1994-09-06
1996-02-20
Hindenburg, Max
Surgery
Truss
Pad
600114, 600145, 600146, A61B 510
Patent
active
054921317
ABSTRACT:
A catheter is guided by directional control inside a bodily passage by a servo-type system which includes a sensor to transmit position, orientation or velocity information to a microprocessor which is typically programmed with an error detection algorithm, and a motion control system. The motion control system generates a signal representative of the change in position, orientation or velocity needed to guide the catheter along a prescribed course of travel or in general to continuously adjust its position relative to a target, and this signal is transmitted to a directional steering system, a forward drive system or both, to effect the change. The result is a closed-loop servo system capable of automated, preprogrammed advancement and/or positioning of the distal catheter rip through branched and convoluted passages to a site where therapeutic action is needed or from which diagnostic information is sought.
REFERENCES:
patent: 4292961 (1981-10-01), Kawashima
patent: 4758222 (1988-07-01), McCoy
patent: 5064415 (1991-11-01), Walder et al.
patent: 5188111 (1993-02-01), Yates et al.
patent: 5238005 (1993-08-01), Imran
patent: 5274551 (1993-12-01), Corby, Jr.
patent: 5346498 (1994-09-01), Greelis et al.
patent: 5389073 (1995-02-01), Imran
Guided Medical Systems, Inc.
Hindenburg Max
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