Micro tools

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/00 (2006.01) A61B 17/122 (2006.01) A61B 17/22 (2006.01) A61B 18/00 (2006.01) A61L 31/06 (2006.01) A61L 31/12 (2006.01) A61B 17/128 (2006.01)

Patent

CA 2377368

Tool arrays for biomedical surgery where the tools consist of layered polymer micromuscles arranged to induce geometrical changes and movements via an electrochemically induced change of volume in at least one polymer layer. The tool or tool arrays are mounted on a carrier having the form of a needle being inserted into a cannula/catheter through which the tools can be electrically actuated via external means to induce a mechanical movement to act upon biological structures.

L'invention concerne des ensembles d'instruments de chirurgie biomédicale, qui sont constitués de muscles microscopiques polymères en couches, conçus pour induire des modifications géométriques et des mouvements résultant d'une modification de volume induite électrochimiquement dans au moins une couche polymère. De tels instruments ou ensembles d'instruments sont montés sur un support présentant la forme d'une aiguille à insérer dans une canule ou un cathéter à l'intérieur de laquelle ou duquel ces instruments peuvent être actionnés électriquement au moyen d'un organe externe de manière à induire un mouvement mécanique qui permette d'agir sur des structures biologiques.

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