Patent application number | Description | Published |
20100094277 | HIGH-FREQUENCY SURGICAL DEVICE AND METHOD - A high-frequency surgical device includes: a treatment section provided with electrodes for supplying high-frequency power to living tissue of a patent foramen ovale; a high-frequency power supplying section for supplying high-frequency power to living tissue around the electrodes through the electrodes; a blood flow detecting section for detecting intracardiac blood flow information based on biological information inputted from outside; and a control section for controlling high-frequency power to be supplied to the side of electrodes based on the blood flow information. | 04-15-2010 |
20100191173 | TREATMENT SYSTEM FOR SURGERY AND CONTROL METHOD OF TREATMENT SYSTEM FOR SURGERY - A treatment system for surgery includes: a handpiece driving apparatus for supplying electric energy to a handpiece, the handpiece including a treatment portion insertable into a body cavity; a perfusion apparatus for perfusing liquid in the body cavity, the perfusion apparatus being capable of adjusting pressure in the body cavity; and a control circuit for controlling the pressure in the body cavity to a different level in conjunction with an output state of the handpiece driving apparatus and changing a flow rate of the perfusion liquid. | 07-29-2010 |
20100318081 | HIGH-FREQUENCY SURGICAL APPARATUS AND HIGH-FREQUENCY SURGICAL METHOD FOR CLOSURE OF PATENT FORAMEN OVALE - A high-frequency surgical apparatus for treating patent foramen ovale in a heart includes a flexible probe which has such a length as to allow the probe to be placed in the patent foramen ovale by passing through the blood vessel; an electrode section which, being placed at a distal end of the probe, has three or more electrodes along a longitudinal direction of the probe; a high-frequency power supply section which supplies predetermined high-frequency power to the patent foramen ovale via the electrode section; a switching section which switches among a plurality of signal lines connected to the three or more electrodes; and a high-frequency power control section which controls switching of the switching section so as to supply the high-frequency power to two electrodes. | 12-16-2010 |
20100324458 | Ultrasound treatment system - An ultrasound treatment system comprises an ultrasonic transducer, a handpiece, a probe, a sheath, a clamping member, an operation unit, an operating member, a suction base, and a perfusion base. The ultrasonic transducer generates ultrasonic vibrations. The handpiece has the ultrasonic transducer incorporated therein. The probe is connected to the ultrasonic transducer for transmitting ultrasonic vibrations to a distal member realizing a stationary portion that is a treatment portion for treating a living tissue. The sheath serves as a protecting member for shielding the probe. The clamping member is opposed to the distal member at the distal end of the sheath for clamping a living tissue in cooperation with the distal member. The operation unit is manipulated for clamping a living tissue with the clamping member and distal member or freeing the living tissue therefrom. | 12-23-2010 |
20110004127 | Ultrasound treatment system - An ultrasound treatment system comprises an ultrasonic transducer, a handpiece, a probe, a sheath, a clamping member, an operation unit, an operating member, a suction base, and a perfusion base. The ultrasonic transducer generates ultrasonic vibrations. The handpiece has the ultrasonic transducer incorporated therein. The probe is connected to the ultrasonic transducer for transmitting ultrasonic vibrations to a distal member realizing a stationary portion that is a treatment portion for treating a living tissue. The sheath serves as a protecting member for shielding the probe. The clamping member is opposed to the distal member at the distal end of the sheath for clamping a living tissue in cooperation with the distal member. The operation unit is manipulated for clamping a living tissue with the clamping member and distal member or freeing the living tissue therefrom. | 01-06-2011 |
Patent application number | Description | Published |
20100284849 | AUSTENITIC CAST IRON AND MANUFACTURING PROCESS FOR THE SAME, AUSTENITIC-CAST-IRON CAST PRODUCT AND COMPONENT PART FOR EXHAUST SYSTEM - An austenitic cast iron according to the present invention has Ni: from 7 to 15% by mass, and is characterized in that it comprises a base structure in which an austenite phase makes a major phase even in ordinary-temperature region by adjusting the respective compositions of Cr, Ni and Cu, excepting C and Si, so as to fall within predetermined ranges. In accordance with the present invention, it is possible to obtain an austenitic cast iron, which is excellent in terms of oxidation resistance and the like, inexpensively, while reducing the content of expensive Ni. | 11-11-2010 |
20120159948 | INTERNAL COMBUSTION ENGINE WITH SUPERCHARGER - An internal combustion engine with a supercharger comprises an internal combustion engine including a plurality of cylinders; an intake passage that supplies gas to the internal combustion engine; a turbocharger-type supercharger including a turbine portion having a plurality of exhaust gas introduction passages; and an exhaust passage including a plurality of connecting passages that connect the plurality of cylinders and the plurality of exhaust gas introduction passages, wherein exhaust gas discharged from the internal combustion engine flows through the exhaust passage. The internal combustion engine comprises a bridge passage that connects two or more of the plurality of connecting passages to each other; a branch passage connected to the bridge passage; and a first opening and closing device provided into the bridge passage to open and close the bridge passage. | 06-28-2012 |
20130045127 | AUSTENITIC CAST IRON, AUSTENITIC-CAST-IRON CAST PRODUCT AND MANUFACTURING PROCESS FOR THE SAME - An austenitic cast iron according to the present invention is characterized in that: it comprises: basic elements comprising C, Si, Cr, Ni, Mn and Cu; and the balance comprising Fe, inevitable impurities and/or a trace-amount modifier element, which is effective in improving characteristic, in a trace amount; and it is an austenitic cast iron being a cast iron that is structured by a base comprising an Fe alloy in which an austenite phase makes a major phase in ordinary-temperature region; wherein said basic elements fall within compositional ranges that satisfy the following conditions when the entirety of said cast iron is taken as 100% by mass (hereinafter being simply expressed as “%”): C: from 2.0 to 3.0%; Si: from 4.0 to 5.4%; Cr: from 0.8 to 2.0%; Mn: from 3.9 to 5.6%; Ni: from 17 to 22%; and Cu: from 0.9 to 1.6%. It is an austenitic cast iron whose Ni content is less relatively, and is excellent in terms of oxidation resistance under high temperature and austenite-phase stability in intermediate-temperature region. | 02-21-2013 |
Patent application number | Description | Published |
20090318944 | ULTRASONIC SURGICAL APPARATUS - An ultrasonic surgical instrument has an ultrasonic transducer unit having an ultrasonic transducer for producing ultrasonic vibration, a transmission member which connects the ultrasonic transducer in the proximal end side, and transmits the ultrasonic vibration produced by the ultrasonic transducer from the proximal end side to the distal end side, a sheath, in which the transmission member is inserted, having an open part on one side of the distal end side, and a treatment portion which is provided at the distal end of the transmission member, and exposed to the open part for carrying out a surgical treatment on an object part by the ultrasonic vibration transmitted from the transmission member. The ultrasonic surgical instrument cuts or shaves hard tissues. | 12-24-2009 |
20090318945 | ULTRASONIC THERAPEUTIC DEVICES - An ultrasonic surgical instrument comprises an ultrasonic transducer producing ultrasonic vibration, a transmission member transmitted ultrasonic vibration from the proximal end to the distal end, a sheath in which the transmission member is inserted, a procedural unit provided to the distal end of the transmission member so that it projects from the distal end of the sheath, and treating a surgical target portion using ultrasonic vibration, a procedural unit main body provided in the procedural unit, a procedural member provided in the sheath so that it projects from the distal end of the sheath to treat the surgical target portion, and a procedural member main body provided at the distal end of the procedural member. In the ultrasonic surgical instrument, the procedural member main body overlaps with the procedural unit main body, and thereby, the procedural member main body and the procedural unit main body treat the portion. | 12-24-2009 |
Patent application number | Description | Published |
20110203083 | PIEZOELECTRIC VIBRATING PIECES COMPRISING EDGE MESA STEPS, AND METHODS FOR MANUFACTURING SAME - An exemplary method for a producing a piezoelectric vibrating piece having at least one mesa step includes forming a metal film on a main surface of a piezoelectric wafer. A through-groove is formed through the thickness of the wafer to form a plan profile of a desired piezoelectric substrate. A film of photoresist is formed on the surface of the metal film. A resist is applied, exposed, and formed into a resist pattern that defines a first mesa step along at least a portion of the plan profile. In regions not protected by the metal film, the piezoelectric substrate is etched to a defined depth to form a mesa step. The denuded edge surface of the metal film is edge-etched. A second mesa step, inboard of the first mesa step, can be formed by repeating the edge-etching and substrate-etching steps using the metal film as an etch protective film. | 08-25-2011 |
20110227457 | PIEZOELECTRIC VIBRATING PIECES AND DEVICES, AND METHODS FOR MANUFACTURING SAME - Piezoelectric vibrating pieces are disclosed having selectively roughened surfaces. An exemplary piece is made of a piezoelectric material configured as a piezoelectric substrate. The piece also includes at least one excitation electrode and at least one extraction electrode. The substrate has opposing main surfaces initially having low surface roughness. At least one main surface is formed in a mesa or reverse mesa manner, wherein the central region has a different thickness than the peripheral region. The central region has relatively low surface roughness (irregular unevenness), while the peripheral region has relatively high surface roughness. The excitation electrode is formed on the central region (mesa or reverse mesa) while the extraction electrode (connected to the excitation electrode) is formed on the peripheral region. | 09-22-2011 |
20120242193 | QUARTZ-CRYSTAL DEVICES EXHIBITING REDUCED CRYSTAL IMPEDANCE - Quartz-crystal devices are disclosed, of which the CI value is reduced by adjusting the shortest distance between an edge of electrically conductive adhesive and an edge of the excitation electrode. The device has a quartz-crystal plate having long-edges and short-edges. Excitation electrodes are on first and second surfaces of the plate. Conductive pads are electrically connected to respective excitation electrodes and extend to the short-edge of the quartz-crystal plate. A package having a pair of external mounting terminals and respective connecting electrodes are situated on opposing sides of the mounting terminals for making electrical connections to the mounting terminals. An electrically conductive adhesive bonds the connecting terminals and respective conductive pads together, and the quartz-crystal plate onto the package. The shortest distance between an edge of the adhesive and an edge of the excitation electrode is 10%-15% the length of the quartz-crystal plate in the long-edge direction. | 09-27-2012 |
20120242195 | CRYSTAL DEVICE AND INSPECTION METHOD OF CRYSTAL DEVICE - A crystal device and an inspection method for inspecting the crystal device are provided. The crystal device includes: a crystal plate; excitation electrodes formed on the crystal plate; extraction electrodes extending from the excitation electrodes; electrode pads electrically connected with the extraction electrodes; a package including mounting terminals formed on a mounting surface and connection terminals formed on a bottom surface, which is on the other side of the mounting surface, and electrically connected with the mounting terminals; and an electrically-conductive adhesive agent bonding and fixing the connection terminals to the electrode pads. An bonding status inspection region, on which no metal film is formed, is formed in the crystal plate, and the bonding status inspection region is surrounded by or adjacent to the electrode pads. In addition, the bonding status inspection region occupies not more than 25% of the area of the electrode pads. | 09-27-2012 |
20130027141 | CRYSTAL RESONATOR AND CRYSTAL OSCILLATOR - A crystal resonator comprises a first vibrating region provided on a crystal wafer, a second vibrating region provided on the crystal wafer, the second vibrating region having a different thickness and positive/negative orientation of the X-axis from those of the first vibrating region, and excitation electrodes which are provided respectively on the first vibrating region and the second vibrating region for causing the vibrating regions to vibrate independently. Frequencies that change by different amounts from each other relative to a temperature change can be retrieved from one vibrating region and the other vibrating region. Thus, based on an oscillating frequency of the vibrating region in which a clear frequency change occurs relative to the temperature, the oscillating frequency of the other vibrating region can be controlled. Thereby, increases in the complexity of the crystal oscillator can be suppressed. | 01-31-2013 |
20130043771 | MESA-TYPE QUARTZ-CRYSTAL VIBRATING PIECE AND QUARTZ CRYSTAL DEVICE - A mesa-type quartz-crystal vibrating piece includes a vibrator in a quadrangular shape with both main surfaces, a pair of excitation electrodes on both the main surfaces, a thin portion outside of the quadrangular shape, and a pair of extraction electrodes. The thin portion has a thickness thinner than a thickness of the vibrator. The pair of extraction electrodes are extracted from the excitation electrodes to a predetermined direction. A center of a first length in the predetermined direction of the excitation electrode is decentered from a center of a second length in the predetermined direction. The second length includes a length of the vibrator and a length of the thin portion. The center of the first length is decentered toward an opposite side of the extraction electrode by 25 μm to 65 μm. | 02-21-2013 |
20140041454 | PIEZOELECTRIC RESONATOR, ETCHING AMOUNT DETECTING DEVICE, AND OSCILLATOR - A piezoelectric resonator includes a plate-shaped crystal element, excitation electrodes, and an unwanted response suppression portion. The excitation electrodes are disposed on both surfaces of the crystal element. The unwanted response suppression portion is formed by inverting a crystallographic axis of the crystal element to suppress an unwanted response that oscillates at a different frequency from a frequency of a main vibration of the crystal element. | 02-13-2014 |
20140125422 | SELF-OSCILLATION CIRCUIT - A self-oscillation circuit includes an oscillating unit, an amplifying unit, and a resonator. The oscillating unit is configured to self-oscillate. The amplifying unit is configured to amplify a frequency signal oscillated at the oscillating unit and to feed back the amplified frequency signal to the oscillating unit. The resonator is disposed in an oscillation loop that includes the oscillating unit and the amplifying unit. The resonator has a resonant frequency near an oscillation frequency of the oscillating unit and has a higher Q-value than a Q-value of the oscillating unit. | 05-08-2014 |
20140175944 | CRYSTAL RESONATOR - A crystal resonator includes a mesa-type crystal element, a pair of excitation electrodes, and a deformed portion. The mesa-type crystal element has a principal surface portion and a peripheral edge portion. The peripheral edge portion surrounds the principal surface portion and has a smaller thickness than the principal surface portion. The pair of excitation electrodes are formed at the principal surface portion on one surface side and the principal surface portion on an other surface side of the crystal element, respectively. The deformed portion is configured to reduce a vibration different from a main vibration and confine energy to the principal surface portion. | 06-26-2014 |