Rapid needle inserting sterile needle blunting device with conical cutting edge

Abstract

The utility model discloses a quick needle insertion sterile blunt needle device with a conical cutting edge, which comprises a needle handle, one side of the needle handle is provided with a storage groove extending into the needle handle, the top of the storage groove is provided with a through groove communicated with the inside and the outside of the needle handle, both sides of the top of the needle handle are provided with fixing grooves, and the fixing grooves are communicated with the inside and the outside of the needle handle. A needle body extending to the outside of the needle handle is inserted into the containing groove, a needle point is arranged on the side, away from the needle handle, of the needle body, cutting edges are arranged at the top and the bottom of the needle point, and a fixing assembly extending to the outside of the needle body through a through groove is arranged on the side, close to the needle handle, of the top of the needle body; through the structural and shape design of the needle tip and the cutting edge, the tip end of a traditional blunt needle is changed to be in a shape of a cone with the cutting edge and two sides of the front end of the cone with the cutting edges, so that the cutting of adhered tissues is ensured, the resistance is small and the smoothness is high when the needle is inserted, and the pain of a patient is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a rapid needle - inserting sterile blunt needle device with a conical edge. Background Technique

[0002] The blunt needle, also known as the small acupuncture knife, is an acupuncture tool made of metal material, which is shaped like a needle and a knife. It is a common traditional Chinese medicine treatment method in clinical practice. Generally, it is used to peel adhesions of tendons and soft tissues to treat diseases such as tenosynovitis and chronic soft tissue injuries. Therefore, it is necessary to design a rapid needle - inserting sterile blunt needle device with a conical edge.

[0003] The tip of the traditional blunt needle is in a "round - tip shape" and has no edge. When in use, it cannot cut the adhesion tissue. The front end of the tip of some blunt needles is in a "trapezoid shape" and has no edges on both sides. Although the adhesion tissue can be cut after the needle is inserted, the smoothness of needle insertion is poor, and the pain of the patient is obvious. At the same time, most of the existing blunt needle bodies are exposed to the outside world, and a storage bag needs to be used for storage during later storage, reducing the inconvenience and tediousness of later storage protection. Content of the Utility Model

[0004] The purpose of the utility model is to provide a rapid needle - inserting sterile blunt needle device with a conical edge, which is convenient to change the tip of the blunt needle, from the traditional "round - tip shape" or "trapezoid shape" to a "conical shape" with an edge. It not only ensures the cutting of adhesion tissue, but also has small resistance and high smoothness during needle insertion, effectively reducing the pain of patients. At the same time, it can also realize the storage of the needle body, without the need for a special storage bag for storage and protection.

[0005] To achieve the above - mentioned purpose, a rapid needle - inserting sterile blunt needle device with a conical edge is provided, including: a needle handle, a storage groove extending to its interior is opened on one side of the needle handle, a through - groove communicating with the inside and outside of the needle handle is arranged at the top of the storage groove, fixing grooves are opened on both sides of the top of the needle handle, a needle body inserted into the storage groove and extending to the outside of the needle handle is arranged inside the storage groove, a needle tip is arranged on the side of the needle body away from the needle handle, edges are arranged at the top and bottom of the needle tip, and a fixing component extending to the outside of the needle body through the through - groove is arranged on the side of the needle body near the needle handle at the top, which is convenient to change the tip of the blunt needle, from the traditional "round - tip shape" or "trapezoid shape" to a "conical shape" with an edge. It not only ensures the cutting of adhesion tissue, but also has small resistance and high smoothness during needle insertion, effectively reducing the pain of patients. At the same time, it can also realize the storage of the needle body, without the need for a special storage bag for storage and protection.

[0006] According to the described rapid needle - inserting sterile blunt needle device with a conical edge, the fixing component includes a U - shaped clamping rod, a spring, a sleeve, and a sleeve rod. The sleeve is located on one side of the top of the needle body near the needle handle, and the sleeve extends to the outside of the needle handle through a through - slot. An extension sleeve rod is provided at the inner top of the sleeve, and a U - shaped clamping rod is provided at the top of the sleeve rod. The U - shaped clamping rod extends into the fixing groove and engages with it. A spring connected to the sleeve rod is provided at the inner bottom of the sleeve, which facilitates the storage of the needle body and the needle tip when not in use and improves the safety of later storage.

[0007] According to the described rapid needle - inserting sterile blunt needle device with a conical edge, the needle tip is conical, which is convenient for improving the later cutting operation of adherent tissues, enhancing the smoothness of needle insertion, and reducing the pain of patients.

[0008] According to the described rapid needle - inserting sterile blunt needle device with a conical edge, a through - opening is provided at the middle position of the inner top of the sleeve, and the through - opening cooperates with the sleeve rod to facilitate the insertion connection of the sleeve rod.

[0009] According to the described rapid needle - inserting sterile blunt needle device with a conical edge, the lengths of the bottoms of both sides of the U - shaped clamping rod are different, and the length of the U - shaped clamping rod near the needle body is shorter than the length of the U - shaped clamping rod near the needle handle, which is convenient for achieving a better clamping effect on the uneven heights on both sides of the needle handle.

[0010] According to the described rapid needle - inserting sterile blunt needle device with a conical edge, an anti - rust coating is sprayed on the outside of the spring to prevent the spring from rusting and affecting the later use effect.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: Through the structural and shape design of the needle tip and the edge, the traditional blunt needle tip with a "round tip" or "trapezoidal" shape can be changed to a "conical" shape with an edge, and there are edges on both sides of the conical front end. This not only ensures the cutting of adherent tissues, but also has small resistance and high smoothness during needle insertion, effectively reducing the pain of patients.

[0012] At the same time, through the structural design of the needle handle, the needle body, the needle tip, the through - slot, the storage groove, the U - shaped clamping rod, the fixing groove, the spring, the sleeve, and the sleeve rod, the storage and protection of the needle body and the needle tip can be realized. When not in use, the needle body and the needle tip can be stored inside the needle handle, reducing the stabbing phenomenon caused by the needle tip to medical staff in the later stage and improving the safety of later placement. And through the structural design of these components, there is no need to use a special cloth bag for storage in the later stage, increasing the flexibility and convenience of its storage and protection.

[0013] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a three - dimensional structural schematic diagram of a rapid - injection sterile blunt needle device with a conical edge of the present utility model;

[0016] Figure 2 It is a three - dimensional structural schematic diagram of a limit sleeve of a rapid - injection sterile blunt needle device with a conical edge of the present utility model;

[0017] Figure 3 It is a three - dimensional structural schematic diagram of the tip of a rapid - injection sterile blunt needle device with a conical edge of the present utility model;

[0018] Figure 4 It is a front - view sectional view of a rapid - injection sterile blunt needle device with a conical edge of the present utility model;

[0019] Figure 5 It is a rapid - injection sterile blunt needle device with a conical edge of the present utility model Figure 4 The enlarged view of part A.

[0020] In the figure: 1, needle handle; 2, needle body; 3, needle tip; 4, through - slot; 5, storage groove; 6, U - shaped clamping rod; 7, fixing groove; 8, spring; 9, sleeve; 10, sleeve rod; 11, edge. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-5 , an embodiment of the present utility model provides a technical solution: a rapid - injection sterile blunt needle device with a conical edge, including: a needle handle 1, a storage groove 5 extending to its interior is opened on one side of the needle handle 1, a through - slot 4 communicating with the inside and outside of the needle handle 1 is arranged at the top of the storage groove 5, fixing grooves 7 are opened on both sides of the top of the needle handle 1, a needle body 2 extending to the outside of the needle handle 1 is inserted and arranged inside the storage groove 5, a needle tip 3 is arranged on the side of the needle body 2 away from the needle handle 1, edges 11 are arranged at the top and bottom of the needle tip 3, and a fixing component extending to its outside through the through - slot 4 is arranged on the side of the needle body 2 close to the needle handle 1 at the top.

[0023] The fixing component includes a U-shaped clamping rod 6, a spring 8, a sleeve 9 and a sleeve rod 10. The sleeve 9 is located on one side of the top of the needle body 2 close to the needle handle 1, and the sleeve 9 extends to the outside of the needle handle 1 through the through groove 4. The inner top of the sleeve 9 is provided with a sleeve rod 10 extending to its outside. The top of the sleeve rod 10 is provided with a U-shaped clamping rod 6, and the U-shaped clamping rod 6 extends into the fixing groove 7 and is engaged with it. The inner bottom of the sleeve 9 is provided with a spring 8 connected to the sleeve rod 10.

[0024] The tip 3 of the needle is conical.

[0025] An opening is provided at the middle position of the inner top of the sleeve 9, and the opening is matched with the sleeve rod 10.

[0026] The bottom lengths on both sides of the U-shaped clamping rod 6 are different, and the length of the U-shaped clamping rod 6 on the side close to the needle body 2 is shorter than the length of the U-shaped clamping rod 6 on the side close to the needle handle 1.

[0027] The outside of the spring 8 is sprayed with an anti-rust coating.

[0028] Working principle: During use, the operator can directly pull the U-shaped clamping rod 6 to drive the sleeve rod 10 to move inside the sleeve 9, realizing the stretching of the spring 8. At the same time, through the movement of the U-shaped clamping rod 6, it can also disengage from the inside of a set of fixing grooves 7 to release the limit on the needle body 2. Then, the sleeve 9 drives the needle body 2 and the tip 3 to move inside the receiving groove 5, so that the needle body 2 and the tip 3 can be removed to the outside of the needle handle 1, facilitating later use. Finally, release the U-shaped clamping rod 6, and the elastic restoring force of the spring 8 can drive the U-shaped clamping rod 6 to return to its original position, so that the other side of the U-shaped clamping rod 6 can be inserted into the fixing groove 7 to fix the removed positions of the needle body 2 and the tip 3. Through the structural design of this component, the functions of receiving and removing the needle body 2 and the tip 3 can be realized, facilitating the operator to take them according to actual operation needs later, and improving the safety of later storage.

[0029] Finally, through the shape structure design of the tip 3 and the cutting edges 11 provided on both sides, the later needle insertion efficiency of this blunt needle can be effectively improved, reducing the pain of the patient. And the length of the tip 3 is 0.2 mm, and the blade width is 0.05 mm.

[0030] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. A quick - entry sterile blunt needle device with a conical cutting edge, comprising: The needle handle (1), characterized in that a storage groove (5) extending into its interior is provided on one side of the needle handle (1), a through groove (4) communicating with the inside and outside of the needle handle (1) is provided at the top of the storage groove (5), fixing grooves (7) are provided on both sides of the top of the needle handle (1), a needle body (2) extending to the outside of the needle handle (1) is inserted and provided inside the storage groove (5), a needle tip (3) is provided on one side of the needle body (2) away from the needle handle (1), cutting edges (11) are provided at the top and bottom of the needle tip (3), and a fixing assembly extending to the outside thereof through the through groove (4) is provided on one side of the top of the needle body (2) close to the needle handle (1).

2. The aseptic blunt needle device with a tapered cutting edge for rapid needle insertion according to claim 1, wherein: The fixing assembly includes a U-shaped clamping rod (6), a spring (8), a sleeve (9) and a sleeve rod (10). The sleeve (9) is located on one side of the top of the needle body (2) close to the needle handle (1), and the sleeve (9) extends to the outside of the needle handle (1) through the through groove (4). A sleeve rod (10) extending to the outside thereof is provided at the inner top of the sleeve (9). A U-shaped clamping rod (6) is provided at the top of the sleeve rod (10), and the U-shaped clamping rod (6) extends into the fixing groove (7) and is engaged therewith. A spring (8) connected to the sleeve rod (10) is provided at the inner bottom of the sleeve (9).

3. A rapid needle insertion sterile blunt needle device with a conical cutting edge as claimed in claim 1, wherein: The needle tip (3) is conical.

4. The rapid needle - inserting sterile blunt needle device with a conical cutting edge according to claim 2, wherein: A through opening is provided at the middle position of the inner top of the sleeve (9), and the through opening is matched with the sleeve rod (10).

5. The aseptic blunt needle device with a tapered cutting edge for rapid needle insertion according to claim 1, wherein: The bottom lengths of both sides of the U-shaped clamping rod (6) are different, and the length of the U-shaped clamping rod (6) on the side close to the needle body (2) is shorter than the length of the U-shaped clamping rod (6) on the side close to the needle handle (1).

6. The quick - advancing sterile blunt needle device with a tapered cutting edge according to claim 2, wherein: An anti-rust coating is sprayed on the outside of the spring (8).

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