JP4922673B2 - Industrial endoscope apparatus and repair treatment tool - Google Patents

Description

  The present invention relates to an industrial endoscope apparatus capable of performing a treatment such as polishing with a rotating treatment member, and a treatment tool for repair.

  2. Description of the Related Art Conventionally, an industrial endoscope is used for inspection of whether or not there is a failure or malfunction by being inserted into an industrial plant or jet engine, for example.

  Such an industrial endoscope, for example, when a damage such as chipping or the like is found in various parts by endoscopic inspection in Patent Document 1, a grindstone can be used without disassembling the plant equipment or disassembling the engine. Disclosed is one that can be disposed at the tip and can rotate the grindstone to polish the parts.

In addition, there are various types of such industrial endoscopes, and there is a type in which a treatment instrument having a grindstone at the tip is inserted into a channel of the endoscope. This repair treatment tool is used, for example, for removing a crack in a turbine blade by rotating a grindstone protruding from a distal end portion of an endoscope.
Japanese Patent Laid-Open No. 9-120032

  However, industrial endoscopes are used for inspecting burrs, etc. that are treated parts in metal products that are out of reach at the time of manufacture, or in metal pipes, and removing these burrs. There is. Such burrs and the like frequently occur after, for example, lathe processing for forming holes and the like.

  The conventional industrial endoscope or the repair treatment tool described above is suitable for partial polishing while looking at the endoscope image, but the burrs around the hole generated by the hole processing as described above, etc. Is difficult to polish, and it is necessary to align the grindstone so as to trace the peripheral portion of the hole, so that there is a problem that the operability is very poor.

  As a result, for the user, the position of the grindstone must be changed many times around the hole depending on the position and state of the generated burr and the like, which is very troublesome and reduces work efficiency. There was a problem.

  Therefore, the present invention has been made in view of the above-described circumstances, and an industrial endoscope apparatus and repair treatment that can easily perform inspection work with polishing or the like regardless of the position, state, and the like of the treatment target portion. The purpose is to provide ingredients.

In order to achieve the above object, the industrial endoscope of one aspect of the present invention is provided with an imaging means at the distal end, an insertion portion in which a treatment instrument insertion channel is disposed, and a state derived from the distal end, A polishing part that polishes an object to be polished by rotating, a rod inserted into a sheath inserted in the treatment instrument insertion channel, the polishing part connected to a distal end part, and a distal end of the polishing part Connected to the distal end portion, the base end is connected to the rod via a slide body, the wire is inserted into the polishing portion, and is disposed at the distal end of the sheath. A rotation holding ring , and a forward / backward rotation driving part that advances and retreats the polishing part through the rod, and a development amount that swells in an outer peripheral direction of the polishing part as the rod advances and retreats. Variable .

The repair treatment tool of one embodiment of the present invention includes a polishing unit that polishes an object to be polished by rotating in a state of being derived from a distal end portion of an industrial endoscope device, and the industrial endoscope. A rod inserted into a treatment instrument insertion channel disposed in the insertion portion of the apparatus, the rod having the polishing portion connected to the tip portion, and the tip being connected to the tip portion of the polishing portion; A base end connected to the rod via a slide body, a wire inserted into the polishing portion, a rotation holding ring disposed at a distal end of the sheath, and the slide body being disposed so as to freely advance and retract;
And the amount of expansion that expands in the outer circumferential direction of the polishing portion is variable with the amount of forward and backward movement of the rod .

  According to the industrial endoscope apparatus and the treatment tool for repair according to the present invention, the inspection work can be performed by easily polishing regardless of the position, state, etc. of the treated portion.

An embodiment of the present invention will be described with reference to FIGS.
1 to 5 relate to an embodiment of the industrial endoscope apparatus of the present invention, FIG. 1 is an overall configuration diagram showing the industrial endoscope apparatus, and FIG. 2 is inside the advance / retreat rotation drive section of the operation section. FIG. 3 is a diagram for explaining the operation of the repair treatment tool in a state of protruding from the distal end portion of the industrial endoscope apparatus, and FIG. 4 is a first modified example. FIG. 5 is a diagram showing a repair treatment tool in a state in which the distal end portion of the sheath 17 is curved and protruding from the distal end portion of the industrial endoscope apparatus, and FIG. 5 is a polishing that is a second modification example. It is a figure which shows the treatment tool for repair of the state which demonstrates the treatment tool for repair provided with the wire, and protruded from the front-end | tip part of the industrial endoscope apparatus.

  As shown in FIG. 1, an industrial endoscope apparatus (hereinafter simply referred to as an endoscope) 1 according to this embodiment includes an insertion portion 3 including a distal end portion 2a, a curved portion 2b, and a flexible tube portion 2c. And an operation unit 4 and a main body device 5.

  In the present embodiment, the insertion portion 3 is provided with a bending portion 2b for changing the observation direction and the insertion direction. A proximal end portion of the flexible tube portion 2 c of the insertion portion 3 is connected to the operation portion 4.

  The insertion portion 3 has a tip observation portion (hereinafter simply referred to as a tip portion) 2a at the tip. The distal end portion 2a is provided with an observation window and an illumination window, and an observation unit (not shown) including an imaging means such as a CCD and a CMOS and various optical members is disposed.

  The insertion portion 3 communicates with an advance / retreat rotation drive portion 10 of the operation portion 4 described later, and a treatment instrument insertion channel opened at the distal end portion 2a is inserted therethrough.

  In the present embodiment, a so-called direct-view endoscope 1 in which the observation unit faces the direction along the insertion direction is illustrated. In the following description, the endoscope 1 according to the present embodiment is not limited to the direct-view type, and of course, the so-called side-view type endoscope in which the observation unit faces the direction substantially orthogonal to the insertion direction. And the so-called perspective endoscope in which the observation unit faces the direction inclined in the insertion direction.

  The operation unit 4 includes a handle unit 8 for a user to hold and a forward / backward rotation driving unit 10 in which a motor is built. On the upper surface of the handle portion 8, a bending operation lever 8a for instructing the bending direction of the bending portion of the insertion portion 3 and switches 8b for operating the forward / backward rotation driving portion 10 are disposed. Yes. The operation unit 4 is electrically connected to the main unit 5 by a universal cord 12 that is a control cable.

  The main unit 5 includes a control box 13 to which the universal cord 12 is connected, and a monitor unit 14 that also serves as a lid that can be opened and closed to the control box 13. In the main body device 5, a light source of white light irradiated from the illumination window of the observation unit of the insertion unit 3 and a control circuit for performing various controls are incorporated. The main body device 5 does not have a light source, and illumination means such as an LED may be provided in the observation unit.

The control box 13 has various input sections 15 such as a power switch and a keyboard on the top surface in the vertical direction.
The monitor unit 14 has a display screen 14a such as an LCD (Liquid Crystal Display). The display screen 14a may be a so-called multi-display screen that can display a plurality of images simultaneously.

  The long repair treatment tool 6 (see FIG. 2) provided with the polishing brush 16 as the polishing portion shown in FIG. 1 is inserted into the treatment tool insertion channel 3a of the insertion portion 3 described above. The repair treatment tool 6 includes, in order from the tip, a polishing brush 16 for polishing, a spring 27 having a curved hook continuously connected to the polishing brush 16, and a tip connected to the spring 27. A flexible rod 17a and a tubular sheath 17 having a predetermined flexibility, which is covered with the rod 17a so as to be rotatable around the axis.

As shown in FIG. 3, the proximal end of the repair treatment tool 6 is connected to a treatment tool advance / retreat rotation mechanism unit 7 built in the advance / retreat rotation drive unit 10 of the operation unit 4.
The treatment tool advancing / retracting rotation mechanism unit 7 includes a base 18 connected to the base end of the sheath 17 of the repair treatment tool 6, a slide part 19 having a distal end fixed to the base 18, and the slide part 19. The pedestal 21 is connected and a rotation side motor 23 is disposed, and an advancing / retreating motor 24 having a motor shaft 25 on which a helical gear 26 is disposed.

  The slide portion 19 has a substantially semicircular shape in which a half along the axial direction of the cylindrical body is cut out, and a fixing portion for connecting the base end portion to the upper surface portion of the base 21 by a fixing member such as a screw. 20. That is, the rotation side motor 23 is provided between the slide portion 19 and the pedestal 21 in a state of being fixed to the pedestal 21. A rod 17 a is connected to the rotation side motor 23.

  The pedestal 21 has the above-described rotation-side motor 23 disposed on the top surface of the tip, and holding portions 21 a and 21 b that rotate and hold the motor shaft 25 so as to be separated from the bottom surface by a predetermined distance. A gear 26 disposed on the motor shaft 25 is disposed between the holding portions 21a and 21b.

  A helical rack gear 22 is engraved on the lower surface portion of the pedestal between the holding portions 21a and 21b. The rack gear 22 is in mesh with the gear 26.

  That is, the treatment instrument advance / retreat rotation mechanism unit 7 rotates the rod 17 a by the rotation side motor 23, and the rotation of the advancement / retraction side motor causes the pedestal 21 to advance and retreat together with the rotation side motor 23 by the action of the rack gear 22 and the gear 26. . Therefore, the rod 17a of the repair treatment tool 6 connected to the rotation-side motor 23 rotates the polishing brush 16 in the direction around the major axis through the spring 27 by rotation, and in conjunction with the advancement and retraction of the rotation-side motor 23, The polishing brush 16 is advanced and retracted in the major axis direction with respect to the sheath 17.

  The endoscope 1 of the present embodiment configured as described above allows the polishing brush 16 of the repair treatment tool 6 to advance and retreat or rotate by the user operating the switches 8b of the operation unit 4. Can do. Accordingly, the user can perform polishing by bringing the polishing brush 16 of the repair treatment tool 6 into contact with a desired polishing position on the object to be treated. The polishing brush 16 according to the present embodiment is rotated so that the tip or the side peripheral surface abuts on the object to be treated for polishing.

  Further, since the spring 27 connected to the base end of the polishing brush 16 is curved so as to have a predetermined angle with respect to the advancing / retreating direction, the repairing treatment tool 6 has the polishing brush 16 itself of the endoscope 1. It rotates with the radius corresponding to the amount of protrusion from the tip 2a being deployed around the long axis of the rod 17a. Therefore, the repair treatment tool 6 can polish the wide area along the circle drawn by the polishing brush 16.

  When the user wants to rotate the polishing brush 16 about the long axis, the polishing brush 16 is developed around the long axis of the rod 17a by abutting the side peripheral portion of the polishing brush 16 against the object to be treated. It can suppress rotating in the state which carried out.

  Further, the user houses the spring 27 of the repair treatment tool 6 in the treatment tool insertion channel 3a of the endoscope 1 (only the polishing brush 16 protrudes from the distal end surface of the distal end portion 2a of the endoscope 1). ), The polishing brush 16 can be rotated in a state along the long axis of the insertion portion 3 of the endoscope 1. At this time, when the polishing brush 16 rotates around the major axis, the polishing brush 16 expands in the outer peripheral direction by centrifugal force, and the polishing range is narrowed, but a polishing treatment can also be performed in a point.

  The endoscope 1 including the treatment tool for repair 6 according to the present embodiment configured as described above can polish the object to be treated in a wide range by rotating the polishing brush 16 forward and backward. Thereby, the user can easily change the position of the polishing brush 16 by the switches 8b of the operation unit 4 depending on the position, state, etc. of the object to be treated. Can be done.

  As shown in FIG. 4, the repair treatment tool 6 a does not have the spring 27 and may be in a curved state so that the distal end portion of the sheath 17 has a predetermined angle with respect to the advance / retreat direction. Further, in the endoscope 1 having such a repair treatment tool 6a, the sheath 17 is advanced and retracted with respect to the treatment instrument insertion channel 3a by the treatment instrument advance / retreat rotation mechanism section 7 incorporated in the advance / retreat rotation drive section 10. It is good also as a structure made to do.

  By setting it as the structure of the treatment tool 6a for such repair, the endoscope 1 can also perform the grinding | polishing operation | work of the direction orthogonal to a visual field direction easily.

  Furthermore, as shown in FIG. 5, the repair treatment tool 6 b may be a polishing wire 16 b in which a weight 16 a is disposed at the tip instead of the polishing brush 16. Specifically, in the repair treatment tool 6b, a base 17b is provided at the tip of the rod 17a, and a plurality of, here, three polishing wires 16b are extended from the center of the tip surface of the base 17b.

  A weight 16a for deploying each polishing wire 16b in the rotation outer peripheral direction by a centrifugal force due to rotation is disposed at the tip of these polishing wires 16b. By adopting such a configuration of the repair treatment tool 6b, the weight 16a of the polishing wire 16b is pulled by the centrifugal force in the rotating outer circumferential direction, so that the endoscope 1 can perform a wide range of polishing through which each polishing wire 16b passes. It can be carried out.

  Further, the sheath 17 of the repair treatment tool 6b has a crank shape at the distal end portion in FIG. With such a configuration, the angle with respect to the visual field direction of the range drawn by each polishing wire 16b can be varied depending on the amount of the sheath 17 derived from the distal end portion 2a of the endoscope 1.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS.
FIGS. 6 to 9 relate to a second embodiment of the repair treatment tool provided in the industrial endoscope apparatus of the present invention, FIG. 6 is a configuration diagram showing a distal end portion of the repair treatment tool, and FIG. FIG. 8 is a diagram for explaining the operation of the repair treatment tool slightly led out from the distal end portion of the industrial endoscope apparatus, and FIG. 8 is further from the distal end portion of the industrial endoscope apparatus as shown in FIG. FIG. 9 is a diagram for explaining the operation of the repaired treatment tool in the derived state, and FIG. 9 is a diagram for explaining the operation of the repair treatment tool in a state further derived from the distal end portion of the industrial endoscope apparatus than the state shown in FIG. It is a figure for doing.

  In the following description, the repair instrument provided in the industrial endoscope apparatus of the present embodiment uses the same reference numerals for the same configuration as that of the first embodiment described above. Description, action, and effects are omitted, and only different parts are described.

  As shown in FIG. 6, in the repair treatment tool 30 of the present embodiment, the polishing brush 16, which is a polishing portion at the tip portion, is connected to the rod 17 a by the base 28, and is connected to the tip of the sheath 17. A brush accommodating portion 29 is provided.

  The brush accommodating portion 29 is a hard metal cylinder, and is fixed so that the proximal end is closed at the distal end of the sheath 17. In this brush accommodating portion 29, the treatment tool advancing / retracting rotation mechanism portion 7 built in the advancing / retracting rotation driving portion 10 is interlocked with the advance / retreat by the rod 17a by the operation of the switches 8b of the operation portion 4, and the polishing brush 16 is accommodated. Or derived.

  For example, as shown in FIG. 7, the endoscope 1 according to the present embodiment is in a state where the polishing brush 16 is slightly led out from the brush housing portion 29, that is, led out from the distal end portion 2 a of the endoscope 1. When the state is rotated for the polishing treatment, the amount of development of the polishing brush 16 around the rotation axis can be reduced.

  Further, for example, as shown in FIG. 8, the endoscope 1 is rotated for the polishing treatment in a state in which the polishing brush 16 is further led out from the distal end portion 2 a of the endoscope 1 than in the state of FIG. 7. As a result, the amount of expansion of the polishing brush 16 around the rotation axis also increases.

  Furthermore, for example, as shown in FIG. 9, when the endoscope 1 is rotated for the polishing treatment in a state where the entire polishing brush 16 is led out from the distal end portion 2 a of the endoscope 1, The amount of expansion around the rotation axis can be maximized.

  Note that the user performs a desired amount of derivation and rotation of the polishing brush 16 while adjusting the operation with the switches 8b of the operation unit 4.

  As described above, the endoscope 1 provided with the repair treatment tool 30 of the present embodiment has the same effects as those of the first embodiment, and further, from the brush accommodating portion 29, that is, the distal end portion 2a. Various polishing ranges can be adjusted according to the derived amount of the polishing brush 16.

(Third embodiment)
Next, a third embodiment of the present invention will be described with reference to FIGS.
10 to 13 relate to a third embodiment of the repair treatment tool provided in the industrial endoscope apparatus of the present invention, and FIG. 10 shows a repair treatment tool used in the direct-view industrial endoscope apparatus. FIG. 11 is a diagram showing an example of the state of a repair treatment tool used in a perspective industrial endoscope apparatus, and FIG. 12 is a repair used in a side view industrial endoscope apparatus. The figure which shows an example of the state of the treatment tool, FIG. 13 is a figure which shows a modification, and shows the state which the treatment tool for repair provided with the double sheath was derived | led-out from the front-end | tip part of the industrial endoscope apparatus.

  In the following description, the industrial endoscope apparatus and the repair treatment tool of the present embodiment also use the same reference numerals for the same configurations as those of the first embodiment described above. Description, action, and effects are omitted, and only different parts are described.

  As shown in FIGS. 10 to 13, the repair treatment tool 31 of the present embodiment can be adjusted so that the treatment position falls within the visual field range of various endoscopes 1 to 1 b having different visual field directions.

  Specifically, the distal end portion of the sheath 17 of the repair treatment tool 31 has a curved shape so as to draw a substantially semicircular arc so as to have a predetermined angle with respect to the advance / retreat direction. Further, in the repair treatment tool 31 of the present embodiment, instead of the polishing brush 16 in the first embodiment, a substantially cylindrical grindstone 32 as a polishing portion is disposed at the tip of the rod 17a. .

  For example, as shown in FIG. 10, when the repair treatment tool 31 configured in this way is used in a direct-view type endoscope 1, the distal end portion including the grindstone 32 is the distal end portion 2 a of the endoscope 1. If it is in a state of being slightly led out from, it becomes a substantially straight state toward the visual field direction of the endoscope 1, and the grindstone 32 is positioned within the visual field range of the endoscope 1. Therefore, the user can perform polishing with the grindstone 32 of the repair treatment tool 31 within the visual field range of the endoscope 1.

  Further, in the repair treatment tool 31, the position of the grindstone 32 changes in accordance with the curved shape of the sheath 17 as the amount of leading end including the grindstone 32 from the distal end 2 a of the endoscope 1 increases. . As an example, when the user uses a perspective endoscope 1a as shown in FIG. 11, until the position of the grindstone 32 of the repair treatment tool 31 falls within the visual field range, the user does not have the state shown in FIG. The amount of the leading end portion including the grindstone 32 is adjusted to be large.

  As another example, as shown in FIG. 12, when the user uses the side-view type endoscope 1 b, until the position of the grindstone 32 of the repair treatment tool 31 falls within the visual field range, FIG. The lead-out amount of the tip portion including the grindstone 32 is adjusted more than the state.

  Adjustment of the amount of the treatment tool 31 for repairing from the distal end portion 2a of the endoscopes 1 to 1b is performed by driving the sheath 17 forward and backward by the switches 8b of the operation unit 4 described in the first embodiment. The treatment instrument advancing / retreating rotation mechanism section 7 built in the section 10 can be configured to advance and retract with respect to the treatment instrument insertion channel 3a. Further, the grindstone 32 can polish the polishing treatment portion by transmitting the rotation of the rod 17a.

  With the repair treatment tool 31 of the present embodiment configured as described above, the user moves and adjusts the grindstone 32 to the visual field range of the various endoscopes 1 to 1b in direct view, perspective view, and side view. The polishing state of the object to be polished can be confirmed on the display screen 14 a of the monitor unit 14.

  As shown in FIG. 13, the repair treatment tool 31 a is a double sheath in which a sheath 17 whose distal end portion is curved is loosely covered with an outer sheath 33 whose distal end portion is curved in a direction different from the bending direction of the sheath 17. It is good also as a structure.

  In this way, the repair treatment tool 31a having the double sheath structure is rotated by the user around the hole axis of the outer sheath 33 inserted into the outer sheath 33, so that each sheath 17, The grindstone 32 can be changed to various positions according to the respective bending directions of 33.

(Fourth embodiment)
Next, a fourth embodiment of the present invention will be described with reference to FIGS.
14 to 20 relate to a fourth embodiment of the repair treatment tool provided in the industrial endoscope apparatus of the present invention, and FIG. 14 is a diagram showing the configuration of the distal end portion of the repair treatment tool, FIG. FIG. 16 is a cross-sectional view taken along the line XVI-XVI of FIG. 15, and FIG. 17 is a cross-sectional view for explaining the action of the repair treatment tool of FIG. 18 is a diagram showing a modification, FIG. 18 is a diagram showing the configuration of the distal end portion of the repair treatment tool, FIG. 19 is a sectional view for explaining the operation of the repair treatment tool in FIG. 18, and FIG. It is an external view for demonstrating an effect | action of the treatment tool for 18 repairs.

  In the following description, the repair treatment tool of the present embodiment also uses the same reference numerals for the same configuration as that of the first embodiment described above, and the description, operation, and effect thereof are omitted. Only the different parts are described.

  As shown in FIGS. 14 and 15, the repair treatment tool 60 of the present embodiment is a mesh-like polishing mesh 34 in which the polishing portion at the tip portion is knitted into a cylindrical shape by a plurality of strands. Yes. The polishing mesh 34 is fixed to the fixed caps 35a and 35b each having an annular shape at both ends.

  The distal end side fixed base 35 a has the distal end portion of the wire 36 inserted and fixed at the center thereof. The wire 36 is inserted through the polishing mesh 34, the base-side fixed cap 35 b, and the rotation holding ring 37 disposed at the distal end of the sheath 17. A proximal end of the wire 36 is connected to a slide body 38 disposed in the rotation holding ring 37.

  The slide body 38 is connected to the tip end of a rod 17 a that is inserted into the sheath 17. The slide body 38 is slidable within the rotation holding ring 37, and as shown in FIG. 16, the outer peripheral portion having a circular cross section is cut out in a plane shape symmetrical with respect to the center point. Further, the rotation holding ring 37 is a plane along the long axis so as to come into surface contact with each plane of the outer peripheral portion where the slide body 38 is cut out to the inner peripheral surface formed by the hole portion through which the slide body 38 slides. have.

  In the repair treatment tool 60 of the present embodiment configured as described above, as the rod 17a is advanced and retracted, the slide body 38 and the wire 36 are advanced and retracted as shown in FIG. 35a moves back and forth. Therefore, the polishing mesh 34 is in a cylindrical state shown in FIG. 14 or a state where the polishing mesh 34 swells and expands in the outer peripheral direction as shown in FIG. 17 when the rod 17a is pulled to the proximal end side.

  Further, when the rod 17a rotates, the slide body 38 interlocks and the rotation holding ring 37 also rotates. The rotation holding ring 37 is configured to be rotatable with respect to the sheath 17. Therefore, the polishing mesh 34 rotates in conjunction with the base-side base 35b and the rotation holding ring 37 fitted together. Such forward / backward and rotational operations of the rod 17a are performed by the switches 8b of the operation unit 4 as in the respective embodiments.

  As described above, the repair treatment tool 60 of the present embodiment can vary the amount by which the polishing mesh 34 expands and expands in the outer circumferential direction with the advance / retreat movement amount of the rod 17a. Therefore, the user can perform the polishing treatment while adjusting the development amount of the polishing mesh 34 within the polishing range according to the state of the object to be processed.

As shown in FIGS. 18 and 19, the repair treatment tool 61 may be a polishing wire portion 39 made of a polishing wire made of a plurality of strands in which polishing portions are arranged in parallel in a circular shape.
Specifically, in the polishing wire portion 39, both ends of the plurality of polishing wires are fixed in parallel along the outer periphery of the fixed caps 40a and 40b. Even with such a configuration, the amount by which the polishing wire portion 39 expands and expands in the outer peripheral direction can be varied in conjunction with the advancement and retraction of the rod 17a.

  Therefore, as shown in FIG. 20, the user can perform the polishing treatment in the polishing range according to the state of the object to be treated by rotating the polishing wire portion 39 in a state where the polishing wire portion 39 is inflated with a desired development amount. .

  As described above, in each of the repair treatment tools 60 and 61 according to the present embodiment, as with the effects of the above-described embodiments, the amount of development in the outer circumferential direction of the polishing mesh 34 or the polishing wire portion 39 is as follows. Various polishing ranges can be adjusted.

(Fifth embodiment)
Next, a fifth embodiment of the present invention will be described with reference to FIGS.
FIGS. 21 to 23 relate to a fifth embodiment of the repair treatment tool provided in the industrial endoscope apparatus of the present invention, and FIG. 21 is a diagram showing the configuration of the distal end portion of the repair treatment tool. FIG. 23 is a diagram showing the configuration of the distal end portion of the repair treatment tool of the first modification, and FIG. 23 is a diagram showing the configuration of the distal end portion of the repair treatment tool of the second modification.

  In the following description, the repair treatment tool of the present embodiment also uses the same reference numerals for the same configuration as that of the first embodiment described above, and the description, operation, and effect thereof are omitted. Only the different parts are described.

  As shown in FIGS. 21 to 23, in the present embodiment, a configuration using a simple sandpaper or the like for the polishing portion in the repair treatment tool 6 of the first embodiment will be described.

  First, as an example, in FIG. 21, a cylindrical holding cylinder 41 and a sand paper 42 sandwiched and fixed between the holding cylinders 41 are configured to be detachable from the distal end portion of the rod 17 a. Specifically, the holding cylinder 41 has a hole diameter slightly smaller than the outer diameter of the rod 17a so that the holding cylinder 41 can be detachably attached to the rod 17a. In the holding cylinder 41, two slits 41a are formed on one end side in parallel to the middle portion along the long axis.

  The sand paper 42 is sandwiched with one side portion folded into each slit 41 a of the holding cylinder 41. Therefore, the sand paper 42 can be easily replaced when the polished surface deteriorates.

  As another example, in FIG. 22, a cylindrical holding cylinder 43 in which a slit 43 a is formed along the long axis is used, and one side portion of the sand paper 42 that is passed through the slit 43 a is an inner peripheral surface of the holding cylinder 43. In this state, it is configured to be extrapolated and fixed to the tip portion of the rod 17a. That is, the sandpaper 42 is sandwiched between the holding cylinder 43 and the rod 17a.

  Furthermore, as another example, in FIG. 23, a plate spring 44 having a cross-section in the shape of a letter is fixed to the tip portion of the rod 17a, and sandpaper 42 is adhered to the outer surface of the plate spring 44. Yes. The leaf spring 44 has an inner side end fixed to the rod 17a.

  Even with the configuration as described above, the same effect as in the first embodiment can be obtained, and the object to be treated can be polished over a wide range by spreading the sand paper 42 to the outer peripheral side in the rotation direction.

(Sixth embodiment)
Next, a sixth embodiment of the present invention will be described with reference to FIG.
FIG. 24 is a configuration diagram illustrating a repair treatment tool including a belt-shaped polishing unit according to a sixth embodiment of the repair tool provided in the industrial endoscope apparatus of the present invention.

  As shown in FIG. 24, the repair treatment tool 62 of the present embodiment has a motor portion 46 in which a motor 47 is built in, and one end portion is connected to the motor portion 46 by a connection base 54 and superimposed. There are two rectangular sheaths 50 and 51, and a polishing belt 52 that is a polishing portion that is led out from the other ends of the sheaths 50 and 51 and is inserted into the sheaths 50 and 51.

  The motor 47 in the motor unit 46 includes a motor pulley 48 that is hung on the motor shaft 49 in a state where one surface of the polishing belt 52 is looped. The motor 47 rotates the motor pulley 48 to send or draw the polishing belt 52 to and from the sheaths 50 and 51.

  The polishing belt 52 is made of an elastic member whose surface is roughened or a synthetic resin, and has a ring shape with both ends connected. Further, the polishing belt 52 which is led out from one end of each of the sheaths 50 and 51 and is exposed is in a state in which the inner surface side is held in a loop shape by the roller 53 and the tip is rounded out to the outside of the roller.

  In the repair treatment tool 62 configured as described above, the polishing belt 52 is sent to the sheaths 50 and 51 by the motor 47, and the object to be treated is polished on the surface of the exposed portion of the polishing belt 52. it can. The repair treatment tool 62 is disposed in a state where the exposed portion of the polishing belt 52 is inserted into the treatment tool insertion channel 3a so as to be able to advance and retract so that the exposed portion of the polishing belt 52 is led out from the distal end portion 2a of the endoscope 1. The driving may be performed on the switches 8b of the operation unit 4. Further, the repairing treatment tool 62 itself may be made independent and can be freely inserted into and removed from the treatment tool insertion channel 3a of the endoscope 1, and the motor unit 46 may be driven using an external power source such as a battery.

(Seventh embodiment)
Next, a seventh embodiment of the present invention will be described with reference to FIGS. 25 and 26. FIG.
FIGS. 25 and 26 relate to the seventh embodiment of the repair treatment tool of the present invention, FIG. 25 is a configuration diagram for explaining a repair treatment tool including an air cylinder, and FIG. 26 is a diagram of FIG. 27 is a sectional view showing the configuration of the repair treatment tool, FIG. 27 is a view showing the distal end portion of the repair treatment tool showing the first modification, and FIG. 28 is an exploded perspective view showing the distal end portion of the repair treatment tool in FIG. 29 is a view showing the distal end portion of the repair treatment tool according to the second modification, FIG. 30 is a view for explaining the distal end portion of the repair treatment tool in FIG. 29, and FIG. 31 is a repair showing the third modification. The figure which shows the front-end | tip part of the treatment tool for treatment, FIG. 32 is a figure for demonstrating an effect | action of the treatment tool for repair of FIG.

  In the description of the present embodiment, the same reference numerals are used for the same configurations as those of the above-described embodiments, and the description, operation, and effect are omitted, and only different portions are described.

  As shown in FIGS. 25 and 26, the repair treatment tool 63 according to the present embodiment includes an air cylinder 55 that is an air supply unit including a regulator 56 coupled to the motor unit 64. The air cylinder 55 is connected to an air tube 57 in which the regulator 56 is disposed up to the motor portion 64.

  One end of the air tube 57 is connected to the regulator 56 by a base 56 a, and the other end is connected to a connection cylinder 58 disposed in the motor unit 64 via a base 57 a. An O-ring 58 a is disposed on the inner peripheral portion of the connection cylinder 58.

  A hole 64a is formed in the distal end surface of the motor portion 64, and a proximal end portion of the tube rod 66 having a predetermined flexibility is detachable / insertable. The tube rod 66 is fixedly provided with a gear 67 fitted on the outer peripheral portion on the base end side.

  The gear 67 meshes with the gear 65 of the motor 59 disposed in the motor unit 64. Therefore, the tube rod 66 rotates around the major axis by the action of the gears 65 and 67 by the drive of the motor 59.

  A grindstone 68 serving as a polishing portion having a porosity as a discharge port is fixed to the tip of the tube rod 66. Further, the tube rod 66 is inserted into the connecting cylinder 58 in the motor unit 64 at the base end portion, and is rotated and held by the connecting cylinder 58. In this connected state, the inside of the connecting cylinder 58 and the tube rod 66 is hermetically maintained by the O-ring of the connecting cylinder 58.

  The repair treatment tool 63 of the present embodiment configured as described above is configured such that the grind of the object to be treated, which has been subjected to the polishing process, can be blown off by the air cylinder with the grindstone 68. Specifically, the air from the air cylinder 55 is supplied into the tube rod 66 through the regulator 56, the air tube 57, and the connecting cylinder 58, and is discharged from the grindstone 68 provided with a hole.

  Therefore, the object to be treated is scraped off by the grindstone 68 to which the rotation is transmitted by driving the motor 59, and the shavings generated at this time are blown away by the air discharged from the grindstone 68. As a result, since the shavings do not accumulate in the processed peripheral portion, the user can easily find the object to be treated such as the polished state of the processed portion and other burrs generated in the endoscope 1. It can be visually recognized by an endoscopic image.

  The repair treatment tool 63 is used with the grindstone 68 and the tube rod 66 inserted into the treatment tool insertion channel 3a of the endoscope 1 as in the embodiments. Further, the repair treatment tool 63 is disposed in a state where the grindstone 68 is inserted into the treatment tool insertion channel 3a so as to advance and retreat so that the grindstone 68 is led out from the distal end portion 2a of the endoscope 1, and the motor portion 64 and the air cylinder 55 are disposed. May be driven by the switches 8b of the operation unit 4.

  In addition, the repair treatment tool 63 itself is made independent and can be inserted into and removed from the treatment tool insertion channel 3a of the endoscope 1, and the motor unit 64 and the air cylinder are driven by using an external power source such as a battery to drive the motor unit 64. It is good also as a structure which performs ON / OFF of the on-off valve of 55 with another switch. Further, the air cylinder 55 may be changed to a compressor.

  As shown in FIGS. 27 and 28, the repair treatment tool 63 is a hard cylinder that changes the direction of the curved grindstone 68 to approximately 90 degrees here by a connection base 69 at the tip of the tube rod 66. The curved pipe rod 70 made of a body may be configured to be detachably connected.

  Thereby, since the grindstone 68 moves circularly when the tube rod 66 rotates around the major axis, a wide range of polishing operations can be performed. Further, the user can set various polishing ranges by changing the bending state or length of the bending pipe rod 70.

  As shown in FIGS. 29 and 30, the repair treatment tool 63 is replaced with a grindstone 68, and a polishing brush 72 made of a plurality of wires is connected to a connection base 74 at the tip of a rod 66 and a plurality of discharge ports. And a pipe rod 73 closed at the tip thereof. In FIG. 29, a sheath 71 for housing the polishing brush 72 is shown, and the sheath 71 covers the tube rod 66 up to the motor portion 64.

  Even in such a configuration, since the air in the tube rod 66 is discharged from the plurality of holes 73a, the object to be treated is scraped off by the polishing brush 72, and the shavings generated at this time are discharged from the holes 73a. Blowed away by air.

  Furthermore, the repair treatment tool 63 includes an outer cylindrical balloon 75 via a cone-shaped connecting body 76 at the tip of the tube rod 66 using air from the air cylinder 55, as shown in FIG. A plate spring 77 wound around the outer periphery of the balloon 75 and a rough surface forming an outer peripheral surface of the plate spring 77 as a polishing portion, or a polishing surface 78 to which sandpaper is attached may be provided. .

  As shown in FIG. 32, the repair treatment tool 63 inflates the balloon 75 by the air from the air cylinder 55. At this time, the leaf spring 77 expands in the outer circumferential direction as the balloon 75 expands, and the surface area of the polishing surface 78 increases.

  With such a configuration, the repair treatment tool 63 can not blow off shavings, but can expand the polishing range by the polishing surface 78.

(Eighth embodiment)
Next, an eighth embodiment of the present invention will be described with reference to FIGS.
33 to 35 relate to an eighth embodiment of the repair treatment tool of the present invention, FIG. 33 is an overall configuration diagram of the repair treatment tool, and FIG. 34 is a front end portion of the repair treatment tool of FIG. FIG. 35 is an exploded perspective view showing the configuration, and FIG. 35 is an overall configuration diagram of a repair treatment tool showing a modification.

  In the description of the present embodiment, the same reference numerals are used for the same configurations as those of the above-described embodiments, and the description, operation, and effect are omitted, and only different portions are described.

The repair treatment instrument 79 of the present embodiment is configured such that air similar to that of the seventh embodiment is discharged from the vicinity of the polishing brush 85 that is the tip polishing portion.
As shown in FIG. 33, in the repair treatment instrument 79, the rod 17a has a tube shape, and a plurality of, in this case, two hole portions 80 communicating with the internal holes are formed on one outer peripheral portion thereof. The rod 17a is provided with a tonut disc-shaped sealing material 83 in the middle of the outer peripheral portion on the tip side of the portion where the hole portion 80 is formed to maintain airtightness even when sliding with the sheath 17. A base 84 having an air supply port 84a, which is a discharge port, is connected to the tip.

  The base 84 is provided with a polishing brush 85 serving as a polishing portion to which one end of a plurality of polishing wires is connected around the air supply port 84a.

  The sheath 17 through which the rod 17a is inserted is provided with a donut disk-shaped sealing material 82 that closes the base end face and allows the rod 17a to slide in an airtight manner. The sheath 17 is provided with a connection portion 81 to which an air tube 57 for supplying air from the air cylinder 55 in the seventh embodiment is connected to the outer peripheral portion on the proximal end side. The connection portion 81 communicates with the inside of the sheath 17.

  As shown in FIG. 34, the polishing brush 85 has a base 85 a to which one ends of a plurality of polishing wires are connected, and the base 85 a is fixed to the base 84. Further, a cylindrical body 84b that forms an air supply port 84a is fixed to the base 85a. This cylinder 84b is connected to the tip of the rod 17a.

  In the repair treatment instrument 79 according to the present embodiment, the air fed into the air tube 57 is fed into the sheath 17 via the connection portion 81. The air in the sheath is sent into the rod 17a from each hole 80 of the rod 17a. At this time, the air is reliably sent from the inside of the sheath 17 into the rod 17a by the two sealing materials 82 and 83.

  Then, the air is discharged from the air supply port 84 a at the base of the polishing brush 85. Even in this air supply state, the repairing treatment instrument 79 of the present embodiment moves together with the rod 17a while the sealing material 83 is airtightly held on the inner surface of the sheath 17 even if the rod 17a moves forward and backward. Therefore, air can be reliably discharged from the air supply port 84a.

  As in the seventh embodiment, the repair treatment tool 79 configured in this way scrapes off the object to be treated by the polishing brush 85, and the generated shavings are discharged from the air supply port 84a. It can be blown away by air. Thereby, also in this Embodiment, it can be set as the structure which show | plays the effect similar to 7th Embodiment.

  As shown in FIG. 35, the repair treatment instrument 79a may be configured to discharge the air sent into the sheath 17 simply from the distal end opening serving as the discharge port of the sheath 17.

  The invention described above is not limited to the present embodiment, and various modifications can be made without departing from the scope of the invention at the stage of implementation. Furthermore, the present embodiment includes various stages of the invention, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements.

  For example, even if some constituent elements are deleted from all the constituent elements shown in this embodiment, the problems described in the column of problems to be solved by the invention can be solved, and the effects described in the effect of the invention Can be obtained as an invention.

BRIEF DESCRIPTION OF THE DRAWINGS The whole block diagram which shows the industrial endoscope apparatus which concerns on the 1st Embodiment of this invention. The block diagram which shows the treatment tool advance / retreat rotation mechanism part provided in the advance / retreat rotation drive part of an operation part similarly. The figure for demonstrating an effect | action of the treatment tool for repair of the state which protruded from the front-end | tip part of the industrial endoscope apparatus. The figure which shows the treatment tool for repair of the state which demonstrated the treatment tool for the curvature which the front-end | tip part of the sheath 17 used as the 1st modification curved, and protruded from the front-end | tip part of an industrial endoscope apparatus. The figure which shows the treatment tool for repair of the state which protruded from the front-end | tip part of the industrial endoscope apparatus, explaining the treatment tool for repair provided with the polishing wire used as the 2nd modification. The block diagram which shows the front-end | tip part of the treatment tool for repair which concerns on the 2nd Embodiment of this invention. The figure for demonstrating an effect | action of the treatment tool for repair of the state slightly derived | led-out from the front-end | tip part of the industrial endoscope apparatus. The figure for demonstrating an effect | action of the treatment tool for repair of the state further derived | led-out from the front-end | tip part of the industrial endoscope apparatus from the state shown in FIG. The figure for demonstrating an effect | action of the treatment tool for repair of the state further derived | led-out from the front-end | tip part of the industrial endoscope apparatus from the state shown in FIG. The figure which shows an example of the state of the treatment tool for repair used for the direct-view type industrial endoscope apparatus which concerns on the 3rd Embodiment of this invention. The figure which shows an example of the state of the treatment tool for repair used for the perspective type industrial endoscope apparatus. The figure which shows an example of the state of the treatment tool for repair used for the side view type | mold industrial endoscope apparatus. The figure which shows the state which the modification treatment tool provided with the double sheath was derived | led-out from the front-end | tip part of the industrial endoscope apparatus similarly to the same. The figure which shows the structure of the front-end | tip part of the treatment tool for repair which concerns on the 4th Embodiment of this invention. Sectional drawing for demonstrating an effect | action of the treatment tool for repair of FIG. Sectional drawing along the XVI-XVI line of FIG. The external view for demonstrating an effect | action of the treatment tool for repair of FIG. The figure which shows a modification and shows the structure of the front-end | tip part of the treatment tool for repair. Sectional drawing for demonstrating an effect | action of the treatment tool for repair of FIG. The external view for demonstrating an effect | action of the treatment tool for repair of FIG. The figure which shows the structure of the front-end | tip part of the treatment tool for repair which concerns on the 5th Embodiment of this invention. The figure which shows the structure of the front-end | tip part of the treatment tool for repair of a 1st modification similarly. The figure which shows the structure of the front-end | tip part of the treatment tool for repair of a 2nd modification. The block diagram which shows the treatment tool for repair provided with the belt-shaped grinding | polishing part which concerns on the 6th Embodiment of this invention. The block diagram for demonstrating the industrial endoscope apparatus provided with the air cylinder which concerns on the 7th Embodiment of this invention. Sectional drawing which shows the structure of the industrial endoscope apparatus of FIG. The figure which shows the front-end | tip part of the treatment tool for repair which shows a 1st modification similarly. The exploded perspective view which shows the front-end | tip part of the treatment tool for repair of FIG. The figure which shows the front-end | tip part of the treatment tool for repair which shows a 2nd modification as well. The figure for demonstrating the front-end | tip part of the treatment tool for repair of FIG. The figure which shows the front-end | tip part of the treatment tool for repair which shows a 3rd modification as well. The figure for demonstrating an effect | action of the treatment tool for repair of FIG. The whole block diagram of the treatment tool for repair which concerns on the 8th Embodiment of this invention. The disassembled perspective view which shows the structure of the front-end | tip part of the treatment tool for repair of FIG. It is the whole block diagram of the treatment tool for repair which shows a modification.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1-1c ... Industrial endoscope apparatus 2a ... Tip part 2b ... Bending part 2c ... Flexible tube part 3a ... Treatment instrument insertion channel 3 ... Insertion part 4 ... Operation unit 5... Main body device 6, 6 a, 6 b, 30, 31, 31 a, 60 to 63, 79, 79 a. 8a ... bending lever 8b ... switches 10 ... forward / backward rotation drive unit 16 ... polishing brush 16b ... polishing wire 17 ... sheath 17a ... rod 32 ... grindstone 34 ..Polishing mesh 39 ... polishing wire part 42 ... sand paper 52 ... polishing belt 55 ... air cylinder 68 ... grinding stone 72 ... polishing brush 78 ... polishing surface

Claims (10)

An insertion portion provided with an imaging means at the distal end portion and provided with a treatment instrument insertion channel;
In a state derived from the tip part, a polishing part that polishes the object to be polished by rotating, and
A rod inserted through a sheath inserted into the treatment instrument insertion channel, and the polishing portion connected to the distal end portion; and
A distal end is connected to the distal end portion of the polishing portion, a proximal end is connected to the rod and the slide body, and a wire is inserted through the polishing portion;
A rotation holding ring disposed at a distal end of the sheath, and wherein the slide body is disposed so as to freely advance and retract;
Advancing / retreating and rotating drive unit that advances and retracts and rotates the polishing unit via the rod;
Equipped with,
An industrial endoscope apparatus characterized in that the amount of expansion that expands in the outer peripheral direction of the polishing portion is varied in accordance with the amount of forward and backward movement of the rod . Furthermore, an air supply unit that supplies air into the rod or the sheath;
A discharge port disposed in the vicinity of the polishing unit and from which the air is discharged;
The industrial endoscope apparatus according to claim 1, further comprising:   The industrial endoscope apparatus according to claim 1, wherein the polishing unit includes a plurality of strands, and the polishing range can be changed by the advance and retreat of the rod.   The industrial endoscope apparatus according to claim 3, wherein the plurality of strands are mesh bodies knitted in a cylindrical shape.   The industrial endoscope apparatus according to claim 3, wherein the plurality of strands are arranged so as to be parallel to the advancing / retreating direction and to draw a circumference. In a state derived from the distal end portion of the industrial endoscope apparatus, a polishing unit that polishes an object to be polished by rotating,
A rod inserted through a sheath inserted in a treatment instrument insertion channel disposed in an insertion portion of the industrial endoscope apparatus, and a rod in which the polishing portion is connected to a distal end portion;
A distal end is connected to the distal end portion of the polishing portion, a proximal end is connected to the rod and the slide body, and a wire is inserted through the polishing portion;
A rotation holding ring disposed at a distal end of the sheath, and wherein the slide body is disposed so as to freely advance and retract;
Equipped with,
A repairing treatment instrument characterized by varying the amount of expansion that expands in the outer peripheral direction of the polishing portion in accordance with the amount of forward and backward movement of the rod . Furthermore, an air supply unit that supplies air into the rod or the sheath;
A discharge port disposed in the vicinity of the polishing unit and from which the air is discharged;
The repair treatment tool according to claim 6 , further comprising: The polishing unit includes a plurality of strands, the advancing and retracting of the rod, repair treatment instrument according to claim 6 or claim 7, characterized in that the grinding range is variable freely. The repair treatment tool according to claim 8 , wherein the plurality of strands are mesh bodies knitted into a cylindrical shape. 9. The repair treatment tool according to claim 8 , wherein the plurality of strands are arranged to be parallel to the advance / retreat direction and to draw a circumference.

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