Apparatus and method for independent movement of an instrument w

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

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604 55, 604271, A61M 3100, A61M 500

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active

053000234

ABSTRACT:
A method of positioning an elongated instrument in an everting catheter is disclosed. The everting catheter includes an inflatable everting element which circumscribes a region of the instrument and which is inflated to grip the instrument. The everting catheter and instrument extend into a patient to a desired region within the body. Flush solution is introduced between the everting element and the instrument, and the instrument is moved relative to the everting element while the flush solution is between the everting element and the instrument.

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patent: 4604094 (1986-08-01), Shook
patent: 4606347 (1986-08-01), Fogarty
patent: 5163927 (1992-11-01), Woker et al.
"A Miniature Toposcopic Catheter Suitable for Small Diameter Tortuous Blood Vessels", Goldstein et al., Transactions of the ASME, Journal of Bio-Mechanical Engineering, vol. 102, Aug. 1980, No. 3, pp. 221-229.
"Topo Pathfinder Catheters", Houston Biomedical, Inc., TPC/15M/1087/AW.
"Everting (Toposcopic) Catheter for Broad Clinical Application", D. R. Shook et al., Transactions of the ASME, vol. 109, May 1986, pp. 168, 170, 172-174.
"The Ins and Outs of Toposcopy and The Everting catheter", D. R. Schook, SOMA (Jul. 1987), pp. 22-27.

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