| 摘要 |
A stopcock controlling ducts in medical endoscopes passing flux media, comprising a housing made of a hard material and rotatably receiving a conical plug in a conical seat crossed by a duct, said housing subtending in the direction of the axis of rotation and beyond the larger opening of the conical seat a bearing collar which supports a rotary body that is rotatable about the axis of rotation, said rotary body being fitted outside said housing with a handle and being rotationally coupled with the plug and axially displaceable and being biased by a-spring relative to said plug and further being fitted with a radially elastic detent device which in the assembled state of said stopcock is configured inside the housing, said rotary body by means of said detent device acting in locking manner against the spring action on said bearing collar, characterized in that the rotary body is fitted with prefabricated rupture site which following deliberate rupture shall expose the snap-in device.
|
