CN215995150U

CN215995150U - Aseptic syringe needle cap

Info

Publication number: CN215995150U
Application number: CN202122473588.0U
Authority: CN
Inventors: 张天鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-11
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses an aseptic syringe needle cap, including the connecting seat and the outer tube of setting at the connecting seat top that are used for connecting the syringe needle, the inner tube and the sleeve pipe of wearing out in the outer tube are in proper order by outer to the nested setting of interior slip, and inner tube and the cooperation of outer tube joint, the sleeve pipe is fixed on the connecting seat, is equipped with the spring that will make progress jack-up with the inner tube at sheathed tube outside cover, the helmet that has ventilation function is established to the pot head that stretches out of inner tube, the inner chamber level of helmet is provided with the gas-liquid separation membrane. The utility model discloses utilize the needle cap structure of exempting from the disconnect-type, when can effectively preventing to insert the needle cap back the syringe needle, medical personnel stab the emergence of risk.

Description

Aseptic syringe needle cap

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an aseptic syringe needle cap.

Background

The syringe is a common medical appliance, the principle of the syringe is proposed by katini of Italian people as early as the 15 th century, gas or liquid is mainly extracted or injected by using a needle head, at present, when medical workers exhaust air in a needle tube, a part of liquid medicine is discharged, so that the liquid medicine is wasted, and when a needle cap is covered, a needle stick injury is very easy to occur, and the syringe is very dangerous.

Chinese patent publication No. CN213994475U discloses a needle cap, including the cap body, cap body upper end outside cover is equipped with the extension cap, extend to be equipped with between cap and the cap body to be used for carrying out the extension mechanism that extends to length, be equipped with on the lateral wall of cap body outer end to be used for carrying out the fixed establishment to extension cap position, set up the through-hole of inside and outside intercommunication on the extension cap up end, the inboard installation of through-hole is provided with and is used for carrying out filterable filter plate to the air, it is equipped with the disinfection chamber that is used for disinfecting to the syringe needle to extend the cap inboard. The utility model discloses a can adjust the interval between the extension cap and the cap body through the effect of the regulation pole that sets up, and then make the device can both use the syringe needle of different length, and then increase the holistic application scope of device, can fix the position of extending the cap through the effect between fixed pin and fixed orifices and the regulation hole, and then guarantee that the holistic stability of device is convenient for better the using of device, but it can not preserve the liquid medicine to can not reduce the risk that the needle prick hindered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sterile syringe needle cap.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an aseptic syringe needle cap, is including the connecting seat that is used for connecting the syringe needle and set up the outer tube at the connecting seat top, and the inner tube and the sleeve pipe of wearing out in the outer tube are in proper order by outer to interior slip nested setting, and inner tube and outer tube joint cooperation, the sleeve pipe is fixed on the connecting seat, overlaps in the sheathed tube outside and is equipped with the spring that is used for the inner tube jack-up that makes progress, the helmet that has ventilation function is established to the end cover that stretches out of inner tube, the inner chamber level of helmet is provided with the gas-liquid separation membrane.

As a further description of the above technical solution: the top of the protective cap is provided with an end face with an exhaust hole.

As a further description of the above technical solution: the helmet is in clamping connection with the inner pipe, a clamping groove is formed in the inner wall of the helmet, and a clamping ring in clamping connection with the clamping groove is arranged on the periphery of the inner pipe.

As a further description of the above technical solution: the gas-liquid separation membrane is fixed in the protective cap through a connecting block.

As a further description of the above technical solution: and a fixed block and a sliding chute which are in sliding fit are arranged along the length direction of the inner pipe and the outer pipe.

As a further description of the above technical solution: the end surface of the top of the inner tube is provided with a fixed sealing ring.

As a further description of the above technical solution: a sliding sealing ring is arranged between the inner wall of the inner pipe and the sleeve.

As a further description of the above technical solution: the outer wall of the inner pipe is provided with a button, the side wall of the outer pipe is provided with a clamping hole, and the clamping matching is realized through the button and the clamping hole.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, when the liquid medicine drop fell in the inner tube, the liquid medicine was unable to pass through the gas-liquid separation membrane, and was blockked including intraduct to through the fixed seal circle and the sliding seal circle that set up, can prevent that the liquid medicine from oozing from the gap, hold between the fingers the inner tube after that, then vertical helmet of pulling out, make the liquid medicine reserve inside the helmet, can prevent that the liquid medicine from spattering the pollution to the surrounding environment all around.

The utility model discloses when using the syringe needle, pull out the helmet, make inner tube and outer tube joint, realize the effect that contracts of needle cap back to expose the syringe needle, and use the back, break away from the card hole with the button, make the inner tube reset. The utility model discloses utilize the needle cap structure of exempting from the disconnect-type, when can effectively preventing to insert the needle cap back the syringe needle, medical personnel stab the emergence of risk.

Drawings

FIG. 1 is a perspective view of a sterile syringe needle cap according to the present invention;

FIG. 2 is a cross-sectional view of a sterile syringe needle cap according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an enlarged view of fig. 2 at B.

Illustration of the drawings:

1. an inner tube; 2. an exhaust hole; 3. a protective cap; 4. an outer tube; 5. a button; 6. a connecting seat; 7. a gas-liquid separation membrane; 8. sliding the seal ring; 9. a spring; 10. a clamping hole; 11. a sleeve; 12. a card slot; 13. a snap ring; 14. fixing the sealing ring; 15. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an aseptic syringe needle cap, including outer tube 4, the 4 lower part left and right sides of outer tube all are provided with card hole 10, the inside sleeve pipe 11 of

outer tube

4, 11 lower part peripheries of sleeve pipe are provided with

spring

9, 11 upper portion peripheries sliding connection of sleeve pipe have inner tube 1, the lower part left and right sides all is provided with button 5 in the inner tube 1, this button 5 is the plastics material, certain elasticity has, can be pressed, and when loose hand, the ability reconversion, the inboard fixedly connected with sliding seal circle 8 in lower part in the

inner tube

1, 1 upper portion peripheries of inner tube are provided with snap ring 13, snap ring 13 can block inside draw-in groove 12, draw-in groove 12 sets up inboard in 3 lower parts of helmet. The inner wall of 3 middle parts of helmet is provided with connecting block 15, connecting block 15 middle parts are provided with gas-liquid separation membrane 7, connecting block 15 lower parts are provided with fixed seal 14, to sum up, at first the syringe needle is vertical upwards, make the syringe needle cap vertical, then with the air discharge in the syringe, when the liquid medicine drops in inner tube 1, the liquid medicine can't pass through gas-liquid separation membrane 7, be blockked inside inner tube 1, and through setting up fixed seal 14 and sliding seal 8, can prevent that the liquid medicine from oozing from the gap, hold between the fingers inner tube 1 after that, then invert the syringe, vertical helmet 3 of pulling out, make the liquid medicine stay inside 3 of helmet, and press inner tube 1 to 6 directions of connecting seat, make button 5 card inside card hole 10, thereby expose the syringe needle and use. After the needle head is used, the button 5 is pressed, so that the button 5 is separated from the clamping hole 10, then the spring 9 resets the inner tube 1, finally the inner tube 1 is pinched, the protective cap 3 is covered to the original position, and the clamping ring 13 clamps the clamping groove 12 again to fix the protective cap 3.

The spring 9 is arranged at the lower part of the inner tube 1, the inner tube 1 is reset through the spring 9, the sliding seal ring 8 is connected at the periphery of the sleeve 11 in a sliding way, the liquid medicine is prevented from seeping out from a gap between the inner tube 1 and the sleeve 11, the inner tube 1 is connected inside the outer tube 4 in a sliding way, because the fixed block is arranged at the outer side of the middle lower part of the inner tube 1 and slides in the sliding groove of the outer tube 4, the inner tube 1 can only move up and down and can not rotate, the buttons 5 correspond to the clamping holes 10 one by one, so that the button 5 can be clamped into the clamping hole 10, the fixed sealing ring 14 is arranged at the upper end of the inner tube 1 to prevent the liquid medicine from seeping out from the gap between the inner tube 1 and the connecting block 15, the upper end of the protective cap 3 is provided with the exhaust holes 2 which are uniformly distributed, used for exhausting and protecting the gas-liquid separation membrane 7 from being damaged, the lower part of the outer tube 4 is provided with a connecting seat 6, and a sleeve 11 is communicated with the connecting seat 6 and used for connecting a needle.

The use process comprises the following steps:

at first vertical with the syringe, make the syringe needle set up, then discharge the air in the syringe, when the medicine liquid drop fell in inner tube 1, the liquid medicine was unable to pass through gas-liquid separation membrane 7, be blockked inside inner tube 1, and through the fixed seal circle 14 and the slip sealing washer 8 that set up, can prevent that the liquid medicine from oozing from the gap, hold between the fingers inner tube 1 after that, then invert the syringe, vertical helmet 3 of pulling out, make the liquid medicine stay there inside helmet 3, press inner tube 1 to 6 directions of connecting seat again, make button 5 card inside calorie hole 10, thereby expose the syringe needle and use. After the needle head is used, the button 5 is pressed, the button 5 is separated from the clamping hole 10, then the spring 9 resets the inner tube 1, the inner tube 1 is finally pinched, the protective cap 3 is covered to the original position, the clamping ring 13 clamps the clamping groove 12 again to fix the protective cap 3, and the risk of needle stick injury is effectively prevented when the needle cap is inserted back to the needle head.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A sterile syringe needle cap, including a connecting seat (6) for connecting a needle and an outer tube (4) arranged at the top of the connecting seat (6), characterized in that: from outer nested setting of sliding to interior of inner tube (1) and sleeve pipe (11) of wearing out in outer tube (4) in proper order, and inner tube (1) and outer tube (4) joint cooperation, sleeve pipe (11) are fixed on connecting seat (6), and the outside cover of sleeve pipe (11) is equipped with spring (9) that will make inner tube (1) jack-up that makes progress, the helmet (3) that have ventilation function are established to the end cover that stretches out of inner tube (1), the inner chamber level of helmet (3) is provided with gas-liquid separation membrane (7).

2. A sterile syringe needle cap according to claim 1, wherein: the top of the protective cap (3) is provided with an end face with an exhaust hole (2).

3. A sterile syringe needle cap according to claim 2, wherein: the protective cap (3) is connected with the inner tube (1) in a clamping mode, a clamping groove (12) is formed in the inner wall of the protective cap (3), and a clamping ring (13) matched with the clamping groove (12) in a clamping mode is arranged on the periphery of the inner tube (1).

4. A sterile syringe needle cap according to any one of claims 1 to 3, wherein: the gas-liquid separation membrane (7) is fixed in the protective cap (3) through a connecting block (15).

5. A sterile syringe needle cap according to claim 1, wherein: and a fixed block and a sliding chute which are in sliding fit are arranged along the length direction of the inner pipe (1) and the outer pipe (4).

6. A sterile syringe needle cap according to claim 5, wherein: the top end face of the inner pipe (1) is provided with a fixed sealing ring (14).

7. A sterile syringe needle cap according to claim 1, wherein: a sliding sealing ring (8) is arranged between the inner wall of the inner pipe (1) and the sleeve (11).

8. A sterile syringe needle cap according to claim 1, wherein: be equipped with button (5) on the outer wall of inner tube (1), card hole (10) have been seted up on the lateral wall of outer tube (4), realize the joint cooperation through button (5) and card hole (10).