Integrated bias circuitry for ultrasound imaging devices

Details Integrated bias circuitry for ultrasound imaging devices Integrated bias circuitry for ultrasound imaging devices

A - Human Necessities

61

B

A61B 8/12 (2006.01)

Patent

CA 2583661

The systems and methods described herein allow for the application of a bias voltage to one or more transducers implemented within a medical ultrasound imaging system. Bias circuitry is placed within an imaging device and used to apply a DC bias to one or more transducers requiring a DC bias to operate. The one or more transducers can be fabricated in a semiconductor manufacturing process and integrated with the bias circuitry on a common semiconductor substrate. Also provided is a method for operating the one or more transducers and bias circuitry using a communication channel having two signal lines.

L~invention concerne des systèmes et de procédés permettant d~appliquer une tension de polarisation à un ou plusieurs transducteurs mis en AEuvre dans un système d~imagerie médicale aux ultrasons. Des circuits de polarisation sont placés dans un dispositif d~imagerie et utilisés pour appliquer une tension continue à un ou plusieurs transducteurs nécessitant une polarisation continue pour fonctionner. Lesdits un ou plusieurs transducteurs peuvent être fabriqués par un processus de fabrication des composants à semiconducteur et intégrés aux circuits de polarisation sur un substrat en semiconducteur commun. L~invention concerne également un procédé de fonctionnement d~un ou de plusieurs transducteurs et des circuits de polarisation utilisant un canal de communications comportant deux lignes de transmission de signaux.

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