Patent ID: 9592042
Date: 2017-03-14
CPC Classifications: A61B,A61M

Claim:
1. A device for retracting and supporting surrounding organs and tissues, thereby creating a working space within a human or animal body, the device comprising an outer wall having inner and outer layers of material, the device having a non-expanded condition and an expanded condition wherein said device is expanded to the expanded condition by introduction of fluid, between the inner and outer layers of material, in said expanded condition the device having a truncated generally spherical shape; in said expanded condition said outer wall defining a hollow body having an inner cavity in communication with an orifice, the inner cavity forming a working site within said inner cavity and adjacent said orifice such that, in use, said working site can be visualised and/or accessed via said inner cavity and said orifice, wherein the outer wall defines one or more pre-formed apertures for introduction of an instrument, the inner cavity having a greater size when the device is in the expanded condition relative to when the device is in the non-expanded condition and predefined regions of said outer wall consist of said inner and outer layers of material.