1
John William Sliwa Jr, Paul E Chandler, John D Marshall, Gelston Howell, S Lawrence Marple Jr, Sassan Shahidi: Motion--Monitoring method and system for medical devices. Acuson Corporation, Brinks Hofer Gilson & Lione, September 19, 2000: US06122538 (251 worldwide citation)

A system and method for tracking the position and orientation of a movable medical imaging device using a first and second sensor disposed on the device. The second sensor is of a different type than the first sensor and measures a P/O parameter different from that of the first sensor. The system an ...


2
John W Sliwa Jr, Michelle L Jung, Paul E Chandler, Amin M Hanafy, David J Napolitano: Method and apparatus for mapping pressure and tissue properties. Acuson Corporation, Hopkins & Carley, May 12, 1998: US05749364 (119 worldwide citation)

The invention disclosed relates to a novel method of mapping and presenting fluid pressure information within a living body utilizing changes in acoustic behavior of microbubbles situated in a bodily fluid such as blood. Differences in the returned acoustic spectra from the microbubbles are related ...


3
Paul E Chandler, John W Sliwa, Joan C Main, Worth B Walters: Ultrasound otoscope. Acuson Corporation, Brinks Hofer Gilson & Lione, July 25, 2000: US06093150 (78 worldwide citation)

An ultrasonic imaging device for imaging the middle and inner ear is here described. It includes a thin, flattened shaft, a deformable support structure, a mounting surface, and an ultrasonic imaging array. Imaging is effected by the introduction of an acoustically conductive fluid into the middle e ...


4
Ismayil M Guracar, Samuel H Maslak, John W Allison, Paul E Chandler, John I Jackson, Arvind Jain, Laurence S McCabe: Methods and apparatus for ultrasound image quantification. Acuson Corporation, Craig A Brinks Hofer Gilson & Lione Summerfield Esq, February 29, 2000: US06030344 (41 worldwide citation)

A method and apparatus for quantifying and displaying ultrasound signals in an ultrasonic system are provided. A first signal value for each of at least one spatial location in a region of interest is acquired at a first time, and the signal values are summed to obtain a first surface integral value ...


5
Paul E Chandler: Ultrasound method and system for measuring perfusion. Acuson Corporation, Brinks Hofer Gilson & Lione, January 19, 1999: US05860931 (40 worldwide citation)

An ultrasound method and system for measuring perfusion of a tissue of interest during an ultrasound examination is provided. Perfusion within a region of a tissue can be accurately quantified by measuring a concentration level of contrast agent in a first region before and after reducing the concen ...


6
Samuel H Maslak, Hugh G Larsen, Joel S Chaffin, Paul E Chandler, Ian A Galton, Mehebub S Karmali: Variable origin-variable angle acoustic scanning method and apparatus. Acuson Corporation, James F Mitchell, September 22, 1992: US05148810 (40 worldwide citation)

An acoustic scanning method and apparatus implemented by transmitting ultrasonic pressure waves and receiving return echoes on a set of spatially non-overlapping acoustic lines scanned along a transducer array with the active acoustic lines shifted and steered so that each acoustic line originates a ...


7
Samuel H Maslak, Hugh G Larsen, Joel S Chaffin, Paul E Chandler, Ian A Galton, Mehebub S Karmali: Variable origin-variable acoustic scanning method and apparatus. Acuson Corporation, James F Mitchell, November 16, 1993: US05261408 (40 worldwide citation)

An acoustic scanning method and apparatus implemented by transmitting ultrasonic pressure waves and receiving return echoes on a set of spatially non-overlapping acoustic lines scanned along a transducer array with the active acoustic lines shifted and steered so that each acoustic line originates a ...


8
Samuel H Maslak, Hugh G Larsen, Joel S Chaffin, Paul E Chandler, Ian A Galton, Mehebub S Karmali: Variable origin-variable angle acoustic scanning method and apparatus for a curved linear array. Acuson Corporation, James F Mitchell, August 17, 1993: US05235986 (34 worldwide citation)

An acoustic scanning method and apparatus implemented by transmitting ultrasonic pressure waves and receiving return echoes on a set of spatially non-overlapping acoustic lines scanned along a curved linear transducer array with the active acoustic lines shifted and steered so that each acoustic lin ...


9
John A Hossack, Paul E Chandler: Ultrasonic method and system for imaging blood flow including disruption or activation of a contrast agent. Acuson Corporation, Brinks Hofer Gilson & Lione, September 7, 1999: US05947904 (27 worldwide citation)

An ultrasonic imaging system uses first and second perpendicular arrays. The first array is operated at high power to selectively destroy contrast agent suspended in flowing blood in discrete regions. The second array is used to image the alternating bands of contrast agent depleted blood and contra ...


10
John A Hossack, Paul E Chandler: Ultrasonic method for imaging blood flow including disruption or activation of contrast agent. Acuson Corporation, Brinks Hofer Gilson & Lione, August 31, 1999: US05944666 (23 worldwide citation)

An ultrasonic imaging system uses first and second perpendicular arrays. The first array is operated at high power to selectively destroy contrast agent suspended in flowing blood in discrete regions. The second array is used to image the alternating bands of contrast agent depleted blood and contra ...



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