TWI724935B - Syringe structure - Google Patents

Abstract

The present invention is to provide an injection syringe structure, which is mainly provided with a needle tube part, the needle tube part is set in a bellows shape, the bottom of the needle tube part is provided with a convex body, the top of the convex body is provided with a caulking edge, and the needle tube part is The top of the needle tube is provided with a fixing flange, the top surface of the needle tube part is provided with a pressing part extending outwards on both sides, the top surface of the needle tube part is provided with a convex ring and a perforation, and a fixing seat is attached to the fixed convex part of the needle tube part. In the rim, the fixing seat is provided with a groove, and the groove is provided with a fixing ring groove for embedding with the inlaid edge on the convex body in the needle tube portion. The bottom edge of the fixing seat is provided with a plurality of The guide groove of the groove, a needle is fixed on the fixing seat, the bottom end of the needle is connected to the groove of the fixing seat, the needle extends through the perforation of the top surface of the needle tube, and a cover The system is covered on the needle, and the cover is embedded in the convex ring of the needle tube part. In this way, the fixed seat can drive the needle to retract in the needle tube part, so that the needle can be hidden in the needle after the injection is completed. The inside of the needle tube prevents the risk of being punctured by the needle, making the use of the syringe safer.

Description

Syringe structure

The present invention relates to an injection syringe structure, and particularly refers to a needle that can be hidden in the needle tube part after the injection is completed, which can prevent the danger of being punctured by the needle.

According to the general medical injection syringe, it is mainly composed of a syringe, a push rod and a needle. The conventional injection syringe must be assembled on the syringe before the injection of medicine. Then insert the needle into the medicine bottle, pull the push rod inserted in the syringe, use the needle to attract the medicine into the syringe, then insert the needle into the patient and press the push rod to hold the needle The medicine in the barrel is squeezed and injected into the patient's body to complete the injection of the medicine. However, the conventional injection syringe is more troublesome in the process of injecting the medicine, and because the needle has a slender needle body, it is easy for medical staff. Accidents caused by needle sticks, so most people put a needle cover on the needle to avoid needle stick accidents, but it is often used when the needle is set on the syringe or the needle cover is to be put back on the needle after injection of the medicine. During the process, there is still a risk of viral infection due to accidental injury from the injection needle.

The main purpose of the present invention is to provide an injection syringe structure, which can effectively solve the lack of the injection syringe after use.

The injection syringe structure of the present invention is mainly provided with a needle tube part, the needle tube part is set in a bellows shape, the bottom of the needle tube part is provided with a convex body, the top of the convex body is provided with an inlaid edge, and the top part of the needle tube part is provided with a convex body. A fixing flange is provided with a pressing part extending outward on both sides of the top surface of the needle tube part. The top surface of the needle tube part is provided with a convex ring and a perforation. A fixing seat is arranged in the fixing flange in the needle tube part. The fixing seat is provided with a groove, the groove is provided with a fixed ring groove for embedding with the embedding edge on the convex body in the needle tube portion, and the bottom edge of the fixing seat is provided with a plurality of grooves communicating with the groove Guide groove, a needle is fixedly arranged on the fixing seat, the bottom end of the needle is connected in the groove of the fixing seat, the needle extends through the perforation of the top surface of the needle tube, and a cover system is provided On the needle, the cover is embedded in the convex ring of the needle tube.

The injection syringe structure of the present invention has the advantages that the needle can be hidden in the needle tube after the injection of the medicine is completed, the risk of being punctured by the needle can be prevented, and the safety of medical personnel can be provided.

Regarding the technical means adopted by the present invention in order to achieve the above-mentioned use purposes and effects, a preferred and feasible embodiment is presented and shown in the drawings, and the details are as follows:

For the embodiment of the present invention, please refer to the first and second figures. The injection syringe 1 is mainly provided with a needle tube portion 10, the needle tube portion 10 is configured as a bellows shape, and the bottom of the needle tube portion 10 is provided with a convex body 11 , The top of the convex body 11 is provided with a caulking edge 110, the top of the needle tube portion 10 is provided with a fixing flange 12, the top surface of the needle tube portion 10 is provided with a pressing portion 13 extending outward on both sides, and the needle tube portion 10 A convex ring 14 and a perforation 15 are provided on the top surface. A fixing seat 2 is arranged in the fixing flange 12 in the needle tube portion 10. The fixing seat 2 is provided with a groove 20, and the groove 20 is provided with a supply A fixed ring groove 21 embedded with the embedding edge 110 on the convex body 11 in the needle tube portion 10, the bottom edge of the fixed seat 2 is provided with a plurality of guide grooves 22 connected to the groove 20, and a needle 23 is The needle 23 is fixed on the fixing base 2, and the bottom end of the needle 23 is connected to the groove 20 of the fixing base 2, and the needle 23 penetrates the through hole 15 on the top surface of the needle tube portion 10, and a cover 3 is The cover is arranged on the needle 23, and the cover 3 is embedded in the convex ring 14 of the needle tube portion 10, so that it is an injection syringe structure.

When the present invention is used, please refer to Figures 3-7. After the cover 3 is removed from the top surface of the needle tube portion 10, and the needle 23 protruding from the needle tube portion 10 is inserted into the patient's body, the medical staff Just use your thumb to support the bottom of the needle tube part 10, hold the pressing parts 13 on both sides of the top surface of the needle tube part 10 with two fingers (as shown in the third figure), and then press the pressing part 13 and the bottom of the needle tube part 10 , And then squeeze the needle tube part 10, so that the patient can be injected with medicine, and the bellows-shaped needle tube part 10 is compressed, and the medicine A in the needle tube part 10 is squeezed by the guide groove at the bottom of the holder 2 22 and the groove 20 enter the needle 23, and the medicine A can be injected into the patient's body from the tip of the needle 23, and the convex body 11 of the needle tube part 10 is set into the groove 20 of the fixing base 2. The convex body 11 can completely squeeze out the medicine A in the needle tube part 10 (as shown in the fourth and fifth pictures), so that the injection of the medicine A can be completed; and after the medicine A is completely injected (as shown in the fourth picture) , The fixing seat 2 arranged in the top of the needle tube portion 10 moves down and is sleeved on the convex body 11 in the bottom of the needle tube portion 10, and the inlay 110 on the convex body 11 is embedded in the fixing seat 2 In the ring groove 21, the fixing seat 2 is fixed on the convex body 11 of the needle tube part 10; when the medicine A is injected, only the pressing force on the needle tube part 10 and the pressing part 13 needs to be loosened, and the bellows of the needle tube part 10 The wall surface is elastically restored to its original shape (as shown in Figures 6 and 7), and the needle 23 on the fixed seat 2 is located in the needle tube portion 10, so that the needle 23 is not exposed. In this way, the entire injection of the medicine A can be completed. With this action, the present invention can hide the needle 23 after the injection is completed in the needle tube portion 10, can prevent the danger of being punctured by the needle, and can indeed achieve the safety of use.

In summary, the present invention has indeed achieved the intended purpose and effect of use, and is more ideal and practical than the conventional ones. However, the above-mentioned embodiments are only specific descriptions of the preferred embodiments of the present invention. This embodiment is not intended to limit the scope of patent application of the present invention, and all other equivalent changes and modifications made without departing from the technical means disclosed in the present invention should be included in the scope of patent application covered by the present invention.

1: Syringe 10: Needle tube 11: convex body 110: Inlay 12: fixed flange 13: Pressing part 14: Convex ring 15: Piercing 2: fixed seat 20: Groove 21: fixed ring groove 22: guide groove 23: Needle 3: cover A: Pharmacy

The first figure shows a three-dimensional view of an embodiment of the invention. The second figure shows a cross-sectional view of an embodiment of the present invention. The third figure is a schematic diagram of the use of holding the injection syringe according to the embodiment of the present invention. The fourth figure is a schematic cross-sectional view of the compression needle tube injection according to the embodiment of the present invention. The fifth figure is a three-dimensional schematic diagram of the embodiment of the present invention after the medicament is completely injected. Figure 6 is a schematic cross-sectional view of the hidden needle according to the embodiment of the present invention. Figure 7 is a three-dimensional schematic diagram of the hidden needle according to the embodiment of the present invention.

1: Syringe

10: Needle tube

11: convex body

110: Inlay

12: fixed flange

13: Pressing part

14: Convex ring

15: Piercing

2: fixed seat

20: Groove

21: fixed ring groove

22: guide groove

23: Needle

3: cover

A: Pharmacy

Claims (1)

An injection syringe structure is mainly provided with a needle tube part, the needle tube part is set in a bellows shape, the bottom of the needle tube part is provided with a convex body, the top of the convex body is provided with a caulking edge, and the top of the needle tube part is provided with a fixing The top surface of the needle tube part is provided with a pressing part extending outward on both sides of the top surface of the needle tube part. The top surface of the needle tube part is provided with a convex ring and a perforation. A fixing seat is arranged in the fixed flange of the needle tube part. The seat is provided with a groove, and the groove is provided with a fixed ring groove for embedding with the embedding edge on the convex body in the needle tube portion. The bottom edge of the fixed seat is provided with a plurality of guides connected to the groove A groove, a needle is fixed on the fixing seat, the bottom end of the needle is connected to the groove of the fixing seat, the needle extends through the perforation on the top surface of the needle tube, and a cover system is arranged on the On the needle, the cover is embedded in the convex ring of the needle tube.

Images