ORTHOPEDIC CASTS

Orthopedic casts which comprise a casting polymer of melting point Tm which is preferably from 40 to 60 DEG C. The casting polymer is preferably coated onto an elastically deformed fabric, so that the cast recovers when heated to a temperature above Tm. The cast preferably has an air flow permeabili...

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Bibliographic Details
Main Authors YOON, VALENTINE, Y, KAMP, DAVID, A, SCHMITT, EDWARD, E, GREENE, LAWRENCE, C, STEWART, RAY, F, ROSS, THOMAS, W, LARSON, ANDREW, W
Format Patent
LanguageEnglish
French
German
Published 08.08.2001
Edition7
Subjects
BANDAGES, DRESSINGS OR ABSORBENT PADS
CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
DIAGNOSIS
DISINFECTION, STERILISATION, OR DEODORISATION OF AIR
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES
MEDICAL OR VETERINARY SCIENCE
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PROSTHESES
SURGERY
TREATMENT OR PROTECTION OF EYES OR EARS
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Summary:Orthopedic casts which comprise a casting polymer of melting point Tm which is preferably from 40 to 60 DEG C. The casting polymer is preferably coated onto an elastically deformed fabric, so that the cast recovers when heated to a temperature above Tm. The cast preferably has an air flow permeability of 10 to 35 % resulting from the presence of apertures of area 0.01 to 0.08 cm , so that it can be rapidly heated by means of a hot air gun. Preferred casting polymers comprise a side chain crystallizable (SCC) polymer, particularly one containing units derived from styrene or another high Tg monomer. The addition of certain other polymers, e.g. an ethylene/vinyl acetate copolymer, and/or certain inorganic fillers, e.g. calcium carbonate, wollastonite and talc, results in improved balance of tensile strength and elongation.
Bibliography:Application Number: EP19930910849