Patent application number | Description | Published |
20080228213 | Variable size trocar - A trocar includes a guide tube axially movable within a securing member. The securing member has an annular member having an inside circumference which is complementary with the outside circumference of the guide tube so that the guide tube is axially movable within the annular member. | 09-18-2008 |
20090259105 | MEDICAL TREATMENT SYSTEM AND SUTURING METHOD - A medical treatment system including an endoscope, a treatment tool that is inserted in a channel of the endoscope, and a holder that holds the treatment tool in a manner that enables a user who operates the endoscope to move the treatment tool forward and backward and rotate the treatment tool, with the treatment tool having a treatment portion that performs treatment on a living body; a wire for operating the treatment portion whose distal end is connected to the treatment portion; a sheath portion that has a first sheath that is formed with a coil and in which the wire is inserted in a manner capable of moving forward and backward in the axial direction, and a second sheath that is formed with a coil of a plurality of layers and provided on the outside of the first sheath; and an operating portion to which the base end of the wire is connected and enables forward/backward and rotation operation of the wire; and with the holder holding the operating portion so as to be in a predetermined positional relation with respect to the endoscope. | 10-15-2009 |
20090287044 | ENDOSCOPIC APPARATUS - An endoscopic apparatus comprising an elongate tubular inserting portion; a plurality of arm portions provided on a distal end face of the inserting portion and protruded to the frontal direction which are provided with treatment tools inserted therein, the treatment tools being capable of conducting a treatment; a cylindrical sheath which covers a circumferential surface of the inserting portion, which is movable to a distal side and a proximal side, and which supports the distal side of the plurality of the arm portions when moving to the distal side; and an observation body which is attached inside a distal end portion of the sheath, and by which a frontal view is observed. | 11-19-2009 |
20090287046 | Endoscopic surgical procedure and surgical apparatus - A minimally invasive endoscopic surgical procedure or an endoscopic surgical procedure through natural orifices which includes: introducing a spacial structure in a shrunken state into a body cavity by a spacial structure introduction portion; enlarging the spacial structure in the body cavity; setting the enlarged spacial structure in a predetermined position in the body cavity and supporting the tissues inside of the body cavity with the set spacial structure; inserting a distal end of at least an endoscope or a treatment instrument from at least a part of an opening portion of the spacial structure, and orienting the distal end to a pathological lesion located on the inner side of the tissues inside of the body cavity which is supported by the spacial structure. | 11-19-2009 |
20090287240 | Medical instrument introduction device and method of introducing medical device - A medical instrument introduction device for introducing a medical instrument into a living body provided with; a rigid main body provided with a lumen, a first fixing portion disposed on the main body to fix the main body on the first septate of the living body, and a second fixing portion disposed on a distal end side of the main body with respect to the first fixing portion and to fix the main body on a second septate which is different from the first septate. | 11-19-2009 |
20090292164 | ENDOSCOPE DEVICE - An endoscope device comprising: an elongated tubular insertion part; a plurality of arm members which is provided in the distal portion of the insertion part so as to protrude forward and is capable of treatment with a treatment tool inserted thereinto; an observation main body provided in the distal portion of the insertion part so as to freely separate from the insertion part; an energization member which energizes the observation main body disposed within the distal portion of the insertion part toward the direction opposite to the plurality of the arm members in the radial direction of the insertion part; and a holding mechanism which resists the energization member to hold the observation main body in a state where the observation main body is disposed within the distal portion of the insertion part and is capable of releasing the holding state. | 11-26-2009 |
20090306699 | Blunt Dissector for Separating Blood Vessels from Surrounding Tissue - A blunt dissector for separating a blood vessel from surrounding tissues in a body comprises a longitudinal rod having a proximal end, a distal end, and an internal passage for conducting insufflation gas between the proximal and distal ends. An interior sleeve is mounted within the longitudinal rod for receiving an endoscope at the proximal end. A transparent tip is mounted to the distal end of the longitudinal rod. A handle is mounted to the proximal end of the longitudinal rod. The longitudinal rod has an outer surface along substantially all of the longitudinal rod between the proximal and distal ends consisting essentially of a fluoropolymer. | 12-10-2009 |
20100056863 | MEDICAL MANIPULATOR, MEDICAL TREATMENT SYSTEM, AND METHOD FOR MEDICAL TREATMENT - A medical manipulator which includes: a plurality of arms formed in a cylindrical shape a distal end portion of which is made of a rigid member having a bending portion capable of bending; an insertion portion made of a rigid member having a plurality of channels in which base ends of the plurality of arms are connected to a distal end of the insertion portion so as to connect lumens of the arms to the plurality of channels; a photographic device provided at the distal end of the insertion portion; an operation portion that operates the bending portion; and a transmission member that connects the bending portion and the operation portion, in which the bending portion has: a first bending portion that is capable of bending in a predetermined direction by an operation of the operation portion, and a second bending portion provided in a base end than the first bending portion that is capable of fixing the plurality of arms in a bent state so as to mutually separate, and the transmission portion has: a first region which is flexible, and a second region which is rigid and connected to a base end portion of the first region. | 03-04-2010 |
20100069710 | TREATMENT METHOD - A treatment method for a tissue in a body cavity of a patient includes the steps of endoscopically introducing treatment tools into the body cavity of the patient from a natural opening of the patient, and setting the posture of the patient to a prone position. | 03-18-2010 |
20100292533 | Endoscopic Cutter with Reconfigurable Guides - A bipolar cutter has a cutter main body for inserting into the interior of a body and a treating electrode that is positioned against an object of examination (such as a blood vessel or a bleeding site) to be electrically cut and cauterized. A guiding member guides the object of examination toward the treating electrode as it is displaced in the axial direction of the cutter main body. The guiding member is comprised of a pair of protruding members and a notched groove or gap that leads to the treating electrode while in a first configuration. A gap adjusting mechanism causes the guiding member or the treating electrode to be displaced in the axial direction to reduce or eliminate the length of the gap so that the treating electrode can better reach flat tissue surfaces for treatment. | 11-18-2010 |
20110071354 | OVERTUBE AND MEDICAL PROCEDURE VIA NATURAL ORIFICE USING THE SAME - An overtube according to this invention includes: an insertion part, that is inserted into a subject and has a lumen, through which a device insertion part of a device for performing a medical procedure inside a body of the subject is removably inserted, the insertion part being inserted into the subject; and a tissue incising part that is disposed at a distal end side of the insertion part so as to cross the lumen and incises a tissue of the subject. | 03-24-2011 |
20120006337 | BIOLOGICAL TISSUE TRANSFER METHOD AND BIOLOGICAL TISSUE TREATMENT METHOD - The present application relates to a biological tissue transfer method for transferring a biological target tissue within the body, the method comprising: (a) attaching part of a first traction member to a first position which is different from a connecting position at which the target tissue is connected to other biological tissue; (b) attaching part of a second traction member to a second position which serves as the apex of a triangle formed together with the connecting position and the first position that surrounds the target site; (c) extending the first traction member in the direction from the connecting position to the first position, and extending the second traction member in the direction from the connecting position to the second position; and (d) transferring the target tissue within the body by applying traction on the first traction member and the second traction member respectively. | 01-12-2012 |
20120010460 | TISSUE DISPLACING METHOD - An organ displacing method implemented for performing a procedure in a patient's body cavity, the method includes a gravitational movement step in which the body position of the patient is changed, whereby surrounding organs adjacent to a hollow organ are moved in a primary direction by gravity; and a non-gravitational movement step in which, by using a medical instrument inserted into the hollow organ, the hollow organ is moved in a secondary direction where the hollow organ is separated from the surrounding organs. | 01-12-2012 |
20120232336 | ENDOSCOPE-HOLDING DEVICE AND ENDOSCOPIC SYSTEM - An endoscope holding device includes an insertion part that is long and holds the distal end part of an endoscope so as to freely protrude and retract; a distal end face that specifies a protruding direction of the endoscope, and is formed at the distal end of the insertion part, a displacement part which has a displacement face that is curved from the distal end toward a proximal end and provided at a position apart from the distal end face in order to displace living body tissue in front of the insertion part to secure a space for operating the distal end part of the endoscope protruded from the distal end face to curve; and a fixing portion that fixes the displacement part and the insertion part such that the distal end side of the displacement face intersects a direction orthogonal to the distal end face. | 09-13-2012 |
20130085414 | METHOD OF TAKING OUT LIQUID PRESENT INSIDE SUBJECT THEREFROM - A method is provided to collect liquid, such as pancreatic juice water, and saline, from a body cavity of a subject. In the method, a tool is inserted through the body cavity to reach a target site in the body cavity. A body position of the subject is adjusted such that the wall surface of the body cavity including the target site intersects with a direction of gravitational force and the liquid present in the body cavity gathers on the wall surface intersecting with the direction of gravitational force. A recess is formed to be concaved on the wall surface in the direction of the gravitational force by making the tool press the wall surface of the body cavity. Therefore, the liquid present or discharged in the body cavity is accumulated in the recess. The liquid accumulated in the recess is taken out of the body of the subject. | 04-04-2013 |
20130317515 | TREATMENT INSTRUMENT - A treatment instrument has a longitudinal-axis member having a longitudinal axis, a curved portion formed on a distal end side of the longitudinal-axis member, a lumen formed along the longitudinal axis of the longitudinal-axis member, and a through hole that communicates with the lumen, and opens toward the inner side of a curve of the curved portion when the curved portion is curved. | 11-28-2013 |
20130331645 | ENDOSCOPIC DEVICE AND ENDOSCOPE TREATMENT SYSTEM - An endoscopic device includes a longitudinal shaft member having a lumen, a curved section formed at a distal portion of the longitudinal shaft member and having a first recovering force, and a guide section formed at a proximal end portion of the curved section of the longitudinal shaft member and having a second recovering force. The curved section has an opening section in communication with the lumen at a surface of an inner section of the curved shape recovered by the first recovering force, and a pressing surface configured to press a tissue by the second recovering force is formed at a surface of an outer section of the curved shape of the curved section opposite to the opening section. | 12-12-2013 |
20130338580 | Endoscopic device - An endoscopic device has a longitudinal member having a longitudinal axis, a bending portion formed on a distal end side of the longitudinal member, a lumen formed along the longitudinal axis of the longitudinal member, and an opening portion that communicate with the lumen, and opens toward the inner side of a bend of the bending portion when the bending portion is bent. | 12-19-2013 |