TISSUE EXPANDER
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
May 14, 2015
filing date -
May 14, 2015
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tissue expander comprising: an outer shell; a first open obloid shell disposed in the outer shell, the first open obloid shell comprising: a first annular face; a first outward face disposed opposing to the first annular face; and a first annular sidewall interposed between the first annular face and the first outward face to connect the first outward face to the first annular face; and a second open obloid shell disposed in the outer shell, the second open obloid shell comprising: a second annular face; a second outward face disposed opposing to the second annular face; and a second annular sidewall interposed between the second annular face and the second outward face to connect the second outward face to the second annular face, wherein the first open obloid shell and the second open obloid shell are stackingly arranged in the outer shell such that the first annular face opposes the second annular face.
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