US 6,988,987 B2Granted

Guide tube

AssigneeOlympus Corporation

InventorsMasahiro Ishikawa, Keita Suzuki, Koichi Kawashima, Tetsuya Yamamoto, Yoshio Onuki, Ryuta Sekine, Anthony Nicholas Kalloo, Sergey Veniaminovich Kantsevoy

Life of this patent

Estimating the term…

patentgrep

Loading patent…

Abstract

There is provided a flexible guide tube which guides an endoscope or a therapeutic device into an abdominal cavity through the mouth and stomach to conduct an observation or a therapeutic treatment in the abdominal cavity. The guide tube includes an insertion section which has a distal end, a peripheral section, and a central axis, and which is capable of being inserted into a body through the mouth, and two expandable and shrinkable balloons arranged in the vicinity of the distal end at a predetermined distance from each other in the axial direction on the periphery of the insertion section. The predetermined distance is preferably set to 3 to 8 mm, and the length of the insertion section is preferably set to about 600 to 1000 mm.

Claims2

Dependent claims

A flexible guide tube to guide an endoscope or a therapeutic device into a body cavity through the mouth, the guide tube comprising:

an insertion section which can be inserted into a body through the mouth, the insertion section having a distal end arranged in the body and at least one lumen, through which the endoscope or therapeutic device can be inserted;
a proximal end which is connected to the insertion section and is arranged on the outside of the body;
a shaft which is arranged in the vicinity of the distal end in the direction perpendicular to the direction in which the longitudinal axis of the insertion section extends;
a curved needle which is rotatably attached to the shaft and which has an engaging portion capable of engaging a suture therewith;
and
driving force transmitting member which has one end connected to the curved needle and the other end arranged at the proximal end,
wherein the distal end is capable of being fixed to a required portion in the body cavity to suture tissue by operating the driving force transmitting member on the outside of the body.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 10/390,365Filed 17 Mar 2003 · us provisional application
Priority: 18 Mar 2002
Published: US 2003/0229296 A111 Dec 2003
Granted: 24 Jan 2006
Term ends: Not estimatedThe source records don’t support an estimate.

Classification21 codes

A61B 1/00082
Characterised by distal tip features: balloons
A61B 1/00135
Accessories for endoscopes: oversleeves mounted on the endoscope prior to insertion
A61B 1/00154
Holding or positioning arrangements: using guiding arrangements for insertion
A61B 17/0057
Surgical instruments, devices or methods: implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel…