Hitachi Medical Corporation

Tokyo University of Science

Makoto Konami

Taisuke Matsushita

Kazuaki Hiramatsu

Katsuhiro Kuroda

Hiroshi Kobayashi

Yutaka Sato

Masaaki Muromachi

Yutaka Satoh

Shigekazu Suzuki

Kazuo Ooki

Akibiko Toda

Akitaka Uchimura

Provided is a wearable joint driving device in which a plurality of frame members are attached to a wearing body so as to be in contact with the outer surface of the wearing body. Between the frame members, there is mounted a fluid pressure type actuator. The fluid pressure type actuator has an expansion/contraction member and a net-like covering member covering the outer periphery of the expansion/contraction member. The fluid pressure type actuator undergoes a reduction in length through expansion of the expansion/contraction member to thereby generate a driving force. The frame members have a predetermined level of rigidity.

Wearable joint driving device

A hydraulic pressure actuator having an inner tube and a mesh sleeve covering the outer periphery of the inner tube and longitudinally extendable by pressure fluid fed into the inner tube, wherein a low friction body formed in an elastic cylindrical body by knitting fine fibers in a circumferential direction without a seam is disposed between the inner tube and the mesh sleeve, and the low friction body contributes to an increase in the life of the hydraulic pressure actuator repeatedly performing extension/retraction motions. The hydraulic pressure actuator is used as an actuator for driving a CPM device which supports the extremity of a human body by ay least one of a plurality of members combined with each other and performs the rehabilitation of the joints of a handicapped by operating the member.

Hydraulic pressure actuator and continuous manual athletic device using the same

Growing community of inventors

Chiba, Japan

Makoto Konami