Multi-lumen high profile mammary implant
Patent 4773909 Issued on September 27, 1988. Estimated Expiration Date: 
December 9, 2006. 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.
December 9, 2006. 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.Patent ReferencesInventorAssigneeApplicationNo. 06/939567 filed on 12/09/1986US Classes:623/8, Implantable623/7BREAST PROSTHESISExaminersPrimary: Apley, Richard J.Assistant: Isabella, David J. Attorney, Agent or FirmInternational ClassesA61F 2/12 (20060101)A61L 27/18 (20060101) A61L 27/00 (20060101) AbstractA surgically implantable, multi-lumen, high profile mammary implant includes a first, flexible, lumen at least partly and filled with a soft gel material and having a front wall approximating the shape of a human breast and a second, firmer flexible lumen elastic within the first lumen and connected thereto solely at the rear wall of the first lumen. The second lumen has a volume which is less than the volume of the first lumen and at least partly filled with a second soft gel material. A third lumen preferably inflatably surrounds the first lumen and is inflated with saline solution. The second lumen is made firmer than any other lumen of the implant by providing it with a greater percent fill than any other lumen of the multi-lumen implant, filling it with a material which has a greater density than any materials filling any other lumen of the implant, providing it with thicker walls than any other lumen, or by filling it with material which has a greater crosslink density than the materials filling any of the other lumens. The multi-lumen, structure has a high profile implant which is most suitable for breast reconstruction.Other References
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