CN215134823U

CN215134823U - Remaining needle device for preventing blood return

Info

Publication number: CN215134823U
Application number: CN202023193923.3U
Authority: CN
Inventors: 赵婕
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-12-14
Anticipated expiration: 2030-12-27

Abstract

The utility model discloses a prevent remaining needle device of blood return, including connecting the tee bend, connect tee bend one end fixedly connected with button head pipe, connect tee bend bottom fixedly connected with fixed sticky tape, peg graft in the inside of button head pipe and have solid syringe needle, the one end fixedly connected with handle of solid syringe needle, connect the tee bend other end and seted up the mounting hole, the inner wall threaded connection of mounting hole has sealed piece, connect tee bend one side fixedly connected with extension pipe. This prevent blood return keep somewhere needle device through the setting of button head pipe, can make the device exist the patient's blood vessel better in, prevent that the device activity from leading to the patient painful, through the device itself from the setting of taking fixed sticky tape, can make things convenient for the device to fix on patient's the back of the hand, through the setting of mounting hole and sealed piece, can make the device when not using, will connect the tee bend and block up, prevent that its blood return from increasing work load for operating personnel.

Description

Remaining needle device for preventing blood return

Technical Field

The utility model relates to the technical field of medical infusion tools, in particular to an indwelling needle device for preventing blood return.

Background

An arteriovenous indwelling needle is a medical apparatus used for arteriovenous indwelling transfusion, after the transfusion is finished, the indwelling needle is indwelling in the blood vessel of a patient to be reserved as a next transfusion channel, the use of the indwelling needle at present can reduce the pain and the fear of needle hitting of the patient caused by repeated venipuncture, the anxiety mood of the patient is relieved, the clinical medication is convenient, the emergency medication of the patient is urgently serious, the workload of nurses is relieved, and the pain of the patient is reduced, so the indwelling needle is widely applied clinically, but a part of patients are easy to generate the phenomenon of blood return when using the indwelling needle, the reason of the blood return phenomenon is various, after the blood return is generated, the additional workload can be increased for medical staff, the panic psychology of the patient can be generated, the recovery of the patient is not facilitated, and a part of extension tubes in the traditional indwelling needle are longer, when the patient moves, the patient often collides with an object to drive the indwelling needle in the body to move, and certain pain is caused to the patient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a prevent back blood keep somewhere needle device has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a prevent back blood's needle device that keeps somewhere, is including connecting the tee bend, connect tee bend one end fixedly connected with button head pipe, connect tee bend bottom fixedly connected with fixed sticky tape, the inside of button head pipe is pegged graft and is had solid syringe needle, the one end fixedly connected with handle of solid syringe needle, connect the tee bend other end and seted up the mounting hole, the inner wall threaded connection of mounting hole has sealed piece, connect tee bend one side fixedly connected with extension pipe, the surperficial swing joint of extension pipe has two-sided clamp, the fixed hard tube of the one end fixedly connected with of extension pipe, the one end fixedly connected with of fixed hard tube seals the soft piece, the delivery outlet has been seted up on the surface of button head pipe.

Optionally, the lower surface of the fixing adhesive tape is bonded with a protective sticker, and the connecting tee joint is in a semicircular shape.

Optionally, the surfaces of the operating handle and the sealing block are both provided with anti-slip lines, and the sealing soft block is made of rubber.

Optionally, the number of the output holes is several, and the several output holes are distributed on the surface of the round-head catheter in the form of an annular array.

Optionally, the outer surface swing joint of button head pipe has the protective sheath, the material of protective sheath is the transparent plastic material.

(III) advantageous effects

The utility model provides a prevent back blood's needle device that keeps somewhere possesses following beneficial effect:

1. this prevent blood return keep somewhere needle device through the setting of button head pipe, can make the device exist the patient's blood vessel better in, prevent that the device activity from leading to the patient painful, through the device itself from the setting of taking fixed sticky tape, can make things convenient for the device to fix on patient's the back of the hand, through the setting of mounting hole and sealed piece, can make the device when not using, will connect the tee bend and block up, prevent that its blood return from increasing work load for operating personnel.

2. This prevent blood return keep somewhere needle device through the setting of two-sided clamp, can make the extension pipe winding in patient's wrist department, prevents that it from scattering, on colliding other object, brings the misery for the patient, through the setting of sealing the soft piece, can make things convenient for operating personnel to infuse with transfusion needle disect insertion, makes things convenient for operating personnel to infuse.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the solid needle of the present invention;

FIG. 5 is a schematic view of the structure of the mounting hole of the present invention;

fig. 6 is a schematic view of the cross-section structure of the connecting tee of the present invention.

In the figure: 1. connecting a tee joint; 2. a rounded-head catheter; 3. fixing the adhesive tape; 4. a solid needle; 5. an operating handle; 6. mounting holes; 7. a sealing block; 8. an extension tube; 9. double-sided clamping; 10. sealing the soft block; 11. an output aperture; 12. a protection sticker; 13. a protective sleeve; 14. and (5) fixing the hard tube.

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 to 6, the present invention provides a technical solution: an indwelling needle device for preventing blood return comprises a connecting tee joint 1, one end of the connecting tee joint 1 is fixedly connected with a round-head catheter 2, the bottom of the connecting tee joint 1 is fixedly connected with a fixing adhesive tape 3, a solid needle 4 is inserted into the round-head catheter 2, one end of the solid needle 4 is fixedly connected with an operating handle 5, the other end of the connecting tee joint 1 is provided with a mounting hole 6, the inner wall of the mounting hole 6 is in threaded connection with a sealing block 7, one side of the connecting tee joint 1 is fixedly connected with an extension tube 8, the surface of the extension tube 8 is movably connected with a double-sided clamp 9, one end of the extension tube 8 is fixedly connected with a fixed hard tube 14, one end of the fixed hard tube 14 is fixedly connected with a sealing soft block 10, through the arrangement of the sealing soft block 10, an operator can conveniently insert a transfusion needle directly, the operator can conveniently transfuse transfusion, and the surface of the round-head catheter 2 is provided with an output hole 11;

in order to improve the comfort of the device, the device can better exist in the blood vessel of a patient through the arrangement of the round-head catheter 2, and the pain of the patient caused by the movement of the device is prevented, in order to facilitate the fixation of the device by an operator, the device can be conveniently fixed on the back of the hand of the patient through the arrangement of the self-provided fixing adhesive tape 3, in order to prevent the blood return of the device and influence the mood of the patient, the device can plug the connecting tee joint 1 when not in use through the arrangement of the mounting hole 6 and the sealing block 7, and can prevent the blood return of the connecting tee joint from being realized, and can also prevent the workload from being increased for the operator, in order to prevent the extension pipe 8 from scattering and colliding other objects and causing pain to the patient, through the arrangement of the double-sided clamp 9, the extension pipe 8 can be wound on the wrist of the patient;

the lower surface of fixed sticky tape 3 bonds and has protection sticker 12, protect the face of being stained with of fixed sticky tape 3, the shape of connecting tee bend 1 is the semicircle form, make its back of the hand of can laminating through the semicircle form, it is fixed to make things convenient for fixed sticky tape 3, the surface of handle 5 and sealed piece 7 all is provided with anti-skidding line, the material of sealing soft block 10 is the rubber material, the quantity of delivery outlet 11 is a plurality of, a plurality of delivery outlet 11 is the form distribution of annular array on the surface of button head pipe 2, the surface swing joint of button head pipe 2 has protective sheath 13, the material of protective sheath is the transparent plastic material.

The utility model discloses in, the device's working procedure as follows:

1. firstly, taking down the protective sleeve 13, enabling an operator to pinch the operating handle 5 by hand, enabling the solid needle 4 to pierce the blood vessel of the patient with the round-head catheter 2, then taking out the solid needle 4 in the round-head catheter 2, and blocking the mounting hole 6 by using the sealing block 7;

2. the protective paster 12 on the fixed adhesive tape 3 is torn off, the position of the tee joint 1 is fixedly connected through the fixed adhesive tape 3, and the protective paster is directly inserted into the closed soft block 10 at one end of the fixed hard tube 14 through the transfusion needle;

3. thus, the infusion water can enter the fixed hard tube 14 through the infusion needle, flow through the extension tube 8 and the connecting tee 1, enter the blood vessel of the patient from the output hole 11 on the surface of the round-head catheter 2 and infuse the patient;

4. after the transfusion is finished, the transfusion needle is directly pulled out, the sealing block 7 is rotated to be inserted into the mounting hole 6 to block the connecting tee joint 1 to prevent blood return, so that the condition that the blood flows back into the extension tube 8 is avoided, and the device effectively prevents the blood return.

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 prevent back blood's needle device that keeps somewhere, is including connecting tee bend (1), its characterized in that: one end of the connecting tee joint (1) is fixedly connected with a round-head conduit (2), the bottom of the connecting tee joint (1) is fixedly connected with a fixing adhesive tape (3), a solid needle (4) is inserted into the round-head catheter (2), one end of the solid needle (4) is fixedly connected with an operating handle (5), the other end of the connecting tee joint (1) is provided with a mounting hole (6), the inner wall of the mounting hole (6) is connected with a sealing block (7) in a threaded manner, one side of the connecting tee joint (1) is fixedly connected with an extension pipe (8), the surface of the extension pipe (8) is movably connected with a double-sided clamp (9), the one end fixedly connected with fixed hard tube (14) of extension pipe (8), the one end fixedly connected with of fixed hard tube (14) seals soft piece (10), delivery outlet (11) have been seted up on the surface of button head pipe (2).

2. The indwelling needle device for preventing blood return according to claim 1, wherein: the lower surface of the fixing adhesive tape (3) is bonded with a protective paster (12), and the connecting tee joint (1) is in a semicircular shape.

3. The indwelling needle device for preventing blood return according to claim 1, wherein: the surface of the operating handle (5) and the surface of the sealing block (7) are both provided with anti-slip lines, and the sealing soft block (10) is made of rubber.

4. The indwelling needle device for preventing blood return according to claim 1, wherein: the number of the output holes (11) is a plurality, and the output holes (11) are distributed on the surface of the round-head conduit (2) in an annular array mode.

5. The indwelling needle device for preventing blood return according to claim 1, wherein: the outer surface swing joint of button head pipe (2) has protective sheath (13), the material of protective sheath is the transparent plastic material.