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Prosthetic ankle and foot combination
专利权人:
Mir Saeed Zahedi;Stephen Terry Lang;Andrew John Sykes;Graham Harris;Fadi Abimosleh;David Moser
发明人:
David Moser,Fadi Abimosleh,Mir Saeed Zahedi,Graham Harris,Stephen Terry Lang,Andrew John Sykes
申请号:
US13150694
公开号:
US09132023B2
申请日:
2011.06.01
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A prosthetic ankle and foot combination has an ankle joint mechanism constructed to allow damped rotational movement of a foot component relative to a shin component. The mechanism provides a continuous hydraulically damped range of ankle motion during walking with dynamically variable damping resistances, and with independent variation of damping resistances in the plantar-flexion and dorsi-flexion directions. The mechanism also provides for adjustment of a second piston element with respect to a shin component when a first valve is closed and a locking valve is open to adjust a reference angular position independently of the damping function that occurs during walking. An electronic control system coupled to the ankle joint mechanism includes at least one sensor for generating signals indicative of a kinetic or kinematic parameter of locomotion, the mechanism and the control system being arranged such that the damping resistances effective over the range of motion of the ankle are adapted automatically in response to such signals. Single and dual piston hydraulic damping arrangements are disclosed, including arrangements allowing independent heel-height adjustment.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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