Matches 401 - 450 out of 548 < 1 2 3 4 5 6 7 8 9 10 11 >
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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
5273027 Method for dissolving a thickened mass within a living body and dissolving therapeutic apparatus for same  
In the method and dissolving therapeutic apparatus for dissolving a coagulation within a living body, a medicinal liquid for dissolving the coagulation within the living body is injected into the...
5269306 Lithotritor comprising a coupling detector  
A process for detecting the quality of the coupling of a shock wave therapy head of an extracorporal shock wave lithotritor to the patient's body. A comparison is made between an ultrasonic image...
5259384 Ultrasonic bone-assessment apparatus and method  
Non-invasive, quantitative in-vivo ultrasonic evaluation of bone is performed by subjecting bone to an acoustic excitation pulse supplied to one of two transducers on opposite sides of the bone,...
5254112 Device for use in laser angioplasty  
Apparatus for use in removing atherosclerotic plaque deposits in a blood vessel comprises a high power laser, an elongated, flexible catheter adapted to be inserted into and advanced through the...
5251630 Pressure pulse generator having an electromagnetic pressure pulse source  
A pressure pulse generator has an electromagnetic pressure pulse source which includes a coil arrangement for driving an electrically conductive membrane. The coil arrangement is divided into a...
5247924 Shockwave generator using a piezoelectric element  
A shockwave generator is adapted to be coupled to an object through a liquid medium for ultrasound transmission to generate a shockwave in the object. The shockwave generator comprises a...
5246595 Process for degassing a coupling liquid of a pressure wave generator apparatus employing coupling liquid by chemical route, coupling liquid thus treated and shock wave generator using such a coupling liquid  
A process for degassing a coupling liquid is disclosed, comprising adding to said coupling liquid at least one chemical substance readily taking up gas in a sufficient quantity to absorb said gas...
5243985 Lithotrity apparatus having a missed-shot preventive function  
An electromagnetic induction type lithotrity apparatus, having a shock-wave source utilizing electromagnetic induction to generate a shock-wave, and focusing means to focus the shock-wave at a...
5243986 Dissolution of concretions in a bodily cavity  
Apparatus for dissolving concretions within a bodily cavity, for example in the gall bladder, under the action of a solvent fluid applied within the bodily cavity, comprises an ultrasonic...
5241962 Calculus disintegrating apparatus and method with automatic threshold value setting function  
To disintegrate a calculus present within a biological body under medical examination, the following steps are employed: irradiating ultrasonic pulses to an interior region of the biological body...
5240002 Ultrasound transducer shielding  
An extracorporeal lithotripter is provided with an ultrasound transducer on the rotational center line of the reflector and substantially at the open end of the reflector. The transducer is...
5235981 Use of ultrasound for detecting and locating a bony region, method and apparatus for detecting and locating such a bony region by ultrasound  
The invention relates to a method and to apparatus for detecting and locating a bony region by ultrasound. The apparatus comprises at least one ultrasound transducer component mounted on means for...
5233994 Detection of tissue abnormality through blood perfusion differentiation  
A method for accentuating the differences in blood perfusion between normal and tumorous tissue is provided which comprises the steps of measuring the blood perfusion in a local area of the body,...
5230328 Electromagnetic acoustic pressure pulse source  
An electromagnetic acoustic pressure pulse source has a membrane with at least one electrically conductive region, the membrane being disposed for interacting on one side with an acoustic...
5228447 Shockwave generator having an ultrasound applicator shielded from shockwaves  
A shockwave generator for extracorporeal lithotripsy has a housing filled with an acoustic propagation medium, through which shockwaves propagate, and in which an ultrasound applicator is disposed...
5222484 Apparatus for shock wave treatment  
An apparatus for shock wave treatment includes a shock wave transducer with a cup-shaped body and with an X-ray location finding device for finding the location of a bodily concretion or tissue to...
5219401 Apparatus for selective destruction of cells by implosion of gas bubbles  
The invention relates to an apparatus for selective destruction of cells including soft tissues and bones inside a living subject's body. This apparatus is characterized in that it comproses: ...
5215091 Lithotrity apparatus having a missed-shot preventive function  
A lithotrity apparatus of this invention sends a low-pressure wave into a body continuously, at an interval shorter than an irradiating interval predetermined as an irradiating rate of an impulse...
5213102 Shock wave generating apparatus capable of setting moving direction of shock wave generating source to ultrasonic tomographic image plane  
In a shock wave generating apparatus, a focal point marker is automatically made coincident with an image of an article to be disintegrated on a display screen. The shock wave generating apparatus...
5209234 Apparatus for the non-intrusive fragmentation of renal calculi, gallstones or the like  
The apparatus for the non-intrusive fragmentation of renal calculi, gallstones or the like according to the invention comprises at least one ultrasonic receiver-transmitter head (12) focused on the...
5209222 Ultrasonic transducer in lithotripters  
A lithotripter having a shockwave generator having a cavity filled with water, further having an ultrasonic, locating transducer mounted by means of a holding device which includes metallic inner...
5209720 Methods for providing localized therapeutic heat to biological tissues and fluids using gas filled liposomes  
Gas filled liposomes prepared by a vacuum drying gas instillation method and/or gas filled liposomes substantially devoid of liquid in the interior thereof, are presented as novel potentiators for...
5207672 Instrument and method for intraluminally relieving stenosis  
An instrument for and method of effectively treating the prostatic urethra so as to relieve the symptoms associated with an enlarged urethra is disclosed. The tissue of at least selected portions...
5203334 Transducer mounting in lithotripter  
A lithotripter reflector is disclosed which has an ultrasound transducer mounted at the open end of the reflector and on the axis of rotation. The transducer is supported in a brass socket, and a...
5203333 Acoustic wave therapy apparatus  
In an acoustic wave therapy apparatus, irradiation devices for generating acoustic waves for medical treatment are arranged on one side of a holder. A water bag is provided on the one side of the...
5181512 Lithotripter including a holding device for an ultrasound locating transducer  
A lithotripter in general includes a patient's rest, a therapeutic head for the production of shockwaves, an ultrasonic transducer, and a locating arm for moveably mounting the transducer on the...
5178135 Therapeutical apparatus of extracorporeal type  
A therapeutical apparatus includes a measuring apparatus including a probe which generates an X-ray or ultrasonic wave in order to detect the location of a target to be treated such as calculi...
5178148 Method of automatically measuring the volume of a tumor or of a gland, in particular the prostate, a measuring device, and a method and apparatus constituting and application thereof  
The invention relates to a measuring method for automatically measuring the volume of a tumor or of a gland, and also to a measuring device. The measuring device comprises an endocavitary detector...
5178134 Ultrasonic treatment of animals  
To provide ultrasonic treatment of animals, ultrasonic waves in a frequency range of between 15 kilohertz and 100 kilohertz are applied to water in a tube with a power density between 0.1 and 5...
Matches 401 - 450 out of 548 < 1 2 3 4 5 6 7 8 9 10 11 >