CN215309167U

CN215309167U - Anti-bending anti-blocking remaining needle

Info

Publication number: CN215309167U
Application number: CN202121259757.4U
Authority: CN
Inventors: 刘嶺俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-28
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses an anti-bending and anti-blocking remaining needle, and relates to the technical field of medical instruments. The utility model comprises an indwelling needle tube body, a puncture needle seat, an infusion catheter, an infusion tee joint, a movable plug component and an anti-bending component. Aiming at the problem that the existing non-return clamp of the indwelling needle clamps the infusion catheter, the blockage caused by blood return is easy to occur, the indwelling needle tube body, the puncture needle seat, the infusion catheter, the infusion tee joint and the movable plug assembly are arranged, and the infusion catheter is clamped by the non-return clamp instead of the non-return clamp by pushing the movable rod and using a method that the connecting part of the liquid inlet tube and the indwelling needle tube body is plugged by the sealing plug body, so that the blood is prevented from flowing back to the infusion catheter, and the formation of thrombus or blockage is avoided.

Description

Anti-bending anti-blocking remaining needle

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to an anti-bending and anti-blocking indwelling needle.

Background

The indwelling needle is a common medical appliance in nursing work, has convenient use and the function of reducing the puncture number to a patient, thereby reducing repeated puncture during clinical transfusion, and reducing the puncture pain of the patient and the workload of clinical nursing staff, thereby being widely applied in the current clinic.

The needle is kept somewhere to current, when using, the infusion pipe that is close to the infusion position is very easily buckled, cause the infusion not smooth, often need artificial adjustment, and the vein is kept somewhere the needle when the infusion of suspension that relapses, it presss from both sides the infusion pipe through the non return usually, it is long-lasting, the infusion pipe can cause the unable resilience of deformation or resilience is slower, lead to unable timely infusion, and because the elastic action of plastics when pressing from both sides tightly, produce the negative pressure in the pipe with sick body contact position, thereby lead to keeping somewhere the pipe in the human body and produce the return blood, blood flows back to in the infusion pipe, and then blood produces the blood coagulation in the infusion pipe, form thrombus or jam.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-bending and anti-blocking indwelling needle, which solves the problem that the infusion catheter close to the infusion position is easy to bend in the existing indwelling needle by arranging an indwelling needle tube body, a puncture needle seat, an infusion catheter, an infusion tee joint, a movable plug assembly and an anti-bending assembly; the blockage in the transfusion catheter is caused.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an anti-bending and anti-blocking indwelling needle, which comprises an indwelling needle tube body, a puncture needle seat, an infusion catheter, an infusion tee joint, a movable plug assembly and an anti-bending assembly, wherein the puncture needle seat is arranged on the indwelling needle tube body; the indwelling needle tube body is sleeved on the puncture needle; an indwelling catheter is arranged at the front end of the indwelling needle tube body; a liquid inlet pipe and a first branch pipe are arranged on the side surface of the indwelling needle pipe body; the liquid inlet pipe is connected with one end of the infusion catheter; the other end of the infusion catheter is connected with an infusion tee; a first isolating plug is fixedly arranged inside the indwelling needle tube body; a second isolating plug is fixedly arranged in the first branch pipe; one end of the puncture needle is fixedly connected with the puncture needle seat; a guide handle is arranged on the puncture needle base; the puncture needle seat is in clamping fit with the rear end of the indwelling needle tube body; the movable plug assembly comprises a movable rod, a sealing plug body and a control seat; the movable rod penetrates through the second isolating plug; one end of the movable rod is fixedly connected with the sealing plug body; the other end of the movable rod is fixedly connected with the control seat; the anti-bending component comprises a clamping seat, a first spring and a moving block; the clamping seat is connected with the moving block through a first spring; the clamping seat is clamped and fixed on the pipe orifice of the liquid inlet pipe; the first spring is sleeved on the infusion catheter; the infusion catheter penetrates through the moving block.

Furthermore, the pipe diameter of the first branch pipe is consistent with that of the liquid inlet pipe; the central line of the first branch pipe and the central line of the liquid inlet pipe are on the same straight line.

Furthermore, the first isolating plug, the second isolating plug and the sealing plug body are all made of rubber materials.

Further, the shape of the sealing plug body is round table shape.

Furthermore, the indwelling needle tube body is made of transparent materials.

The utility model has the following beneficial effects:

1. aiming at the problem that the existing non-return clamp of the indwelling needle clamps the infusion catheter, the blockage caused by blood return is easy to occur, the indwelling needle tube body, the puncture needle seat, the infusion catheter, the infusion tee joint and the movable plug assembly are arranged, and the infusion catheter is clamped by the non-return clamp instead of the non-return clamp by pushing the movable rod and using a method that the connecting part of the liquid inlet tube and the indwelling needle tube body is plugged by the sealing plug body, so that the blood is prevented from flowing back to the infusion catheter, and the formation of thrombus or blockage is avoided.

2. Aiming at the problem that the infusion catheter close to the infusion position is easy to bend and unsmooth infusion is caused when the existing indwelling needle is used, the anti-bending component is arranged, and the first spring is sleeved on the infusion catheter, so that the infusion catheter is protected, and the infusion catheter is prevented from being bent.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an anti-bending and anti-clogging indwelling needle according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-indwelling needle tube body, 2-puncture needle, 3-puncture needle seat, 4-first isolating plug, 5-second isolating plug, 6-sealing plug body, 7-movable rod, 8-control seat, 9-infusion catheter, 10-infusion tee joint, 11-clamping seat, 12-first spring, 13-movable block, 14-antibacterial cap, 15-heparin cap, 101-indwelling catheter, 102-liquid inlet tube, 103-first branch tube and 301-guiding handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "front end", "side", "one end", "the other end", etc., indicate an orientation or positional relationship only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, the utility model is an anti-bending and anti-clogging indwelling needle, comprising an indwelling needle tube body 1, a puncture needle 2, a puncture needle seat 3, an infusion catheter 9, an infusion tee 10, a movable plug assembly and an anti-bending assembly; the indwelling needle tube body 1 is sleeved on the puncture needle 2; the indwelling needle tube body 1 is made of transparent material; an indwelling catheter 101 is arranged at the front end of the indwelling needle tube body 1; the side surface of the indwelling needle tube body 1 is provided with a liquid inlet tube 102 and a first branch tube 103; the pipe diameter of the first branch pipe 103 is consistent with the pipe diameter of the liquid inlet pipe 102; the central line of the first branch pipe 103 and the central line of the liquid inlet pipe 102 are on the same straight line; the liquid inlet pipe 102 is connected with one end of the transfusion conduit 9; the other end of the transfusion conduit 9 is connected with a transfusion tee 10; a first isolating plug 4 is fixedly arranged inside the indwelling needle tube body 1; a second isolating plug 5 is fixedly arranged in the first branch pipe 103; the first isolating plug 4, the second isolating plug 5 and the sealing plug body 6 are all made of rubber materials; one end of the puncture needle 2 is fixedly connected with the puncture needle base 3; a guide handle 301 is arranged on the puncture needle base 3; the puncture needle base 3 is in clamping fit with the rear end of the indwelling needle tube body 1; the movable plug assembly comprises a movable rod 7, a sealing plug body 6 and a control seat 8; the movable rod 7 penetrates through the second isolating plug 5; one end of the movable rod 7 is fixedly connected with the sealing plug body 6; the sealing plug body 6 is in a circular truncated cone shape; the other end of the movable rod 7 is fixedly connected with the control seat 8; the anti-bending component comprises a clamping seat 11, a first spring 12 and a moving block 13; the clamping seat 11 is connected with the moving block 13 through a first spring 12; the clamping seat 11 is clamped and fixed on the pipe orifice of the liquid inlet pipe 102; the first spring 12 is sleeved on the infusion catheter 9; the infusion catheter 9 passes through the moving block 13.

One specific application of this embodiment is:

when transfusion is required to be suspended, a finger presses the control seat 8 downwards to push the sealing plug body 6 to move until the sealing plug body 6 completely plugs the communication part between the liquid inlet pipe 102 and the indwelling needle tube body 1, so that blood is prevented from flowing back to the transfusion catheter 9, and thrombosis or blockage is avoided; when the transfusion is needed to be continued, the control seat 8 is pulled outwards, and the sealing plug body 6 is moved out of the communication position of the liquid inlet pipe 102 and the indwelling needle pipe body 1, so that the transfusion is continued;

the first spring 12 is sleeved on the infusion catheter 9, so that the infusion catheter 9 is protected, the infusion catheter 9 is prevented from being bent, and unsmooth infusion is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An anti-bending and anti-blocking indwelling needle comprises an indwelling needle tube body (1), a puncture needle (2), a puncture needle seat (3), an infusion catheter (9), an infusion tee joint (10), a movable plug assembly and an anti-bending assembly;

the method is characterized in that:

the indwelling needle tube body (1) is sleeved on the puncture needle (2); an indwelling catheter (101) is arranged at the front end of the indwelling needle tube body (1); a liquid inlet pipe (102) and a first branch pipe (103) are arranged on the side surface of the indwelling needle pipe body (1); the liquid inlet pipe (102) is connected with one end of the transfusion conduit (9); the other end of the infusion catheter (9) is connected with an infusion tee joint (10); a first isolating plug (4) is fixedly arranged in the indwelling needle tube body (1); a second isolating plug (5) is fixedly arranged in the first branch pipe (103); one end of the puncture needle (2) is fixedly connected with the puncture needle seat (3); a guide handle (301) is arranged on the puncture needle base (3); the puncture needle seat (3) is in clamping fit with the rear end of the indwelling needle tube body (1);

the movable plug assembly comprises a movable rod (7), a sealing plug body (6) and a control seat (8); the movable rod (7) penetrates through the second isolating plug (5); one end of the movable rod (7) is fixedly connected with the sealing plug body (6); the other end of the movable rod (7) is fixedly connected with the control seat (8);

the anti-bending assembly comprises a clamping seat (11), a first spring (12) and a moving block (13); the clamping seat (11) is connected with the moving block (13) through a first spring (12); the clamping seat (11) is clamped and fixed on the pipe orifice of the liquid inlet pipe (102); the first spring (12) is sleeved on the infusion catheter (9); the infusion catheter (9) penetrates through the moving block (13).

2. The anti-bending and anti-clogging remaining needle as claimed in claim 1, wherein the diameter of the first branch tube (103) is consistent with the diameter of the liquid inlet tube (102); the central line of the first branch pipe (103) and the central line of the liquid inlet pipe (102) are on the same straight line.

3. The anti-bending and anti-clogging indwelling needle according to claim 1 or 2, wherein the first isolating plug (4), the second isolating plug (5) and the sealing plug body (6) are made of rubber.

4. The anti-bending and anti-clogging indwelling needle according to claim 3, wherein the sealing plug body (6) is in the shape of a truncated cone.

5. The anti-bending and anti-clogging indwelling needle according to claim 1, 2 or 4, wherein the indwelling needle body (1) is made of transparent material.