CN211723370U

CN211723370U - Multifunctional liver puncture needle

Info

Publication number: CN211723370U
Application number: CN202020186019.0U
Authority: CN
Inventors: 方松林; 陈贇
Original assignee: Xiamen Fifth Hospital
Current assignee: Xiamen Fifth Hospital
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-10-23
Anticipated expiration: 2030-02-19

Abstract

The utility model belongs to the technical field of medical instruments, in particular to a multifunctional liver puncture needle, which comprises a needle seat, wherein the needle seat is provided with a through hole, and a needle core is movably connected in the through hole; the utility model discloses, through setting up the blade, pierce the tissue back when the needle tubing, when promoting the push pedal, make the slider move about in the spout, under the effect of resistance, make relative blade keep away from each other, after the tissue gets into the nook closing member, when loosening the push pedal, under the effect of spring force, make the nook closing member take out, make the blade can the automatic cutout tissue, convenient and fast more when using, through setting up the slide bar, first slide cartridge, second slide cartridge and backing plate, the backing plate plays the effect of support, the user can remove the second slide cartridge on the slide bar, adjust the degree of depth that needs to pierce, make the second slide cartridge carry on spacingly to first slide cartridge, avoid piercing the too dark injury patient, the degree of depth that the control that can be fine pierces, more swift convenience when using.

Description

Multifunctional liver puncture needle

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to multi-functional liver pjncture needle.

Background

Liver puncture is a short-term biopsy for liver puncture, liver puncture pathology examination is mainly used for differential diagnosis of various liver diseases, such as identification of the nature and the cause of jaundice, understanding of the degree and the activity of liver lesions, providing the etiological diagnosis basis of various viral hepatitis, finding cirrhosis in early stage, stationary stage or compensatory stage, and judging clinical efficacy, particularly the internationally recognized 'gold standard' in determining the severity of liver fibrosis, and in addition, liver puncture can also be used for diagnostic treatment, such as liver abscess puncture pus discharge, liver cyst fluid extraction, intratumoral injection of drugs for liver cancer or absolute alcohol, and the existing liver puncture needle used clinically mainly comprises a needle handle and a needle body, and the puncture needle body of the puncture needle can not effectively control the puncture depth when puncturing the liver of a patient, thereby increasing great work difficulty for medical services, and the existing liver puncture needle used clinically does not solve the problem of cutting tissues after puncture, and the operation takes much time, and the puncture depth can not be controlled well.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a multifunctional liver puncture needle which is characterized by convenient use.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional liver puncture needle comprises a needle seat, wherein a through hole is formed in the needle seat, a needle core is movably connected in the through hole, a needle tube is fixedly connected to the side surface of the needle seat, the needle core is movably connected in the needle tube, a blade is arranged on the opposite inner wall of the needle core, a push plate is fixedly connected to one end of the needle core, a spring is movably sleeved on the surface of the needle core, one end of the spring is fixedly connected to the push plate, the other end of the spring is fixedly connected to the needle seat, a sliding block is fixedly connected to the surface of the needle core, the number of the sliding blocks is two, sliding grooves are formed in the needle seat, the number of the sliding grooves is two, the two sliding grooves are communicated with the through hole, the two sliding blocks are respectively and movably connected in the two sliding grooves, a connecting rod is fixedly connected to the surface of, the novel sliding device is characterized in that a sliding rod is movably connected in the first sliding barrel, a second sliding barrel is movably sleeved on the surface of the sliding rod, a threaded hole is formed in the surface of the second sliding barrel, a bolt is connected to the inner thread of the threaded hole, one end of the bolt is in lap joint with the surface of the sliding rod, a base plate is fixedly connected to one end of the sliding rod, and a clamping plate is fixedly connected to the other end of the sliding rod.

Preferably, the surface of the backing plate is provided with a spongy cushion.

Preferably, the surface of the slide bar is provided with a scale.

Preferably, the blade is a resilient blade.

Preferably, the blade is inclined to the right side of the inner wall of the stylet.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through setting up the blade, pierce the tissue back when the needle tubing, when promoting the push pedal, make the slider move about in the spout, under the effect of resistance, make relative blade keep away from each other, after the tissue gets into the nook closing member, when loosening the push pedal, under the effect of spring force, make the nook closing member take out, make the blade can the automatic cutout tissue, convenient and fast more when using, through setting up the slide bar, first slide cartridge, second slide cartridge and backing plate, the backing plate plays the effect of support, the user can remove the second slide cartridge on the slide bar, adjust the degree of depth that needs to pierce, make the second slide cartridge carry on spacingly to first slide cartridge, avoid piercing the too dark injury patient, the degree of depth that the control that can be fine pierces, more swift convenience when using.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is an enlarged schematic structural view of the position A of the present invention;

in the figure: 1. a needle seat; 2. a through hole; 3. a needle tube; 4. a needle core; 5. a slider; 6. a chute; 7. a spring; 8. pushing the plate; 9. a blade; 10. a connecting rod; 11. a first slide drum; 12. a slide bar; 13. calibration; 14. a second slide drum; 15. a bolt; 16. a base plate; 17. a sponge cushion; 18. and (4) clamping the board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: a multifunctional liver puncture needle comprises a needle seat 1, wherein a through hole 2 is formed in the needle seat 1, a needle core 4 is movably connected in the through hole 2, a needle tube 3 is fixedly connected to the side surface of the needle seat 1, the needle core 4 is movably connected in the needle tube 3, a blade 9 is arranged on the opposite inner wall of the needle core 4, a push plate 8 is fixedly connected to one end of the needle core 4, a spring 7 is movably sleeved on the surface of the needle core 4, one end of the spring 7 is fixedly connected to the push plate 8, the other end of the spring 7 is fixedly connected to the needle seat 1, a slide block 5 is fixedly connected to the surface of the needle core 4, two slide blocks 5 are arranged, a slide groove 6 is formed in the needle seat 1, two slide grooves 6 are formed, the two slide grooves 6 are communicated with the through hole 2, and the two slide blocks 5 are respectively and movably connected in the two, the surface of the needle base 1 is fixedly connected with a connecting rod 10, the other end of the connecting rod 10 is fixedly connected with a first sliding barrel 11, a sliding rod 12 is movably connected in the first sliding barrel 11, a second sliding barrel 14 is movably sleeved on the surface of the sliding rod 12, a threaded hole is formed in the surface of the second sliding barrel 14, a bolt 15 is connected in the threaded hole in a threaded manner, one end of the bolt 15 is lapped with the surface of the sliding rod 12, a backing plate 16 is fixedly connected at one end of the sliding rod 12, a clamping plate 18 is fixedly connected at the other end of the sliding rod 12, through the arrangement of the blade 9, when the needle tube 3 penetrates into a tissue, the pushing plate 8 is pushed, the sliding block 5 moves in the sliding groove 6, the opposite blades 9 are mutually separated under the action of resistance, when the tissue enters the needle core 4, when the pushing plate 8 is loosened, the needle core 4 is drawn out under the action of the elastic force of the spring, more convenient and fast when using, through setting up slide bar 12, first smooth section of thick bamboo 11, second smooth section of thick bamboo 14 and backing plate 16, backing plate 16 plays the effect of support, and the user can remove second smooth section of thick bamboo 14 on slide bar 12, adjusts the degree of depth that needs to pierce, makes second smooth section of thick bamboo 14 carry on spacingly to first smooth section of thick bamboo 11, avoids piercing the too dark injury patient, the degree of depth that control that can be fine pierces, more swift convenience when using.

In particular, the surface of the backing plate 16 is provided with a sponge cushion 17, so that the patient feels more comfortable when the cushion is used.

Specifically, the surface of the slide bar 12 is provided with scales 13, so that the penetration depth can be conveniently adjusted and observed.

Specifically, the blade 9 is an elastic blade 9.

Specifically, the blade 9 is inclined to the right side of the inner wall of the core 4.

The utility model discloses a theory of operation and use flow: the utility model discloses, when using, move second slide cartridge 14 on slide bar 12, the degree of depth that pierces as required, move second slide cartridge 14 to corresponding scale 13 position, then, screw up bolt 15, fix second slide cartridge 14, then, support backing plate 16 on one's body at the patient, make needle tubing 3 aim at the position that needs pierce, press down push pedal 8 and promote needle file 1, make slider 5 move about in spout 6, make needle tubing 3 and needle core 4 pierce, under the effect of resistance, make relative blade 9 keep away from each other, after tissue gets into needle core 4, loosen push pedal 8 and release needle file 1, under the effect of spring 7 elasticity, make needle core 4 take out, make blade 9 can the automatic cutout tissue.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional liver pjncture needle, includes needle file (1), its characterized in that: the needle base is characterized in that a through hole (2) is formed in the needle base (1), a needle core (4) is movably connected in the through hole (2), a needle tube (3) is fixedly connected to the side face of the needle base (1), the needle core (4) is movably connected in the needle tube (3), a blade (9) is arranged on the inner wall, opposite to the needle core (4), of the needle core (4), a push plate (8) is fixedly connected to one end of the needle core (4), a spring (7) is sleeved on the surface of the needle core (4), one end of the spring (7) is fixedly connected to the push plate (8), the other end of the spring (7) is fixedly connected to the needle base (1), a sliding block (5) is fixedly connected to the surface of the needle core (4), the number of the sliding blocks (5) is two, a sliding groove (6) is formed in the needle base (1), the number of the sliding grooves (6) is two, and the sliding grooves, two slider (5) swing joint is respectively in two spout (6), the fixed surface of needle file (1) is connected with connecting rod (10), the first slide cartridge (11) of other end fixedly connected with of connecting rod (10), swing joint has slide bar (12) in first slide cartridge (11), the slide cartridge (14) of second has been cup jointed in the surface activity of slide bar (12), the threaded hole has been seted up on the surface of second slide cartridge (14), and threaded hole female connection has bolt (15), the one end of bolt (15) and the surface overlap joint of slide bar (12), the one end fixedly connected with backing plate (16) of slide bar (12), the other end fixedly connected with cardboard (18) of slide bar (12).

2. A multi-functional liver puncture needle according to claim 1, characterized in that: the surface of the backing plate (16) is provided with a spongy cushion (17).

3. A multi-functional liver puncture needle according to claim 1, characterized in that: the surface of the sliding rod (12) is provided with scales (13).

4. A multi-functional liver puncture needle according to claim 1, characterized in that: the blade (9) is an elastic blade (9).

5. A multi-functional liver puncture needle according to claim 1, characterized in that: the blade (9) inclines towards the right side of the inner wall of the needle core (4).