Patents
Patents for A61B 8 - Diagnosis using ultrasonic, sonic or infrasonic waves (41,493)
12/1991
12/31/1991US5076278 Annular ultrasonic transducers employing curved surfaces useful in catheter localization
12/31/1991US5076277 Calculus destroying apparatus using feedback from a low pressure echo for positioning
12/31/1991US5076268 Asymmetric balloon for endotracheal tube
12/27/1991EP0462311A1 Composite ultrasound transducer and fabrication process of a structured component from piezoelectric ceramic
12/26/1991WO1991019458A1 Ultrasonic imaging probe
12/26/1991WO1991019457A1 Automated method for digital image quantitation
12/25/1991CN2091163U Scale plate-adjustable b-ultrasonic searching unit puncture gate apparatus
12/18/1991EP0175770B1 Three-dimensional imaging system
12/17/1991US5072736 Non-invasive automatic blood pressure measuring apparatus
12/17/1991US5072734 Pulse doppler mti system
12/17/1991US5072733 A mold for sand casting a shaft
12/17/1991US5072723 Coupling structure for lithotripter
12/17/1991US5072722 In combination with a lithotritor
12/11/1991EP0460711A2 Ultrasonic probe
12/11/1991EP0445279A4 Method and device for doppler-guided retrograde catheterization
12/10/1991US5070882 Probe tip ultrasonic transducers and method of manufacture
12/10/1991US5070881 Ultrasound apparatus for determining whether a female large animal is gravid
12/10/1991US5070880 Transcranial Doppler transducer housing stabilizer
12/10/1991US5070879 Ultrasound imaging method and apparatus
12/10/1991US5070734 Ultrasonic diagnostic apparatus
12/10/1991CA1293048C Acoustic image system and method
12/05/1991DE4114826A1 Opening flap of heart valve - involves wire which is guided by ultrasonic probe
12/04/1991EP0459853A1 Acquisition method of echography images
12/04/1991EP0459813A2 Ultrasonic imaging apparatus indicating dispersion of characteristic parameter of medium
12/04/1991EP0459583A1 Ultrasonic echograph with phase aberration adaptive correction
12/04/1991CN1056634A Polymeric gas or air filled microballoons usable as suspensions in liquid carriers for ultrasonic echography
12/03/1991US5069218 Fetus monitoring apparatus
12/03/1991US5069215 Multiple electrode affixable sheet
11/1991
11/28/1991WO1991017711A1 Intravascular catheter having combined imaging abrasion head
11/28/1991WO1991017710A1 Guidewire with imaging capability
11/27/1991EP0458745A1 Polymeric gas or air filled microballoons usable as suspensions in liquid carriers for ultrasonic echography
11/27/1991EP0458384A1 Measuring and display device for the rate of blood flow using ultrasonic echography
11/26/1991US5068833 Dynamic control circuit for multichannel system
11/21/1991EP0457396A1 Device for eliminating fixed echos in an ultrasonic echograph
11/21/1991EP0456844A1 Non-invasive automatic blood pressure measuring apparatus
11/20/1991CN1056236A Acoustic diagnostic instrument for human body
11/19/1991US5065764 Ultrasonic doppler blood flow velocity detection apparatus
11/19/1991US5065763 Combined reflection and transmssion untrasonic imaging method and apparatus
11/19/1991US5065762 Extracorporeal lithotripsy apparatus for the disintegration of calculi having an unattenuated locating field
11/19/1991US5065742 Ultrasonic wave coupler for locating transducer in a lithotriptic apparatus
11/19/1991US5065740 Ultrasonic medical treatment apparatus
11/14/1991WO1991015244A3 Stable microbubbles suspensions injectable into living organisms
11/14/1991WO1991014391A3 An endoscope with potential channels and method of using the same
11/14/1991DE4014998A1 Auxiliary function provider for fibre=optics. e.g. laser catheter - uses air bubbles in elastic, rubber-like sleeve as resonators for extracorporal waves-vibration energy applied and controlled externally
11/13/1991EP0455970A1 Acoustic image signal delay
11/13/1991CN1056046A Inspection and measuring instrument for cerebrovascular function
11/12/1991US5063931 Method and apparatus for signal dependent gain control
11/08/1991WO1991017517A1 Improved image analysis method
11/08/1991CA2066207A1 Image analysis method
11/06/1991EP0436700A4 Ultrasound-laser surgery apparatus and method
11/06/1991CN1014641B Ultrasonic echograph and method of scanning object by means of such echograph
11/05/1991US5063541 Beam forming method and apparatus therefor in ultrasonic imaging system
11/05/1991US5062430 Device for measuring the speed of blood flows by ultrasonic echography at an increased measuring speed
11/05/1991US5062427 Ultrasonic doppler apparatus
11/05/1991CA1291808C Doppler guide wire
10/1991
10/31/1991WO1991015999A1 Ultrasound imaging technique using non linear scattering from bubbles
10/30/1991CN1014491B Apparatus for scanning moving objects, notable flowing blood, by means of ultrasound echography
10/29/1991US5060652 Ultrasonic diagnosis apparatus
10/29/1991US5060651 Ultrasonic diagnostic apparatus
10/23/1991EP0453251A1 Ultrasonic imaging of biopsy needle
10/23/1991EP0453014A1 Scanner for ultrasonic scanning of surfaces
10/23/1991EP0452532A1 Ultrasonic diagnostic device
10/23/1991CN1014464B Apparatus and method for ultrasound detection
10/22/1991US5058595 Judkins-type angiographic catheter with Doppler crystal, and method of use
10/22/1991US5058592 Adjustable mountable doppler ultrasound transducer device
10/22/1991US5058591 Rapidly quantifying the relative distention of a human bladder
10/22/1991US5058570 Ultrasonic surgical apparatus
10/19/1991WO1991016000A1 Method and apparatus for determining the velocity of a flowing liquid
10/19/1991CA2080470A1 Method and apparatus for determining the velocity of a flowing liquid
10/17/1991WO1991015244A2 Stable microbubbles suspensions injectable into living organisms
10/17/1991WO1991015154A1 Process for automatically measuring the volume of a tumour or of a gland, in particular the prostate, measurement device, process and apparatus using same
10/16/1991EP0451984A2 Ultrasonic probe system
10/16/1991EP0451517A1 Acoustic image acquisition
10/16/1991EP0451463A2 Multiple transducer selector
10/16/1991EP0451322A2 Dynamic control circuit for multichannel system
10/16/1991CN1055298A Stable microbubbles suspensions injectable into living organisms
10/15/1991US5056522 Supersonic ophthalmic measuring apparatus
10/09/1991EP0450868A2 Ultrasonic probe having a piezoelectric element
10/09/1991EP0450667A2 Three dimensional imaging system
10/09/1991EP0450431A2 Ultrasonic diagnostic system
10/08/1991US5054492 Ultrasonic imaging catheter having rotational image correlation
10/08/1991US5054491 Ultrasonic endoscope apparatus
10/08/1991US5054490 Ultrasonic densitometer device and method
10/07/1991WO1991015708A1 Arm with translatable end and apparatus for therapeutic treatment, comprising application thereof
10/03/1991WO1991014401A1 Tandem vascular imaging and dilatation catheter
10/03/1991WO1991014400A1 Use of ultrasonics for detecting and locating a bony region, process and device for detecting and locating a bony region by ultrasonics
10/03/1991WO1991014394A1 Flexible catheter drive cable
10/03/1991WO1991014391A2 An endoscope with potential channels and method of using the same
10/02/1991EP0449179A2 Shockwave generating system capable of displaying shockwave effective region
10/02/1991EP0448859A2 Guided atherectomy system
10/01/1991US5053958 Method to reduce image reconstruction time in limited-angle ct systems including using initial reconstruction valves for measured projection data during each iteration
10/01/1991US5052396 Needle guide for ultrasound transducers
10/01/1991US5052395 Non-invasive ultrasonic pulse doppler cardiac output monitor
10/01/1991US5052394 Method and apparatus for ultrasonic beam compensation
09/1991
09/25/1991EP0448291A2 Ultrasonic probe having rotary refracting member
09/25/1991EP0393113A4 Acoustic image system and method
09/24/1991US5050611 Ultrasonic imaging apparatus
09/24/1991US5050610 Transesophageal ultrasonic scanhead
09/24/1991US5050436 Ultrasonic probe and acoustic lens attachment
09/19/1991WO1991013589A1 Apparatus and method for sensing cardiac performance