Patent ID: 9066820
Filing Date: 2015-06-30
Classification: A61F

Abstract:
1. A liner for use as a skin interface between a limb and a prosthetic or orthotic device, the liner comprising: a tubular member adapted to be positioned around a joint and formed from a first cured mass of elastomeric silicone material, the tubular member forming a cavity portion defined along an inner peripheral surface of the liner and extending into a segment short of a wall thickness of the tubular member such that the wall thickness at the cavity is less than at regions immediately adjacent to the cavity; and a tendon having a shape corresponding to the cavity, the tendon attached along and filling the cavity portion such that the will thickness about the cavity surrounds the tendon except for along the inner peripheral surface of the liner, the tendon arranged to urge the tubular member to contract at the cavity portion and form a contracted area, the tendon being formed from a second cured mass of elastomeric silicone material, the tubular member and the tendon forming at least part of the inner peripheral surface of the liner.