Patent ID: 9248032
Filing Date: 2016-02-02
CPC Classification: A61F

Claim Text:
1. A suspension liner adapted to provide an interface between a residual limb and a prosthetic socket, the suspension liner comprising: an elongate, generally conical body portion including proximal and distal end areas; and at least one resilient seal element protruding radially from and extending along a segment short of an entire longitudinal length of the body portion at the distal end area of the body portion, the seal element formed from an elastomeric material and fixedly secured to a periphery of the body portion along said segment; a volume control pad located between the body portion and at least a portion of the seal element, the volume control pad arranged to be pressurized so as to distend from the body portion and urge the seal element outwardly from the body portion; and a passageway having a first end in fluid communication with the volume control pad and a second end forming an outlet from the body portion; wherein the volume control pad is arranged in correspondence with and in the proximity of the seal element; wherein the at least one seal element is formed by an outer seal piece fixedly secured to the peripheral circumference of the body portion, the outer seal piece forming a recess into which the volume control pad is configured and dimensioned to fit within.