JP3633093B2 - Puncture device - Google Patents

Description

[0001]
[Industrial application fields]
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 puncture TogeSo location of this type which has been used, in general, 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 barb device, since it is constructed as described above, the following problems were present.
That is, when the injection needle is pulled out after the injection needle is punctured into the puncture portion and then the injection needle is pulled out, the hole when the injection needle is punctured remains in the puncture portion, so that the liquid etc. Leaked into the body and in the case of malignant fluid, it could spread to other organs.
[0004]
The present invention has been made in order to solve the above-described problems. In particular, the sample in the organ is inspected and the internal state is inspected without leaking the liquid in the organ such as a human body or an animal to the outside. and to provide a puncture TogeSo location which to perform.
[0005]
[Means for Solving the Problems]
Puncture TogeSo location according to the present invention includes a cylindrical body disposed in a central axial position of the umbrella-like portion made of at least a flexible material, and a seal portion provided on the cylindrical body, the serially connected to the cylindrical body It is composed of one cylindrical body, and the seal portion has a gap containing ethyl alcohol, and the film surface of the first film of the seal portion is provided so as to be continuous with the inner surface of the umbrella-shaped portion. It is the composition which is.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
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 the main part of the puncture device, and what is denoted by reference numeral 1 in FIG. 1 is an umbrella-like part made of urethane rubber or the like and forms an umbrella shape. The umbrella-like part 1 and the seal part 3A are hermetically sealed. Is formed. In addition, this cylinder 3, the umbrella-shaped part 1, and the seal | sticker part 3A are comprised by either integral molding or integral joining by another component. The seal portion 3A is made of, for example, urethane rubber or silicon rubber, and includes first and third films 3Aa and 3Ac provided at both ends in the axial direction and a second film 3Ab located in the middle as shown in FIG. Thus, a cross-shaped cut 3B is formed in the second film 3Ab so that a needle or the like described later can be easily penetrated. The seal portion 3A is not limited to three layers, and may be two layers. Ethyl alcohol (alcohol is also acceptable) is contained in the gap 3a of the seal portion 3A, and this alcohol is injected from the first film 3Aa side with the injection needle before use.
The cylindrical body 3 is provided with a cylindrical threaded body 5 made of corrosion-resistant aluminum or the like. Further, as shown in FIG. 31, the seal portion 3A has a film surface 3Ad of the first film 3Aa that is continuous with the inner surface 1E of the umbrella-shaped portion 1, and this film surface 3Ad forms the inner bottom surface of the umbrella-shaped portion 1. The adhesive 7 can be applied to the film surface 3Ad.
[0007]
The screw body 5 is made of corrosion-resistant aluminum or the like and has an outer diameter substantially the same as that of the screw body 5 and is connected to a first cylindrical body 9 having a first handle 8 screwed in series. Has been. The first cylindrical body 9 only needs to be directly or indirectly connected to the cylindrical body 3, and can be either integral or separate.
As shown in FIG. 4, the first cylindrical body 9 connected to the elastic holding body 5 has a second handle 10 and is coaxial within a second cylindrical body 11 made entirely of corrosion-resistant aluminum or the like. It is inserted in a shape. Therefore, the puncture apparatus 20 according to the present invention is completed in the state shown in FIG. 4, and in this state, the umbrella-shaped portion 1 is contracted and deformed to be smaller than the original shape, thereby causing the second cylindrical body 11 to be reduced. It becomes the state accommodated in. As shown in FIG. 1, the umbrella-shaped portion 1 is made of urethane rubber or the like, and the cylindrical body 3 is made of silicon rubber, resin, or the like.
[0008]
Next, the configuration shown in FIGS. 5 to 7 shows the needle body 30 used in the puncture apparatus 20 shown in FIG. 4. FIG. 5 shows the cylindrical needle portion 31, and FIG. 6 shows the cylindrical needle portion 31. A dedicated needle 32 for insertion therein is shown. 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 through the insertion portion 33. The guide hole 30a in the needle portion 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. The needle body is all silicon-coated.
[0009]
Next, the case where the puncture is actually performed on the human or animal organ in the above-described configuration will be described. In this embodiment, a case where a human ovarian tumor is used as a puncture site will be described.
First, as shown in FIGS. 8 to 12, a laparoscope 41 is inserted into the wall body 40 and inflated while supplying gas, so that the cylindrical first trocar 42 is planted. The puncture apparatus 20 according to the present invention is inserted into the wall body 40 through the first trocar 42 as shown in FIGS. 11 and 12, and only the inner first cylindrical body 9 is pushed as shown in FIG. Then, since the umbrella-shaped part 1 comes out from the inside of the second cylindrical body 11, the umbrella-shaped part 1 is opened from the contracted state to the original umbrella shape. In addition, before using this umbrella-shaped part 1, bactericidal alcohols, such as ethyl alcohol, are injected into the space | gap 3a of the seal | sticker part 3A from the umbrella-shaped part 1 side with the injection needle which is not illustrated.
[0010]
In the above-described state, as shown in FIG. 14, for example, an ovarian tumor (another organ) using a drying means 44 for supplying dry air or gas through a second trocar 43 inserted into the wall body 40 from another direction. The surface of the portion to be punctured 45 is dried, and the drying means 44 is pulled out from the second trocar 43. Instead, as shown in FIG. 15, the wall body is used with an adhesive supply jig 100 or a spatula not shown. When inserted into 40, the adhesive 7 is supplied to the surface 45 a on the puncture portion 45, or the inner surface 1 E and the membrane surface 3 Ad of the umbrella-shaped portion 1.
[0011]
Next, when the puncture device 20 is pushed into the wall body 40 as shown in FIGS. 16 and 17, only the inner surface 1E of the umbrella-shaped portion 1 or the inner surface 1E and the film surface 3Ad of the first film 3Aa are bonded to this adhesive. 7 to adhere to the surface 45 a of the puncture portion 45. In this state, when the needle body 30 is inserted into the puncture device 20 as shown in FIGS. 18 and 19, the needle body 30 penetrates the seal portion 3A as shown in FIGS. The tip of 30 is inserted into the puncture portion 45.
[0012]
In the above-described state, only the dedicated needle part 32 is pulled out from the cylindrical needle part 31, and the suction body 50 is inserted into the insertion part 33 of the cylindrical needle part 31 as shown in FIGS. As a result, the liquid or the like in the portion to be punctured 45 is sucked into the suction body 50, and the sample collection is completed.
[0013]
After completion of the above-described suction, the cylindrical needle portion 31 is also pulled out, and then, as shown in FIGS. 24 to 26, the cutting means 46A made of scissors is inserted into the wall body 40 and is fixed to the puncture portion 45. By cutting the concave groove portion 3c of the cylindrical body 3, only a part of the cylindrical body 3 and the umbrella-shaped portion 1 are fixed to the punctured portion 45. In this case, the shape of the punctured portion 45 is also from the beginning. Is shrinking. In this case, since the hole remaining in the seal portion 3A after the needle body 30 is pulled out is closed by the elastic contraction action, leakage of liquid or the like in the portion to be punctured 45 to the outside (that is, in the abdomen) is prevented. Can be prevented. When the needle body 30 is pulled out, cancer cells and the like attached to the needle body 30 remain in the alcohol in the gap 3a of the seal portion 3A and are fixed in the alcohol to prevent scattering to the outside.
[0014]
Next, after the benign / malignant diagnosis of the liquid to be punctured 45 is found and the surgical procedure is determined, in the case of benign, as shown in FIG. 27 and FIG. After excision, the umbrella-like portion 1 and the like remaining together with the portion to be punctured 45 are removed from the body. When the liquid or the like is malignant, the portion to be punctured 45 is wrapped with a bag (not shown) and then excised to prevent the liquid or the like from scattering into the abdomen. Therefore, metastasis to other organs due to liquid leakage in the case of malignant tumor can be prevented. In addition, in order to avoid that an adhesive agent adheres, it is convenient for the front-end | tip of the above-mentioned needle body 30 to penetrate the seal | sticker part 3A, after carrying out silicon coating beforehand.
[0015]
As another embodiment, instead of the suction body 50, as shown in FIG. 29, a camera 60 can be inserted into the puncture portion 45 and an internal diagnosis can be performed with the monitor television 61.
[0016]
In addition, as shown in FIG. 30, a known sample extractor 70 is inserted in place of the camera 60, and this sample extractor 70 is operated by the remote controller 71, whereby the biological sample in the puncture portion 45 is externally removed. Can also be taken out.
In the above-described embodiment, the case of a human operation has been described. Needless to say, the present invention is not limited to the human body and can be applied to animals. Further, in the above-described embodiment, the case where the operation is performed using the laparoscope 41 has been described. However, when the laparoscope 41 is not used, the second cylindrical body 11 is not necessary, and as shown in FIG. A configuration using the body 3 and the first cylindrical body 9 is used. In addition, the method of attaching the adhesive 7 to the umbrella-shaped part 1 or the surface 1a is not limited to the above, and other means (not shown) can be used.
[0017]
【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-like part is bonded to the puncture part via an adhesive, and the needle body is inserted through this seal part. External leakage of liquid or the like in the puncture site can be prevented.
In addition, a camera and a sample take-out body can be inserted through this needle body, and a wide range of applications in the medical field can be achieved.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a main part of a puncture device according to the present invention.
FIG. 2 is an enlarged cross-sectional view showing a seal portion of FIG.
FIG. 3 is an exploded configuration diagram in which a first cylindrical body is provided in FIG. 1;
FIG. 4 is a configuration diagram showing a second cylindrical body.
FIG. 5 is a cross-sectional view showing a cylindrical needle portion of a needle body.
FIG. 6 is a cross-sectional view showing a rod-shaped needle part.
FIG. 7 is a cross-sectional view showing a needle body.
FIG. 8 is a configuration diagram showing a puncturing method.
FIG. 9 is a configuration diagram showing a puncturing method.
FIG. 10 is a configuration diagram showing a puncturing method.
FIG. 11 is a longitudinal sectional view showing a state before puncturing.
12 is a cross-sectional view of FIG.
FIG. 13 is a longitudinal sectional view showing a state before puncturing.
14 is a cross-sectional view of FIG.
FIG. 15 is a configuration diagram for applying an adhesive;
FIG. 16 is a longitudinal sectional view showing a state where an umbrella-like part is adhered to a puncture part.
17 is a cross-sectional view of FIG.
FIG. 18 is a longitudinal sectional view showing a state immediately before puncturing.
19 is a cross-sectional view of FIG.
FIG. 20 is a longitudinal sectional view showing a puncture state.
21 is a cross-sectional view of FIG.
FIG. 22 is a longitudinal sectional view showing a suction state.
23 is a cross-sectional view of FIG.
FIG. 24 is a longitudinal sectional view showing a state where the needle body is removed after suction.
FIG. 25 is a cross-sectional view showing the state before the elastic holder is cut.
26 is a cross-sectional view showing the cut state of FIG. 25. FIG.
FIG. 27 is a longitudinal sectional view after the puncture device is removed.
FIG. 28 is a cross-sectional view of FIG.
FIG. 29 is a cross-sectional view showing an example using a camera.
FIG. 30 is a cross-sectional view showing an example using a sample take-out body.
31 is a cross-sectional view showing another embodiment of FIG. 2;
[Explanation of symbols]
1 Umbrella-shaped part 1A Plug 1Aa Wire
1E Inner surface 2 Bag part 3 Elastic holding body 3A Seal part
3Aa first film
3Ad Film surface 4 Cylinder 7 Adhesive 9 First cylindrical body 11 Second cylindrical body

Claims (2)

A cylindrical body (3) disposed at an axial center position of the umbrella-shaped part (1) made of at least a flexible material, a seal part (3A) provided in the cylindrical body (3), and the cylindrical body (3) A puncture device comprising a first cylindrical body (9) connected in series to the seal portion, wherein the seal portion (3A) has a gap containing ethyl alcohol. The film surface (3Ad) of the first film (3Aa) of the seal portion (3A) is provided so as to be continuous with the inner surface (1E) of the umbrella-shaped portion (1). Puncture device.

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