JP3586328B2 - Endoscope cleaning brush - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope cleaning brush for cleaning an inside of a base communicating with a pipe in an endoscope.
[0002]
[Prior art]
Endoscopes need to be cleaned and disinfected each time they are used, but the inside of the suction pipe and the mouthpiece that leads to the suction pipe are contaminated with mucus and dirt sucked from the patient's body cavity. Therefore, it is necessary to first clean it by brushing. Therefore, conventionally, the inside of the base has been brushed manually by using a base cleaning brush in which a brush is attached to the tip of a knob that can be picked with a fingertip.
[0003]
[Problems to be solved by the invention]
However, since the operation of rotating the brush by the manual operation is very troublesome, the brushing may be insufficient, and the brush may be moved to the next washing step without completely removing the mucus and the like.
[0004]
Therefore, an object of the present invention is to provide a base cleaning brush for an endoscope that can easily and sufficiently brush and clean the inside of the base.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a base cleaning brush for an endoscope according to the present invention is provided with a base cleaning brush for cleaning an endoscope provided in communication with a pipe in the endoscope. , A grip portion formed in a size that can be gripped by a human hand or finger and having a built-in electric motor, and brush bristles protruding from one end of the grip portion and radiating from a brush shaft rotated by the motor. And a brush portion projecting therefrom.
[0006]
When the brush shaft is formed of a stranded wire, the brush shaft may be driven to rotate in the twisting direction by the motor. Further, it is preferable that the brush portion is detachable from the grip portion, and that the brush shaft is detachable from the rotating shaft of the motor at both ends thereof.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings.
FIG. 2 schematically shows the endoscope 10 and the cleaning brush 1, wherein one end of the endoscope 10 is connected to an external suction device (not shown) and the other end is an insertion portion of the endoscope. A suction conduit 12 opening at the tip of 11 is provided.
[0008]
The operation section 13 of the endoscope has a suction operation valve 14 for performing a suction operation and a treatment tool inserted into the suction pipe 12 in the insertion section 1 which is also used as a treatment tool insertion channel. The treatment instrument insertion port 15 is connected to the suction pipe 12 in the middle thereof.
[0009]
However, FIG. 2 shows a state after the operation button, the switching valve, and the like have been removed from the suction operation valve 14 and the forceps plug has been removed from the treatment instrument insertion port portion 15. Only the non-removable ferrules 14a and 15a connected to the suction conduit 12 at the treatment tool insertion port 15 are left.
[0010]
Both the bases 14a and 15a of the suction operation valve 14 and the treatment tool insertion port 15 have inner cylindrical surfaces formed in a cylindrical shape, and are disposed so as to open outward. Therefore, the cleaning brush can be inserted from the outside to brush the inner surfaces of the bases 14a and 15a.
[0011]
Reference numeral 1 denotes a mouthpiece cleaning brush for cleaning the inner peripheral surface of the mouthpiece 14a of the suction operation valve 14, which grips the gripping portion 20 with a human hand or fingertip, and provides a brush portion 30 provided at the tip thereof. Can be inserted into the base 14a to brush and clean the inside of the base 14a. The inside of the base 15a of the treatment instrument insertion opening 15 can be brushed and cleaned by the cleaning brush 1 in the same manner.
[0012]
FIG. 1 shows a use state in which the mouthpiece cleaning brush 1 is inserted into the mouthpiece 14 a of the suction operation valve 14. The gripping portion 20 of the mouthpiece cleaning brush 1 is surrounded by a cylindrical outer case 21 to have a watertight structure, and an electric motor 22 that rotates by a direct current is built in a portion near the front end thereof.
[0013]
The rear half of the outer case 21 is a battery chamber in which a dry battery 40 serving as a power supply for the motor 22 is housed, and the dry battery 40 can be replaced by removing the back cover 23 attached to the rear end in a watertight manner. .
[0014]
A switch button 24 is protrudingly provided on the front side surface of the outer case 21. When the switch button 24 is pressed, the power of the dry battery 40 is supplied to the motor 22 only during that time, and the motor 22 rotates. 25 is a lead wire connected to the dry battery 40.
[0015]
Note that the switch button 24 is made of rubber or the like, and that portion is structured to keep the outer case watertight. 26 is a spring for returning the switch button 24 to an off state.
[0016]
The rotating shaft 27 of the motor 22 is disposed so as to protrude forward from the center of the distal end of the gripper 20, and has an O-ring 28 for sealing attached to the outer peripheral surface near the root thereof.
[0017]
The brush portion 30 is formed by sandwiching a large number of brush bristles 32 between twists of a brush shaft 31 formed by twisting two stainless steel wires, for example. Therefore, the brush bristles 32 project radially from the brush shaft 31 in a direction substantially perpendicular to the brush shaft 31.
[0018]
FIG. 1 shows the natural state of the brush bristles 32. The thickness of the brush portion 30 (that is, the diameter of a line connecting the tips of the brush bristles 32) is formed to be larger than the inner diameter of the base 14a. Therefore, in practice, the tip portion of the brush bristles 32 comes into close contact with the inner peripheral surface of the mouthpiece 14a and is bent along the surface.
[0019]
The distal end portion 31a of the brush shaft 31 ahead of the portion where the brush bristles 32 are sandwiched is hardened by solder, and has the same dimensions as the proximal end portion 31b shown in FIG.
[0020]
As shown in FIG. 3, the base end portion 31 b of the brush shaft 31 is fixed by soldering, is inserted into a cylindrical rotating shaft 27, and is fixed to the rotating shaft 27 by a fixing screw 29. Have been.
[0021]
Therefore, the brush portion 30 can be replaced by loosening the fixing screw 29 and freely replacing the brush portion 30. When the brush portion 30 is damaged, it can be replaced with a new one. Further, when cleaning the inside of a base having a different inner diameter, for example, the brush section 30 may be replaced with a brush part 30 having a size suitable for the base.
[0022]
The brush portion 30 is driven to rotate by the motor 22 via the rotating shaft 27. The rotating direction is the twisting direction of the stranded wire forming the brush shaft 31, that is, the direction in which the twist is tightened by rotation. Therefore, even if the brush shaft 31 is used for a long time, the twist of the brush shaft 31 is not loosened, and the brush bristles 32 do not fall off.
[0023]
In addition, when the brush part 30 is rotated only in one direction, the brush bristles 32 become habitually deformed during use. However, the brush shaft 31 is rotated so that the direction of the brush part 30 is changed. When the tip portion 31a is connected to the rotating shaft 27 and used for brushing, the brush bristles 32 are rotated in a direction opposite to the initial use state, and a force is applied in a direction to correct the deformation of the brush bristles 32. Even if the direction of the brush part 30 is changed, the rotation direction of the motor 22 is such that the twist of the stranded wire forming the brush shaft 31 is tightened.
[0024]
In the mouthpiece cleaning brush 1 configured as described above, if the grip portion 20 is held by a hand or a finger, the brush portion 30 is inserted into the mouthpieces 14a and 15a, and the switch button 24 is pressed, the tip of the brush bristles 32 is changed. Since the inner peripheral surfaces of the bases 14a, 15a are rotated around the axis while being in close contact with the inner peripheral surfaces thereof, the inner peripheral surfaces of the bases 14a, 15a can be cleaned extremely easily and evenly by brushing.
[0025]
Note that the present invention is not limited to the above-described embodiment. For example, various power sources other than the dry battery 40 can be used as the power source of the motor 22. Further, the present invention is not limited to the base of the suction pipe, but may be applied to a brush for cleaning the inside of the base communicating with the air / water supply pipe or the like.
[0026]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, only by inserting a brush part in a base with the holding part formed in the magnitude | size which a person's hand or a finger can hold, a brush bristle is rotationally driven by an electric motor, and the inside of a base is easy. And brushing cleaning can be performed sufficiently.
[Brief description of the drawings]
FIG. 1 is a sectional view showing a use state in which a brush portion of a mouthpiece cleaning brush according to an embodiment of the present invention is inserted into a mouthpiece.
FIG. 2 is a schematic view of an endoscope and a base cleaning brush according to the embodiment of the present invention.
FIG. 3 is an enlarged cross-sectional view of a connecting portion between a rotating shaft and a brush portion according to the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Base cleaning brush 12 Suction pipes 14a, 15a Base 20 Gripping part 22 Motor 30 Brush part 31 Brush shaft 32 Brush bristles

Claims (2)

In a base cleaning brush of an endoscope for cleaning the inside of a base provided in communication with a conduit in the endoscope,
A bristle formed in a size that can be gripped by a human hand or finger and having a built-in electric motor, and brush bristles protruding from one end of the grip and radiating from a brush shaft rotated by the motor. possess a set brushes portion,
An endoscope, wherein the brush portion is detachable with respect to the grip portion, and the brush shaft is detachable with respect to a rotating shaft of the motor at both ends thereof. Brush for cleaning the base. 2. The endoscope cleaning brush according to claim 1, wherein the brush shaft is formed by a stranded wire, and the brush is rotated by the motor in the twisting direction.

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