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