Implant for the closing of defect openings in the body of a human or animal and a system for the placement of such an implant
Patent 7097653 Issued on August 29, 2006. Estimated Expiration Date: January 3, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
An implant for the closing of defect openings in the body of a human or animal is proposed, with a load-bearing structure which, in a first operating state (primary form), has a great ratio of length to transverse extent along an axis (9) and, at least in a further operating state (secondary form), has a much smaller ratio of length to transverse extent along the axis (9), the load-bearing structure (1) being capable of being reversibly transformed from the secondary form into the primary form by exertion of a force against elastic material forces, the secondary form assuming approximately the form of a double disc with a proximal disc element (7) and a distal disc element (6) for receiving the surroundings of the defect opening between the disc elements, and the load-bearing structure (1) being formed essentially in one piece without joining connections, and a placement system.
Other References
Noel L. Mills et al., “Nonoperative Closure of Left-to-Right Shunts,” The Journal of Thoracic and Cardiovascular Surgery, 1976, pp. 371-378, vol. 72.
William J. Rashkind et al., “Nonsurgical Closure of Patent Ductus Arteriosus: Clinical Application of the Rashkind PDA Occluder System,” Circulation, 1987, pp. 583-592, vol. 75.
James E. Lock et al., “Transcatheter Closure of Atrial Septal Defects,” Circulation, 1989, pp. 1091-1099, vol. 79.
E.B. Sideris et al., “Transvenous Atrial Septal Defect Occlusion in Piglets with a ‘Buttoned’ Double-Disk Device,” Circulation, 1990, pp. 312-318, vol. 81.
Dusan Pavcnik et al., “Monodisk: Device for Percutaneous Transcatheter Closure of Cardiac Septal Defects,” Cardio Vascular and Interventional Radiology, 1993, pp. 308-312, vol. 16.
Gladwin S. Das et al., “Experimental atrial Septal Defect Closure with a New, Transcatheter, Self-Centering Device,” Circulation, 1993, pp. 1754-1764, vol. 88.
Eleftherios B. Sideris et al., “Occlusion of Large Atrial Septal Defects with a Centering Buttoned Device: Early Clinical Experience,” American Heart Journal, 1996, pp. 356-359, vol. 131.
Christopher H. Pozza et al., “Transcatheter Occlusion of Patent Ductus Arteriosus Using a Newly Developed Self-Expanding Device,” Investigative Radiology, 1995, pp. 104-109, vol. 30.
European Patent Office, “International Search Report from International Application Published under the Patent Cooperation Treaty,” International Application No. PCT/EP97/00500.
German Patent Office, “List of References Cited in DE 196 04 817,” Published Aug. 14, 1997.
European Patent Office, International Preliminary Examination Report from International Application Published Under the Patent Cooperation Treaty, International Application No. PCT/EP97/00500.
European Patent Office, “International Search Report from International Application Published Under the Patent Cooperation Treaty,” International Application No. PCT/EP01/00012.
European Patent Office, “International Preliminary Examination Report from International Application Published Under the Patent Cooperation Treaty,” International Application No. PCT/EP01/00012.
January 3, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
