Patent application number | Description | Published |
20110077629 | TREATMENT METHOD FOR LIVING TISSUE USING ENERGY - A treatment method for a living tissue using energy includes a first step of outputting high-frequency energy to grasped living tissues to destroy cell membranes of the grasped living tissues, allowing proteins to flow out of cells and joining the living tissues to each other, and a second step of, after the first step, outputting heat energy to the grasped living tissues to dehydrate the grasped living tissues. | 03-31-2011 |
20110077630 | TREATMENT METHOD FOR LIVING TISSUE USING ENERGY - A treatment method for a living tissue using energy includes a first step of outputting energy to a grasped living tissue and raising a temperature of cells of the grasped living tissue, a second step of, after the first step, outputting high-frequency energy to the grasped living tissue and destroying cell membranes of the grasped living tissue to discharge proteins in the cells to the outside of the cells, and a third step of, after the second step, outputting heat energy to the living tissue and welding the proteins to each other while dehydrating the grasped living tissue. | 03-31-2011 |
20110230881 | Endoscopic Surgical Instrument - An endoscopic surgical instrument includes an insertion section which is inserted into a body cavity, and a surgical section which is disposed on a tip of the insertion section and treats an object. The surgical section includes a body section, and a first electrode, a second electrode, and a third electrode which are disposed on the body section. The surgical section coagulates and cuts the object by using a combination of not less than two of the first electrode, the second electrode, and the third electrode. | 09-22-2011 |
20130060249 | SURGICAL TREATMENT DEVICE - A surgical treatment device which is used together with an endoscope, includes a sheath, a treatment portion which is arranged at the distal end portion of the sheath and includes first to third electrodes configured to treat a living tissue by using electrical energy, an operation portion which is arranged at a proximal end portion of the sheath and which is configured to operate the treatment portion, and a switching portion which is configured to switch between a first mode in which a treatment is given by using the first electrode and at least one of the second and third electrodes in the treatment portion and a second mode in which a treatment is given by using the second and third electrodes. | 03-07-2013 |
20130172885 | TREATMENT DEVICE AND TREATMENT METHOD - A surgical device which is configured to apply energy to living tissue and to be used to perform a surgical procedure includes a grasping portion, an incising portion, an introduction portion and a treatment portion. The grasping portion grasps the living tissue having a first surface and a second surface. The incising portion is movable forward and backward with respect to the living tissue and incises the living tissue. The introduction portion is movable forward and backward with respect to the living tissue and introduces a biocompatible material, which is chemically bound with the living tissue, to a space between the first surface and the second surface. The treatment portion is configured to apply high-frequency energy and thermal energy to the living tissue. | 07-04-2013 |
20130172887 | TREATMENT INSTRUMENT SYSTEM - A treatment system includes: an absorbent member which is arranged to be discharged into the biological tissues as the fusion targets from the first jaw, thermally deformed when the thermal energy is applied thereto; a first energy discharge portion which is configured to discharge the absorbent member toward the second holding surface, and which is configured to supply the high-frequency energy and the thermal energy to the biological tissues; a second energy discharge portion which is configured to come into contact with at least a part of the absorbent member when the absorbent member is discharged, and which is configured to supply the high-frequency energy and the thermal energy to the biological tissues; and a control unit which is configured to control the energy source to supply the thermal energy after discharging the absorbent member to the biological tissues. | 07-04-2013 |
Patent application number | Description | Published |
20090306541 | Body Tissue Incision Apparatus - The body tissue harvesting instrument is provided with a cutter which is disposed at the distal end of an insertion member that is inserted into the body of an organism, and which severs tissue inside the body. The cutter includes: a cutter body which projects from the distal end, and which includes a slit that extends from the distal end toward the base end; a first high-frequency electrode disposed along the two side edges of the slit on the outer surface of the cutter body and a second high-frequency electrode disposed at the base end of the slit; and a mechanism which is disposed on both sides of the distal end of the slit in the projection of the cutter body, which rotates as a result of being pressed by the tissue, and which feeds the tissue toward the interior of the slit. In addition, the parts located on both sides of the distal end of the slit in the projection mutually separate in the thickness direction of the slit. Moreover, the second electrode is capable of moving between the base end and distal end of the slit in the cutter body; and the width of the distal end of the slit is set larger than the width of the base end. It is possible to provide a holder—which holds the tissue so that it is able to freely move along it—at the distal end of the insertion member, and the holder includes a tissue holding frame which has two arms which extend in the width direction of the slit at both the distal end part and proximal end part relative to the distal end, and which face each other in the extension direction of the slit. The two arms mutually diverge in the thickness direction. | 12-10-2009 |
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 |
20100063392 | ULTRASOUND-GUIDED ABLATION METHOD AND ULTRASOUND-GUIDED ABLATION SYSTEM - An ultrasound-guided ablation method captures an objective area to be ablated in an ultrasound scan area of an ultrasound transducer and delineates the objective area on an ultrasound image; specifies an ablation target area to display the ablation target area with a margin necessary for ablating the objective area on the ultrasound image processed by an ultrasound observation device and displayed on a display device; ablates, by an ablation device, the ablation target area displayed on the ultrasound image; and checks, on the ultrasound image, that an ablated area ablated by the ablation device has reached the ablation target area displayed on the ultrasound image. | 03-11-2010 |
20100292532 | Endoscopic Vessel Dissector With Side Entry - A blunt dissector for endoscopic vein harvesting has a generally-cylindrical sheath for retaining an elongated endoscope. The sheath is elongated between a distal end and a proximal end. A transparent tip is disposed at the distal end of the sheath. A handle is disposed at the proximal end of the sheath. The sheath includes a selectably closable longitudinal slot having an opened configuration such that the endoscope can be inserted radially into the sheath. The longitudinal slot has a closed configuration that retains the endoscope within the sheath and presents a substantially smooth outer surface for use during dissection. | 11-18-2010 |
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 |
20120035606 | Body Tissue Incision Apparatus - The body tissue harvesting instrument is provided with a cutter which is disposed at the distal end of an insertion member that is inserted into the body to sever tissue inside the body. The cutter includes a slit that extends from the distal end toward the base end; a first high-frequency electrode disposed along the two side edges of the slit on the outer surface of the cutter body and a second high-frequency electrode disposed at the base end of the slit; and a mechanism which is disposed on both sides of the distal end of the slit in the projection of the cutter body which rotates as a result of being pressed by the tissue, and which feeds the tissue toward the interior of the slit. Parts located on both sides of the distal end of the slit in the projection may mutually separate in the thickness direction. | 02-09-2012 |
20120078094 | Ultrasound-Guided Ablation Method and Ultrasound-Guided Ablation System - An ultrasound-guided ablation method captures an objective area to be ablated in an ultrasound scan area of an ultrasound transducer and delineates the objective area on an ultrasound image; specifies an ablation target area to display the ablation target area with a margin necessary for ablating the objective area on the ultrasound image processed by an ultrasound observation device and displayed on a display device; ablates, by an ablation device, the ablation target area displayed on the ultrasound image; and checks, on the ultrasound image, that an ablated area ablated by the ablation device has reached the ablation target area displayed on the ultrasound image. | 03-29-2012 |
20130211433 | Endoscopic Vessel Dissector With Side Entry - A blunt dissector for endoscopic vein harvesting has a generally-cylindrical sheath for retaining an elongated endoscope. The sheath is elongated between a distal end and a proximal end. A transparent tip is disposed at the distal end of the sheath. | 08-15-2013 |