Endoscopic inflatable retraction devices
AssigneeOrigin Medsystems, Inc.
InventorsFrederic H. Moll, Charles Gresl, Jr., Albert K. Chin, Philip K. Hopper
Life of this patent
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Abstract
An inflatable apparatus for organ retraction includes a main envelope which forms a main chamber. An additional chamber is formed by attaching the periphery of an additional envelope to the outside or the inside of the main envelope. The part of the surface of the main envelope that is not covered by the additional envelope provides a plurality of windows, which, after the additional chamber is inflated, may be at least partially removed to provide apertures through which treatment or observation can be carried out.
Claims10
A method of making an inflatable apparatus for retracting an organ, the inflatable apparatus including a main chamber and an additional chamber, the method comprising steps of:
- providing a main envelope and an additional envelope;
- forming the main chamber from the main envelope;
- and
- peripherally attaching the additional envelope to the main envelope to enclose the additional chamber and to form an arrangement in which one of the main envelope and the additional envelope is nested within the other of the main envelope and the additional envelope, and to provide
- a piercable window in a part of the main envelope not covered by the additional envelope.
A method of making an inflatable apparatus for retracting an organ, the inflatable apparatus including a main chamber and an additional chamber, the method comprising steps of:
- providing main envelope blanks and additional envelope blanks;
- forming a first envelope half and a second envelope half, each envelope half being formed by steps including:
- laying one of the additional envelope blanks on one of the main envelope blanks, and
- peripherally attaching the one of the additional envelope blanks to the one of the main envelope blanks to partially form the additional chamber;
- peripherally attaching the main envelope blank of the first envelope half to the main envelope blank in the second envelope half to form the main chamber;
- and
- peripherally attaching the additional envelope blank of the first envelope half to the additional envelope blank of the second envelope half to complete the additional chamber and to form an arrangement in which one of the main envelope and the additional envelope is nested within the other of the main envelope and the additional envelope.
Dependencies are inferred from the claim text.