Reduced area thread profile for an open architecture anchor

The disclosure provides examples of an open architecture anchor (100) for securing soft tissue to bone, for example, to repair a torn rotor cuff. The anchor includes a helical screw thread (105) having a base (125) and two sidewalls (135a, 135b) that are non-linear. The non-linear sidewalls extend f...

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Bibliographische Detailangaben
1. Verfasser:	Housman, Mark Edwin
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DIAGNOSIS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURGERY TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The disclosure provides examples of an open architecture anchor (100) for securing soft tissue to bone, for example, to repair a torn rotor cuff. The anchor includes a helical screw thread (105) having a base (125) and two sidewalls (135a, 135b) that are non-linear. The non-linear sidewalls extend from opposing ends of the base and meet at a peak (140). The non-linear sidewalls are circumscribed within a triangle (145) defined by the peak and ends of the base. Compared to the standard triangle profile, the helical screw thread profile has a smaller cross-sectional surface area and, consequently, removes less bone. The helical screw thread having the reduced cross-sectional area preserves bone stock and enhances the holding strength of the anchor in bone.