Patent application number | Description | Published |
20090054886 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus which includes a sheath with a distal end and a proximal end, an apparatus main body to be coupled to the proximal end of the sheath, a probe which is inserted through the sheath and which transmits ultrasonic waves, a probe distal end provided at the distal end of the probe, a jaw which is pivotally supported at the distal end of the sheath and which is geared with the distal end of the probe, a fixed handle provided in the apparatus main body, and a movable handle which is swingable with respect to the fixed handle and which operates the jaw in a direction to be in and out of contact with the distal end of the probe by a swing operation, the surgical operating apparatus includes a switch portion which is provided in the fixed handle and which controls a treatment of a living tissue, a switch holding portion which is provided in the fixed handle and which holds the switch, and a pressing member which fixes the switch portion in a state pressed against the switch holding portion. | 02-26-2009 |
20090088667 | SURGICAL OPERATING APPARATUS - A surgical tool includes a sheath, a probe body, a distal end portion and a proximal end portion. A probe distal end portion is provided at the distal end portion of the probe body, a jaw is rotatably supported on the distal end portion of the sheath and is engaged with the probe distal end portion. A first tubular member a fits on the proximal end portion of the sheath and extends rearward. It has an elongated slit and extends in an axial direction of the sheath. A second tubular member fits in a rear end portion of the first tubular member. A tubular driving member is slidably inserted in the sheath and rotates the jaw. A coupling member including a projection body passes through the second tubular member, includes an engaging portion which is engaged in the slit of the first tubular member. | 04-02-2009 |
20090088668 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus includes a sheath having a distal end and a proximal end, a rod-shaped probe main body which is inserted into the sheath and has a distal end and a proximal end, and which is transmitted with ultrasonic vibration, a jaw pivoted to the distal end of the sheath, a probe distal end which is provided at the distal end of the probe main body and meshes with the jaw, and a driving member which is provided with a tubular main body portion which is inserted into the sheath slidably along an axial direction of the sheath and an acting portion which is provided at a distal end of the main body portion and has a connection portion connected to the jaw, for rotating the jaw according to a sliding action of the main body portion, wherein the sheath includes a notched portion for preventing the sheath from contacting the driving member when the connection portion of the driving member with the jaw moves in a direction perpendicular to a sliding direction of the driving member at a rotation time of the jaw. | 04-02-2009 |
20090088742 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus includes a sheath having a distal end portion and a proximal end portion, a shaft-shaped probe body which is inserted in the sheath and has a distal end portion and a proximal end portion, and in which ultrasonic vibration is transmitted, a jaw which is rotatably supported on the distal end portion of the sheath and has a first electrode section which is one of bipolar electrodes, a probe distal end portion which is provided at the distal end portion of the probe body, is engaged with the jaw, and constitutes a second electrode section which is the other of the bipolar electrodes, and a driving member including a tubular body section, which is inserted in the sheath slidably in an axial direction of the sheath, and an operating section which is provided on a distal end side of the body section and has a connection section for connection to the jaw, the driving member rotating the jaw by a sliding operation of the body section, wherein the operating section includes a taper portion in which a tubular body of the body section is gradually tapered toward a distal end side. | 04-02-2009 |
20090088743 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus includes a sheath having a distal end portion and a proximal end portion, a shaft-shaped probe body which is inserted in the sheath and has a distal end portion and a proximal end portion, and in which ultrasonic is transmitted, a probe distal end portion which is provided at the distal end portion of the probe body and constitutes a first electrode section which is one of bipolar electrodes, and a jaw which is rotatably supported on the distal end portion of the sheath, has an engaging surface which is engaged with the probe distal end portion, and has a second electrode section which is the other of the bipolar electrodes, wherein the jaw includes, at a distal end portion of the engaging surface for engagement with the probe distal end portion, a distal end chip which tolerates a positional displacement relative to the probe distal end portion when the jaw is engaged with the probe distal end portion. | 04-02-2009 |
20090088785 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus includes a sheath having a distal end portion and a proximal end portion; a shaft-shaped probe body which is inserted in the sheath and has a distal end portion and a proximal end portion, and in which ultrasonic vibration is transmitted; a jaw which is rotatably supported on the distal end portion of the sheath and has a first electrode section which is one of bipolar electrodes; a probe distal end portion which is provided at the distal end portion of the probe body, is engaged with the jaw, and constitutes a second electrode section which is the other of the bipolar electrodes; and a driving member including a tubular body section, which is inserted in the sheath slidably in an axial direction of the sheath, and an operation section which is provided on a distal end side of the body section and has a connection section for connection to the jaw, the driving member rotating the jaw by a sliding operation of the body section, wherein a tube body of the body section has, on an inner peripheral surface side thereof, an insulation tube which effects electrical insulation between the probe body and the body section, and the insulation tube has a projection portion which projects forward of the body section. | 04-02-2009 |
20090216228 | Surgical operating apparatus - A surgical operating apparatus includes a sheath having a distal end portion and a proximal end portion, a shaft-shaped probe body which is inserted in the sheath and has a distal end portion and a proximal end portion, and in which ultrasonic is transmitted, a probe distal end portion which is provided at the distal end portion of the probe body and constitutes a first electrode section which is one of bipolar electrodes, and a jaw which is rotatably supported on the distal end portion of the sheath, has an engaging surface which is engaged with the probe distal end portion, and has a second electrode section which is the other of the bipolar electrodes, wherein the jaw includes, at a distal end portion of the engaging surface for engagement with the probe distal end portion, a distal end chip which tolerates a positional displacement relative to the probe distal end portion when the jaw is engaged with the probe distal end portion. | 08-27-2009 |
20090248051 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus includes an ultrasonic treatment section which performs ultrasonic treatment on a living tissue, and a high-frequency treatment section which performs high-frequency treatment on the living tissue, and includes a narrow width part which is provided on at least one of mutually opposed surfaces of a first electrode portion of a first grasping member and a second electrode portion of a second grasping member. The narrow width part is configured to be disposed at a position where the second grasping member does not easily suffer a stress due to ultrasonic vibration when the living tissue is grasped between the second grasping member and the first grasping member, and to make a distance between the mutually opposed surfaces of the first electrode portion and the second electrode portion narrower than a distance at other positions. | 10-01-2009 |
20090270853 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus includes a sheath provided with a distal end part and a proximal end part, an apparatus main body to be coupled to the proximal end part of the sheath, a probe which is provided with a distal end part and a proximal end part, is inserted into the sheath, and transmits ultrasonic vibration from the proximal end part side to the distal end part side, a jaw which is turnably supported at the distal end part of the sheath, and is operated to be opened or closed between a closed position at which the jaw is engaged with the distal end part of the probe, and an opened position at which the jaw is separated from the distal end part of the probe, a handle which is provided in the apparatus main body, and operates the opening/closing operation of the jaw, a slider section which is provided in the apparatus main body, and is advanced/retreated to be moved in a central axis direction of the probe between a first movement position corresponding to the opened position of the jaw and a second movement position corresponding to the closed position of the jaw in accordance with the operation of the handle, and a notification mechanism for notifying of a state where the slider section has moved by an amount equal to or larger than a predetermined amount on the way thereof from the first movement position to the second movement position. | 10-29-2009 |
20090270854 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus includes a sheath provided with a distal end part and a proximal end part, an apparatus main body to be coupled to the proximal end part of the sheath, a probe which is inserted into the sheath, and transmits ultrasonic waves, a probe distal end section provided at a distal end part of the probe, and a jaw pivotally supported at the distal end part of the sheath, the jaw being supported so that the jaw can be operated to be opened or closed between a closed position at which the jaw is engaged with the probe distal end section, and an opened position at which the jaw is separated from the probe distal end section, wherein the apparatus main body includes a handle for operating the opening/closing operation of the jaw, a slider section which is moved to be advanced/retreated in an axial direction of a central axis line of the probe in accordance with the operation of the handle, a pin which is provided to the handle, is engaged with the slider section, and transmits the operation of the handle to the slider section, and a frictional force reduction section which is provided to the slider section and/or the pin at a surface at which the slider section and the pin are engaged with each other, and reduces the frictional force acting at the engagement surface at which the slider section and the pin are engaged with each other. | 10-29-2009 |
20100331742 | SURGICAL OPERATING APPARATUS - A surgical operating apparatus includes a probe for outputting energy for performing therapeutic treatment of a living body, a jaw which is openable/closable relative to the probe, and an output mode switching section which selectively switches, in accordance with an open/closed state of the jaw, an output of the surgical operating apparatus between a bipolar mode in which the probe and the jaw are used as high-frequency electrodes, and a probe-only output mode in which the energy is output from only the probe. | 12-30-2010 |
20120010540 | SURGICAL APPARATUS - A surgical apparatus includes an output mode switching section configured to selectively switch an output mode of a power supply main body, that can output the energy to a probe and a jaw, in accordance with a moving state of a movable member. The output mode switching section is configured to switch the output mode such that a bipolar mode in which the probe and the jaw are driven as high-frequency electrodes is set when the jaw is in a closed state with respect to the probe and a single output mode in which the energy is output from only the probe is set when the jaw is in an open state with respect to the probe. | 01-12-2012 |
20120101493 | SURGICAL TREATMENT APPARATUS - A surgical treatment apparatus includes a receptacle which is configured to abut onto a treatment section so that a predetermined clearance is formed between an electrode section and the treatment section when a grip member is closed relative to the treatment section. The surgical treatment apparatus includes a regulating section which is provided in the grip member so that a closing-direction end located on a closing-direction side of the grip member does not protrude from the receptacle toward the closing direction, the regulating section being made of a material harder than the receptacle, and a handle unit configured to operate the grip member so that the regulating section is closed up to a position where the regulating section contacts the treatment section except when the receptacle contacts the treatment section. | 04-26-2012 |
20120277778 | ULTRASONIC SURGICAL INSTRUMENT - An ultrasonic surgical instrument includes an ultrasonic vibrator, a vibration transmission section, a grip member, a pad member provided at a position of the grip member which faces the treatment section, and a planar facing surface disposed on the pad member. A distal end portion of the treatment section faces the pad member, and is curved from a proximal end portion side of the treatment section toward the distal end portion side of the treatment section in a direction away from the facing surface. The pad member includes a protruding portion which is disposed on the facing surface, protrudes from the facing surface toward the distal end portion of the treatment section, and abuts on the distal end portion of the treatment section while the grip member is closed. | 11-01-2012 |
20140031809 | GRASPING TREATMENT DEVICE - A jaw of the grasping treatment device includes an abutting portion being abutable on a probe treatment portion when the jaw is closed relative to the probe treatment portion, and a separated portion being disposed with a clearance between the separated portion and the probe treatment portion when the abutting portion is in abutment with the probe treatment portion. The jaw includes a distal-side wall portion provided to a distal direction side of the separated portion and protruding toward the probe treatment portion as compared with the separated portion, and a proximal-side wall portion provided to a proximal direction side of the separated portion and which protruding toward the probe treatment portion as compared with the separated portion. | 01-30-2014 |
20140135762 | GRASPING TREATMENT DEVICE - A grasping treatment device includes a probe including a first electrode portion in its distal portion, and a jaw configured to open or close relative to the first electrode portion and including a second electrode portion. The grasping treatment device includes a grasping force converting unit converting a grasping force so that a second grasping force between the distal portion of the probe and the jaw in a second treatment mode in which high-frequency current alone is transmitted to the first electrode portion and the second electrode portion is greater than a first grasping force between the distal portion of the probe and the jaw in a first treatment mode in which at least an ultrasonic vibration is transmitted to the distal portion of the probe. | 05-15-2014 |
20140142573 | GRASPING TREATMENT DEVICE - A grasping treatment device includes a first electrode portion functioning as an electrode when a high-frequency current is transmitted thereto through a probe unit, and a second electrode portion functioning as an electrode when a high-frequency current is transmitted thereto through a sheath unit. The grasping treatment device includes an inter-electrode distance changing unit changing an inter-electrode distance so that a second distance between the electrode portions in a second treatment mode, in which the high-frequency current alone is transmitted to the two electrode portions, is smaller than a first distance between the electrode portions in a first treatment mode, in which at least an ultrasonic vibration is transmitted to a probe electric conducting portion. | 05-22-2014 |
20140378971 | TREATMENT DEVICE - A treatment device includes a first grip member having an elongated shape, and a second grip member which is displaced with respect to the first grip member to grip the biological tissue between the first grip member and the second grip member. The second grip member includes a grip section that comes into contact with a biological tissue as a gripping target. I/A | 12-25-2014 |