CN211634669U

CN211634669U - Safety protection type syringe

Info

Publication number: CN211634669U
Application number: CN202020000999.0U
Authority: CN
Inventors: 杨娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-10-09
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a safety protection type syringe, including the sleeve, inject mechanism, drainage mechanism, stop gear, shrink mechanism, syringe needle, protective sheath, this safety protection type syringe, after the device finishes using, medical personnel are through the use to stop gear for shrink mechanism drives the syringe needle and moves to in the device, with this avoid the syringe needle to puncture medical personnel's finger, can know from this, through using the device in this application, can prevent that medical personnel's bacterial infection's phenomenon from taking place, play the safety protection to medical personnel and handle.

Description

Safety protection type syringe

Technical Field

The utility model relates to a syringe especially relates to safety protection formula syringe.

Background

Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography.

At present, traditional syringe finishes using the back, and medical personnel need the needle cover of syringe to entangle the syringe needle, entangle the in-process of syringe needle at the needle cover, when the needle cover can't entangle the syringe needle for the first time, at this moment, the syringe needle can stab medical personnel's finger, can lead to medical personnel bacterial infection, causes the injury to medical personnel, in view of above defect, actually needs to design safety protection syringe.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: a safety protection type injector is provided to solve the problems in the prior art.

In order to solve the technical problem, the technical scheme of the utility model is that: safety protection formula syringe, including the sleeve, inject mechanism, drainage mechanism, stop gear, shrink mechanism, syringe needle, protective sheath, the inside slip of sleeve be equipped with and inject the mechanism, the sleeve inside drainage mechanism has set firmly, the inside left side of sleeve stop gear has set firmly, the inside left side slip of drainage mechanism be equipped with shrink mechanism, shrink mechanism slide and run through in the sleeve left side, shrink mechanism left side the syringe needle has set firmly, the outside tight fit of syringe needle be equipped with the protective sheath.

Furthermore, the injection mechanism consists of a push rod, a connecting plate and a rubber plate, and the push rod penetrates through the upper end and the lower end of the right side of the sleeve in a sliding manner.

Further, the right side of the push rod is fixedly provided with a connecting plate, the left side of the push rod is fixedly provided with a rubber plate, and the rubber plate is connected with the sleeve in a sliding manner.

Furthermore, the liquid discharge mechanism consists of an installation rod and a liquid discharge hole.

Further, the inside middle-end of sleeve set firmly the installation pole, the installation pole slide and run through in the rubber slab, the inside left side of installation pole about both ends an organic whole be equipped with the outage.

Furthermore, the limiting mechanism consists of a first spring, a limiting pin and a threaded pin.

Furthermore, the upper end of the left side in the sleeve is fixedly provided with a first spring, the bottom of the first spring is fixedly provided with a limiting pin, the limiting pin penetrates through the sleeve in a sliding manner, and the limiting pin penetrates through a liquid discharge hole in the upper end of the left side of the sleeve in a sliding manner.

Furthermore, a screw pin penetrates through the left side thread of the top of the sleeve.

Furthermore, the contraction mechanism consists of a rubber sleeve, a yielding hole, a limiting hole and a second spring.

Further, the inside left side of installation pole slide and be equipped with the rubber sleeve, the inside right side of rubber sleeve about both ends an organic whole be equipped with the hole of stepping down, the inside right side top an organic whole of rubber sleeve be equipped with spacing hole, the rubber sleeve right side the second spring has set firmly, second spring and installation pole fixed connection.

Compared with the prior art, this safety protection type syringe, after the device finishes using, medical personnel are through the use to stop gear for shrink mechanism drives the syringe needle and moves to in the device, with this finger of avoiding the syringe needle to puncture medical personnel, can know from this, through using the device in this application, can prevent that medical personnel's bacterial infection's phenomenon from taking place, plays safety protection to medical personnel and handles.

Drawings

FIG. 1 is a partial front cross-sectional view of a safety shield syringe;

fig. 2 is an enlarged partial cross-sectional view of the interior of the sleeve.

Sleeve 1, push mechanism 2, drainage mechanism 3, stop gear 4, shrink mechanism 5, syringe needle 6, protective sheath 7, push rod 8, connecting plate 9, rubber slab 10, installation pole 11, outage 12, first spring 13, spacer pin 14, spiral shell round pin 15, rubber sleeve 16, the hole of stepping down 17, spacing hole 18, second spring 19.

The following detailed description will be further described in conjunction with the above-identified drawings.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.

As shown in fig. 1 and 2, the safety protection type injector comprises a sleeve 1, a pushing mechanism 2, a liquid discharge mechanism 3, a limiting mechanism 4, a contraction mechanism 5, a needle 6 and a protective sleeve 7, wherein the pushing mechanism 2 is slidably arranged in the sleeve 1, the liquid discharge mechanism 3 is fixedly arranged in the sleeve 1, the limiting mechanism 4 is fixedly arranged on the left side in the sleeve 1, the contraction mechanism 5 is slidably arranged on the left side in the liquid discharge mechanism 3, the contraction mechanism 5 is slidably penetrated through the left side of the sleeve 1, the needle 6 is fixedly arranged on the left side of the contraction mechanism 5, the protective sleeve 7 is tightly assembled outside the needle 6, the pushing mechanism 2 comprises a push rod 8, a connecting plate 9 and a rubber plate 10, push rods 8 are slidably penetrated through the upper and lower ends of the right side of the sleeve 1, the connecting plate 9 is fixedly arranged on the right side of the push rod 8, the rubber plate 10 is fixedly arranged on the left side of the, the rubber plate 10 is connected with the sleeve 1 in a sliding manner, the liquid discharge mechanism 3 is composed of an installation rod 11 and a liquid discharge hole 12, the installation rod 11 is fixedly arranged at the middle end inside the sleeve 1, the installation rod 11 penetrates through the rubber plate 10 in a sliding manner, the liquid discharge hole 12 is integrally formed at the upper end and the lower end of the left side inside the installation rod 11, the limiting mechanism 14 is composed of a first spring 13, a limiting pin 14 and a threaded pin 15, the first spring 13 is fixedly arranged at the upper end of the left side inside the sleeve 1, the limiting pin 14 is fixedly arranged at the bottom of the first spring 13, the limiting pin 14 penetrates through the sleeve 1 in a sliding manner, the limiting pin 14 penetrates through the liquid discharge hole 12 at the upper end of the left side of the sleeve 1 in a sliding manner, the threaded pin 15 penetrates through the threads at the left side of the top of the sleeve 1, and the contraction mechanism 5 is composed of a rubber sleeve 16, a yielding hole 17, a limiting, the inside left side of installation pole 11 slide and be equipped with rubber sleeve 16, the inside right side of rubber sleeve 16 about both ends an organic whole be equipped with the hole 17 of stepping down, the inside right side top an organic whole of rubber sleeve 16 be equipped with spacing hole 18, the rubber sleeve 16 right side second spring 19 has set firmly, second spring 19 and installation pole 11 fixed connection.

Before the safety protection type injector is used, firstly, in the manufacturing process of the safety protection type injector, the limit pin 14 is inserted into the limit hole 18 under the action of extrusion force of the screw pin 15 on the limit pin 14, so that the state that the rubber sleeve 16 and the needle 6 are moved out of the sleeve 1 is fixed, and synchronously, the first spring 13 and the second spring 19 are in a deformed state, when the safety protection type injector is used, a medical worker firstly removes the protective sleeve 7, then holds the sleeve 1 by a left hand to move the needle 6 into a container filled with liquid medicine, the medical worker pulls the connecting plate 9 by the other hand to enable the connecting plate 9 to drive the push rod 8 and the rubber plate 10 to move from left to right along the direction of the sleeve 1, at the moment, the liquid medicine in the container is discharged into the sleeve 1 from the liquid discharge hole 12 through the rubber sleeve 16 by the needle 6, namely, the medical worker uses the safety protection type injector to suck the liquid medicine in the container, after the liquid medicine is completely sucked, the medical staff punctures the needle head 6 to the treatment part of the patient, then the hand pushes the connecting plate 9, namely the connecting plate 9 drives the push rod 8 and the rubber plate 10 to push the liquid medicine in the sleeve 1, at the moment, the liquid medicine passes through the abdication hole 17 from the liquid discharge hole 12 and the rubber sleeve 16 and then is injected into the patient body from the needle head 6, namely the liquid medicine injection treatment is carried out on the patient, after the injection is finished, the medical staff firstly takes the needle head 6 out of the patient body, then the hand rotates the screw pin 15 anticlockwise, the screw pin 15 is separated from the sleeve 1 through the screw thread transmission effect of the screw pin 15 and the sleeve 1, at the moment, the limit pin 14 is reset through the resilience force of the first spring 13, namely the limit pin 14 is separated from the limit hole 18, meanwhile, through the resilience force effect of the second spring 19, the rubber sleeve 16 drives the needle head 6 to reset, namely the rubber sleeve 16 and, rubber sleeve 16 moves to inside the installation pole 11 promptly, and is synchronous, and syringe needle 6 moves to in the sleeve 1, through above-mentioned operation, is in the non-state that exposes to the external world with syringe needle 6, prevents that medical personnel's finger from being punctured by syringe needle 6, plays safety protection to medical personnel and handles.

Claims

1. Safety protection formula syringe, its characterized in that includes the sleeve, injects mechanism, drainage mechanism, stop gear, shrink mechanism, syringe needle, protective sheath, the sleeve inside slide and be equipped with and inject the mechanism, the sleeve inside drainage mechanism has set firmly, the inside left side of sleeve set firmly stop gear, the inside left side of drainage mechanism slide and be equipped with shrink mechanism, shrink mechanism slide and run through in the sleeve left side, shrink mechanism left side the syringe needle has set firmly, the outside tight fit of syringe needle be equipped with the protective sheath.

2. The safety protection type syringe of claim 1, wherein the injection mechanism comprises a push rod, a connecting plate and a rubber plate, and the push rod is slidably penetrated through the upper end and the lower end of the right side of the sleeve.

3. The safety protection syringe of claim 2, wherein the right side of the push rod is fixedly provided with a connecting plate, the left side of the push rod is fixedly provided with a rubber plate, and the rubber plate is slidably connected with the sleeve.

4. A safety shielded syringe as set forth in claim 1 wherein the drainage mechanism comprises a mounting post and a drainage hole.

5. The safety protection type syringe of claim 4, wherein the middle end of the inside of the sleeve is fixedly provided with a mounting rod, the mounting rod penetrates through the rubber plate in a sliding manner, and the upper end and the lower end of the left side of the inside of the mounting rod are integrally provided with a liquid discharge hole.

6. A safety-protected syringe as claimed in claim 1, wherein the limiting mechanism comprises a first spring, a limiting pin and a threaded pin.

7. The safety protection syringe of claim 6, wherein the first spring is fixedly arranged at the upper end of the left side inside the sleeve, the limiting pin is fixedly arranged at the bottom of the first spring, the limiting pin penetrates through the sleeve in a sliding manner, and the limiting pin penetrates through the liquid discharge hole at the upper end of the left side of the sleeve in a sliding manner.

8. A safety shielded syringe as set forth in claim 7 wherein a threaded pin is threaded through the left side of the top of said barrel.

9. The safety protection syringe of claim 1, wherein the retraction mechanism comprises a rubber sleeve, a relief hole, a limit hole and a second spring.

10. The safety protection type syringe according to claim 5, wherein the mounting rod is provided with a rubber sleeve at the left side in a sliding manner, the upper end and the lower end of the right side in the rubber sleeve are provided with a abdicating hole integrally, the top end of the right side in the rubber sleeve is provided with a limiting hole integrally, the right side of the rubber sleeve is provided with a second spring fixedly, and the second spring is fixedly connected with the mounting rod.