US2014180413A1PendingUtilityA1

Silk covered prosthesis

65
Assignee: ALLERGAN INCPriority: Mar 27, 2009Filed: Feb 25, 2014Published: Jun 26, 2014
Est. expiryMar 27, 2029(~2.7 yrs left)· nominal 20-yr term from priority
Inventors:Dennis E. Van EppsThomas E. Powell
A61P 17/00A61L 27/3834A61L 27/18A61L 27/3886A61L 27/56A61L 27/3604A61L 27/58A61L 27/3804A61L 27/34A61L 2420/06A61L 2430/04A61F 2/12
65
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Claims

Abstract

Disclosed herein are polyurethane polymer matrices with a porosity of from about 20 microns to about 90 microns that are useful in promoting closure and protection of incision sites; supporting the lower pole position of breast implants; and providing a partial or complete covering of breast implants to provide a beneficial interface with host tissue and to reduce the potential for malpositioning or capsular contracture. The disclosed matrices can be seeded with mammalian cells.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A medical implant comprising:
 a breast prosthesis; and   a covering on said breast prosthesis, the covering comprising silk;   the covering providing a beneficial interface between the breast prosthesis and host tissue and reducing the potential for malpositioning or capsular contracture.   
     
     
         2 . The implant of  claim 1  wherein the covering is a partial covering on said breast prosthesis. 
     
     
         3 . The implant of  claim 1  wherein the covering is a complete covering of said breast prosthesis. 
     
     
         4 . The implant of  claim 1  wherein the covering consists essentially of silk. 
     
     
         5 . The implant of  claim 1  wherein the covering is a wrap like configuration. 
     
     
         6 . The implant of  claim 1  wherein the breast prosthesis is a silicone or saline filled breast prosthesis. 
     
     
         7 . The implant of  claim 1  wherein the silk is woven. 
     
     
         8 . The implant of  claim 1  wherein the silk is a spun fiber. 
     
     
         9 . The implant of  claim 1  wherein the covering is porous. 
     
     
         10 . The implant of  claim 1  wherein the covering is porous and has a pore size diameter of from about 10 to about 1000 microns. 
     
     
         11 . The implant of  claim 1  wherein the covering is porous and has a pore size diameter of from about 20 to about 90 microns. 
     
     
         12 . A medical implant useful for reconstruction or augmentation, the implant comprising:
 a fluid-filled prosthesis; and   a covering on said prosthesis, the covering comprising silk;   the covering providing a beneficial interface between the prosthesis and host tissue.   
     
     
         13 . The implant of  claim 12  wherein the covering is a partial covering on said prosthesis. 
     
     
         14 . The implant of  claim 12  wherein the covering is a complete covering of said prosthesis. 
     
     
         15 . The implant of  claim 12  wherein the covering consists essentially of silk. 
     
     
         16 . The implant of  claim 12  wherein the covering is a wrap like configuration. 
     
     
         17 . The implant of  claim 12  wherein the prosthesis is a silicone or saline filled prosthesis. 
     
     
         18 . The implant of  claim 12  wherein the silk is woven. 
     
     
         19 . The implant of  claim 12  wherein the silk is a spun fiber. 
     
     
         20 . The implant of  claim 12  wherein the covering is porous. 
     
     
         21 . The implant of  claim 12  wherein the covering is porous and has a pore size diameter of from about 10 to about 1000 microns. 
     
     
         22 . The implant of  claim 12  wherein the covering is porous and has a pore size diameter of from about 20 to about 90 microns. 
     
     
         23 . A breast implant comprising:
 a saline or silicone filled breast prosthesis; and   a covering on said breast prosthesis in a wrap like configuration, the covering comprising woven silk;   the covering providing a beneficial interface between the breast prosthesis and host tissue and reducing the potential for malpositioning or capsular contracture;   the covering being porous and having a pore size diameter of from about 10 to about 1000 microns.   
     
     
         24 . The implant of  claim 23  wherein the covering has a pore size diameter of from about 20 to about 90 microns.

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