TWM545602U - Safe syringe structure - Google Patents

Description

Safety syringe structure

The present invention relates to a syringe structure, in particular to a safety syringe structure capable of covering a needle with a tube body while completing the injection to achieve efficiency and safety.

Press, because the injection of the syringe is an invasive treatment, the needle needs to be inserted into the human skin, so that after the needle is used, the body fluid often remains on the needle or inside the needle; therefore, there are many The medical or medical waste disposal personnel, due to improper handling of the needle after the injection of the syringe, resulted in accidental stab wound by the needle of the syringe, and then infected with diseases such as AIDS, tuberculosis (TB) and other bloody infections.

In general, the needle barrel is provided with a needle cover at the needle, which not only protects the needle from damage or contamination before use, but also can be used to cover the needle after the syringe is used. Puncture the medical or medical waste disposal personnel to avoid infection of medical personnel or medical waste disposal personnel; however, when the medical staff needs to cover the used needle with a needle cover, the opening diameter of the needle cover is small. Therefore, the needle is not easily inserted into the needle cover, and the insertion angle is inaccurate or inadvertently caused to cause the deviation not to be inserted into the correct position, causing accidental needle sticking, thereby causing potential exposure to infectious diseases.

In addition to the above disadvantages, the conventional needle cover has the disadvantage that when the medical staff completes the injection, the needle cover needs to be taken and mounted on the needle, and there is still room for improvement in safety and efficiency.

In view of this, how to eliminate the above-mentioned deficiencies is the technical difficulty point that the creators of this case want to solve; however, the creators of this case are based on years of experience in relevant industries, and after many years of painstaking research, trial improvement, finally Successfully developed and completed the case, and enabled the new model to be born to enhance the efficacy.

In view of the above disadvantages, the safety syringe structure of the present invention comprises: a push rod having a first pushing portion and a second pushing portion at two ends thereof, the first pushing portion having at least one connection on one side thereof And a hollow tube body is disposed on the other end of the connecting member. And a syringe having an accommodating space therein, a flange extending from each of the two sides of the top surface of the barrel, the bottom surface of the barrel being provided with a convex hollow fixing portion, the fixing portion providing a mounting portion The needle body has a length greater than or equal to the length of the needle, and the second pushing portion of the push rod is received in the accommodating space, and the syringe is installed in the tube body.

The main purpose of the new safety syringe structure is that the tube can also be covered by the needle while the injection is completed, and the user does not need to additionally install a needle safety cover to improve efficiency and safety.

In order to make it easier for your review committee to understand the contents of this new model and the efficiencies that can be achieved, the specific examples are listed with reference to the drawings, as detailed below:

Referring to the first and second figures, the safety syringe structure 1 includes a first push rod 10 and a syringe 20, and the components are as follows:

The pusher 10 is provided with a first pushing portion 11 and a second pushing portion 12, and one side of the first pushing portion 11 is provided with at least one connecting member 111, and the other end of the connecting member 111 is provided with a connecting member 111. The hollow tubular body 112 has a tubular body 112 corresponding to the second pushing portion 12, and has a predetermined distance between the tubular body 112 and the second pushing portion 12.

At least one elastic member 13 is disposed on the connecting member 111 of the push rod 10.

The needle barrel 20 has an accommodating space 21 therein. A flange 22 extends from each side of the top surface of the barrel 20. The bottom surface of the barrel 20 is provided with a convex hollow fixing portion 23, and the fixing portion is provided. 23 is provided with a needle 24, the length of the tube 112 is greater than or equal to the length of the needle 24, and the second pushing portion 12 of the push rod 10 is received in the accommodating space 21, and the barrel 20 is The length of the syringe 20 is greater than or equal to the length of the tubular body 112, and the diameter of the syringe 20 is smaller than the diameter of the tubular body 112, thereby making the needle The cartridge 20 can be disposed within the tubular body 112.

An end surface of the tubular body 112 of the push rod 10 is provided with a stopper portion 1121. The stopper portion 1121 is provided with a through hole 1122 corresponding to the fixing portion 23 of the syringe barrel 20.

Referring to the first figure, in the initial state of the safety syringe structure 1, the connecting member 111 is provided with a step-like latching portion 113, and the latching portion 113 is engaged with the flange 22 so that the push rod 10 cannot move. Therefore, the connecting member 111 must be slightly moved outward before use. Since one end of the connecting member 111 is connected to the elastic member 13, the connecting member can be pulled outward to disengage the latching portion 113 from the flange 22, so that the push rod 10 can mobile.

In the third and fourth figures, in use, the accommodating space 21 of the syringe 20 is provided with a medicinal solution (not shown), and then the needle 24 is used for the injection of the human body. When the injection is performed, the pusher 10 is required to be pressed. a pushing portion 11, because the connecting member 111 is combined with the first pushing portion 11, the tubular body 112 is moved together with the push rod 10, and gradually covers the periphery of the needle 24, and when the push rod 10 continues to advance, the tubular body 112 The front end and the fingertip portion 1121 are in contact with the skin of the human body, and the tubular body 112 is contracted rearward by the elastic member 13 to facilitate the complete injection of the residual medicated water. When the needle 24 is pulled out, the tubular body 112 is not blocked by the human body. Therefore, the forward stretches, so that the needle 24 is completely located in the tube body 112, ensuring that the needle 24 does not stab to the person for safety purposes.

Referring to the first and fourth figures, after the tube body 112 is fully pushed out, the latching portion 113 and the flange 22 are locked, so that the tube body 112 is no longer moved toward the end of the first pushing portion 11, thereby further improving safety. .

Referring to FIG. 5 to FIG. 7 , the second embodiment of the safety syringe structure 1 is the same as that of the previous embodiment, so the same place is not described again. In this embodiment, the push rod 10 is The first pushing portion 11 is provided with a set of bodies 14. The bottom surface of the sleeve body extends out of a rod body 141. The end of the rod body 141 is provided with a fixing member 1411.

The top surface of the connecting member 111 is provided with a limiting hole 1111. The limiting hole 1111 is provided with a step portion 1112. The elastic member 13 is sleeved on the rod body 141. The rod body 141 is inserted into the limiting hole 1111, and The fixing member 1411 abuts against the step portion 1121 so that the rod body 141 does not fall off.

When the syrup is to be withdrawn, the link member 111 is first slightly pulled outward to disengage the latch portion 113 from the flange 22, so that the push rod 10 can be moved.

When the push rod 10 is pulled, the fixing member 1411 of the rod body 141 is abutted against the step portion 1121, thereby driving the connecting member 111 to move, so that the elastic member 13 is not pulled by force and damaged; when injecting, the rod body 141 enters. The limiting hole 1111 makes the injection process more stable.

Referring to the eighth embodiment to the tenth embodiment, in the third embodiment of the present invention, in the embodiment, the latching portion 113 is protruded from the inner side of the connecting member 111, and the latching portion 113 is oriented toward the syringe 20, and the card is inserted. The crotch portion 113 is engaged with the flange 22 so that the push rod 10 cannot be moved. Therefore, it is necessary to move the coupling member outward before use, and the click portion 113 is separated from the flange 22.

Further, in operation, the push rod 10 can be rotated to rotate the coupling member 111 to cause the latch portion 113 to be caught on the relatively convex flange 22. Referring to the tenth diagram, and in the present embodiment, The top surface of the latching portion 113 is higher than the bottom surface of the flange 22, so when the latching portion 113 and the flange 22 are to be locked, the push rod 10 is pressed, and the elastic member 13 is pressed down to push the connecting member 111. The push rod 10 is further rotated to engage the latch portion 113 with the flange 22. At this time, the elastic member 13 rebounds, pulling the link member 111, and the latch portion 113 is more closely engaged with the flange 22.

The detailed description above is a detailed description of one of the possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and equivalent implementations or modifications that are not departing from the spirit of the present invention should be included in the present invention. In the scope of patents.

1‧‧‧Safety syringe structure
10‧‧‧Put
11‧‧‧First Promotion Department
111‧‧‧Links
1111‧‧‧Limited holes
1112‧‧Class Department
112‧‧‧ tube body
1121‧‧‧stop
1122‧‧‧through hole
113‧‧‧Card Department
12‧‧‧ Second Promotion Department
13‧‧‧Flexible components
14‧‧‧ Socket
141‧‧‧ rod body
1411‧‧‧Fixed components
20‧‧‧Syringe
21‧‧‧ accommodating space
22‧‧‧Flange
23‧‧‧ Fixed Department
24‧‧‧ needle

The first figure is a three-dimensional appearance of the new model. The second figure is an exploded perspective view of the new model. The third figure is a schematic diagram of the use of the new model. The fourth figure is a schematic diagram of the use of the new model. The fifth figure is a perspective view of the second embodiment of the present invention. The sixth figure is an exploded perspective view of the fifth figure. Figure 7 is a partial cross-sectional view showing a second embodiment of the present invention. The eighth figure is a perspective view of the third embodiment of the present invention. The ninth diagram is a side view continuing the eighth diagram. Fig. 10 is a schematic view showing the state in which the latch portion is detached according to the third embodiment of the present invention.

1‧‧‧Safety syringe structure

11‧‧‧First Promotion Department

111‧‧‧Links

112‧‧‧ tube body

1121‧‧‧stop

1122‧‧‧through hole

113‧‧‧Card Department

13‧‧‧Flexible components

20‧‧‧Syringe

22‧‧‧Flange

23‧‧‧ Fixed Department

24‧‧‧ needle

Claims (11)

A safety syringe structure includes: a push rod having a first pushing portion and a second pushing portion at two ends thereof, and one side of the first pushing portion is provided with at least one connecting member, the pushing rod The connecting member is provided with at least one elastic member, the other end of the connecting member is provided with a hollow tubular body, and a syringe has an accommodating space therein, and a convex portion is respectively extended on both sides of the top surface of the connecting cylinder The bottom surface of the barrel is provided with a convex hollow fixing portion, and the fixing portion provides a needle, the length of the tube is greater than or equal to the length of the needle, and the second pushing portion of the push rod is coupled. The syringe is disposed in the accommodating space, and the syringe is installed in the tube body. The safety syringe structure according to claim 1, wherein the link of the push rod is provided with a leg-shaped latch portion, thereby engaging the latch portion with the flange. The safety syringe structure according to claim 1, wherein an end surface of the tubular body of the push rod is provided with a stopping portion, and the stopping portion is provided with a through hole corresponding to the fixing portion of the syringe. The safety syringe structure according to claim 1, wherein the length of the syringe is greater than or equal to the length of the tubular body, and the diameter of the syringe is smaller than the diameter of the tubular body. A safety syringe structure includes: a push rod having a first pushing portion and a second pushing portion at two ends thereof, wherein the first pushing portion is provided with a set body, and a bottom surface of the sleeve body extends out of a rod The body is provided with a fixing member at the end of the rod body, and is coupled with a connecting member. The other end of the connecting member is provided with a hollow tubular body. The top surface of the connecting member is provided with a limiting hole, and the limiting hole is provided therein. a stepped portion, the rod body is sleeved with an elastic member, the rod system is inserted into the limiting hole, and the fixing member is abutted against the step portion; a syringe has an accommodating space therein, and a flange is respectively extended on two sides of the top surface of the barrel, and a bottom surface of the barrel is provided with a convex hollow fixing portion, and the fixing portion provides a needle The length of the tubular body is greater than or equal to the length of the needle. The second pushing portion of the push rod is received in the accommodating space, and the syringe is installed in the tubular body. The safety syringe structure according to claim 5, wherein the link of the push rod is provided with a leg-shaped latch portion, thereby engaging the latch portion with the flange. The safety syringe structure according to claim 5, wherein an end surface of the tubular body of the push rod is provided with a stopper portion, and the stopper portion is provided with a through hole corresponding to the fixing portion of the syringe barrel. The safety syringe structure according to claim 5, wherein the length of the syringe is greater than or equal to the length of the tubular body, and the diameter of the syringe is smaller than the diameter of the tubular body. A safety syringe structure includes: a push rod having a first pushing portion and a second pushing portion at two ends thereof, wherein the first pushing portion is provided with a set body, and a bottom surface of the sleeve body extends out of a rod The body is provided with a fixing member at the end of the rod body, and is coupled with a connecting member. The other end of the connecting member is provided with a hollow tubular body. The top surface of the connecting member is provided with a limiting hole, and the limiting hole is provided therein. a rod portion is provided with an elastic member, the rod system is inserted into the limiting hole, and the fixing member is abutted against the step portion; and a syringe has an accommodation space therein. a flange extending from each side of the top surface of the barrel is provided with a convex hollow fixing portion, the fixing portion provides a needle, the length of the tube is greater than or equal to the needle The second pushing portion of the push rod is received in the accommodating space, and the syringe is mounted in the tube body, and a connecting portion of the push rod protrudes from a connecting portion, thereby making the card The crotch is secured to the flange. The safety syringe structure according to claim 9, wherein an end surface of the tubular body of the push rod is provided with a stopper portion, and the stopper portion is provided with a through hole corresponding to the fixing portion of the syringe barrel. The safety syringe structure of claim 9, wherein the length of the syringe is greater than or equal to the length of the tubular body, and the diameter of the syringe is smaller than the diameter of the tubular body.