Multi-gap electromagnetic ablation cutter

A gap and electromagnetic technology, applied in the field of medical devices, can solve the problems of complex surgical procedures, slow resection time, and slow and complicated procedures, and achieve the effects of university academic influence and economic benefits, simplified liver procedures, and complicated operations

Active Publication Date: 2015-04-08
WEST CHINA HOSPITAL SICHUAN UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the existing various liver resection equipments all have the disadvantages of slow resection time to varying degrees, various and complicated surgical procedures, and excessive bleeding.
Various existing radio frequency / microwave liver cutting equipments use single-point cauterization of the liver multiple times to establish a tourniquet. The process is slow and complicated and a large amount of bleeding is allowed

Method used

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  • Multi-gap electromagnetic ablation cutter
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Embodiment Construction

[0016] In order to make the purpose, technical solution and advantages of the invention clearer, the invention will be further described in detail below in conjunction with the accompanying drawings.

[0017] Such as figure 1 As shown, the multi-slit electromagnetic ablation knife disclosed by the invention is coaxial cylindrical, including an outer metal conductor 1 and an inner metal conductor 2, the outer diameter of the outer metal conductor 1 is 1.8 mm, and the outer diameter of the inner metal conductor 2 is 0.9mm, between the outer metal conductor 1 and the inner metal conductor 2 is filled with insulating medium 4, the insulating medium 4 is vinyl chloride, and the outer metal conductor 1 is equidistantly opened with 4 slots along the radial direction, the 4 slots The width from the front end to the end is 1mm, 1.3mm, 3.38mm, 6.59mm, the axial dimension of the outer metal conductor 1 between two adjacent gaps is 25mm, and the axial dimensions of the outer metal conduct...

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Abstract

The invention discloses a multi-gap electromagnetic ablation cutter. The multi-gap electromagnetic ablation cutter is of a coaxial cylinder shape, wherein an inner layer and an outer layer of the ablation cutter are metal conductors; an insulation medium is filled between the metal conductors in the inner layer and the outer layer; at least two radial gaps are formed in the metal conductors in the outer layer at an equal interval. The multi-gap electromagnetic ablation cutter is capable of burning the precutting surface of a liver by electromagnetic wave at multiple points for a single time; an integral bleeding-stopping surface can be built at a time, so that the operation time is shortened while the operation bleeding is remarkably reduced.

Description

technical field [0001] The invention relates to a medical device, in particular to a multi-slot electromagnetic ablation knife. Background technique [0002] In the surgical field, liver resection is regarded as a difficult and high-risk operation, which places high demands on the surgeon. However, the existing various liver resection devices all have the disadvantages of slow resection time to varying degrees, complicated surgical procedures, and excessive bleeding. Various existing radiofrequency / microwave liver cutting equipments use single-point cauterization of the liver multiple times to establish a tourniquet, and the process is slow and complicated and a large amount of bleeding is allowed. Contents of the invention [0003] The purpose of the invention is to provide a multi-slit electromagnetic ablation knife, which uses a single multi-point electromagnetic wave to cauterize the pre-cut surface of the liver to establish a complete hemostatic surface at one time, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/18
Inventor 冯曦李波林先其魏永刚王文涛
Owner WEST CHINA HOSPITAL SICHUAN UNIV
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