CN211271050U

CN211271050U - Kidney is biopsy pjncture needle for internal medicine

Info

Publication number: CN211271050U
Application number: CN201922271983.3U
Authority: CN
Inventors: 向伟; 钟桂英; 杨柳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-18
Anticipated expiration: 2029-12-17

Abstract

A biopsy puncture needle for nephrology department comprises a biopsy needle, a needle cylinder, a hand-held part and a protective cover; the biopsy needle is provided with a mounting seat and an inclined tip; scales are arranged on the needle cylinder, the fixed seat is arranged on the needle cylinder, and the mounting seat is connected with the fixed seat; the hand-held part is arranged on the needle cylinder; the piston is movably arranged in the needle cylinder, the movable rod is arranged on the piston, and the movable rod is connected with the fixed disc; the connecting piece is arranged on the handheld part and is provided with a through hole; the protective cover is sleeved on the needle cylinder, and the biopsy needle is positioned in the protective cover; a limiting groove is vertically arranged on the needle cylinder, a limiting piece is arranged on the inner circumferential surface of the protective cover, and the limiting piece is positioned in the limiting groove and is in sliding connection with the guide rod; the elastic piece is sleeved on the guide rod and connected with the limiting piece and the protective cover. The utility model is simple in operation, convenient to use can effectively avoid taking off the hand and stabbing operating personnel, pricks into and extracts the process more smoothly, and transportation process and use are safer, can also know directly perceivedly and prick the degree of depth, are favorable to the use.

Description

Kidney is biopsy pjncture needle for internal medicine

Technical Field

The utility model relates to a kidney internal medicine technical field especially relates to a kidney is biopsy pjncture needle for internal medicine.

Background

The kidney disease is a common disease and a frequently encountered disease, uremia can be developed if the kidney disease is worsened, the health of people is seriously harmed, and the chronic kidney disease becomes another important disease which threatens the health of people after cardiovascular and cerebrovascular diseases, tumors and diabetes and becomes a global public health problem;

the kidney puncture is the medical diagnosis means that nephrology branch of academic or vocational study is commonly used, extracts liquid from the kidney of human body promptly and tests the detection, and the structure of present puncture needle for the nephrology branch of academic or vocational study is comparatively simple, and the operation effect is not good, takes off the hand easily and brings inconvenience to operation process when using, and the security performance is not good moreover, punctures operating personnel easily around carrying and operating, awaits improving.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a kidney is biopsy pjncture needle for internal medicine, easy operation, convenient to use can effectively avoid taking off the hand and stabbing operating personnel, pricks and extracts the process more smoothly, and transportation process and use are safer, can also know directly perceivedly and prick the degree of depth, are favorable to using.

(II) technical scheme

The utility model provides a biopsy puncture needle for nephrology department, which comprises a biopsy needle, a needle cylinder, a handheld part, a protective cover, a connecting piece, a fixed seat, a movable rod, a fixed disk, a piston, a guide rod and an elastic piece;

the biopsy needle is provided with a mounting seat and an inclined tip end, and the mounting seat and the inclined tip end are positioned at two ends of the biopsy needle; scales are arranged on the needle cylinder, the fixed seat is arranged on the needle cylinder, and the mounting seat is connected with the fixed seat;

the hand-held part is arranged on the needle cylinder, and the hand-held part and the biopsy needle are positioned at two ends of the needle cylinder; the piston is movably arranged in the needle cylinder, the movable rod is vertically arranged on the piston, and the movable rod extends upwards and penetrates through the handheld part to be connected with the fixed disc; the connecting piece is arranged on the handheld part, and a through hole for fingers to pass through is formed in the connecting piece;

the protective cover is sleeved on the needle cylinder, and the biopsy needle is positioned in the protective cover; a limiting groove is vertically arranged on the needle cylinder, and the guide rod is vertically arranged in the limiting groove; the inner circumferential surface of the protective cover is provided with a limiting piece which is positioned in the limiting groove and is in sliding connection with the guide rod; the elastic piece is sleeved on the guide rod and connected with the limiting piece and the protective cover.

Preferably, the device further comprises a sealing cover;

the sealing cover is provided with an internal thread, the protective cover is provided with an external thread, and the sealing cover is in threaded connection with the protective cover.

Preferably, a buffer layer is arranged in the sealing cover.

Preferably, the buffer layer is made of a latex material.

Preferably, the connecting piece is provided with a protective layer, and the protective layer is positioned in the through hole.

Preferably, the protective layer is made of a sponge material.

Preferably, the mounting seat is provided with an external thread, the fixed seat is provided with a threaded hole, and the mounting seat is in threaded connection with the fixed seat.

Preferably, the number of through holes is four.

The above technical scheme of the utility model has following profitable technological effect:

the thumb holds the hand-held part, and other fingers are inserted into the through hole, so that the needle cylinder can be tightly held, the needle cylinder is effectively prevented from falling off the hand, and the puncturing process and the pulling process are smoother;

the biopsy needle is inserted into the patient, the protective cover and the biopsy needle generate relative motion, and the elastic piece is in a compressed state; after the biopsy needle is used, the biopsy needle is pulled out, the elastic part resets, the protective cover moves downwards, the biopsy needle enters the protective cover, the user can be effectively prevented from being injured by pricking, and the use process and the conveying process are safer;

the movement distance of the protective cover can be known according to the scales, so that the pricking depth can be conveniently known and controlled, and the use is facilitated; the fixed disc is pulled to enable the piston to move, so that biopsy cells, body fluid or effusion and the like in the kidney are sucked into the biopsy needle, and the use is simpler and more convenient.

Drawings

Fig. 1 is a perspective view of the biopsy puncture needle for the kidney medical department provided by the utility model.

Fig. 2 is the utility model provides a structural schematic diagram of biopsy puncture needle for nephrology department.

Fig. 3 is a partial enlarged view of the part a of the biopsy puncture needle for the kidney medical department according to the present invention.

Reference numerals: 1. a biopsy needle; 2. a needle cylinder; 3. a hand-held portion; 4. a protective cover; 5. a connecting member; 6. a beveled tip; 7. calibration; 8. a fixed seat; 9. a mounting seat; 10. a movable rod; 11. fixing the disc; 12. a piston; 13. a through hole; 14. a protective layer; 15. a limiting member; 16. a guide bar; 17. an elastic member; 18. a limiting groove; 19. a sealing cover; 20. a buffer layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the biopsy needle for nephrology department of the present invention comprises a biopsy needle 1, a needle cylinder 2, a hand-held portion 3, a protective cover 4, a connecting member 5, a fixed seat 8, a movable rod 10, a fixed disk 11, a piston 12, a guide rod 16 and an elastic member 17;

the biopsy needle 1 is provided with a mounting seat 9 and an inclined tip 6, and the mounting seat 9 and the inclined tip 6 are positioned at two ends of the biopsy needle 1; the needle cylinder 2 is provided with scales 7, the fixed seat 8 is arranged on the needle cylinder 2, and the mounting seat 9 is connected with the fixed seat 8;

the hand-held part 3 is arranged on the needle cylinder 2, and the hand-held part 3 and the biopsy needle 1 are positioned at two ends of the needle cylinder 2; the piston 12 is movably arranged in the needle cylinder 2, the movable rod 10 is vertically arranged on the piston 12, and the movable rod 10 extends upwards and penetrates through the handheld part 3 to be connected with the fixed disc 11; the connecting piece 5 is arranged on the handheld part 3, and a through hole 13 for fingers to pass through is arranged on the connecting piece 5;

the protective cover 4 is sleeved on the needle cylinder 2, and the biopsy needle 1 is positioned in the protective cover 4; a limit groove 18 is vertically arranged on the needle cylinder 2, and the guide rod 16 is vertically arranged in the limit groove 18; a limiting piece 15 is arranged on the inner circumferential surface of the protective cover 4, and the limiting piece 15 is positioned in a limiting groove 18 and is in sliding connection with a guide rod 16; the elastic member 17 is sleeved on the guide rod 16 and connects the limiting member 15 and the protection cover 4.

In an alternative embodiment, a sealing cover 19 is also included; the sealing cover 19 is provided with internal threads, the protective cover 4 is provided with external threads, and the sealing cover 19 is in threaded connection with the protective cover 4. In operation, before the transportation process and before and after the use, the sealing cover 19 is connected with the protective cover 4, so that the biopsy needle 1 is in a closed environment, the damage or the pollution of the biopsy needle is effectively avoided, and the injury to operators can also be effectively avoided.

In an alternative embodiment, a cushioning layer 20 is provided within the sealing cover 19; the buffer layer 20 is made of latex material, and is relatively soft, and can play a good role in protecting the biopsy needle 1.

In an alternative embodiment, the connecting piece 5 is provided with a protective layer 14, and the protective layer 14 is positioned in the through hole 13; the protective layer 14 is made of sponge material, and is relatively soft, can play a better protective role to the finger, avoids the finger to be frayed or scotch.

In an alternative embodiment, the mounting seat 9 is provided with an external thread, the fixing seat 8 is provided with a threaded hole, and the mounting seat 9 is in threaded connection with the fixing seat 8.

In an alternative embodiment, the number of through holes 13 is four. In operation, other fingers except the thumb can be tightly held by the hand-holding part 3 after being inserted into the through hole 13, so that the needle cylinder 2 is effectively prevented from falling off the hand, and the biopsy needle 1 is favorably inserted and pulled out.

In the utility model, when in use, the thumb holds the hand-held part 3, and other fingers are inserted into the through hole 13, so as to tightly hold the needle cylinder 2, thereby effectively preventing the needle cylinder 2 from falling off the hand and ensuring that the puncturing process and the pulling-out process are smoother; the needle cylinder 2 is acted by force to prick the biopsy needle 1 into the patient, the protective cover 4 and the biopsy needle 1 generate relative movement, and the elastic part 17 is in a compressed state; the movement distance of the protective cover 4 can be known according to the scale 7, and the distance is also the penetration depth of the biopsy needle 1, so that the penetration depth can be conveniently known and controlled, and the use is facilitated; the fixed disc 11 is pulled to enable the piston 12 to move, and then biopsy cells, body fluid or effusion and the like in the kidney are sucked into the biopsy needle 1; after the biopsy needle is used, the biopsy needle 1 is pulled out, the elastic piece 17 resets, the protective cover 4 moves downwards, the biopsy needle 1 enters the protective cover 4, the user can be effectively prevented from being pricked, and the use process and the conveying process are safer.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A biopsy puncture needle for nephrology department is characterized by comprising a biopsy needle (1), a needle cylinder (2), a handheld part (3), a protective cover (4), a connecting piece (5), a fixed seat (8), a movable rod (10), a fixed disk (11), a piston (12), a guide rod (16) and an elastic piece (17);

the biopsy needle (1) is provided with a mounting seat (9) and an inclined tip (6), and the mounting seat (9) and the inclined tip (6) are positioned at two ends of the biopsy needle (1); scales (7) are arranged on the needle cylinder (2), the fixed seat (8) is arranged on the needle cylinder (2), and the mounting seat (9) is connected with the fixed seat (8);

the hand-held part (3) is arranged on the needle cylinder (2), and the hand-held part (3) and the biopsy needle (1) are positioned at two ends of the needle cylinder (2); the piston (12) is movably arranged in the needle cylinder (2), the movable rod (10) is vertically arranged on the piston (12), and the movable rod (10) extends upwards and penetrates through the handheld part (3) to be connected with the fixed disk (11); the connecting piece (5) is arranged on the handheld part (3), and a through hole (13) for fingers to pass through is arranged on the connecting piece (5);

the protective cover (4) is sleeved on the needle cylinder (2), and the biopsy needle (1) is positioned in the protective cover (4); a limit groove (18) is vertically arranged on the needle cylinder (2), and the guide rod (16) is vertically arranged in the limit groove (18); a limiting piece (15) is arranged on the inner circumferential surface of the protective cover (4), and the limiting piece (15) is positioned in a limiting groove (18) and is in sliding connection with the guide rod (16); the elastic piece (17) is sleeved on the guide rod (16) and is connected with the limiting piece (15) and the protective cover (4).

2. A biopsy needle for use in nephrology according to claim 1, further comprising a sealing cap (19);

the sealing cover (19) is provided with internal threads, the protective cover (4) is provided with external threads, and the sealing cover (19) is in threaded connection with the protective cover (4).

3. Biopsy needle for use in nephrology according to claim 2, characterised in that the sealing cap (19) is provided with a buffer layer (20).

4. A biopsy needle for use in nephrology according to claim 3, characterised in that the buffer layer (20) is made of a latex material.

5. Biopsy needle for use in nephrology according to claim 1, characterised in that the connecting element (5) is provided with a shielding (14), the shielding (14) being located in the through hole (13).

6. Biopsy needle for nephrology according to claim 5, characterised in that the protective layer (14) is made of sponge material.

7. The biopsy puncture needle for the nephrology department according to claim 1, wherein an external thread is arranged on the mounting seat (9), a threaded hole is arranged on the fixed seat (8), and the mounting seat (9) is in threaded connection with the fixed seat (8).

8. Biopsy needle for nephrology according to claim 1, characterised in that the number of through holes (13) is four.