CN218961490U

CN218961490U - Needle special for subcutaneous injection

Info

Publication number: CN218961490U
Application number: CN202222527893.8U
Authority: CN
Inventors: 刘芳; 窦榕榕; 韩嘉嘉; 戴彩云; 蔡洁
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-05-05
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a special hypodermic needle, which comprises a needle body and a supporting frame, wherein the supporting frame comprises a first supporting plate and a second supporting plate, one ends of the first supporting plate and the second supporting plate are connected through a pin rod, an adjusting mechanism is arranged between the first supporting plate and the second supporting plate, the needle body is placed on the first supporting plate, and a fixing piece is arranged at one end of the needle body; the adjusting mechanism comprises a threaded rod, a moving groove is formed in the second supporting plate, the threaded rod is rotatably connected in the moving groove, a moving block is connected to the threaded rod in a threaded mode, the moving block is connected with a supporting rod through a pin rod, the other end of the supporting rod is connected with the first supporting plate, and the needle head can be prevented from falling off.

Description

Needle special for subcutaneous injection

Technical Field

The utility model relates to the technical field of syringes, in particular to a special hypodermic needle.

Background

The targeting drug on the new clinical market can be injected subcutaneously without intravenous infusion, thereby saving time and medical resources. Subcutaneous injection is performed for 5-8min, intravenous infusion is performed for 1-3 h, and a common 1ml needle and a 20ml syringe are used for subcutaneous injection at present. One nurse continues to operate, limiting the patient volume. When injecting, the injection angle is different, and is usually nurse direct injection, does not possess the support frame, and when nurse's work load was big, the angle of injection probably inaccurately, and injection effect is not good, and in injection process, the syringe needle inserts in the patient skin, when extracting the syringe needle, the syringe needle probably drops.

Disclosure of Invention

The utility model aims to provide a special hypodermic needle which can be used for injecting by adjusting the angle, and the needle head is not easy to fall off so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the special hypodermic needle comprises a needle body and a supporting frame, wherein the supporting frame comprises a first supporting plate and a second supporting plate, one ends of the first supporting plate and the second supporting plate are connected through a pin rod, an adjusting mechanism is arranged between the first supporting plate and the second supporting plate, the needle body is placed on the first supporting plate, and a fixing piece is arranged at one end of the needle body;

the adjusting mechanism comprises a threaded rod, a moving groove is formed in the second supporting plate, the threaded rod is rotationally connected in the moving groove, a moving block is connected to the threaded rod in a threaded mode, a supporting rod is connected to the moving block through a pin rod, and the other end of the supporting rod is connected with the first supporting plate.

Preferably, the other end of the supporting rod is connected with a connecting block through a pin rod, and the connecting block is welded at one end of the first supporting plate.

Preferably, one end of the threaded rod is fixedly connected with a rotary table, and an anti-slip ring is fixedly arranged on the outer side of the rotary table.

Preferably, a sponge layer is fixedly arranged at the lower end of the second supporting plate, and a graduated scale is arranged on one side of the movable groove.

Preferably, a placing groove is formed in the first supporting plate, a baffle is fixedly arranged at one end of the placing groove, and a through hole is formed in the baffle.

Preferably, the injection needle body comprises a needle tube, a piston rod and a needle head, wherein the piston rod is movably connected in the needle tube, the needle head is connected with one end of the needle tube, the needle tube is placed in the placing groove, and the needle head penetrates through the through hole.

Preferably, the fixing piece comprises a fixing ring, connecting rods are fixedly arranged at two ends of the fixing ring, clamping blocks are fixedly arranged at the other ends of the connecting rods, two clamping grooves are formed in one end of the needle tube, and the clamping blocks are clamped in the clamping grooves.

Preferably, the fixing ring is connected with the needle in a contact way, and one end of the needle penetrates through the fixing ring.

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

1. one end of the injector body is fixed through the fixing piece, so that the needle head can be prevented from falling off and remaining on a patient Pi Cengna when the injection needle body is used for injection;

2. according to the utility model, the adjusting mechanism can drive the moving block to move through the arrangement of the threaded rod, the moving block can adjust the angles of the first supporting plate and the second supporting plate through the supporting rod, so that different injection angles can be conveniently adjusted, subcutaneous injections with different angles can be carried out on patients, and unstable injection angles caused by long-time injection of medicines by medical staff can be avoided.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the injection needle body of the present utility model;

fig. 5 is a schematic structural view of a support frame according to the present utility model.

In the figure: 1. an injection needle body; 101. a needle tube; 102. a piston rod; 103. a needle; 104. a clamping groove; 2. a support frame; 201. a first support plate; 202. a second support plate; 203. a placement groove; 204. a baffle; 205. a through hole; 3. an adjusting mechanism; 301. a threaded rod; 302. a moving groove; 303. a moving block; 304. a support rod; 305. a connecting block; 306. a turntable; 307. an anti-slip ring; 308. a sponge layer; 309. a graduated scale; 4. a fixing member; 401. a fixing ring; 402. a connecting rod; 403. and a clamping block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

the special hypodermic needle comprises a needle body 1 and a supporting frame 2, wherein the supporting frame 2 comprises a first supporting plate 201 and a second supporting plate 202, one ends of the first supporting plate 201 and the second supporting plate 202 are connected through a pin rod, an adjusting mechanism 3 is arranged between the first supporting plate 201 and the second supporting plate 202, the needle body 1 is placed on the first supporting plate 201, and a fixing piece 4 is arranged at one end of the needle body 1;

the adjusting mechanism 3 comprises a threaded rod 301, a moving groove 302 is formed in the second supporting plate 202, the threaded rod 301 is rotatably connected in the moving groove 302, a moving block 303 is connected to the threaded rod 301 in a threaded mode, a supporting rod 304 is connected to the moving block 303 through a pin rod, and the other end of the supporting rod 304 is connected with the first supporting plate 201.

Referring to fig. 2, since the other end of the support bar 304 is connected with the connection block 305 through the pin, the connection block 305 is welded to one end of the first support plate 201, so the connection block 305 facilitates the connection support of the other end of the support bar 304.

Referring to fig. 5, since one end of the threaded rod 301 is fixedly connected with the rotary table 306, and an anti-slip ring 307 is fixedly provided on the outer side of the rotary table 306, the rotary table 306 is convenient to rotate the threaded rod 301, and the anti-slip ring 307 can increase friction force and is convenient to rotate the rotary table 306.

Referring to fig. 5, since the sponge layer 308 is fixedly disposed at the lower end of the second support plate 202, and the scale 309 is disposed at one side of the moving groove 302, the sponge layer 308 can reduce the extrusion of the support frame 2 to the skin of the patient when the support frame 2 is placed, and the scale 309 can measure the moving distance of the moving block 303, so as to facilitate accurate angle adjustment.

Referring to fig. 5, since the first supporting plate 201 is provided with the placement groove 203, one end of the placement groove 203 is fixedly provided with the baffle 204, and the baffle 204 is provided with the through hole 205, the placement groove 203 is convenient for placing the needle tube 101, and the baffle 204 can limit the needle tube 101.

Referring to fig. 4, since the injection needle body 1 includes the needle tube 101, the piston rod 102 and the needle 103, the piston rod 102 is movably connected in the needle tube 101, the needle 103 is connected at one end of the needle tube 101, the needle tube 101 is placed in the placement groove 203, and the needle 103 penetrates through the through hole 205, the subcutaneous injection is facilitated by the arrangement of the needle tube 101, the piston rod 102 and the needle 103, and the needle 103 penetrates through the through hole 205, so that the limit injection is facilitated for the needle tube 101.

Referring to fig. 3, since the fixing member 4 includes the fixing ring 401, the two ends of the fixing ring 401 are fixedly provided with the connecting rod 402, the other end of the connecting rod 402 is fixedly provided with the clamping block 403, one end of the needle tube 101 is provided with the two clamping grooves 104, the clamping block 403 is clamped in the clamping groove 104, the fixing ring 401 is connected with the needle 103 in a contact manner, and one end of the needle 103 penetrates through the fixing ring 401, so the fixing member 4 and the needle tube 101 can be clamped and fixed through the arrangement of the clamping groove 104 and the clamping block 403, the needle 103 and the needle tube 101 can be further fixed, and the needle 103 is prevented from falling off during injection.

Structural principle: when the injection needle is used, the support frame 2 is placed on the skin of a patient, the rotating handle is rotated, the moving block 303 is driven to move through the threaded rod 301, one end of the first support plate 201 is driven to conduct angle adjustment through the support rod 304, the injection needle body 1 is placed in the placing groove 203 and pushed forward, the needle head 103 is pricked into the skin of the patient to conduct injection, different injection angles are convenient to adjust for injection, the baffle 204 can limit the injection needle body 1, the clamping block 403 is clamped in the clamping groove 104, the fixing piece 4 is clamped and fixed with the needle tube 101, and the needle head 103 can be prevented from falling off during injection.

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

Claims

1. The special needle for subcutaneous injection comprises an injection needle body (1) and a supporting frame (2), and is characterized in that: the support frame (2) comprises a first support plate (201) and a second support plate (202), one ends of the first support plate (201) and the second support plate (202) are connected through a pin rod, an adjusting mechanism (3) is arranged between the first support plate (201) and the second support plate (202), the injection needle body (1) is placed on the first support plate (201), and a fixing piece (4) is arranged at one end of the injection needle body (1);

the adjusting mechanism (3) comprises a threaded rod (301), a moving groove (302) is formed in the second supporting plate (202), the threaded rod (301) is rotationally connected in the moving groove (302), a moving block (303) is connected to the threaded rod (301) in a threaded mode, a supporting rod (304) is connected to the moving block (303) through a pin rod, and the other end of the supporting rod (304) is connected with the first supporting plate (201).

2. The hypodermic needle of claim 1, wherein: the other end of the supporting rod (304) is connected with a connecting block (305) through a pin rod, and the connecting block (305) is welded at one end of the first supporting plate (201).

3. The hypodermic needle of claim 1, wherein: one end of the threaded rod (301) is fixedly connected with a rotary table (306), and an anti-slip ring (307) is fixedly arranged on the outer side of the rotary table (306).

4. The hypodermic needle of claim 1, wherein: the lower end of the second supporting plate (202) is fixedly provided with a sponge layer (308), and one side of the movable groove (302) is provided with a graduated scale (309).

5. The hypodermic needle of claim 1, wherein: a placing groove (203) is formed in the first supporting plate (201), a baffle plate (204) is fixedly arranged at one end of the placing groove (203), and a through hole (205) is formed in the baffle plate (204).

6. The hypodermic needle of claim 5, wherein: the injection needle body (1) comprises a needle tube (101), a piston rod (102) and a needle head (103), wherein the piston rod (102) is movably connected in the needle tube (101), the needle head (103) is connected to one end of the needle tube (101), the needle tube (101) is placed in the placing groove (203), and the needle head (103) penetrates through the through hole (205).

7. The hypodermic needle of claim 6, wherein: the fixing piece (4) comprises a fixing ring (401), connecting rods (402) are fixedly arranged at two ends of the fixing ring (401), clamping blocks (403) are fixedly arranged at the other ends of the connecting rods (402), two clamping grooves (104) are formed in one end of the needle tube (101), and the clamping blocks (403) are clamped in the clamping grooves (104).

8. The hypodermic needle of claim 7, wherein: the fixing ring (401) is in contact connection with the needle (103), and one end of the needle (103) penetrates through the fixing ring (401).