Process for making prosthetic limbs

Claim 1

A PROCESS FOR THE PRODUCTION OF SMOOTH SURFACED POROUS LAMINATED PROSTHETIC LIMBS COMPRISING THE STEPS OF VESTING A STUMP MODEL FORM WITH AN INNER COATING OF POLYVINYL ALCOHOL; FURTHER VESTING SAID STUMP MODEL FORM WITH A PLURALITY OF STOCKINET SLEEVES; FITTING SAID STOCKINET COVERED STUMP MODEL FORM WITH A TRUNCAED SUBSTANTIALLY CONE SHAPED LIMB FORM OF A LAMINATING RELEASE MATERIAL, SAID LIMB FORM OVERLAPPING SAID STOCKINET COVERED STUMP MODEL FORM; DRAWING A PLURALITY OF STOCKINET LIMB SLEEVES OVER SAID LIMB FORM AND SAID STUMP MODEL FORM; IMPREGNATING THE PORTION OF SAID LIMB SLEEVES IMMEDIATELY COVERING SAID LIMB FORM WITH AN EPOXY RESIN MIXTURE CONTAINING A CURING AGENT FOR SAID RESIN AND A SOLVENT SELECTED FROM A GROUP CONSISTING OF TOLUENE, XYLENE, ACETONE, METHYL-ISOBUTYL KETONE, BENZENE, METHYL-ETHYL KETONE, TRICHLOROETHYLENE, CARBON TETRACHLORIDE, PERCHLOROETHYLENE, METHYL ALCOHOL, ISOPROPYL ALCOHOL, CHLOROFORM, AND 1,1,2-TRICHLOROETHANE; CURING SAID EPOXY RESIN; REMOVING SAID SLEEVE COATED LIMB FORM FROM SAID SLEEVE COATED STUMP FORM; REMOVING SAID LIMB FORM FROM THE LAMINATE THEREON; POSITIONING A TERMINAL LIMB UNIT AT THE END OF THE LIMB LAMINATE; IMPREGNATING SAID STUMP MODEL FORM COVERING SLEEVES WITH SAID EPOXY RESIN MIXTURE; FITTING SAID CURED LIMB LAMINATE ON SAID SLEEVE COVERED AND IMPREGNATED STUMP MODEL; TYING SAID OVERLAPPING UNIMPREGNATED PORTIONS OF SAID STOCKINET LIMB SLEEVES AROUND SAID STUMP COVERING SLEEVES AT THE BASE OF SID STUMP MODEL; COVERING THE ENTIRE LENGTH OF THE PROSTHETIC WITH AN ADDITIONAL PLURALITY OF SLEEVES OF STOCKINET; TYING THE ENDS OF SAID ADDITIONAL STOCKINET COVERINGS AT BOTH THE PROXIMATE END OF THE PROSTHETIC AND AT THE SAID TERMINAL LIMB UNIT; IMPREGNATING SAID ADDITIONAL STOCKINET SLEEVES WITH SAID EPOXY RESIN MIXTURE; PRECURING SAID ADDITIONAL EPOXY RESIN TO A PARTIALLY GELLED STATE THEREBY EVAPORATING SAID SOLVENT; SNUGLY COVERING THE ENTIRE LAMINATED PROSTHETIC WITH AN OUTER SLEEVE OF POLYVINYL ALCOHOL; CURING SAID EPOXY RESIN; AND REMOVING SAID OUTER POLYVINYL ALCOHOL SLEEVE; SAID STUMP MODEL FORM AND SAID STUMP INNR POLYVINYL ALCOHOL COVERING.