Patents
Patents for A61B 8 - Diagnosis using ultrasonic, sonic or infrasonic waves (41,493)
04/1990
04/13/1990CA2000656A1 Anthropomorphic cardiac ultrasound phantom
04/11/1990EP0363156A2 Apparatus for measuring volumetric flow of a liquid
04/11/1990EP0362820A2 Ultrasonic imaging apparatus
04/11/1990EP0362631A1 Doppler flow rate meter
04/10/1990US4915115 Ultrasonic imaging apparatus for displaying B-mode and Doppler-mode images
04/10/1990US4915113 Method and apparatus for monitoring the patency of vascular grafts
04/10/1990EP0342236A4 Echo-pulse tester.
04/10/1990EP0339087A4 Apparatus and method for imaging small cavities.
04/10/1990CA1267719A1 Device for examining moving objects by means of ultrasound echography
04/04/1990EP0361610A1 Echographic apparatus for measuring the transversal speed of moving organs and the blood flow
04/04/1990EP0361606A1 Apparatus for processing an echographic signal
04/04/1990EP0361264A1 Digital input part for an ultrasonic apparatus
04/04/1990EP0179073B1 Hybrid non-invasive ultrasonic imaging system
04/03/1990US4914589 Three-dimensional images obtained from tomographic data using a variable threshold
04/03/1990US4913642 Mold for forming asymmetric balloon
04/03/1990US4913159 Method for determining blood flow through a narrowed orifice using color doppler echocardiography
04/03/1990US4913157 Ultrasound method and apparatus for evaluating, in vivo, bone conditions
03/1990
03/28/1990EP0359839A1 Synchronous Demodulator
03/28/1990CN1040739A Method and apparatus for ultrasonic analysis of bone strength in vivo
03/27/1990US4911173 Biopsy attachment for ultrasound probe
03/27/1990US4911172 Probe tip ultrasonic transducers and method of manufacture
03/27/1990US4911171 Ultrasonic blood flow imaging apparatus
03/27/1990US4911170 High frequency focused ultrasonic transducer for invasive tissue characterization
03/27/1990US4910838 Method for providing a desired sound field as well as an ultrasonic transducer for carrying out the method
03/22/1990WO1990002520A1 Ultrasonic endoscope system
03/22/1990WO1990002519A1 Epicardial multifunctional probe
03/22/1990WO1990002518A1 Pinhole focused optics for ultrasonic opthalmic measurement
03/22/1990WO1990002517A1 Ultrasonic process and circuits
03/22/1990DE3929611A1 Intracavitary ultrasonic probe scanning planes with common origin - has ultrasonic transducer rotatable about two axes according to coupling modes
03/21/1990EP0359546A2 Ultrasound system with improved coupling fluid
03/21/1990EP0359397A1 Device for detection of uterine contractions
03/21/1990EP0359246A2 Continuous sonication method for preparing protein encapsulated microbubbles
03/21/1990EP0359130A2 Steered linear color doppler imaging
03/15/1990DE3830584A1 Ultrasonic tomography device
03/14/1990EP0358249A2 Method and apparatus for fourier processing of pulsed doppler signals
03/13/1990US4907595 Apparatus for simultaneous determination of ophthalmic artery blood pressure and flow
03/08/1990WO1990001904A1 Apparatus for locating and visualizing in real time concretions
03/08/1990WO1990001903A1 Method and apparatus for ultrasonic bone analysis
03/08/1990WO1990001902A1 Acoustic coupler
03/07/1990EP0357164A1 Ultrasonic method and circuitries for carrying out same
03/07/1990EP0356629A1 Echo receiving and tracking device for ultrasound position measurement of a movable wall
03/07/1990EP0356473A1 Ultrasound imaging probe.
03/07/1990EP0356448A1 Apparatus for examining a body of living tissues
03/06/1990US4907252 Medical examination system with generation of the internal patient image controlled by a surface image of the patient
03/06/1990US4905700 Method of transmitting ultrasound into a body
02/1990
02/28/1990EP0355694A2 Piezoelectric composite transducer for use in ultrasonic probe
02/28/1990EP0355175A1 Apparatus for the contactless disintegration of concrements in the body of a living being
02/28/1990EP0355161A1 Ultrasonic diagnostic apparatus
02/28/1990EP0276289B1 An ultrasonic investigation apparatus
02/27/1990US4905269 Contoured cassette
02/27/1990CA1266322A1 Ultrasonic blood flow imaging apparatus
02/22/1990WO1990001296A1 Method and apparatus for analyzing material properties using reflected ultrasound
02/22/1990DE3828087A1 Patient-supporting and -fixing device with optimized coupling
02/21/1990CN1039902A Method and apparatus for fourier processing of pulsed doppler signals
02/20/1990US4901729 Rubber with crosslinking agent; improved contact and sensitivity
02/15/1990DE3826138A1 Ultrasonic tomography device
02/14/1990EP0354229A1 Hydrophonic probe.
02/13/1990US4899757 Ultrasound imaging probe with zero dead space
02/13/1990US4899756 Articulated needle guide for ultrasound imaging and method of using same
02/08/1990WO1990001171A1 Ultrasonic reflex transmission imaging method and apparatus with artifact removal
02/08/1990DE3826139A1 Ultrasonic tomography device
02/07/1990EP0353294A1 System for angioplasty and ultrasonic contrast imaging
02/07/1990EP0238589B1 Localization method and device enabling to appreciate during a lithotrity the degree of fragmentation of stones
02/07/1990CN1039351A Monitoring apparatus
02/06/1990US4899318 Method and device for reconstructing the shape and position of objects in space
02/06/1990US4898178 Monolithic disposable needle guide for ultrasound transducers
02/06/1990US4898177 Ultrasonic probe with finger grip adapter
02/06/1990EP0323968A4 Method and apparatus for measuring volume fluid flow.
02/06/1990CA1265607A1 Non-invasive blood flow measurements utilizing autoregressive analysis with averaged reflection coefficients
01/1990
01/31/1990EP0353209A1 A method and a device for dental examination with ultrasound
01/30/1990US4896674 Ultrasonic diagnosing system
01/30/1990US4896673 Method and apparatus for stone localization using ultrasound imaging
01/30/1990US4896672 Hardware corection scheme for inter-frame image jitter in a scanning probe ultrasound imaging system
01/25/1990WO1990000729A1 Multi-beam tracking for angle error correction in speed of sound estimations
01/25/1990WO1990000368A1 Apparatus for monitoring fetal heart rate
01/25/1990WO1990000366A1 Monitoring apparatus
01/23/1990US4895158 Ultrasonic probe
01/23/1990US4894895 Method of making an ultrasonic probe
01/17/1990EP0351015A2 A method for fabricating a piezoelectric composite transducer
01/16/1990US4894013 Anthropomorphic cardiac ultrasound phantom
01/16/1990US4893628 Dual element ultrasonic transducer probe for combined imaging of tissue structures and blood flow in real time
01/11/1990WO1990000033A1 Doppler system flow velocity distribution measuring apparatus
01/11/1990DE3823144A1 Dilatation catheter for passing-through an intravascular ultrasonic probe
01/10/1990EP0349686A1 Aiming system for kidney stone disintegrator
01/10/1990CN1038703A Ultrasonic echograph with controllable phase coherence
01/10/1990CN1006415B Ultrasonic transducer probe drive mechanism with position sensor
01/09/1990US4893283 Echo ultrasound system with an improved image sequence rate
01/09/1990US4892103 Ultrasonic scanning pulse-generating apparatus
01/03/1990EP0349321A1 Method and apparatus for determining and displaying the absolute value of quantitative backscatter
01/03/1990CN2050312U Reverse scansion b-ultrasonic wave breast examining apparatus
01/03/1990CN1038402A X-type working mode of ultrasonic equipment for medical diagnosis and its principle
01/02/1990US4891757 Medical imaging system and method having gray scale mapping means for indicating image saturation regions
01/02/1990US4890624 Fetal heart rate counting system using digital signal processing
12/1989
12/28/1989WO1989012425A1 Endotracheal tube with asymmetric balloon
12/28/1989WO1989012424A1 Hand held spring-loaded ultrasonic probe
12/26/1989US4890268 Two-dimensional phased array of ultrasonic transducers
12/26/1989US4889128 Doppler catheter
12/20/1989EP0347098A2 Atherectomy system with a guide-wire
12/20/1989EP0346891A2 Ultrasonic probe and method of manufacturing the same
12/20/1989EP0346890A1 Ultrasonic bloodflow velocity detector