CN115252005A - A kind of liver disease detection and sampling device for infectious diseases - Google Patents

Abstract

The invention discloses a liver disease detection and sampling device for infectious department, which comprises a sleeve and a puncture needle, wherein the sleeve is of a hollow structure, a needle core is arranged at the center of the puncture needle, a needle head at the front end of the needle core is a round blunt head and is provided with a plurality of sieve pores, a first end of the sleeve is provided with a first through hole, a second end of the sleeve is provided with a second through hole, the puncture needle passes through the first through hole and the second through hole and is connected with a handle arranged outside the first end of the sleeve, the liver disease detection and sampling device further comprises a connecting rod, one end of the connecting rod is fixed on the outer wall of the puncture needle, the other end of the connecting rod is contacted with the inner wall of the sleeve, and a compression spring is arranged between the connecting rod and the inner wall of one end of the sleeve.

Description

A liver disease detection and sampling device for infection department

technical field

The invention relates to the technical field of medical appliances, in particular to a liver disease detection and sampling device for infectious diseases.

Background technique

The Department of Hepatology is a discipline that intersects with many departments, such as Department of Infectious Diseases, Gastroenterology, Hepatobiliary Surgery and General Surgery. Sampling, the existing puncture sampling devices used in some liver disease departments have poor sampling effect during use, and it is necessary to improve.

Contents of the invention

The object of the present invention is to provide a liver disease detection and sampling device for infection department, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a liver disease detection and sampling device for infectious diseases, including a sleeve and a puncture needle, the sleeve is a hollow structure, and the first end of the sleeve is provided with a first through hole , the second end of the sleeve is provided with a second through hole, the center of the puncture needle is provided with a needle core, the needle head at the front end of the needle core is a round blunt head and has a number of sieve holes, and the puncture needle passes through the first The first through hole and the second through hole are connected with the handle arranged outside the second end of the sleeve;

It also includes a connecting rod. One end of the connecting rod is fixed on the outer wall of the puncture needle, and the other end is in contact with the inner wall of the sleeve. A compression spring is arranged between the connecting rod and the inner wall of the first end of the sleeve.

Preferably, the present application provides a liver disease detection and sampling device for infectious diseases, wherein the compression spring includes an upper spring body, a middle spring body and a lower spring body, and the diameter of the upper spring body and the lower spring body is smaller than that of the middle spring body The diameter of the body, the upper spring body, the middle spring body and the lower spring body are integrally formed.

Preferably, the liver disease detection and sampling device for infectious diseases provided by the present application further includes a positioning sleeve, the positioning sleeve is in the shape of a "face", and the positioning sleeve includes a fixed surface and a positioning column. The positioning column is fixed on both sides of the fixing surface, one end of the positioning column is provided with a convex edge, and the center of the fixing surface is provided with an opening, and the size of the opening matches the size of the first through hole, and the fixing The surface is fixed on the outer wall of the first end of the sleeve.

Preferably, the present application provides a liver disease detection and sampling device for infectious diseases, wherein, the outer wall of the handle is provided with anti-slip lines.

Preferably, the present application provides a liver disease detection and sampling device for infectious diseases, wherein the sleeve is a cylindrical structure, the length of the sleeve is 12cm-18cm, and the diameter is 2cm-3cm.

Preferably, preferably, the present application provides a liver disease detection and sampling device for infectious diseases, wherein the length of the puncture needle is 15cm-20cm.

Preferably, preferably, the present application provides a liver disease detection and sampling device for infectious diseases, wherein the positioning sleeve is a transparent sleeve.

Preferably, preferably, the present application provides a liver disease detection and sampling device for infectious diseases, wherein the number of sieve holes is set to 5-8.

Preferably, the present application provides a sampling device for detection of liver disease for infectious diseases, wherein the method of use comprises the following steps:

A. When puncturing, place the positioning sleeve on both sides of the puncture site;

B. After pressing the handle, the handle drives the needle core to move;

C. Insert the needle at the front end of the needle core into the puncture site and slowly extend into the liver;

D. The sieve hole at the needle scrapes the tissue of the liver lesion and enters the core of the needle;

E. After the puncture, the puncture needle can be automatically reset to complete the sampling.

Compared with the prior art, the beneficial effects of the present invention are: the present invention has a novel structural design, high puncture efficiency, can realize slow puncture, reduces pain of patients, can realize the purpose of puncture sampling at the same time, and also has the advantage of precise positioning and puncture , to further improve the sampling efficiency, wherein, one end of the connecting rod is fixed on the outer wall of the puncture needle, and the other end is in contact with the inner wall of the sleeve, and a compression spring is arranged between the connecting rod and the inner wall of the first end of the sleeve. This structure can realize Slow puncture reduces the pain of the patient, and at the same time, the puncture needle can be automatically reset after the puncture is completed; the positioning sleeve adopted has a "several"-shaped structure. When puncturing, you only need to push the positioning sleeve on both sides of the puncture site It has the advantage of precise positioning and puncture.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of compression spring of the present invention;

Fig. 3 is the structural representation of positioning sleeve of the present invention;

Fig. 4 is a sampling flow chart of the present invention;

In the figure: sleeve 1, puncture needle 2, first end 3, first through hole 4, second end 5, second through hole 6, needle core 7, screen hole 8, handle 9, connecting rod 10, compression spring 11. Upper spring body 12, middle spring body 13, positioning sleeve 14, fixing surface 15, positioning column 16, convex edge 17, opening 18.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "connected", etc. should be understood in a broad sense, such as "connected", which may be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Please refer to Fig. 1-4, the present invention provides a kind of technical solution: a kind of infectious disease detection sampling device for liver disease, comprises sleeve 1 and puncture needle 2, sleeve 1 is cylindrical structure, and the length of described sleeve 1 is 12cm-16cm, with a diameter of 2cm-3cm; the length of the puncture needle 2 is 15cm-20cm; the sleeve 1 is a hollow structure, the first end 3 of the sleeve 1 is provided with a first through hole 4, the sleeve 1 The second end 5 is provided with a second through hole 6, the center of the puncture needle 2 is provided with a needle core 7, and the front end of the needle core 7 is a round blunt needle with a number of sieve holes 8, and the number of sieve holes 8 is set 5-8 pieces; the puncture needle 2 passes through the first through hole 4 and the second through hole 6 to connect with the handle 9 arranged outside the second end 5 of the sleeve 1, and the outer wall of the handle 9 is provided with anti-skid lines 19 ;

Also includes a connecting rod 10, one end of the connecting rod 10 is fixed on the outer wall of the puncture needle 2, and the other end is in contact with the inner wall of the sleeve 1, and a compression spring is arranged between the connecting rod 10 and the inner wall of the first end 3 of the sleeve 1 11. Adopting this structure can realize slow puncture, reduce the pain of the patient, and at the same time, the puncture needle can be automatically reset after the puncture is completed.

Wherein, compression spring 11 comprises upper spring body 12, middle spring body 13 and lower spring body 111, and the diameter of described upper spring body 12 and lower spring body 111 is less than the diameter of middle spring body 13, and described upper spring body 12, middle The spring body 13 and the lower spring body 111 are integrally formed.

In the present invention, a positioning sleeve 14 is also included. The positioning sleeve 14 is in the shape of a "several" shape. The positioning sleeve 14 includes a fixing surface 15 and a positioning column 16. The positioning column 16 is fixed on both sides of the fixing surface 15. One end of the positioning column 16 is provided with a convex edge 17, and the center of the fixing surface 15 is provided with an opening 18, and the size of the opening 18 matches the size of the first through hole 4, and the fixing surface 15 It is fixed on the outer wall of the first end 3 of the sleeve 1; the positioning sleeve 14 is a transparent sleeve. The positioning sleeve used in the present invention is in the shape of a "J" shape. When puncturing, the positioning sleeve only needs to be pushed against both sides of the puncture site, which has the advantage of accurate positioning and puncturing.

Working principle: the using method of the present invention comprises the following steps:

A. When puncturing, place the positioning sleeve on both sides of the puncture site;

B. After pressing the handle, the handle drives the needle core to move;

C. Insert the needle at the front end of the needle core into the puncture site and slowly extend into the liver;

D. The sieve hole at the needle scrapes the tissue of the liver lesion and enters the core of the needle;

E. After the puncture, the puncture needle can be automatically reset to complete the sampling.

To sum up, the present invention has a novel structure design, high puncture efficiency, can realize slow puncture, reduce the pain of patients, and can realize the purpose of puncture sampling at the same time, and also has the advantage of precise positioning and puncture, further improving sampling efficiency. Among them, setting One end of the connecting rod is fixed on the outer wall of the puncture needle, and the other end is in contact with the inner wall of the sleeve. There is a compression spring between the connecting rod and the inner wall of the first end of the sleeve. This structure can realize slow puncture and reduce the pain of the patient. The puncture needle can be automatically reset after the puncture is completed; the positioning sleeve adopted has a "several"-shaped structure. When puncturing, the positioning sleeve only needs to be pushed against the two sides of the puncture site, which has the advantage of accurate positioning and puncture.

It should be noted that, in this document, terms such as "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements , but also includes other elements not expressly listed, or also includes elements inherent in such process, method, article or equipment. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a liver disease detection sampling device for infectious department, includes sleeve (1) and pjncture needle (2), its characterized in that: the sleeve (1) is of a hollow structure, a first through hole (4) is formed in a first end (3) of the sleeve (1), a second through hole (6) is formed in a second end (5) of the sleeve (1), a needle core (7) is arranged at the center of the puncture needle (2), a needle head at the front end of the needle core (7) is a round blunt head and is provided with a plurality of sieve holes (8), and the puncture needle (2) penetrates through the first through hole (4) and the second through hole (6) and is connected with a handle (9) arranged outside the second end (5) of the sleeve (1);

still include connecting rod (10), connecting rod (10) one end is fixed on pjncture needle (2) outer wall, and the other end contacts with sleeve (1) inner wall, be equipped with compression spring (11) between connecting rod (10) and sleeve (1) first end (3) inner wall.

2. The liver disease detection and sampling device for infectious department according to claim 1, wherein: the compression spring (11) comprises an upper spring body (12), a middle spring body (13) and a lower spring body (111), the diameters of the upper spring body (12) and the lower spring body (111) are smaller than that of the middle spring body (13), and the upper spring body (12), the middle spring body (13) and the lower spring body (111) are integrally formed.

3. The liver disease detection and sampling device for infectious department according to claim 1, wherein: still include position sleeve (14), position sleeve (14) are "nearly" font structure, position sleeve (14) are including stationary plane (15), reference column (16) are fixed in stationary plane (15) both sides, reference column (16) one end is equipped with protruding edge (17), stationary plane (15) center is equipped with trompil (18), just the size of trompil (18) and the size phase-match of first through-hole (4), stationary plane (15) are fixed on sleeve (1) first end (3) outer wall.

4. The liver disease detection and sampling device for infectious department according to claim 1, wherein: the outer wall of the handle (9) is provided with anti-skid grains (19).

5. The liver disease detection and sampling device for infectious department according to claim 1, wherein: the sleeve (1) is of a cylindrical structure, the length of the sleeve (1) is 12cm-16cm, and the diameter of the sleeve is 2cm-3cm.

6. The liver disease detection and sampling device for infectious department according to claim 1, wherein: the length of the puncture needle (2) is 15cm-20cm.

7. The liver disease detection and sampling device for infectious department according to claim 2, wherein: the positioning sleeve (14) is a transparent sleeve.

8. The liver disease detection and sampling device for infectious department according to claim 1, wherein: the number of the sieve holes (8) is 5-8.

9. The use method of the liver disease detection and sampling device for the infectious department as claimed in claim 1 is realized, and is characterized in that: the using method comprises the following steps:

A. when puncturing, the positioning sleeve is propped against two sides of the puncturing part;

B. then the handle is pressed and drives the needle core to move;

C. the front end of the needle core is inserted into the puncture part and slowly extends into the liver;

D. the sieve pores at the needle head scrape the tissues at the focus part of the liver and enter the needle core;

E. the puncture needle can reset automatically after puncture, and sampling is completed.

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