Prophylactic device and method
AssigneeOrtho Pharmaceutical Corporation
InventorsManfred F. Dyck, Walter A. Haine
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Abstract
A prophylactic or contraceptive device made from a thermoplastic polyurethane material having a generally cylindrical configuration with a closed end.
Claims7
The method of preparing a prophylactic device comprising a thin body of substantially homogeneous elastomeric theremoplastic polyurethane material having a substantially cylindrical principal portion which is closed at one end, said cylindrical portion providing a wall of substantially uniform thickness, which method comprises deforming a sheet of a thermoplastic polyurethane elastomer with a preformed mandril at an elevated temperature, whereby said polyurethane elastomer assumes the shape of said mandril forming a polyurethane prophylactic device having a substantially cylindrical principal portion and a wall of substantially uniform thickness.
Dependencies are inferred from the claim text.