Soft prosthesis shell texturing method
First Claim
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1. A breast implant comprising:
- a closed envelope of silicone elastomer having an exterior surface and a thickness, wherein the exterior surface has an open-pored structure comprising round open cavities defined by impressions of round particles, wherein the open-pored structure does not extend through the entire thickness of the silicone elastomer and wherein the envelope exhibits an ultimate elongation between 591% and 705% and a tensile strength between 761 psi and 934 psi.
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Abstract
A method of texturing a soft prosthetic implant shell, such as a silicone breast implant shell. A soft prosthetic implant with a textured external surface layer of silicone elastomer and having an open-cell structure is made by adhering and then dissolving round salt crystals. The resulting roughened surface has enhanced physical properties relative to surfaces formed with angular salt crystals. An implant having such a textured external surface layer is expected to help prevent capsular contraction, to help prevent scar formation, and to help in anchoring the implant within the body.
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5 Claims
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1. A breast implant comprising:
a closed envelope of silicone elastomer having an exterior surface and a thickness, wherein the exterior surface has an open-pored structure comprising round open cavities defined by impressions of round particles, wherein the open-pored structure does not extend through the entire thickness of the silicone elastomer and wherein the envelope exhibits an ultimate elongation between 591% and 705% and a tensile strength between 761 psi and 934 psi. - View Dependent Claims (2, 3, 4, 5)
Specification