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5005580 |
Destroying wave treatment apparatus
A destroying wave treatment apparatus collects tomogram data before and during the transmission of a destroying wave by a destroying wave applicator. An image processing circuit processes the...
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4991604 |
Ultrasonic treatment apparatus
Apparatus for the detection and destruction by means of ultrasonic shock waves of an object within the body, comprises a transducer operated by a pulse generator for emitting shock waves which are...
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4986259 |
Apparatus and method for disintegrating calculus
This invention relates to an apparatus for disintegrating calculus having a main ultrasonic transducer for emitting a high power ultrasonic shock wave to disintegrate a kidney stone in a patient,...
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4986275 |
Ultrasonic therapy apparatus
An ultrasonic therapy apparatus includes a treating ultrasonic transducer, a driving section, an imaging ultrasonic transducer, a tomographic image forming section, and a position control section....
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4979500 |
Extracorporeal lithotripsy apparatus with transversely adjustable focus region
An extracorporeal lithotripsy apparatus includes a shock waves source which generates shock wave along an acoustic axis in a propagation direction, with the shock waves being caused to converge,...
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4958639 |
Ultrasonic therapeutical apparatus
An ultrasonic therapeutical apparatus observes the interior of a living body utilizing an ultrasonic wave, allows a location signal to be generated on the basis of an output from the observation...
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4957099 |
Shock wave source for extracorporeal lithotripsy
A shock wave source for an extracorporeal lithotripsy system has a number of electro-acoustic transducers arranged in a concave surface, each transducer having an acoustic axis, and the shock wave...
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4955385 |
Ultrasound targeting system for shockwave lithotripsy
A procedure for targeting body cavity stones for shockwave treatment including positioning a target-defining catheter mounted balloon adjacent a stone, inflating the balloon with air, focusing a...
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4942878 |
Localization method and device for determining the degree of fragmentation of stones
The disclosure relates to apparatus for localizing the fragments of stones associated to a lithotrite comprising a spherical focussing cup acting as a power transducer and an auxiliary transducer...
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4936291 |
Concrement locating apparatus utilizing X-rays and ultrasonic detectors
The present invention relates to the locating of concrements in the body of living beings for the purposes of determing where the focal point of a shock wave reflector has to be positioned so that...
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4936281 |
Ultrasonically enhanced RF ablation catheter
An electrosurgical angioplasty catheter with ultrasonic enhancement is described. It comprises an elongated, flexible plastic tubular body having located at its distal tip an electrode structure...
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4932414 |
System of therapeutic ultrasound and real-time ultrasonic scanning
A system is described for obtaining in real-time cross-sectional and 3-dimensional images of a body under study using ultrasonic energy. A piezoelectric transducer is positioned to emit ultrasonic...
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4915114 |
Shock wave source having central locating system & disposed in a cavity free of shock waves
A shock wave source for disintegrating a calculus has a centrally disposed cavity in which a locating system for identifying the position of the calculus is disposed. The shock wave source has an...
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4913156 |
Lithotripsy system having an ultrasonic calculi locator
A calculi locator is provided using an ultrasound transducer in combination with shock wave generator. Various means are provided for assuring coincidence of ultrasound obtained images of the...
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4911170 |
High frequency focused ultrasonic transducer for invasive tissue characterization
A broadband 25 to 50 MHz spherically focused ultrasonic transducer is placed on the tip of a catheter such that ultrasonic images of arteries and plaque are produced by introducing the catheter...
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4896673 |
Method and apparatus for stone localization using ultrasound imaging
The present disclosure relates to a method and apparatus for localizing an object in space, such as a gallstone in a human, using stereo imaging and ultrasound imaging. The localization system is...
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4889122 |
Divergent ultrasound arrays
An ultrasound hyperthermia unit for the treatment of a target tissue, includes an ultrasound transducer array (1) angled to direct sonic energy toward a target (8), wherein the array (1) comprises...
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4887605 |
Laser catheter delivery system for controlled atheroma ablation combining laser angioplasty and intra-arterial ultrasonic imagining
Laser catheter delivery system for controlled ablation of atheroma, combining laser angioplasty and intra-arterial ultrasonic imaging. In laser ablation of atheroma, dosage and directing of the...
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4879993 |
Shock wave source for generating a short initial pressure pulse
A shock wave source has a coil carrier, a planar or concave coil, a membrane consisting of electrically conductive material and a foil consisting of electrically non-conductive material. The...
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4875487 |
Compressional wave hyperthermia treating method and apparatus
A wide bandwidth compressional wave transducer array obtains information concerning tissue of a subject being treated and supplies hyperthermia compressional wave treating energy to a treated...
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4865041 |
Lithotripter having an ultrasound locating system integrated therewith
A lithotripter for disintegrating a calculus in the body of a patient has a shock wave source which generates shock wave pulses which are focussed into coincidence with the calculus by an acoustic...
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4865042 |
Ultrasonic irradiation system
Herein disclosed is a system for irradiating sound waves to be converged into an annular focal zone having a desired size. This system uses a transducer which is composed of a plurality of elements...
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4844079 |
Lithotripter comprising locating apparatus
A lithotripter for treating calculi has a housing formed by a first sub-housing with an opening with a membrane for contacting the patient, a second sub-housing composed of two parts with the first...
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4844081 |
Device for disintegrating kidney stones by means of shock waves
A device for disintegrating kidney stones or gallstones by means of a focusing chamber being part of a rotation ellipsoid and comprising in one focal point a spark gap producing shock waves. Means...
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4841977 |
Ultra-thin acoustic transducer and balloon catheter using same in imaging array subassembly
An array of miniature ultrasound crystals mounted on preassembled subassembly which is, in turn, mounted on a small lumen catheter provides dimensional and other quantitative information relating...
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4834106 |
Lithotripter with locating system integrated therewith and method for its use
A lithotripter for disintegrating a calculus in the body of a patient has a shock wave source which emits shock wave pulses which are focussed to the calculus by an acoustic lens. As seen in the...
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4821729 |
Means and method for the noninvasive fragmentation of body concretions having means for accurately locating a concretion
Apparatus and method for noninvasive fragmentation of body concretions. The apparatus has an integral unit including an ultrasonic locating transducer a relative position determining device, a...
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4821731 |
Acoustic image system and method
An apparatus and method is disclosed for imaging internal features of a living body at a preselected site so that the data can be imaged in a quick, efficient and reliable manner with high...
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4821730 |
Ultrasonic scanner and shock wave generator
A device for spatial location and destruction of concretions in bodily cavities by application of pulsed ultrasonic shock waves generated by a shock wave transducer focussed on the concretion in...
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4803995 |
Ultrasonic lithotrity apparatus
An ultrasonic lithotrity apparatus is held such that its installation position can be adjusted with respect to a stone formed in a living body, and has an ultrasonic lithotrity transducer for...
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4794931 |
Catheter apparatus, system and method for intravascular two-dimensional ultrasonography
Ultrasonic apparatus, system and method for high resolution intravascular imaging to assist indovascular lesions and to monitor the results of interventional therapy. An ultrasonic transducer is...
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4787394 |
Ultrasound therapy apparatus
An ultrasound therapy apparatus having an applicator. The applicator comprises at least one ultrasonic beam emitter, at least two ultrasonic transducers, and a support member. The beam emitter...
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4779624 |
Ultrasonic endoscope
This invention relates to an ultrasonic endoscope which includes a manipulating portion coupled to a light source device and an ultrasonic observation apparatus through a universal cord, an...
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4757820 |
Ultrasound therapy system
An ultrasound therapy system comprises an annular array ultrasound transducer, a mechanical driver, a transmitter/receiver, and a controller. The controller includes an imaging controller, a...
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4689986 |
Variable frequency gas-bubble-manipulating apparatus and method
A system for detecting gas bubbles in a specimen utilizes a transducer which produces pulses, illustratively of ultrasonic acoustic energy, having predetermined frequency characteristics. A first...
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4669483 |
Lithotripsy system having locating and orienting apparatus
An improved shockwave lithotripsy system includes a movable patient support carriage having a shock wave generator and focussing device mounted thereto, along with an indexing reference. An...
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4620546 |
Ultrasound hyperthermia apparatus
An ultrasound hyperthermia apparatus has a tomographic ultrasound probe for obtaining a tomographic image and a heating applicator for heating a tumor portion. A position detector is provided to...
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4589419 |
Catheter for treating arterial occlusion
The cardiac catheter of this invention combines in a single, thin tube, an acoustic transducer for determining blood flow velocity, and a separate lumen with a removable, flexible, radio-opaque...
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4587972 |
Device for diagnostic and therapeutic intravascular intervention
A device for imaging and removing obstructions from blood vessels and the like having a flexible tubular housing dimensioned for insertion within a blood vessel; a fiberoptic bundle adapted to...
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4576177 |
Catheter for removing arteriosclerotic plaque
An apparatus and method for identifying and removing arteriosclerotic plaque deposits from blood vessels is disclosed. The apparatus comprises a catheter having an optical fiber for transmitting...
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4484569 |
Ultrasonic diagnostic and therapeutic transducer assembly and method for using
An ultrasonic transducer assembly is provided with transducers for both therapeutic and diagnostic ultrasonic radiation. A moveable seal permits adjustment and alignment of the two transducer units...
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4315514 |
Method and apparatus for selective cell destruction
Method for destroying selected cells in a host without damage to non-selected cells comprises selecting a transmission path from an energy source (12) to the selected cells (30); determining one or...
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3951140 |
Ultrasonic therapy apparatus and method
An ultrasonic apparatus is used for diagnosis and therapy of patients being treated for post-myocardial infarction. The instrument administers treatment prescribed by the physician in response to...
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3425064 |
TRANSDUCER FOR ARTIFICIAL HEART
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3338235 |
Ultrasonic therapeutic device with recording apparatus
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