Snare-type probe

Details Snare-type probe Snare-type probe

1990-04-25

1992-12-15

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

606113, 606127, A61M 2500

Patent

active

051712334

ABSTRACT:
The present invention provides a snare for intravascular use having an elongate proximal member and a loop-shaped distal segment oriented at an angle to the adjacent portion of the proximal member. The snare may be formed of a superelastic shape memory alloy, which permits the distal segment to be collapsed for passage through a catheter and yet automatically open into its original, unrestrained configuration upon emerging from the distal tip of the catheter.

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Curry, "Retrieval of Detached Intravascular Catheter or Guide Fragments--A Proposed Method," 105 Amer. Jour. of Roentgenology, (1969), pp. 894-896.
Tatsumi et al., "Retrieval of a Ventriculoatrial Shung Catheter from the Heart by a Venous Catheterization Technique," 32 Jour. of Neurosurgery, (1970), pp. 593-595.
Bloomfield, "The Nonsurgical Retrieval of Itracardiac Foreign Bodies-An International Survey," for Catheterization and Cardiovascular Diagnosis (1978), 1-14.
1986 Product Catalog, distributed by the Cook Company, p. 2.

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