Importance

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Abstract

The tissue expander includes a shell with a base layer and an expansion layer that define an expansion chamber therebetween. A conduit or fill tube extends from the shell and is the sole source of communication with the expansion chamber. The base and expansion layers are thermoplastically joined together by a major seam and a minor seam. The major seam is substantially concealed within the expansion chamber whereas the minor seam defines a border portion of the expansion chamber and is not concealed. The tissue expander can be of any selected size and shape. The base layer can be made expandable along with the expansion layer or nonexpandable as desired.

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First Claim