CN220404086U

CN220404086U - Puncture needle assembly

Info

Publication number: CN220404086U
Application number: CN202322050497.5U
Authority: CN
Inventors: 徐慧婷
Original assignee: Hubei Cancer Research Institute of Hubei Cancer Hospital
Current assignee: Hubei Cancer Research Institute of Hubei Cancer Hospital
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-01-30
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses a puncture needle assembly, which comprises a needle seat, wherein a puncture needle penetrates through the inside of the needle seat, a connecting rod is arranged at one end, far away from the puncture needle, of the needle seat, an auxiliary connecting block is arranged at the back of an adjusting block, two balls are rotatably arranged on the surface and the back of the adjusting block, a second annular groove is formed in the back of the needle seat, a threaded rod is fixedly connected with the surface of the adjusting block, a push rod is fixedly connected with the surface of a threaded sleeve, and a pushing plate is fixedly connected with the bottom end of the push rod. According to the utility model, through the matched use of the adjusting block, the ball, the threaded rod, the threaded sleeve, the ejector rod, the push plate, the puncture needle, the connecting rod, the first annular groove and the connecting plate, the length of the puncture needle entering the patient can be adjusted, the adjusting mode is simple, the operation of staff is convenient, and meanwhile, the height difference between the needle seat of the puncture needle inserted into the patient and the two sides of the puncture needle inserted into the patient is small, so that certain discomfort to the patient is avoided.

Description

Puncture needle assembly

Technical Field

The utility model relates to the technical field of puncture needles, in particular to a puncture needle assembly.

Background

Tumors are new forms of tumor cells formed by the fact that a certain cell of local tissue loses normal regulation of growth of the tumor cells at the gene level under the action of various cancerogenic factors, so that the tumor cells are formed by clonally abnormal hyperplasia, generally considered to be monoclonal, namely all tumor cells in a tumor are offspring of a mutant cell, generally a patient generally needs to be resected after the tumor grows in the body, medical staff needs to input a certain amount of medicament into the body after the resection is finished, the medicament is generally inserted into the body of the patient through a puncture needle in the process of transfusion, and then the medicament is connected with the top end of the puncture needle through a pipeline, so that the medicament can enter the body of the patient through the puncture needle, but the conventional partial puncture needle often has a certain defect in use and needs to be improved.

The puncture needle assembly in the prior art has the following defects: patent document CN206424129U discloses a length-adjustable epidural puncture needle assembly "comprising an epidural puncture needle and a needle holder in which the tip of the epidural puncture needle is slidably received, so that the overall length of the epidural puncture needle assembly can be adjusted. With the structure, the length of the epidural puncture needle can be determined by an anesthesiologist according to the condition of a patient in the operation process, so that the operation on the obese patient is smoothly performed, the pain of the patient is relieved, and the working difficulty of the anesthesiologist is reduced. "

However, the above-mentioned device can reach the purpose of adjusting the length of the pjncture needle entering patient when using, but its in the concrete use because of the specificity of needle file structure for the protruding position of needle file is higher, thereby leads to the condition that appears on one side too high and on one side lower when pjncture needle inserts into patient's body, makes medical staff insert pjncture needle comparatively inconvenient in patient, and forced the intussuseption can cause certain regulation pain to the patient, has certain limitation in the use.

Disclosure of Invention

The present utility model is directed to a lancet assembly that solves the above-mentioned problems with the prior art.

In order to achieve the above purpose, the utility model provides a puncture needle assembly, which comprises a needle seat, wherein a puncture needle penetrates through the inside of the needle seat, and a connecting rod is arranged at one end of the needle seat far away from the puncture needle;

the inside rotation of needle file is provided with the regulating block, the back of regulating block is provided with supplementary connecting block, first ring channel has been seted up to the inside of supplementary connecting block, the surface of regulating block and the back all rotate and are provided with two balls, the second ring channel has been seted up to the back of needle file, and the surface of ball is located the inside slip of first ring channel and second ring channel respectively, the fixed surface of regulating block has the threaded rod, threaded rod's surface screw thread runs through threaded sleeve, threaded sleeve's fixed surface has the ejector pin, the bottom fixedly connected with push plate of ejector pin, and the top of pjncture needle and the fixed surface of push plate are connected.

Preferably, the surface of the needle seat is fixedly connected with a connecting plate, and the other side of the bottom of the connecting plate is fixedly connected with the surface of the auxiliary connecting block.

Preferably, the sliding groove is formed in the inner top wall of the needle seat, a sliding block is connected in the sliding groove in a sliding mode, a connecting rod is fixedly connected to the bottom of the sliding block, and the bottom end of the connecting rod is fixedly connected with the surface of the threaded sleeve.

Preferably, one side fixedly connected with first movable clamp of connecting rod, the surface that first movable clamp is held in the palm has first arc grip block, the opposite side fixedly connected with second movable clamp of connecting rod, the surface that second movable clamp is held in the palm has the second arc grip block.

Preferably, the inner side wall of the second arc-shaped clamping block is provided with a first anti-slip strip, and the inner side wall of the first arc-shaped clamping block is provided with a second anti-slip strip.

Preferably, both sides of the first arc clamping block are fixedly connected with clamping rings, a clamping plate is connected to the inside of the second arc clamping block through a rotating shaft, and a clamping groove is formed in the inside of the clamping plate.

Preferably, the top end of the puncture needle is fixedly connected with a connecting pipe, and the surface of the connecting pipe penetrates through the needle seat and the inside of the auxiliary connecting block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matched use of the adjusting block, the ball, the threaded rod, the threaded sleeve, the ejector rod, the push plate, the puncture needle, the connecting rod, the first annular groove and the connecting plate, the length of the puncture needle entering the patient can be adjusted, the adjusting mode is simple, the operation of staff is convenient, and meanwhile, the height difference between the needle seat of the puncture needle inserted into the patient and the two sides of the puncture needle inserted into the patient is small, so that certain discomfort to the patient is avoided.

2. According to the utility model, through the collocation of the connecting rod, the first arc-shaped clamping block, the second arc-shaped clamping block, the first anti-slip pad, the clamping plate, the clamping groove and the clamping ring, the puncture needle can be timely limited after being inserted into a patient, and the needle seat is prevented from being fixed only through the fixing paste, so that the fixing paste falls off when a subsequent worker or the patient touches by mistake, and the normal transfusion of the puncture needle is prevented from being influenced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the threaded rod of the present utility model;

FIG. 3 is a schematic diagram of a regulating block according to the present utility model;

fig. 4 is a schematic diagram of a card structure according to the present utility model.

In the figure: 1. a needle stand; 2. a puncture needle; 3. a connecting rod; 4. an adjusting block; 5. a first annular groove; 6. a ball; 7. a threaded rod; 8. a threaded sleeve; 9. a push rod; 10. a pushing plate; 11. an auxiliary connecting block; 12. a connecting plate; 13. a sliding groove; 14. a connecting rod; 15. a first arc-shaped clamping block; 16. a second arc-shaped clamping block; 17. a first cleat; 18. a clamping plate; 19. a clamping groove; 20. a clasp; 21. and (5) connecting pipes.

Detailed Description

Referring to fig. 1-3, a lancet assembly;

including needle file 1, needle file 1's inside runs through has pjncture needle 2, needle file 1 keeps away from the one end of pjncture needle 2 and is provided with connecting rod 3, needle file 1's inside rotation is provided with regulating block 4, regulating block 4's the back is provided with supplementary connecting block 11, first ring channel 5 has been seted up to supplementary connecting block 11's inside, regulating block 4's surface and the back all rotate and are provided with two balls 6, needle file 1's the second ring channel has been seted up at the back, and ball 6's surface is located the inside slip of first ring channel 5 and second ring channel respectively, regulating block 4's surface fixedly connected with threaded rod 7, threaded rod 7's surface screw thread runs through threaded sleeve 8, threaded sleeve 8's surface fixedly connected with ejector pin 9, ejector pin 9's bottom fixedly connected with push plate 10, and the top of pjncture needle 2 and push plate's surface fixedly connected with connecting plate 10, and the surface fixedly connected with connecting plate 12 of needle file 1's bottom, and the surface fixedly connected with connecting rod 11's of connecting plate 12, sliding groove 13's inside sliding connection has sliding block, sliding block's bottom fixedly connected with 14, and the bottom of sliding block 14 is connected with the bottom of connecting rod 8 and the second arc-shaped clamp connecting rod 3, arc-shaped clamp connecting rod 16 is movable clamp connecting rod 16.

When needs use pjncture needle 2 to carry out the infusion to the patient, the staff rotates regulating block 4 this moment, make regulating block 4 drive threaded rod 7 rotate, make threaded rod 7 drive threaded sleeve 8 and remove forward, make threaded sleeve 8 drive the ejector pin 9 on its surface and remove forward, and then make ejector pin 9 promote push plate 10 forward, and then make push plate 10 with the length that pjncture needle 2 pushed outside longer, make it can get into the length in the patient, and when pjncture needle 2 inserts in the patient, and when pjncture needle 2 is in the patient, the staff lifts certain height with first arc grip block 15 and second arc grip block 16 through first movable clamp and second movable clamp, and then make pjncture needle 2 and needle file 1 both sides position height phase difference less, be convenient for pjncture needle 2 better intubate in the patient, through regulating block 4, 7, threaded sleeve 8, ejector pin 9, push plate 10 and pjncture needle 2's length in the patient can be adjusted, make it can get into through sliding groove 13, the sliding block, setting up of pole 14 and threaded sleeve 8, make and thread sleeve 8 remove certain annular groove 1 through the setting up, make and rotate the annular groove 1 with the connecting block 11, make through the setting up with the connecting block 1, and the connecting block 11.

Referring to fig. 1 and 4, a lancet assembly;

the inside wall of second arc grip block 16 is provided with first antislip strip 17, and the inside wall of first arc grip block 15 is provided with the second antislip strip, and the equal fixedly connected with snap ring 20 in both sides of first arc grip block 15, the inside of second arc grip block 16 is connected with cardboard 18 through the pivot, and draw-in groove 19 has been seted up to cardboard 18's inside, and the top fixedly connected with connecting pipe 21 of pjncture needle 2, and the surface of connecting pipe 21 runs through in the inside of needle file 1 and supplementary connecting block 11.

After the puncture needle 2 is inserted into the body of a patient, a worker moves the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 downwards through the first movable clamp and the second movable clamp, the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 encircle the arm of the patient, the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 are attached, the worker moves the clamping plate 18 downwards for a certain distance, then the clamping groove 19 in the clamping plate 18 moves downwards, the clamping ring 20 enters the clamping groove 19, the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 are connected together, meanwhile, the surfaces of the first anti-slip strip 17 and the second anti-slip strip are in contact with the surface of the skin of the patient, the anti-slip effect and the limiting effect are achieved, and the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 can stably clamp the arm of the patient through the arrangement of the connecting plate 12, the first arc-shaped clamping block 15, the clamping plate 18, the clamping groove 19 and the clamping ring 20, and the whole device can be stably clamped on the arm of the patient.

The operating principle, when needs use pjncture needle 2 to carry out the infusion to the patient, the staff rotates regulating block 4 this moment, make regulating block 4 drive threaded rod 7 rotate, make threaded rod 7 drive threaded sleeve 8 and remove forward, make threaded sleeve 8 drive the ejector pin 9 on its surface and remove forward, and then make ejector pin 9 promote push plate 10 forward, and then make push plate 10 with pjncture needle 2 outside promotion length longer, make it can get into the length in the patient, and when pjncture needle 2 inserts in the patient, at the same time, the staff lifts certain height through first movable clamp and second movable clamp with first arc grip block 15 and second arc grip block 16, and then make pjncture needle 2 and needle file 1 both sides position height phase difference less, be convenient for pjncture needle 2 better intubate in the patient.

After the puncture needle 2 is inserted into the body of a patient, a worker moves the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 downwards through the first movable clamp and the second movable clamp, and the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 encircle the arm of the patient, so that the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 are attached, the worker moves the clamping plate 18 downwards for a certain distance, then the clamping groove 19 in the clamping plate 18 moves downwards, the clamping ring 20 enters the clamping groove 19, the first arc-shaped clamping block 15 and the second arc-shaped clamping block 16 are connected, and meanwhile the surfaces of the first anti-slip strip 17 and the second anti-slip strip are in contact with the surface of the skin of the patient, so that the anti-slip and limiting effects are achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A puncture needle assembly comprising a needle holder (1), characterized in that: the puncture needle (2) penetrates through the needle seat (1), and a connecting rod (3) is arranged at one end, far away from the puncture needle (2), of the needle seat (1);

the inside rotation of needle file (1) is provided with regulating block (4), the back of regulating block (4) is provided with supplementary connecting block (11), first ring channel (5) have been seted up to the inside of supplementary connecting block (11), the surface and the back of regulating block (4) all rotate and are provided with two balls (6), the second ring channel has been seted up at the back of needle file (1), and the surface of ball (6) is located the inside slip of first ring channel (5) and second ring channel respectively, the fixed surface of regulating block (4) is connected with threaded rod (7), the surface screw thread of threaded rod (7) runs through threaded sleeve (8), the fixed surface of threaded sleeve (8) is connected with ejector pin (9), the bottom fixedly connected with push plate (10) of ejector pin (9), and the top of pjncture needle (2) and the fixed surface connection of push plate (10).

2. A lancet assembly as recited in claim 1 wherein: the surface of the needle seat (1) is fixedly connected with a connecting plate (12), and the other side of the bottom of the connecting plate (12) is fixedly connected with the surface of the auxiliary connecting block (11).

3. A lancet assembly as recited in claim 1 wherein: the inner top wall of the needle seat (1) is provided with a sliding groove (13), the inside of the sliding groove (13) is connected with a sliding block in a sliding mode, the bottom of the sliding block is fixedly connected with a connecting rod (14), and the bottom end of the connecting rod (14) is fixedly connected with the surface of the threaded sleeve (8).

4. A lancet assembly as recited in claim 1 wherein: a first movable clamp is fixedly connected to one side of the connecting rod (3), a first arc-shaped clamping block (15) is connected to the surface of the first movable clamp, the other side of the connecting rod (3) is fixedly connected with a second movable clamp, and the surface of the second movable clamp is connected with a second arc-shaped clamping block (16).

5. A lancet assembly as recited in claim 4 wherein: the inner side wall of the second arc-shaped clamping block (16) is provided with a first anti-slip strip (17), and the inner side wall of the first arc-shaped clamping block (15) is provided with a second anti-slip strip.

6. A lancet assembly as recited in claim 4 wherein: both sides of first arc grip block (15) are all fixedly connected with snap ring (20), the inside of second arc grip block (16) is connected with cardboard (18) through the pivot, draw-in groove (19) have been seted up to the inside of cardboard (18).

7. A lancet assembly as recited in claim 1 wherein: the top end of the puncture needle (2) is fixedly connected with a connecting pipe (21), and the surface of the connecting pipe (21) penetrates through the needle seat (1) and the auxiliary connecting block (11).