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Class 606/2.5 - Lithotripsy


Subclass of Class 606 - Surgery
Definition: Subject matter for fragmenting a calculus or stone (e.g.,
No. of patents: 55
Last issue date: 01/24/2012


  2  
NumberTitleIssue Date
5059200Laser lithotripsy
A laser lithotriptor includes a laser adapted to emit pulsed light which is absorbed by water in the vicinity of a human stone or concrement to cause rapid erosion of the stone. A light transmitting device such as a fibreoptic cable is employed inside of ...
10/22/1991
5041121Shock wave generator
A shock wave generator for the fragmentation of concrements, having a light-pulse-transmiting light guide and a converter arranged at the distal light guide end and having an ionization surface which, when a light pulse impinges, initiates a shock wave in...
08/20/1991
5009658Dual frequency laser lithotripter
Method and apparatus are provided for laser lithotripsy by subjecting calcified matter in the mammalian body, especially the human body, to two spatially and temporally overlapping pulsed laser light beams in the 300-450 and 600-900 nanometer wavelength r...
04/23/1991
4997435Percutaneous catheter with encapsulating receptacle
A percutaneous catheter with encapsulating receptacle comprises a first catheter having a proximal and distal end, several struts attached to the distal end of the first catheter and extending distally therefrom in a cup-shaped form, a second, inner cathe...
03/05/1991
4968314Surgical apparatus
Surgical apparatus which includes a waveguide, for example an optical fibre, through which laser energy is applied to tissues for such purposes as ablation of atheroma, destruction of calculi and lithotripsy. The optical fiber is provided with an end-piec...
11/06/1990
4960108Laser-induced shockwave lithotripsy
Improved laser-induced shockwave lithotripsy in which pulsed laser radiation situated in the infrared region is concentrated by means of an optical wave guide at a concrement to be destroyed which is surrounded with an aqueous rinsing liquid. The concreme...
10/02/1990
4939336Method and apparatus for material processing with the aid of a laser
In a method and an apparatus for material processing with the aid of a laser the laser light is directed via a laser optical system onto the material and the light reemitted or scattered back by the material is conducted via the laser optical system onto ...
07/03/1990
4932954Apparatus for fragmentation of a solid body surrounded by a fluid
An apparatus for the fragmentation of a solid body surrounded by a fluid, in particular in a living being, by means of acoustic shock waves which are induced by the light of a laser. A reflector for acoustic waves focuses the shock waves onto the body. In...
06/12/1990
4927426Catheter device
A catheter device for capturing and holding kidney stones and the like wherein the catheter is an elongated tube having a cuff portion disposed on one end thereof capable of being collapsed axially inwardly into the tube and a snare disposed and axially m...
05/22/1990
4893614Apparatus for disintegrating a calculus by an underwater shock wave from outside the human body
An apparatus for disintegrating a calculus in the human body by an underwater shock wave produced outside the human body. The apparatus includes a shock wave generation chamber having an inner surface in the shape of a part of a pseudo-ellipsoid of revolu...
01/16/1990
4887600Use of lasers to break down objects
Calculi, stones, calcified tissue and other material are broken down for removal from within a body using laser pulses that are delivered via an optical fiber and have a wavelength, intensity, energy per pulse and pulse duration selected to break down the...
12/19/1989
4682594Probe-and-fire lasers
Method and apparatus of irradiating a treatment area within a body includes introducing elongated flexible radiation transfer conduit (fiberoptic arrays) into the body cavity with the distal end thereof operatively opposite the treatment area. At the othe...
07/28/1987
4641650Probe-and-fire lasers
Method and apparatus of irradiating a treatment area within a body includes introducing elongated flexible radiation transfer conduit (fiberoptic arrays) into the body cavity with the distal end thereof operatively opposite the treatment area. At the othe...
02/10/1987
4608979Apparatus for the noninvasive shock fragmentation of renal calculi
Concretions, such as kidney stones, are nonsurgically fragmented by apparatus which produces focused shock waves. A truncated ellipsoidal reflector is positioned against the patient such that one focus thereof is coincident with the concretion. The reflec...
09/02/1986
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