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5468214 |
Therapy apparatus for treatment with acoustic waves
A therapy apparatus for treating a subject with acoustic waves has a source of acoustic waves which is adjustable in at least one degree of freedom. The apparatus includes at least one further...
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5454809 |
Electrosurgical catheter and method for resolving atherosclerotic plaque by radio frequency sparking
A method, and device utilized to practice it, for the resolution of tissue by radio frequency sparking. The device of the present invention having a distal end which is insertable within and along...
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5450848 |
Shockwave generating system capable of displaying shockwave effective region
In a shockwave generating apparatus, a shockwave effective region pattern is displayed on a B-mode ultrasonic tomographic image of a biological body under superimposition state. The shockwave...
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5448994 |
Apparatus for performing medical treatment by using electroacoustic transducer element
An acoustic medical treatment apparatus using electroacoustic transducer elements. The apparatus includes a concave transducer for causing divided partial transducers to generate strong ultrasonic...
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5443069 |
Therapeutic ultrasound applicator for the urogenital region
An ultrasound applicator for the urogenital region, particularly for treating benign prostate hyperplasia, emits ultrasound waves focused onto a working region lying on the working axis of the...
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5435304 |
Method and apparatus for therapeutic treatment with focussed acoustic waves switchable between a locating mode and a therapy mode
A therapy apparatus for treatment with focused acoustic waves which has a source of focused acoustic waves, an acoustic receiver for the reception of parts of the acoustic waves reflected from a...
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5435311 |
Ultrasound therapeutic system
In an ultrasound therapeutic system provided with an ultrasound transmitter having a focusing mechanism and a plurality of groups of ultrasound transmitters/receivers, each of which has a...
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5431621 |
Process and device of an anatomic anomaly by means of elastic waves, with tracking of the target and automatic triggering of the shootings
A Process and device of location and destruction of an anatomic target includes the periodic emission of a focused treatment beam of elastic waves and an echographic image of the target formed in...
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5429136 |
Imaging atherectomy apparatus
An atherectomy catheter having ultrasound imaging capability provided by an acoustic transducer disposed within a catheter housing which includes a circular cutting edge for removal of stenotic...
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5423838 |
Atherectomy catheter and related components
An atherectomy catheter includes a catheter shaft having three lumens. The central lumen supports a central wire on which is mounted a shell-shaped cutter. The cutter is exposed to the exterior of...
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RE34964 |
Shock wave treatment apparatus
A shock wave treatment apparatus has a shock wave applicator including a shock wave transducer for forming a focusing region of a shock wave for destroying an object to be destroyed in an object to...
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5419335 |
Acoustic lens
An acoustic lens having a variable focal length for employment in an acoustic propagation medium has two lens walls, namely an entry wall and an exit wall at least one lens wall being deformable...
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5419327 |
Acoustic therapy means
A therapy system for treatment of a subject with focused acoustic waves has a source of focused acoustic waves, equipment for displacing the focus none of the focused acoustic waves and the subject...
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5411026 |
Method and apparatus for lesion position verification
A method and apparatus for verifying the position of a lesion in a patient's body compares the location of the lesion in CT slices with the position of the lesion in ultrasound images taken while...
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5411027 |
Equipment and method for treating circulatory arrest
Apparatus for treatment of circulatory arrest includes a manually operated ultrasound probe (1) for localizing and puncture of a superficial artery (2) with a cannula (8) by which, subsequently, a...
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5409002 |
Treatment system with localization
A system having improved localization and wave generation apparatus for treatment of an area in the body of a patient. The system comprises a prelocation system allowing for initial localization of...
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5401237 |
Blood processing for treating blood disease
A method and an apparatus for an effective chemical treatment of a blood disease apply a drug of a wider range with a smaller dose or lower concentration to the blood outside the patient's body....
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5398690 |
Slaved biopsy device, analysis apparatus, and process
A computer controlled rectal biopsy probe is employed to receive an ultrasonic signal from an ultrasonic transmitter which may be carried by a prior art urethral examination and mapping probe. The...
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5391140 |
Therapy apparatus for locating and treating a zone in the body of a life form with acoustic waves
A therapy apparatus for locating and treating a zone in the body of a living subject with focused, therapeutic ultrasound waves having a first frequency includes an ultrasound locating system which...
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5390678 |
Method and device for measuring ultrasonic activity in an ultrasound delivery system
A device for measuring ultrasonic activity in an ultrasound delivery system has a sensor for providing an output representative of a sensed ultrasound vibration level, an indicator for receiving...
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5388581 |
Extracorporeal therapy apparatus
The therapy apparatus described for treating concretions and tissue in the body of a patient by means of sound waves comprises a sound wave generator and an available X-ray device for locating an...
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5385148 |
Cardiac imaging and ablation catheter
Method and apparatus for ablation of cardiac tissue includes a catheter (2, 60) having an elongated flexible body (6, 64), a tissue characterization assembly including a transducer (34) at the...
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5383455 |
Apparatus for the generation of focussed acoustic pressure or shock waves for therapeutical applications with an x-ray locating device
An apparatus for destroying a concretion in a patient with focussed pressure waves includes a pressure wave source for generating focussed pressure waves focussed at a pressure wave focal point for...
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5383459 |
Ultrasonic therapy apparatus
An ultrasonic treatment apparatus has an applicator for generating ultrasound for an object to be treated, an ultrasonic probe arranged in the applicator for acquiring tomographic image information...
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5381792 |
Shock wave curing apparatus capable of correcting phase shifts contained in echo signals
In a shock wave generating apparatus, phase shifts contained in echo signals reflected from a calculus are corrected in order to clearly judge whether or not such a calculus is actually present at...
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5377683 |
Ultrasound-laser surgery apparatus and method
A catheter having an ultrasound transducer and associated electrically wiring conducted through a sidewall thereof and a plurality of optical fibers provided in the lumen of the catheter for...
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5374236 |
Electromagnetic pressure pulse source
An electromagnetic pressure pulse source for generating focused pressure pulses as an electrically conductive membrane and a coil system which drives the membrane by rapidly displacing the membrane...
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5370120 |
Ultrasound imaging apparatus
An ultrasound imaging apparatus employs an ultrasound sensor arrangement formed by an at least two-dimensional sensor matrix and an imaging lens to generate signals which are used to calculate a...
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5368034 |
Method and apparatus for thrombolytic therapy
A method and system for facilitating thrombolytic therapy includes a perfusion tube, in the form of an infusion guidewire or catheter, for delivering a lytic agent at a thrombosis. The perfusion...
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5358466 |
Apparatus for destroying a calculus
An apparatus for destroying a calculus includes an ultrasonic wave generating unit capable of setting a plurality of piezo-electric devices in a drive/reception mode by phase control, a peak value...
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5357805 |
Pressure measurement apparatus for inspecting therapeutic energy waves
This invention relates to a pressure measurement apparatus for inspecting therapentic energy waves, e.g. shock waves or ultrasonic waves. The pressure measurement apparatus for inspecting focal...
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5353796 |
Non-invasive device and method for grading meat
A non-invasive apparatus and method for measuring fat thickness or content and muscle depth or area parameters grading meat and animals are disclosed. The device includes an ultrasonic transducer...
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5345940 |
Transvascular ultrasound hemodynamic and interventional catheter and method
A self contained ultrasound device for the delivery of therapeutic and other types of tools to be visualized in an ultrasound-type environment within the blood before, during, and after an...
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5329928 |
Reflected shockwave shielding device
An extracorporeal lithotripter has an ultrasound transducer mounted within the lithotripter reflector. The reflector and transducer are oriented downwardly, and a housing surrounds the transducer...
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5325860 |
Ultrasonic and interventional catheter and method
A catheter having a catheter body with a proximal and distal end. The catheter including an ultrasonic transducer proximate its distal end. An access port being provided in the catheter for...
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5323781 |
Methods for the diagnosis and ablation treatment of ventricular tachycardia
A closed-heart method for treating ventricular tachycardia in a myocardial infarct patient afflicted with ventricular tachycardia is disclosed. The method comprises, first, defining a thin layer of...
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5316000 |
Use of at least one composite piezoelectric transducer in the manufacture of an ultrasonic therapy apparatus for applying therapy, in a body zone, in particular to concretions, to tissue, or to bones, of a living being and method of ultrasonic therapy
The invention relates to a composite piezoelectric transducer for making an acoustic or an ultrasonic therapeutic apparatus. The transducer may be a single large-size transducer or it may be a...
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5315986 |
Apparatus for real-time tracking and imaging of objects within the body of a mammal
The invention relates to an apparatus for a real-time tracking and imaging of objects. The apparatus comprises of a real-time image forming device, a device for coupling the image forming device...
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5311869 |
Method and apparatus for ultrasonic wave treatment in which medical progress may be evaluated
A method and an apparatus for an ultrasonic wave medical treatment in which it is possible to cheek the effect of the treatment in the course of the treatment, while executing the treatment process...
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5309898 |
Ultrasonic bone-therapy and assessment apparatus and method
Non-invasive therapeutic treatment and/or quantitative evaluation of bone tissue are performed in vivo, by subjecting bone to an ultrasonic acoustic signal pulse of finite duration, and involving a...
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5309897 |
Apparatus for generating acoustic rarefaction pulses
An apparatus for generating acoustic rarefaction pulses, i.e., a negative pressure pulse, has a pressure pulse source and reflector having a negative reflection factor, and an acoustic propagation...
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5307816 |
Thrombus resolving treatment apparatus
A thrombus resolving treatment apparatus of this invention has an ultrasonic radiator for radiating a therapeutic ultrasonic wave to a thrombus portion, an ultrasonic probe for obtaining B mode...
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5305731 |
Apparatus for generating acoustic wave having a liquid lens with an adjustable focal length
A generator for acoustic waves has a source of acoustic waves with which acoustic waves can be introduced into an acoustic propagation medium and a liquid lens having a variable focal length which...
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5301659 |
Extracorporeal shockwave lithotripter
An extracorporeal lithotripter has a base mounted on wheels for movement about a floor or the like. There is an upright extensible support on the base caring a horizontal extensible support. The...
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5301660 |
Therapy apparatus for treating a subject with focused acoustic waves
A therapy apparatus for treating a patient with focused acoustic waves has a source of focused acoustic waves which converge in a focus zone, and a locating system for locating a therapeutically...
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5295484 |
Apparatus and method for intra-cardiac ablation of arrhythmias
The present invention employs ultrasonic energy delivered to myocardial tissue at frequencies sufficient to destroy the myocardial tissue implicated in the arrhythmic. More specifically, the...
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5295483 |
Locating target in human body
Apparatus and methods are provided for locating a target in a living body. Three cameras are supported at an elevated location such as on a wall or from a ceiling. The cameras are supplied as an...
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5287856 |
Focal range locating system for lithotrity
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...
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5284143 |
Apparatus for treating bone pathologies with acoustic energy
An apparatus for treating bone pathologies with acoustic waves includes a source of focused acoustic waves, a system for displacing the focus of the acoustic waves, and a system for locating the...
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5275166 |
Method and apparatus for performing ultrasonic assisted surgical procedures
Ultrasonic sensing systems are incorporated into surgical instruments to monitor operational fields defined by distal ends of the instruments. The instruments include proximal ends for their...
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