Surgery – Instruments – Suture retaining means
Reexamination Certificate
1999-06-25
2001-10-30
Recla, Henry J. (Department: 3731)
Surgery
Instruments
Suture retaining means
Reexamination Certificate
active
06309405
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a new and improved suture anchor and more specifically to a suture anchor which is formed of body tissue.
Anchors are commonly utilized to retain sutures in a patient's body. The anchors have previously been formed of metal, such as stainless steel or titanium. In addition, anchors have been formed of biodegradable materials. While being generally satisfactory, these known anchors have the drawback that they are material which is not body tissue and are inserted into a patient's body. It has previously been suggested to construct anchors in the manner disclosed in U.S. Pat. Nos. 5,405,359; 5,403,348; 5,203,787; 5,046,513; and 5,041,129.
SUMMARY OF THE INVENTION
The present invention relates to a new and improved suture anchor which is formed of body tissue. The body tissue is shaped to the desired configuration of the anchor. The body tissue defines a passage through the anchor. A suture is inserted into the passage in the anchor. The anchor and the suture are inserted into a patient's body.
The anchor may be formed of many different types of body tissue, including osseous body tissue, bone, or dense connective tissue. The body tissue may be dried so that when the anchor is exposed to fluid in a patient's body, the anchor absorbs the fluid and expands. The body tissue may be from the patient's body, from another human, or from a non-human animal.
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Article entitled “The Search for the Holy Grail: a Century of Anterior Cruciate Ligament Reconstruction”, by R. John Naranja, Jr., MD, John Corsetti, MD, Jeffrey R. Kuhlman, MD, and Joseph S. Tory, MD,The American Journal of Orthopedics, Nov. 1997, pp. 743-752.
Bui Vy Q.
Recla Henry J.
Tarolli, Sundheim, Covell Tummino & Szabo L.L.P.
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