Patents
Patents for A61B 8 - Diagnosis using ultrasonic, sonic or infrasonic waves (41,493)
09/1991
09/18/1991EP0446645A1 Method and apparatus for ultrasonically probing a prostate
09/17/1991US5050226 Ultrasonic echographic imaging device utilizing an improved adaptive filter
09/17/1991US5049130 System and method for pressure filling of catheters
09/17/1991US5048530 Method of using an amniocentesis needle with improved sonographic visibility
09/17/1991US5048529 Ultrasonic transducer probe
09/11/1991EP0445279A1 Method and device for doppler-guided retrograde catheterization
09/11/1991EP0377571B1 Imaging process and system for transillumination with photon frequency marking
09/10/1991US5046503 Angioplasty autoperfusion catheter flow measurement method and apparatus
09/10/1991US5046500 Doppler flow velocity meter
09/10/1991US5046497 Structure for coupling a guidewire and a catheter
09/05/1991WO1991012823A1 Diagnostic aid
09/04/1991EP0444680A1 Apparatus for performing medical treatment by using electroacoustic transducer element
09/03/1991US5045746 Ultrasound array having trapezoidal oscillator elements and a method and apparatus for the manufacture thereof
09/03/1991US5044370 Probe with bar of piezoelectric elements for ultrasound apparatus
08/1991
08/27/1991USRE33672 Method for measuring characteristics of living tissue by ultrasonic waves
08/27/1991US5042493 Ultrasonic probe and method of manufacturing the same
08/27/1991US5042492 Probe provided with a concave arrangement of piezoelectric elements for ultrasound apparatus
08/27/1991US5042491 Ultrasonic diagnostic apparatus
08/27/1991US5042490 Method for diagnosis of early stage of optic nerve blood supply disturbance
08/27/1991US5042489 Ultrasonic densitometer device and method
08/27/1991US5042486 Catheter locatable with non-ionizing field and method for locating same
08/27/1991US5042303 Apparatus for ultrasound detection
08/27/1991CA1288159C Drive network for an ultrasonic probe
08/22/1991WO1991013369A1 Combined reflection and transmission ultrasonic imaging method and apparatus
08/22/1991CA2051653A1 Combined reflection and transmission ultrasonic imaging method and apparatus
08/21/1991EP0442450A2 Variable origin - variable angle acoustic scanning method and apparatus
08/20/1991US5040537 Method and apparatus for the measurement and medical treatment using an ultrasonic wave
08/15/1991WO1991012093A1 Method and device for generating an ultrasonic wave
08/15/1991CA2075049A1 Method and device for generating and ultrasonic wave
08/14/1991EP0441468A2 Gas-containing microparticles composed of polyaldehydes as contrast agents
08/14/1991EP0441451A1 Echography device for measuring the velocity of moving organs and blood flow with high measurable speed limit
08/14/1991EP0440796A1 Ultrasonic diagnostic apparatus
08/13/1991US5039774 Liquid segment polyurethane gel and couplers for ultrasonic diagnostic probe comprising the same
08/13/1991US5038789 Method and device for doppler-guided retrograde catheterization
08/13/1991US5038788 Ultrasonic Doppler diagnosis apparatus
08/13/1991US5038787 Method and apparatus for analyzing material properties using reflected ultrasound
08/10/1991CA2036107A1 Contrast media synthesized from polyaldehydes
08/08/1991WO1991011146A1 Ultrasonic method and apparatus for determination of vessel location and size
08/07/1991EP0439839A1 Ultrasound calibrator
08/06/1991US5036855 Localization and therapy system for treatment of spatially oriented focal disease
08/01/1991DE4100867A1 Production of orthographic ultrasonic images, for medical diagnosis - using ultrasonic transmission and reception systems including reflex camera arrangement
07/1991
07/30/1991US5035245 Ultrasonic Doppler blood flow velocity detection apparatus
07/24/1991EP0437649A1 Method of ultrasound imaging
07/17/1991EP0436700A1 Ultrasound-laser surgery apparatus and method.
07/16/1991US5032793 NMR gated imaging apparatus
07/16/1991US5031628 Ultrasonic blood velocity detector
07/16/1991US5031627 Method and apparatus for characterizing reflected ultrasonic pulses
07/16/1991US5031626 Extracorporeal lithotripsy apparatus with an ultrasound locating system
07/16/1991US5031625 Received ultrasonic phase matching circuit
07/16/1991US5031620 Image processing apparatus
07/16/1991CA1286368C Doppler catheter
07/11/1991WO1991009629A1 Liposomes as contrast agents for ultrasonic imaging
07/09/1991US5030227 Balloon dilation catheter
07/09/1991US5029588 Laser catheter with imaging capability
07/09/1991US5029587 Ultrasonic diagnostic apparatus for ophthalmology
07/09/1991US5029475 Measuring spatial distribution of spacings between point scatterers
07/03/1991EP0434936A1 Support provided for an ultrasonic diagnostic transducer
07/02/1991US5029016 Medical image filing apparatus and filing method for registering images from a plurality of image output devices in a single examination
07/02/1991US5027822 Echography probe with improved connection circuit
07/02/1991US5027820 Device for the three-dimensional focusing of an ultrasonic beam
07/02/1991US5027659 Ultrasonic imaging device in which electroacoustic transducers are disposed on a convex probe
06/1991
06/27/1991WO1991008706A1 Ultrasonic instrument
06/26/1991EP0433306A1 Ultrasonic endoscope system.
06/25/1991US5025778 Endoscope with potential channels and method of using the same
06/20/1991DE4038104A1 Ascertaining spectral width of Doppler signals - measuring ratio of auto-correlation functions at null and pulse period displacement positions
06/19/1991EP0432771A1 Three-dimensional ultrasonic scanner
06/18/1991US5024651 Atherectomy system with a sleeve
06/18/1991US5024234 Ultrasonic imaging catheter with guidewire channel
06/18/1991US5024233 Apparatus for distribution evaluation of regional lung ventilation
06/12/1991EP0431020A1 Method and apparatus for ultrasonic bone analysis
06/11/1991US5022410 Non-invasive monitoring of cardiac output
06/11/1991US5022401 Apparatus for positioning a measuring element
06/11/1991US5022399 Venoscope
06/11/1991CA2005163A1 Ultrasonic reflex transmission imaging method and apparatus with artifact removal
06/05/1991EP0430450A2 2-D phased array ultrasound imaging system with distributed phasing
06/05/1991EP0430374A1 Measurement display device for physiological parameters of blood flow using ultrasonic echography
06/05/1991EP0430094A1 Method and apparatus for imaging blood flow in a living body
06/05/1991EP0430093A2 Ultrasonic doppler imaging with analog feedback signal canceller
06/05/1991EP0429799A1 Ultrasound imaging method and apparatus
06/04/1991US5020539 Ultrasonic endoscope apparatus
05/1991
05/30/1991WO1991007726A1 Probe-correlated viewing of anatomical image data
05/30/1991WO1991007657A1 Method and apparatus for measurement and imaging of tissue compressibility or compliance
05/29/1991EP0429109A1 Apparatus for treating with acoustic waves and diagnosing a patient
05/28/1991US5018530 Helical-tipped lesion localization needle device and method of using the same
05/28/1991US5018528 Pulse Doppler ultrasonic diagnostic system
05/22/1991EP0425495A4 Ultrasound brain lesioning system
05/21/1991US5016642 Slow motion cardiac imaging
05/21/1991US5016641 Spectral interpolation of ultrasound Doppler signal
05/21/1991CA2260688A1 Probe-correlated viewing of anatomical image data
05/15/1991CA2028634A1 Apparatus for treating with acoustic waves or mechanical vibrations and diagnosing a patient
05/14/1991US5014970 Body member positioner
05/14/1991US5014711 Ultrasonic diagnosis apparatus
05/14/1991US5014710 Steered linear color doppler imaging
05/14/1991US5014708 Radioactive ray detecting therapeutic apparatus
05/08/1991EP0426099A2 Ultrasonic transducer
05/08/1991EP0425495A1 Ultrasound brain lesioning system.
05/08/1991EP0414775A4 Echogenically enhanced surgical instrument and production method
05/02/1991WO1991005512A1 Improved movable guidewire receptacle for intravascular catheter
04/1991
04/30/1991US5010886 Medical probe assembly having combined ultrasonic imaging and laser ablation capabilities
04/30/1991US5010885 Ultrasonic echograph with controllable phase coherence