JP3563767B2 - Puncture device - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a puncture TogeSo location, in particular, without leaking the liquid or the like in an organ, such as human or animal to the outside, a novel improvement for performing sample aspiration and internal state inspection of the organ.
[0002]
[Prior art]
Conventionally, as a reference are optionally have this kind of puncture barbs, typically, the injection needle is punctured into the puncture such organs, by sucking the inside of the liquid or the like, has been performed pathological examination of the liquid or the like .
[0003]
Problems to be Solved by the Invention
Conventional puncture spines, because it is constructed as described above, the following problems were present.
That is, when the injection needle is pulled out after puncturing the injection needle into the punctured part to suck the liquid or the like, the hole at the time of puncturing the injection needle remains in the punctured part, so that the liquid or the like flows from this hole. It leaked into the body, and in the case of malignant liquid, it could spread to other organs.
[0004]
The present invention has been made in order to solve the above-described problems, and in particular, does not leak a liquid or the like in an organ such as a human body or an animal to the outside, and aspirates a sample in the organ and inspects an internal state. and to provide a puncture TogeSo location which to perform.
[0005]
[Means for Solving the Problems]
A puncture device according to the present invention includes a bag portion formed at an axial position of an umbrella-shaped portion made of a flexible material, an elastic holder made of a flexible material formed on the bag portion, and a screw connected to the elastic holder. A first tubular body connected in series to the screw body, and a second tubular body coaxially disposed at an outer peripheral position of the first tubular body, wherein the umbrella-shaped portion is configuration der in deformed state is accommodated in the second tubular body is, also, the bag portion is Ri configuration der adhesive is contained, also, the outer periphery of the elastic holding body Ri configuration der cylindrical portion is fitted, also the cone-shaped part is Ri configuration der made of silicon rubber, also it has inserted needle body to said elastic holding member, wherein the needle body is This is a configuration including a cylindrical needle portion and a dedicated needle portion coaxially inserted into the cylindrical needle portion.
[0006]
[Action]
In puncture TogeSo location according to the invention, the human or animal through the wall to form pores of inserting the puncture device, and pushing only the first tubular member, the cone-shaped part and the bag part and the second cylinder The umbrella protrudes from the shape and spreads from the reduced state to the original umbrella shape. In this state, after the punctured portion is dried by the drying means inserted from another direction, the adhesive in the bag portion is cut out or pierced by the cutting means so as to have a thickness of about 0.1 to 0.1 on the punctured portion. It is supplied in a film form at 0.2 mm.
When the entire device is pushed inward in the above-described state, the umbrella-shaped portion is closely fitted to the punctured portion, and the two are integrated by the action of the adhesive.
Next, when the needle is inserted into the first cylindrical body, the needle pierces the elastic holder and penetrates the punctured portion. In this state, only the dedicated needle portion is withdrawn from the cylindrical needle portion, and a suction body is inserted into the head of the cylindrical needle portion and sucked, whereby the liquid or the like in the punctured portion can be sucked and taken out. Immediately after the completion of the suction operation, when the elastic holding body is cut, the umbrella-shaped portion and a part of the elastic holding body both remain on the punctured portion, and the elastic holding body contracts and returns to its original state. The hole when the needle is punctured disappears, and the hole formed in the punctured part is completely closed by the elastic holder, so that leakage of the liquid or the like inside can be prevented. Therefore, metastasis to other organs due to leakage in the case of a malignant tumor can be prevented.
Further, when a camera or a sample removing body is inserted instead of the above-described suction body, observation inside the punctured part and removal of a biological sample can be performed.
[0007]
【Example】
It will be described in detail preferred embodiments of the puncture TogeSo location according to the present invention in conjunction with the accompanying drawings.
FIG. 1 shows a main part of the puncture device. In FIG. 1, a reference numeral 1 denotes an umbrella-shaped portion made of silicon rubber or the like and having an umbrella shape. A bag-like portion 2 is integrally formed, and a substantially cylindrical elastic holder 3 is formed integrally with the bag portion 2 downward. The bag portion 2, the umbrella-shaped portion 1, and the elastic holder 3 are formed by either integral molding or integral joining by separate parts.
[0008]
A cylindrical body 4 made of corrosion-resistant aluminum or the like is fitted around the outer periphery of the elastic holder 3, and pressure is applied to the elastic holder 3 from the outer peripheral side by the cylindrical body 4. The hole 3a formed after puncturing with a body or the like is configured to be crushed by contraction and restored to the original state. At the lower end of the elastic holder, a cylindrical screw body 5 made of corrosion-resistant aluminum or the like is provided. In addition, an adhesive 7 made of surgical Aron Alpha or the like is injected into the bag portion 2 by an injector 6 immediately before use.
[0009]
A first cylindrical body 9 made of corrosion-resistant aluminum or the like and having a slightly larger outer diameter than the screw body 5 and having a first handle 8 is screwed into the screw body 5 in series. It is connected.
As shown in FIG. 5, the first tubular body 9 connected to the elastic holder 5 has the second handle 10 shown in FIG. 3 and is entirely made of corrosion-resistant aluminum or the like. 11 are coaxially inserted. Therefore, the puncture device 20 according to the present invention is completed in the state of FIG. 5, and in this state, the umbrella-shaped portion 1 is reduced and deformed to a smaller size than the original shape, and the second cylindrical body 11 is formed. It will be in the state accommodated in. As shown in FIG. 4, the umbrella-shaped portion 1 and the bag portion 2 are integrally made of silicon rubber or the like, and the elastic holder 3 is made of rubber or resin excellent in shrinkage, and is adhered to each other. I have. Further, the cylindrical bodies 9 and 11 can be formed of resin in addition to aluminum.
[0010]
6 to 8 show the needle 30 used in the puncture device 20 shown in FIG. 5 described above. FIG. 6 shows the cylindrical needle 31 and FIG. Shows a dedicated needle portion 32 for insertion therein. A tapered insertion portion 33 is formed at the rear end of the cylindrical needle portion 31, and the dedicated needle portion 32 is inserted into the cylindrical needle portion 31 via the insertion portion 33, thereby forming the cylindrical needle portion 31. The guide hole 30a in the needle part 31 is closed. The diameter D ₁ of the large portion 32a formed at the rear end of the cowpea shaped needle portion 32 is formed on a large enough than the diameter of the insertion portion 33, to close the insertion portion 33 by the enlarged portion 32a It is configured to be able to.
[0011]
Next, a case where puncturing is actually performed on a human or animal organ in the above-described configuration will be described. In this embodiment, a case will be described in which an ovarian tumor of a human body is used as a punctured site.
First, as shown in FIGS. 11 to 13, the laparoscope 41 is inserted into the wall body 40 and inflated while supplying gas, so that the cylindrical first trocar 42 is erected. The puncture device 20 according to the present invention is inserted into the wall 40 through the first trocar 42 as shown in FIGS. 12 and 13, and only the inner first tubular body 9 is pushed as shown in FIG. Then, since the umbrella-shaped portion 1 comes out of the second cylindrical body 11, the umbrella-shaped portion 1 is opened from the contracted state to the original umbrella shape.
[0012]
In the above-described state, as shown in FIG. 15, for example, ovarian tumors (other organs) are used by using drying means 44 for supplying dry air or gas through the second trocar 43 inserted into the wall 40 from another direction. The surface of the to-be-punctured part 45 composed of the punctured part 45 is dried, the drying means 44 is pulled out from the second trocar 43, and a cutting means 46 composed of scissors is inserted into the wall 40 instead. As shown, when the bag 2 is broken by incision or perforation, the adhesive 7 is supplied onto the punctured portion 45. The adhesive 7 is previously injected into the bag 2 immediately before the operation.
[0013]
Next, when the puncture device 20 is pushed into the wall 40 as shown in FIGS. 18 and 19, the umbrella-shaped portion 1 is fixed to the surface 45 a of the punctured portion 45 via the adhesive 7. In this state, as shown in FIGS. 20 and 21, when the needle 30 is inserted into the puncture device 20, as shown in FIGS. 22 and 23, the needle 30 passes through the elastic holder 3 and The tip of body 30 is inserted into punctured portion 45.
[0014]
In the state described above, only the dedicated needle portion 32 is pulled out from the cylindrical needle portion 31, and the suction body 50 is inserted into the insertion portion 33 of the cylindrical needle portion 31 as shown in FIGS. Is performed, the liquid and the like in the punctured portion 45 are sucked into the suction body 50, and the sampling is completed.
[0015]
After the above-mentioned suction is completed, the cylindrical needle part 31 is also pulled out, and then, as shown in FIGS. 26 to 28, the cutting means 46 made of the scissors is again inserted into the wall body 40, and is fixed to the punctured part 45. By cutting the recessed groove 3c of the elastic holder 3 that has become a state, only a part of the elastic holder 3 and the umbrella-shaped portion 1 are fixed to the punctured part 45. In this case, the punctured part 45 Is also smaller than at the beginning. In this case, since the hole 3a remaining after the needle body 30 is pulled out is closed by the elastic contraction action, leakage of the liquid or the like in the punctured part 45 to the outside (that is, in the abdomen) can be prevented.
[0016]
Next, after the benign / malignant diagnosis of the liquid or the like of the punctured portion 45 is determined and the surgical procedure is determined, in the case of benignness, the punctured portion 45 is removed as shown in FIGS. The umbrella-like portion 1 and the like remaining together with the punctured portion 45 are removed outside the body. If the liquid or the like is malignant, the punctured portion 45 is wrapped in a bag (not shown) and then cut off to prevent the liquid and the like from scattering into the abdomen. Therefore, in the case of a malignant tumor, metastasis to another organ due to leakage of the liquid can be prevented.
[0017]
As another embodiment, a camera 60 can be inserted into the punctured part 45 and an internal diagnosis can be performed on the monitor television 61 as shown in FIG.
[0018]
Further, as shown in FIG. 32, a known sample take-out body 70 is inserted in place of the camera 60, and the remote control 71 operates the sample take-out body 70 so that the biological sample in the puncture target part 45 can be externalized. Can also be taken out.
In the above-described embodiment, the case of the operation on the human body has been described. However, it is needless to say that the present invention is not limited to the human body and can be similarly applied to animals.
[0019]
【The invention's effect】
Puncture TogeSo location according to the present invention, since it is constructed as described above, it is possible to obtain the following effects.
That is, the umbrella-shaped portion having the elastic holder is adhered to the punctured portion via an adhesive, and the needle is inserted through the elastic holder. Is contracted and closed, and leakage of liquid and the like in the punctured part to the outside can be prevented.
In addition, a camera and a sample take-out body can be inserted through the needle body, and a wide range of applications in the medical field can be achieved.
[Brief description of the drawings]
FIG. 1 is a sectional view showing a main part of a puncturing apparatus according to the present invention.
FIG. 2 is a configuration diagram in which a first cylindrical body is provided in FIG. 1;
FIG. 3 is a configuration diagram showing a second cylindrical body.
FIG. 4 is a sectional view of a main part of FIG. 1;
FIG. 5 is a cross-sectional view of the puncture device.
FIG. 6 is a sectional view showing a cylindrical needle portion of the needle body.
FIG. 7 is a sectional view showing a dedicated needle part.
FIG. 8 is a sectional view showing a needle body.
9 is a block diagram showing a puncture thorns.
10 is a block diagram showing a puncture thorns.
11 is a block diagram showing a puncture thorns.
FIG. 12 is a longitudinal sectional view showing a state before puncturing.
FIG. 13 is a cross-sectional view of FIG.
FIG. 14 is a longitudinal sectional view showing a state before puncturing.
FIG. 15 is a cross-sectional view of FIG.
FIG. 16 is a longitudinal sectional view showing cutting of a bag portion.
FIG. 17 is a cross-sectional view of FIG.
FIG. 18 is a longitudinal sectional view showing a state in which the umbrella-shaped part is adhered to the punctured part.
19 is a cross-sectional view of FIG.
FIG. 20 is a longitudinal sectional view showing a state immediately before puncturing.
21 is a cross-sectional view of FIG.
FIG. 22 is a longitudinal sectional view showing a puncturing state.
FIG. 23 is a cross-sectional view of FIG.
FIG. 24 is a longitudinal sectional view showing a suction state.
FIG. 25 is a transverse sectional view of FIG. 24.
FIG. 26 is a longitudinal sectional view showing a state in which the needle body has been removed after suction.
FIG. 27 is a cross-sectional view showing a state before cutting the elastic holder.
FIG. 28 is a transverse sectional view showing the cut state of FIG. 27;
FIG. 29 is a longitudinal sectional view showing the state after removing the puncture device.
30 is a transverse sectional view of FIG. 29.
FIG. 31 is a cross-sectional view showing an example using a camera.
FIG. 32 is a cross-sectional view showing an example using a sample take-out body.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Umbrella-shaped part 2 Bag part 3 Elastic holding body 4 Cylindrical part 7 Adhesive 9 First cylindrical body 11 Second cylindrical body 30 Needle body 31 Cylindrical needle part 32 Dedicated needle part 40 Wall body 45 Punctured part 60 Camera 70 Sample removal body

Claims (5)

A bag portion (2) formed at an axial position of an umbrella-shaped portion (1) made of a soft material, an elastic holder (3) made of a soft material formed on the bag portion (2), and the elastic holder A screw body (5) connected to (3), a first cylindrical body (9) connected in series to the screw body (5), and a coaxial arrangement at an outer peripheral position of the first cylindrical body (9). A second cylindrical body (11) provided, wherein the umbrella-shaped portion (1) is housed in the second cylindrical body (11) in a state deformed from the umbrella shape. Lancing device. The bag portion (2), the lancing device according to claim 1, wherein the adhesive (7) is accommodated. The puncture device according to claim 1 or 2, wherein a cylindrical portion (4) is fitted around an outer periphery of the elastic holder (3). The cone-shaped part (1) lancing device according to any one of claims 1 to 3, characterized in that it consists of silicone rubber. A needle (30) inserted into the elastic holder (3); the needle (30) is coaxially inserted into the cylindrical needle (31) and the cylindrical needle (31); The puncture device according to any one of claims 1 to 4 , comprising a dedicated needle portion (32) provided.

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