| Patent Number |
Title Of Patent |
Date Issued |
| 6408614 |
High-power pressure wave source |
June 25, 2002 |
| High-power pressure wave source for generating pressure waves that can be repeated by igniting a combustible fluid mixture and by increasing its rate of combustion up to detonation. The high-performance pressure wave source has a channel, which expands toward one of its ends and forms a |
| 5941838 |
Shock wave source based on the electromagnetic principle |
August 24, 1999 |
| Shock wave source based on the electromagnetic principle with defined focusing, with an electrically conductive, three-dimensionally curved membrane, with a coil, which is located adjacent thereto and to which current pulses can be admitted. A switchable electric connection is provid |
| 5347997 |
Curved guiding of a lithotripsy head |
September 20, 1994 |
| Guiding for a therapeutic head for a medical shock wave generator includes a curved rail and a support for a plurality of rollers; the rail is provided with a plurality of grooves, and stainless steel wires are inserted in these grooves and project therefrom to serve as tracks in that |
| 5287856 |
Focal range locating system for lithotrity |
February 22, 1994 |
| This invention relates to a system for locating the focal range for extracorporeal shockwave lithotrity. Motion in the patient's body induced by the shockwaves are detected by a comparison of several ultrasonic B-scan-images taken with a time delay. The detected processes of motion a |
| 5174280 |
Shockwave source |
December 29, 1992 |
| A shockwave source and generating device includes a ring shaped or cylindrical wave generator having a central axis for radiating shockwaves in an axial direction or radially towards a parabolic reflector so that any yet unreflected radiation from the generator is intercepted by the |
| 5119801 |
Piezoelectric shock wave generator |
June 9, 1992 |
| A piezoelectric shock wave generator for use in medical equipment includes a plurality of piezoelectric elements being electrically interconnected to operate in parallel and mounted on a common carrier of curved configuration; a coupler medium couples shock waves as generated by these |
| 5078124 |
Lithotripter kinematics |
January 7, 1992 |
| A lithotripter includes a therapeutic head with a source for the production and focusing of shockwaves into the body of a patient and is mounted such that a center axis of the head is forced to move and remain on the surface of a cone whose apex point coincides with the focus of the ther |
| 5070861 |
X-ray sighting for aiming lithotripter |
December 10, 1991 |
| A lithotripter has a source for focussed shockwaves and an X-ray device which is mounted for relative displacement and positioning in relation to that source of shockwaves; an improvement includes a device for aiming and sighting in cooperation with the X-ray equipment that includes a ca |
| 4998528 |
Triggering therapeutic shock waves |
March 12, 1991 |
| The production of shock-waves is triggered by using the cushion that couples acoustically and, incidentally physically, a shock-wave generator to the body of a living being; any pressure variations in the cushion are detected at a particular phase and used for triggering the generation o |
| 4940050 |
Device for ensuring the proper positioning of electrodes in a lithotripter |
July 10, 1990 |
| In an arrangement for the generation and focussing of shock waves for purposes of comminution of concrements, wherein the generation is provided by a pair of electrodes, and the focussing is provided by a rotational ellipsoid; the electrodes extend from a sleeve being inserted in the bod |
| 4938232 |
Coupling a membrane to the skin of a human being |
July 3, 1990 |
| A membrane is coupled to the skin of a human being, there being a gel layer provided between the membrane and the skin, the apparatus comprises a wiping structure movably mounted in a frame, one side of the membrane facing away from the skin and locally and progressively the membrane is |
| 4924858 |
Electromagnetic shockwave generator transducer |
May 15, 1990 |
| A transducer to be used in a shock wave generator including a support, at least one energizing coil mounted on the support; at least one, preferably two copper or silver membranes are placed on the coil and insulated from each other; an outer, stainless steel membrane is grounded and an |
| 4809682 |
Underwater electrodes for contactless lithotripsy |
March 7, 1989 |
| An underwater electrodes assembly for contactless lithotripsy is suggested wherein two electrodes have tips facing each other across a narrow gap and at least one, preferably both, electrodes are surrounded by sleeves or rings made of a dielectric material, such as a thermoplastic. |
| 4805600 |
Coupling the body of a patient to a membrane |
February 21, 1989 |
| The body of a patient is gaplessly coupled to the membrane of therapeutic equipment through a gel layer; a gel releasing bag is placed upon the membrane and the membrane is moved towards the body; subsequently, the bag is removed from the gap that forms between the skin of the patient an |
| 4802525 |
Removing a casting from a mold |
February 7, 1989 |
| A mold or parts of the mold are removed from a casting following solidification and cooling by immersing the casting with mold or mold particles still attached in a liquid such as oil or water and focusing shock waves onto interface portions to obtain ablation and spalling of the mol |
