Patent ID: 6051293
Filing Date: 2000-04-18
Classification: A61B,G01K,Y10T

Abstract:
A protective sheath comprising:a top end;a base end including an insertion opening for a probe;said sheath being mounted on a support;a flat lower cover portion abutting against the support and being wholly or partially fixed at its edge zone to the support in a way so that the lower cover portion is detachably mounted to said support;a flat upper cover portion abutting loosely against said lower cover portion and being congruent in form with said lower cover portion except at the insertion opening, said lower cover portion at the insertion opening not being covered by the upper cover portion thereby forming a free flap, said lower cover portion being fixed to the upper cover portion at its border zonea chamber disposed at the top end of the sheath, the chamber being accessible from the base end side, the chamber being filled with a liquid or gelatinous contact material, the chamber being formed by a transverse connection of the upper and the lower cover portions, the transverse connection being formed so that it is opened upon insertion of a probe into the sheath.