Method and apparatus for locating vibrating devices

Details Method and apparatus for locating vibrating devices Method and apparatus for locating vibrating devices

1994-03-23

1995-06-20

Manuel, George

Surgery

Truss

Pad

A61B 812

Patent

active

054253705

ABSTRACT:
An ultrasonic imaging system for guiding a user in the placement of an interventional medical device within the body includes a vibrating element which transmits vibratory mechanical oscillation at a predetermined frequency of vibration to the interventional medical device. The medical device oscillates in accordance with the vibratory oscillation so that the interventional medical device completes an oscillation during each vibratory period. An imaging transducer sequentially transmits ultrasonic waves down a selected image line into the imaging region in pulses which are separated by a time interval determined as a function of the vibratory period so that they coincide with maximum displacement of a given point on the interventional device. Return signals received after each pulse are processed to eliminate static and non-static tissue components so that a bright image of the vibrating element is obtained.

REFERENCES:
patent: 4819649 (1989-04-01), Rogers et al.
patent: 5161536 (1992-11-01), Vilkomerson et al.
patent: 5307816 (1994-05-01), Hashimoto et al.
patent: 5329927 (1994-07-01), Gardineer et al.

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