Tissue expander with self-contained injection reservoir and reinforcing insert

摘要: A tissue expander, of the type containing within interior its expandable shell an injection reservoir self-sealing to punctures by a hypodermic needle, is disclosed. The expander includes reinforcing member or insert which substantially more rigid than shell, larger reservoir, and mounted with center at apex superimposed reservoir. prevents folding over thereby inadvertent puncture needle directed into Magnetically detectable material enable externally applied magnet locator find when entire assembly temporarily implanted in patient.