Automated longitudinal position translator for ultrasonic...

Details Automated longitudinal position translator for ultrasonic... Automated longitudinal position translator for ultrasonic...

A - Human Necessities

61

B

A61B 8/12 (2006.01) G01S 7/521 (2006.01) G01S 15/89 (2006.01)

Patent

CA 2139422

A longitudinal position translator includes a probe drive module (20) and a linear translation module (48). The drive mo- dule (20) is coupled to an ultrasonic imaging probe assembly (12) having a distally located transducer subassembly (16) such that longitudinal shifting of the subassembly (16} may be effected. The module (20) is mounted to the translation unit (48) sa as to be moveable between a condition whereby longitudinal shifting of the subassembly (16) can be conducted either manually or auto- matically. When in the latter condition, the probe drive module (20) will engage a motor-driven screw associated with the linear translation module (48), causing the probe drive module (20) to be displaced at a constant rate. The distally located ultrasound transducer ( 16) is thus longitudinally shifted during an ultrasound scan to allow axially-spaced 360° data "slices" of surrounding tissue to be obtained, with reconstruction into a two or three-dimensional representation of the scanned tissue.

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