CN215192101U

CN215192101U - Visual interatrial septum puncture needle based on three-dimensional electroanatomical mapping system

Info

Publication number: CN215192101U
Application number: CN202121583061.7U
Authority: CN
Inventors: 黄石安
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-17
Anticipated expiration: 2031-07-12

Abstract

The utility model belongs to the technical field of medical instrument, specifically a visual interatrial septum pjncture needle based on three-dimensional electrolysis is cut open and is surveyed system, including needle tubing, thin needle, connect the needle file in the needle tubing near-end, still be equipped with the connection tail wire on the needle file, the front end of connecting the tail wire is connected with the needle tubing is electrically conducted, and the tail end is drawn forth and is equipped with the crossover sub that is used for connecting three-dimensional electrolysis is cut open and is surveyed system from the needle file, still includes transparent operating handle, operating handle built-in syringe, threaded connection can be dismantled to the end of needle file and operating handle's front end. The needle base is provided with the connecting tail line, and the needle base is connected with the three-dimensional electroanatomical mapping system, so that the visualization of the needle tube can be realized, the needle tube is used as an electrode, the structure is simpler and more convenient, and the more comprehensive and accurate developing effect can be realized; but through the operating handle who sets up threaded connection built-in syringe at the needle file tail end to make being connected of syringe and needle file more stable, it is more convenient to operate, can increase the successful probability of interatrial puncture.

Description

Visual interatrial septum puncture needle based on three-dimensional electroanatomical mapping system

Technical Field

The utility model belongs to the technical field of medical instrument, specifically a visual interatrial septum pjncture needle based on three-dimensional electrolysis is cut open mark system.

Background

With the rapid development of arrhythmia treatment, green electrophysiology is the current trend. Radiofrequency ablation of atrial fibrillation is also trying to treat zero-ray green electrophysiological ablation, and atrial septal puncture is a key step of radiofrequency ablation of atrial fibrillation. The traditional atrial septal puncture needs to be operated under X-ray fluoroscopy, and the X-ray has certain injury to medical workers and patients, in particular to the medical workers who are engaged in the radiation interventional therapy work for a long time. With the development of electrophysiological consumables, zero-ray green electrophysiology becomes possible, particularly, complete zero-ray can be realized by radiofrequency ablation of right heart system arrhythmia, but arrhythmia radiofrequency ablation requiring atrial septal puncture such as atrial fibrillation still requires atrial septal puncture under X-ray fluoroscopy, because the atrial septal puncture needle cannot develop in a three-dimensional reconstructed heart. At present, the atrial septal puncture needles clinically used in China are mainly made by foreign companies, mainly Cordis company, Daig company and the like. The atrial septum puncture needle mainly comprises three parts: the needle is characterized in that the distal end of the needle is provided with a needle point with a certain curvature, the needle tube is the second needle seat, and the needle seat is the third needle seat. The back of the needle stand is connected with an injector, blood is required to be pumped back after the puncture needle enters the left atrium, after arterial blood is verified, the needle can be continuously inserted and the sheath can be expanded after a small amount of contrast medium is injected to verify that the left atrium is behind. But the connection between the syringe and the needle seat is not firm and often falls off.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages of the prior art, an object of the present invention is to provide a visual interatrial septum puncture needle based on a three-dimensional electrical dissection mapping system, which aims to solve the problem that the existing interatrial septum puncture needle cannot be developed and the injector is easy to fall off in the three-dimensional electrical dissection reconstruction heart structure.

The utility model discloses a reach its purpose, the technical scheme who adopts as follows:

the utility model provides a visual interatrial septum pjncture needle based on three-dimensional electrolysis survey mark system, includes electrically conductive material's needle tubing, is located the thin needle of needle tubing, connects the needle file at the needle tubing near-end, still be equipped with the connection tail wire on the needle file, the front end of connecting the tail wire is connected with the needle tubing is electrically conducted, and the tail end is drawn forth and is equipped with the crossover sub that is used for connecting three-dimensional electrolysis survey mark system from the needle file, visual interatrial septum pjncture needle still includes operating handle, the built-in syringe of operating handle, thereby operating handle is transparent material or is equipped with transparent window and is convenient for observe the state of syringe, thereby the end of needle file and operating handle's front end are equipped with matched with hickey respectively and make needle file and operating handle can dismantle threaded connection, and the hickey of operating handle front end is linked together with inside the syringe.

As a preferred technical scheme, a pointer flange is arranged on the needle seat, and the tail end of the connecting tail wire is led out from the tip end of the pointer flange.

According to the preferable technical scheme, the tip of the pointer flange is provided with a lead connector, the connecting tail is divided into a front section lead positioned in the needle seat and a rear section lead positioned outside the needle seat, and the rear section lead is detachably connected with the front section lead through the lead connector.

As a preferable technical scheme, the needle tube and the needle stand are made of medical stainless steel materials.

As a preferable technical scheme, the connecting tail wire is a copper wire, is protected by a surface insulating film and has the length of 10-100 cm.

According to a preferable technical scheme, the threaded interface at the tail end of the needle seat is an external threaded interface, the threaded interface at the front end of the operating handle is an internal threaded interface, and the operating handle and the injector arranged in the operating handle are made of transparent high polymer materials.

Preferably, the injector is an electric injector with a negative pressure suction function and an injection function, and the operating handle is provided with a button for controlling the injector to work.

Compared with the prior art, the utility model discloses beneficial effect is:

the utility model provides a visual interatrial septum pjncture needle based on three-dimensional electrolysis cut open mark system, through set up the connection tail wire on the needle file, the front end of connection tail wire is electrically conducted and is connected the syringe, and the rear end is equipped with the crossover sub that is used for connecting three-dimensional electrolysis cut open mark system, cuts open mark system with three-dimensional electrolysis and is connected the back, can realize the visualization of needle tubing, utilizes needle tubing itself as the electrode, compares with the extra electrode slice that sets up on the needle tubing, not only the structure is more simple and convenient, can play more comprehensive accurate development effect moreover; through the operating handle who sets up built-in syringe, and threaded connection can be carried out with the tail end of needle file to the front end of operating handle to make being connected of syringe and needle file more stable, it is also more convenient to operate, can increase the successful probability of interatrial puncture. The tail end of the connecting tail wire is led out from the tip end of the pointer flange, so that the connecting tail wire is separated from the tail end of the needle seat by a certain distance, and the tail end of the needle seat is convenient to connect with an operating handle or other equipment. Set up the wire joint at the pointed end of pointer flange, when need connect three-dimensional electrolysis and cut open the mark and survey system, only need with the back end wire of connecting the tail wire insert the wire joint can, when need not connect three-dimensional electrolysis and cut open the mark and survey system, pull out the back end wire can, convenient to use can avoid too much pencil winding influence to use.

Drawings

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

Fig. 1 is a schematic structural view of a visualized interatrial septum puncture needle based on a three-dimensional electroanatomical mapping system in a state that a needle seat and an operating handle are not connected.

Description of reference numerals:

the needle tube 1, the fine needle 2, the needle seat 3, the pointer flange 31, the lead connector 311, the external thread interface 32, the connecting tail 4, the adapter 5, the operating handle 6, the injector 61, the button 62 and the internal thread interface 63.

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 description of the specific embodiments is intended to be illustrative only and is not intended to be limiting.

As shown in figure 1, the visual interatrial septum puncture needle based on the three-dimensional electroanatomical mapping system comprises a medical stainless steel needle tube 1, a fine needle 2 positioned in the needle tube 1, a medical stainless steel needle base 3 connected to the near end of the needle tube 1, a connecting tail wire 4 is further arranged on the needle base 3, the connecting tail wire 4 is a copper wire, the surface insulation film is protected, the length is 10-100cm, the front end of the connecting tail wire 4 is in conductive connection with the needle tube 1, the tail end of the connecting tail wire is led out from the tip of a pointer flange 31 of the needle base 3 and is provided with a conversion joint 5 used for connecting the three-dimensional electroanatomical mapping system, the visual interatrial septum puncture needle further comprises an operating handle 6, an injector 61 is arranged in the operating handle 6, the injector 61 is an electric injector with a negative pressure suction function and an injection function, a button 62 for controlling the injector 61 to work is arranged on the operating handle 6, so that the injector 61 can be pushed back and forth to perform injection or suction through the button 62, thereby operating handle 6 and syringe 61 are transparent macromolecular material and are convenient for observe the state of syringe 61, and the end of needle file 3 and the front end of operating handle 6 are equipped with matched with external screw thread interface 32 and internal thread interface 63 respectively to make needle file 3 and operating handle 6 can dismantle threaded connection, the internal thread interface 63 and the inside of syringe 61 of operating handle 6 front end are linked together.

The utility model provides a visual interatrial septum pjncture needle based on three-dimensional electrolysis cut open mark system, through set up connecting tail 4 on needle file 3, connecting tail 4's front end electrically conducts and connects needle tube 1, the rear end is equipped with the crossover sub 5 that is used for connecting three-dimensional electrolysis cut open mark system, cut open mark system with three-dimensional electrolysis and connect the back, can realize the visualization of needle tube 1, utilize needle tube 1 itself as the electrode, compare with the extra electrode slice that sets up on needle tube 1, not only the structure is more simple and convenient, but also can play more comprehensive accurate development effect; through the operating handle 6 who sets up built-in syringe 61, and threaded connection can be carried out with the tail end of needle file 3 to the front end of operating handle 6 to make being connected of syringe 61 and needle file 3 more stable, it is also more convenient to operate, can increase the successful probability of interatrial puncture. The tail end of the connecting tail wire 4 is led out from the tip end of the pointer flange 31, so that the connecting tail wire 4 is separated from the tail end of the needle seat 3 by a certain distance, and the connecting operation of the tail end of the needle seat 3 and the operating handle 6 or other equipment is facilitated.

In a preferred embodiment, the tip of the pointer flange 31 is provided with a wire connector 311, the connection tail 4 is divided into a front wire inside the needle base 3 and a rear wire outside the needle base 3, and the rear wire and the front wire are detachably connected through the wire connector 311. Through set up wire connector 311 at the pointed end of pointer flange 31, when the three-dimensional electroanatomical mapping system of needs connection, only need with the back end wire of connecting tail wire 4 insert wire connector 311 can, when the three-dimensional electroanatomical mapping system of need not connecting, pull out the back end wire can, convenient to use can avoid too much pencil winding influence to use.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a visual interatrial septum pjncture needle based on three-dimensional electroanatomical mapping system, includes electrically conductive material's needle tubing, is located the thin needle of needle tubing, connects the needle file at the needle tubing near-end, its characterized in that: still be equipped with the connection tail wire on the needle file, the front end of connecting the tail wire is connected with the needle tubing is electrically conducted, and the tail end is drawn forth and is equipped with the crossover sub that is used for connecting three-dimensional electroanatomical mapping system from the needle file, visual interatrial puncture needle still includes operating handle, the built-in syringe of operating handle, thereby operating handle is transparent material or is equipped with transparent window and is convenient for observe the state of syringe, thereby the end of needle file and operating handle's front end are equipped with matched with hickey respectively and make needle file and operating handle can dismantle threaded connection, and the hickey of operating handle front end is linked together with syringe inside.

2. The visualization atrial septal puncture needle based on the three-dimensional electroanatomical mapping system of claim 1, wherein: the needle base is provided with a pointer flange, and the tail end of the connecting tail wire is led out from the tip end of the pointer flange.

3. The visualization atrial septal puncture needle based on the three-dimensional electroanatomical mapping system of claim 2, wherein: the point end of the pointer flange is provided with a wire connector, the connecting tail wire is divided into a front section wire in the needle seat and a rear section wire outside the needle seat, and the rear section wire and the front section wire are detachably connected through the wire connector.

4. The visualization atrial septal puncture needle based on the three-dimensional electroanatomical mapping system of claim 1, wherein: the needle tube and the needle stand are made of medical stainless steel materials.

5. The visualization atrial septal puncture needle based on the three-dimensional electroanatomical mapping system of claim 1, wherein: the connecting tail wire is a copper wire, is protected by a surface insulating film and has a length of 10-100 cm.

6. The visualization atrial septal puncture needle based on the three-dimensional electroanatomical mapping system of claim 1, wherein: the threaded interface at the tail end of the needle seat is an external threaded interface, the threaded interface at the front end of the operating handle is an internal threaded interface, and the operating handle and the injector arranged in the operating handle are made of transparent high polymer materials.

7. The visualization atrial septal puncture needle based on the three-dimensional electroanatomical mapping system of claim 1, wherein: the injector is an electric injector with a negative pressure suction function and an injection function, and the operating handle is provided with a button for controlling the injector to work.