JP5208468B2 - Puncture adapter, ultrasonic probe, and ultrasonic diagnostic apparatus - Google Patents

Description

  The present invention relates to a puncture adapter, an ultrasonic probe, and an ultrasonic diagnostic apparatus that are attached to an ultrasonic probe and used as a guide for a puncture needle.

  A puncture technique is performed in which a puncture needle is inserted into a living body to perform ablation treatment of a tumor or extract a tissue. In such puncture, puncture is performed while confirming a cross-sectional image of the puncture site with an ultrasonic diagnostic apparatus. Specifically, a puncture adapter is attached to an ultrasonic probe that transmits and receives ultrasonic waves, and a puncture needle is inserted into a living body through a guide hole formed in the puncture adapter while performing ultrasonic imaging.

  For example, as disclosed in Patent Document 1, the puncture adapter includes a bracket portion attached to an ultrasonic probe in an ultrasonic diagnostic apparatus, and a guide portion in which a guide hole for a puncture needle is formed. As such a puncture adapter, there is a puncture adapter in which the guide portion includes a guide portion main body provided integrally with the bracket portion, and a needle pressing pad that is detachably attached to the guide portion main body. A puncture adapter having such a structure will be described with reference to FIG. FIG. 11 is an exploded perspective view showing an example of a conventional puncture adapter. In the puncture adapter 50 shown in FIG. 11, 51 is a bracket portion attached to the ultrasonic probe 52, and 53 is a guide portion in which a guide hole 54 of a puncture needle (not shown) is formed. The guide portion 53 includes a guide portion main body 55 provided integrally with the bracket portion 51 and a needle pressing pad 56 that is detachably attached to the guide portion main body 55. The needle pressing pad 56 is attached to the guide portion main body 55 by a bolt 57 that penetrates the guide portion main body 55 from the side opposite to the attachment side of the needle pressing pad 56. The needle pressing pad 56 has an engaging protrusion (not shown), and in the state where the engaging protrusion is engaged with an engaging notch 58 provided in the guide part body 55, the guide part body. 55 can be attached.

  A main body side groove portion 59 and a pad side groove portion 60 are provided on opposing mounting surfaces of the guide portion main body 55 and the needle pressing pad 56, respectively. The guide hole 54 is formed by the grooves 59 and 60 in a state where the needle pressing pad 56 is attached to the guide body 55, and the guide hole 54 thus formed is formed. Is open at the boundary between the guide body 55 and the needle press pad 56.

  When attaching the needle pressing pad 56 to the guide portion main body 55, the needle pressing pad 56 may be attached so as to be in close contact with each other, or may be attached so as to leave a gap therebetween. . In the latter case, that is, when the needle pressing pad 56 is attached so as to leave a gap between the guide portion main body 55 and the guide portion main body 55 and the needle pressing pad 56, The bolt 57 is fastened in a state where the puncture needle is disposed in the groove portions 59 and 60, and the puncture needle is clamped between the guide portion main body 55 and the needle pressing pad 56, so that the puncture needle becomes the guide hole. 54.

  In the puncture adapter 50 configured as described above, the needle pressing pad 56 is attached to the guide portion main body 55 by making the needle pressing pad 56 detachable from the guide portion main body 55. Sometimes, the gap between the needle pressing pad 56 and the guide body 55 can be adjusted, whereby puncture needles of various thicknesses can be held in the guide hole 54. That is, when the needle pressing pad 56 is attached in a state where there is no gap with the guide portion main body 55, the thinnest puncture needle can be held in the guide hole 54, and the needle pressing pad 56 is A thicker puncture needle can be held in the guide hole 54 as the gap between the two when attached to the guide portion main body 55 is widened.

Further, when the puncture needle inserted into the living body is pulled out, blood adheres to the guide hole 54, so that the guide hole 54 needs to be washed after use. In the puncture adapter 50, the needle pressing pad 56 is detachable from the guide portion main body 55, and the guide holes 54 are provided on the opposing mounting surfaces of the guide portion main body 55 and the needle pressing pad 56, respectively. When the guide hole 54 is cleaned, the needle pressing pad 56 is removed from the guide body 55 and the grooves 59, 60 are cleaned. Since it is good, easy and reliable cleaning can be performed.
Japanese Patent Laid-Open No. 11-128237

  As described above, in the puncture adapter 50 in which the needle pressing pad 56 is detachable from the guide portion main body 55, when the needle pressing pad 56 is attached to the guide portion main body 55, this needle The pressing pad 56 may be mistakenly disposed at an angle or position different from the original mounting position or mounting angle. However, conventionally, since the colors of the guide body 55 and the needle pressing pad 56 are the same, there is a risk that the angle and position shift of the needle pressing pad 56 may not be noticed.

  In addition, the puncture adapter 50 is used in an operating room or the like. However, in the operating room, since the light source is multi-directional, it is difficult to be shaded and the position of the guide hole 54 is difficult to understand. There is.

  An object of the present invention is a puncture adapter in which a guide portion of a puncture needle is composed of a guide portion main body and a needle press pad that can be attached to and detached from the guide portion main body, and the needle press pad is deviated from the original mounting position. It is an object of the present invention to provide a puncture adapter that can easily recognize this, an ultrasonic probe to which such a puncture adapter is attached, and an ultrasonic diagnostic apparatus including such an ultrasonic probe.

  Another object of the present invention is to provide a puncture adapter with which the position of the guide hole can be easily recognized, an ultrasonic probe to which such a puncture adapter is attached, and an ultrasonic probe equipped with such an ultrasonic probe. An ultrasonic diagnostic apparatus is provided.

  The present invention has been made to solve the above problems, and the invention of the first aspect includes a bracket portion attached to an ultrasonic probe and a guide portion in which a guide hole of a puncture needle is formed, The guide portion includes a guide portion main body provided in the bracket portion, and a needle pressing pad that is detachably attached to the guide portion main body, and an opposing mounting surface of the guide portion main body and the needle pressing pad. Are provided with groove portions, and the guide holes are formed by the groove portions in a state in which the needle pressing pad is attached to the guide portion main body, and the guide holes are formed between the guide portion main body and the needle presser. A puncture adapter that opens at the boundary between the pad and the guide body and the needle pressing pad at the boundary between the guide body and the needle pressing pad The puncture adapter is characterized in that the colors are different from each other.

  According to a second aspect of the present invention, in the puncture adapter according to the first aspect of the invention, the guide portion main body and the needle pressing pad are colored differently from each other so that the entire guide portion main body and the entire needle pressing pad are different from each other. The puncture adapter is characterized in that the guide portion main body side and the needle press pad side have different colors from the boundary with the needle press pad.

  A third aspect of the invention is the puncture adapter according to the first aspect of the invention, wherein the guide part main body and the needle pressing pad are a part of at least one of the guide part main body and the needle pressing pad. The color of the portion in contact with the boundary between the guide portion main body side and the needle press pad side with respect to the boundary between the guide portion main body and the needle press pad is defined as a color different from the other. The puncture adapter is characterized by having different colors.

  The invention of the fourth aspect includes a bracket portion attached to the ultrasonic probe, and a guide portion in which a guide hole of the puncture needle is formed, the guide portion including a guide portion main body provided in the bracket portion, A needle pressing pad that is detachably attached to the guide body, and groove portions are provided on opposing mounting surfaces of the guide body and the needle pressing pad, respectively, and the needle pressing pad is connected to the guide portion. A puncture adapter in which the guide holes are formed by the grooves when attached to the main body, and a boundary between the guide main body and the needle press pad on the surface of the guide main body and the needle press pad. It is a puncture adapter characterized by comprising a display applied so as to straddle the line.

  The invention of a fifth aspect is a puncture adapter comprising a bracket portion attached to an ultrasonic probe and a guide portion in which a guide hole of a puncture needle is formed, and passes through the opening of the guide hole. A puncture adapter characterized in that both sides have different colors at the boundary.

  A sixth aspect of the invention is an ultrasonic probe comprising the puncture adapter according to the first, fourth or fifth aspect of the invention.

  The seventh aspect of the invention is an ultrasonic diagnostic apparatus comprising the ultrasonic probe according to the sixth aspect of the invention.

  According to the first, second, third, sixth, and seventh aspects of the invention, the guide portion main body side and the needle press pad side are different from each other at the boundary between the guide portion main body and the needle press pad. Because of the color, the outlines of the guide body and the needle pressing pad are clear at the boundary between the guide body and the needle pressing pad. Accordingly, when the needle pressing pad is attached to the guide body, the boundary between the needle pressing pad and the guide body even when the needle pressing pad is displaced from the original mounting position. The shift can be easily visually recognized. Further, since the guide hole is opened at the boundary between the guide portion main body and the needle pressing pad, the color of the outline of the guide hole is different at the boundary. Thereby, since the outline of the guide hole is partially clear, the position can be easily visually confirmed.

  According to the fourth, sixth, and seventh aspects of the invention, when the needle pressing pad is attached to the guide portion main body, the needle pressing pad and the needle pressing pad are disposed when the needle pressing pad is displaced from the original mounting position. Since the display becomes discontinuous at the boundary portion with the guide body, the shift can be easily visually recognized.

  According to the fifth, sixth, and seventh aspects of the invention, the border of the guide hole passing through the opening of the guide hole is changed to a different color on both sides, so that the guide hole The color of the contour will be different. Thereby, since the outline of the guide hole is partially clear, the position of the guide hole can be easily recognized.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(First embodiment)
First, a first embodiment of the present invention will be described. 1 is a perspective view of the puncture adapter according to the first embodiment of the present invention, FIG. 2 is an exploded perspective view of the puncture adapter shown in FIG. 1, and FIG. 3 is a puncture adapter shown in FIG. 4 and FIG. 5 are perspective views of the puncture adapter shown in FIG. 1 in a state where the puncture needle is held, and FIG. 6 is a guide part main body of the puncture adapter shown in FIG. FIG. 7 is an enlarged perspective view of the opening portion of the guide hole of the puncture adapter shown in FIG. 1.

  The puncture adapter 1 shown in the figure is used by being attached to an ultrasonic probe 2 in an ultrasonic diagnostic apparatus (not shown). A specific configuration will be described. The puncture adapter 1 includes a bracket portion 3 attached to the ultrasonic probe 2 and a guide portion 5 in which a guide hole 4 of a puncture needle 18 (see FIGS. 4 and 5) is formed. It has. The bracket portion 3 has elasticity and is formed in a substantially U-shape. Cutout portions 6a and 6b are formed in the opening end portions 3a and 3b of the bracket portion 3 having such a shape, and a bar 7 is rotatable in the cutout portion 6a formed in the one end portion 3a. Is pivotally supported. The bar 7 is a member for closing the opening of the bracket 3 when the bracket 3 is attached to the ultrasonic probe 2. A nut 8 is screwed to the tip of the bar 7. When attaching the bracket 3 to the ultrasonic probe 2, first, the opening of the bracket portion 3 is opened, and the ultrasonic probe 2 is inserted into the bracket portion 3. In this state, the opening of the bracket 3 is opened. Is closed by the bar 7. Then, the notch portion 6b formed in the other end portion 3b of the bracket 3 is fitted with a portion on the tip end side of the bar 7 and inside the nut 8 so that the nut is formed from the outside of the bracket 3. By tightening 8, the bar 7 is locked to the other end 3 b.

  A first guide hole 4 a and a second guide hole 4 b are formed in the guide portion 5 as the guide hole 4. The guide portion 5 includes a guide portion main body 9 provided integrally with the bracket portion 3 and a needle pressing pad 10 that is detachably attached to the guide portion main body 9. The needle pressing pad 10 is attached to the guide portion main body 9 by a bolt 11 that penetrates the guide portion main body 9 from the side opposite to the side on which the needle pressing pad 10 is attached.

  The guide body 9 and the needle press pad 10 have different colors. In the present embodiment, the entire guide body 9 and the entire needle pressing pad 10 have different colors. Thus, in a state where the needle holding pad 10 is attached to the guide body 9, the guide body 9 side and the needle pressing pad are separated from the boundary between the guide body 9 and the needle pressing pad 10. The colors on the 10 side are different from each other. Here, as the colors of the guide body 9 and the needle pressing pad 10, it is preferable that any one of them is clearly different, for example, either one is white and the other is blue or black.

  A main body side groove portion 14 and a pad side groove portion 15 are provided on the opposing mounting surfaces 12 and 13 of the guide portion main body 9 and the needle pressing pad 10, respectively. The guide hole 4 is formed by the groove portions 14 and 15 in a state where the needle pressing pad 10 is attached to the guide portion main body 9, and the guide hole 4 thus formed is formed. Is open at the boundary between the guide body 9 and the needle press pad 10.

  Incidentally, the end portions on the puncture needle insertion side (the upper surface 9a, 10a side of the guide main body 9 and the needle pressing pad 10) in each of the groove portions 14 and 15 are tapered surfaces that widen toward the puncture needle insertion side. Yes. As a result, the opening on the puncture needle insertion side of the guide hole 4 has a tapered shape that widens toward the opening side, so that the puncture needle 18 can be easily inserted.

  Each said groove part 14 and 15 has 1st groove part 14a, 15a and 2nd groove part 14b, 15b, respectively. The first guide hole 4a is formed by the first groove portions 14a and 15a of the groove portions 14 and 15, and the second guide hole 4b is formed by the second groove portions 14b and 15b of the groove portions 14 and 15. It is supposed to be formed. The first groove portion 14a and the second groove portion 14b of the main body side groove portion 14 intersect each other, and the first groove portion 15a and the second groove portion 15b of the pad side groove portion 15 intersect each other. Thereby, the angles of the first guide hole 4a and the second guide hole 4b with respect to the living body become different, and whether the puncture needle 18 is inserted into the first guide hole 4a or the second guide hole 4b. The insertion angle can be changed.

  An engagement notch 16 is formed in the guide body 9, and an engagement protrusion 17 provided on the opposing mounting surface 13 of the needle press pad 10 is engaged with the engagement notch 16. It has become.

  Next, the attachment of the needle pressing pad 10 to the guide portion main body 9 and the holding of the puncture needle 18 in the guide portion 5 will be described with reference to FIGS. The needle pressing pad 10 may be attached so as to be in close contact with the guide body 9 as shown in FIG. 4, and a gap is provided between the needle holding pad 10 and the guide body 9 as shown in FIG. May be attached. When the needle holding pad 10 is attached in close contact with the guide body 9, the puncture needle 18 that matches the diameter of the guide hole 4 is inserted into the guide hole 4 and held in the guide hole 4. . On the other hand, when the needle pressing pad 10 is attached with a gap between the needle holding pad 10 and the guide body 9, the puncture needle 18 is inserted into the grooves 14 and 15 provided in the guide body 9 and the needle pressing pad 10, respectively. The puncture needle 18 is held in the guide hole 4 by tightening the bolt 11 and holding the puncture needle 18 between the guide portion main body 9 and the needle pressing pad 10 in a state where the guide hole 4 is disposed. With the configuration as described above, the puncture needle 18 having various thicknesses can be held in the guide hole 4.

  According to the present embodiment, since the guide part main body 9 side and the needle press pad 10 side have different colors at the boundary between the guide part main body 9 and the needle press pad 10, At the boundary between the guide portion main body 9 and the needle pressing pad 10, the outlines of the guide portion main body 9 and the needle pressing pad 10 are clear. As a result, when the needle pressing pad 10 is attached to the guide portion main body 9, as shown in FIG. 6, for example, the needle pressing pad 10 is displaced from its original mounting position (in FIG. Even when the mating protrusion 17 (not shown in FIG. 6) is erroneously inserted into a hole (reference numeral omitted) through which the bolt 11 is inserted, the needle pressing pad 10 and the guide body The shift can be easily visually recognized at the boundary with 9.

  Further, since the guide hole 4 opens at the boundary between the guide body 9 and the needle pressing pad 10, the boundary of the opening of the guide hole 4 as shown in FIG. The color of the contour will be different. Thereby, since the outline of the guide hole 4 is partially clear, the position can be easily visually confirmed. In the present embodiment, the opening on the puncture needle insertion side of the guide hole 4 has a tapered shape that widens toward the opening side. Therefore, the guide body 9 and the needle pressing pad on the tapered surface. The boundary portion with 10 is substantially V-shaped depending on the viewing angle. Therefore, the position of the guide hole 4 can be easily visually recognized even when it looks like this.

  Next, a modification of the first embodiment will be described with reference to FIG. FIG. 8 is a perspective view showing a puncture adapter according to a modification of the first embodiment. The puncture adapter 1 of this modification is also used by being attached to the ultrasonic probe 2 in an ultrasonic diagnostic apparatus (not shown). In this modification, only the color of a part of the needle pressing pad 10 that is in contact with the boundary between the guide body 9 and the needle pressing pad 10 is different from that of the guide body 9. It has become. Specifically, approximately half of the side of the needle pressing pad 10 that is attached to the guide portion main body 9 has a color different from the color of the guide portion main body 9. Incidentally, the colors of the other portions, that is, the substantially half of the guide portion main body 9 and the needle pressing pad 10 on the side opposite to the side where the attachment to the guide portion main body 9 is performed are the same.

  Here, in this modified example, the color of a portion of one of the guide portion main body 9 and the needle pressing pad 10 that is in contact with the boundary between the guide portion main body 9 and the needle pressing pad 10 is changed. By setting the color different from that of the other, the guide unit main body 9 side and the needle press pad 10 side are different from each other at the boundary between the guide unit main body 9 and the needle press pad 10. It only has to be. Therefore, although not shown in the drawing, it is not a part of the needle pressing pad 10 but a part of the guide part main body 9 and a part in contact with the boundary between the guide part main body 9 and the needle pressing pad 10, for example, the guide part main body. 9 may be a color different from the color of the needle pressing pad 10 only in the substantially half portion on the side where the needle pressing pad 10 is attached.

  Also according to this modification, since the guide part main body 10 side and the needle press pad 10 side have different colors at the boundary between the guide part main body 9 and the needle press pad 10, Even when the needle pressing pad 10 is arranged so as to deviate from the original mounting position, the deviation can be easily visually recognized at the boundary portion between the needle pressing pad 10 and the guide body 9, and the guide hole The position 4 can be easily recognized.

(Second embodiment)
Next, a second embodiment of the present invention will be described. FIG. 9 is a perspective view of the puncture adapter according to the second embodiment of the present invention. In FIG. 9, the same components as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  The puncture adapter 20 shown in FIG. 9 is also used by being attached to an ultrasonic probe (not shown) in the ultrasonic diagnostic apparatus as in the first embodiment. A specific configuration will be described. The puncture adapter 20 is continuous with the surfaces of the guide body 9 and the needle pressing pad 10 across the boundary between the guide body 9 and the needle pressing pad 10. A circular display 21 is provided.

  Here, the display 21 is not limited to a circle, but is, for example, a triangle or a quadrangle, a straight line having a predetermined width that intersects the boundary between the guide body 9 and the needle pressing pad 10 at a predetermined angle or at a predetermined angle. The figure may be a figure or a character.

  According to the second embodiment, when the needle pressing pad 10 is attached to the guide portion main body 9, the needle pressing pad 10 and the guide are arranged when the needle pressing pad 10 is displaced from the original mounting position. Since the display 21 is discontinuous at the boundary with the main body 9, the shift can be easily visually recognized.

(Third embodiment)
Next, a third embodiment of the present invention will be described. FIG. 10 is a perspective view of the puncture adapter according to the third embodiment of the present invention. In FIG. 10, the same components as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  The puncture adapter 30 shown in FIG. 10 is also used by being attached to an ultrasonic probe (not shown) in the ultrasonic diagnostic apparatus as in the first and second embodiments. A specific configuration will be described. In the puncture adapter 30, the guide portion 5 is not composed of two members of the guide portion main body 9 and the needle pressing pad 10, but these are integrally formed, A guide hole 4 is formed in the guide portion 5 configured as described above.

  In the guide portion 5 having such a configuration, both sides have different colors with a boundary passing through the opening portion of the guide hole 4 as a boundary.

  According to the puncture adapter 30, the color of the outline of the guide hole 4 with the boundary as the boundary by making the both sides different colors with the boundary passing through the opening of the guide hole 4 as the boundary. Will be different. Thereby, since the outline of the guide hole 4 is partially clear, the position of the guide hole 4 can be easily visually confirmed. Similarly to the first embodiment, the opening on the puncture needle insertion side of the guide hole 4 has a tapered shape that widens toward the opening side. Therefore, the tapered surface has a color boundary depending on the viewing angle. The portion is substantially V-shaped. Therefore, the position of the guide hole 4 can be easily visually recognized even when it looks like this.

  As mentioned above, although this invention was demonstrated by each said embodiment, this invention can be variously implemented in the range which does not change the main point.

It is a perspective view of the adapter for puncture concerning a first embodiment of the present invention. It is a disassembled perspective view of the adapter for puncture shown in FIG. It is a perspective view which shows the needle press pad which comprises the adapter for puncture shown in FIG. FIG. 2 is a perspective view of the puncture adapter shown in FIG. 1 in a state where a puncture needle is held. FIG. 2 is a perspective view of the puncture adapter shown in FIG. 1 in a state where a puncture needle is held. It is a perspective view which shows the state which has arrange | positioned the needle press pad in the guide part main body of the puncture adapter shown in FIG. 1 shifted | deviated from the original attachment position. It is an expansion perspective view of the opening part of the guide hole of the adapter for puncture shown in FIG. It is a perspective view which shows the adapter for puncture of the modification of 1st embodiment. It is a perspective view of the adapter for puncture concerning a second embodiment of the present invention. It is a perspective view of the adapter for puncture concerning a third embodiment of the present invention. It is a disassembled perspective view which shows an example of the conventional adapter for puncture.

Explanation of symbols

1, 20, 30 Puncture adapter 2 Ultrasonic probe 3 Bracket part 4 Guide hole 5 Guide part 9 Guide part body 10 Needle press pad 12, 13 Opposing mounting surface 14 Body side groove part (groove part)
15 Pad side groove (groove)
18 Puncture needle 21 Display

Claims (3)

A bracket portion attached to the ultrasonic probe, and a guide portion in which a guide hole of the puncture needle is formed,
  The guide portion includes a guide portion main body provided in the bracket portion and a needle pressing pad that is detachably attached to the guide portion main body, and an opposing mounting surface of the guide portion main body and the needle pressing pad is provided on an opposing mounting surface. A puncture adapter in which each groove portion is provided, and the guide hole is formed by each groove portion in a state where the needle pressing pad is attached to the guide portion main body,
  A display is provided on the surfaces of the guide body and the needle pressing pad so as to continue across the boundary between the guide body and the needle pressing pad.
A puncture adapter characterized by that. An ultrasonic probe having the puncture adapter according to claim 1 attached thereto. An ultrasonic diagnostic apparatus comprising the ultrasonic probe according to claim 2.

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