Thermoplastic orthopedic devices
AssigneeCassit Orthopedics Ltd.
InventorTamar Ish Cassit
Life of this patent
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Abstract
A formable orthopedic device having at least one first configuration and at least one second configuration, the second configuration being adapted to provide support to at least one limb, the device being made of a thermoplastic polymeric material selected to have an elastic modulus of at least about 1500 MPa when measured according to ASTM D638, a glass transition temperature (Tg) of between about 65° C. and about 120° C., and elongation to break of at least 75% when measured according to ASTM D638, the device being capable to be formed into the second configuration by heating the device to said Tg.
Claims42
A formable orthopedic device having at least one first configuration and at least one second configuration, the at least one second configuration being adapted to provide support to at least one limb, the formable orthopedic device being made of a thermoplastic polymeric material selected to have an elastic modulus of at least about 1500 MPa when measured according to ASTM D638, a glass transition temperature (Tg) of between about 65° C. and about 120° C., and elongation to break of at least 75% when measured according to ASTM D638, the formable orthopedic device being capable to be formed into the second configuration by heating the device to said Tg.
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A method of forming an orthopedic device, the method comprising:
- heating a device having a first configuration to a temperature of between about 65° C. and about 140° C., thus obtaining a malleable pre-formed device, the malleable pre-formed device being made of a thermoplastic polymeric material selected to have an elastic modulus of at least about 1500 MPa when measured according to ASTM D638, a glass transition temperature (Tg) of between about 65° C. and about 120° C., and elongation to break of at least 75% when measured according to ASTM D638;
- bringing the malleable pre-formed device into direct or indirect contact with a body limb requiring support;
- forming the malleable pre-formed device into a second configuration matching the form of said body limb thus obtaining a malleable formed device;
- and
- permitting the malleable formed device to cool and harden, thus obtaining said orthopedic device.
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Dependencies are inferred from the claim text.