JPH07313513A - Paracentetic method and device thereof - Google Patents

Abstract

PURPOSE:To enable suction of a sample from internal organs and inspection of an internal condition without leaking liquid or the like outside in the internal organs of the human body or an animal or the like. CONSTITUTION:An elastic holding body 3 having an umbrella-shaped part 1 and a bag part 2 is moved onto a paracentetic object part, and an adhesive 7 in the bag part 2 is supplied onto the paracentetic object part, and the umbrella-shaped part is adhered. Paracentesis is performed through the elastic holding body 3, and leakage of liquid or the like from the paracentetic object part is prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a puncture method and device, and more particularly to a method for aspirating a sample in an organ and inspecting an internal condition thereof without leaking liquid or the like in an organ such as a human body or animal to the outside. Regarding new improvements.

[0002]

2. Description of the Related Art As a conventional puncture method of this type, generally, an injection needle is punctured into a portion to be punctured such as an organ, liquid inside is aspirated, and a pathological examination of this liquid is performed. I was going.

[0003]

Since the conventional puncture method is constructed as described above, there are the following problems. That is, when the injection needle is pulled out after the injection needle is pierced into the punctured portion to suck the liquid and the like, the hole when the injection needle is punctured remains in the punctured portion, so that the liquid or the like is not discharged from the hole. In some cases, it leaked inward and in the case of malignant liquid, it metastasized to other organs.

The present invention has been made in order to solve the above problems, and in particular, aspiration of a sample in an organ and an internal state without leaking liquid or the like in an organ such as a human body or an animal to the outside. It is an object of the present invention to provide a puncture method and device adapted to perform the above-mentioned inspection.

[0005]

According to the puncture method of the present invention, an elastic holder provided with an umbrella-shaped portion made of a flexible material and having a bag portion is moved onto a portion to be punctured, and the bag portion is incised or punched. To supply the internal adhesive to the portion to be punctured to adhere the umbrella-shaped portion to the portion to be punctured, penetrate the elastic holder and insert the needle body into the portion to be punctured to the outside. This is a method of preventing the liquid inside the puncture portion from leaking to the outside by the restoring operation of the elastic holding body after the drawing.

More specifically, the umbrella-shaped portion is deformed to a smaller size than the original shape through the second tubular body, and the tubular body is provided with a wall body located in front of the portion to be punctured. It is a method of inserting through.

More specifically, it is a method of sucking the liquid in the portion to be punctured through the needle body.

More specifically, it is a method of observing the inside of the body to be punctured by inserting a camera through the needle body.

More specifically, it is a method of inserting a sample take-out body through the needle body and taking out a part of the body to be punctured by the sample take-out body.

More specifically, the elastic holder is left on the part to be punctured after cutting.

In the puncture device according to the present invention, a bag portion formed at an axial center position of an umbrella-shaped portion made of a flexible material, an elastic holding body made of a flexible material formed in the bag portion, and connected to the elastic holding body. The threaded body, a first tubular body connected in series to the threaded body, and a second tubular body coaxially arranged at an outer peripheral position of the first tubular body, wherein the umbrella-shaped portion is It is configured to be accommodated in the second cylindrical body in a state of being deformed from the umbrella shape.

More specifically, an adhesive is contained in the bag portion.

More specifically, a cylindrical portion is fitted around the elastic holder.

More specifically, the bag portion and the elastic holder are constructed so that they can be cut.

More specifically, the umbrella-shaped portion is made of silicon rubber.

More specifically, it has a needle body inserted into the elastic holding body, and the needle body comprises a tubular needle portion and a rod-shaped needle portion coaxially inserted into the tubular needle portion. It is a composition.

[0017]

In the puncture method and device according to the present invention, when the puncture device is inserted through the hole formed in the wall of the human body or the animal and only the first tubular body is pushed in, the umbrella-shaped portion and the bag portion are removed. Second
The umbrella-shaped portion projects from the tubular body, and the umbrella-shaped portion spreads from the contracted state to the original umbrella-shaped. In this state, after the puncture portion is dried by the drying means inserted from another direction, the adhesive in the bag portion has a thickness of about 0.1 to 0.1 on the puncture portion by incising or punching by the cutting means. Supplied in a film form at 0.2 mm. When the entire device is pushed inward in the above-mentioned state, the umbrella-shaped portion is closely fitted to the portion to be punctured and the both are integrated by the action of the adhesive. Next, when the needle body is inserted into the first tubular body, the needle body pierces the elastic holder and penetrates the part to be punctured. In this state, only the rod-shaped needle portion is pulled out from the tubular needle portion, and the suction body is inserted into the head of the tubular needle portion and sucked, whereby the liquid or the like in the punctured portion can be sucked and taken out. After this suction work is completed,
When the elastic holder is immediately cut, both the umbrella-shaped portion and a part of the elastic holder remain on the part to be punctured, and the elastic holder contracts and restores to its original state. The holes are eliminated, and the holes formed in the part to be punctured are also completely closed by this elastic holder, so that the liquid inside can be prevented from leaking to the outside. Therefore, in the case of a malignant tumor, metastasis to other organs due to leakage can be prevented. When a camera or a sample extractor is inserted instead of the aspirator described above, observation of the inside of the puncture site and removal of the biological sample can be performed.

[0018]

The preferred embodiments of the puncture method and device according to the present invention will now be described in detail with reference to the drawings. FIG. 1 shows the main part of the puncture device, and the reference numeral 1 in FIG. 1 is an umbrella-shaped part made of silicon rubber or the like and having an umbrella shape. Shaped bag portion 2 is integrally formed, and an elastic holder 3 having a substantially cylindrical shape is integrally formed downward in the bag portion 2. The bag portion 2, the umbrella-shaped portion 1 and the elastic holder 3 are either integrally formed or integrally joined by separate parts.

A cylindrical body 4 made of aluminum or the like having corrosion resistance is fitted on the outer circumference of the elastic holder 3 and pressure is applied to the elastic holder 3 from the outer peripheral side by the cylindrical body 4. Hole 3 formed after puncturing with a needle body or the like described later
It is configured so that a can be crushed by contraction and restored to its 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. Immediately before use, an adhesive agent 7 made of surgical Aron Alpha or the like is injected into the bag portion 2 by an injector 6.

The screw body 5 is made of corrosion-resistant aluminum or the like and has an outer diameter slightly larger than that of the screw body 5, and a first tubular body 9 having a first handle 8 is screwed in series. Are connected together. As shown in FIG. 5, the first tubular body 9 connected to the elastic holding body 5 has the second handle 10 shown in FIG. 3, and the second tubular body 9 is entirely made of aluminum or the like having corrosion resistance. It is inserted coaxially in the inside of 11. 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 contracted and deformed to a smaller size than the original shape, and the second tubular body 11 is formed. It is in a state of being housed inside. The umbrella-shaped body 1 and the bag portion 2
As shown in FIG. 4, the elastic holder 3 is integrally made of silicon rubber or the like, and the elastic holding body 3 is made of rubber, resin, or the like having excellent contractility and is bonded to each other. In addition, each of the cylindrical bodies 9 and 1
No. 1 is not limited to aluminum, and resin molding is also possible.

6 to 8 show the needle body 30 used in the puncture device 20 shown in FIG. 5 described above. FIG. 6 shows a cylindrical needle portion 31, and FIG. 7 shows this cylindrical shape. The rod-shaped needle part 32 for inserting in the needle part 31 is shown. A tapered insertion portion 33 is formed at the rear end of the cylindrical needle portion 31, and the rod-shaped needle portion 32 is connected to the cylindrical needle portion 31 via the insertion portion 33.
The guide hole 30a in the cylindrical needle portion 31 is closed by being inserted therein. Further, the diameter D ₁ of the expanded portion 32a formed at the rear end of the rod-shaped needle portion 32 is formed sufficiently larger than the diameter of the insertion portion 33, and the insertion portion 33 can be closed by the expanded portion 32a. It is configured to be able to.

Next, the case of actually puncturing an organ of a human body or an animal with the above-mentioned configuration will be described.
In this example, a case where an ovarian tumor of a human body is used as the puncture site will be described. First, FIG. 11 to FIG.
As shown by, the laparoscope 41 is inserted into the wall body 40 to expand while supplying gas, and the cylindrical first trocar 42 is set up. The puncture device 20 according to the present invention is inserted through the first trocar 42 into the wall body 40 as shown in FIGS. 12 and 13.
When inserted inside and pushing only the inner first tubular body 9 as shown in FIG. 14, the umbrella-shaped portion 1 comes out from the inside of the second tubular body 11, so that the umbrella-shaped portion 1 shrinks. The original umbrella shape is released from the state.

In the above-mentioned state, as shown in FIG. 15, for example, an ovarian tumor (using the drying means 44 for supplying dry air or gas through the second trocar 43 inserted into the wall 40 from another direction) ( 16 is obtained by drying the surface of the part to be punctured 45 made of other organs), pulling out the drying means 44 from the second trocar 43, and inserting the cutting means 46 made of scissors into the wall 40 instead. Then, as shown in FIG. 17, when the bag portion 2 is broken by incision, perforation or the like, the adhesive 7 is supplied onto the portion to be punctured 45. The adhesive 7 is injected in advance into the bag portion 2 immediately before the operation.

Next, the puncture apparatus 20 will be described with reference to FIGS.
When it is pushed into the wall body 40 as shown in, the umbrella-shaped portion 1 is fixed to the surface 45a of the punctured portion 45 via the adhesive 7. In this state, as shown in FIGS. 20 and 21, when the needle body 30 is inserted into the puncture device 20, FIGS.
As shown by, the needle body 30 penetrates the elastic holding body 3 and the tip of the needle body 30 is inserted into the punctured portion 45.

In the above-mentioned state, only the rod-shaped needle portion 32 is pulled out from the tubular needle portion 31, and inserted into the insertion portion 33 of this tubular needle portion 31.
As shown in FIGS. 24 and 25, when the suction body 50 is inserted and suction is performed, the liquid or the like in the punctured portion 45 is sucked into the suction body 50, and the sample collection is completed.

After completion of the above-mentioned suction, the tubular needle portion 31 is also pulled out, and then the cutting means 46 composed of the above-mentioned scissors is again inserted into the wall body 40 as shown in FIGS. The concave groove portion 3c of the elastic holding body 3 fixed to the
By cutting the elastic holder 3 and the umbrella-shaped portion 1
Only the portion to be punctured is fixed to the punctured portion 45, and in this case, the shape of the punctured portion 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 its elastic contraction action, the part to be punctured 45 is punctured.
It is possible to prevent leakage of liquid in the inside to the outside (that is, in the abdomen).

Next, after the benign or malignant diagnosis of the liquid or the like in the punctured portion 45 is found and the operation method is determined, in the case of benign, as shown in FIGS. 29 and 30, the punctured portion is punctured. Part 45
Is removed, and the umbrella-shaped portion 1 and the like remaining with the portion to be punctured 45 are removed outside the body. If the liquid or the like is malignant, the part to be punctured 45 is wrapped in a bag (not shown) and then cut off to prevent the liquid or the like from scattering in the abdomen. Therefore,
In the case of malignant tumor, it is possible to prevent metastasis to other organs due to leakage of liquid.

As another embodiment, the suction body 50
Alternatively, as shown in FIG. 31, the camera 60 can be inserted into the part to be punctured 45 and the monitor TV 61 can perform an internal diagnosis.

Further, as shown in FIG. 32, the camera 6
By inserting a well-known sample extractor 70 instead of 0 and operating this sample extractor 70 with the remote controller 71, the biological sample in the puncture portion 45 can be extracted to the outside. In addition, in the above-mentioned embodiment, although the case of the operation of the human body is described, it is needless to say that the present invention is not limited to the human body and can be similarly applied to the animal.

[0030]

Since the puncture method and device according to the present invention are configured as described above, the following effects can be obtained. That is, since the umbrella-shaped portion having the elastic holding body is adhered to the part to be punctured with an adhesive and the needle body is inserted through the elastic holding body, the hole of the elastic holding body is drawn after the needle body is pulled out. Can be contracted and closed to prevent leakage of liquid or the like in the part to be punctured to the outside. Further, 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 drawings]

FIG. 1 is a sectional view showing a main part of a lancing device according to the present invention.

FIG. 2 is a configuration diagram in which a first tubular body is provided in FIG.

FIG. 3 is a configuration diagram showing a second tubular body.

FIG. 4 is a cross-sectional view of a main part of FIG.

FIG. 5 is a sectional view of the lancing device.

FIG. 6 is a cross-sectional view showing a tubular needle portion of a needle body.

FIG. 7 is a cross-sectional view showing a rod-shaped needle portion.

FIG. 8 is a cross-sectional view showing a needle body.

FIG. 9 is a configuration diagram showing a puncture method.

FIG. 10 is a configuration diagram showing a puncture method.

FIG. 11 is a configuration diagram showing a puncture method.

FIG. 12 is a vertical sectional view showing a state before puncturing.

13 is a cross-sectional view of FIG.

FIG. 14 is a vertical sectional view showing a state before puncturing.

15 is a cross-sectional view of FIG.

FIG. 16 is a vertical cross-sectional view showing cutting of the bag portion.

17 is a cross-sectional view of FIG.

FIG. 18 is a vertical cross-sectional view showing a state in which the umbrella-shaped portion is adhered to the portion to be punctured.

19 is a cross-sectional view of FIG.

FIG. 20 is a vertical sectional view showing a state immediately before puncturing.

21 is a cross-sectional view of FIG.

FIG. 22 is a vertical sectional view showing a punctured state.

23 is a cross-sectional view of FIG. 22.

FIG. 24 is a vertical sectional view showing a suction state.

25 is a cross-sectional view of FIG. 24.

FIG. 26 is a vertical cross-sectional view showing a state in which the needle body is removed after suction.

FIG. 27 is a cross-sectional view showing a state before cutting the elastic holding body.

28 is a cross-sectional view showing the cut state of FIG. 27. FIG.

FIG. 29 is a vertical cross-sectional view showing the state after removing the puncture device.

30 is a cross-sectional view of FIG. 29.

FIG. 31 is a cross-sectional view showing an example of 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 part 2 Bag part 3 Elastic holding body 4 Cylindrical part 7 Adhesive 9 1st cylindrical body 11 2nd cylindrical body 30 Needle body 31 Cylindrical needle part 32 Rod-like needle part 40 Wall body 45 Punctured part 60 Camera 70 Sample extractor

Claims (12)

[Claims] 1. An elastic holder (3) provided on an umbrella-shaped part (1) made of a flexible material and having a bag part (2) is moved onto a part to be punctured (45) to remove the bag part (2). Incision or perforation is performed to supply the internal adhesive (7) onto the part to be punctured (45) to bond the umbrella-shaped part (1) onto the part to be punctured (45), and the elastic holder ( After penetrating 3) and inserting the needle body (30) into the part to be punctured (45) and pulling it out, the restoring operation of the elastic holding body (3) causes the inside of the part to be punctured (45) to be restored. A puncturing method, which prevents leakage of liquid to the outside. 2. The umbrella-shaped portion (1) is deformed to a smaller size than the original shape through the second tubular body (11), and the second tubular body (11) is placed in the puncture portion. The puncture method according to claim 1, wherein the puncture method is performed through a wall body (40) located in front of the (45). 3. The part to be punctured (45) through the needle body (30)
The puncture method according to claim 1 or 2, wherein the liquid inside is sucked. 4. The puncture method according to claim 1, wherein a camera (60) is inserted through the needle body (30) and the inside of the body to be punctured (45) is observed. 5. A sample take-out body (7) through the needle body (30).
3. The puncture method according to claim 1 or 2, wherein (0) is inserted and a part of the body (45) to be punctured is taken out by the sample take-out body (70). 6. The puncture method according to claim 1, wherein the elastic holder (3) is left on the part to be punctured (45) after cutting. 7. A bag portion (2) formed at an axial center position of an umbrella-shaped portion (1) made of a flexible material, and an elastic holder (3) made of a flexible material formed in the bag portion (2). A screw body (5) connected to the elastic holding body (3), a first tubular body (9) connected in series to the screw body (5), and a first tubular body (9) A second tubular body (11) coaxially arranged at an outer peripheral position, and the umbrella-shaped portion (1) is accommodated in the second tubular body (11) in a state of being deformed from the umbrella shape. A lancing device characterized by the above. 8. The puncture device according to claim 7, wherein the bag portion (2) contains an adhesive (7). 9. The puncture device according to claim 7, wherein a cylindrical portion (4) is fitted around the outer circumference of the elastic holding body (3). 10. The puncture device according to claim 7, wherein the bag portion (2) and the elastic holding body (3) are configured to be cuttable. 11. The puncture device according to claim 7, wherein the umbrella-shaped portion (1) is made of silicone rubber. 12. A needle body inserted in the elastic holding body (3)
(30), the needle body (30) comprises a tubular needle portion (31) and a rod-shaped needle portion (32) coaxially inserted into the tubular needle portion (31). The puncture device according to any one of claims 7 to 11, which is characterized.