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Title: Method of making self-cleaning skin-like prosthetic polymer surfaces

An external covering and method of making an external covering for hiding the internal endoskeleton of a mechanical (e.g., prosthetic) device that exhibits skin-like qualities is provided. The external covering generally comprises an internal bulk layer in contact with the endoskeleton of the prosthetic device and an external skin layer disposed about the internal bulk layer. The external skin layer is comprised of a polymer composite with carbon nanotubes embedded therein. The outer surface of the skin layer has multiple cone-shaped projections that provide the external skin layer with superhydrophobicity. The carbon nanotubes are preferably vertically aligned between the inner surface and outer surface of the external skin layer in order to provide the skin layer with the ability to transmit heat. Superhydrophobic powders may optionally be used as part of the polymer composite or applied as a coating to the surface of the skin layer to enhance superhydrophobicity.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1361635
Assignee:
UT-Battelle, LLC ORNL
Patent Number(s):
9,668,884
Application Number:
13/975,434
Contract Number:
AC05-00OR22725
Resource Relation:
Patent File Date: 2013 Aug 26
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Other works cited in this record:

Artificial skin construction
patent, March 1998

Composite, ordered material having sharp surface features
patent, December 2006

Composite, nanostructured, super-hydrophobic material
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Medical device applications of nanostructured surfaces
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Fabrication of high thermal conductivity arrays of carbon nanotubes and their composites
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ALIGNED CARBON NANOTUBE-POLYMER MATERIALS, SYSTEMS AND METHODS
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FINGER AND HAND PROSTHESIS
patent-application, January 2009

Superhydrophilic and Superhydrophobic Powder Coated Fabric
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PROSTHETIC FOOT
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