CN212415857U

CN212415857U - Puncture needle for nephrology department

Info

Publication number: CN212415857U
Application number: CN202020523054.7U
Authority: CN
Inventors: 房星星; 杨红丽; 陈冬梅
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-01-29
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a pjncture needle for nephrology dept, including handle, first needle body and second needle body, the left side of handle is fixed with the ejector pad, and the right side of handle installs the loop bar, first needle body is fixed in the below of handle, and the outside of first needle body installs spacing subassembly, spacing subassembly includes limiting plate, telescopic link, reset spring and fixture block, and the medial surface intermediate position of limiting plate is fixed with the fixture block, be connected with the telescopic link between the adjacency of limiting plate, and the outside of telescopic link has cup jointed reset spring, second needle body connects in the below of first needle body, and the outer wall of second needle body evenly is provided with the scale mark, both sides all are fixed with the lug around the second needle body, perpendicular groove has all been seted up to the both sides inner wall around the first needle body, and the draw-in groove has all been seted up to the left and right sides outer wall of first needle body. This puncture needle for nephrology dept has effectively solved current puncture needle length overlength and the problem of easily taking place the bending when the puncture, and convenient to use is swift.

Description

Puncture needle for nephrology department

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a puncture needle for nephrology department.

Background

The kidney disease is a common disease and frequently encountered disease, uremia can be developed if the kidney disease is worsened, the health of people is seriously harmed, 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, and in the process of diagnosing and treating kidney diseases, the kidney biopsy is a method for judging the type of the kidney diseases.

However, the puncture needle on the current market is inconvenient to hold in the using process and is not beneficial to the force application of hands of medical staff, the length of the existing puncture needle is too long, the puncture needle is easy to bend, the length is not convenient to adjust, and meanwhile, the problem that the puncture depth is not convenient to control is also existed, so that the puncture needle for the nephrology department is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pjncture needle for nephrology dept to solve the pjncture needle on the present market that proposes in the above-mentioned background art and grip in the use inconvenient, be unfavorable for medical personnel's hand application of force, and the length overlength of current pjncture needle, the easy bending that takes place is not convenient for adjust length, still has the problem of the control depth of penetration of being not convenient for simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a puncture needle for nephrology department comprises a handle, a first needle body and a second needle body, wherein a push block is fixed on the left side of the handle, and the right side of the handle is provided with a loop bar, the first needle body is fixed below the handle, the outer side of the first needle body is provided with a limit component, the limit component comprises a limit plate, a telescopic rod, a reset spring and a fixture block, a clamping block is fixed in the middle of the inner side surface of the limiting plate, a telescopic rod is connected between the adjacent limiting plates, and the outer side of the telescopic rod is sleeved with a return spring, the second needle body is connected below the first needle body, and the outer wall of the second needle body is uniformly provided with scale marks, the front side and the rear side of the second needle body are both fixed with convex blocks, the inner walls of the front side and the rear side of the first needle body are both provided with vertical grooves, and the outer wall of the left side and the right side of the first needle body are both provided with clamping grooves, and annular grooves are formed in the inner wall of the first needle body in the vertical direction at equal intervals.

Preferably, the right side outer wall of handle is provided with the depressed area, and the structure of depressed area is the arc structure, the antislip strip is installed to the upper surface equidistance of ejector pad, and the material of antislip strip is elastic rubber.

Preferably, a telescopic structure is formed between the limiting plate and the telescopic rod, and an elastic structure is formed between the limiting plate and the return spring.

Preferably, the size between the clamping block and the clamping groove is matched, and the limiting assembly forms a clamping structure with the first needle body through the clamping block and the clamping groove.

Preferably, the second needle body penetrates through the inside of the first needle body, and the first needle body and the second needle body are matched with each other to form a telescopic structure.

Preferably, the size between the lug and the vertical groove is matched with that between the lug and the annular groove, and the vertical center line of the vertical groove is perpendicular to the horizontal center line of the annular groove.

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

1. the puncture needle for nephrology department is provided with the arc-shaped depressed area, so that medical personnel can conveniently hold the puncture needle by hands, when the puncture needle is used, two fingers of the medical personnel are buckled in the loop bar, the puncture needle can be prevented from slipping off, the push block is pressed by a thumb, the force application of the hands of the medical personnel is facilitated, and meanwhile, the anti-slip strip can effectively prevent slipping;

2. the reset spring is in an extension state after the limiting plate is clamped outside the first needle body, so that the clamping and fixing effect between the limiting component and the first needle body is favorably improved, and the position of the limiting component relative to the first needle body can be adjusted by utilizing the clamping action between the clamping block and the clamping groove, so that medical personnel can conveniently control the limiting distance, and the puncture depth of the puncture needle is limited;

3. set up and to stretch out and draw back between first needle body and the second needle body to in the length of stretching out of adjusting the second needle body as required according to the use, effectively solved current pjncture needle length overlength and easily take place crooked problem when the puncture, the setting utilizes the lug to adjust the distance that fixed second needle body stretches out first needle body in the removal card of erecting groove and annular, and simple structure easily operates, and convenient to use is swift.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the limiting assembly and the first needle assembly of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the first needle body and the second needle body of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a handle; 2. a push block; 3. a loop bar; 4. a first needle body; 5. a limiting component; 51. a limiting plate; 52. a telescopic rod; 53. a return spring; 54. a clamping block; 6. a second needle body; 7. scale lines; 8. a bump; 9. a vertical slot; 10. a card slot; 11. a ring groove; 12. a recessed region; 13. and (4) an anti-slip strip.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a puncture needle for nephrology department comprises a handle 1, a push block 2, a loop bar 3, a first needle body 4, a limiting component 5, a limiting plate 51, a telescopic rod 52, a reset spring 53, a fixture block 54, a second needle body 6, scale marks 7, a convex block 8, a vertical groove 9, a clamping groove 10, a ring groove 11, a depressed area 12 and an anti-slip strip 13, wherein the push block 2 is fixed on the left side of the handle 1, the loop bar 3 is installed on the right side of the handle 1, the first needle body 4 is fixed below the handle 1, the limiting component 5 is installed on the outer side of the first needle body 4, the limiting component 5 comprises a limiting plate 51, a telescopic rod 52, a reset spring 53 and a fixture block 54, the fixture block 54 is fixed on the middle position of the inner side surface of the limiting plate 51, the telescopic rod 52 is connected between the adjacent limiting plates 51, the reset spring 53 is sleeved on the outer side of the telescopic rod 52, a telescopic structure is formed between, the two ends of the telescopic rod 52 can respectively extend and retract inside the two limiting plates 51, so that the distance between the two limiting plates 51 can be adjusted through the telescopic rod 52, and the reset spring 53 is in an extending state after the limiting plates 51 are clamped outside the first needle body 4, thereby being beneficial to improving the clamping and fixing effects between the limiting assembly 5 and the first needle body 4;

the size of the fixture block 54 is matched with that of the slot 10, and the limiting component 5 forms a clamping structure between the fixture block 54 and the slot 10 and the first needle 4, and is arranged to utilize the clamping action between the fixture block 54 and the slot 10, the position of the limiting component 5 relative to the first needle body 4 can be adjusted, and the distance between every two clamping grooves 10 is equal, thereby being convenient for medical staff to control the spacing distance and further spacing the puncture depth of the puncture needle, the second needle body 6 is connected below the first needle body 4, and the outer wall of the second needle body 6 is evenly provided with scale marks 7, the second needle body 6 penetrates through the inside of the first needle body 4, the first needle body 4 and the second needle body 6 are mutually matched to form an expansion structure, the first needle body 4 and the second needle body 6 can be arranged to expand and contract, so as to adjust the extension length of the second needle body 6 according to the use requirement, and effectively solve the problem that the existing puncture needle is too long and is easy to bend during puncture;

the front side and the rear side of the second needle body 6 are both fixed with convex blocks 8, the inner walls of the front side and the rear side of the first needle body 4 are both provided with vertical grooves 9, the outer walls of the left side and the right side of the first needle body 4 are both provided with clamping grooves 10, the inner wall of the first needle body 4 is equidistantly provided with annular grooves 11 in the vertical direction, the convex blocks 8 are matched with the sizes between the vertical grooves 9 and the annular grooves 11, the vertical central line of the vertical grooves 9 is mutually vertical to the horizontal central line of the annular grooves 11, the moving clamping of the convex blocks 8 in the vertical grooves 9 and the annular grooves 11 is utilized to adjust and fix the distance of the second needle body 6 extending out of the first needle body 4, the structure is simple and easy to operate, the use is convenient and rapid, the outer wall of the right side of the handle 1 is provided with a concave area 12, the structure of the concave area 12 is an arc-shaped structure, the upper surface of, when the medical anti-skid device is used, two fingers of a medical worker are buckled in the loop bar 3, the puncture needle can be prevented from slipping off, the push block 2 is pressed by the thumb, force is conveniently applied to the hand of the medical worker, and meanwhile, the anti-skid strip 13 can be effectively anti-skid.

The working principle is as follows: for the puncture needle for nephrology department, firstly, the first needle body 4 is kept still, the second needle body 6 is pulled downwards at the same time, the second needle body 6 drives the lug 8 to slide downwards along the vertical groove 9, so that the second needle body 6 extends from the inside of the first needle body 4, the first needle body 4 is rotated when the lug 8 slides to the intersection of the vertical groove 9 and the annular groove 11, the first needle body 4 drives the lug 8 to slide into the annular groove 11, the extended distance is fixed, the specific length of the second needle body 6 can be judged by observing the scale mark 7, then, medical personnel control the puncture depth according to use needs, firstly, two limiting plates 51 are pulled outwards at the same time, the limiting plates 51 drive the telescopic rod 52 and the reset spring 53 to extend, the clamping block 54 is separated from the inside of the clamping groove 10, then, the limiting component 5 moves downwards, when the position of the proper clamping groove 10 is reached, the limiting plates 51 are loosened, the limiting plates 51 retract under the elastic action of, the distance is shortened, so that the clamping block 54 is driven to be clamped into the clamping groove 10 again, then two fingers of the hand of the medical worker are buckled inside the loop bar 3, the handle 1 is held, the fingers are attached to the concave area 12, the thumb is pressed on the push block 2 and is in contact with the anti-slip strip 13, then the handle 1 is operated by applying force, and the whole puncture needle for the nephrology department can be used for puncture.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a puncture needle for nephrology dept, includes handle (1), first needle body (4) and second needle body (6), its characterized in that: the left side of handle (1) is fixed with ejector pad (2), and the right side of handle (1) installs loop bar (3), first needle body (4) are fixed in the below of handle (1), and the outside of first needle body (4) installs spacing subassembly (5), spacing subassembly (5) include limiting plate (51), telescopic link (52), reset spring (53) and fixture block (54), and the medial surface intermediate position of limiting plate (51) is fixed with fixture block (54), be connected with telescopic link (52) between the adjacency of limiting plate (51), and reset spring (53) has been cup jointed in the outside of telescopic link (52), second needle body (6) are connected in the below of first needle body (4), and the outer wall of second needle body (6) evenly is provided with scale mark (7), both sides all are fixed with lug (8) around second needle body (6), perpendicular groove (9) have all been seted up to both sides inner wall around first needle body (4), and draw-in groove (10) have all been seted up to the left and right sides outer wall of first needle body (4), annular (11) have been seted up to the vertical direction equidistance of inner wall of first needle body (4).

2. A puncture needle for nephrology department according to claim 1, characterized in that: the handle is characterized in that a concave area (12) is formed in the outer wall of the right side of the handle (1), the structure of the concave area (12) is an arc-shaped structure, anti-slip strips (13) are installed on the upper surface of the push block (2) at equal intervals, and the anti-slip strips (13) are made of elastic rubber.

3. A puncture needle for nephrology department according to claim 1, characterized in that: an expansion structure is formed between the limiting plate (51) and the expansion rod (52), and an elastic structure is formed between the limiting plate (51) and the return spring (53).

4. A puncture needle for nephrology department according to claim 1, characterized in that: the clamping block (54) is matched with the clamping groove (10) in size, and the limiting component (5) forms a clamping structure with the first needle body (4) through the clamping block (54), the clamping groove (10) and the first needle body.

5. A puncture needle for nephrology department according to claim 1, characterized in that: the second needle body (6) penetrates through the inside of the first needle body (4), and the first needle body (4) and the second needle body (6) are matched with each other to form a telescopic structure.

6. A puncture needle for nephrology department according to claim 1, characterized in that: the bump (8) is matched with the vertical groove (9) and the annular groove (11) in size, and the vertical central line of the vertical groove (9) is perpendicular to the horizontal central line of the annular groove (11).