CN215537348U - Syringe with puncture-proof function - Google Patents
Syringe with puncture-proof function Download PDFInfo
- Publication number
- CN215537348U CN215537348U CN202121291807.7U CN202121291807U CN215537348U CN 215537348 U CN215537348 U CN 215537348U CN 202121291807 U CN202121291807 U CN 202121291807U CN 215537348 U CN215537348 U CN 215537348U
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- China
- Prior art keywords
- needle
- sleeve
- puncture
- spring
- syringe
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- Expired - Fee Related
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Abstract
The utility model discloses an injector with a puncture-proof function, which comprises a needle cylinder, a push rod and a puncture needle, wherein the puncture needle comprises a needle seat and a needle body arranged on the needle seat, a needle sleeve is movably arranged outside the needle seat, a spring is arranged in the needle sleeve, one end of the spring is connected to the inner wall of the needle sleeve, the other end of the spring is connected to the outer wall of the needle seat, and a spring button for controlling the extension of the spring is arranged on the needle sleeve; the end part of the needle body can be wrapped in the needle sleeve after the needle sleeve is ejected out, so that the end part of the needle body is prevented from being exposed to stab medical personnel, and further, virus or germ transmission infection and cross infection are avoided; in addition, because the needle sleeve of the utility model is connected with the needle seat, when the puncture needle is detached from the needle cylinder, the end part of the detached needle body is still hidden in the needle sleeve, thereby avoiding the puncture needle from exposing and stabbing workers handling the medical wastes, and the device has simple structure, convenient operation and low cost, and does not change the structure of the original syringe.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an injector with a puncture-proof function.
Background
A syringe is a common medical device, and is mainly used for drawing liquid from a patient or injecting liquid into the patient in hospital clinic. At present, a medical worker has a certain degree of potential safety hazard in the process of using an injector, after the injector is used, an exposed puncture needle easily stabs the medical worker and medical waste disposal workers, the skin injury of the wounded person can be caused by the accidental puncture, the stabbing of the contaminated needle is an important transmission way for infecting various viruses or germs in a hospital, and cross infection and occupational exposure are easy to form.
SUMMERY OF THE UTILITY MODEL
The utility model provides an injector with a puncture-proof function, aiming at the technical problems that after the traditional injector is used and abandoned, a puncture needle easily punctures medical care personnel to cause virus or germ transmission infection and cross infection.
The technical scheme adopted by the utility model is as follows: the syringe with the puncture-preventing function comprises a needle cylinder, a push rod and a puncture needle, wherein the puncture needle comprises a needle seat and a needle body arranged on the needle seat, a needle sleeve is movably arranged outside the needle seat, a spring is arranged in the needle sleeve, one end of the spring is connected to the inner wall of the needle sleeve, the other end of the spring is connected to the outer wall of the needle seat, a spring button for controlling the extension of the spring is arranged on the needle sleeve, and a channel matched with the needle body is arranged at the top of the needle sleeve.
According to the utility model, the needle sleeve is movably connected to the outer wall of the needle cylinder, after a medical worker uses the syringe, the spring button is pressed to drive the pin shaft of the spring button to retract, the spring drives the needle sleeve to extend out of the end part of the needle body under the action of the spring, and the end part of the needle body is wrapped in the needle sleeve, so that the end part of the needle body is prevented from being exposed outside to stab the medical worker, and further virus or germ transmission infection and cross infection are avoided. In addition, because the puncture needle is a sharp device, the puncture needle needs to be detached from the needle cylinder before being discarded, because the needle sleeve of the utility model is connected with the needle seat, after the needle sleeve covers the end part of the needle body, the puncture needle is detached from the needle cylinder through horizontally rotating the needle seat, and the end part of the detached needle body is still hidden in the needle sleeve, thereby avoiding the puncture needle from exposing and stabbing the workers handling the medical wastes.
Furthermore, the upper part of the inner side of the needle sleeve is provided with an elastic shifting sheet which can automatically rotate towards the channel. If the elastic shifting piece is not arranged, the medical staff or the working staff mistakenly operates the pressing needle sleeve to enable the end part of the needle body to slide out of the needle sleeve, and then the situation that the medical staff or the working staff are stabbed can be caused. In order to avoid the above situation, the elastic shifting piece capable of automatically rotating towards the channel is arranged at the upper part of the inner side of the needle sleeve and used for blocking the channel, so that even if the needle sleeve is pressed by external force, the end part of the needle body is still hidden in the needle sleeve, the end part of the needle body cannot extend out of the needle sleeve, and the needle sleeve has a protection effect on medical staff or workers. When the needle sleeve is in a retraction state, the elastic shifting piece is clamped on the outer wall of the needle seat, when the needle sleeve extends out, the elastic shifting piece is separated from the needle seat, the elastic shifting piece rotates to shield the channel, and the elastic shifting piece is an elastic steel piece.
Furthermore, the outer wall of the needle sleeve is provided with a pull rope used for limiting the needle sleeve to slide out of the end part of the needle body, one end of the pull rope is connected with the needle seat, and the other end of the pull rope is connected with the needle sleeve. The stay cord plays a limiting role, so that the ejected needle sleeve just covers the end part of the needle body, and the needle sleeve is prevented from sliding out of the end part of the needle body.
Furthermore, the needle sleeve is made of plastic, and has the advantages of high strength, light weight, low cost and the like.
Furthermore, the needle sleeve is made of transparent plastic, so that medical personnel can know the relevant conditions of the puncture needle in the sheath conveniently.
Furthermore, the needle cylinder is provided with volume scales, so that medical staff can read the volume of the liquid in the needle cylinder conveniently through the scales.
Furthermore, the side of the volume scale is provided with a corresponding numerical value, so that medical personnel can read the volume of the liquid in the needle cylinder more intuitively and quickly.
The utility model has the beneficial effects that:
1. the end part of the needle body can be wrapped in the needle sleeve after the needle sleeve is ejected out, so that the end part of the needle body is prevented from being exposed to stab medical personnel, and further, virus or germ transmission infection and cross infection are avoided.
2. The needle sleeve is connected with the needle seat, after the needle sleeve covers the end part of the needle body, the puncture needle is detached from the needle cylinder by horizontally rotating the needle seat, and the end part of the detached needle body is still hidden in the needle sleeve, so that the puncture needle is prevented from being exposed to stab workers handling medical wastes, and the device has the advantages of simple structure, convenience in operation and low cost, and does not change the structure of the original syringe.
3. According to the utility model, the elastic shifting sheet capable of automatically rotating towards the channel is arranged at the upper part of the inner side of the needle sleeve and is used for plugging the channel, so that even if the needle sleeve is pressed by external force, the end part of the needle body is still hidden in the needle sleeve, the end part of the needle body cannot slide out of the needle sleeve, and the needle sleeve plays a role in protecting medical staff or workers.
4. The pull rope of the utility model plays a role in limiting, so that the ejected needle sleeve just covers the end part of the needle body, and the needle sleeve is prevented from sliding out of the end part of the needle body.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Figure 2 is a view of the needle guard in a retracted state.
Figure 3 is an extended view of the needle hub.
Fig. 4 is a schematic view of the structure of the needle guard.
Labeled as:
1. a needle cylinder; 2. a push rod; 3. puncturing needle; 4. a needle sleeve; 5. a spring; 6. a spring button; 7. an elastic shifting piece; 8. pulling a rope; 9. capacity calibration; 10. a numerical value;
301. a needle seat; 302. a needle body; 401. a channel.
Detailed Description
In the description of the present invention, it should be noted that the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model is further described below with reference to the accompanying drawings.
Example one
Referring to fig. 1, 2, 3 and 4, the syringe with the puncture-proof function of the utility model comprises a syringe 1, a push rod 2 and a puncture needle 3, wherein the puncture needle 3 comprises a needle seat 301 and a needle body 302 arranged on the needle seat, a needle sleeve 4 is movably arranged on the outer side of the needle seat, a spring 5 is arranged in the needle sleeve, one end of the spring is connected to the inner wall of the needle sleeve, the other end of the spring is connected to the outer wall of the needle seat, a spring button 6 for controlling the extension of the spring is arranged on the needle sleeve, and a channel 401 matched with the needle body is arranged at the top of the needle sleeve. According to the utility model, the needle sleeve is movably connected to the outer wall of the needle cylinder, after a medical worker uses the syringe, the spring button is pressed to drive the pin shaft of the spring button to retract, the spring drives the needle sleeve to extend out of the end part of the needle body under the action of the spring, and the end part of the needle body is wrapped in the needle sleeve, so that the end part of the needle body is prevented from being exposed outside to stab the medical worker, and further virus or germ transmission infection and cross infection are avoided. In addition, because the puncture needle is a sharp device, the puncture needle needs to be detached from the needle cylinder before being discarded, because the needle sleeve of the utility model is connected with the needle seat, after the needle sleeve covers the end part of the needle body, the puncture needle is detached from the needle cylinder through horizontally rotating the needle seat, and the end part of the detached needle body is still hidden in the needle sleeve, thereby avoiding the puncture needle from exposing and stabbing the workers handling the medical wastes.
The needle sleeve of the embodiment is made of transparent plastic, so that medical personnel can know the relevant conditions of the puncture needle in the sheath conveniently.
Referring to fig. 1, in this embodiment, a volume scale 9 is provided on the syringe, and a corresponding numerical value 10 is provided beside the volume scale, so that medical staff can read the volume of the liquid in the syringe more intuitively and quickly.
Example two
Referring to fig. 4, on the basis of the first embodiment, the present embodiment is provided with an elastic pick 7 which can automatically rotate towards the channel at the upper part of the inner side of the needle guard. If the elastic shifting piece is not arranged, the medical staff or the working staff mistakenly operates the pressing needle sleeve to enable the end part of the needle body to slide out of the needle sleeve, and then the situation that the medical staff or the working staff are stabbed can be caused. In order to avoid the above situation, the elastic shifting piece capable of automatically rotating towards the channel is arranged at the upper part of the inner side of the needle sleeve and used for blocking the channel, so that even if the needle sleeve is pressed by external force, the end part of the needle body is still hidden in the needle sleeve, the end part of the needle body cannot extend out of the needle sleeve, and the needle sleeve has a protection effect on medical staff or workers. When the needle sleeve is in a retraction state, the elastic shifting piece is clamped on the outer wall of the needle seat, when the needle sleeve extends out, the elastic shifting piece is separated from the needle seat, the elastic shifting piece rotates to shield the channel, and the elastic shifting piece is an elastic steel piece.
EXAMPLE III
Referring to fig. 3, on the basis of the first embodiment, the pull rope 8 for limiting the needle sheath to slide out of the end of the needle body is arranged on the outer wall of the needle sheath, one end of the pull rope is connected with the needle seat, and the other end of the pull rope is connected with the needle sheath. The stay cord plays a limiting role, so that the ejected needle sleeve just covers the end part of the needle body, and the needle sleeve is prevented from sliding out of the end part of the needle body.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Syringe with prevent stinging function, including cylinder (1), push rod (2) and pjncture needle (3), pjncture needle (3) include needle file (301) and needle body (302) of setting on the needle file, its characterized in that, the outside activity arrangement of needle file has needle cover (4), is provided with spring (5) in the needle cover, and the inner wall at the needle cover is connected to the one end of spring, and the outer wall at the needle file is connected to the other end, is provided with spring button (6) that the control spring extends on the needle cover, and the top of needle cover is provided with passageway (401) that match with the needle body.
2. Syringe with a puncture-proof function according to claim 1, characterized in that the upper inside of the sheath is provided with an elastic pick (7) that can automatically rotate towards the passage.
3. A syringe with puncture-proof function according to claim 1, wherein the outer wall of the needle sheath is provided with a pull string (8) for restricting the needle sheath from sliding out of the end of the needle body, one end of the pull string is connected with the needle holder, and the other end is connected with the needle sheath.
4. A syringe having a puncture prevention function according to claim 1, wherein the needle sheath is made of plastic.
5. A syringe having a puncture prevention function according to claim 4, wherein the needle sheath is made of transparent plastic.
6. Syringe with anti-prick function according to claim 1, characterized in that the needle cylinder is provided with volume graduations (9).
7. Syringe with anti-prick function according to claim 6, characterized in that the corresponding value (10) is set aside the volume scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121291807.7U CN215537348U (en) | 2021-06-09 | 2021-06-09 | Syringe with puncture-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121291807.7U CN215537348U (en) | 2021-06-09 | 2021-06-09 | Syringe with puncture-proof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215537348U true CN215537348U (en) | 2022-01-18 |
Family
ID=79867510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121291807.7U Expired - Fee Related CN215537348U (en) | 2021-06-09 | 2021-06-09 | Syringe with puncture-proof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215537348U (en) |
-
2021
- 2021-06-09 CN CN202121291807.7U patent/CN215537348U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |