Olympus Corporation

Olympus Optical Company, Ltd.

Apollo Endosurgery, Inc.

Other

Olympus Medical Systems Corporation

Pasricha, Pankaj Jay

Koichi Kawashima

Tetsuya Yamamoto

Tsutomu Nakamura

Takayuki Suzuki

Yoshio Onuki

Satoshi Miyamoto

Pankaj Jay Pasricha

Shotaro Takemoto

Sydney Sheung Chee Chung

Keita Suzuki

Masahiro Ishikawa

Hideki Shimonaka

Raifu Matsui

Yoshihiko Sugi

Tsukasa Kobayashi

Keiichi Arai

Yuji Sakamoto

Tsuyoshi Tsukagoshi

Koh Kimura

Tsutomu Okada

Akira Suzuki

Yasuhito Kura

Hiroki Moriyama

Sergey Veniaminovich Kantsevoy

Takayasu Mikkaichi

Tatsutoshi Hashimoto

Hiroyoshi Watanabe

Junichi Muramatsu

Hiroaki Ichikawa

Shunsuke Motosugi

Yuta Okada

Naohisa Yahagi

Masayuki Iwasaka

Ryuta Sekine

Anthony Nicholas Kalloo

Koji Kanbara

A ligating apparatus including a thread receiving portion movably disposed at a distal end of an inserting part body. An outer circumference of the thread receiving portion forms the loop holding portion around which a knot forming loop formed from a ligature is disposed. When a first end of the ligature is pulled into the thread receiving portion, the knot forming loop is pushed out of the loop holding portion by a delivery portion of the knot pusher. The knot forming loop is further pushed by the delivery portion along the ligature toward tissue and ligated. Such ligating apparatus is capable of reducing a load on the tissue to be ligated during a ligating operation.

Ligating apparatus

A medical apparatus including: a projecting member; an introducing sheath; an extrusion member inside the introducing sheath, at a proximal side of the projecting member and movable in an axial direction with respect to the introducing sheath; a cover sheath outside the introducing sheath, the introducing sheath being movable between a first and second position with respect to the cover sheath; an introducing sheath manipulating section at a proximal side of the introducing sheath; an extrusion member manipulating section at a proximal side of the extrusion member; a cover sheath manipulating section at a proximal side of the cover sheath; and a release member on the cover sheath manipulating section and/or the introducing sheath manipulating section to release a fixation between the extrusion member manipulating section and the introducing sheath manipulating section when the introducing sheath is disposed on the first or second position.

Apparatus for ligating/suturing living tissues and system for resecting/suturing living tissues

A medical ligating apparatus includes a medical ligating device having a member which is made of a flexible line and ligates living tissues, and a fixing member which is movably provided at the ligating member and fixes the living tissues in a ligated state, a manipulating device having a flexible sheath and a proximal manipulating section, and a cutting member for cutting the ligating member. The cutting member is provided on the manipulating device and is movably provided on the ligating member.

Medical ligating apparatus

An endoscopic instrument includes: a high-frequency knife for carrying out incisional intervention; a wire having a distal end connected to the high-frequency knife; an outer sheath for allowing the wire to pass therethrough; a main body having a proximal end of the sheath fixed thereto; a first slider, capable of freely sliding on the main body, having the wire fixed thereto; at least a stopper projecting radially outward relative to the wire; a first abutment member making contact with the stopper and regulating distal sliding movement of the wire; and a projection-length-adjusting member, provided in the outer sheath, for regulating proximal sliding movement of the wire by making contact with the stopper. This configuration allows the high-frequency knife to be maintained at different projection lengths based on the stopper making contact with the first abutment member and the stopper making contact with the projection-length-adjusting member.

Endoscopic instrument

A tissue puncturing system used to suture tissues in a body cavity including: an endoscope; a flexible sheath having a distal portion provided with at least a side opening and a lumen, through which an endoscope may pass; at least one mechanism for puncturing tissue disposed in the flexible sheath, and having a pointed end, which is movable from a first position to a second position; and an operation mechanism for moving the mechanism for puncturing between the first and second positions.

Endoscopic instruments for suturing tissues in a body cavity

In the case where the living tissues in the patient's body is resected as well, it is possible to suture the resected portion immediately without replacement with another treatment device after resection. Thus, prevention of bleeding from the resected portion or earlier repair of an ulcer that occurs with the resected portion can be carried out for the patent lowly invasively and easily.

An endoscopic treatment device is used with an endoscope. This treatment device includes a transmission member with a flexible structure having a distal end portion to be inserted into a body and can be operated outside the body, a push rod coupled to the distal end portion, and first and second connecting members rotatably coupled to the push rod. The treatment device further includes first and second arm members rotatably coupled to the distal end portion of the connecting member, a holding member rotatably holding the respective arm at a predetermined interval therebetween, and first and second actuating members integrally formed with the arm members and can open/close when the transmission member actuates the first and second connecting members and the first and second arm members through the push rod. This device also includes a needle mounted on at least one of the first and second actuating members.

Endoscopic suturing system

An endoscopic instrument used to form an artificial valve for treating gastroesophageal reflux disease (GERD).

Endoscopic instruments

A ligature and suture device for medical application that ligatures or sutures biomedical tissue that has been suctioned by a suction device using a suturing member. The ligature and suture device includes an insertion portion having a lumen into which an endoscope can be inserted, and a distal end portion that is connected to the lumen and in which at least one side aperture is provided, at least one hollow needle that is able to support inside itself the suturing member, and that is placed inside the insertion portion such that a tip of the hollow needle is able to move between a first position, which is on a base end side of the side aperture, and a second position, which is on a distal end side of the side aperture, an operating section that performs an operation to move the needle, and at least one pledget that can be penetrated by the needle, and that is placed in a vicinity of the distal end of the side aperture so as to be freely removable from the distal end portion.

Ligature and suture device for medical application, ligature and suture system for medical application, and ligaturing and suturing method for medical application

An endoscope for treatment suitable to the treatment in a body cavity comprises an elongated soft observing optical unit having at least an observing optical system; and a unit inserting tool having a unit inserting channel in which the observing optical unit is inserted and a treatment tool inserting channel in which a treatment tool is inserted. The unit inserting channel of the unit inserting tool has a branching portion at which the unit inserting channel is branched into a first inserting channel and a second inserting channel. An observing window which is arranged at the end opening of the first inserting channel is provided in a surface at the distal-end and an observing window which is arranged at the end opening of the second inserting channel is provided in a surface at the halfway portion. The unit inserting tool comprises an optical unit guiding port for guiding the observing optical unit and at least one treatment tool lead-in port in which a treatment tool is inserted at the proximal end portion and a treatment tool lead-out port which is communicated with the treatment tool inserting channel that extends from the treatment tool lead-in port at least in one of the surface at the distal-end and the surface at the halfway portion.

Endoscope suitable to body cavity

In an endoscopic treatment instrument having a plurality of sheaths, a supporting member for directly and indirectly supporting the plurality of sheaths, and a connecting member for directly/indirectly bringing the sheaths and an endoscope in a connected state are provided. The supporting member constrains a relative position of the plurality of sheaths and the connecting member can change the connecting state. Therefore, when an operator changes the connecting state of the connecting member, the positional relation of the endoscope and the plurality of sheaths can be changed, while the positional relation of the plurality of sheaths is still constrained. Accordingly, for example, left and right sheaths can be easily exchanged.

Endoscopic treatment instrument, endoscopic treatment system and supporting adaptor

Growing community of inventors

Hachioji, Japan

Koichi Kawashima