Surgery – Truss – Pad
Patent
1993-11-19
1995-04-04
Jarowski, Francis
Surgery
Truss
Pad
12866206, A61B 812
Patent
active
054027934
ABSTRACT:
A multiplane TEE probe is provided in which rotation of the ultrasonic transducer is motor controlled. The motor is controlled to rotate the transducer either clockwise or counterclockwise, and at either a high rotational speed or a low rotational speed. The motor is also automatically controlled to drive the transducer to a predetermined home position. The transducer tip of the probe is detachably connected to the gastroscope tube. An aluminum sheet is embedded in the acoustic lens in front of the transducer to dissipate heat which accumulates in the lens. The gastroscope tube includes an articulating section formed of a plurality of matching cylindrical links which form alternating pivot axes from one link to the next. The pivot range of each link with respect to an adjoining link is controlled by opposing limit stops orthogonally located with respect to the pivot points of the links. Preferably the limit stops are formed by a plurality of opposing and meshing fingers to provide the articulating section with high torsional stability. The articulating section is controlled from the handle of the probe, with the articulation limit stops located in the handle. The articulating section may be locked in a given bent position, but the lock will be overcome by the force of the esophagus against the transducer tip if the probe is withdrawn in a locked and bent position. When the articulating section is locked an indication signal is displayed on the handled of the probe and on the display of the ultrasound system.
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Fraser John D.
Gruner George P.
Nguyen Loc
Powell Sherry
Savage Timothy R.
Advanced Technology Laboratories, Inc.
Brinton Yorks, Jr. W.
Jarowski Francis
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