Patents
Patents for A61B 8 - Diagnosis using ultrasonic, sonic or infrasonic waves (41,493)
12/1989
12/20/1989EP0346889A1 Ultrasonic diagnostic apparatus
12/20/1989EP0346471A1 Apparatus for monitoring fetus
12/19/1989US4887606 Apparatus for use in cannulation of blood vessels
12/19/1989US4887605 Laser catheter delivery system for controlled atheroma ablation combining laser angioplasty and intra-arterial ultrasonic imagining
12/14/1989WO1989011890A1 Balloon dilation catheter
12/13/1989EP0345960A1 An ultrasonic doppler blood flow velocity detection apparatus
12/13/1989EP0345852A1 Ultrasonic echograph with reduced interference noise
12/12/1989US4887306 Adaptive temporal filter for ultrasound imaging system
12/12/1989US4886490 Atherectomy catheter system and method of using the same
12/12/1989US4886069 Method of, and apparatus for, obtaining a plurality of different return energy imaging beams responsive to a single excitation event
12/12/1989US4886068 Ultrasonic coupling agent
12/12/1989US4886059 Endotracheal tube with asymmetric balloon
12/06/1989EP0344773A2 Liquid segment polyurethane gel and couplers for ultrasonic diagnostic probe comprising the same
12/05/1989US4884448 Ultrasonic doppler meter
12/05/1989CA1263736A1 Ultrasonic sector scanner
11/1989
11/30/1989WO1989011250A1 Echogenically enhanced surgical instrument and production method
11/29/1989EP0343969A2 Ultrasound diagnostic equipment
11/29/1989EP0343432A2 Device for the ultrasonic localization of concrements
11/28/1989US4884246 Method and apparatus for reflection mode imaging
11/28/1989US4883458 Atherectomy system and method of using the same
11/28/1989US4883060 Device for eliminating fixed echoes for an ultrasonic echograph
11/28/1989US4883059 Intravaginal transducer biopsy guide
11/28/1989CA1263472A1 Method and apparatus for estimating the ultrasound attenuation-vs-frequency slope of a propagation medium from the complex envelope of a signal
11/23/1989EP0342874A2 Ultrasound probe for medical imaging system
11/23/1989EP0342757A2 Ultrasonic echographic apparatus with a controllable phase coherence
11/23/1989EP0342236A1 Echo-pulse tester
11/22/1989CN2047939U B ultrasonic parameter detector
11/22/1989CN1037269A Diagnostic instrument for arteriosclerosis
11/21/1989US4881549 Apparatus and method for obtaining ultrasonic backcatter measurement from tissue
11/21/1989CA1263173A1 Method and apparatus for producing ultrasound images
11/21/1989CA1263172A1 Ultrasonic sector scanner
11/15/1989EP0341969A2 Ultrasonic densitometer device and method
11/14/1989US4881212 Ultrasonic transducer
11/14/1989US4880012 Ultrasonic probe
11/14/1989US4880011 Ultrasonic endoscope apparatus
11/14/1989US4880010 Method of and apparatus for ultrasonic imaging
11/14/1989US4880009 Ultrasonic imaging apparatus
11/14/1989CA1262960A1 Method and apparatus for displaying a single parameter image
11/14/1989CA1262959A1 Method of determining an acoustic refractive index distribution in an examination zone, and device for performing the method
11/09/1989DE3813955A1 Multi-frequency ultrasonic sectional-image generator
11/07/1989US4878500 Multi-beam tracking for angle error correction in speed of sound estimations
11/02/1989EP0339693A2 Ultrasonic device for examining and locating tumours provided with a device for localized hyperthermia treatment
11/02/1989EP0339087A1 Device for imaging small cavities
10/1989
10/31/1989US4877033 Disposable needle guide and examination sheath for transvaginal ultrasound procedures
10/25/1989EP0338618A1 Correlation measuring apparatus for the velocity of moving organs and of blood flow
10/25/1989EP0338592A1 An ultrasonic doppler blood flow velocity detection apparatus and a method for detecting blood flow velocity
10/25/1989CN1036505A Method of and apparatus for acoustic nondestructive testing elasticity of biologic soft tissue
10/19/1989WO1989007414A3 Improvements in or relating to medical apparatus and surgical procedures
10/18/1989EP0337661A1 Method and apparatus for grading of live animals and animal carcases
10/18/1989EP0337287A1 Echofollower for ultrasonic apparatus for measuring the position of a movable reflective surface
10/17/1989US4873985 Ultrasonic imaging apparatus utilizing doppler flow metering
10/17/1989US4873984 Techniques for calculating ultrasonic integrated backscatter using frequency or time domain techniques
10/17/1989US4873869 Device for the scanning of objects by means of ultrasound echography
10/12/1989EP0328564A4 Ultrasonic imaging array and balloon catheter assembly.
10/11/1989EP0336640A2 A dual element ultrasonic transducer probe for combined imaging of tissue structures and blood flow in real time
10/11/1989EP0336057A1 Hardware correction scheme for inter frame image jitter in a scanning probe ultrasound imaging system
10/11/1989EP0335878A1 Echography probe with improved connection circuit.
10/10/1989US4872346 Multiple frequencies from single crystal
10/10/1989CA1262276A1 Range-continuity anti-aliasing
10/05/1989WO1989009027A1 Fetal heart rate counting system
10/04/1989EP0335578A2 Ultrasound imaging system utilizing two or more simultaneously-active apertures
10/04/1989EP0335577A2 Ultrasonic transducer system
10/03/1989US4870972 Multiple-frequency acoustic transducer, especially for medical imaging
10/03/1989US4870970 Ultrasonic investigation apparatus
10/03/1989US4870954 Ultrasonic diagnostic apparatus having pivotable and slidable operational table
10/03/1989US4870867 Crossed linear arrays for ultrasonic medical imaging
09/1989
09/27/1989EP0333738A1 Probe with bar of piezoelectric elements for ultrasound apparatus
09/27/1989EP0333737A1 Probe with curved bar for echography
09/27/1989CN1035774A Concentrated stabilized microbubble-type ultrasonic imaging agent
09/26/1989US4869768 Ultrasonic transducer arrays made from composite piezoelectric materials
09/26/1989US4869263 Device and method for measuring volumetric blood flow in a vessel
09/26/1989US4869260 Method and means for detecting pregnancy in domestic farm animal species
09/26/1989US4869259 Echogenically enhanced surgical instrument and method for production thereof
09/26/1989US4869258 Intracavitary ultrasound scanner means
09/26/1989US4869256 Endoscope apparatus
09/21/1989DE3907320A1 Ultraschall-untersuchungsapparat und verfahren zur korrektur eines ultraschallbildes Ultrasonic examination apparatus and method for correction of an ultrasound image
09/20/1989EP0333552A1 Sonde, device for image formation with such a sonde and method for using the device
09/20/1989EP0332637A1 Probe provided with a concave arrangement of piezoelectric elements for ultrasound apparatus.
09/19/1989US4868748 Rapid processing of three-dimensional graphical objects from tomographic data
09/19/1989US4868476 Transducer with integral memory
09/19/1989US4867171 Blood pressure measurement apparatus
09/19/1989US4867169 Attachment attached to ultrasound probe for clinical application
09/19/1989US4867167 Method and apparatus for determining and displaying the absolute value of quantitative backscatter
09/19/1989US4866998 Medical examination table with probe holder
09/19/1989CA1259541A1 Blood flow measurement catheter
09/12/1989US4866613 Ultrasonic continuous wave blood flowmeter using Doppler effect analysis
09/12/1989US4865040 Ultrasonic image recording method and system
09/08/1989WO1989007910A1 Device for reproducing a bone relief by tridimensional ultrasound echography
09/08/1989WO1989007909A1 Ultrasound localization and therapy system
09/08/1989WO1989007907A1 Ultrasound brain lesioning system
09/07/1989DE3806581A1 Endoscope
09/06/1989EP0331348A1 Ultrasound transducer holder
09/05/1989US4862893 Ultrasonic transducer
09/05/1989US4862892 Ultrasonic reflex transmission imaging method and apparatus with artifact removal
08/1989
08/30/1989EP0330463A1 Blood flow resistance measuring apparatus
08/30/1989EP0329817A2 A method and device for non-invasive acoustic testing of elasticity of soft biological tissues
08/29/1989US4860758 Multiple diagnosable distance range ultrasonic diagnostic apparatus
08/24/1989WO1989007419A1 Ultrasound imaging probe
08/24/1989WO1989007414A2 Improvements in or relating to medical apparatus and surgical procedures
08/23/1989EP0329492A2 Laser catheter delivery system