A medical retrieval device is used to retrieve and/or fragment stones (and/or other objects) from the body of a patient. The device has a retrieval basket with a releasable tip. The tip release is designed to release in a controlled pre-determined manner and under a pre-determined force before any other...http://www.google.de/patents/US20040116941?utm_source=gb-gplus-sharePatent US20040116941 - Retrieval basket with releasable tip
