Bibliographic data

Document CA000001332099C (Pages: 0 )

Bibliographic data Document CA000001332099C (Pages: 0 )
INID Criterion Field Contents
54 Title TI [EN] HYDRAULIC CONTROLLER, ESPECIALLY FOR THE MOVEMENT OF A PROSTHETIC JOINT
[FR] REGULATEUR HYDRAULIQUE, NOTAMMENT POUR LE MOUVEMENT D'UNE ARTICULATION PROSTHETIQUE
71/73 Applicant/owner PA BOCK ORTHOPAED IND, DE
72 Inventor IN HORVATH EDUARD, AT
22/96 Application date AD Oct 28, 1988
21 Application number AN 581672
Country of application AC CA
Publication date PUB Sep 27, 1994
33
31
32		 Priority data PRC
PRN
PRD		 AT
286487
19871030
51 IPC main class ICM A61F 2/74
51 IPC secondary class ICS
IPC additional class ICA
IPC index class ICI
Cooperative patent classification CPC A61F 2/68
A61F 2/74
A61F 2/748
F16F 9/44
G05B 11/60
MCD main class MCM A61F 2/74 (2006.01)
MCD secondary class MCS A61F 2/68 (2006.01)
B25J 17/00 (2006.01)
F16F 9/44 (2006.01)
G05B 11/60 (2006.01)
MCD additional class MCA
57 Abstract AB [EN] A hydraulic controller for the motion of the prosthetic joint comprises a piston-and-cylinder unit whose working chambers on opposite sides of the piston are connected to each other by a connecting passage and to a compensating chamber which stores a volume of hydraulic fluid to compensate for the difference in the volumes of the cylinder chambers resulting from the fact that the piston rod passes through one of them. Regardless of the direction of movement of the piston in the cylinder, utilizing checkvalves and adjustable throttle elements, the flow is controlled between the chambers so the separate throttle elements can effectively control the opposite movements while checkvalves permit filling of chambers.
56 Cited documents identified in the search CT
56 Cited documents indicated by the applicant CT
56 Cited non-patent literature identified in the search CTNP
56 Cited non-patent literature indicated by the applicant CTNP
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