CN218187471U

CN218187471U - Disposable pre-filled syringe

Info

Publication number: CN218187471U
Application number: CN202221287062.1U
Authority: CN
Inventors: 刘建芬; 张向彬; 石景曼; 张彦; 张红蕾; 王彩肖; 张颖; 李乐乐; 梁坤
Original assignee: North China Pharmaceutical Huakun Hebei Biotechnology Co ltd
Current assignee: North China Pharmaceutical Huakun Hebei Biotechnology Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2023-01-03
Anticipated expiration: 2032-05-25

Abstract

The utility model provides a disposable pre-filled syringe, which belongs to the field of medical appliances and comprises a main sleeve, a piston, a push rod, a cap and a ring buckle; a mounting ring is arranged around the liquid outlet at the top end of the main sleeve, and threads are arranged on the inner wall of the mounting ring; an installation ring is carved on the outer wall of the lower end of the cover cap, and a disinfection part is fixed inside the installation ring; the ring buckle is used for connecting the cap and the main sleeve, and ensures that the syringe is used for the first time. The utility model provides a disposable pre-filled syringe prevents that the syringe from carrying out the secondary use, has guaranteed patient's health safety, has also simplified the disinfection step simultaneously, has saved medical personnel's time.

Description

Disposable pre-filled syringe

Technical Field

The utility model belongs to the field of medical equipment, more specifically say, relate to a disposable pre-filled syringe.

Background

Intravenous catheters are a common treatment device and are provided to facilitate treatment, such as by infusing medication into the body through the intravenous catheter, which requires flushing to remain open and intact, and prefilled syringes containing fluid to flush the catheter, such as saline solution, heparin, etc.

The pre-filled syringes on the market at present have some problems, before the syringes are used, the protective caps need to be turned down, then the liquid outlets of the syringes and the interfaces of the venous catheters are disinfected by alcohol swabs, and the catheters can be washed after all the syringes are used; however, if the protective cap is opened before use and then screwed down, the difference is not easy to be seen on the surface compared with the new pre-filled syringe which is not opened, and potential safety hazard exists; meanwhile, the work of operators is increased when the injector and the catheter are disinfected, and the interface of the injector or the catheter is polluted and hurt to patients due to incomplete artificial disinfection of the operators.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable pre-filled syringe aims at solving the poor problem of security and convenience that pre-filled syringe among the prior art exists when using.

In order to achieve the purpose, the utility model adopts the technical proposal that: there is provided a pre-filled disposable syringe comprising: the first end of the main sleeve is provided with a liquid outlet, the second end of the main sleeve is provided with an opening, and the outside of the liquid outlet is sleeved with an installation ring; the piston is arranged on the main sleeve in a sliding mode, and the periphery of the piston abuts against the inner wall of the main sleeve; one end of the push rod is connected to the end face of the piston, and the other end of the push rod is positioned outside the main sleeve; the cap is covered outside the liquid outlet and used for sealing the liquid outlet, a disinfection part is further arranged inside the cap, and the opening part of the cap is connected with the top of the mounting ring; and the ring buckle is arranged between the mounting ring and the cover cap and is used for connecting the cover cap and the mounting ring.

In a possible implementation manner, the ring buckle is located between the end face of the cap and the end face of the installation ring, and easy-to-tear connecting pieces are further arranged between two side faces of the ring buckle and the end faces of the cap and the installation ring respectively.

In a possible implementation manner, a cut-off opening for cutting off the buckle is further arranged on the buckle, and a pull piece is further arranged at the cut-off opening.

In a possible implementation manner, the outer walls of the mounting ring and the cap are both provided with connecting fin plates, the ring buckle is arranged outside the connecting fin plates in a surrounding manner, and the inner wall of the ring buckle is further provided with accommodating grooves for accommodating the two connecting fin plates.

In a possible implementation manner, the cap is in threaded connection with the mounting ring, a first thread is arranged on the outer wall of the end portion of the cap close to the main sleeve, and a second thread matched with the first thread is arranged on the inner wall of the mounting ring.

In one possible implementation manner, the disposable pre-filled syringe is characterized in that the disinfection component is a disinfection cotton piece or a disinfection sponge, and the disinfectant contained in the disinfection component is 75% alcohol.

In a possible implementation manner, the pre-filled syringe for disposable use is characterized in that an aluminum foil for sealing the liquid outlet is further disposed at the mouth of the liquid outlet.

The utility model provides a disposable pre-filled syringe's beneficial effect lies in: compared with the prior art, the disposable pre-filled syringe of the utility model can ensure the sealing and sanitation of the liquid outlet on the main sleeve through the cap, and the cap is connected with the mounting ring through the buckle, so that whether the pre-filled syringe is used for the first time can be determined by confirming whether the buckle is intact when the syringe is used for the first time, and the syringe is prevented from being used for two times or multiple times to ensure the safety of a patient; after will the latch closure pull down when using, can take off the block from the installation ring to can also disinfect syringe liquid outlet and interface through the disinfection part that sets up in the block, and can carry out the operation of wash pipe or tube-sealing afterwards, the disinfection mode is simple, has improved the convenience that the pre-filled syringe used, has also improved the security of pre-filled syringe simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a disposable pre-filled syringe according to an embodiment of the present invention;

FIG. 2 is a partial view of the structure of the disposable pre-filled syringe according to the embodiment of the present invention;

FIG. 3 is a view showing a seal structure of a disposable prefilled syringe according to an embodiment of the present invention;

in the figure: 1. capping; 2. a sterilizing component; 3. a cap joint; 4. looping; 5. aluminum foil; 6. a liquid outlet; 7. installing a ring; 8. a main sleeve; 9. a piston; 10. a push rod; 11. and connecting the fin plate.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1, 2 and 3, the disposable pre-filled syringe of the present invention will now be described. The disposable pre-filled syringe comprises a main sleeve 8, a piston 9, a push rod 10, a cap 1 and a ring buckle 4. A liquid outlet 6 is arranged at the first end of the main sleeve 8, an opening is arranged at the second end of the main sleeve, and a mounting ring 7 is sleeved outside the liquid outlet 6; the piston 9 is arranged on the main sleeve 8 in a sliding manner, and the circumference of the piston 9 is abutted against the inner wall of the main sleeve 8; one end of a push rod 10 is connected to the end face of the piston 9, and the other end of the push rod is positioned outside the main sleeve 8; the cap 1 is covered outside the liquid outlet 6 and used for sealing the liquid outlet 6, the disinfection component 2 is also arranged inside the cap 1, and the mouth part of the cap 1 is connected with the top of the mounting ring 7; a clasp 4 is provided between the mounting collar 7 and the cap 1 for connecting the cap 1 and the mounting collar 7.

The utility model provides a disposable pre-filled syringe's beneficial effect lies in: compared with the prior art, the disposable pre-filled syringe of the utility model can ensure the sealing and sanitation of the liquid outlet 6 on the main sleeve 8 through the cap 1, and the cap 1 is connected with the mounting ring 7 through the ring buckle 4, so that whether the pre-filled syringe is used for the first time can be determined by confirming whether the ring buckle 4 is intact when the syringe is used for the first time, and the syringe is prevented from being used for two times or multiple times to ensure the safety of a patient; after dismantling latch closure 4 when using, can take off from installation ring 7 with block 1 to can also disinfect syringe liquid outlet 6 and interface through the disinfection part 2 that sets up in block 1, and can carry out the operation of wash pipe or tube-sealing afterwards, the disinfection mode is simple, has improved the convenience that the pre-filled syringe used, has also improved the security of pre-filled syringe simultaneously.

The specific operation method of the disposable prefilled syringe comprises the steps of firstly observing whether the buckle 4 is intact or not to judge whether the prefilled syringe is used for the first time or not; after the ring buckle 4 is torn off, the disinfection part 2 in the inner wall of the cap 1 is used for disinfecting the liquid outlet 6 and the vein retention needle or other liquid inlets, and finally, the tube flushing and sealing operation is carried out.

In some possible implementations, as shown in fig. 1, 2 and 3, the ring buckle 4 is located between the end surface of the cap 1 and the end surface of the mounting ring 7, and easy-to-tear connecting pieces are further disposed between both side surfaces of the ring buckle 4 and the end surfaces of the cap 1 and the end surfaces of the mounting ring 7, respectively. Specifically, the cap 1 is fixedly connected to the end face of the mounting ring 7 through the buckle 4 before the syringe is used.

In some possible implementations, as shown in fig. 1, 2 and 3, the buckle 4 is further provided with a cut-off opening for cutting off the buckle 4, and the cut-off opening is provided with a pull piece. Specifically, the pull tab can ensure that the cut-off opening of the buckle 4 is kept connected and not disconnected.

In some possible implementations, as shown in fig. 1, 2 and 3, the outer walls of the mounting ring 7 and the cap 1 are provided with connecting fins 11, the ring buckle 4 surrounds the connecting fins 11, and the inner wall of the ring buckle 4 is further provided with receiving grooves for receiving the two pairs of connecting fins 11. Specifically, the accommodating groove can accommodate two pairs of connecting fin plates 11 at the same time, and the connecting fin plates 11 cannot slide out of the accommodating groove, so that the cap 1 and the mounting ring 7 cannot fall off accidentally.

In some possible implementations, as shown in fig. 1, 2 and 3, the cap 1 is screwed to the mounting collar 7, the outer wall of the end of the cap 1 close to the main sleeve 8 is provided with a first screw thread, and the inner wall of the mounting collar 7 is provided with a second screw thread matching with the first screw thread. Specifically, the first thread and the second thread can be engaged by rotation, so that the cap 1 and the mounting ring 7 are tightly fixed.

In some possible implementations, as shown in fig. 1, 2 and 3, the disinfecting member 2 is a piece of disinfecting cotton or a piece of disinfecting sponge, and the disinfectant contained in the disinfecting member 2 is 75% alcohol.

In some possible implementations, as shown in fig. 1, 2 and 3, the mouth of the liquid outlet 6 is further provided with an aluminum foil 5 for sealing the liquid outlet 6. Specifically, the aluminum foil 5 can protect the injection liquid in the main sleeve 8 from overflowing, and the sealing performance of the injector main sleeve 8 is ensured.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A pre-filled disposable syringe comprising:

the device comprises a main sleeve, a first end of the main sleeve is provided with a liquid outlet, a second end of the main sleeve is provided with an opening, and the outside of the liquid outlet is sleeved with an installation ring;

the piston is arranged on the main sleeve in a sliding mode, and the mounting peripheral ring of the piston abuts against the inner wall of the main sleeve;

one end of the push rod is connected to the end face of the piston, and the other end of the push rod is positioned outside the main sleeve;

the cap is covered outside the liquid outlet and used for sealing the liquid outlet, a disinfection part is further arranged inside the cap, and the opening part of the cap is connected with the top of the mounting ring;

and the ring buckle is arranged between the mounting ring and the cover cap and is used for connecting the cover cap and the mounting ring.

2. A pre-filled syringe for single use according to claim 1, wherein the ring is located between the end face of the cap and the end face of the mounting collar, and easy-to-tear tabs are provided between each of the two side faces of the ring and the end face of the cap and between the two side faces of the mounting collar.

3. A pre-filled disposable syringe as set forth in claim 2, wherein said ring is further provided with a cut-off opening for cutting off said ring, and said cut-off opening is further provided with a pull tab.

4. A pre-filled disposable syringe as set forth in claim 1, wherein said mounting collar and said cap are provided on outer walls thereof with connecting fins, said collar is provided around outer portions of said connecting fins, and said collar is further provided on inner walls thereof with receiving grooves for receiving said connecting fins.

5. A pre-filled syringe for single use according to claim 4, characterised in that said cap is screw-connected to said mounting collar, said cap having a first screw thread on the outer wall of the end portion thereof adjacent said main barrel and a second screw thread on the inner wall of said mounting collar for co-operation with said first screw thread.

6. A pre-filled disposable syringe according to claim 1, wherein said sterilizing member is a sterilizing cotton sheet or a sterilizing sponge, and the sterilizing agent contained in said sterilizing member is 75% alcohol.

7. A pre-filled syringe of one use according to any of claims 1 to 6, wherein the mouth of said liquid outlet is further provided with an aluminum foil for sealing said liquid outlet.