Cryoablation apparatus and cryoablation method

A technology of exchanging devices and cold capacity, which is applied in the field of medical equipment, can solve problems such as difficult operation, high risk factor, and fast consumption of working fluid, and achieve the effect of not being easy to explode

Active Publication Date: 2018-12-18
PIEDMONT MEDSYST ZHUHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defects of high risk factor, fast working medium consumption and inconvenient use of the cryoablation device in the prior art, and to provide a low risk factor, extremely small working medium loss, Easy-to-use cryoablation device
[0005] Another technical problem to be solved by the present invention is to overcome the defects of high risk factor and difficult operation of the cryoablation method in the prior art, and to provide a cryoablation method with low risk factor and simple operation

Method used

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  • Cryoablation apparatus and cryoablation method
  • Cryoablation apparatus and cryoablation method
  • Cryoablation apparatus and cryoablation method

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Embodiment 1

[0083] like Figure 1 to Figure 4 As shown, it is Embodiment 1 of the present invention. This embodiment provides a cryoablation device, including a cryoballoon 8, a catheter 7, a medium storage tank 1, a medium supply pipeline 2, a medium recovery pipeline 3 and a refrigeration assembly There is a cold-carrying medium circulating in the cryoballoon 8, which is suitable for contacting with human tissue and performing cryoablation on it; the catheter 7 is connected to the cryoballoon 8, has a medium input end and a medium output end, and is suitable for feeding the cryoballoon The cooling medium is input and output in 8; the cooling medium is stored in the medium storage tank 1, and the cooling medium is a low-pressure medium; one end of the medium supply pipeline 2 communicates with the medium storage tank 1, and the liquid inlet end of the conduit 7 at the other end One end of the medium recovery pipeline 3 communicates with the medium storage tank 1, and the other end commun...

Embodiment 2

[0104] like Figure 5 As shown, it is Embodiment 2 provided by the present invention. This embodiment provides a cryoablation method. In this method, the cold-carrying medium using a low-pressure medium is refrigerated and directly passed into the human body to perform cryoablation of the human body targeted tissue, Specifically includes the following steps:

[0105] For pre-cooling, the low-pressure cooling medium is cold-circulated into the cooling capacity generator 4 for cooling.

[0106] For ablation, the pre-cooled cooling medium is circulated into the cold generation device 4, and then passed into the target tissue of the human body, so that the cooling medium and the target tissue can exchange cold energy, so that the target tissue can be cooled. The target tissue is then cryoablated.

[0107] Recovery, the cooling medium after the cold energy exchange with the target tissue is transported out of the human body and sent to the storage tank.

[0108] After rewarming,...

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Abstract

The invention discloses a cryoablation apparatus and a cryoablation method, belonging to the technical field of cryoablation. The cryoablation apparatus includes a refrigeration capsule, a conduit, amedium storage tank, a medium supply pipeline, a medium recycling pipeline and a refrigeration assembly. The cryoablation method includes four steps: pre-refrigeration, ablation, recycling and rewarming. The cryoablation apparatus and the cryoablation method have the advantages of being low in the danger coefficient, being simple in operation, being convenient to use, being high in the cooling capacity utilization efficiency, and being accurate in temperature control at the same time.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a cryoablation device and a cryoablation method. Background technique [0002] Cryoablation is a surgical technique that uses cryoablation to eliminate target tissue, and is mostly used to treat tumors, atrial fibrillation and other diseases. The principle is to use low-temperature equipment to make the target tissue undergo the process of cooling, freezing and rewarming, thereby causing irreversible damage or necrosis of cells. The cryoablation equipment generally includes a cryoablation generator (host) and a cryo-balloon part. The cryo-ablation generator (host) is responsible for providing a cooling medium for the cryo-balloon. When in use, the cryo-balloon is installed at the front end of the catheter and extends into the human body. , the cryoablation generator (host) passes the cooling medium from the catheter into the cryo-balloon to cool it down, and then cryoabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/02
CPCA61B18/02A61B2018/0212A61B2018/0262A61B2018/0022A61B2018/00351A61B2018/00577A61B2018/00791A61B2018/00863A61B2018/00714
Inventor 肖家华苏东波阿兰·德·拉·拉玛凯利·邦彦·哈塔
Owner PIEDMONT MEDSYST ZHUHAI CO LTD
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