CN210813130U

CN210813130U - Double-cavity remaining needle

Info

Publication number: CN210813130U
Application number: CN201921573450.4U
Authority: CN
Inventors: 李晓丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-23
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to the technical field of medical appliances, specifically be a needle is kept somewhere to two-chamber, including the infusion body, infusion body one end fixedly connected with screw thread even cap post, the fixed cover of infusion body inner chamber has inlayed white isolation stopper, the screw thread even cap post keep away from in white isolation stopper one end fixedly connected with first hose and second hose, the infusion body is kept away from first hose with the pot head of second hose inlays and is connected with supplementary contact pin mechanism, just supplementary contact pin mechanism is detachable construction. The utility model is convenient for the rapid taking-off of the cap body; mechanism and filter screen are just got through being equipped with, and first hose card is inboard at the rubber rand, and the back of rotating on the cap body even cap post with the screw thread this moment, small-size spring has elasticity this moment, takes off the cap body quick even cap post from the screw thread, can harm the finger when preventing that medical staff from taking off, causes injury and infection, and the filter screen effective filtration assists the liquid medicine, and the practicality is stronger.

Description

Double-cavity remaining needle

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a double-cavity remaining needle.

Background

With the development of economy and the improvement of living standard of people, the medical treatment aspect is also changed greatly, thereby causing the occurrence of the remaining needle, the use of the remaining needle can reduce the pain and the fear of the injection of the sick children caused by the repeated venipuncture, relieve the anxiety of parents, facilitate the clinical medication, relieve the workload of nurses and reduce the pain of the sick children, therefore, the vein indwelling needle is widely applied in clinic, and in the face of a special group of children patients, the length of the indwelling time of the vein indwelling needle and the comfort of the children patients become the most concerned problems of nurses and parents, and the vein indwelling needle is also the precondition of successful use mark and popularization of the indwelling needle, but the existing remaining needle can not achieve the effect of the combined action of two auxiliary liquid medicines, wastes time and labor when mixing the auxiliary liquid medicines, has low efficiency, and the cap body is very inconvenient to take down, and a double-cavity remaining needle is needed nowadays to achieve the purpose of being convenient for people to use.

In the actual installation operation, however, the cap body outside the hose cannot be better taken down quickly, hands are easy to be injured in the taking-down process, the using effect is poor, the safety is not high, the liquid for transfusion cannot be filtered timely, and the safety of a transfusion person cannot be further protected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the cap body is not convenient to take down and is not beneficial to better inputting auxiliary liquid medicine in the prior art, and providing a double-cavity indwelling needle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the double-cavity remaining needle comprises a transfusion tube body, wherein one end of the transfusion tube body is fixedly connected with a threaded connection cap column, a white isolation plug is embedded in an inner cavity of the transfusion tube body in a fixed sleeving manner, the threaded connection cap column is far away from one end of the white isolation plug and is fixedly connected with a first hose and a second hose, one end of the transfusion tube body far away from the first hose and the second hose is embedded with an auxiliary needle inserting mechanism, the auxiliary needle inserting mechanism is of a detachable structure, the outer side surface of the transfusion tube body is connected with a first connecting column and a second connecting column, inner cavities of the first connecting column and the second connecting column are both fixedly connected with filter screens, one ends of the first connecting column and the second connecting column far away from the transfusion tube body are both fixedly connected with extension tubes, and the other ends of the first connecting column and the second connecting column are respectively and fixedly connected with a first transfusion column and, the first infusion column and the second infusion column are located in the inner cavity of the infusion tube body, the top end of the second infusion column penetrates through the inner cavity of the first infusion column, the first infusion column and the second infusion column are respectively and fixedly connected to the first hose and the second hose, a clamping mechanism is connected to the outer side of the extension tube in an embedded mode, a liquid receiving mechanism is fixedly connected to the liquid receiving end of the extension tube, and a convenient taking mechanism is connected to the outer side of the threaded cap column in a threaded mode.

Preferably, the clamping mechanism comprises a supporting body, a latch and a hydraulic column, the supporting body is connected to the outer side surface of the extension pipe in a penetrating manner, the hydraulic column and the latch are both fixedly connected to the inner side surface of the supporting body, and the supporting body and the hydraulic column are in arc-shaped protruding structures at opposite positions.

Preferably, connect liquid mechanism including holding post, malleation joint and positive pressure valve, malleation joint one end fixed connection in the extension pipe, hold post fixed connection in the malleation connects, it has the heparin cap to hold post inner chamber threaded connection, malleation connects the one end fixed connection who keeps away from the extension pipe in the positive pressure valve, positive pressure valve quantity is two.

Preferably, supplementary contact pin mechanism includes the steel needle, fixes the stopper and holds the needle handle, fixed stopper inlay card connect in the infusion body, fixed stopper left end external diameter size with infusion body internal diameter size phase-match, steel needle one end fixed connection in fixed stopper, the steel needle run through in white isolation stopper and laminating connect in first hose and second hose inside surface, steel needle length dimension is greater than first hose and second hose length dimension, hold needle handle fixed connection in fixed stopper outside surface.

Preferably, just, get the mechanism and include the cap body, fixed disk, rubber rand, small-size spring and bearing disc, cap body threaded connection in threaded connection cap post, bearing disc fixed connection in cap body inner chamber bottom, small-size spring bottom fixed connection in the bearing disc, small-size spring top fixed connection in the fixed disk, the fixed disk is hollow structure, rubber rand fixed connection in the fixed disk is inboard.

The utility model provides a needle is kept somewhere to two-chamber, beneficial effect lies in:

mechanism and filter screen are got through being equipped with just, during the use, and first hose card is inboard at rubber rand, and with the cap body even rotatory back on the cap post with the screw thread this moment, small-size spring has elasticity this moment, even takes off the cap post with the quick follow screw thread of the cap body, can harm the finger when preventing medical staff from taking off, causes injury and infection, and the filter screen effective filtration assists the liquid medicine, improves the security, and the practicality is stronger.

Drawings

FIG. 1 is a schematic view of the external structure of a double lumen indwelling needle according to the present invention;

FIG. 2 is a schematic diagram of a related detailed structure after a steel needle is taken;

FIG. 3 is a detailed schematic view of the clamping mechanism of the present invention;

FIG. 4 is a detailed schematic view of the liquid receiving mechanism of the present invention;

FIG. 5 is a detailed view of the inner chamber of the middle infusion tube of the present invention;

fig. 6 is a detailed schematic view of the convenient fetching mechanism of the present invention.

In the figure: 1. a transfusion tube body; 2. a white isolating plug; 3. a first hose; 4. a first connecting column; 5. a second connecting column; 6. an extension tube; 7. a support body; 8. clamping teeth; 9. pressing a liquid column; 10. a receiving post; 11. a positive pressure joint; 12. a positive pressure valve; 13. a heparin cap; 14. a steel needle; 15. a fixed plug; 16. a needle holding handle; 17. the screw thread is connected with the cap column; 18. a filter screen; 19. a cap body; 20. fixing the disc; 21. a rubber collar; 22. a small spring; 23. a bearing disk; 24. a second hose; 25. a first infusion column; 26. a second infusion column.

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.

Referring to fig. 1-6, a double-cavity indwelling needle comprises a transfusion tube body 1, one end of the transfusion tube body 1 is fixedly connected with a threaded connection cap column 17, a white isolation plug 2 is fixedly embedded in an inner cavity of the transfusion tube body 1, one end of the threaded connection cap column 17, which is far away from the white isolation plug 2, is fixedly connected with a first hose 3 and a second hose 24, one end of the transfusion tube body 1, which is far away from the first hose 3 and the second hose 24, is fixedly embedded with an auxiliary needle inserting mechanism, the auxiliary needle inserting mechanism is of a detachable structure, the outer surface of the transfusion tube body 1 is connected with a first connecting column 4 and a second connecting column 5, inner cavities of the first connecting column 4 and the second connecting column 5 are fixedly connected with a filter screen 18, one ends of the first connecting column 4 and the second connecting column 5, which are far away from the transfusion tube body 1, are fixedly connected with an extension tube 6, the other ends of the first connecting column, and the first infusion column 25 and the second infusion column 26 are both positioned in the inner cavity of the infusion tube body 1, the top end of the second infusion column 26 penetrates through the inner cavity of the first infusion column 25, the first infusion column 25 and the second infusion column 26 are respectively and fixedly connected to the first hose 3 and the second hose 24, the outer side of the extension tube 6 is connected with a clamping mechanism in an embedded mode, the liquid connecting end of the extension tube 6 is fixedly connected with a liquid receiving mechanism, and the outer side of the threaded connection cap column 17 is connected with a convenient taking mechanism in a threaded mode.

Clamping mechanism includes supporter 7, latch 8 and fluid pressing column 9, and supporter 7 through connection is in extension pipe 6 outside surface, and equal fixed connection in supporter 7 inside surface of fluid pressing column 9 and latch 8, supporter 7 and fluid pressing column 9 relative position are arcuation protruding structure, presses the one end of supporter 7, blocks to latch 8 on, and fluid pressing column 9 just compresses tightly extension pipe 6 with the protruding structure of supporter 7 this moment, prevents the blood backward flow, improves the security.

Connect liquid mechanism including holding post 10, the malleation connects 11 and

positive pressure valve

12, 11 one end fixed connection in extension pipe 6 are connected to the malleation, hold 10 fixed connection in malleation of post and connect 11, hold 10 inner chamber threaded connection of post and have heparin cap 13, the malleation connects 11 one end fixed connection who keeps away from extension pipe 6 in positive pressure valve 12, positive pressure valve 12 quantity is two, effectual liquid medicine input will be assisted, the effect of heparin cap 13 is for preventing blood backward flow and solidification, block up when preventing next infusion.

The auxiliary needle inserting mechanism comprises a steel needle 14, a fixed plug 15 and a needle holding handle 16, the fixed plug 15 is connected to the infusion tube body 1 in a clamping and embedding manner, the outer diameter of the left end of the fixed plug 15 is matched with the inner diameter of the infusion tube body 1, one end of the steel needle 14 is fixedly connected to the fixed plug 15, the steel needle 14 penetrates through the white isolating plug 2 and is connected to the inner side surfaces of the first hose 3 and the second hose 24 in a fitting manner, the length dimension of the steel needle 14 is larger than the length dimension of the first hose 3 and the second hose 24, the needle holding handle 16 is fixedly connected to the outer side surface of the fixed plug 15, a user inserts the steel needle 14 and the first hose 3 and the second hose 24 into sterilized skin by using the needle holding handle 16, when blood returns, the thumb abuts against the joint of the first connecting column 4 or the second connecting column 5 and the infusion tube body 1, then the needle holding handle 16 is pushed by the forefinger to take the fixed plug 15 out of the inner cavity of the infusion, then, the first hose 3 and the second hose 24 are continuously conveyed towards the direction of blood vessels, the steel needle 14 is taken down while conveying, until the first hose 3 and the second hose 24 are conveyed to proper positions, and the steel needle 14, the fixed plug 15 and the needle holding handle 16 are all taken down.

The taking mechanism comprises a cap body 19, a fixed disc 20, a rubber collar 21, a small spring 22 and a bearing disc 23, wherein the cap body 19 is connected to the threaded cap connecting column 17 in a threaded mode, the bearing disc 23 is fixedly connected to the bottom of an inner cavity of the cap body 19, the bottom end of the small spring 22 is fixedly connected to the bearing disc 23, the top end of the small spring 22 is fixedly connected to the fixed disc 20, the fixed disc 20 is of a hollow structure, the rubber collar 21 is fixedly connected to the inner side of the fixed disc 20, the cap body 19 is rotated, the outer side of the first hose 3 is clamped to the rubber collar 21 at the moment, when the cap body 19 is rotated, the fixed disc 20 and the small spring 22 rotate on the bearing disc 23, when the cap body 19 is taken down from the threaded cap connecting column 17, the small spring 22 generates elastic force, the first hose 3 is separated from the rubber collar 21, the cap body 19 is separated from.

When in specific use, the utility model relates to a needle is kept somewhere to two-chamber, during the use, at first twist two kinds of supplementary liquid medicines respectively to positive pressure valve 12 of malleation joint 11 one end, the liquid medicine can flow to first spliced pole 4 and second spliced pole 5 through malleation joint 11, filter screen 18 can effectual filtration supplementary liquid medicine at this moment, and then flow to first infusion column 25 and second infusion column 26 in infusion body 1, then rotatory cap body 19, the outside card of first hose 3 is to rubber rand 21 at this moment, when rotatory cap body 19, fixed disk 20 can rotate on bearing disc 23 with small-size spring 22, when the cap body 19 takes off from threaded connection cap post 17 in the twinkling of an eye, small-size spring 22 can produce elasticity, thereby break away from first hose 3 and rubber rand 21, and cap body 19 can separate with threaded connection cap post 17, be convenient for medical staff's quick taking off cap body 19, and further, wait for the liquid medicine to discharge from steel needle 14, so as to discharge the gas in the double-cavity remaining needle, then the user inserts the steel needle 14 and the first hose 3 and the second hose 24 into the sterilized skin by using the needle holding handle 16, when blood returns, the thumb is propped against the joint of the first connecting column 4 or the second connecting column 5 and the infusion tube body 1, then the index finger is used for pushing the needle holding handle 16, the fixing plug 15 is taken out from the inner cavity of the infusion tube body 1, at the moment, the steel needle 14 can be slowly taken out from the white isolating plug 2, then the first hose 3 and the second hose 24 are continuously sent towards the blood vessel direction, the steel needle 14 is taken down while sending, until the first hose 3 and the second hose 24 are sent to the proper positions, the steel needle 14, the fixing plug 15 and the needle holding handle 16 are all taken down, further, after the infusion is completed, one end of the support body 7 is pressed down and clamped on the clamping tooth 8, at the moment, the liquid pressing column 9 and the protruding structure of the support body 7 just press the extension tube 6, prevent the blood backward flow, to the effect of heparin cap 13 for preventing the blood backward flow with solidify, block up when preventing to infuse next time, this double-chamber is kept somewhere the needle practicality and is stronger, the supplementary liquid medicine of two kinds of differences of the timely input of being convenient for, need not take out supplementary liquid medicine from the bottle and pack into another big bottle, improve availability factor, easy operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a needle is kept somewhere to two-chamber, includes infusion body (1), a serial communication port, infusion body (1) one end fixedly connected with thread connection cap post (17), the fixed cover of infusion body (1) inner chamber has inlayed white isolation stopper (2), thread connection cap post (17) keep away from in white isolation stopper (2) one end fixedly connected with first hose (3) and second hose (24), infusion body (1) is kept away from first hose (3) with the one end cover of second hose (24) inlays and is connected with supplementary contact pin mechanism, just supplementary contact pin mechanism is detachable construction, infusion body (1) outside surface is connected with first spliced pole (4) and second spliced pole (5), first spliced pole (4) and the equal fixedly connected with filter screen (18) of second spliced pole (5) inner chamber, first spliced pole (4) and second spliced pole (5) are kept away from the equal fixed connection of one end of infusion body (1) is connected with There is extension pipe (6), first spliced pole (4) and second spliced pole (5) other end difference fixedly connected with first infusion column (25) and second infusion column (26), just first infusion column (25) with second infusion column (26) all are located infusion body (1) inner chamber, second infusion column (26) top run through in first infusion column (25) inner chamber, first infusion column (25) with second infusion column (26) respectively fixed connection in first hose (3) with second hose (24), extension pipe (6) outside cover is connected with clamping mechanism, extension pipe (6) connect the equal fixedly connected with of liquid end and connect the liquid mechanism, threaded connection cap post (17) outside threaded connection has the mechanism of just getting.

2. The double-cavity indwelling needle of claim 1, wherein the clamping mechanism comprises a support body (7), a latch (8) and a hydraulic column (9), the support body (7) is connected to the outer surface of the extension tube (6) in a penetrating manner, the hydraulic column (9) and the latch (8) are both fixedly connected to the inner surface of the support body (7), and the support body (7) and the hydraulic column (9) are in arc-shaped protruding structures at opposite positions.

3. The needle is kept somewhere to two-chamber of claim 1, characterized in that, connect liquid mechanism including holding post (10), malleation joint (11) and positive pressure valve (12), malleation joint (11) one end fixed connection in extension pipe (6), hold post (10) fixed connection in malleation joint (11), hold post (10) inner chamber threaded connection have heparin cap (13), malleation joint (11) keep away from one end fixed connection of extension pipe (6) in positive pressure valve (12), positive pressure valve (12) quantity is two.

4. The double-cavity indwelling needle of claim 1, wherein the auxiliary needle inserting mechanism comprises a steel needle (14), a fixing plug (15) and a needle holding handle (16), the fixing plug (15) is connected to the infusion tube body (1) in a snap-fit manner, the outer diameter of the left end of the fixing plug (15) is matched with the inner diameter of the infusion tube body (1), one end of the steel needle (14) is fixedly connected to the fixing plug (15), the steel needle (14) penetrates through the white isolating plug (2) and is attached to the inner side surfaces of the first hose (3) and the second hose (24), the length of the steel needle (14) is greater than the length of the first hose (3) and the second hose (24), and the needle holding handle (16) is fixedly connected to the outer side surface of the fixing plug (15).

5. The double-cavity indwelling needle of claim 1, wherein the access mechanism comprises a cap body (19), a fixed disc (20), a rubber collar (21), a small spring (22) and a bearing disc (23), the cap body (19) is screwed on the screw thread cap connecting column (17), the bearing disc (23) is fixedly connected to the bottom of the inner cavity of the cap body (19), the bottom end of the small spring (22) is fixedly connected to the bearing disc (23), the top end of the small spring (22) is fixedly connected to the fixed disc (20), the fixed disc (20) is of a hollow structure, and the rubber collar (21) is fixedly connected to the inner side of the fixed disc (20).