CN214857811U - Syringe - Google Patents
Syringe Download PDFInfo
- Publication number
- CN214857811U CN214857811U CN202121862603.4U CN202121862603U CN214857811U CN 214857811 U CN214857811 U CN 214857811U CN 202121862603 U CN202121862603 U CN 202121862603U CN 214857811 U CN214857811 U CN 214857811U
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- China
- Prior art keywords
- needle
- connecting piece
- needle head
- syringe
- protective cap
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Abstract
The application discloses an injector, which comprises a needle cylinder, a needle head and a needle head protective cap, wherein the needle head protective cap is sleeved outside the needle cylinder and is fixedly connected with the needle cylinder; the needle head pulling device comprises a starting element, a first elastic connecting piece and a second connecting piece, the starting element is arranged on the needle head protective cap, one end of the second connecting piece is connected with the starting element, the other end of the second connecting piece is connected with the needle head, and the starting element drives the needle head to be separated from the needle cylinder by driving the second connecting piece; one end of the first elastic connecting piece is connected with the needle head, the other end of the first elastic connecting piece is connected with the inner cavity of the needle head protective cap, and the first elastic connecting piece is used for driving the needle head to enter the inside of the needle head protective cap. The utility model provides a syringe can realize contactless syringe needle of taking off, avoids the acupuncture to hinder, safety and sanitation.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to an injector.
Background
The syringe is a device for injecting a drug solution into the body of an animal or plant, and is made to be capable of injecting a drug solution into an arbitrary tissue by penetrating the skin with a sharp end.
The syringe is the most common medical article in clinic, the syringe needle is sharp, and when medical staff use the syringe, for example, needle stick injuries often occur in the links of replacing a skin test needle after dispensing, pulling out the needle after injection, destroying the needle and putting the needle into a sharp instrument box. In 2020, the investigation of extracting 24 provincial and municipal workers (responsible for medical waste management, collection and transportation, basic maintenance, internal environment of hospitals, sanitation and cleaning of patients and the like) in China shows that about 31.68 percent of the workers have needle stick injuries. While the needle stick injury may cause occupational exposure of blood-borne pathogens, such as hepatitis B, hepatitis C, and HIV, which may cause serious harm to medical care personnel and hospital staff. In addition, after preparing the skin test solution clinically, the needle needs to be removed, and then a new needle is arranged to perform intradermal injection. The process of taking off the needle head is not only easy to be injured by the needle but also easy to pollute the injector, and has potential safety and sanitation hazards.
Therefore, the present invention is directed to a syringe capable of preventing needle stick injuries and contamination, and a technical problem to be solved in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an injector can realize contactless syringe needle of taking off, avoids the acupuncture to hinder, eliminates safety and health hidden danger.
The utility model provides a technical scheme as follows:
an injector comprises a needle cylinder and a needle head, and is characterized by further comprising a needle head protective cap, wherein the needle head protective cap is sleeved outside the needle cylinder and is fixedly connected with the needle cylinder;
the needle head pulling device comprises a starting element, a first elastic connecting piece and a second connecting piece, the starting element is arranged on the needle head protective cap, one end of the second connecting piece is connected with the starting element, the other end of the second connecting piece is connected with the needle head, and the starting element drives the needle head to be separated from the needle cylinder by driving the second connecting piece;
one end of the first elastic connecting piece is connected with the needle head, the other end of the first elastic connecting piece is connected with the inner cavity of the needle head protective cap, and the first elastic connecting piece is used for driving the needle head to enter the inside of the needle head protective cap.
In the above syringe, preferably, the actuating element includes a locking groove and a button disposed in the locking groove, the locking groove is fixedly connected to the needle head protecting cap, the button is a movable button, the locking groove is used for limiting the moving range of the button, and the second connecting member is connected to the button.
In the above syringe, the needle protection cap is preferably a transparent needle protection cap.
In the above syringe, preferably, the first elastic connecting member is a spring.
In the above syringe, preferably, the first elastic connecting member is an elastic string.
In the above syringe, preferably, the second connecting member is one of a spring, an elastic string and a rod.
In the above syringe, preferably, a nipple is disposed at one end of the needle cylinder close to the needle, and the needle is connected to the needle cylinder through the nipple.
In the above-mentioned injector, preferably, the syringe further includes a piston, and the piston is located in the syringe barrel and can reciprocate along the length direction of the syringe.
The utility model provides a syringe, syringe needle protective cap and syringe needle tractive device, wherein the syringe needle protective cap cup joint in the cylinder outside and with cylinder fixed connection, syringe needle tractive device is including starting component, first elastic connection spare and second connecting piece. The starting element is arranged on the needle head protective cap, one end of the second connecting piece is connected with the starting element, the other end of the second connecting piece is connected with the needle head, and the starting element drives the needle head to be separated from the needle cylinder by driving the second connecting piece; one end of the first elastic connecting piece is connected with the needle head, the other end of the first elastic connecting piece is connected with the inner cavity of the needle head protective cap, and the first elastic connecting piece is used for driving the needle head to enter the inside of the needle head protective cap.
Before the needle head is taken down, the first elastic connecting piece is in a tightening or stretching state, when the needle head needs to be taken down, a worker pulls the starting element, the starting element drives the second connecting piece to enable the needle head to be separated from the needle cylinder, the first elastic connecting piece drives the needle head to move towards the inside of the needle head protective cap due to the elastic action, finally the needle head is moved to the inside of the needle head protective cap and is stable, the needle head protective cap can play a role of preventing the needle head from stabbing personnel, therefore, the needle head is taken down in a non-contact mode, the needle head is prevented from being stabbed and polluted, and safety and sanitation hidden dangers are eliminated.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a syringe before a needle is taken, according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the syringe after the needle is taken out according to the embodiment of the present invention.
1-a needle cylinder; 11-needle-protecting cap, 3-activating element, 4-first elastic connector, 5-second connector, 6-needle.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
This embodiment is written in a progressive manner.
As shown in fig. 1, an injector according to an embodiment of the present invention includes a syringe 1, a needle 6, and a needle protecting cap 11, wherein the needle protecting cap 11 is sleeved outside the syringe 1 and is fixedly connected to the syringe 1; the needle head traction device comprises a starting element 3, a first elastic connecting piece 4 and a second connecting piece 5, the starting element 3 is arranged on a needle head protective cap 11, one end of the second connecting piece 5 is connected with the starting element 3, the other end of the second connecting piece 5 is connected with the needle head 6, and the starting element 3 drives the needle head 6 to be separated from the needle cylinder 1 by driving the second connecting piece 5; one end of the first elastic connecting piece 4 is connected with the needle 6, the other end is connected with the inner cavity of the needle protecting cap 11, and the first elastic connecting piece 4 is used for driving the needle 6 to enter the inner part of the needle protecting cap 11.
Wherein, the inner cavity of the needle head protection cap 11 is a space surrounded by the outer wall of the needle cylinder 1 and the inner wall of the needle head protection cap 11.
Before taking off syringe needle 6, first elastic connection 4 is for tightening or tensile state, when needs take off syringe needle 6, the staff stimulates starting element 3, starting element 3 drives second connecting piece 5 and makes syringe needle 6 and cylinder 1 separate, first elastic connection 4 is because elastic action, drive syringe needle 6 and move towards syringe needle protective cap 11 is inside, finally make syringe needle 6 move inside syringe needle protective cap 11 and stable, syringe needle protective cap 11 can play the effect of defence syringe needle 6 stabs personnel, realize contactless taking off syringe needle 6 from this, avoid the acupuncture to hinder and pollute, eliminate safety and health hidden danger.
Fig. 2 is a schematic structural view of the syringe, according to the embodiment of the present invention, after the needle 6 is taken, the needle 6 enters the inside of the needle protecting cap 11, as shown in fig. 2.
The embodiment of the utility model provides an injector, as preferred scheme, start component 3 includes the draw-in groove and locates the button in the draw-in groove, draw-in groove and 11 fixed connection of syringe needle protective cap, the button is portable button, the draw-in groove is used for restricting the moving range of button, second connecting piece 5 is connected with the button. In this case, the button may be in the form of a button, a nodule, or the like for facilitating grasping with a finger. When the needle head is taken down, the button in the clamping groove is moved, the button drives the second connecting piece 5 to move, the second connecting piece 5 drives the needle head 6 to be separated from the needle cylinder 1, and therefore the needle head 6 is separated from the needle cylinder 1.
In the syringe provided by the embodiment of the present invention, as the preferred scheme, the needle protecting cap 11 is a transparent needle protecting cap 11. The transparent needle protection cap 11 can avoid blocking the view of the medical staff observing the barrel of the needle cylinder 1.
The embodiment of the utility model provides an injector, as preferred scheme, first elastic connecting piece 4 is the spring.
The embodiment of the utility model provides an injector, as preferred scheme, first elastic connecting piece 4 is the elasticity rope.
The embodiment of the utility model provides an injector, as preferred scheme, second connecting piece 5 is one of spring, elasticity rope and pole.
The embodiment of the utility model provides an injector, as preferred scheme, the syringe 1 one end that is close to syringe needle 6 is equipped with the nipple, and syringe needle 6 is connected with syringe 1 through the nipple.
The embodiment of the utility model provides an injector, as preferred scheme, cylinder 1 still includes the piston, and the piston is located cylinder 1 and can be along the length direction of cylinder 1 reciprocating motion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An injector comprises a needle cylinder and a needle head, and is characterized by further comprising a needle head protective cap, wherein the needle head protective cap is sleeved outside the needle cylinder and is fixedly connected with the needle cylinder;
the needle head pulling device comprises a starting element, a first elastic connecting piece and a second connecting piece, the starting element is arranged on the needle head protective cap, one end of the second connecting piece is connected with the starting element, the other end of the second connecting piece is connected with the needle head, and the starting element drives the needle head to be separated from the needle cylinder by driving the second connecting piece;
one end of the first elastic connecting piece is connected with the needle head, the other end of the first elastic connecting piece is connected with the inner cavity of the needle head protective cap, and the first elastic connecting piece is used for driving the needle head to enter the inside of the needle head protective cap.
2. The syringe of claim 1, wherein the actuating element comprises a locking groove and a button disposed in the locking groove, the locking groove is fixedly connected with the needle protection cap, the button is a movable button, the locking groove is used for limiting the moving range of the button, and the second connector is connected with the button.
3. The syringe of claim 1, wherein the needle protection cap is a transparent needle protection cap.
4. The syringe of claim 1, wherein the first resilient coupling is a spring.
5. The syringe of claim 1 wherein the first elastic connector is an elastic cord.
6. The syringe of claim 1, wherein the second connector is one of a spring, an elastic cord, and a rod.
7. The syringe of claim 1, wherein the barrel is provided with a nipple at an end thereof adjacent to the needle, and the needle is connected to the barrel through the nipple.
8. The syringe of claim 1, further comprising a plunger positioned within the barrel and capable of reciprocating along the length of the barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121862603.4U CN214857811U (en) | 2021-08-10 | 2021-08-10 | Syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121862603.4U CN214857811U (en) | 2021-08-10 | 2021-08-10 | Syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214857811U true CN214857811U (en) | 2021-11-26 |
Family
ID=78910514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121862603.4U Active CN214857811U (en) | 2021-08-10 | 2021-08-10 | Syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214857811U (en) |
-
2021
- 2021-08-10 CN CN202121862603.4U patent/CN214857811U/en active Active
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