Method and apparatus for anchoring a suture

Details Method and apparatus for anchoring a suture Method and apparatus for anchoring a suture

1996-06-21

1998-03-31

Buiz, Michael

Surgery

Instruments

Suture retaining means

128898, A61B 1704

Patent

active

057333068

ABSTRACT:
A tubular anchor may have a polygonal cross-sectional configuration with flat outer side surfaces areas connected by a plurality of outer corner portions. A passage through the anchor may be formed by flat inner side surfaces interconnected by inner corner portions. A suture is inserted through the passage. A concentrated force may be applied against a limited area on a trailing end of the anchor to rotate the anchor to move an outer corner portion of the anchor into engagement with body tissue. The suture may engage an inner corner portion of the anchor. The suture may be inserted through a plurality of anchors and the anchors moved through a tubular member into the body tissue under the influence of force transmitted from a trailing anchor to a leading anchor. When the leading anchor is moved into the body tissue, it is rotated under the influence of force applied against a trailing end of the leading anchor. If desired, two anchors may be interconnected. A groove may advantageously be provided along the leading end and side of an anchor to receive the suture.

REFERENCES:
patent: 4870957 (1989-10-01), Goble et al.
patent: 5545178 (1996-08-01), Kensey et al.
patent: 5584862 (1996-12-01), Bonutti

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