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| Number | Title | Issue Date |
| 4966132 | Remote spark shock wave generator Apparatus is provided for the extracorporeal destruction of kidney stones, and includes an ellipsoidal reflector. The reflector has a first focus point, and a second focus point, the reflector being truncated and the second focus point being disposed beyo... | 10/30/1990 |
| 4930509 | X-ray aiming fixture A lithotripter is provided with an x-ray aiming system. The lithotripter includes an upwardly opening ellipsoidal reflector having a vertical axis. This reflector is supported from a pedestal, and an arm rigid with the pedestal supports a radio opaque dis... | 06/05/1990 |
| 4927427 | Lithotriptor device for trapping and destroying concretions A device is provided for removal of kidney stones. The device includes a stone trapping device on the end of a flexible and axially movable wire. The wire moves through a tubing. An electrode is provided in the form of a cylinder at the outer end of the t... | 05/22/1990 |
| 4905674 | Electrode construction for replacement of worn electrodes in a lithotripter An electrode construction is provided for electrohydraulic shock wave generation such as for extracorporeal kidney stone destruction. The construction includes a reflector adapted to be filled with liquid such as water for coupling to a human body. The re... | 03/06/1990 |
| 4884460 | Device for sensing air flow A venturi device is provided for sensing air flow. The device includes a body having first and second substantially cylindrical end portions interconnected by a wasp-waisted intermediate portion. The end portions are provided with bores which may be of di... | 12/05/1989 |
| 4763652 | Aiming system for kidney stone disintegrator A kidney stone disintegrating system includes a computer-controlled aiming system. The disintegrating system includes a reflector containing water through which the reflector is coupled to a living body having a kidney stone. The reflector is a portion of... | 08/16/1988 |
