CN213158275U

CN213158275U - Multifunctional internal fistula puncture needle

Info

Publication number: CN213158275U
Application number: CN202021001450.XU
Authority: CN
Inventors: 何丽君; 张守华; 程铭
Original assignee: Henan Provincial Peoples Hospital
Current assignee: Henan Provincial Peoples Hospital
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-05-11
Anticipated expiration: 2030-06-04

Abstract

A multifunctional internal fistula puncture needle, which effectively solves the problems that the internal fistula puncture needle in the prior art has single function and is inconvenient to use and the pain of a patient is increased; the device comprises a guide pipe in the left and right directions, wherein a puncture needle is arranged at the left end of the guide pipe, a dialysis pipe is arranged at the right end of the guide pipe, the lower side of the guide pipe is connected with a connecting pipe in the left and right axial directions through a hose, a plurality of rubber plugs which are uniformly distributed in the left and right directions are coaxially arranged in the connecting pipe, a liquid guide needle which can penetrate through the rubber plugs is detachably connected at the right end of the connecting pipe, a liquid guide pipe is arranged at the right end of the liquid guide needle, a rectangular shell with a forward opening is slidably connected to the outer side of the liquid guide pipe; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Description

Multifunctional internal fistula puncture needle

Technical Field

The utility model relates to the technical field of hemodialysis auxiliary instruments, in particular to a multifunctional internal fistula puncture needle.

Background

The arteriovenous internal fistula is mainly used for hemodialysis treatment, an artery close to a wrist part on an arm and an adjacent vein are sutured, so that arterial blood flows in the anastomosed vein to form the arteriovenous internal fistula, the blood in the artery flows into a hemodialysis instrument through an internal fistula puncture needle during hemodialysis, and the hemodialysis instrument filters the blood and then returns to a vein through the internal fistula puncture needle to achieve the purpose of blood purification.

Hemodialysis has certain treatment risk, especially to state of an illness critical patient or old patient, can carry out the vein because of treatment needs or proruption disease at the in-process of dialysis treatment and push, medical operations such as venous transfusion treatment and vein bloodletting, but current internal fistula pjncture needle function singleness, only a port of being connected with hemodialysis appearance, do not possess the function of vein treatment, consequently medical personnel can only puncture once more to the patient and carry out vein injection during hemodialysis, operations such as bloodletting, the misery of patient puncture has been increased, medical personnel's the work degree of difficulty has also been increaseed simultaneously.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the utility model aims to provide a multifunctional internal fistula puncture needle, which effectively solves the problems that the internal fistula puncture needle in the prior art has single function and is inconvenient to use and increases the pain of patients.

The technical scheme of its solution is, the utility model discloses a direction's pipe about, the pipe left end is equipped with the pjncture needle, the pipe right-hand member is equipped with the dialysis tube, axial connecting pipe about the pipe downside has through hose connection, the coaxial rubber buffer that is equipped with a plurality of directions equipartitions about along in the connecting pipe, the connecting pipe right-hand member is dismantled and is connected with the drain needle that can run through the rubber buffer, drain needle right-hand member is equipped with the catheter, catheter outside sliding connection has the rectangle shell that the opening is preceding, it has the briquetting that can extrude the catheter to articulate in the rectangle shell, the catheter left end is equipped with the transfusion cavity, transfusion.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the hose in the pipe below, utilize connecting pipe and rubber buffer cooperation simultaneously, in order to deal with the venous blood sampling that the patient carried out because of burst disease or treatment needs during the dialysis, operation such as treatment, avoid repeated puncture to bring the misery for the patient, through heparin cap and catheter cooperation, utilize the closure of elastic plate control elastic block dialysis tube simultaneously, make the device can regard as the vein to keep somewhere the needle and use, the medical personnel of being convenient for use, this simple structure, and convenient for operation, the design is novel, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is an isometric view of the present invention.

Figure 2 is the utility model discloses a cut main visual axis mapping.

Fig. 3 is the utility model discloses a partially cut axonometric view.

Fig. 4 is an enlarged view of a in fig. 2 according to the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 4 and give, pipe 1 including the left and right directions, 1 left end of pipe is equipped with pjncture needle 2, 1 right-hand member of pipe is equipped with dialysis tube 3, axial connecting pipe 5 about 1 downside of pipe is connected with through hose 4, coaxial being equipped with a plurality of rubber buffer 6 of direction equipartition about along in the connecting

pipe

5, 5 right-hand member dismantlements of connecting pipe are connected with the drain needle 7 that can run through rubber buffer 6, drain needle 7 right-hand member is equipped with

catheter

8, 8 outside sliding connection of catheter has the rectangle shell 9 that the opening is preceding, it has briquetting 10 that can extrude catheter 8 to articulate in the

rectangle shell

9, 8 left ends of catheter are equipped with

transfusion cavity

11, 11 left end threaded connection of transfusion cavity has heparin cap 12.

In order to realize the disassembly and connection of the connecting pipe 5 and the liquid guide pipe 8, the outer side of the liquid guide needle 7 is coaxially and rotatably connected with a fixed pipe 13, and the fixed pipe 13 is in threaded connection with the connecting pipe 5.

In order to control the pressing block 10 to extrude the catheter 8, the left end of the pressing block 10 is provided with a swing rod 14 in the front-back direction, and the front side of the right end of the swing rod 14 is provided with a clamping groove 15 capable of being in contact with the right side wall of the rectangular shell 9.

In order to enable the patient to still carry out intravenous infusion treatment after dialysis, the outer side of the dialysis tube 3 is sleeved with a U-shaped shell 16 with an upward opening, the right end of the U-shaped shell 16 is provided with an elastic plate 17, the lower surface of the elastic plate 17 protrudes downwards and can squeeze the dialysis tube 3, the left end of the U-shaped shell 16 is provided with a baffle 18, and the upper end of the elastic plate 17 can be in contact with the baffle 18.

In order to increase the using effect of the infusion cavity 11, an infusion tube is arranged on the front side of the infusion cavity 11, and the front end of the infusion tube is in threaded connection with an end cap 19.

In order to facilitate observation of the liquid in the flexible tube 4 and the liquid guide tube 8, the flexible tube 4 and the liquid guide tube 8 are made of transparent materials.

When the utility model is used, the fixing tube 13 is not contacted with the connecting tube 5 in the initial state, the liquid guide needle 7 is not arranged in the connecting tube 5, the end cap 19 is arranged on the transfusion tube, the heparin cap 12 is connected with the transfusion cavity 11, the clamping groove 15 is contacted with the right side wall of the rectangular shell 9 to ensure that the pressing block 10 closes the liquid guide tube 8, and the elastic plate 17 is not contacted with the dialysis tube 3;

when critical patients or old patients are subjected to hemodialysis, the puncture needle 2 can be communicated with an internal fistula, the right end of the dialysis tube 3 is communicated with a dialysis machine pipeline, purified blood flows into the internal fistula through the puncture needle 2, hemodialysis treatment can be normally performed on the patients at the moment, when the patients need to perform blood drawing examination, the connecting tube 5 and the rubber plug 6 are sterilized, the blood taking needle is communicated with the hose 4 after penetrating into the rubber plug 6, the blood in the hose 4 is sampled and then is drawn out, and the blood is prevented from flowing out through the hose 4 and the connecting tube 5 by the plurality of rubber plugs 6;

when a patient needs intravenous infusion for treatment or sudden diseases, the connecting tube 5 and the rubber plug 6 are disinfected, the liquid guide needle 7 is taken out to pierce the rubber plug 6 in the connecting tube 5, the fixing tube 13 is rotated to be in threaded connection with the connecting tube 5, meanwhile, the fixing tube 13 drives the liquid guide needle 7 to penetrate through a plurality of rubber plugs 6 leftwards and then is communicated with the hose 4, the pressing block 10 enables the liquid guide tube 8 to be closed to prevent blood from flowing backwards, the infusion apparatus is communicated with the infusion cavity 11 through the heparin cap 12, the swing rod 14 swings leftwards, the swing rod 14 drives the pressing block 10 to swing forwards and separate from the liquid guide tube 8, the liquid guide tube 8 is in a smooth state, the infusion apparatus inputs liquid medicine into the infusion cavity 11 through the heparin cap 12, the liquid medicine in the infusion cavity 11 flows into the liquid guide needle 7 through the liquid guide tube 8, the liquid medicine in the liquid guide needle 7 is input into the conduit 1 through the hose 4, and at the moment, venous infusion;

if the transfusion is not finished or needs to be carried out again after the hemodialysis of the patient is finished, the dialysis tube 3 is separated from the hemodialysis instrument, the elastic plate 17 is swung downwards, the lower end of the elastic plate 17 extrudes the dialysis tube 3, the elastic plate 17 cannot swing upwards after the upper end surface of the elastic plate 17 is contacted with the baffle 18, the dialysis tube 3 is closed by the elastic plate 17, venous transfusion treatment can be continuously carried out at the moment, when a plurality of liquid medicines need to be input, the end cap 19 is separated from the transfusion tube, a new heparin cap 12 is connected with the transfusion tube by screw threads, two liquid medicines can be simultaneously input after the transfusion device is connected with the heparin cap 12, heparin sodium is injected into the heparin cap 12 after the venous transfusion treatment is finished, the blood is prevented from flowing backwards and flowing backwards to form thrombus in the hose 4 and the liquid guide tube 8, the health of the patient is influenced, the puncture needle 2 is communicated with the transfusion cavity 11 by the hose 4 and the liquid guide tube 8, the, the device can be used as a venous indwelling needle, repeated puncture on a patient is avoided, and pain of the patient is increased.

The heparin cap 12 of the present invention is prior art and will not be described in detail herein.

Claims

1. The utility model provides a multi-functional internal fistula pjncture needle, pipe (1) including the left and right sides direction, pipe (1) left end is equipped with pjncture needle (2), pipe (1) right-hand member is equipped with dialysis tube (3), a serial communication port, pipe (1) downside is connected with through hose (4) and controls axial connecting pipe (5), coaxial rubber buffer (6) that are equipped with a plurality of edges left and right sides direction equipartition in connecting pipe (5), connecting pipe (5) right-hand member dismantlement is connected with drain needle (7) that can run through rubber buffer (6), drain needle (7) right-hand member is equipped with catheter (8), catheter (8) outside sliding connection has rectangle shell (9) that the opening was forward, it has briquetting (10) that can extrude catheter (8) to articulate in rectangle shell (9), catheter (8) left end is equipped with transfusion cavity (11), transfusion cavity (11) left end threaded.

2. The multifunctional internal fistula puncture needle according to claim 1, wherein a fixed tube (13) is coaxially and rotatably connected to the outer side of the liquid guide needle (7), and the fixed tube (13) is in threaded connection with the connecting tube (5).

3. The multifunctional internal fistula puncture needle according to claim 1, wherein a swing rod (14) in the front-back direction is arranged at the left end of the pressing block (10), and a clamping groove (15) which can be in contact with the right side wall of the rectangular shell (9) is formed in the front side of the right end of the swing rod (14).

4. The multifunctional internal fistula puncture needle according to claim 1, wherein a U-shaped shell (16) with an upward opening is sleeved outside the dialysis tube (3), an elastic plate (17) is arranged at the right end of the U-shaped shell (16), the lower surface of the elastic plate (17) protrudes downwards and can squeeze the dialysis tube (3), a baffle (18) is arranged at the left end of the U-shaped shell (16), and the upper end of the elastic plate (17) can be in contact with the baffle (18).

5. The multifunctional internal fistula puncture needle according to claim 1, wherein a transfusion tube is arranged at the front side of the transfusion cavity (11), and the front end of the transfusion tube is in threaded connection with an end cap (19).

6. The multifunctional internal fistula puncture needle according to claim 1, wherein the hose (4) and the catheter (8) are both made of transparent materials.