CN220175760U - Double-channel venous indwelling needle - Google Patents

Abstract

The utility model discloses a double-channel venous indwelling needle in the technical field of medical equipment, which comprises an indwelling needle structure, wherein the indwelling needle structure comprises an adapter, a hose, a heparin cap and a separation plate, the top of the adapter is inserted with two hoses, and the end parts of the hoses are respectively inserted with one heparin cap; this binary channels vein keep somewhere setting of needle, structural design is reasonable, through the middle department installation adapter at hose and needle file, the inside cavity of its adapter is divided into two through the division board, two inside cavities of adapter communicate with two hoses respectively for can carry out quiet pushing away simultaneously and quiet dripping, and then flow can not receive the influence each other, finally meet the flow direction human vein in the inner chamber of needle file, thereby will keep somewhere needle inner space and divide into two under the circumstances of keeping somewhere the needle and can accomplish the injection of two kinds of medicines simultaneously, and then can improve the efficiency of injection when avoiding the injury to the vein.

Description

Double-channel venous indwelling needle

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a double-channel venous indwelling needle.

Background

The BD indwelling needle is made of advanced biological materials, has been widely applied abroad, is widely applied to hospitals in various large and medium cities in China, and not only avoids pains caused by repeated puncture on patients, protects blood vessels, is beneficial to clinical medication and emergency rescue, but also reduces the workload of nurses.

The simultaneous infusion of two kinds of liquid medicine can affect the infusion amount of the other liquid medicine when the existing indwelling needle is used, but the pain of a patient and the damage to veins are increased when the two indwelling needles are used. For this reason, new solutions need to be designed to solve.

Disclosure of Invention

The utility model aims to provide a double-channel venous indwelling needle, which aims to solve the problems that when the indwelling needle is used, the simultaneous input of two liquid medicines can influence the input amount of the other liquid medicine, but the pain of a patient and the damage to veins are increased when the two indwelling needles are used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a binary channels vein keep somewhere needle, includes keeps somewhere the needle structure, keep somewhere the needle structure and include adapter, hose, heparin cap and division board, two are pegged graft at the top of adapter the hose, one is pegged graft respectively to the tip of hose heparin cap, the division board weld in the inside wall of adapter, the inner chamber of its adapter divide into two, the play liquid end of adapter is connected with the needle file, the tip grafting of needle file has the syringe needle, the outside of hose has cup jointed the flow stopping seat, the lateral wall threaded connection of flow stopping seat has the screw thread seat, the tip of screw thread seat with the lateral wall contact of hose.

In order to limit the locked threaded seat, the double-channel venous indwelling needle is preferably provided with a socket sleeved outside the threaded seat, and two pins on the socket are spliced with the outer side wall of the flow stopping seat.

In order to prevent dust from adhering to the surface of the heparin cap to influence the next use, the double-channel venous indwelling needle is preferably provided with a sealing cover sleeved on the outer part of the heparin cap.

In order to conveniently stab the needle head into the vein, the double-channel venous indwelling needle is preferably provided with a handle welded on the outer side wall of the needle seat.

In order to enable the needle seat to be stably fixed and enable the needle head to be stably poked in a vein, the double-channel venous indwelling needle is preferable in the utility model, and the balance plate is welded on the outer side wall of the needle seat and is in contact with the skin.

In order to enhance the extrusion of the hose, the double-channel venous indwelling needle is preferable, one end of the threaded seat is embedded with a rubber block, and the other end of the threaded seat is sleeved with a rubber sleeve.

In order to ensure that two liquid medicines are uniformly mixed and flow into a human body, the double-channel venous indwelling needle is preferable, and an impeller is arranged in the needle seat through a rotating shaft.

Compared with the prior art, the utility model has the beneficial effects that: this binary channels vein keep somewhere setting of needle, structural design is reasonable, through the middle department installation adapter at hose and needle file, the inside cavity of its adapter is divided into two through the division board, two inside cavities of adapter communicate with two hoses respectively for can carry out quiet pushing away simultaneously and quiet dripping, and then flow can not receive the influence each other, finally meet the flow direction human vein in the inner chamber of needle file, thereby will keep somewhere needle inner space and divide into two under the circumstances of keeping somewhere the needle and can accomplish the injection of two kinds of medicines simultaneously, and then can improve the efficiency of injection when avoiding the injury to the vein.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of an adaptor according to the present utility model;

FIG. 3 is a schematic view of a screw seat according to the present utility model;

fig. 4 is a schematic cross-sectional view of the needle hub of the present utility model.

In the figure: 1. a needle retaining structure; 2. an adapter; 3. a hose; 4. a heparin cap; 5. a needle stand; 6. a needle; 7. a handle; 8. a balance plate; 9. a flow stopping seat; 10. sealing cover; 11. a screw seat; 12. a partition plate; 13. a socket; 14. a rubber sleeve; 15. a rubber block; 16. an impeller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution:

in the technical scheme, the double-channel venous indwelling needle comprises an indwelling needle structure 1, wherein the indwelling needle structure 1 comprises an adapter 2, a hose 3, a heparin cap 4 and a partition plate 12, two hoses 3 are inserted into the top of the adapter 2, one heparin cap 4 is inserted into the end parts of the hoses 3 respectively, the partition plate 12 is welded on the inner side wall of the adapter 2, the inner cavity of the adapter 2 is divided into two parts, the liquid outlet end of the adapter 2 is connected with a needle seat 5, a needle head 6 is inserted into the end part of the needle seat 5, a flow stopping seat 9 is sleeved outside the hose 3, a thread seat 11 is connected with the outer side wall of the flow stopping seat 9 in a threaded manner, and the end part of the thread seat 11 is in contact with the outer side wall of the hose 3;

in this kind of technical scheme, adapter 2, hose 3, heparin cap 4, needle file 5 and syringe needle 6 mutually support and use and form a passageway for the liquid medicine of external intercommunication is transmitted into in the human body, and the cooperation of stopping seat 9 and screw seat 11 is used mutually and is pressed down hose 3 and make it flatten and cut off hose 3, and division board 12 is used for cutting apart the inside of adapter 2 and divide into two, makes two cavities correspond a hose 3 respectively, and then makes things convenient for two kinds of liquid medicine to flow.

In some technical solutions, referring to fig. 3, the outer portion of the threaded seat 11 is sleeved with a socket 13, and two pins on the socket 13 are inserted into the outer side wall of the flow stopping seat 9.

In this technical scheme, the use of socket 13 can peg graft with the external portion of stopping seat 9 after screw seat 11 locks, and then can accomplish the locking to screw seat 11, prevents screw seat 11 from taking place the gyration.

In some embodiments, referring to fig. 1, the outer part of the heparin cap 4 is sleeved with a sealing cap 10.

In this technical scheme, the use of the sealing cover 10 can wrap the outside of the heparin cap 4, so that dust is prevented from adhering to the surface of the heparin cap 4 to influence the next transfusion.

In some embodiments, referring to fig. 1, the outer sidewall of the needle holder 5 is welded with a handle 7.

In this solution, the use of the handle 7 allows to insert the needle 6 precisely into the vein.

In some technical solutions, referring to fig. 1, the balance plate 8 is welded to the outer side wall of the needle holder 5, and the balance plate 8 is in contact with the skin.

In this technical scheme, use of balance plate 8 makes balance plate 8 laminating at skin surface after accomplishing syringe needle 6 grafting, prevents that syringe needle 6 from causing the vein jack to grow along with the rotation of needle file 5.

In some technical solutions, referring to fig. 3, one end of the screw seat 11 is inlaid with a rubber block 15, and the other end of the screw seat 11 is sleeved with a rubber sleeve 14.

In this kind of technical scheme, the use of rubber piece 15 can improve the extrusion efficiency to hose 3, avoids hose 3 to extrude the back and takes place to break, and the use of rubber cover 14 can improve the frictional force between hand and screw seat 11, conveniently rotates screw seat 11.

In some embodiments, referring to fig. 4, an impeller 16 is mounted inside the hub 5 through a rotation shaft.

In this solution, the use of the impeller 16 allows to facilitate the mixing of the two liquids.

Working principle: the two kinds of liquid medicine of quiet push and quiet drip are pegged graft with two heparin caps 4 respectively, at this moment, medical personnel hold the handle 7 first and stab syringe needle 6 into the vein, and use the sticky tape to fix syringe needle 6, 52, at this moment, unscrew screw seat 11, make the liquid medicine in two kinds of medicine bottles enter into the human body from syringe needle 6 through hose 3, adapter 2 and needle file 5, and division board 12 separates the inside of adapter 2, make the flow of liquid medicine not influence each other, after the liquid medicine is used up, syringe needle 6 remains in the body, only need screw up screw seat 11 and lock with socket 13, the plug and the heparin cap 4 that connect on the medicine bottle separate can.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. A binary channels vein keep somewhere needle, its characterized in that: including keeping somewhere needle structure (1), keep somewhere needle structure (1) including adapter (2), hose (3), heparin cap (4) and division board (12), two are pegged graft at the top of adapter (2) hose (3), one is pegged graft respectively to the tip of hose (3) heparin cap (4), division board (12) butt fusion in the inside wall of adapter (2), the inner chamber of adapter (2) is divided into two, the play liquid end of adapter (2) is connected with needle file (5), the tip of needle file (5) is pegged graft and is had syringe needle (6), the outside of hose (3) has been cup jointed and has been stopped flow seat (9), the lateral wall threaded connection of stopping flow seat (9) has screw thread seat (11), the tip of screw thread seat (11) with the lateral wall contact of hose (3).

2. The dual channel venous indwelling needle according to claim 1, in which: the outer part of the thread seat (11) is sleeved with a socket (13), and two pins on the socket (13) are spliced with the outer side wall of the flow stopping seat (9).

3. The dual channel venous indwelling needle according to claim 1, in which: the outside of heparin cap (4) has cup jointed sealed lid (10).

4. The dual channel venous indwelling needle according to claim 1, in which: the outer side wall of the needle seat (5) is welded with a handle (7).

5. The dual channel venous indwelling needle according to claim 1, in which: the outer side wall of the needle seat (5) is welded with a balance plate (8), and the balance plate (8) is in contact with the skin.

6. The dual channel venous indwelling needle according to claim 1, in which: one end of the thread seat (11) is inlaid with a rubber block (15), and the other end of the thread seat (11) is sleeved with a rubber sleeve (14).

7. The dual channel venous indwelling needle according to claim 1, in which: an impeller (16) is arranged in the needle seat (5) through a rotating shaft.