COMPOSITE ELASTIC MATERIAL

Title:

COMPOSITE ELASTIC MATERIAL

Document Type and Number:

WIPO Patent Application WO2001067984

Kind Code:

A3

Abstract:

A composite elastic material useful for prosthetic applications is constituted of at least one cured silicone elastomer layer (12) containing silicone oil and hollow microspheres (28) dispersed throughout the elastomer layer (12). An elasticized fabric layer (14) may be intimately bonded to one side of the silicone elastomer layer (12) and the composite elastic material may be incorporated in various prosthetic appliances, including suction liners and sealing sleeves. When used in a suction liner, the composite elastic material may be molded to provide a thicker anterior wall (50) and a thinner posterior wall (54) with a smooth transition between the anterior and posterior walls. The composite elastic material covered with an elasticized fabric may be used as a sealing sleeve between a prosthetic device and a residual limb. The composite elastic material may contain one or more skin treating agents blended into the silicone elastomer.

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Inventors:

JANUSSON HILMAR
THORSTEINSSON FREYGAROUR
ASGEIRSSON SIGUROUR A
EINARSSON PALMI

Application Number:

PCT/US2001/005805

Publication Date:

February 21, 2002

Filing Date:

March 14, 2001

Export Citation:

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Assignee:

OSSUR HF (IS)
OSSUR INC (US)

International Classes:

A61F2/50; A61F2/78; A61F2/80; A61L27/18; A61L27/44; B29C43/18; B29C43/36; B29C70/44; B29C70/46; B29D23/00; A61F2/00; B29C35/02; B29C49/02; (IPC1-7): A61F2/78; B32B27/04; B32B27/12

Foreign References:

US3634136A	1972-01-11
US4923474A	1990-05-08
US5507834A	1996-04-16
US5830237A	1998-11-03
US5571208A	1996-11-05
US6183766B1	2001-02-06

Other References: