Anti-stabbing infusion apparatus

Abstract

The utility model relates to an anti-stabbing infusion apparatus which comprises a shell, an inner groove is formed in the top of the inner arc face of the shell, a connecting cap is movably connected to the inner side wall of the inner groove in a clamped mode, an outer arc sleeve is arranged on the lower surface of the connecting cap, an outer protruding part is arranged on the outer arc face of the outer arc sleeve, and the outer arc face of the outer protruding part is movably connected with the inner groove in a clamped mode. A connecting sleeve is fixedly installed in the middle of the lower surface of the connecting cap, a hollow structure is arranged on the inner arc face of the connecting sleeve, an inclined face is arranged on the outer arc face of the connecting sleeve, and clamping grooves are formed in the inclined faces of the two sides of the connecting sleeve. The retraction of the stab-resistant pipe sleeve is also clamped in the circular ring groove and synchronously contracts into the pipe along with the stab-resistant pipe sleeve, the bottom spring plate abuts against the shell through the abutting part to be correspondingly clamped to achieve self-locking, the stab-resistant pipe sleeve can be released, the stab-resistant pipe sleeve is contracted in the shell through the guide sleeve and the needle tip end of the stab-resistant pipe sleeve, and the stab-resistant pipe sleeve can be locked. And an operator can be effectively prevented from being punctured by the needle tube accidentally.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an anti-stab infusion set. Background Art

[0002] Currently, disposable infusion needles used in clinical practice are all covered with a protective cover before the puncture operation to prevent accidental stabbing of medical staff. However, after the infusion is completed, the medical staff needs to remove the needle. Since the needle tip of the infusion needle is exposed without a protective cover, when the medical staff recovers the pulled out infusion needle, the needle tip can easily stab the medical staff or the person handling medical waste, increasing the occupational exposure risk of medical staff. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In order to solve the above problems in the prior art, the utility model provides a stab-proof infusion set, which prevents the movable handle from rotating arbitrarily and interfering with the puncture operation, and is provided with a protective cover that can wrap the needle, that is, the needle can be protected by the protective cover before the puncture operation.

[0005] (II) Technical solution

[0006] In order to achieve the above purpose, the main technical solutions adopted by the utility model are:

[0007] A stab-proof infusion set comprises a shell, an inner groove is provided at the top of the inner arc surface of the shell, a connecting cap is movably engaged with the inner side wall of the inner groove, an outer arc sleeve is provided on the lower surface of the connecting cap, an outer arc sleeve is provided on the outer arc surface of the outer arc sleeve, the outer arc surface of the outer arc sleeve is movably engaged with the inner groove, a connecting sleeve is fixedly installed on the middle part of the lower surface of the connecting cap, a hollow structure is provided on the inner arc surface of the connecting sleeve, an inclined surface is provided on the outer arc surface of the connecting sleeve, slots are provided on the inclined surfaces on both sides of the connecting sleeve, a guide sleeve is penetrated and connected on the inner arc surface of the connecting sleeve, through grooves are provided on both sides of the outer arc surface of the guide sleeve, a buckle protrusion is provided in the through groove on the surface of the guide sleeve, and one end of the buckle protrusion is movably engaged in the slot.

[0008] There are two snap-on protrusions, which are distributed in a mirror-symmetrical manner. The inner arc surface of the connecting sleeve is penetrated and connected with a stab-proof tube sleeve. A positioning block is provided in the middle of the outer arc surface of the stab-proof tube sleeve. A connecting groove is provided at the bottom of the outer arc surface of the connecting sleeve. The connecting groove and the snap-on groove are in the same plane.

[0009] The outer arc surface of the positioning block is movably clamped in the connecting groove, the inner arc surface of the puncture-proof tube sleeve is provided with an inner ring groove, the inner ring groove is composed of large and small diameters, and the large-diameter inner arc surface of the inner ring groove is provided with a circular ring groove.

[0010] The inner arc surface of the inner annular groove is penetrated and connected with a needle tube, the top end of the needle tube is provided with a support cap, the outer arc surface of the support cap is movably clamped in the annular groove, and the puncture-proof tube sleeve penetrates to the outside of the lower surface of the shell.

[0011] A spring plate is connected through the outer arc surface of the puncture-proof tube sleeve, a reset spring is fixedly installed on the upper surface of the positioning block, an elastic part is provided on the outer arc surface of the spring plate, and a tightening part is provided on one side of the spring plate.

[0012] One end of the return spring is fixedly mounted on the inner bottom of the support cap, and a pressing portion on one side of the spring plate is movably overlapped on the bottom of the inner arc surface of the shell.

[0013] (III) Beneficial effects

[0014] The beneficial effects of the utility model are:

[0015] 1. The guide sleeve is connected through the card slot, and because buckle protrusions are provided on both sides of the guide sleeve to be engaged with the card slot, it can not only be freely disassembled, but also prevent the guide sleeve from driving the needle tube to rotate during use.

[0016] 2. The reset spring will be deformed and reset, and the puncture-proof tube sleeve will be pulled back into the shell at the same time. The retraction of the puncture-proof tube sleeve will also be locked in the annular groove and will shrink into the tube synchronously with the puncture-proof tube sleeve. The bottom spring plate is locked with the shell through the abutment part to achieve self-locking, and the puncture-proof tube sleeve can be released. The guide sleeve and the tip of the puncture-proof tube sleeve are retracted in the shell, which can effectively prevent the needle from accidentally stabbing the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall expanded structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 It is a partial structural schematic diagram of the utility model.

[0021] [Description of Reference Numerals]

[0022] 1. Shell; 101. Inner groove; 2. Connecting cap; 201. Outer arc sleeve; 202. Outer convex part; 3. Connecting sleeve; 301. Clamping groove; 302. Connecting groove; 4. Guide sleeve; 401. Buckle convex block; 5. Anti-puncture tube sleeve; 501. Positioning block; 6. Inner ring groove; 601. Circular ring groove; 7. Needle tube; 701. Support cap; 8. Spring plate; 801. Elastic part; 802. Pressing part; 9. Reset spring. DETAILED DESCRIPTION

[0023] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0024] Please refer to Figures 1 to 4 As shown, a stab-proof infusion set of the utility model comprises a shell 1, an inner groove 101 is provided at the top of the inner arc surface of the shell 1, a connecting cap 2 is movably connected to the inner side wall of the inner groove 101, an outer arc sleeve 201 is provided on the lower surface of the connecting cap 2, an outer arc surface of the outer arc sleeve 201 is provided with an outer convex portion 202, the outer arc surface of the outer convex portion 202 is movably connected to the inner groove 101, a connecting sleeve 3 is fixedly installed in the middle of the lower surface of the connecting cap 2, the inner arc surface of the connecting sleeve 3 is provided with a hollow structure, the outer arc surface of the connecting sleeve 3 is provided with an inclined surface, and the inclined surfaces on both sides of the connecting sleeve 3 are provided with a card slot. The inner arc surface of the connecting sleeve 3 is connected with the guide sleeve 4, and the outer arc surface of the guide sleeve 4 is provided with through grooves on both sides. The through groove on the surface of the guide sleeve 4 is provided with a buckle protrusion 401, and one end of the buckle protrusion 401 is movably engaged in the buckle slot 301. The number of the buckle protrusions 401 is two and they are distributed in a mirror-symmetrical manner. The inner arc surface of the connecting sleeve 3 is connected with the puncture-proof tube sleeve 5, and the middle part of the outer arc surface of the puncture-proof tube sleeve 5 is provided with a positioning block 501. The bottom of the outer arc surface of the connecting sleeve 3 is provided with a connecting groove 302, and the connecting groove 302 and the buckle slot 301 are in the same plane. In the actual implementation process, the connection between the housing 1 and the connecting cap 2 will make the entire housing 1 in a wrapped structure, and the outer arc sleeve 201 at the bottom of the connecting cap 2 is provided with an outer protrusion 202 that will be engaged with the inner groove 101. The purpose is to open the connecting cap 2 for replacement after the needle tube 7 is used. The connecting sleeve 3 is fixed on the lower surface of the connecting cap 2, and the outer arc surface of the connecting sleeve 3 is provided with a buckle slot 301.

[0025] Optionally, the outer arc surface of the positioning block 501 is movably engaged in the connecting groove 302, and the inner arc surface of the puncture-proof tube sleeve 5 is provided with an inner ring groove 6, which is composed of a large and a small diameter, and the inner arc surface of the large diameter of the inner ring groove 6 is provided with a circular ring groove 601. In the actual implementation process, in order to ensure that the puncture-proof tube sleeve 5 that protects the needle tube 7 during use does not rotate, the guide sleeve 4 is connected through the slot 301, and because the buckle protrusions 401 are provided on both sides of the guide sleeve 4, they will be engaged with the slot 301, so that it can not only be freely disassembled, but also prevent the guide sleeve 4 from driving the needle tube 7 to rotate during use.

[0026] Optionally, the inner arc surface of the inner annular groove 6 is connected with a needle tube 7, a support cap 701 is provided at the top of the needle tube 7, the outer arc surface of the support cap 701 is movably engaged in the annular groove 601, and the puncture-proof tube sleeve 5 is extended to the outside of the lower surface of the housing 1. In the actual implementation process, the protection of the needle tube 7 is realized by the puncture-proof tube sleeve 5 so that the guide sleeve 4 is connected to the infusion tube; when removing the needle, the operator can pull the puncture-proof tube sleeve 5 with one hand and remove the needle with the other hand by driving the needle tube 7.

[0027] Optionally, the outer arc surface of the stab-proof tube sleeve 5 is connected with a spring plate 8, and the upper surface of the positioning block 501 is fixedly installed with a reset spring 9. The outer arc surface of the spring plate 8 is provided with an elastic part 801, and one side of the spring plate 8 is provided with a tight part 802. One end of the reset spring 9 is fixedly installed on the inner bottom of the support cap 701, and the tight part 802 on one side of the spring plate 8 is movably overlapped with the bottom of the inner arc surface of the housing 1. In the actual implementation process, when the self-locking of the positioning block 501 in the connecting groove 302 is released, the stretched reset spring 9 will be deformed and reset, and at the same time, the stab-proof tube sleeve 5 will be pulled back into the housing 1, and the retraction of the stab-proof tube sleeve 5 will also be locked in the annular groove 601 and will shrink into the tube synchronously with the stab-proof tube sleeve 5. The bottom spring plate 8 is locked with the housing 1 through the tight part 802 to achieve self-locking, and the stab-proof tube sleeve 5 can be released. The needle tip of the guide sleeve 4 and the stab-proof tube sleeve 5 shrinks in the housing 1, which can effectively prevent the needle tube 7 from accidentally stabbing the operator.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description and the drawings, and the specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A stab-proof infusion set, comprising a housing (1), characterized in that: The top of the inner arc surface of the shell (1) is provided with an inner groove (101), the inner side wall of the inner groove (101) is movably engaged with a connecting cap (2), the lower surface of the connecting cap (2) is provided with an outer arc sleeve (201), the outer arc surface of the outer arc sleeve (201) is provided with an outer convex portion (202), the outer arc surface of the outer convex portion (202) is movably engaged with the inner groove (101), a connecting sleeve (3) is fixedly installed in the middle of the lower surface of the connecting cap (2), and the connecting cap (2) is provided with an outer arc sleeve (201). The inner arc surface of the sleeve (3) is provided with a hollow structure, the outer arc surface of the connecting sleeve (3) is provided with an inclined surface, the inclined surfaces on both sides of the connecting sleeve (3) are provided with clamping grooves (301), the inner arc surface of the connecting sleeve (3) is connected with a guide sleeve (4), the outer arc surface of the guide sleeve (4) is provided with through grooves on both sides, a buckle protrusion (401) is provided in the through groove on the surface of the guide sleeve (4), and one end of the buckle protrusion (401) is movably clamped in the clamping groove (301).

2. The stab-proof infusion set according to claim 1, characterized in that: The number of the buckle protrusions (401) is two and they are distributed in a mirror-symmetrical manner. The inner arc surface of the connecting sleeve (3) is penetrated and connected with a puncture-proof tube sleeve (5). A positioning block (501) is provided in the middle of the outer arc surface of the puncture-proof tube sleeve (5). A connecting groove (302) is provided at the bottom of the outer arc surface of the connecting sleeve (3). The connecting groove (302) and the clamping groove (301) are in the same plane.

3. The stab-proof infusion set according to claim 2, characterized in that: The outer arc surface of the positioning block (501) is movably engaged in the connecting groove (302), and the inner arc surface of the puncture-proof tube sleeve (5) is provided with an inner ring groove (6), and the inner ring groove (6) is composed of large and small diameters, and the large-diameter inner arc surface of the inner ring groove (6) is provided with a circular ring groove (601).

4. The stab-proof infusion set according to claim 3, characterized in that: The inner arc surface of the inner annular groove (6) is penetrated and connected with a needle tube (7), the top end of the needle tube (7) is provided with a support cap (701), the outer arc surface of the support cap (701) is movably engaged in the annular groove (601), and the puncture-proof tube sleeve (5) penetrates to the outside of the lower surface of the shell (1).

5. The stab-proof infusion set according to claim 4, characterized in that: The outer arc surface of the puncture-proof tube sleeve (5) is penetrated and connected with a spring plate (8), the upper surface of the positioning block (501) is fixedly mounted with a reset spring (9), the outer arc surface of the spring plate (8) is provided with an elastic part (801), and one side of the spring plate (8) is provided with a tightening part (802).

6. The stab-proof infusion set according to claim 5, characterized in that: One end of the return spring (9) is fixedly mounted on the inner bottom of the support cap (701), and a pressing portion (802) on one side of the spring plate (8) is movably overlapped on the bottom of the inner arc surface of the housing (1).

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