CN211156110U - Cannula device for puncture through abdominal cavity and retroperitoneal wall - Google Patents

Abstract

The utility model discloses a sleeve device for puncturing in abdominal cavity and retroperitoneal cavity through front abdominal wall, which comprises a transparent needle tube, a blunt end, a puncture needle core, a sharp-pointed end, a developing strip, a needle seat, a scale strip, a needle handle, an exhaust port, an exhaust pipe, an air valve, a holding part, a lining core seat and an installation lining core, wherein the top of the needle seat is provided with the transparent needle tube; the sleeve device can directly support a focus part under the protection of the puncture sleeve, ensures that the puncture path does not have the tissue structure damage of important visceral organs, blood vessels and the like, improves the safety of patients and reduces the risk born by operators.

Description

A cannula device for abdominal cavity and retroperitoneal puncture through anterior abdominal wall

technical field

The utility model relates to the field of medical apparatus and equipment, in particular to a cannula device used for abdominal cavity and retroperitoneal puncture through anterior abdominal wall.

Background technique

When routine biopsy or treatment of deep abdominal tissue and retroperitoneal tissue is performed, since the front end structure of the cannula used for puncture is a pointed structure, the observation effect during puncture is not ideal, because the abdominal organs, especially the intestinal canal, are not ideal. There are various risks in the blocking of blood vessels, which may cause dislocation during puncture, resulting in unexpected risks such as gastrointestinal perforation, arteriovenous hemorrhage, etc. Therefore, it is very important to design a cannula device for abdominal cavity and retroperitoneal puncture through the anterior abdominal wall. Necessary.

Utility model content

The purpose of the present utility model is to provide a cannula device for puncturing the abdominal cavity and the retroperitoneum through the anterior abdominal wall, so as to solve the problems raised in the above-mentioned background technology.

The purpose of the present utility model can be achieved through the following technical solutions:

A cannula device for abdominal cavity and retroperitoneal puncture through the anterior abdominal wall, comprising a transparent needle tube, a blunt end, a puncture needle core, a pointed end, a developing strip, a needle seat, a scale strip, a needle handle, an exhaust port, An exhaust pipe, an air valve, a holding part, a lining seat and an installation lining, the top of the needle seat is provided with a transparent needle tube, the inner bottom of the transparent needle tube is fixedly installed with a needle handle, and the top of the needle handle is connected A puncture needle core is installed, and the top of the puncture needle core is provided with a pointed end, one side of the needle handle is provided with an exhaust port, and an exhaust pipe is connected and installed in the exhaust port, and the bottom of the needle seat is connected and installed There is a holding part, one side of the holding part is provided with an air valve, and the exhaust pipe is fixedly connected with one end of the air valve through the transparent needle tube, the needle seat, and the holding part.

As a further solution of the present invention, one side of the transparent needle tube is provided with a blunt end.

As a further solution of the present invention, the inner wall of the transparent needle tube is fitted with a developing strip, and the developing strip is filled with a developing agent.

As a further solution of the present invention, a scale bar is etched on the outer side of the transparent needle tube.

As a further solution of the present invention: the bottom of the holding part is connected with a liner seat, the inner part of the liner seat is connected with a mounting liner, and the top of the mounting liner passes through the grip part, the needle seat , The transparent needle tube and the needle handle are connected with the bottom of the puncture needle core.

The beneficial effects of the utility model are as follows: the cannula device used for abdominal cavity and retroperitoneal puncture through the anterior abdominal wall has a simple structure. The developing strip is installed together. With the cooperation of the developer, it can be easily developed by the developing machine, so that the position of the puncture can be easily identified, and then the depth of the puncture can be easily adjusted through the scale bar on the transparent needle tube. This device is suitable for B Ultrasound, CT imaging equipment-guided abdominal puncture biopsy or implanted particle therapy, etc., under the protection of the puncture cannula, directly to the lesion site, to ensure that the puncture path will not damage important organs, blood vessels and other tissue structures, improve the patient's health. Safety, but also reduce the risk borne by the operator.

Description of drawings

In order to facilitate the understanding of those skilled in the art, the present utility model will be further described below with reference to the accompanying drawings.

Fig. 1 is the overall sectional view of the utility model;

2 is a partial cross-sectional view of the utility model;

In the picture: 1, transparent needle tube; 2, blunt end; 3, puncture needle core; 4, pointed end; 5, developing bar; 6, needle seat; 7, scale bar; 8, needle handle; 9, exhaust 10. Exhaust pipe; 11. Air valve; 12. Holding part; 13. Liner seat; 14. Install liner.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figure 1-2, a cannula device for abdominal cavity and retroperitoneal puncture through the anterior abdominal wall, comprising a transparent needle tube 1, a blunt end 2, a puncture needle core 3, a pointed end 4, a developing strip 5, Needle seat 6, scale bar 7, needle handle 8, exhaust port 9, exhaust pipe 10, air valve 11, holding part 12, liner seat 13 and installation liner 14, the top of the needle seat 6 is provided with a transparent needle tube 1. One side of the transparent needle tube 1 is provided with a blunt end 2. The blunt end 2 can ensure that during the puncture, the puncture path will not cause damage to important organs, blood vessels and other tissue structures; A developing strip 5 is installed together, and the developing strip 5 is filled with a developer, and the developer inside the developing strip 5 can facilitate development, so that the puncture position of the device can be easily observed, avoiding accidental risks, resulting in puncture errors. The outer side of the transparent needle tube 1 is etched with a scale bar 7, which is convenient to observe the distance of puncture, adjust the puncture position, and improve the safety of use; the inner bottom of the transparent needle tube 1 is fixedly installed with a needle handle 8, and the top of the needle handle 8 The puncture needle core 3 is connected and installed, and the top of the puncture needle core 3 is provided with a pointed end 4, and one side of the needle handle 8 is provided with an exhaust port 9, and an exhaust pipe 10 is connected and installed in the exhaust port 9. The bottom of the seat 6 is connected and installed with a holding part 12, one side of the holding part 12 is provided with an air valve 11, and the exhaust pipe 10 passes through the transparent needle tube 1, the needle seat 6, the holding part 12 and one end of the air valve 11 Fixed connection, the bottom of the holding part 12 is connected with the liner seat 13, the inner part of the liner seat 13 is connected with the installation liner 14, and the top of the installation liner 14 passes through the grip part 12, the needle seat 6, the transparent The needle tube 1 and the needle handle 8 are connected to the bottom of the puncture needle core 3 , which is beneficial to improve the support stability of the puncture needle core 3 .

The working principle of the present utility model: during puncturing, the device can be pinched and held by the holding part 12 at the bottom of the needle holder 6; the blunt end 2 on one side of the transparent needle tube 1 can effectively avoid the In the case of a puncture injury caused by the internal organ structure, the puncture can be performed through the pointed end 4 at the top of the puncture needle core 3, and the developer inside the developing strip 5 can facilitate the identification of the transparent needle tube 1 and the puncture needle core under the action of the developing machine. 3 position, through the scale bar 7 on the transparent needle tube 1, the puncture depth of the puncture needle core 3 can be easily adjusted; when the air pressure at the puncture site is too high or too low, open the air valve 11 on the side of the grip 12 , so that it can be communicated with the outside air through the exhaust port 9 on the side of the needle handle 8 and the exhaust pipe 10, so that the air pressure can be balanced; .

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A cannula device used for puncturing abdominal cavity and retroperitoneum through the front abdominal wall is characterized by comprising a transparent needle tube (1), a blunt end (2), a puncture needle core (3), a sharp puncture end (4), a developing strip (5), a needle seat (6), a scale strip (7), a needle handle (8), an exhaust port (9), an exhaust pipe (10), an air valve (11), a holding part (12), a lining core seat (13) and an installation lining core (14), wherein the top of the needle seat (6) is provided with the transparent needle tube (1), the inner bottom of the transparent needle tube (1) is fixedly provided with the needle handle (8), the top of the needle handle (8) is connected with the puncture needle core (3), the top of the puncture needle core (3) is provided with the sharp puncture end (4), one side of the needle handle (8) is provided with the exhaust port (9), and the exhaust pipe (10) is connected and installed in the exhaust port (9), the bottom of the needle seat (6) is connected with a holding part (12), one side of the holding part (12) is provided with an air valve (11), and the exhaust pipe (10) penetrates through the transparent needle tube (1), the needle seat (6), the holding part (12) and one end of the air valve (11) to be fixedly connected.

2. Cannula device for retroperitoneal and intraperitoneal puncture according to claim 1, wherein one side of the transparent needle tube (1) is provided with a blunt end (2).

3. The cannula device for the retroperitoneal and intraperitoneal puncture through the anterior abdominal wall according to claim 1, wherein the inner wall of the transparent needle tube (1) is attached with a developing strip (5), and the developing strip (5) is filled with a developing agent.

4. Cannula device for retroperitoneal and retroperitoneal puncture according to claim 1, characterized in that the outer side of the transparent needle tube (1) is etched with a scale (7).

5. The cannula device for the retroperitoneal and intraperitoneal puncture through the front abdominal wall according to claim 1, wherein a lining core seat (13) is connected and installed at the bottom of the holding part (12), an installation lining core (14) is connected and installed inside the lining core seat (13), and the top of the installation lining core (14) penetrates through the holding part (12), the needle seat (6), the transparent needle tube (1) and the needle handle (8) to be connected with the bottom of the puncture needle core (3).

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