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Collapsible internal bolster for gastrostomy device

  • US 6,364,858 B1
  • Filed: 03/31/1998
  • Issued: 04/02/2002
  • Est. Priority Date: 03/31/1998
  • Status: Expired due to Term
First Claim
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1. An internal bolster for a gastrostomy device with a tubular portion having an outer end and an inner end, the internal bolster comprising:

  • an inner surface being generally convex in shape and being integrally attached to and radially surrounding the tubular portion inner end;

    an outer surface defining a pocket; and

    a first part being defined by a first portion of the outer surface and being defined by a first portion of the inner surface that is adjacent to the tubular portion inner end, the first part radially surrounding the tubular portion inner end; and

    a second part being defined by a second portion of the outer surface and being defined by a second portion of the inner surface, the second part at least partially surrounding the first part;

    wherein the internal bolster is resiliently movable between an installation configuration and a deployed configuration, and wherein the first part is less flexible than the second part.

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