Patent application number | Description | Published |
20090093679 | COUPLING STRUCTURE FOR ENDOSCOPE FLEXIBLE TUBE AND ANNULAR COUPLING MEMBER - An insertion section of an endoscope has a flexible tube portion and a bending portion whose proximal end portion is coupled with a distal end of the flexible tube portion, a plurality of node rings are aligned in a bending tube serving as a base body portion of the bending portion, opening portions as through openings are provided in a node ring, protruding portions each having substantially the same shape as the opening portion are provided on an outer peripheral surface of a joint portion of the flexible tube portion that is inserted into the node ring, and a coupling structure according to the present invention couples the bending portion with the flexible tube portion by inserting the joint portion into the node ring and fitting the protruding portions into the opening portions. | 04-09-2009 |
20090171150 | OBSERVATION UNIT DETACHABLE TYPE ENDOSCOPE AND ENDOSCOPE MAIN BODY - An endoscope main body of an endoscope includes a body cavity insert ion section, at least one operating arm section, a main body operating section, an arm section operating section, and an observation unit attachment/detachment mechanism. The insertion section includes a main body bending portion at the distal end portion of the endoscope main body. The operating arm section includes arm section bending portion connected to the distal end of the insertion section. The main body operating section includes a first operation mechanism provided on the proximal end side of the insertion section. The arm section operating section includes a second operation mechanism provided on the proximal end side of the insertion section. The observation unit attachment/detachment mechanism detachably attaches, to the insertion section, an observation unit provided in the insertion section and having a camera section and a signal transmission section which transmits video data. | 07-02-2009 |
20090171160 | ENDOSCOPE MAIN BODY AND ENDOSCOPE - An endoscope main body constituting an endoscope in a state in which an elongated detachable observation optical system is attached to the endoscope main body, and in a proximal end of an insertion section of the endoscope main body, a branch member is disposed. The branch member is provided so that a first extended section and a second extended section are branched from each other and thereby first and second operating sections are separately arranged. Furthermore, the branch member has an opening as an inlet which guides an imaging module in a distal end of the observation optical system to a hard portion of the insertion section. | 07-02-2009 |
20090209819 | BENDING SECTION STRUCTURE OF ENDOSCOPE - First stepped portions are provided on both sides of each of two front-side projection portions of a front end portion of a node ring. Second stepped portions are provided on both sides of each of two rear-side projection portions of a rear end portion of the node ring. At a time of bending of a bending section, when two front and rear node rings of a bending tube are rotated to a maximum rotational position, the pivotal angle α between the front and rear node rings is restricted to a predetermined restriction angle that prevents, when the bending section is bend-operated, an outer sheath tube from being bitten between the node rings, by the restriction due to contact between the second stepped portion of the front-side node ring and the first stepped portion of the rear-side node ring. | 08-20-2009 |
20090242115 | Method of manufacturing insertion portion of endoscope - The present invention provides a simple method of manufacturing an insertion portion of an endoscope. | 10-01-2009 |
20090253958 | ENDOSCOPE, CONNECTION METHOD OF BENDING SECTION AND FLEXIBLE SECTION IN ENDOSCOPE, PRODUCTION METHOD OF ENDOSCOPE PROVIDED FOR THIS CONNECTION METHOD, ENDOSCOPE OVERTUBE, CONNECTION METHOD OF BENDING SECTION AND FLEXIBLE SECTION IN ENDOSCOPE OVERTUBE AND PRODUCTION METHOD OF ENDOSCOPE OVERTUBE PROVIDED FOR THIS CONNECTION METHOD - An endoscope includes a bending section formed to be bendable by aligning a plurality of substantially cylindrical node rings and coupling the adjoining node rings to each other to allow them to swivel, a flexible section directly coupled to the bending section by fitting a distal end thereof into a proximal end side node ring arranged on the most proximal end side of the bending section, an operation wire that is inserted into the flexible section and the bending section and operates the bending section, and a wire guide section that guides the operation wire inserted into the flexible section to the bending section in the flexible section. | 10-08-2009 |
20090259100 | ENDOSCOPIC SYSTEM - An endoscopic system is composed by connecting an endoscope and peripheral equipment. The endoscope has an endoscope main body, and an imaging unit, which is slender imaging optics. The endoscope is constructed so that the endoscope main body and imaging unit are freely connectable and separable. The endoscope main body has an insertion part which is inserted into an abdominal cavity, a branch member, which is a middle end of the endoscope main body, and provided in a proximal end portion of the insertion part, a first extension part provided in the proximal end portion of the branch member, a main body operation unit provided in a proximal end portion of the first extension part, a universal cord, and a connection unit, which is provided in a proximal end portion of the universal cord, and is connected to the peripheral equipment. | 10-15-2009 |
20090281388 | ENDOSCOPE COVER AND COVER-TYPE ENDOSCOPE - An endoscope cover, which is detachably fitted on an insertion section of an endoscope, includes a sheath main body support member to which a proximal end of a sheath section of the endoscope cover is connected, and a built-in tube support member to which a built-in tube that is disposed in the sheath section is connected. The built-in tube support member is coupled to the sheath main body support member in a manner to be movable relative to the sheath main body support member in a longitudinal axial direction of the sheath section. | 11-12-2009 |
20100210905 | ENDOSCOPE - An endoscope includes an elongated insertion portion inserted into a lumen, an operation portion coupled with a proximal end portion of the insertion portion, and an imaging unit which is arranged in a distal end portion of the insertion portion and which is configured to acquire an endoscopic image. The endoscope includes an imaging unit attachment, portion which is provided at the distal end portion of the insertion portion and detachably holds the imaging unit, an imaging unit insertion/removal portion which is provided in the operation portion and enables insertion/removal of the imaging unit with respect to the insertion portion, and an operating mechanism which includes a distal end portion fixed to the imaging unit and a proximal end portion extended to a imaging unit insertion/removal portion side, and which is configured to perform an attachment/detachment operation of the imaging unit on the imaging unit insertion/removal portion side. | 08-19-2010 |
20100217082 | COVERED-TYPE ENDOSCOPE, COVER-ADAPTED ENDOSCOPE AND ENDOSCOPE-COVER - A covered-type endoscope includes an endoscope-cover and a cover-adapted endoscope to be inserted into the endoscope-cover. The endoscope-cover includes a tube and a cover-bending portion with a plurality of longitudinally joined cover-joint pieces. The cover-adapted endoscope includes a bending portion with a plurality of longitudinally joined joint pieces. The bending portion includes a guide portion which guides the tube in the longitudinal direction of the bending portion and cooperates with the cover-bending portion of the endoscope-cover to provide a tube placement chamber between the guide portion and the cover-bending portion of the endoscope-cover so that a conduit for the tube is maintained. The tube is flexible to bend in accordance with the bending of the cover-bending portion and the bending portion. | 08-26-2010 |
20120004503 | TREATMENT ENDOSCOPE - A treatment endoscope includes that a body cavity insertion portion which includes a main body distal hard portion, and a main body curving portion provided to a proximal side of the main body distal hard portion, one or more treatment arm/arms projecting to a distal side from the main body distal hard portion, each of the treatment arm/arms including a curving mechanism, an operation portion provided to the proximal side of the body cavity insertion portion, and an observation section configured to image a field of view in a body cavity, the observation section including an imaging section provided within the main body distal hard portion. The treatment endoscope includes that an operation portion attaching/detaching mechanism configured to removably attach the operation portion to the body cavity insertion portion, and an observation section attaching/detaching mechanism configured to removably attach the observation section to the body cavity insertion portion. | 01-05-2012 |
20120016191 | COVER-ADAPTED TREATMENT ENDOSCOPE AND ENDOSCOPE COVER - An endoscope cover of a cover-adapted treatment includes a cover insertion portion main body, the cover insertion portion main body including a cover bending portion which is provided to a proximal side of a cover distal end portion and which is configured to be bent in response to a bending of a main body bending portion of an endoscope main body in an attached condition where the endoscope main body is inserted in an insertion passage. The endoscope cover includes a positioning section configured to determine an insertion position of the endoscope main body where the main body distal portion does not project from a distal end of the cover insertion portion main body in the attached condition, and one or more treatment arm/arms which projects/project from the distal end of the cover insertion portion main body toward a distal side. | 01-19-2012 |
20120170970 | FLEXIBLE ENDOSCOPE PART - A flexible endoscope part including an operation member pulling operated to curve a flexible part, a plurality of joint rings connected substantially coaxially to be pivot-able in relation to each other, each the joint rings have an opening part and an engagement part, and an operation-member receiving unit which is inserted into the opening part from outside to inside in the radial direction of the joint ring, is formed by performing bending process on an elastic wire material, is protruded into inside of the joint ring, wherein the operation-member insertion part forms a coil shape which extends in an insertion direction of the operation member. | 07-05-2012 |