| Patents for A61B 8 - Diagnosis using ultrasonic, sonic or infrasonic waves (41,493) |
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| 04/25/1991 | WO1991006245A1 Vibrational analysis of bones |
| 04/25/1991 | CA2069324A1 Vibrational analysis of bones |
| 04/24/1991 | EP0424245A2 Method and apparatus for characterizing reflected ultrasonic pulses |
| 04/24/1991 | EP0423895A1 Disposable intra-luminal ultrasonic instrument |
| 04/24/1991 | CN1012414B Oxyhemograph |
| 04/23/1991 | US5010528 Doppler flow velocity distribution measuring apparatus |
| 04/23/1991 | US5010248 Sampling hydrophone |
| 04/23/1991 | CA1283475C Ultrasonic display assembly |
| 04/18/1991 | WO1991004708A1 An apparatus for use in ultrasonic examination |
| 04/18/1991 | DE3932718A1 Liquid volume measurement device for human bladder - uses ultrasonic equipment to measure volume of liquid and transmit to external device |
| 04/18/1991 | DE3923215A1 Mobilising calculus in organ filled with liq. - vibrating organ by LF sound and forming image in real=time |
| 04/17/1991 | CN1050773A Laser beam guiding fiber |
| 04/16/1991 | US5007428 Apparatus for examining a body of living tissues |
| 04/16/1991 | CA1283200C Correlator circuit and device for ultrasound flow mapping comprising such as circuit |
| 04/10/1991 | EP0421465A2 Doppler flow sensing device and method for its use |
| 04/10/1991 | EP0421279A1 Ultrasonic diagnostic apparatus with selective focussing patterns |
| 04/10/1991 | EP0420854A1 Endotracheal tube with asymmetric balloon |
| 04/10/1991 | CN1050495A Laser operating device for intracavitary surgery |
| 04/09/1991 | US5005419 Medical |
| 04/09/1991 | CA1282801C Control and means for vibration attenuating damper |
| 04/06/1991 | CA2026795A1 Doppler flow sensing device and method for its use |
| 04/03/1991 | EP0420758A1 Ultrasonic coupler and method for production thereof |
| 04/03/1991 | EP0420346A1 Ultrasonic echograph with digital reception beam former |
| 04/03/1991 | EP0420190A2 Ultrasonic contact transducer and array |
| 04/03/1991 | EP0420085A2 Measuring heart function |
| 04/03/1991 | EP0419729A1 Position finding of a catheter by means of non-ionising fields |
| 04/03/1991 | CN2074165U Ultrasonic doppler diagnostic apparatus for livestock pregnancy |
| 04/02/1991 | US5003965 Medical device for ultrasonic treatment of living tissue and/or cells |
| 03/29/1991 | WO1991004707A1 Method and device for doppler-guided retrograde catheterization |
| 03/28/1991 | CA2026219A1 Measurement of cardiac performance |
| 03/27/1991 | EP0419277A1 Guide wire for use in measuring a characteristic of liquid flow in a vessel |
| 03/27/1991 | CA2026053A1 Ultrasonic contact transducer and array |
| 03/26/1991 | US5002059 Tip filled ultrasound catheter |
| 03/26/1991 | US5002058 Ultrasonic transducer |
| 03/26/1991 | CA1282163C Ultrasonic imaging apparatus |
| 03/23/1991 | CA2330649A1 Apparatus, system and method for measuring volumetric flow of blood in a vessel |
| 03/19/1991 | US5000185 Method for intravascular two-dimensional ultrasonography and recanalization |
| 03/19/1991 | US5000184 Directional component measurement by echography |
| 03/19/1991 | US5000183 Device for processing an echographic signal |
| 03/19/1991 | CA1281808C Method and apparatus for measuring arterial blood flow |
| 03/07/1991 | WO1991002489A1 Intravascular ultrasonic imaging probe |
| 03/07/1991 | WO1991002488A1 Ultrasonic imaging and laser ablation probe |
| 03/06/1991 | EP0415324A2 Ultrasonic diagnostic apparatus |
| 03/06/1991 | EP0415323A2 Ultrasonic diagnosing apparatus |
| 03/06/1991 | EP0414775A1 Echogenically enhanced surgical instrument and production method |
| 03/02/1991 | WO1991003792A1 System and method for transforming two dimensional signals of a hand held sector transducer into three dimensional signals |
| 03/02/1991 | CA2064914A1 System and method for transforming two dimensional signals of a hand held sector transducer into three dimensional signals |
| 02/27/1991 | EP0414261A2 Ultrasonic diagnosing apparatus |
| 02/27/1991 | EP0413816A1 Method for recording intracranial pressure |
| 02/26/1991 | US4995396 Radioactive ray detecting endoscope |
| 02/21/1991 | WO1991001687A1 Ultrasound-laser surgery apparatus and method |
| 02/21/1991 | WO1991001686A1 Tip filled ultrasound catheter |
| 02/20/1991 | EP0413028A1 Acoustic coupler. |
| 02/19/1991 | US4993427 Muscle |
| 02/19/1991 | US4993418 Doppler blood flow system and method using low frequency noise signal processing |
| 02/19/1991 | US4993417 Method and system for controlling ultrasound scanning sequence |
| 02/19/1991 | CA1280505C Method and apparatus for measuring arterial blood flow |
| 02/13/1991 | CN1011569B Device for eliminating fixed echoes for ultrasonic echograph |
| 02/12/1991 | US4992989 Ultrasound probe for medical imaging system |
| 02/12/1991 | US4991589 Ultrasonic imaging apparatus |
| 02/12/1991 | US4991588 Doppler guide wire |
| 02/07/1991 | WO1991001156A1 Improved guide wire systems for intravascular catheters |
| 02/05/1991 | US4991151 Elastic pulse generator having a desired predetermined wave form |
| 02/05/1991 | US4989613 Diagnosis by intrasound |
| 02/05/1991 | US4989609 Doppler blood flow system and method using special zero flow rate analysis |
| 02/05/1991 | US4989446 Ultrasound calibrator |
| 01/31/1991 | DE3925014A1 Testing stability of human knee joint - applying pressure to bendable holder for exact parallel sliding of shin bone w.r.t. thigh bone |
| 01/30/1991 | EP0409822A1 An adapter for brain surgery. |
| 01/29/1991 | US4989143 Adaptive coherent energy beam formation using iterative phase conjugation |
| 01/23/1991 | EP0409054A1 Method of electrical distance signal processing |
| 01/23/1991 | EP0408610A1 Acoustic aneurysm detector and associated method |
| 01/23/1991 | EP0356473A4 Ultrasound imaging probe |
| 01/23/1991 | EP0221162B1 Non-invasive blood flow measurements utilizing cardiac cycle synchronization |
| 01/22/1991 | US4986276 Flow detector |
| 01/22/1991 | US4986275 Ultrasonic therapy apparatus |
| 01/22/1991 | US4986274 Fetal anatomic sex assignment by ultrasonography during early pregnancy |
| 01/22/1991 | US4986259 Apparatus and method for disintegrating calculus |
| 01/21/1991 | CA2021509A1 Method of processing an electrical signal |
| 01/17/1991 | DE4021102A1 Medical diagnosis station providing anginal cardiogram - combines two different images by fading and ultrasonic image with X=ray image |
| 01/16/1991 | EP0407779A1 Coupler for a lithotripter |
| 01/16/1991 | EP0231229B1 Apparatus for determining the filling level of the human bladder |
| 01/16/1991 | EP0229838B1 Crt multi-frame photographing apparatus |
| 01/15/1991 | US4984576 Detecting location of a Fetal |
| 01/15/1991 | US4984567 Apparatus for measuring intracranial pressure |
| 01/15/1991 | US4984563 Multiple function observation and treatment endoscope and preparation process |
| 01/10/1991 | WO1991000059A1 Equipment for obtaining medical, pharmacological or other data by nuclear and echographic magnetic resonance |
| 01/10/1991 | WO1991000058A1 Holder for a sensor in the echography of an infant's hip |
| 01/09/1991 | EP0406909A2 Ultrasonic diagnosing apparatus |
| 01/09/1991 | EP0406908A1 Ultrasonic diagnosing apparatus |
| 01/09/1991 | EP0406704A1 Ultrasonic diagnostic apparatus |
| 01/08/1991 | US4982724 Endoscope apparatus |
| 01/08/1991 | CA1278854C Housing for ultrasonic detector |
| 01/03/1991 | DE3932114C1 Echo cardiography examination couch - has cut=out for echo sound in sloping part accommodating chest of patient |
| 01/02/1991 | EP0404871A1 Apparatus for locating and visualizing in real time concretions |
| 01/01/1991 | US4982339 High speed texture discriminator for ultrasonic imaging |
| 12/30/1990 | CA2020056A1 Ultrasonic diagnostic apparatus |
| 12/27/1990 | WO1990016061A1 Ultrasonic scanning sensor |
| 12/27/1990 | WO1990015576A1 Lesion localization device and method of using |
| 12/27/1990 | EP0404121A1 Acoustic wave therapy apparatus |
| 12/27/1990 | EP0386130A4 Non-invasive ultrasonic pulse doppler cardiac output monitor |