Process for producing an actuator element and microdevice

Details Process for producing an actuator element and microdevice Process for producing an actuator element and microdevice

H - Electricity

02

N

H02N 1/00 (2006.01) A61B 17/00 (2006.01) A61F 9/007 (2006.01) H02K 15/00 (2006.01) H02N 11/00 (2006.01)

Patent

CA 2255984

A process for producing an actuator element, the actuator element comprising an ion exchange resin molding and, formed on both surfaces of the ion exchange resin molding, electrodes, the ion exchange resin molding adapted to be curved or deformed upon application of a potential difference to the ion exchange resin molding while the ion exchange resin molding is in hydrous state, which process comprises the steps of: (1) causing the ion exchange resin molding to adsorb a metal complex in an aqueous solution, and (2) reducing the adsorbed metal complex with a reducing agent so that a metal is precipitated on the surface of the ion exchange resin molding to thereby form a metal electrode. A process for producing a lead wire, comprising the steps of coating surface of a lead wire substrate of an insulating material with a conductive solution by dipping to thereby form a conductive thin-film layer on the surface; and irradiating the lead wire substrate, in one direction therealong, with light so that the conductive thin-film layer is removed by the irradiation working to thereby form insulating zones and thus form a plurality of mutually electrically insulated conductive lines along the lead wire substrate. A microdevice comprising a slender guide member body; a therapeutic tool connected to a front end of the guide member body; a polymeric actuator arranged in the vicinity of part of the connection; and an actuator operation control unit electrically connected to the actuator through a lead wire extending along a longitudinal direction of the guide member body, wherein the polymeric actuator comprises an ion exchange resin molding and, provided in positions interposing the ion exchange resin molding, at least one pair of electrodes, and wherein an arrangement is made such that the ion exchange resin molding is deformed by selective application of a voltage through the lead wire to the pair of electrodes by means of the operation control unit so that the therapeutic tool connected to the front end of the guide member body can be oscillated in any arbitrary direction.

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