Patent ID: 7056304

Claim:
Medical instrument comprising a housing, at least one valve body secured to the housing, a hollow instrument canal that is configured in the housing, the housing having an end wall with an outer surface, the outer surface of the end wall having an at least partially annular groove therein and an opening that can be closed by the valve body, which is pivotable into an open position by an instrument inserted into the instrument canal, and a bendable wire spring with an at least partially annular section corresponding to the at least partially annular groove in the outer surface of the end wall, wherein the annular section of the bendable wire spring is disposed in the corresponding annular groove in the outer surface of the end wall to secure the valve body to the housing, wherein the valve body is configured as a flap comprising non-bendable material mounted on the housing by the bendable wire spring so as to be pivotable and pre-tensioned in the closed direction.