TWI710386B - syringe - Google Patents

Abstract

The present invention provides a syringe which is mainly provided with a needle tube part, the bottom of the needle tube part is provided with a lower positioning seat, the top of the needle tube part is provided with an upper positioning seat, and a compression part is provided above the upper positioning seat. A pressing part is arranged above the upper part, a needle is fixed on the upper positioning seat and located in the compression part, the needle tip of the needle is located below the puncture surface of the pressing part, and an upper protrusion is provided on the inner wall of the lower positioning seat The outer wall of the upper positioning seat is provided with an upper ring groove and a lower ring groove, and a plurality of telescopic positioning rings are sleeved between the upper positioning seat and the lower positioning seat. The telescopic positioning ring is The cover is set on the outside of the needle tube part, and the telescopic positioning ring is provided with positioning protrusions and positioning grooves for mutual embedding. In this way, the design of the telescopic positioning ring outside the needle tube part can be adapted to the person being injected The required dose of medicine is injected in segments, which makes the injection of medicine more convenient.

Description

syringe

The present invention relates to a syringe, in particular to a segmented injection that can be injected according to the dose required by the person to be injected, so that the injection of drugs is more convenient.

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 set on the syringe before the injection of medicine. Then insert the needle into the medicament 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 hold 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 in use during use. Medical personnel are prone to accidents caused by needle stick injuries. Therefore, most people put a needle cover on the needle to avoid needle stick accidents. However, it is often because the needle cover is about to be put back on the needle after the injection of the medicine. Accidentally being stabbed by an injection needle may cause a risk of viral infection, and the use of conventional injection syringes and needle covers, etc., causes a large amount of medical waste to be generated, and the cost of medical waste treatment is extremely large.

The main purpose of the present invention is to provide a syringe that can effectively solve the lack of injection syringes in use.

The syringe of the present invention is mainly provided with a needle tube part, the needle tube part is made of bellows shape, the bottom of the needle tube part is provided with a lower positioning seat, the lower positioning seat is provided with a convex body, and the top of the needle tube part is provided with an upper positioning seat Seat, the upper positioning seat is provided with a perforation, the bottom surface of the upper positioning seat is provided with a fixing seat, the fixing seat is provided with a groove, and the bottom edge of the fixing seat is provided with a plurality of guiding grooves communicating with the groove, A positioning block is arranged on the top edge of the upper positioning seat, a compression part is arranged above the upper positioning seat, and the compression part is set in a cone-shaped bellows shape. A pressing part is arranged above the compression part, and the pressing part The middle part is set as the puncture surface, the two sides of the pressing part are extended with a buckle piece, the bottom surface of the buckle piece is provided with a hook for interlocking with the positioning block of the upper positioning seat, and a needle is secured Set on the perforation of the upper positioning base, the bottom end of the needle is connected to the groove of the fixing base, the needle is located in the compression part, and the needle tip of the needle is located below the piercing surface of the pressing part; It is characterized in that: the inner wall of the lower positioning seat is provided with an upper flange and a lower flange, the outer wall of the upper positioning seat is provided with an upper ring groove and a lower ring groove, the upper positioning seat and the lower positioning seat are A number of telescopic positioning rings sleeved in between are arranged, the telescopic positioning ring is arranged outside the needle tube part, and the telescopic positioning ring is provided with positioning protrusions and positioning grooves for mutual embedding.

The advantage of the syringe of the present invention is that the needle, the needle tube and the medicament are integrated, which can provide medical personnel with the safety of using the injection syringe, and the needle can be retracted and hidden in the injection syringe without the need for a needle cover. Inside, it can prevent the danger of needle sticks, reduce the amount of medical waste generated, and reduce the cost of medical waste treatment. With the design of the telescopic positioning ring outside the needle tube, it can be in accordance with the needs of the person being injected The dose of medicine is injected in segments, which makes the injection of medicine more convenient.

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 syringe 1 is mainly provided with a needle tube portion 10, the needle tube portion 10 is configured as a bellows shape, the bottom of the needle tube portion 10 is provided with a positioning seat 11, the The lower positioning seat 11 is provided with a convex body 110, the inner wall of the lower positioning seat 11 is provided with an upper flange 111 and a lower flange 112, the top of the needle tube portion 10 is provided with an upper positioning seat 12, and the upper positioning seat 12 is A perforation 120 is provided. The bottom surface of the upper positioning base 12 is provided with a fixing base 121, the fixing base 121 is provided with a groove 122, and the bottom edge of the fixing base 121 is provided with a plurality of guiding grooves 123 connected to the groove 122 , The top edge of the upper positioning seat 12 is provided with a positioning block 124, the outer wall of the upper positioning seat 12 is provided with an upper ring groove 125 and a lower ring groove 126, between the upper positioning seat 12 and the lower positioning seat 11 There are several telescopic positioning rings 13 sleeved with each other. The telescopic positioning ring 13 is arranged outside the needle tube portion 10, and the telescopic positioning ring 13 is provided with positioning protrusions 130 and positioning grooves for mutual embedding 131. A compression portion 14 is provided above the upper positioning seat 12, and the compression portion 14 is set in a cone-shaped accordion shape. A pressing portion 15 is provided above the compression portion 14, and the middle portion of the pressing portion 15 is set as a piercing surface 150. A buckle piece 151 is extended on both sides of the pressing portion 15. The bottom surface of the buckle piece 151 is provided with a hook 152 for interlocking with the positioning block 124 of the upper positioning seat 12, and a needle 16 The needle 16 is fixed on the through hole 120 of the upper positioning base 12, the bottom end of the needle 16 is connected to the groove 122 of the fixing base 121, the needle 16 is located in the compression part 14, and the needle point 160 of the needle 16 And located below the puncture surface 150 of the pressing portion 15, the needle tube portion 10 is injected with the medicine A, so that it is a syringe structure.

When the present invention is used, please refer to Figures 3 to 8. The medical staff only needs to support the bottom of the needle tube portion 10 with their thumbs, and hold two fingers on the buckle piece 151 of the pressing portion 15 (as shown in Figure 3). (Shown), press the retaining piece 151 and the positioning seat 11 under the bottom of the needle tube portion 10, so that the pressing portion 15 squeezes the compression portion 14 and moves upward the positioning seat 12, and the needle tip 160 of the needle 16 located in the compression portion 14 The piercing surface 150 of the pressing portion 15 is pierced and extended. At the same time, the conical bellows-shaped compression portion 14 is compressed by the pressing portion 15 to be compressed into a folded state, and the positioning block 124 of the upper positioning seat 12 Then it is clamped in the hook 152 at the bottom of the buckle piece 151, and the pressing part 15 is positioned on the upper positioning seat 12 without loosening (as shown in Figures 4 and 5). In this way, the patient can be treated with medicine For injection, insert the needle tip 160 of the needle 16 protruding from the puncture surface 150 of the pressing part 15 into the patient's body, and then press the needle tube part 10 against the pressing part 15, and the bellows-shaped needle tube part 10 is compressed , The medicine A in the needle tube portion 10 is squeezed into the needle 16 from the groove 122 at the bottom of the fixing seat 121 and the guide groove 12 (as shown in Figures 7 and 8), and the medicine A can be injected by the needle 160 Into the patient's body, and the convex body 110 on the positioning seat 11 under the needle tube part 10 is set into the groove 122 of the fixing seat 121, and the convex body 110 can completely squeeze the medicine A in the needle tube part 10 In this way, the injection of the medicine A can be completed; and the present invention can be injected according to the different dosage of the medicine required by the person to be injected, for example: children, adults, and the elderly because of the telescopic positioning ring 13 outside the needle tube part 10 Different doses of medicine required by humans can be injected in segments. When injecting in segments (as shown in the sixth figure), the upper positioning seat 12 is folded into the telescopic positioning ring 13 to make the inner wall surface of the telescopic positioning ring 13 The upper positioning protrusion 130 is embedded in the upper ring groove 125 and the lower ring groove 126 of the upper positioning seat 12 and is positioned to complete the injection volume of the first stage. The injection volume of each stage can be set to 10ml. If you want to increase the injection volume, Then continue to press the pressing portion 15 to move down, and the telescopic positioning rings 13 outside the needle tube portion 10 are in a closed state, and the injection volume of each telescopic positioning ring 13 is also set to 10ml. The uppermost telescopic positioning ring 13 is set Into the lower telescopic positioning ring 13 so that the positioning protrusion 130 on the inner wall surface of each telescopic positioning ring 13 and the positioning groove 131 on the outer wall surface are embedded in each other, and when the medicine A must be completely injected (as shown in Figures 7 and 8 (Shown), each telescopic positioning ring 13 is completely folded into the lower positioning seat 11, so that the setting of each telescopic positioning ring 13 controls the injection volume of medicine A each time the needle tube 10 is pressed, for different age groups The injected person injects an appropriate amount of medicine A; after the injection of medicine A, only need to loosen the pressing force of the syringe part 10 and the pressing part 15, and the bellows-shaped wall surface of the syringe part 10 will elastically return to its original shape (such as (Shown in the four figures), then unfasten the hook 152 of the pressing portion 15 and the positioning block 124 of the upper positioning seat 12, the tapered shape The bellows-shaped compression part 14 also elastically returns to push the pressing part 15 up and back to the original position. The compression part 14 and the pressing part 15 again cover the needle 16 so that the needle 16 is not exposed. In this way, the entire injection can be completed. Action of the medicament; the present invention integrates the needle, the needle tube and the medicament, which can hide the needle 16 inside the syringe 1 to prevent the danger of being punctured by the needle, and can indeed achieve the safety of the injection syringe, and no additional installation is required The needle cover can reduce the generation and disposal cost of medical waste, and can simplify the operation procedure of injecting drugs, making the injection of drugs more convenient.

To sum up, 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. For example, all other equivalent changes and modifications completed 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: Lower positioning seat 110: convex body 111: Upper flange 112: Lower flange 12: Upper positioning seat 120: Piercing 121: fixed seat 122: Groove 123: guide slot 124: positioning card block 125: upper ring groove 126: Lower ring groove 13: Telescopic positioning ring 130: positioning convex 131: positioning groove 14: Compression section 15: Pressing part 150: Piercing 151: Buckle piece 152: Card Hook 16: Needle 160: Needle Point A: Pharmacy

The first figure shows a perspective view of an embodiment of the invention. The second figure shows the combined cross-sectional view of the embodiment of the present invention. The third figure is a schematic diagram of the use of holding the syringe according to the embodiment of the present invention. The fourth figure is a perspective view of the embodiment of the present invention when the needle is pushed out for the first time. The fifth figure is a schematic cross-sectional view of the first pressing needle of the embodiment of the present invention. The sixth figure is a schematic cross-sectional view of the first stage of pressing the injection medicine according to the embodiment of the present invention. The seventh figure shows a perspective view of the complete injection of the medicament according to the embodiment of the present invention. Figure 8 is a schematic cross-sectional view of the complete injection of the medicament according to the embodiment of the present invention.

1: Syringe

10: Needle tube

11: Lower positioning seat

110: convex body

111: Upper flange

112: Lower flange

12: Upper positioning seat

120: Piercing

121: fixed seat

122: Groove

123: guide slot

124: positioning card block

125: upper ring groove

126: Lower ring groove

13: Telescopic positioning ring

130: positioning convex

131: positioning groove

14: Compression section

15: Pressing part

150: Piercing

151: Buckle piece

152: Card Hook

16: Needle

160: Needle Point

A: Pharmacy

Claims (1)

A syringe is mainly provided with a needle tube part, the needle tube part is made of a bellows shape, the bottom of the needle tube part is provided with a lower positioning seat, the lower positioning seat is provided with a convex body, and the top of the needle tube part is provided with an upper positioning seat, The upper positioning seat is provided with a perforation, the bottom surface of the upper positioning seat is provided with a fixing seat, the fixing seat is provided with a groove, and the bottom edge of the fixing seat is provided with a plurality of guide grooves communicating with the groove. A positioning block is arranged on the top edge of the positioning seat, and a compression part is arranged above the upper positioning seat. The compression part is set in a cone-shaped bellows shape. A pressing part is arranged above the compression part and the middle part of the pressing part Set as a piercing surface, a buckle piece is extended on both sides of the pressing part, the bottom surface of the buckle piece is provided with a hook for interlocking with the positioning block of the upper positioning seat, and a needle is fixed on On the perforation of the upper positioning base, the bottom end of the needle is connected to the groove of the fixing base, the needle is located in the compression part, and the needle tip of the needle is located below the piercing surface of the pressing part; It is characterized in that: the inner wall of the lower positioning seat is provided with an upper flange and a lower flange, the outer wall of the upper positioning seat is provided with an upper ring groove and a lower ring groove, the upper positioning seat and the lower positioning seat are A number of telescopic positioning rings sleeved in between are arranged, the telescopic positioning ring is arranged outside the needle tube part, and the telescopic positioning ring is provided with positioning protrusions and positioning grooves for mutual embedding.

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