1
Zimmer Hildebrand: Cryoprobe and flexible connector therefor. Dragerwerk, McGlew and Tuttle, October 7, 1975: US3910277 (168 worldwide citation)

A heat insulated flexible connection for a cryoprobe comprises an inner tube for the passage of a cooling medium which is advantageously flexible and arranged within an outer tube portion defining a return flow space for the cooling medium and held in position by axially arranged spacers. The outer ...


2
Zimmer Hildebrand: Cryoprobe. Dragerwerk Aktiengesellschaft, McGlew and Tuttle, October 14, 1975: US3911924 (10 worldwide citation)

A cryoprobe for treating biological tissues, includes a probe having a probe contacting surface which is cooled by cooling means circulated through a probe housing and directed into an evaporation chamber adjacent the surface. The probe includes an ultrasonic observation device in the form of an ult ...


3
Zimmer Hildebrand: Cryoprobe construction. Dragerwerk, McGlew and Tuttle, November 11, 1975: US3918439 (8 worldwide citation)

A cryoprobe particularly for the low temperature treatment of body organs particularly for use in body cavities such as adjacent a bladder comprises an elongated hollow shaft having an interior portion for the conduction of a cooling medium to an outer front probe portion and with an insulation form ...


4
Zimmer Hildebrand: Method and apparatus for the ultrasonic monitoring of calculus smashing.. Philips Patentverwaltung, Philips, May 13, 1987: EP0221592-A2 (4 worldwide citation)

Bei der Ultraschallkontrolle des Behandlungserfolges bei der Zertrümmerung von Gallenstein bereitet die Unterscheidung zwischen Gallenstein und Gallensteintrümmern Schwierigkeiten. Diese werden nach der Erfindung dadurch behoben, dass der Ultraschallwandler (6), mit dem die Ultraschallbeobachtung du ...


5