Patent ID: 8337395

Claim:
An apparatus for positioning an endoscope relative to a body surface, the apparatus comprising: a first tube body; a first operation wire arranged to the first tube body and configured to be controlled to bend the first tube body; a second operation wire arranged to the first tube body and configured to be controlled to bend the first tube body; and a balloon portion comprising: a first expandable balloon arranged to an external surface of the first tube body, the first expandable balloon having an expanded configuration; and a second expandable balloon arranged to the external surface of the first tube body and separated from the first balloon by a space, the second expandable balloon having an expanded configuration; wherein the first expandable balloon and the second expandable balloon are further configured to receive the body surface in the space separating the first expandable balloon and the second expandable balloon and to fix the body surface between the first expandable balloon in the expanded configuration and the second expandable balloon in the expanded configuration, wherein the first tube body defines at least: an endoscope receiving lumen configured to receive the endoscope, a first operation wire receiving lumen configured to receive the first operation wire and a first fluid, a first fluid communication lumen configured to connect the first operation wire receiving lumen with an interior of the first expandable balloon to feed the first fluid into the interior of the first expandable balloon to expand the first expandable balloon into its expanded configuration, a second operation wire receiving lumen configured to receive the second operation wire and a second fluid, and a second fluid communication lumen configured to connect the second operation wire receiving lumen with an interior of the second expandable balloon to feed the second fluid into an interior of the second expandable balloon to expand the second expandable balloon into its expanded configuration.