CN213219801U

CN213219801U - Improved dialysis puncture needle

Info

Publication number: CN213219801U
Application number: CN202021541625.6U
Authority: CN
Inventors: 陶钧成; 唐利群; 邹兆华; 张真
Original assignee: Peoples Hospital of Deyang City
Current assignee: Peoples Hospital of Deyang City
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-18
Anticipated expiration: 2030-07-29

Abstract

The utility model provides an improved dialysis puncture needle, which belongs to the technical field of dialysis puncture needles. The improved dialysis puncture needle comprises a needle head, a needle cylinder, a transfusion tube and a branch tube. The needle cylinder is fixedly communicated with one end of the needle head, the infusion tube is fixedly sleeved with a first flow stopping clamp, the branch tube is fixedly communicated with the infusion tube, and the branch tube is fixedly sleeved with a second flow stopping clamp. During the use, the needle wing is handed to medical personnel, puncture patient's blood vessel through the syringe needle, blood flows in to the transfer line through the cylinder, first only flow presss from both sides and adjusts, when taking place back the blood, through the external water for injection of branch pipe intercommunication, increase the inside pressure of transfer line, make back the blood disappearance, this dialysis pjncture needle is through setting up the branch pipe, the external water for injection of intercommunication, increase the inside pressure of transfer line, make transfer line internal pressure be greater than internal fistula pressure, carry out the back blood, reduce medical personnel and pull out pjncture needle back blood number of times, reduce the risk that medical personnel's occupation exposes simultaneously.

Description

Improved dialysis puncture needle

Technical Field

The utility model relates to a dialysis pjncture needle technical field particularly, relates to an improved generation dialysis pjncture needle.

Background

Hemodialysis is one of the kidney replacement treatment modes of patients with acute and chronic renal failure. The blood is drained to the outside of the body, and the blood and electrolyte solution with similar body concentration are arranged inside and outside one hollow fiber in a dialyzer consisting of a plurality of hollow fibers, and the substance exchange is carried out by the principles of dispersion, ultrafiltration, adsorption and convection, thereby removing the metabolic waste in the body, maintaining the balance of electrolyte and acid-base, simultaneously removing excessive water in the body, and returning the purified blood. The dialysis puncture needle is a puncture needle which is specially used for dialysis of internal fistula patients of hemodialysis patients.

At present, the palirrhea condition of blood can appear when internal fistula pressure is big in current dialysis pjncture needle after the needle is advanced, needs medical personnel to pull out the pjncture needle this moment and returns the blood, and medical personnel exposes at the easy occupation of this in-process medical personnel, and the syringe needle punctures the operator and takes place the infection, endangers medical personnel life and health.

SUMMERY OF THE UTILITY MODEL

In order to make up for above not enough, the utility model provides an improved generation dialysis pjncture needle aims at improving the problem that medical personnel pulled out the operation of needle and returned blood and increase occupational exposure risk.

The utility model discloses a realize like this:

the utility model provides an improved dialysis puncture needle, which comprises a needle head, a needle cylinder, a transfusion tube and a branch tube.

The syringe intercommunication is fixed in syringe needle one end, syringe fixedly connected with needle wing, transfer line one end intercommunication is fixed in syringe needle one end, the transfer line cup joints and is fixed with first only to flow and presss from both sides, the branch pipe intercommunication is fixed in the transfer line, the branch pipe cup joints and is fixed with the second and only flows to press from both sides.

In an embodiment of the present invention, a needle cap is sleeved on the outer surface of the needle head, and the needle cap corresponds to the needle head.

In an embodiment of the present invention, the needle wing is provided with two needle wings, and both sides of the needle wing are arc edges.

In an embodiment of the present invention, the two sides of the needle wing are provided with anti-slip lines, and the anti-slip lines are uniformly arranged.

In an embodiment of the present invention, an elastic pad is fixedly connected to one side of the needle wing, and an air bag is fixedly connected to one side of the elastic pad.

In an embodiment of the present invention, the air cells are uniformly distributed on one side of the elastic pad, and the air cells are made of plastic.

In an embodiment of the present invention, the air bag is fixedly connected to the needle wing periphery side, and the air bag is disposed around the elastic pad.

In an embodiment of the present invention, the other end of the infusion tube is connected and fixed with a main joint, and the other end of the branch tube is connected and fixed with an auxiliary joint.

In an embodiment of the present invention, the fixing band is fixedly connected to both sides of the needle wing, and the adhesive sticker is disposed on the bottom of both sides of the fixing band.

In an embodiment of the present invention, the adhesive sticker adhesion is connected to a base paper, and the fixing band adhesion is connected to the base paper.

The utility model has the advantages that: the utility model discloses an improved generation dialysis pjncture needle that above-mentioned design obtained, during the use, the needle wing is handed to medical personnel, puncture patient's blood vessel through the syringe needle, blood flows into to the transfer line in through the cylinder, first only flow presss from both sides and adjusts, when taking place back the blood, through the external water for injection of branch pipe intercommunication, increase the inside pressure of transfer line, make the blood that returns disappear, this dialysis pjncture needle is through setting up the branch pipe, the external water for injection of intercommunication, increase the inside pressure of transfer line, make transfer line internal pressure be greater than internal fistula pressure, carry out the blood return, reduce medical personnel and pull out pjncture needle blood return number of times, reduce medical personnel occupational risk of exposing simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of an improved dialysis needle according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a first viewing angle of the needle wing according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the infusion tube and branch tube according to the embodiment of the present invention;

fig. 4 is a schematic structural view of a second viewing angle of the needle wing according to the embodiment of the present invention.

In the figure: 100-needle head; 110-a needle cap; 200-syringe; 210-a needle wing; 211-non-skid lines; 213-an elastic pad; 215-an air bag; 216-securing straps; 217-adhesive sticker; 218-base paper; 300-an infusion tube; 310-a first flow stop clip; 330-main joint; 500-branch pipes; 510-a second flow stop clip; 530-secondary connection.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an improved dialysis puncture needle comprises a needle head 100, a syringe 200, a transfusion tube 300 and a branch tube 500.

The needle 100 is fixed at one end of the syringe 200 in a communicating manner, the syringe 200 is fixed at one end of the infusion tube 300 in a communicating manner, the branch tube 500 is fixed at one side of the infusion tube 300 in a communicating manner, the needle 100 is used for puncturing the skin of a patient to lead out blood, and the branch tube 500 is used for communicating external injection water to prevent blood return.

Referring to fig. 1, a needle cap 110 is sleeved on an outer surface of a needle 100, the needle cap 110 is disposed corresponding to the needle 100, a cross section of the needle cap 110 is trapezoidal, so that the needle 100 is conveniently inserted and fixed to the needle cap 110, and the length of the needle cap 110 is greater than that of the needle 100, so that a patient or a medical worker is prevented from being pricked, and the medical worker can conveniently operate.

Referring to fig. 1 and 4, a needle cylinder 200 is fixedly connected to one end of a needle 100, the needle cylinder 200 is fixedly connected with two needle wings 210, the needle wings 210 and the needle cylinder 200 are integrally formed, so that a medical worker can conveniently and manually operate the needle cylinder 200, and inconvenience in fixing the needle cylinder 200 is avoided, the two needle wings 210 are provided, so that the needle 100 can be conveniently and balancedly fixed to the arm of a patient, both sides of the needle wings 210 are provided with arc edges to prevent the patient or the medical worker from being injured, both sides of the needle wings 210 are provided with anti-slip patterns 211, the anti-slip patterns 211 and the needle wings 210 are integrally formed to facilitate the medical worker to hold and fix the needle cylinder by hand, the anti-slip patterns 211 are uniformly arranged, one side of the needle wings 210 is fixedly connected with an elastic pad 213, the elastic pad 213 is adhesively fixed to one side of the needle wings 210, the elastic pad 213 is, meanwhile, the using comfort of a patient is improved, the air bags 215 are uniformly distributed on one side of the elastic cushion 213, the air bags 215 are made of plastic materials, medical staff adjust the fixing height of the needle 100 by manually pinching and exploding the air bags 215 to facilitate operation, the air bags 215 are fixedly connected to the peripheral sides of the needle wings 210, the air bags 215 are fixedly adhered to the peripheral sides of the needle wings 210 to facilitate the fixing of the needle 100, the air bags 215 are arranged around the elastic cushion 213 to heighten the fixed needle 100 through the air bags 215 and the elastic cushion 213, the air bags 215 avoid the blockage of blood circulation, fixing belts 216 are fixedly connected to the two sides of the needle wings 210, the fixing belts 216 are adhered to the two sides of the needle wings 210 and used for fixing the needle wings 210, adhesive tapes 217 are arranged at the bottoms of the two sides of the fixing belts 216, the fixing belts 216 are adhered to the skin of the, the backing paper 218 is peeled off for fixing as needed, and the fixing tape 216 is adhesively attached to the backing paper 218.

Referring to fig. 1 and fig. 3, one end of the infusion tube 300 is fixed to one end of the syringe 200 in a communicating manner, the infusion tube 300 is fixedly sleeved with a first flow stopping clip 310, the first flow stopping clip 310 is used for adjusting the liquid flow inside the infusion tube 300, the other end of the infusion tube 300 is fixedly connected with a main joint 330 in a communicating manner, and the main joint 330 is used for connecting external equipment.

Referring to fig. 1 and 3, the branch tube 500 is connected and fixed to the infusion tube 300, the branch tube 500 is used for increasing the internal pressure of the infusion tube 300 to be greater than the internal fistula pressure to prevent blood from flowing back, the second flow stopping clamp 510 is fixedly connected to the branch tube 500 in a sleeved manner, the other end of the branch tube 500 is fixedly connected to the auxiliary joint 530 in a connected manner, and the auxiliary joint 530 is used for connecting external equipment.

Specifically, the working principle of the improved dialysis puncture needle is as follows: when the medical needle device works, the needle cap 110 is taken off from the outside of the needle head 100, the cross section of the needle cap 110 is trapezoidal, the needle head 100 is conveniently inserted and fixed on the needle cap 110, the length of the needle cap 110 is greater than that of the needle head 100, a patient or medical staff is prevented from being pricked, the medical staff is convenient to operate, the medical staff holds the needle wing 210, the needle wing 210 and the needle cylinder 200 are integrally formed, the medical staff is convenient to manually operate, the medical staff can conveniently and manually operate, the needle wing 200 is prevented from being fixed inconveniently, the two sides of the needle wing 210 are provided with the anti-slip lines 211, the anti-slip lines 211 and the needle wing 210 are integrally formed, the medical staff can conveniently hold and fix the needle, blood punctures the blood vessel of the patient through the needle head 100, the blood flows into the infusion tube 300 through the needle cylinder 200, one side of the needle wing 210 is provided with the elastic pad 213, the elastic pad 213 is prevented from being fixed, meanwhile, the air bag 215 avoids the blockage of blood circulation, the fixing band 216 is adhered and fixed on the skin of a patient through the adhesive sticker 217, the operation of medical personnel is facilitated, the first flow stopping clamp 310 is used for adjusting, when blood return occurs, the branch pipe 500 is used for communicating external injection water, the internal pressure of the infusion tube 300 is increased, the internal pressure of the infusion tube is larger than the internal fistula pressure, and the blood return is prevented.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An improved dialysis puncture needle is characterized by comprising

A needle (100);

the needle cylinder (200), the needle cylinder (200) is fixedly communicated with one end of the needle head (100), and the needle cylinder (200) is fixedly connected with a needle wing (210);

one end of the infusion tube (300) is communicated and fixed at one end of the needle cylinder (200), and the infusion tube (300) is fixedly sleeved with a first flow stopping clamp (310);

the branch pipe (500), the branch pipe (500) intercommunication is fixed in transfer line (300), branch pipe (500) cup joint is fixed with second flow stopping and presss from both sides (510).

2. An improved dialysis puncture needle according to claim 1, characterized in that a needle cap (110) is sleeved on the outer surface of the needle head (100), and the needle cap (110) is arranged corresponding to the needle head (100).

3. The improved dialysis needle as claimed in claim 1, wherein there are two said wings (210), and both sides of said wings (210) are circular arc edges.

4. An improved dialysis puncture needle according to claim 3, characterized in that the needle wing (210) is provided with anti-slip lines (211) on both sides, and the anti-slip lines (211) are uniformly arranged.

5. The improved dialysis puncture needle according to claim 1, wherein an elastic pad (213) is fixedly connected to one side of the needle wing (210), and a balloon (215) is fixedly connected to one side of the elastic pad (213).

6. The improved dialysis needle as claimed in claim 5, wherein said balloon (215) is uniformly distributed on one side of said elastic pad (213), and said balloon (215) is made of plastic material.

7. The improved dialysis needle according to claim 6, wherein the balloon (215) is fixedly connected to the periphery of the needle wing (210), and the balloon (215) is disposed around the elastic pad (213).

8. An improved dialysis puncture needle according to claim 1, characterized in that the other end of the infusion tube (300) is connected and fixed with a main joint (330), and the other end of the branch tube (500) is connected and fixed with a secondary joint (530).

9. An improved dialysis puncture needle according to claim 1, characterized in that fixing bands (216) are fixedly connected to both sides of the needle wing (210), and adhesive stickers (217) are arranged at the bottoms of both sides of the fixing bands (216).

10. An improved dialysis puncture needle according to claim 9, wherein the adhesive sticker (217) is adhesively attached with a base paper (218), and the fixing band (216) is adhesively attached with the base paper (218).