Olympus Corporation

Olympus Medical Systems Corporation

Bridgestone Corporation

Canon Kabushiki Kaisha

Toyota Boshoku Kabushiki Kaisha

Honda Motor Co., Ltd.

Masatoshi Sato

Takayuki Suzuki

Kunihide Kaji

Shinji Takahashi

Kazushi Murakami

Keita Suzuki

Tetsuya Yamamoto

Takayasu Mikkaichi

Yoshiyuki Takahashi

Toshiyuki Horimatsu

Tatsutoshi Hashimoto

Junji Shiono

Yoichi Nabeshima

Takuo Yokota

Kensuke Hayashi

Kosuke Motai

Akiko Mizunuma

Shunsuke Motosugi

Nobuko Matsuo

Masayuki Iwasaka

David E Barlow

Yusuke Nomura

Rei Matsunaga

Satoko Suzuki

Takao Fujiwara

Noriko Kuroda

Ayano Ishioka

Yasuomi Tanaoka

Toshihiro Shizuka

Mariko Wada

Akihiro Kawashima

Tetsuya Kudo

Toraki Iwamaru

Yamato Nakamizo

Ryuhei Shimada

Hiroko Sakamoto

Satoshi Fukuoka

Keita Shoji

A tissue-fastening tool indwelling system includes: a sheath; a needle tube disposed in the sheath; a tissue-fastening tool including a wire having a coil region disposable in the needle tube in a stretched state and restorable to a coil shape with the same winding diameter outside the needle tube; a stylet connected to the wire; and a manipulation part for manipulating the stylet to advance the wire and rotate the sheath in a first direction. In a state where a distal end of the needle tube is proximal of the distal end of the sheath, the manipulation part is designed to operate such that the wire is delivered from the sheath by a length of one winding of the coil region per rotation of the sheath by less than one turn, and the protruding coil region biased to have a diameter larger than the winding diameter.

Tissue-fastening tool indwelling system and method for indwelling tissue-fastening tool

An endoscopic treatment tool includes: a needle tube in which a needle tube insertion passage extending from a distal end to a proximal end of the needle tube is formed; a stylet which is disposed to move freely in the needle tube insertion passage; a main manipulation part which is connected to a proximal end side of the needle tube, the main manipulation part supporting the stylet such that the stylet advances while rotating, and the main manipulation part operating the stylet; a manipulation transmission member which has flexibility and the manipulation transmission member is connected to the stylet; and an auxiliary manipulation part which includes a handle fixed to a proximal end portion of the manipulation transmission member and the auxiliary manipulation part is configured such that the manipulation transmission member advances while rotating in accordance with a manipulation of the handle.

Endoscopic treatment tool

A molded foam member manufacturing method including: a first process of placing a foam molded first portion and a rigid member in a second portion forming mold, and pressing and fixing the rigid member against the second portion forming mold; and a second process of pouring a second portion-forming synthetic resin raw material into the second portion forming mold and foam molding a second portion so as to surround at least a portion of the rigid member and to form an integral unit with the first portion.

Molded foam member manufacturing method and shock absorbing member

A tissue-fastening tool indwelling device includes: a sheath; a needle tube having a needle tip and disposed to be retractable from a distal end of a lumen of the sheath; a tissue-fastening tool having a restoring force to a curved shape with distal and proximal end side regions and disposed inside the needle tube in a stretched state; and a stylet coupled to a proximal end portion of the tissue-fastening tool in the needle tube. The stylet has a first state in which the stylet is advanced straight with respect to the needle tube and the sheath until the entire distal end side region of the tissue-fastening tool protrudes from the needle tube, and a second state in which the stylet is advanced while being rotated until a proximal end of the proximal end side region of the tissue-fastening tool protrudes from the needle tube.

Tissue-fastening tool indwelling device

An endoscopic treatment tool set includes: an endoscopic treatment tool that includes a sheath having a lumen, an elongated shaft inserted into the lumen and the elongated shaft having an insertion passage, a stylet disposed in the insertion passage, an implant connected to the stylet, and a manipulation part provided at the sheath; and a jig. The endoscopic treatment tool is packed together with the jig. The jig is coupled to a proximal end portion of the stylet disposed in the manipulation part and the jig is configured to be movable relative to the manipulation part. The implant is connected to the jig via the stylet, and the implant is configured such that the jig is pulled toward a proximal end side of the manipulation part so that the stylet is moved to a proximal end side in the insertion passage and the implant is loaded in the insertion passage.

Endoscopic treatment tool set

An endoscopic treatment tool includes: a sheath in which a lumen is formed; a treatment part which is inserted into the lumen and is configured to protrude and retract from a distal end of the sheath; a main manipulation part which is connected to the proximal end side of the sheath and allows the treatment part to perform a first motion and a second motion; an auxiliary manipulation part which is disposed to be separate from the main manipulation part and is configured to perform the first motion of the treatment part and configured to put the second motion out of action; and a manipulation transmission member which is made of a flexible member, connects the auxiliary manipulation part to the main manipulation part, and transmits a manipulation input of the auxiliary manipulation part with respect to the main manipulation part.

An endoscopic treatment tool includes a sheath having a lumen, an elongated shaft inserted into the lumen and having an insertion passage, a stylet disposed in the insertion passage, an implant connected to the stylet, and a manipulation part main body provided on the sheath, a slider advanceable and retractable in an axial direction relative to the manipulation part main body, and a cam tube retracting while rotating in accordance with manipulation of the slider and having a spiral guide passage. A proximal end portion of the stylet has a projection engaged with the guide passage such that a force retracting the stylet is applied to the stylet by the cam tube retracting while rotating. The projection is slidable on the guide passage such that the stylet is advanceable relative to the elongated shaft against the force.

An implant placement device includes a sheath; a long-axis member having an opening on a distal end side, movable along an axis, and a lumen communicating with the opening; a stylet movable in the axis and provided within the lumen to be turnable around the axis; an operating part on a proximal end side of the stylet to turn the stylet around the axis; a guide part on the proximal end side of the sheath to guide the operating part in a predetermined direction, thereby moving the sheath in the axis with respect to the stylet and turning a distal end portion of the stylet around the axis; and a coupling portion formed at the distal end of the stylet, detachably coupled with an implant, and moving in the axis and turning around the axis along with the stylet and the implant according to an operation of the operating part.

Implant placement device, coupling support, and endoscopic treatment tool

A molded foam member manufacturing method including: a first process of placing a foam molded first portion () (first molded body) and a rigid member () (rigid plate) in a second portion forming mold () (forming mold); and a second process of pouring a second portion-forming synthetic resin raw material (U) (foamable material) into the second portion forming mold () (forming mold) and foam molding a second portion () (second molded body) so as to surround a portion of the rigid member () (rigid plate) and form an integral unit with the first portion () (first molded body).

Molded foam member manufacturing method, and shock absorbing member

A puncture treatment tool includes a needle tube whose distal end is insertable into tissue, a cylindrical main body through which the needle tube is inserted, a needle stopper through which the main body is inserted and which is provided such that a position where the needle stopper is fixed to the main body can be changed in a direction of a longitudinal axis of the main body, and a slider which is fixed to a proximal end part of the needle tube, the slider being disposed to be operated movable relative to the main body. The slider is configured to be capable of selecting from a first state in which the slider is movable in the axial direction relatively to the main body without rotating in the circumferential direction of the main body, or a second state in which the slider is rotatable in the circumferential direction.

Puncture treatment tool

An endoscope treatment tool includes a sheath; a support part; a pair of forceps members that are arranged in front of the sheath and are supported so as to be relatively rotatable around a rotation shaft provided at the support part; a linear member that is inserted through the sheath so as to be capable of advancing into and retracting from the sheath, brings opposed surfaces, which are respectively provided closer to distal end sides of the pair of forceps members than the rotation shaft, closer to each other as the linear member is separated from the rotation shaft, and separates the pair of opposed surfaces from each other as the linear member approaches the rotation shaft; an elastic member that is supported by the linear member or the support part; and a locking portion that is provided on the linear member or the forceps members.

Endoscope treatment tool

An implant placement device includes a longitudinal axis member having a lumen extending along a longitudinal axis of the longitudinal axis member such that the implant is disposed in a stretched state and an opening formed by communicating with the lumen, a stylet provided in the lumen, a sheath into which the longitudinal axis member is inserted,&#x2014;an operating part operating the sheath so as to be rotatable around the longitudinal axis, and having a contact surface that is in contact with a part of the implant, which is pushed out of the opening of the longitudinal axis member by the stylet, in a rotational direction around the longitudinal axis in a state where the opening of the longitudinal axis member is located inside the sheath.

Implant placement device

This tissue fastening apparatus is a tissue fastener for clamping first biological tissue and second biological tissue so as to be in close contact with each other, including: a first tissue fixation portion, made of an elastic wire wound in a coil, that is locked on the first biological tissue; and a second tissue fixation portion, made of an elastic wire wound in a coil, that is locked on the second biological tissue, the second tissue fixation portion continuing into the first tissue fixation portion, in which when falling off first and second biological tissue necrotized by being clamped between the first tissue fixation portion and the second tissue fixation portion, the tissue fastener moves only from the second tissue fixation portion to the first tissue fixation portion side and falls off.

Method of forming through hole

An endoscopic treatment tool includes a sheath, a support portion which is attached to a distal end of the sheath, a pair of forceps members which are provided on the support portion, a linear portion which is inserted through the sheath so that the linear portion is capable of advancing and retracting, the linear portion causing facing surfaces each provided on the pair of forceps members to approach each other, and the linear portion separating the pair of facing surfaces from each other, an engaging portion which is provided in the support portion, an engaged portion which is provided in the linear portion, and a moving mechanism that moves the position of the distal end portion of the linear portion to a distal end position closer to the distal end side than the engaged portion.

The applicator related to the present invention is provided with a flexible sheath longer than the overall length of an instrument channel of a flexible endoscope; an operation part used outside the instrument channel; a deployed section that can be made to protrude from the front end of the sheath by operating the operation part and to pierce a tissue; a tissue fastening tool made of a superelastic wire formed in coil shape and housed inside the deployed section in a substantially extended condition; and a pusher that pushes out the tissue fastening tool from the deployed section when the operation part is operated.

Growing community of inventors

Yokohama, Japan

Masatoshi Sato