Patents
Patents for A61B 8 - Diagnosis using ultrasonic, sonic or infrasonic waves (41,493)
04/1982
04/06/1982CA1121499A1 Method and apparatus for reflective ultrasonic imaging utilizing reconstruction of acoustic impedance projections
04/06/1982CA1121498A1 Acoustic imaging system
03/1982
03/24/1982EP0048013A1 Ultrasonic diagnostic apparatus
03/23/1982US4320765 Doppler pseudorandom noise velocimeters
03/16/1982US4319580 Method for detecting air emboli in the blood in an intracorporeal blood vessel
03/16/1982US4319489 Ultrasonic diagnostic method and apparatus
03/10/1982EP0046987A2 Endoscope apparatus
03/09/1982US4318413 Ultrasonic diagnostic apparatus
03/02/1982US4317370 Ultrasound imaging system
03/02/1982US4317369 Ultrasound imaging apparatus and method
02/1982
02/24/1982EP0046356A2 Ultrasound imaging system
02/23/1982US4316391 Flow rate measurement
02/23/1982CA1118842A1 Treatment head for electromedical diagnostic or therapeutic treatment of body parts
02/17/1982EP0045989A2 Acoustic impedance matching device
02/16/1982US4316271 Purging and expansion mechanism
02/16/1982US4316115 Polymeric piezoelectric microprobe with damper
02/16/1982US4315435 Dual scan ultrasonic scanner
02/09/1982CA1118088A1 Ultrasound imaging system
02/03/1982EP0045265A2 Probe for echography with sectional mechanical scanning
02/03/1982EP0045224A2 Interpolating means for image display
02/03/1982EP0045145A2 Electroacoustic transducers
02/02/1982US4313444 Method and apparatus for ultrasonic Doppler detection
01/1982
01/26/1982EP0038331A4 Signal processing equipment for ultrasonic visualisation.
01/19/1982US4310957 Method for the manufacture of ultrasonic heads
01/19/1982CA1116753A1 Computerized ultrasound scanner with technique select
01/19/1982CA1116742A1 Fresnel focussed imaging system
01/19/1982CA1116741A1 Dynamic focusing apparatus and method
01/19/1982CA1116739A1 Ultrasonic detection system maintains shields between adjacent transducers for suppression of sidelobes
01/12/1982US4310907 Scan converter for a sector scan type ultrasound imaging system
01/12/1982US4309906 Apparatus for providing an ultrasonic sectional view
01/12/1982CA1116154A1 Device having a balanced pivotable arm
01/07/1982WO1982000061A1 Receiver for a multi-element ultrasonic probe echograph and echograph thus equiped
01/07/1982WO1982000002A1 Automatic digital backfat meter
01/06/1982EP0043158A1 Ultrasonic investigation apparatus
12/1981
12/23/1981EP0042288A1 Ultrasonic imaging apparatus
12/22/1981US4306458 Apparatus for object scanning
12/16/1981EP0041749A1 Medical radiation imaging apparatus
12/16/1981EP0041664A1 Process for the manufacture of an ultrasonic transducer device
12/15/1981CA1114491A1 Ultrasonic imaging system
12/09/1981EP0041403A1 Method and apparatus for ultrasonic wave measurement of characteristics of the internal structure of an object
12/09/1981EP0041185A1 Ultrasonic scanning device
12/08/1981US4305014 Piezoelectric array using parallel connected elements to form groups which groups are ≈1/2λ in width
11/1981
11/25/1981EP0040376A1 Ultrasonic transducer array
11/25/1981EP0040375A1 Ultrasonic transducer array
11/18/1981EP0039851A1 Endoscope having an ultrasonic diagnosis function
11/11/1981EP0039434A1 Signal storing device
11/10/1981US4300217 Acoustic transducer housing
11/10/1981CA1112351A1 Doppler flow meter and method
11/04/1981EP0039045A1 Ultrasonic diagnostic apparatus for endoscope
11/03/1981US4298009 Ultrasound mammary scanning apparatus
10/1981
10/28/1981EP0038331A1 Signal processing equipment for ultrasonic visualisation.
10/27/1981US4296906 Device having a balanced pivotable arm
10/27/1981US4296753 Support for a transducer for emitting and/or receiving ultrasonic signals in a given angular sector
10/27/1981EP0030243A4 Apparatus for establishing, in vivo, bone strength.
10/20/1981US4296349 Ultrasonic transducer
10/20/1981US4296348 Interdigitated electrode ultrasonic transducer
10/14/1981EP0037620A1 Acoustic impedance matching device
10/13/1981US4294119 Ultrasonic applicator for ultrasonic scanning of bodies
10/13/1981CA1110750A1 Electronic beam scanning for ultrasonic imaging
10/07/1981EP0037302A1 Digital processing and storing device and echographic scanner comprising such a device
10/07/1981EP0037047A2 Ultrasonic scanning device for examining viscera
10/07/1981EP0037039A2 Image reconstruction apparatus
10/07/1981EP0037012A2 Ultrasonic imaging device
09/1981
09/30/1981EP0036688A1 Device for exploring by the ultrasonic method with a mosaic of transducers produced in an electrostrictive material
09/30/1981EP0036577A1 Ultrasonic transducer array
09/29/1981US4291578 Apparatus for ultrasonic scanning of objects
09/23/1981EP0036353A1 Ultrasonic imaging probe with acoustic lens and echographic imaging system comprising such a probe
09/22/1981US4290432 Decompression bubble detectors
09/22/1981US4290310 Ultrasonic imaging system using digital control
09/22/1981US4290309 Diagnostic ultrasound apparatus having automatic isocentric rotator
09/15/1981US4289140 Signal processing system
09/15/1981US4289139 Ultrasonic transducer probe
09/09/1981EP0035387A2 Ultrasonic imaging apparatus
09/09/1981EP0035325A2 Apparatus for measuring the cross-sectional area of a duct and the volume flow rate of fluid in the duct
09/09/1981EP0035213A1 Ultrasonic diagnosing apparatus
09/08/1981US4287767 Ultrasonic section surface examination equipment
09/01/1981CA1108282A1 Ultrasonic air and blood foam detector
08/1981
08/19/1981EP0033977A2 Ultrasonic blood flow measuring apparatus
08/18/1981US4285011 Apparatus for producing an image of an object scanned by ultrasonic wave beams
08/18/1981US4285010 Ultrasonic interrogating system and exciter-detector circuit therefor
08/11/1981US4282880 Water circulation and maintenance system for an ultrasound mammary scanning apparatus
08/11/1981US4282879 Ultrasonic diagnosing apparatus
08/11/1981US4282755 Transducer drive and control
08/11/1981CA1106959A1 Sector scanner display and recording system for ultrasonic diagnosis
08/04/1981US4282452 Method and circuit arrangement for energizing ultrasonic transducers which are utilized in impulse echo technology
08/04/1981US4281661 Medical echo sounding apparatus with a wide sector scanning angle
08/04/1981US4281549 Equipment for displaying section images of objects subjected to ultrasonic examination
07/1981
07/29/1981EP0032751A2 Mechanical accessory for ultrasonic mammography equipment
07/29/1981EP0032514A1 Ultrasonic wave Tomographic Imaging System
07/29/1981EP0032513A1 Ultrasonic diagnostic equipment
07/21/1981US4279157 Method of and device for determining the internal structure of a body by means of acoustic beams
07/15/1981EP0032129A1 Ultrasound mammary scanning apparatus
07/08/1981EP0031614A1 Curved array of sequenced ultrasound transducers
07/08/1981EP0031510A1 Ultrasonic scanning equipment
07/08/1981EP0015258B1 Hearing faculty testing apparatus
07/07/1981US4277712 Acoustic electric transducer with slotted base
07/07/1981US4277711 Acoustic electric transducer with shield of controlled thickness
07/07/1981US4276885 Tumor detection
06/1981
06/30/1981US4276491 Focusing piezoelectric ultrasonic medical diagnostic system
06/30/1981US4275597 Ultrasonic beam scanning technique and apparatus