PROBLEM TO BE SOLVED: To provide a prosthetic valve implant site preparation technique which optionally addresses the challenges presented by prosthetic member interface with calcific and/or irregular valve leaflet and annulus geometry.SOLUTION: Prosthetic valve implantation methods and systems, especially as related to preparing the native site of a native stenotic or incompetent aortic valve for receipt of a prosthetic replacement valve are described. The subject tools and associated site preparation techniques may be employed in percutaneous aortic valve replacement procedures. Devices for modification or removal of tissue through chemical techniques, mechanical techniques and the application of energy are disclosed. Devices for creating treatment zones and other devices are also disclosed.COPYRIGHT: (C)2013,JPO&INPIT【課題】補綴弁移植部位の調製技術の提供。【解決手段】補綴弁移植の方法およびシステムが、記述され、特に、補綴交換弁の受け取りのために、狭窄または機能不全の元々の大動脈弁の元々の部位を調製することに関して記述される。主題のツールと、関連部位の調製技術とが、経皮的な大動脈弁の交換処置において利用され得る。化学的手法、機械的手法、およびエネルギーの印加を介した組織の改変または除去のためのデバイスが、開示される。治療区域を作成するデバイス、および他のデバイスがまた、開示される。【選択図】図2A
