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Multi-electrode ablation device

A multi-pole and detection device technology, applied in medical science, heating surgical instruments, ultrasonic therapy, etc., can solve the problems of low efficiency, inability to detect the adhesion of electrodes and tracheal wall, long operation time, etc.

Pending Publication Date: 2017-11-24
SYMAP MEDICAL (SUZHOU) LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Transmitting energy to multiple places in the trachea step by step by moving the catheter, this method takes a long time to operate and is inefficient
In addition, it is impossible to detect the adhering status of each electrode to the tracheal wall, and selectively control the release of energy from electrodes that are adhering to the wall
Therefore, known minimally invasive techniques for reducing COPD symptoms still suffer from shortcomings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The present invention relates to a device for delivering energy functions in the trachea and bronchi, and further relates to a multipolar ablation device, such as figure 1 As shown, the device mainly includes a first electrode assembly 2 , a second electrode assembly 3 , a guide tube 6 , a handle 17 , and a connector 18 . Such as figure 2 As shown, the first electrode assembly 2 and the second electrode assembly 3 are arranged continuously in the axial direction of the guide tube body 6, and the head end of the electrode assembly is provided with an anti-damage structure 1, which is used to fix the first electrode assembly 2 and the first electrode assembly. The electrode assembly 2 and the second electrode assembly 3 are connected by a support member 4, the proximal end of the first electrode assembly 2 and the distal end of the second electrode assembly 3 are fixed on the support member 4, and the distal end of the pulling wire 5 is connected to the head end The ant...

Embodiment 2

[0038] Such as Figures 6 to 8 It is the second embodiment of the device. A first balloon 11 and a second balloon 12 are arranged under the first electrode assembly 2 and the second electrode assembly 3, and a first balloon airway 15 is arranged at the proximal end of the first balloon 11. The proximal end of the second balloon 12 is provided with a balloon second airway 16 . The first balloon 11 and the second balloon 12 are isolated from each other, and the first airway 15 and the second airway 16 are independent of each other to provide gas for the first balloon 11 and the second balloon 12. When the gas passes through the balloon When the tract enters the balloon, the first electrode 71, the second electrode 72, the third electrode 73, the fourth electrode 74, the fifth electrode 81, the sixth electrode 82, the seventh electrode 83, and the eighth electrode 84 expand under pressure. , the electrode assembly expands, and the gas intake volume is controlled by an external i...

Embodiment 3

[0041] Such as Figure 9Shown is the third embodiment, the first ring electrode 13 and the second ring electrode 14 are spirally arranged on the first balloon 11 and the second balloon 12, when the balloon is inflated, the first ring electrode 13 and the second The outer diameter of the ring electrode 14 becomes larger. The first ring electrode 13 and the second ring electrode 14 are provided with independent electrode wires. When in use, each electrode passes through the trachea tissue and the control circuit board to form a loop, and each electrode can independently detect the adhering resistance between the electrode and the tissue. . The ring electrode 13 and the ring electrode 14 are respectively provided with a temperature sensor 201 and 202, which can independently detect the temperature of the tissue around the electrode assembly.

[0042] Such as Figure 10 As shown, the handle 17 is provided with an indicator light 19. Theoretically, radiofrequency ablation can be...

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Abstract

The invention discloses a multi-electrode ablation device which comprises an electrode assembly, a guiding conduit, a handle and a connector. At least one cavity exists in the guiding conduit. The electrode assembly is arranged at the front end of the guiding conduit and penetrates through the guiding conduit through a line to be connected with the handle, the guiding conduit comprises one or more electrode groups and one or more detection devices, the electrode groups can exert electric energy, radio frequency energy, laser energy, high-density focused ultrasound or low-temperature ablation, and the detection devices are used for detecting temperature, impedance or tension. The handle is connected with the connector and one or more groups of electrode assemblies and comprises one or more control parts, and the control parts are used for controlling shrinkage, opening and energy of the electrode groups and can control the electrode assemblies to stretch out or retreat back to the guiding conduit. The connector is used for providing energy for electrodes. The device can be used for delivering direct current, alternating current and radio frequency energy to foci and can be used for non-medicine treatment of obstructive lung diseases.

Description

technical field [0001] The invention belongs to the field of minimally invasive medical equipment, in particular to a multipolar ablation device for transmitting energy in the trachea and bronchi. Background technique [0002] COPD is a progressive disease that causes the airways of the lungs to become blocked, restricting the airflow in and out of the lungs. As a result, patients with COPD may experience breathing difficulties such as coughing, wheezing, shortness of breath, chest tightness, and production of mucus (asthma attacks), requiring extensive medical attention that can lead to hospitalization and life-threatening conditions. COPD is caused by contraction of smooth muscle, excess mucus production, thickening of airway walls due to inflammation, and changes in the structures surrounding the airways. [0003] Excessive and inappropriate constriction of the airway smooth muscle lining the airway walls of a patient's lungs is a contributing factor in COPD. Therefore,...

Claims

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Application Information

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IPC IPC(8): A61B18/14A61B18/12A61B18/22A61N7/02
CPCA61N7/022A61B18/12A61B18/1206A61B18/14A61B18/22A61B2018/1497A61B2018/1467A61B2018/00875A61B2018/00791A61B2018/00279A61B2018/00285A61B2018/00261A61B2018/00577A61B2018/00541A61B2018/00648
Inventor 王捷
Owner SYMAP MEDICAL (SUZHOU) LIMITED
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