Auxiliary fixing device for single-hand back-sleeving of needle cap

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an auxiliary fixing device for a single-hand back-sleeving needle cap. The auxiliary fixing device comprises a plurality of needle cap fixers and connecting mechanisms arranged between every two adjacent needle cap fixers. The needle cap fixer comprises a base, a needle cap sleeve rotatably arranged on the base and an angle fixing assembly arranged between the base and the needle cap sleeve; the needle cap sleeve comprises a needle sleeve groove formed in the needle cap sleeve, a clamping frame movably arranged on the needle cap sleeve and used for clamping the needle cap, and a movable fixing assembly arranged between the needle cap sleeve and the clamping frame. By limiting the specific structure of the needle cap fixator, the placement angle and the opening orientation of the needle cap sleeve can be changed according to the actual situation through the angle fixing assembly arranged between the base and the needle cap sleeve, the needle cap sleeve can adapt to operation wrists of different medical workers, excessive buckling of the wrists during operation of the medical workers is reduced, and the operation safety of the medical workers is improved. And the single-hand sleeving operation of medical staff is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical instruments, and particularly relates to an auxiliary fixing device for one-handed needle cap back fitting. BACKGROUND

[0002] When a disposable syringe is used in the process of adding medicine, blood sampling or injection, medical staff first pulls out the needle cap with hands, and then carries out the syringe medicine adding, blood sampling or injection operation, and then the medical staff needs to handle the used syringe, fits the pulled out waste needle into the needle cap, and according to the nursing disinfection isolation management regulation and the safe injection requirement, in order to avoid the needle point being polluted when back fitting and the needle stick injury caused by two-handed needle cap back fitting, two-handed needle cap back fitting is prohibited in the operation process, and only one-handed syringe needle cap back fitting can be carried out. However, one-handed back fitting operation is inconvenient, the needle cap inlet is small and the position is not fixed, and the needle cap cannot be accurately back fitted. SUMMARY

[0003] The utility model discloses a kind of auxiliary fixing devices for one-handed needle cap back fitting, which can be accurately back fitted to avoid being stabbed, to overcome the shortcomings of prior art.

[0004] The utility model discloses the following technical solutions:

[0005] An auxiliary fixing device for one-handed needle cap back fitting comprises a plurality of needle cap fixers connected in sequence from left to right and a connecting mechanism arranged between two adjacent needle cap fixers; the needle cap fixer comprises a base, a needle cap sleeve rotatably arranged on the base and an angle fixing assembly arranged between the base and the needle cap sleeve; the needle cap sleeve comprises a needle sleeve groove formed in the needle cap sleeve, a clamping frame movably arranged on the needle cap sleeve and located above the needle sleeve groove for clamping the needle cap and a moving fixing assembly arranged between the needle cap sleeve and the clamping frame.

[0006] Further, the angle fixing assembly comprises a ball arranged at the lower end of the needle cap sleeve, a ball groove formed at the top of the base and matched with the ball, a fixing sleeve arranged on the base for fixing the ball and an adjusting screw arranged on the fixing sleeve and capable of being tightly matched with the ball in the fixing sleeve; when the adjusting screw moves to the side away from the ball, the ball can rotate between the ball groove and the fixing sleeve.

[0007] Further, the fixing sleeve is formed with a fixing hole for embedding the ball, and the diameter of the fixing hole gradually decreases towards the needle cap sleeve.

[0008] Further, the angle fixing assembly further comprises a fixing member arranged between the fixing sleeve and the base, and the fixing member comprises two fixing screw holes oppositely arranged on the base, two fixing counterbores oppositely arranged on the fixing sleeve and corresponding to the two fixing screw holes and a fixing bolt passing through the fixing counterbores and matched with the fixing screw holes.

[0009] Further, the clamping frame comprises a support body movably arranged on one side of the needle cap sleeve, a clamping ring arranged at the front end of the support body for the needle cap to pass through, and a clamping piece arranged in the clamping ring for fixing the needle cap.

[0010] Further, the clamping piece comprises a clamping block arranged in the clamping ring and a return spring having one end connected to the inner wall of the clamping ring and the other end connected to the clamping block.

[0011] Further, the clamping block comprises an arc-shaped clamping block body matched with the shape of the outer surface of the needle cap and a clamping handle arranged on one side of the arc-shaped clamping block body to drive the arc-shaped clamping block body to move.

[0012] Further, the moving fixing assembly comprises a moving slot arranged on the support body, a positioning hole arranged on one side of the needle cap sleeve, and a positioning bolt capable of passing through the moving slot and the positioning hole to abut the support body against the positioning hole.

[0013] Further, the connecting mechanism comprises connecting blocks and connecting slots arranged on both sides of the base, respectively, and when a plurality of needle cap fixators are fixedly connected, the connecting block on one needle cap fixator can be embedded in the connecting slot of the adjacent needle cap fixator.

[0014] Further, the base is provided with a magnet at the bottom, which can be fixed on a metal countertop.

[0015] From the above description of the utility model, compared with the prior art, the beneficial effects of the utility model are as follows: through the cooperation between the plurality of needle cap fixators connected from left to right and the connecting mechanism arranged between the two adjacent needle cap fixators, one needle cap fixator can be used alone to place one needle cap, or a plurality of needle cap fixators can be used to place a plurality of needle caps, which is convenient to assemble and is beneficial to medical staff to use, thereby improving the practicability of the utility model; at the same time, the specific structure of the needle cap fixator is limited, so that the needle cap sleeve can change the placement angle and the opening direction of the needle cap sleeve through the angle fixing assembly arranged between the base and the needle cap sleeve, can adapt to the operating wrist of different medical staff, reduces the overflexion of the wrist of the medical staff during operation, and is more beneficial to the medical staff to realize the operation of one-handed back sleeve; wherein, the specific structure of the needle cap sleeve is further limited, so that the needle sleeve groove can realize the operation of one-handed back sleeve and needle cap removal through the cooperation between the clamping frame movably arranged on the needle cap sleeve for clamping the needle cap and the moving fixing assembly arranged between the needle cap sleeve and the clamping frame, so that the needle is not easily contaminated and the risk of needle stick injury is reduced.

[0016] Through the cooperation between the clamping block arranged in the clamping ring and the return spring having one end connected to the inner wall of the clamping ring and the other end connected to the clamping block, the back sleeve of the needle cap with different diameters can be applied, thereby improving the applicability of the utility model;

[0017] The needle cap fixer is fixed to the metal table through the magnet arranged at the bottom of the base, and is stable in installation and convenient to remove. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The auxiliary fixing device is shown in the structure diagram.

[0019] Figure 2 The needle cap fixer is shown in the structure diagram.

[0020] Figure 3 The needle cap fixer is shown in the structure diagram Figure 1 .

[0021] Figure 4 The needle cap fixer is shown in the structure diagram Figure 2 .

[0022] Figure 5 The needle cap fixer is shown in the structure diagram.

[0023] In the figure: 1-needle cap fixer, 11-base, 12-needle cap sleeve, 121-needle sleeve slot, 122-clamping frame, 123-moving fixing assembly, 1231-moving slot, 1232-positioning hole, 1233-positioning bolt, 124-support body, 125-clamping ring, 126-clamping piece, 127-clamping block, 1271-arc-shaped clamping block body, 1272-clamping handle, 128-return spring, 13-angle fixing assembly, 14-rolling ball, 15-rolling ball slot, 16-fixing sleeve, 161-fixing hole, 7-adjusting screw, 18-fixing piece, 181-fixing screw hole, 182-fixing counterbore, 183-fixing bolt, 19-magnet, 2-connection mechanism, 21-connection block, 22-connection slot. DETAILED DESCRIPTION

[0024] The auxiliary fixing device is further described through the specific embodiments.

[0025] As Figures 1 to 5 shown, the embodiment provides an auxiliary fixing device for single-handedly sleeving needle cap, which comprises a plurality of needle cap fixers 1 connected in sequence from left to right and a connection mechanism 2 arranged between two adjacent needle cap fixers 1.

[0026] The needle cap fixing device 1 comprises a base 11, a needle cap sleeve 12 rotatably arranged on the base 11, and an angle fixing assembly 13 arranged between the base 11 and the needle cap sleeve 12. The angle of the needle cap sleeve 12 and the opening direction can be changed according to actual conditions through the angle fixing assembly 13, which can adapt to the operating wrist of different medical staff, reduce the over flexion of the wrist of the medical staff during operation, and be more conducive to the one-handed operation of the medical staff. Specifically, the angle fixing assembly 13 comprises a ball 14 arranged at the lower end of the needle cap sleeve 12, a ball groove 15 formed at the top of the base 1 and matched with the ball 14, a fixing sleeve 16 arranged on the base 11 and used for fixing the ball 14, and an adjusting screw 17 arranged on the fixing sleeve 16 and matched with the ball 14 in the fixing sleeve 16. When the adjusting screw 17 moves to the side away from the ball 14, the ball 14 can rotate between the ball groove 15 and the fixing sleeve 16. During use, the needle cap sleeve 12 swings in the ball groove 15 under the driving of the ball 14, and the needle cap sleeve 12 is fixed at a position suitable for the medical staff to return the needle cap through the adjusting screw 17. Further, the fixing sleeve 16 is formed with a fixing hole 161 for embedding the ball 14, and the diameter of the fixing hole 161 gradually decreases towards the needle cap sleeve 12. Further, the angle fixing assembly 13 further comprises a fixing member 18 arranged between the fixing sleeve 16 and the base 11 and used for fixing the fixing sleeve 16 on the base 11. The fixing member 18 comprises two fixing screw holes 181 arranged oppositely on the base 11, two fixing counterbores 182 arranged on the fixing sleeve 16 and corresponding to the two fixing screw holes 181, and fixing bolts 183 passing through the fixing counterbores 182 and matched with the fixing screw holes 181. Further, the base 11 is provided with a magnet 19 at the bottom, which can be fixed on a metal table top, and is stable in installation and convenient to remove.

[0027] The needle cap sleeve 12 comprises a needle sleeve groove 121 formed in the needle cap sleeve 12, a clamping frame 122 movably arranged on the needle cap sleeve 121 and located above the needle sleeve groove 121 for clamping the needle cap, and a moving fixing assembly 123 arranged between the needle cap sleeve 12 and the clamping frame 122; through cooperation between the needle sleeve groove 121, the clamping frame 122 and the moving fixing assembly 123, one-handed operation of the needle cap can be realized, so that the needle is not easily contaminated and the risk of needle stick injury is reduced; specifically, the clamping frame 122 comprises a support body 124 movably arranged on one side of the needle cap sleeve 12, a clamping ring 125 arranged at the front end of the support body 124 and allowing the needle cap to pass through, and a clamping piece 126 arranged in the clamping ring 125 for fixing the needle cap; in use, medical staff can insert the syringe with the needle cap into the needle sleeve groove 121 through the clamping ring 125, and when the syringe is pulled out, the needle cap is separated from the syringe under the action of the clamping piece 126, so that the needle cap does not need to be removed by hand, which is convenient for medical staff to use, and when the needle cap is sleeved, the needle cap is fixed in the clamping ring 125, so that medical staff can accurately sleeve; further, the clamping piece 126 comprises a clamping block 127 arranged in the clamping ring 125 and a return spring 128 connected to one end of the clamping ring 125 and the other end of the clamping block 127; through cooperation between the clamping block 127 and the return spring 128, the sleeve can be applied to needle caps of different diameters, thereby improving the applicability of the utility model; further, the clamping block 127 comprises an arc-shaped clamping block body 1271 matched with the shape of the outer surface of the needle cap and a clamping handle 1272 arranged on one side of the arc-shaped clamping block body 1271 and capable of driving the arc-shaped clamping block body 1271 to move; further, the moving fixing assembly 123 comprises a moving groove 1231 arranged on the support body 124, a positioning hole 1232 arranged on one side of the needle cap sleeve 12, and a positioning bolt 1233 capable of passing through the moving groove 1231 and the positioning hole 1232 and abutting the support body 124 against the positioning hole 1232.

[0028] The connecting mechanism 2 comprises connecting blocks 21 and connecting grooves 22 arranged on both sides of the base 11; specifically, when a plurality of needle cap fixers 1 are fixedly connected, the connecting block 21 on one needle cap fixer 1 can be embedded in the connecting groove 22 of the adjacent needle cap fixer 1; through the connecting mechanism 2, one needle cap fixer 1 can be used to place one needle cap, and a plurality of needle cap fixers 1 can be used to place a plurality of needle caps, which is convenient to assemble and is beneficial to medical staff to use, thereby improving the practicability of the utility model.

[0029] In summary, by means of the above technical scheme of the utility model, through the cooperation between the multiple needle cap fixers 1 connected from left to right and the connecting mechanism 2 arranged between the adjacent two needle cap fixers 1, one needle cap can be placed by using one needle cap fixer 1, and multiple needle caps can be placed by using multiple needle cap fixers 1, and the assembly is convenient, which is beneficial to the use of medical staff and improves the practicability of the utility model; in addition, through the angle fixing assembly 13 arranged between the base 11 and the needle cap sleeve 12, the placing angle and the opening direction of the needle cap sleeve can be changed according to the actual situation, the operation wrist of different medical staff can be adapted, the wrist of the medical staff is not excessively flexed during operation, and it is more beneficial for the medical staff to realize the operation of one-handed back sleeve; in addition, through the cooperation between the clamping frame 122 movably arranged on the needle cap sleeve 12 and used for clamping the needle cap and the moving fixing assembly 123 arranged between the needle cap sleeve 12 and the clamping frame 122, the operation of one-handed back sleeve and needle cap removal can be realized, the needle is not easy to be polluted, and the risk of needle stick injury is reduced; in addition, through the cooperation between the clamping block 127 arranged in the clamping ring 125 and the reset spring 128 connected to the inner wall of the clamping ring 125 at one end and connected to the clamping block 127 at the other end, the back sleeve of needle caps with different diameters can be adapted, and the applicability of the utility model is improved; in addition, through the magnet 19 arranged at the bottom of the base 11, the needle cap fixer 1 can be fixed to the metal table top, which is stable and convenient to remove.

[0030] The above is only a preferred embodiment of the utility model, and therefore cannot limit the range of the utility model implementation, that is, equivalent changes and modifications made according to the scope and content of the utility model application should still be within the scope covered by the utility model application.

Claims

1. A single-handed back-capping needle cap assist fixture, characterized by: The needle cap fixing device comprises a plurality of needle cap fixing devices connected in sequence from left to right and connecting mechanisms arranged between two adjacent needle cap fixing devices.

2. The single-handed needle cap recapping aid of claim 1, wherein: The angle fixing assembly comprises a ball arranged at the lower end of the needle cap sleeve, a ball groove formed at the top of the base and matched with the ball, a fixing sleeve arranged on the base for fixing the ball, and an adjusting screw arranged on the fixing sleeve and matched with the ball in the fixing sleeve.

3. The single-handed needle cap recapping aid of claim 2, wherein: The fixing sleeve is formed with a fixing hole for embedding the ball, and the diameter of the fixing hole gradually decreases towards the needle cap sleeve.

4. The single-handed needle cap recapping aid of claim 2, wherein: The angle fixing assembly further comprises a fixing member arranged between the fixing sleeve and the base, and the fixing member comprises two fixing screw holes arranged oppositely on the base, two fixing counterbores arranged on the fixing sleeve and corresponding to the two fixing screw holes, and a fixing bolt passing through the fixing counterbores and matched with the fixing screw holes.

5. The single-handed needle cap recapping assist device of claim 1, wherein: The clamping frame comprises a support body movably arranged on one side of the needle cap sleeve, a clamping ring arranged at the front end of the support body and allowing the needle cap to pass through, and a clamping member arranged in the clamping ring for fixing the needle cap.

6. The single-handed needle cap recapping assist device of claim 5, wherein: The clamping member comprises a clamping block arranged in the clamping ring and a return spring having one end connected with the inner wall of the clamping ring and the other end connected with the clamping block.

7. The single-handed needle cap recapping assist device of claim 6, wherein: The clamping block comprises an arc-shaped clamping block body matched with the shape of the outer surface of the needle cap and a clamping handle arranged on one side of the arc-shaped clamping block body and capable of moving the arc-shaped clamping block body.

8. The single-handed needle cap recapping aid of claim 5, wherein: The moving fixing assembly comprises a moving groove arranged on the support body, a positioning hole arranged on one side of the needle cap sleeve, and a positioning bolt capable of passing through the moving groove and the positioning hole and abutting the support body against the positioning hole.

9. The single-handed needle cap recapping aid of claim 1, wherein: The connecting mechanism comprises connecting blocks and connecting grooves arranged on both sides of the base, respectively.

10. The single-handed needle cap recapping assist device of claim 1, wherein: The base is provided with a magnet at the bottom and can be fixed on a metal table top.

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