CN211751525U

CN211751525U - Anti-backflow remaining needle device

Info

Publication number: CN211751525U
Application number: CN202020144342.1U
Authority: CN
Inventors: 徐樱月; 成俊睿; 成昊洋
Original assignee: Chongqing Bishan Peoples Hospital
Current assignee: Chongqing Bishan Peoples Hospital
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-10-27
Anticipated expiration: 2030-01-22

Abstract

The utility model is suitable for the medical technical field, and provides a backflow-preventing remaining needle device, which comprises a remaining needle seat, a remaining needle body, a connecting hose, a connector, a puncture needle seat, a puncture needle, a sealing base and a sealing bolt, wherein the inside of the remaining needle body is connected with the puncture needle in a sliding way, when in use, the puncture needle punctures the vein of a patient through the puncture needle and drives the remaining needle body sleeved on the outer surface of the puncture needle to enter the vein of the patient, then the puncture needle which is connected with the inside of the remaining needle body in a sliding way is pulled out from the outside of the remaining needle seat, thereby carrying out the transfusion work on the patient, after the transfusion is finished, the sealing bolt is aligned to the needle seat and is inserted into the remaining needle seat, the sealing base is clamped through the remaining needle seat, because the length of the sealing bolt is equal, the problem of blockage of the needle tube in the indwelling needle body caused by blood backflow of a patient is avoided.

Description

Anti-backflow remaining needle device

Technical Field

The utility model belongs to the technical field of the medical treatment, especially, relate to a needle device is kept somewhere in anti-return.

Background

The use of remaining needle can reduce the misery that the infant caused because of relapse venipuncture and the fear of making a needle, alleviate the headings's anxiety, the clinical medicine of being convenient for, urgent, critical patient's rescue is used medicine, alleviate nurse's work load, it is painful to reduce the infant, therefore the vein is kept somewhere the needle and is being used widely in clinic, in the face of this special colony of infant, the length of vein is kept somewhere needle and the comfort of infant becomes nurse and the headings's problem of paying attention to, also is the prerequisite of sign and popularization that the needle of keeping somewhere was used successfully.

Keep somewhere the needle and block up the pinhole through the valve after using, avoid patient's blood backward flow, when using once more, keep somewhere that blood in front of the valve may block up the pinhole, need medical personnel to break through the inside blood of pinhole through the injection, not only increaseed medical personnel's work load, increased patient's misery moreover.

SUMMERY OF THE UTILITY MODEL

The utility model provides a needle device is kept somewhere in anti-return aims at solving and keeps somewhere the needle and plug up the pinhole through the valve after using, avoids patient's blood backward flow, when using once more, keeps somewhere that blood in front of the valve may plug up the pinhole, needs medical personnel to break away the inside blood of pinhole through the injection, has not only increaseed medical personnel's work load, has increased patient's painful problem moreover.

The utility model discloses a realize like this, a needle device is kept somewhere in anti-return, including keeping somewhere the needle file, keeping somewhere needle body, coupling hose, joint, puncture needle file, pjncture needle, sealing base and sealing bolt, keep somewhere needle body fixed connection in keep somewhere the top of needle file, coupling hose fixed connection in keep somewhere the lateral wall of needle file, and with keep somewhere the inside being linked together of needle file, connect fixed connection in the coupling hose top, the puncture needle file is located keep somewhere inside the needle file, and with keep somewhere the needle file and can dismantle the connection, the pjncture needle with puncture needle file fixed connection, sealing base joint in keep somewhere inside the needle file, the sealing bolt with sealing base's wherein one end fixed connection.

Preferably, the indwelling needle seat is of a circular tubular structure, the interior of the indwelling needle seat is hollow, and the inner diameter of the indwelling needle seat is equal to the diameter of the right side of the puncture needle seat.

Preferably, a handle is arranged on one side of the indwelling needle seat, which is far away from the connecting hose, the handle is of an arc-shaped plate-shaped structure, an anti-skidding groove is formed in the outer surface of the handle, and the handle is fixedly connected with the indwelling needle seat.

Preferably, the indwelling needle body is of a circular tubular structure, the inner diameter of the indwelling needle body is equal to the diameter of the puncture needle, and the length of the puncture needle is one millimeter longer than that of the indwelling needle body.

Preferably, the joint is communicated with the interior of the indwelling needle seat through the connecting hose, and an internal thread is arranged in the joint and is in threaded connection with an infusion tube through the internal thread.

Preferably, the puncture needle seat is sleeved on the outer surface of the indwelling needle body in a circular ring shape and is fixedly connected with the outer wall of the indwelling needle body, and the outer diameter of the puncture needle seat is larger than the diameter of the indwelling needle seat.

Preferably, the sealing bolt is of a cylindrical structure, the top of the sealing bolt is semicircular, and the length of the sealing bolt is equal to that of the indwelling needle body.

Compared with the prior art, the beneficial effects of the utility model are that: the backflow-preventing remaining needle device of the utility model is provided with the remaining needle seat, the remaining needle body, the puncture needle seat, the puncture needle body and the sealing bolt, wherein the inside of the remaining needle body is connected with the puncture needle in a sliding way, the puncture needle punctures the vein of a patient and drives the remaining needle body sleeved on the outer surface of the puncture needle to enter the vein of the patient, then the puncture needle which is connected with the inside of the remaining needle body in a sliding way is pulled out from the outside of the remaining needle seat, the infusion operation can be carried out on the patient, after the infusion is finished, the sealing bolt is aligned to the indwelling needle seat, the sealing bolt fixedly connected with the sealing base is inserted into the indwelling needle seat, the sealing base is clamped by the indwelling needle seat, because the length of sealing bolt equals the length of keeping somewhere the needle body, fill the inside space of keeping somewhere the needle body through sealing bolt, avoided patient's blood backward flow to cause the problem of keeping somewhere the inside needle tubing jam of needle body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a sealing structure of the present invention;

fig. 3 is a schematic view of the connection structure of the present invention;

in the figure: 11. keeping the needle stand; 12. a remaining needle body; 13. a handle; 14. a connecting hose; 15. a joint; 16. an internal thread; 17. a puncture needle seat; 18. puncturing needle; 19. sealing the base; 20. and sealing the plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a needle device is kept somewhere in anti-return, including keeping somewhere needle file 11, keep somewhere needle body 12, coupling hose 14, connect 15, puncture needle file 17, pjncture needle 18, sealing base 19 and sealing bolt 20, keep somewhere needle body 12 fixed connection in the top of keeping somewhere needle file 11, coupling hose 14 fixed connection is in the lateral wall of keeping somewhere needle file 11, and with keeping somewhere that needle file 11 is inside to be linked together, connect 15 fixed connection in coupling hose 14 top, puncture needle file 17 is located and keeps somewhere inside needle file 11, and can dismantle with keeping somewhere needle file 11 and be connected, pjncture needle 18 and puncture needle file 17 fixed connection, 19 joints of sealing base are inside keeping somewhere needle file 11, sealing bolt 20 and sealing base 19 one of them one end fixed connection.

In this embodiment, the inside sliding connection of remaining needle body 12 has pjncture needle 18, puncture patient's vein through pjncture needle 18, drive remaining needle body 12 and get into inside patient's vein, then extract sliding connection in the pjncture needle 18 of remaining needle body 12 inside from remaining needle file 11 outside, can carry out infusion work to the patient, after the infusion is accomplished, aim at sealed bolt 20 at remaining needle file 11, and insert sealed bolt 20 of fixed connection on sealed base 19 inside remaining needle file 11, block sealed base 19 through remaining needle file 11, because the length of sealed bolt 20 equals the length of remaining needle body 12, fill the space inside remaining needle body 12 through sealed bolt 20, the problem of patient's blood backflow and cause the inside needle tubing jam of remaining needle body 12 has been avoided.

In the embodiment, when in use, a medical staff holds the handle 13, aligns the tip of the puncture needle 18 with the vein of a patient, applies pressure to the handle 13, inserts the puncture needle 18 into the vein of the patient, the outer surface of the puncture needle 18 is sleeved with the indwelling needle body 12, after the puncture needle 18 enters the vein of the patient, brings the l indwelling needle body 12 into the vein, then threadedly connects the bottom of the infusion tube with the internal thread 16 arranged inside the connector 15, the bottom of the connector 15 is fixedly connected with the connecting hose 14 and is communicated with the inside of the indwelling needle seat 11 through the connecting hose 14 for conveying liquid medicine into the indwelling needle body 12, after the infusion tube is fixed, pulls the puncture needle 18 outwards through the puncture indwelling needle seat 17, extracts the puncture needle 18 from the inside of the l indwelling needle body 12, then threadedly and fixedly connected to the indwelling needle seat 11, which is far away from the indwelling needle body 12, seals the left side of, can carry out infusion work to the patient, the infusion is accomplished the back, aim at sealed bolt 20 and keep somewhere needle file 11, and with sealed bolt 20 of fixed connection on sealed base 19 insert keep somewhere needle file 11 inside, sealed base 19 is blocked through keeping somewhere needle file 11, because sealed bolt 20's length equals the length of keeping somewhere needle body 12, fill the space of keeping somewhere needle body 12 inside through sealed bolt 20, the problem of patient's blood backward flow and causing the inside needle tubing of keeping somewhere needle body 12 to block up has been avoided, it seals to keeping somewhere needle file 11 bottom through sealing device to have avoided traditional mode, patient's blood flows back easily and keeps somewhere needle body 12 inside, long-time back is keeping somewhere needle body 12 inside causing and is kept somewhere needle body 12 to block up, medical personnel need wash away through the washing mode and keep somewhere needle body 12, not only waste a large amount of time, and bring great painful problem for the patient.

Further, the indwelling needle holder 11 is of a circular tube-shaped structure, the interior of the indwelling needle holder 11 is hollow, and the inner diameter of the indwelling needle holder 11 is equal to the diameter of the right side of the puncture needle holder 17.

In the present embodiment, the interior of the indwelling needle holder 11 is hollow for mounting the puncture needle 18, and the inside diameter of the indwelling needle holder 11 is equal to the diameter of the right side of the puncture needle holder 17 so that the puncture needle holder 17 can be mounted inside the indwelling needle holder 11.

Furthermore, a handle 13 is arranged on one side of the indwelling needle seat 11 away from the connecting hose 14, the handle 13 is of an arc-shaped plate-shaped structure, an anti-slip groove is arranged on the outer surface of the handle 13, and the handle 13 is fixedly connected with the indwelling needle seat 11.

In this embodiment, the handle 13 is provided to facilitate the medical care personnel to insert the puncture needle 18 into the muscle and vein of the patient by holding the handle, and the handle 13 is provided with the anti-slip groove for increasing the friction force between the fingers of the medical care personnel and the handle 13 and avoiding the slipping phenomenon.

Further, the indwelling needle body 12 is a circular tubular structure, the inner diameter of the indwelling needle body 12 is equal to the diameter of the puncture needle 18, and the length of the puncture needle 18 is one millimeter longer than that of the indwelling needle body 12.

In this embodiment, the indwelling needle body 12 is arranged to be indwelling in the body of a patient for repeated use, avoiding the problem that the patient needs to prick the needle again for each infusion, which brings great pain to the patient, and the inner diameter of the indwelling needle body 12 is equal to the diameter of the puncture needle 18, which is convenient for placing the puncture needle 18 inside the indwelling needle body 12, puncturing the skin of the patient through the puncture needle 18, and bringing the indwelling needle body 12 into the inside of the vein of the patient.

Further, the joint 15 is communicated with the interior of the indwelling needle holder 11 through the connecting hose 14, and the interior of the joint 15 is provided with an internal thread 16 and is in threaded connection with the infusion tube through the internal thread 16.

In this embodiment, the connector 15 is provided for connecting with an infusion tube to introduce a medical fluid into the body of a patient, the connector 15 is internally provided with the female screw 16, so that the infusion tube is screwed with the connector 15 through the female screw 16, and the connection between the infusion tube and the connector 15 is more stable and firm by adopting a screwed connection mode.

Further, the puncture needle seat 17 is annularly sleeved on the outer surface of the indwelling needle body 12 and is fixedly connected with the outer wall of the indwelling needle body 12, and the outer diameter of the puncture needle seat 17 is larger than the diameter of the indwelling needle seat 11.

In this embodiment, the puncture needle holder 17 is provided to facilitate the medical staff to pull out the puncture needle 18 from the interior of the indwelling needle body 12, and the outer diameter of the puncture needle holder 17 is larger than the diameter of the indwelling needle holder 11, so that the indwelling needle holder 11 can be effectively sealed.

Further, the sealing plug 20 has a cylindrical structure, the top of the sealing plug 20 has a semicircular shape, and the length of the sealing plug 20 is equal to the length of the indwelling needle body 12.

In this embodiment, the sealing plug 20 is provided for sealing the inside of the indwelling needle body 12, so as to prevent the blood of the patient from flowing back into the indwelling needle body 12, to block the inside of the indwelling needle body 12, and to be washed by the liquid medicine when being reused, thereby increasing the workload of the medical care personnel and bringing great pain to the patient.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a needle device is kept somewhere in anti-return, is including keeping somewhere needle file (11), keeping somewhere needle body (12), coupling hose (14), joint (15), puncture needle file (17), pjncture needle (18), sealing base (19) and sealing bolt (20), its characterized in that: keep somewhere needle body (12) fixed connection in keep somewhere the top of needle file (11), coupling hose (14) fixed connection in keep somewhere the lateral wall of needle file (11), and with keep somewhere needle file (11) inside and be linked together, connect (15) fixed connection in coupling hose (14) top, puncture needle file (17) are located keep somewhere needle file (11) inside, and with keep somewhere needle file (11) and can dismantle the connection, pjncture needle (18) with puncture needle file (17) fixed connection, sealing base (19) joint in keep somewhere needle file (11) inside, sealing bolt (20) with the wherein one end fixed connection of sealing base (19).

2. The anti-reflux indwelling needle device according to claim 1, wherein: the indwelling needle seat (11) is of a circular tubular structure, the indwelling needle seat (11) is hollow, and the inner diameter of the indwelling needle seat (11) is equal to the diameter of the right side of the puncture needle seat (17).

3. The anti-reflux indwelling needle device according to claim 1, wherein: a handle (13) is arranged on one side of the indwelling needle seat (11) far away from the connecting hose (14), the handle (13) is of an arc-shaped plate-shaped structure, an anti-skid groove is formed in the outer surface of the handle (13), and the handle (13) is fixedly connected with the indwelling needle seat (11).

4. The anti-reflux indwelling needle device according to claim 1, wherein: the indwelling needle body (12) is of a circular tubular structure, the inner diameter of the indwelling needle body (12) is equal to the diameter of the puncture needle (18), and the length of the puncture needle (18) is one millimeter longer than that of the indwelling needle body (12).

5. The anti-reflux indwelling needle device according to claim 1, wherein: the joint (15) is communicated with the interior of the indwelling needle seat (11) through the connecting hose (14), and an internal thread (16) is arranged in the joint (15) and is in threaded connection with an infusion tube through the internal thread (16).

6. The anti-reflux indwelling needle device according to claim 1, wherein: the puncture needle seat (17) is a circular ring and is sleeved on the outer surface of the remaining needle body (12) and is fixedly connected with the outer wall of the remaining needle body (12), and the outer diameter of the puncture needle seat (17) is larger than the diameter of the remaining needle seat (11).

7. The anti-reflux indwelling needle device according to claim 1, wherein: the sealing bolt (20) is of a cylindrical structure, the top of the sealing bolt (20) is semicircular, and the length of the sealing bolt (20) is equal to that of the indwelling needle body (12).