Olympus Corporation

Olympus Optical Company, Ltd.

Ryuta Sekine

Raifu Matsui

Yuta Okada

Keita Suzuki

Sergey Veniaminovich Kantsevoy

Keiichi Arai

Anthony Nicholas Kalloo

Tetsuya Yamamoto

Yoshio Onuki

Yutaka Yanuma

Koichi Kawashima

Masahiro Ishikawa

Yukio Sato

Yasuo Miyano

Kazuhiko Ohzeki

Christopher J Gostout

In an endoscope therapeutic device having a plurality of introduction guide tubes for introducing a treatment tool into a body cavity, the introduction guide tubes are mutually joined at a position more proximal than bending portions thereof. Accordingly, the effects caused by the movement of the plurality of the introduction guide tubes are mutually invalidated at a joint portion as a fulcrum, so that the position of the introduction guide tube is relatively stabilized in the body cavity. As joining methods, there are integration, usage of a joint tool, and usage of an over tube. The operability is improved when the introduction guide tube is provided at the distal end thereof with a mechanism for retaining and/or rotating a distal end of a treatment tool inserted therethrough.

Endoscope therapeutic device

A position information transmitting member for transmitting position information to a staple receiving portion is provided in a tissue stapler having a staple receiving portion which comprises the anvil of the stapler. Thereby, an operator can easily locate the position of and grasp the staple receiving portion located within a tissue to swiftly execute stapling. The tissue stapler includes a stapling portion provided with an endoscope inserting tube path, a stapling portion provided with a staple injecting portion arranged on a distal end side of the inserting portion, and a staple receiving member (anvil) arranged separately from the inserting portion, to be grasped by a treatment tool introduced via the inserting portion in a state when it is opposed to the stapling portion via a tissue, to bend a distal end portion of a staple pressed out from the staple injecting portion of the stapling portion which has penetrated through the tissue.

Tissue stapler with positioning mechanism

An endoscopic treatment system is designed to suture or resect a lesion while ensuring the ease of insertion into a deep region in the large intestine. The endoscopic treatment system comprises an endoscope and a therapeutic instruments insertion aid into which the endoscope is inserted. The endoscopic treatment system further comprises: a pair of clamp forceps that clamps and lifts a living-body tissue; a lateral hole formed in the therapeutic instruments insertion aid and used to control the position of the living-body tissue clamped and lifted by the pair of clamp forceps or to control the lifting thereof; a ligature used to ligate the living-body tissue whose position or lifting is controlled by the lateral hole; and a cutter used to resect the living-body tissue at a position between a region ligated with the ligature and a region clamped and lifted with the pair of clamp forceps.

Endoscopic treatment system

The endoscopic system includes an endoscope having an insertion portion which is inserted into a body and has a forceps insertion duct, and a light emitting member which has an end portion that emits the light and is inserted into a hollow organ in the body through the forceps insertion duct of the endoscope. The light emitting member issues positional information of the hollow organ which is detected through the endoscope orally and gastrically inserted into an abdominal cavity by causing the end portion to emit the light in the hollow organ. The system includes a treatment instrument by which a treatment is conducted in the abdominal cavity in cooperation with the endoscope.

Endoscopic treatment system and anastomotic method using this system

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.

Guide tube

This invention provides an endoscopic treatment system for executing at least one of localized injection through mucous membrane, peeling off and cutting off of mucous membrane. This system has an endoscope, which has an insertion section provided with at least one channel extending therein. The system also has a plurality of treatment tools including a syringe needle for executing localized injection through a portion of mucous membrane, forceps for gripping a portion of mucous membrane, and at least one knife for executing at least one of peeling off and cutting off of mucous membrane. Further, this system includes an endoscopic guide tube to be inserted into the esophagus, which has a main channel for inserting therein the endoscope, and at least one sub channel for inserting therein each of the treatment tools.

An endoscope is provided which has a first forceps raising base and a second forceps raising base. The first forceps raising base is provided at a distal end opening of a first treating tool insertion channel formed at a distal end of an insertion section, and is adapted to be raised in a first direction. The second forceps raising base is provided at a distal end opening of a second treating tool insertion channel formed at the distal end of the insertion section, and is adapted to be raised in a second direction different from the first direction. The first and second raising directions of the first and second forceps raising bases are different from each other in at least two combinations.

Endoscope

The present invention is directed to an endoscopic surgery apparatus for performing treating operation in a body cavity of a patient with the use of treating tools in combination with an endoscope, in which insertion sections allowing the insertion of treating tools are externally arranged in a side-by-side fashion with an insertion section of the endoscope set between these insertion sections and a balloon is provided near a distal end of the insertion section of the endoscope to adjust a relative distance between the insertion sections relative to the insertion section of the endoscope. The balloon is provided on the insertion section of the endoscope and, when the endoscope and treating tools are introduced into the body cavity of the patient, it is possible to easily and properly lead the endoscope and treating tools to a region of interest of the patient.

Endoscopic surgery apparatus

A disposable medical instrument wherein at least part of the portion which does not directly contact the mucosa in body cavities is composed of a material containing hydrophilic polymer such as water soluble polymer or water absorptive polymer.

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Koganei, Japan

Ryuta Sekine