CN118044879A - Atrial septum puncture tube - Google Patents

Abstract

The application relates to a atrial septum puncture tube, comprising: the energy adjusting device is provided with a first energy adjusting button and is connected with the proximal end of the sheath tube; the energy puncture assembly comprises a first energy puncture head and a second energy puncture head, wherein the first energy puncture head is sleeved on the second energy puncture head, the first energy puncture head of the second energy puncture head is arranged on the first energy puncture head of the distal end of the sheath, and the second energy puncture head of the first energy puncture head is arranged on the second energy puncture head of the distal end of the sheath. According to the scheme provided by the application, the puncture precision can be improved, the size of the puncture hole site can be adjusted, the situation that the puncture hole is torn can be prevented, the risk of surgical infection of a patient can be reduced, meanwhile, when the puncture of the puncture catheter is completed, the guide wire control piece can penetrate the guide wire into the atrial septum, the puncture tube is withdrawn, and guide wire guiding is provided for subsequent operations.

Description

Atrial septum puncture tube

Technical Field

The application relates to the technical field of atrial septum puncture, in particular to an atrial septum puncture tube.

Background

Atrial septal puncture is one of the most common techniques for interventional cardiology, and is used primarily in percutaneous mitral valve balloon angioplasty in early years. With development of interventional therapy for cardiovascular diseases, atrial appendage puncture has been a common clinical technique mainly used for percutaneous left atrial appendage occlusion, percutaneous mitral valve angioplasty, percutaneous valve implantation and radio frequency ablation.

In the existing septal puncture, the septal puncture needle is used for puncturing, but after the optimal puncturing position is selected, how to puncture is very important, the puncturing technology is bad, the puncturing needs to be performed again, and the pain of a patient is increased.

The puncture head end of the puncture needle on the market at present is usually fixed in size, the puncture hole site cannot be adjusted according to the needs, the puncture head end of the puncture needle is a needle body, the puncture can be performed only by the force of a user, the physical puncture is performed, the puncture depth is easy to be deep or too shallow, the condition that the puncture hole is torn exists, and surgical infection is easy to be caused. Thus, there is a need for improvements to existing atrial lancets.

Disclosure of Invention

In order to solve or partially solve the problems in the related art, the application provides a atrial septum puncture tube which can puncture by using energy rays and can adjust the size of a puncture hole site, reduce the risk of infection of a patient and reduce surgical complications.

The application provides a room septum puncture tube, comprising:

the energy adjusting device is provided with a first energy adjusting button and is connected with the proximal end of the sheath tube;

The energy puncture assembly comprises a first energy puncture head and a second energy puncture head, wherein the first energy puncture head is sleeved on the second energy puncture head, the second energy puncture head can stretch and retract relative to the first energy puncture head, the first energy puncture head is arranged at the far end of the sheath, and the first energy regulation button is used for controlling the second energy puncture head to stretch and retract.

Further, the first energy adjusting button is connected to the second energy puncture head through a connecting rod, the first energy adjusting button can slide on the energy adjusting device, and the connecting rod is arranged inside the sheath tube and can slide relative to the sheath tube.

Further, the energy puncture assembly further comprises a third energy puncture head, the second energy puncture head is sleeved on the third energy puncture head, the third energy puncture head can stretch and retract relative to the second energy puncture head, a second energy adjustment button is further arranged on the energy adjustment device, and the second energy adjustment button is used for controlling the third energy puncture head to stretch and retract.

Further, the energy adjusting device comprises a first holding handle and a first stress relieving pipe, wherein the first stress relieving pipe is fixedly connected to one side of the first holding handle and sleeved at the proximal end of the sheath pipe, and the energy adjusting device is electrically connected to a host for controlling the energy adjusting device through a wire.

Further, the sheath tube bending device comprises a bending device, a first bending knob and a second bending knob which are used for adjusting the bending degree of the sheath tube are arranged on the bending device, the first bending knob and the second bending knob can rotate relative to the bending device, and the bending device is sleeved on the sheath tube.

Further, the bending device comprises a second holding handle, a fixing piece is arranged on the bending device, the fixing piece is arranged on one side of the first bending knob, and a second stress removing pipe is fixedly connected to one side of the fixing piece.

Further, a guide wire is arranged in the sheath tube, a guide wire control piece connected with the guide wire is arranged on the energy adjusting device, the proximal end of the guide wire is connected with the guide wire control piece, and the distal end of the guide wire extends out of the second energy puncture head.

Further, the hardness of the guide wire is gradually decreased from the proximal end to the distal end.

Further, the sheath tube is provided with an inner layer, an intermediate layer and an outer layer which are sequentially connected.

Further, the middle layer of the sheath tube is made of a high polymer material or a metal material.

Further, the hardness of the sheath tube is gradually decreased from the proximal end to the distal end, the hardness of the distal end is 25-35D, and the hardness of the proximal end is 63-72D.

Further, the energy puncturing assembly is a laser energy puncturing assembly or an RF radio frequency energy puncturing assembly or a PFA pulse electric field energy puncturing assembly.

The technical scheme provided by the application can comprise the following beneficial effects: the energy adjusting device is provided with a first energy adjusting button and is connected with the proximal end of the sheath tube; the energy puncture assembly comprises a first energy puncture head and a second energy puncture head, wherein the first energy puncture head is sleeved on the second energy puncture head, the second energy puncture head can stretch and retract relative to the first energy puncture head, the first energy puncture head is arranged at the far end of the sheath, and the first energy regulation button is used for controlling the second energy puncture head to stretch and retract. The application uses energy rays to puncture, can improve the accuracy of puncture, can adjust the size of the puncture hole, can prevent the puncture hole from tearing, can reduce the surgical risk of surgical infection or other complications of a patient, and simultaneously, when the puncture of the instrument is completed, the guide wire control element can penetrate the guide wire into the atrial septum and the puncture tube is withdrawn, so as to provide guide wire guidance for subsequent operations.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

FIG. 1 is a schematic view of a atrial septum puncture tube according to an embodiment of the present application;

FIG. 2 is a front view of a atrial septal tube shown in accordance with an embodiment of the present application;

FIG. 3 is a schematic view of an energy conditioner according to an embodiment of the present application;

FIG. 4 is another schematic view of the energy conditioner of the present application;

FIG. 5 is another schematic view of the energy conditioner of the present application;

FIG. 6 is another schematic structural view of an energy modulation device according to an embodiment of the present application;

FIG. 7 is another schematic view of an energy modulation device according to an embodiment of the present application;

FIG. 8 is a schematic structural view of a bending apparatus according to an embodiment of the present application;

FIG. 9 is a schematic view of the first energy adjustment button and the second energy adjustment button of the atrial septum puncture tube according to an embodiment of the present application;

FIG. 10 is a schematic illustration of lancing using a third energy lancing head according to an embodiment of the present application;

FIG. 11 is another schematic illustration of lancing using a third energy lancing head according to an embodiment of the present application;

FIG. 12 is a schematic illustration of lancing using a third energy lancing head and a second energy lancing head according to an embodiment of the present application;

FIG. 13 is another schematic illustration of lancing using a third energy lancing head and a second energy lancing head according to an embodiment of the present application;

FIG. 14 is a schematic illustration of lancing using a third energy lancing head, a second energy lancing head and a first energy lancing head according to an embodiment of the present application;

fig. 15 is another schematic view of a lancing using a third energy lancing head, a second energy lancing head and a first energy lancing head according to an embodiment of the present application.

The drawings are marked: 1. an energy adjustment device; 101. a first energy adjustment button; 102. a second energy adjustment button; 103. a first grip handle; 104. a first de-stressing pipe; 105. a wire; 2. a sheath; 201. an energy penetration assembly; 202. a first energy penetration head; 203. a second energy penetration head; 204. a third energy penetration head; 3. a connecting rod; 4. a bending device; 401. a first turn knob; 402. a second bend adjustment knob; 403. a second grip handle; 404. a fixing member; 405. a second de-stressing pipe; 5. a guide wire; 6. a guidewire control; 7. room interval; 8. the left atrium; 9. a left ventricle; 10. a right ventricle; 11. right atrium.

Detailed Description

Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are illustrated in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Atrial septal puncture is one of the most common techniques for interventional cardiology, and is used primarily in percutaneous mitral valve balloon angioplasty in early years. When the prior atrial septum puncture is performed, the atrial septum puncture needle is used for puncturing, and the prior atrial septum puncture needle is used for puncturing in a physical puncturing mode, so that when the operator uses the physical puncture, the operator uses excessive force or the excessive force to easily cause the puncture depth to be deeper or shallower, and the puncture mouth can be torn, thereby easily causing the patient to have surgical infection or other surgical complications. Secondly, how to puncture smoothly through the room space and to puncture to the optimal position is very important when the operator performs the operation, but the existing room space puncture needle can not well adjust the puncture hole site to reach the optimal puncture position, so that the pain of a patient can be increased, and the development of other subsequent operations can be influenced. There are relatively large surgical problems for both the operator and the patient.

Aiming at the problems, the embodiment of the application provides a room septum puncture tube which can adjust a puncture hole position and prevent the puncture hole from tearing, thereby reducing the risk of surgical infection of a patient.

The following describes the technical scheme of the embodiment of the present application in detail with reference to the accompanying drawings.

Referring to fig. 1-15, the application provides a atrial septum puncture tube, which comprises an energy adjusting device 1 and a sheath tube 2, wherein a first energy adjusting button 101 is arranged on the energy adjusting device 1, and the energy adjusting device 1 is connected with the proximal end of the sheath tube 2; the distal end of sheath 2is provided with energy puncture subassembly 201, and energy puncture subassembly 201 includes first energy puncture head 202 and second energy puncture head 203, and first energy puncture head 202 cover is located on the second energy puncture head 203, and second energy puncture head 203 can stretch out and draw back relative first energy puncture head 202, and first energy puncture head 203 sets up in the distal end of sheath 2, and first energy adjustment button 101 is used for controlling second energy puncture head 203 to stretch out and draw back.

Specifically, the first energy adjustment button 101 is disposed on the energy adjustment device 1, the first energy adjustment button 101 can be used to control the energy puncturing assembly 201, the first energy adjustment button 101 can slide on the energy adjustment device 1, the first energy puncturing head 202 and the second energy puncturing head 203 can be circular puncturing heads, a plurality of energy transmitting points are disposed on the puncturing heads, and puncturing is performed by using the energy transmitting points. When the energy-saving puncture device is used, the first energy puncture head 202 can be used for puncturing the atrial septum, when a puncture hole position needs to be adjusted, as the laser outer ring of the first energy puncture head 202 is relatively large, the first energy puncture head 202 is used for puncturing alone to cause the atrial septum to drop off at a large circular atrial septum, so that the first energy adjustment button 101 can be slid, the second energy puncture head 203 can be retracted into the first energy puncture head 202 under the driving of the first energy adjustment button 101, and the first energy puncture head 202 and the second energy puncture head 203 can simultaneously emit energy for puncturing, so that the massive circular atrial septum can be prevented from dropping off. Through using energy puncture subassembly 201 to puncture the room septum, can avoid the physics puncture to lead to the problem that the puncture mouth was torn, simultaneously, under the cooperation of first energy puncture head 202 and second energy puncture head 203, the puncture hole site of regulation that can be better provides the help for the room septum puncture operation, reduces the risk that the patient takes place the operation and infects.

Still further, the energy lancing assembly 201 can be a lancing assembly that uses other energy to perform lancing, such as RF radio frequency energy, PFA pulsed electric field energy, and the like.

In one embodiment, the first energy adjustment button 101 is connected to the second energy penetration head 203 by a connecting rod 3, the first energy adjustment button 102 is slidable on the energy adjustment device 1, and the connecting rod 3 is disposed inside the sheath 2 and is slidable relative to the sheath 2.

Specifically, the first energy adjusting button 101 is arranged on the energy adjusting device 1, the connecting rod 3 is connected below the first energy adjusting button 101, the other side of the connecting rod 3 is connected to the first energy puncturing head 202, the connecting rod 3 can be a flexible rod, the inside of the connecting rod can be of a double-layer spring structure or a flexible hypotube, the connecting rod 3 can be flexibly bent when the sheath tube 2 is bent, so that the required bending angle is achieved, the energy circle range of the second energy puncturing head 203 is smaller than that of the first energy puncturing head 202, when the energy puncturing assembly 201 needs to be adjusted, the first energy adjusting button 101 can be pulled back, the first energy adjusting button 101 slides on the energy adjusting device 1, the connecting rod 3 is driven by the first energy adjusting button 101 to shrink the second energy puncturing head 203 back into the first energy puncturing head 202, the second energy puncturing head 203 is driven by the connecting rod 3 to shrink, the purpose of adjusting the size of a puncturing hole site can be achieved, and the requirements of different puncture sites under different conditions are met.

In one embodiment, the energy puncturing assembly 201 further includes a third energy puncturing head 204, the second energy puncturing head 203 is sleeved on the third energy puncturing head 204, the third energy puncturing head 204 can stretch and retract relative to the second energy puncturing head 203, the energy adjusting device 1 is further provided with a second energy adjusting button 102, and the second energy adjusting button 102 is used for controlling the stretching and retracting of the third energy puncturing head 204.

Specifically, the energy puncturing assembly 201 further includes a third energy puncturing head 204, the energy adjusting device 1 further includes a second energy adjusting button 102, the energy range of the third energy puncturing head 204 is smaller than the energy range of the second energy puncturing head 203 and the energy range of the first energy puncturing head 202, the energy puncturing assembly can be used for puncturing different hole sites, when the energy puncturing assembly 201 needs to be adjusted, the second energy adjusting button 102 can be pulled back, the third energy puncturing head 204 is driven by the second laser button 102 to be retracted back into the second energy puncturing head 203, and the requirements of different puncture hole site sizes can be met through the extension and retraction of the third energy puncturing head 204.

Further, the energy puncturing assembly 201 may further include a fourth energy puncturing head and a fifth energy puncturing head, the third energy puncturing head 204 is sleeved on the fourth energy puncturing head, the fourth energy puncturing head can stretch out and draw back relative to the third energy puncturing head 204, the fifth energy puncturing head is sleeved on the fourth energy puncturing head, the fifth energy puncturing head can stretch out and draw back relative to the fourth energy puncturing head, the energy adjusting device 1 may further be provided with a third energy adjusting button and a fourth energy adjusting button, the third energy adjusting button is used for controlling the fourth energy puncturing head, the fourth energy adjusting button is used for controlling the fifth energy puncturing head, an energy circle of the fourth energy puncturing head is smaller than an energy circle of the third energy puncturing head 204, an aperture of the fifth energy puncturing head is smaller than an energy circle of the fourth energy puncturing head, and by setting the fourth energy puncturing head and the fifth energy puncturing head, the size of the puncturing hole site can be adjusted more accurately, and risk of infection of a patient is reduced more advantageously.

In one embodiment, the energy adjusting device 1 includes a first holding handle 103 and a first stress relief tube 104, the first stress relief tube 104 is fixedly connected to one side of the first holding handle 103 and sleeved on the proximal end of the sheath tube 2, and the energy adjusting device 1 is electrically connected to a host for controlling the energy adjusting device 1 through a wire 5.

Specifically, the operator can better use energy adjusting device 1 through first handle 103, provide help to the operation, first destressing tube 104 can get rid of the stress, prevent the risk that the stress produced, first energy adjustment button 101 sets up on first handle 103, the operator can better slip first energy adjustment button 101 and then drive the flexible of second energy puncture head 203, through being connected with the host computer, the host computer can provide electric power support for energy adjusting device 1 and receive the data that energy adjusting device 1 sent, the operator of being convenient for changes the size of puncture hole according to data, further, the host computer can be used for controlling energy adjusting device 1, and then control second energy puncture head 203 is flexible, the host computer can control the laser energy's of laser head size, according to actual room separation condition, adjust the size of energy, in the condition that the room separation is thick a bit relatively, the relative thin condition of room separation is released to the laser head control laser head release, the relative little energy of laser head release, utilize the different energy puncture adaptation different conditions of different rooms to avoid the complication.

In one embodiment, the device further comprises a bending device 4, a first bending knob 401 and a second bending knob 401 for adjusting the bending degree of the sheath tube are arranged on the bending device 4, the first bending knob 401 and the second bending knob 402 can rotate relative to the bending device 4, and the bending device 4 is sleeved on the sheath tube 2.

Specifically, the bending device 2 is arranged on one side of the energy adjusting device 1, a first bending knob 401 and a second bending knob 402 are arranged on the bending device 2, the first bending knob 401 and the second bending knob 402 are oppositely arranged, an operator can adjust the bending degree of the sheath tube 2 by rotating the first bending knob 401 and the second bending knob 402, the sheath tube 2 is provided with unidirectional bending, bidirectional bending, four-way bending and other bending modes, preferably, the bending is four-way bending, the energy puncture assembly 201 can reach a room space position to puncture, such as a oval fossa position, when the energy puncture device is used, the thumb and the index finger can be used for holding the bending knob, the thumb can be rotated leftwards, the thumb can be rotated rightwards, the right bending can be realized, for the four-way bending, the first bending knob 401 can control the first bending direction and the second bending direction, the second bending knob 402 can control the third bending direction and the fourth bending direction, the energy puncture assembly 201 can be assisted by the bending device to more accurately position the operator, and then puncture the room space position is reduced, and the puncture success rate of the patient is increased, and the puncture is increased.

In one embodiment, the bending device 4 includes a second holding handle 403, a fixing member 404 is disposed on the bending device 4, the fixing member 404 is disposed on one side of the first bending knob 401, and a second stress relief tube 405 is fixedly connected to one side of the fixing member 4.

Specifically, the operator can be better use the bending device 4 through the second grip 403, and help the operation, the second removes stress tube 405 and can get rid of the risk that stress produced, and the mounting 404 is used for fixing the second and removes stress tube 405 and bending device 4, prevents to take place not hard up when using.

In one embodiment, a guide wire 5 is arranged inside the sheath tube 2, a guide wire control member 6 connected with the guide wire 5 is arranged on the energy adjusting device 1, the proximal end of the guide wire 5 is connected with the guide wire control member 6, and the distal end of the guide wire 5 extends out from the second energy puncturing head 203.

Specifically, the guide wire 5 is arranged inside the sheath tube 2, the guide wire control piece 6 is used for controlling the guide wire 5 to stretch out and draw back from the sheath tube 2, the guide wire control piece 6 and the proximal end of the guide wire 5 can be connected in a detachable mode, for example, the guide wire control piece 6 is connected in a threaded locking mode, when the guide wire control piece 6 is locked, the guide wire 5 can be controlled to advance and retreat through the guide wire control piece 6, when the guide wire control piece is used, the sheath tube 2 is stretched into the right atrium 11, the right atrium 11 is positioned on the partition wall of the right ventricle 10, after the energy puncture assembly 201 is punctured, an operator stretches the guide wire 5 from the energy puncture assembly 201 through controlling the guide wire control piece 6, then the guide wire 5 passes through the atrial septum 7 to reach the position of the left atrium 8, the partition wall of the left atrium 8 is the left ventricle 9, the thread is unscrewed to release the connection of the guide wire control piece and the guide wire 5, the guide wire control piece is taken off, the atrial septum puncture tube is withdrawn out of the body along the proximal end of the guide wire, the guide wire is left in the body, a path guiding function can be provided for a subsequent operation, for example, an electrophysiological ablation operation, a mitral valve repair and treatment operation, a left atrial appendage occlusion operation and the like.

In one embodiment, the stiffness of the guidewire 5 decreases stepwise from the proximal end to the distal end.

Specifically, the distal end of the guide wire 5 is softer, the proximal end is harder, the material of the distal end of the guide wire 5 can be flexible materials such as springs, the guide wire can be further of a double-layer structure, a wire with a fixable shape is arranged in the guide wire, the material of the wire can be SUS304, 316, nickel-titanium alloy and the like, the material of the proximal end of the guide wire 5 can be SUS304, SUS316 and the like with higher hardness, and the distal end of the guide wire 5 can be of a taper structure

In one embodiment, the sheath 2 has an inner layer, an intermediate layer, and an outer layer connected in sequence.

Specifically, the inner layer of the sheath tube 2 can be made of a material with high lubrication performance and high chemical resistance, such as etched PTFE (polytetrafluoroethylene), non-etched PTFE and other materials, which are beneficial to laser to successfully puncture the sheath tube 2, the middle layer of the sheath tube 2 is mainly used for enhancing the performance of the catheter, and the middle layer is generally provided with a woven structure, can be dense at a bending position and thin at a non-bending position. The braiding structure may have a pattern of 1 press 1 (one of braiding wires is arranged up and one is arranged down), or a pattern of 2 press 2 (one of braiding wires is arranged up and two is arranged down), by which the sheath tube 2 can be better supported, durability is increased, the structure of the middle layer may be composed of a spring, the structure of the spring may be a single layer or a double layer spring, the outer layer of the sheath tube 2 is directly contacted with blood, the outer layer may be composed of materials with different hardness, for example, in a position where bending can be adjusted, may be composed of relatively soft Pebax 3533 (polyether block amide) or Pebax 2533 series materials, which can allow the sheath tube 2 to play a role in bending well, and in a position where bending can not be adjusted, may be composed of relatively hard materials, for example, pebax7233 (polyether block amide) or PA12 (polydodectamide) series materials, which can play a role in supporting and pushing the sheath tube 2.

In one embodiment, the intermediate layer of the sheath 2 is made of a polymer material or a metal material.

Specifically, the middle layer of the sheath tube 2 may be made of a polymer material having a woven structure or a metal material, and the commonly used polymer materials are PEEK (polyetheretherketone), 66PA (nylon 66), LCP (industrialized liquid crystal polymer), PPS (polyphenylene sulfide), PFA (soluble polytetrafluoroethylene), and the commonly used metal materials are SUS304, SUS316, tungsten, and the like, and by using these materials, the durability of the sheath tube 2 can be better increased.

In one embodiment, the sheath 2 has a hardness that decreases progressively from the proximal end to the distal end, the distal hardness being 25-35D and the proximal hardness being 63-72D.

Specifically, the sheath tube 2 has a large hardness at the proximal end, can be better connected with an energy adjusting device, has a relatively small hardness at the distal end, and can provide convenience for subsequent operations.

In one embodiment, the energy puncturing assembly 1 is a laser energy puncturing assembly or an RF radio frequency energy puncturing assembly or a PFA pulsed electric field energy puncturing assembly.

Specifically, laser, RF and PFA pulsed electric fields can provide energy for puncturing the septum, which can reduce the risk of infection for the patient.

The application provides a atrial septum puncture tube, which comprises an energy adjusting device 1 and a sheath tube 2, wherein a first energy adjusting button 101 is arranged on the energy adjusting device 1, and the energy adjusting device 1 is connected with the proximal end of the sheath tube 2; the distal end of sheath 2 is provided with energy puncture subassembly 201, and energy puncture subassembly 201 includes first energy puncture head 202 and second energy puncture head 203, and first energy puncture head 202 cover is located on the second energy puncture head 203, and second energy puncture head 203 can stretch out and draw back relative first energy puncture head 202, and first energy puncture head 203 sets up in the distal end of sheath 2, and first energy adjustment button 101 is used for controlling second energy puncture head 203 to stretch out and draw back. The application uses energy to puncture, can improve the accuracy of puncture, can adjust the size of the puncture hole site, can prevent the puncture hole from being torn, and can reduce the risk of surgical infection of patients.

The using flow of the atrial septum puncture tube is as follows:

The first step: the energy adjusting device 1 is connected with a host for debugging;

And a second step of: percutaneous puncture of femoral vein, placement of sheath 2;

and a third step of: the energy penetration assembly 201 enters the femoral vein and then reaches the inferior vena cava from where it enters the right atrium 10;

fourth step: upon reaching the right atrium 10, the bending device 4 is operated to bend the distal end of the sheath 2. The distal end of the sheath 2 is brought to the fossa ovalis position under the radiation guidance of DSA (digital subtraction angiography ).

Fifth step: according to the size of the puncture hole site actually required by the operator, the energy adjusting buttons are used for adjusting different energy puncture heads of the energy puncture assembly 201, and the energy puncture heads are used for puncturing.

Sixth step: the guide wire 5 passes through the atrial septum 7 along the puncture hole through the guide wire control member 6 and enters the left atrium 8, so that atrial septum puncture is completed. If the subsequent operation is needed, the thread of the guide wire control piece 6 can be unscrewed, the connection between the guide wire 5 and the guide wire control piece 6 is released, the guide wire control piece 6 is taken down, then the atrial septum puncture catheter is withdrawn from the body along the guide wire 5, and the guide wire 5 is left in the body to provide guidance for the subsequent operation.

In addition, the operator can also reach the superior vena cava through the jugular vein with the sheath tube 2, then reach the right atrium 11 through the superior vena cava, bend the distal end of the sheath tube 2 by using the bending device 4, reach the position of the interatrial septum 7 under the ray guidance of the DSA, adjust the different energy puncture heads of the energy puncture assembly 201 by using the energy adjusting button according to the size of the actually required puncture hole site, and finally enter the guide wire 5 into the left atrium 8 along the puncture hole site to complete the interatrial septum puncture operation.

The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (12)

1. A atrial septum puncture tube, comprising:

the energy adjusting device is provided with a first energy adjusting button and is connected with the proximal end of the sheath tube;

The energy puncture assembly comprises a first energy puncture head and a second energy puncture head, wherein the first energy puncture head is sleeved on the second energy puncture head, the second energy puncture head can stretch and retract relative to the first energy puncture head, the first energy puncture head is arranged at the far end of the sheath, and the first energy regulation button is used for controlling the second energy puncture head to stretch and retract.

2. The atrial septal puncture of claim 1, wherein the first energy modulation button is coupled to the second energy lance via a connecting rod that is slidable on the energy modulation device, the connecting rod being disposed within the sheath and slidable relative to the sheath.

3. The atrial septum puncture tube of claim 1, wherein the energy puncture assembly further comprises a third energy puncture head, the second energy puncture head is sleeved on the third energy puncture head, the third energy puncture head can stretch and retract relative to the second energy puncture head, and a second energy adjustment button is further installed on the energy adjustment device and used for controlling the third energy puncture head to stretch and retract.

4. The atrial septal tube of claim 1, wherein: the energy adjusting device comprises a first holding handle and a first stress relief pipe, wherein the first stress relief pipe is fixedly connected to one side of the first holding handle and sleeved at the proximal end of the sheath pipe, and the energy adjusting device is electrically connected to a host for controlling the energy adjusting device through a wire.

5. The atrial septal puncture tube of claim 1, further comprising a bending device, wherein the bending device is provided with a first bending knob and a second bending knob for adjusting the bending degree of the sheath, the first bending knob and the second bending knob can rotate relative to the bending device, and the bending device is sleeved on the sheath.

6. The atrial septal aspiration tube of claim 5, wherein: the bending adjusting device comprises a second holding handle, a fixing piece is arranged on the bending adjusting device, the fixing piece is arranged on one side of the first bending adjusting knob, and a second stress removing pipe is fixedly connected to one side of the fixing piece.

7. The atrial septal aspiration tube of claim 1, wherein a guidewire is disposed within the sheath, the energy modulation device is provided with a guidewire control coupled to the guidewire, a proximal end of the guidewire is coupled to the guidewire control, and a distal end of the guidewire extends from the second energy delivery head.

8. The atrial septal tube of claim 7, wherein: the hardness of the guide wire is gradually decreased from the proximal end to the distal end.

9. The atrial septal tube of claim 1, wherein: the sheath tube is provided with an inner layer, an intermediate layer and an outer layer which are sequentially connected.

10. The atrial septal tube of claim 9, wherein: the middle layer of the sheath tube is made of a high polymer material or a metal material.

11. The atrial septal tube of claim 1, wherein: the hardness of the sheath tube is gradually decreased from the proximal end to the distal end, the hardness of the distal end is 25-35D, and the hardness of the proximal end is 63-72D.

12. The atrial septal tube of claim 1, wherein: the energy puncturing assembly is a laser energy puncturing assembly or an RF radio frequency energy puncturing assembly or a PFA pulse electric field energy puncturing assembly.