Anti-needling syringe

Abstract

The utility model relates to the technical field of injectors, and discloses an anti-needling injector which comprises an injector mechanism, the injector mechanism comprises an injector body, a connecting port is fixedly arranged at the front end of the injector body, an anti-needling mechanism is fixedly arranged on the outer surface of the connecting port, the anti-needling mechanism comprises a fixing sleeve, and the fixing sleeve is fixedly connected with the injector body. First adjusting belts are fixedly arranged on the upper side and the lower side of the front end of the fixing sleeve, a second adjusting belt is hinged to the middles of the two first adjusting belts, a sliding cover is fixedly arranged on one side of the second adjusting belt, a protective cap is clamped to the front end of the sliding cover, and a clamping groove is fixedly formed in the rear end of the protective cap. A piston rod is arranged in the injector body in a sliding mode. According to the disposable syringe, after being used, the disposable syringe does not need to be repeatedly sleeved with a protective cap like a traditional syringe, the needle point can be rapidly covered only by slightly pushing the sliding cover, medical staff or other users are effectively prevented from being punctured by the needle, and operation safety and convenience are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of syringe technology, and in particular to an anti-needle-puncture syringe. Background Technology

[0002] A syringe is a common medical device, mainly used to inject drugs or liquids into human tissues. It consists of multiple parts, including an outer sheath, a core, a rubber stopper, a cone, a handle, and a needle. It is mainly used to inject drugs or liquids into human tissues and can also be used to draw samples. Before use, a protective cap is attached to the needle to prevent bacteria from entering the needle and to prevent the needle from pricking the staff.

[0003] Existing syringes require the protective cap to be removed during use, and then put back on the needle after use to prevent staff from being injured during transport. However, the protective cap is small and easily falls off after removal, and it is also troublesome to put it back on the needle. This process is time-consuming and laborious, reduces the efficiency of medical staff, and is inconvenient for people to use.

[0004] Therefore, those skilled in the art have provided a needle-puncture resistant injector to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an anti-needle-puncture syringe. Unlike traditional syringes, this device eliminates the need for repeated capping after use. Simply push the sliding cover gently to quickly cover the needle tip, effectively preventing needle pricks to medical personnel or other users. This significantly improves operational safety and convenience. The first and second adjustment belts work together to precisely adjust the sliding position of the cover, preventing it from falling off due to excessive force and ensuring a smooth sliding process. This ensures the anti-needle-puncture function functions reliably and is user-friendly.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an anti-needle-puncture syringe, comprising a syringe mechanism, wherein the syringe mechanism comprises a syringe body, a connection port is fixedly provided at the front end of the syringe body, and an anti-needle-puncture mechanism is fixedly provided on the outer surface of the connection port;

[0007] The anti-needle puncture mechanism includes a fixed sleeve, with a first adjustment belt fixedly installed at the upper and lower front ends of the fixed sleeve, a second adjustment belt hinged between the two first adjustment belts, and a sliding cover fixedly installed on one side of the second adjustment belt.

[0008] Furthermore, a protective cap is snapped onto the front end of the sliding cover, and a slot is fixedly provided at the rear end of the protective cap.

[0009] Further, the syringe body is internally slidably provided with a piston rod.

[0010] Further, the syringe body is externally provided with a scale line at one side.

[0011] Further, the syringe body is externally provided with a scale line at one side.

[0012] Further, the syringe body is externally provided with a scale line at one side.

[0013] Further, the syringe body is externally provided with a scale line at one side.

[0014] Further, the syringe body is externally provided with a scale line at one side.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model provides a needle -prick -proof syringe, and after the device is used, the needle -prick -proof syringe does not need to be repeatedly provided with a protective cap like traditional syringes, but only needs to push the sliding cover slightly, so that the needle tip can be quickly covered, medical staff or other users are effectively prevented from being pricked, and the operation safety and convenience are greatly improved, the first adjusting belt cooperates with the second adjusting belt, the sliding position of the sliding cover is accurately adjusted, the sliding cover can be prevented from falling due to sliding too fast, and the sliding process is ensured stable, so that the needle -prick -proof function is stably exerted, and the user is facilitated to operate.

[0017] 2. The utility model provides a needle -prick -proof syringe, and the needle -prick -proof mechanism and the syringe mechanism of the device are closely combined, the fixed sleeve stably installs the needle -prick -proof mechanism on the outer surface of the connecting port, the overall structure is compact, does not occupy too much space additionally, is convenient to store, carry and use, and the needle -prick -proof mechanism is made of biodegradable materials such as polylactic acid (PLA), poly 3-hydroxy alkanoate (PHA) and the like, and after decomposition, no toxic substances are generated, while meeting the medical use demand, the burden on the environment is greatly reduced, the environmental protection concept is met, and sustainable development is beneficial. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the axial view schematic diagram of the utility model;

[0019] Figure 2 It is the side view axial view schematic diagram of the utility model;

[0020] Figure 3 It is the true section schematic diagram of the syringe body of the utility model;

[0021] Figure 4 It is the unfolded axial view schematic diagram of the needle -prick -proof mechanism of the utility model.

[0022] LEGEND:

[0023] 1, syringe mechanism; 2, needle stick prevention mechanism; 101, syringe body; 102, piston rod; 103, connecting port; 104, injection needle; 105, scale line; 106, piston body; 201, fixed sleeve; 202, No. 1 adjusting belt; 203, No. 2 adjusting belt; 204, sliding cover; 205, protective cap; 206, clamping block; 207, clamping groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Referring to Figures 1-4 An embodiment provided by the utility model: a needle stick prevention syringe, comprising a syringe mechanism 1, the syringe mechanism 1 includes a syringe body 101, the connecting port 103 is fixedly arranged at the front end of the syringe body 101, the piston rod 102 is slidably arranged in the syringe body 101, the scale line 105 is fixedly arranged at the one side position of the outer surface of the syringe body 101, the injection needle 104 is fixedly arranged at the front end middle position of the connecting port 103, and the piston body 106 is fixedly arranged at the front end of the piston rod 102;

[0026] Specifically, the syringe body 101 is beneficial to the injection of medical staff, the connecting port 103 is beneficial to the installation of the injection needle 104 and the installation of the needle stick prevention mechanism 2, the piston rod 102 cooperates with the piston body 106 to be used, which is beneficial to the injection and extraction of liquid medicine, the scale line 105 is beneficial to the clear and intuitive reading of the injection dose, the accurate control of the drug amount and the improvement of the accuracy of medical operation, and the injection needle 104 is beneficial to the cooperation with the syringe body 101 and the injection of medicine into the patient's muscle.

[0027] Referring to Figures 3-4 The connecting port 103 is fixedly provided with a needle stick prevention mechanism 2, the needle stick prevention mechanism 2 includes a fixed sleeve 201, the No. 1 adjusting belt 202 is fixedly arranged at the front end upper and lower side positions of the fixed sleeve 201, the No. 2 adjusting belt 203 is hingedly arranged at the middle part of the two No. 1 adjusting belts 202, the sliding cover 204 is fixedly arranged at one side of the No. 2 adjusting belt 203, the protective cap 205 is connected to the front end of the sliding cover 204, the clamping groove 207 is fixedly arranged at the rear end of the protective cap 205, the clamping block 206 is fixedly arranged at the front end middle position of the sliding cover 204, and the needle stick prevention mechanism 2 is made of degradable plastic.

[0028] Specifically, after the device is used, the protective cap 205 does not need to be repeatedly sleeved like a traditional syringe, and only needs to be gently pushed to quickly cover the needle tip, effectively preventing the medical staff or other users from being pricked by the needle, greatly improving the operation safety and convenience. The first adjusting belt 202 and the second adjusting belt 203 cooperate to accurately adjust the sliding position of the sliding cover 204, which can prevent the sliding cover 204 from sliding too fast and falling off, and can also ensure the smooth sliding process and stable play of the needle protection function, which is beneficial to the user operation. The fixed sleeve 201 is arranged to facilitate the stable installation of the device on the outer surface of the connecting port 103. The first adjusting belt 202 and the second adjusting belt 203 are used in cooperation to adjust the sliding position of the sliding cover 204, which can prevent the sliding cover 204 from sliding too fast and falling off, and can also improve the stability of the sliding cover 204 when sliding, which is convenient to use. The front end of the sliding cover 204 is clamped and arranged with a protective cap 205, which is used to protect the injection needle 104. When in use, the protective cap 205 needs to be removed. After the syringe is used, the protective cap 205 does not need to be repeatedly sleeved, and the sliding cover 204 can be directly pushed to the head of the injection needle 104, which is quick and convenient. Only a gentle push can cover the needle tip to prevent needle stick injury. The clamping groove 207 and the clamping block 206 are used in cooperation to facilitate the clamping and installation of the protective cap 205 on the outer surface of the sliding cover 204. The needle protection mechanism 2 of the device adopts degradable plastic, which is mainly made of biodegradable materials such as polylactic acid PLA and poly-3-hydroxyalkanoate PHA. They will not produce toxic substances after decomposition, are friendly to the environment, and reduce the environmental burden.

[0029] Working principle: The medical staff holds the syringe body 101, pulls the piston rod 102, drives the piston body 106 to move backward, uses the negative pressure formed in the syringe body 101 to extract the liquid medicine, and the scale line 105 can assist in accurately controlling the extraction amount at this time. When injecting, the piston rod 102 is pushed to make the piston body 106 extrude the liquid medicine forward, and the liquid medicine is injected into the patient's body through the injection needle 104 installed at the connecting port 103.

[0030] Secondly, the fixed sleeve 201 is tightly fixed on the outer surface of the connecting port 103, providing stable support for the whole needle-sticking prevention structure, the first adjusting belt 202 and the second adjusting belt 203 cooperate with each other, the first adjusting belt 202 provides basic fixing and limiting, and the second adjusting belt 203 flexibly adjusts the sliding path of the sliding cover 204 by using the hinged structure, the two work together to ensure the stable sliding of the sliding cover 204 and prevent it from falling easily due to external force, and also allow the user to smoothly adjust the position of the sliding cover 204, before use, the protective cap 205 is clamped with the front end clamping block 206 of the sliding cover 204 through the rear end clamping groove 207, tightly protecting the injection needle 104, when in use, remove the protective cap 205, after use, without re-covering the protective cap 205, just push the sliding cover 204 to the head of the injection needle 104, which can quickly shield the needle tip, effectively prevent needle-sticking injury, and protect the safety of medical staff and surrounding personnel, at the same time, the needle-sticking prevention mechanism 2 is made of degradable plastic material, which naturally degrades after use, reducing the environmental burden, the needle-sticking prevention mechanism 2 of the device is tightly combined with the syringe mechanism 1, the fixed sleeve 201 stably installs the needle-sticking prevention mechanism 2 on the outer surface of the connecting port 103, the overall structure is compact, without occupying too much space, convenient for storage, carrying and use, and the needle-sticking prevention mechanism 2 is made of degradable plastic, such as polylactic acid (PLA), poly-3-hydroxyalkanoate (PHA) and other biodegradable materials, which will not produce toxic substances after decomposition, meeting the medical use requirements, greatly reducing the burden on the environment, in line with the environmental protection concept, and conducive to sustainable development.

[0031] Finally, it should be pointed out that: the above only preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A needle-stick safe syringe comprising a syringe mechanism (1) characterised in that: Said injector mechanism (1) includes an injector body (101), the front end of which is fixedly provided with a connecting port (103), and the outer surface of the connecting port (103) is fixedly provided with a needle stick prevention mechanism (2); Said needle stick prevention mechanism (2) includes a fixed sleeve (201), the upper and lower sides of the front end of which are fixedly provided with a first adjusting belt (202), and the middle portions of the two first adjusting belts (202) are hingedly provided with a second adjusting belt (203), one side of the second adjusting belt (203) being fixedly provided with a sliding cover (204).

2. A safety needle assembly according to Claim 1, wherein: The front end of the sliding cover (204) is clampedly provided with a protective cap (205), and the rear end of the protective cap (205) is fixedly provided with a clamping groove (207).

3. A safety needle assembly as defined in claim 1, wherein: The inside of the injector body (101) is slidably provided with a piston rod (102).

4. A safety needle assembly as defined in claim 1, wherein: The outer surface of the injector body (101) is fixedly provided with a scale line (105) on one side.

5. The safety needle injector of claim 1, wherein: The front end of the connecting port (103) is fixedly provided with an injection needle (104) in the middle portion.

6. A safety needle assembly as defined in claim 3, wherein: The front end of the piston rod (102) is fixedly provided with a piston body (106).

7. A safety needle assembly as defined in claim 1, wherein: The front end of the sliding cover (204) is fixedly provided with a clamping block (206) in the middle portion.

8. A safety needle assembly as defined in claim 1, wherein: The needle stick prevention mechanism (2) is made of degradable plastic.

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