Suture anchor assembly and kit

Details Suture anchor assembly and kit Suture anchor assembly and kit

1997-02-11

1999-05-04

Buiz, Michael

Surgery

Instruments

Suture retaining means

606 86, 606 73, A61B 1704

Patent

active

058999205

ABSTRACT:
A self-threading suture anchor assembly and kit includes a suture anchor having an anchor portion at one end and a drive portion with an eyelet at an opposite end, and an elongated suture threading loop with an elongated, substantially rigid gripping member attached thereto. The threading loop is collapsible, yet it maintains a loop shape. The elongated gripping member acts as a wand for manipulation of the loop. Both the threading loop and the elongated gripping member are adapted to be encased in a removable elongated sheath which extends beyond the ends of the loop and gripping member. The assembly is inserted into a cannulated shaft of a rotatable driver which includes a bone-cutting drive bit adapted for gripping the suture anchor at its drive end and for cutting into bone. The distal portion of the elongated sheath extends through a port in the shaft and is frictionally engageable with the shaft by means of an annular retaining element slidably disposed on the shaft. Removal of the driver from the anchor after installation of the anchor in a bone effects simultaneous removal of the elongated sheath from the threading loop and gripping member, which, when exposed, permit threading of a suture or section of tendon or other soft tissue through the eyelet of the suture anchor.

REFERENCES:
patent: 4632100 (1986-12-01), Somers et al.
patent: 5224946 (1993-07-01), Hayhurst et al.
patent: 5466243 (1995-11-01), Schmieding et al.
patent: 5534011 (1996-07-01), Greene, Jr. et al.
patent: 5591207 (1997-01-01), Coleman
Ogden, "A New Bone Anchor for Re-Attachment of Soft Tissue and Management of Fractures and Dislocations" Orthopedic Surgery, Surgical Technology International III, pp. 593-602, Oct., 1994.
Rosenberg, "Endoscopic Technique For ACL Reconstruction With Pro-Trac Tibial Guide", Acufex, 1991.
"Statak.TM. Soft Tissue Attachment Device", Zimmer, 1994.
Bradley, "The Anchor That Holds Fast", Linvatec, 1994.

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