JPH0246326Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a puncture guide for an ultrasonic diagnostic device that guides a needle in a predetermined direction during puncture. It has a needle insertion path consisting of a linear opening groove and a lid supported at a position away from the opening groove, and when the needle is removed from the puncture guide during surgery, the ultrasound probe The present invention relates to a puncture guide for an ultrasonic diagnostic device in which an insertion passage is disassembled by rotating the lid by operating the finger of the hand holding it.

(Prior Art) Conventionally, there is a puncture guide for an ultrasonic diagnostic apparatus shown in FIG. The puncture guide consists of a tightening part 1 and a puncture support part 2, which are integrated (the integrated part is also referred to as an attachment body). The tightening part 1 is secured to the ultrasonic probe 3 by a screw 5 with its body wrapped in a band member 4 . The puncture support part 2 is composed of a block 6 having a substantially rectangular flat part and a sleeve 7 joined to the flat part of the block 6. In this joined state, by locking the locking portion 8 of the sleeve 7 to the block 6, an insertion path 10 for the needle 9 is formed by the groove provided in the longitudinal direction of the sleeve 7 and the flat portion. Further, when the locking portion 8 is removed from the block 6, the insertion passage 10 can be disassembled.

In the above configuration, when it is necessary to puncture a patient during surgery, hold (grip) the ultrasound probe 3 (puncture guide) in your left hand, hold the needle 9 in your right hand, and insert it into the insertion path 1.
Starting from 0, insert slowly into the affected area. After puncturing, when leaving the needle 9 in place, keep holding the needle 9 (never let go of the needle with your right hand) and slide the sleeve 7 in the direction of arrow A with your left index or middle finger to remove it from the block 6. (The insertion passage 10 is dismantled).
This allows the needle 9 to be separated from the puncture guide.

By the way, in general, as shown in Figure 9, when a person's hand is grasping something (holding state), the index finger,
It is relatively easy to move the middle finger etc. in the finger bending direction X, but it is difficult to move it in the direction Y perpendicular to the finger bending direction (the thumb can be moved in any direction).

(Problems to be solved by the invention) However, in the case of conventional ultrasound diagnostic device puncture guides, when dismantling the insertion passage in the puncture state, the index finger of the hand holding the ultrasound probe (puncture guide),
Because the operation involves bending the middle finger, etc. in a direction approximately perpendicular to the bending direction (in Fig. 8, the left thumb is in the front,
When the other fingers are located on the opposite side and the index finger, middle finger, etc. are moved in the direction of arrow A, that is, the direction Y in FIG. 9), there is a problem that the needle cannot be placed easily. Furthermore, when removing the puncture guide from the ultrasonic probe, the screws are removed and then the tightening portion is removed, which is cumbersome to operate and there is also the risk of losing the removed screws.

(Means for solving the problem) The present invention was made in view of the above,
The purpose is to provide a puncture guide for an ultrasonic diagnostic device that allows a needle to be placed indwelling with a simple operation during surgery and that can also be easily attached to and detached from an ultrasonic probe.

In the puncture guide for an ultrasonic diagnostic device of the present invention, which achieves the above object, the puncture support portion is composed of an opening groove provided linearly in a flat plate member, and a lid supported at a position away from the opening groove. When the needle is released from the puncture guide during surgery, the lid is rotated by the finger of the hand holding the ultrasound probe, and the insertion path is disassembled.

(Example) Hereinafter, the present invention will be described in detail with reference to the drawings.

FIGS. 1A and 1B are configuration diagrams showing an embodiment of the present invention. In FIGS. 1A and 1B, the same symbols as in FIG. 8 are used with the same meanings. In FIG. 1A, the puncture support part 11 has a substantially flat plate-like member 13 having a linear U-shaped groove 12 in the substantially center of the plate surface (the member 13 is locked to the block 6 by a locking part 14). ), near the end of the member 13 (U-shaped groove 12
The lid 15 (a position away from the U-shaped groove 1) made of an elastic material opens and closes the opening of the U-shaped groove 12 with the fulcrum
2) and a member for closing and opening the lid. The lid 15 has a plate-like part for fitting onto the U-shaped groove 12 and a hook 16 formed on the opposite side of the fulcrum. 16 to keep the lid closed.

On the other hand, the tightening part 17 (the main part of which is shown in FIG. The structure is such that it is secured to the ultrasound probe 3 by tightening the portion 18.

In the above configuration, as shown in Figure 2A,
When the U-shaped groove 12 is covered and the hook 16 is applied, the U-shaped groove 12 and the cover 15 form a needle insertion path 20.
Moreover, this state is maintained. Therefore, at the time of puncturing, by introducing the needle 9 into this insertion passage 20, the needle 9 can be inserted into the affected area from a predetermined direction. At this time, the left and right hand operations are performed in the same manner as in FIG.

On the other hand, when placing the needle 9 during surgery, use the index finger, middle finger, etc. of the left hand to push the hook 16 in the direction of arrow B shown in FIG. 2B to remove it. As a result, the lid 15 rotates in the direction of arrow C, the insertion passage 20 is disassembled, and the needle 9
is released from the puncture guide and placed in place. That is, the insertion passage 20 can be dismantled by simply rotating the lid 15, and its activation can be accomplished by moving the index finger, middle finger, etc. of the left hand that holds the ultrasonic probe 3 in the direction of bending the fingers. Therefore, the needle can be easily placed during surgery.

Further, as shown in FIG. 2B, by pushing the hook 19 in the direction of arrow D, the belt-shaped portion 18 of the tightening portion 17 is released, so that the puncture guide can be removed from the ultrasound probe 3.

3 to 5 are configuration diagrams of a puncture support section according to another embodiment of the present invention. The first feature of the block 6 in FIG. 3 is that it has a hook locking portion 21 on the side wall.
The configuration is different from the one shown in the figure. The lid 15 shown in FIG. 4 has a retaining ring 22, and when the lid is closed, the upper and lower ends of the block 6 are held between both sides of the retaining ring 22 to maintain this state. The lid is opened by pushing in the direction of arrow E. The lid 15 in FIG. 5 is rotatably supported on a shaft 24 via a spring, and is movable in the direction of arrow F by a pawl 25 supported on the shaft 24. The lid 15 also has a protrusion 27 that engages with a U-shaped engagement section 26 provided on the block 6 and having a cutting section. Then, the lid 15 is moved in the direction of arrow F using the claw 25, and the protrusion 27 is attached to the locking portion 2.
The lid can be opened by removing it from 6.

6 and 7 are configuration diagrams of a tightening part according to another embodiment of the present invention. Each of the fastening parts 17 has a retaining ring 28 and a pawl 29 to fasten the band-like part 18 to the ultrasonic probe. Further, the former retaining ring locking portion 30 is closed, and the latter retaining ring locking portion 31 is open.

In the embodiment shown in FIG. 1 above, the case where the ultrasonic probe is held in the left hand and the needle is held in the right hand is explained, but the present invention is not limited to this, and the present invention can also be used in the case of the reverse operation. It may be.
Further, in the case of a structure in which the closed state of the lid of the puncture support part is held by a hook, only the hook may be made of an elastic material. Furthermore, the opening groove provided in the flat plate member is
It may be V-shaped, U-shaped, etc.

(Effects of the invention) As explained above, according to the puncture guide for an ultrasonic diagnostic device of the present invention, the puncture support part has an opening groove linearly provided in a flat plate-like member, a plate-like part, and a hook. However, since the lid is supported at a position apart from the opening groove, the opening and closing mechanism of the opening groove can be realized with a simple structure. Moreover, the opening and closing operations of the opening groove can be performed by a simple movement of the finger of the hand holding the ultrasonic probe. Therefore, the operation when placing the needle in the subject becomes easier. In addition, since the tightening part is operated by a hook, it becomes easy to attach and detach the puncture guide to the ultrasonic probe.

[Brief explanation of the drawing]

Figures 1A and 5 are block diagrams showing an embodiment of the present invention, Figures 2A and 2B are diagrams showing how the embodiment of the present invention is used, and Figures 3 to 5 are diagrams of the present invention. FIG. 6 is a configuration diagram showing a puncture support section according to another embodiment of the invention;
7 and 7 are block diagrams showing a tightening section according to another embodiment of the present invention, FIG. 8 is a block diagram showing a conventional example, and FIG. 9 is a diagram showing the operation of fingers of a human hand. 11...Puncture support part, 12...U-shaped groove, 13...
... Flat member, 15 ... Lid, 16 ... Hook, 1
7...Tightening part, 18...Band shaped part, 19...Hook, 20...Insertion passage.

Claims (1)

[Scope of Claim for Utility Model Registration] A puncture guide for an ultrasound diagnostic device including a puncture support part that is detachably attached to an ultrasound probe and that guides a needle in a predetermined direction and pierces the affected area, the puncture support part comprising: The member is made up of a substantially flat plate-like member having a substantially linear opening groove on the plate surface, a plate-shaped portion, and a hook, and the opening groove is moved by a movement using a position away from the opening groove as a fulcrum. A puncture guide for an ultrasonic diagnostic apparatus characterized by comprising a lid that opens and closes with the plate-shaped portion and maintains the closed state by locking the hook to the substantially flat plate-shaped member.