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| 20080215048 | Electrosurgical Instrument - The invention relates to an electrosurgical instrument for coagulating and/or cutting biological tissue, which can be manufactured easily and economically, wherein a surgical intervention is to be carried out easily and reliably with the instrument. For this purpose, the instrument comprises the following:
| 09-04-2008 |
| 20080278179 | Method and measurement apparatus for determining the transition impedance between two parts of a subdivided neutral electrode - A method and a measurement apparatus are provided for determining the transition impedance between two electrode parts of a subdivided neutral electrode used in high-frequency surgery. These makes it possible for the purely capacitive component of the transition impedance to be measured. For this purpose a resonant-frequency shift is measured, which occurs when a basic resonant circuit is expanded to an expanded resonant circuit by incorporating the two electrode parts into it in parallel. In particular, in order to determine the basic resonant frequency of the basic resonant circuit and/or the sample resonant frequency of the expanded resonant circuit, the phase shift between current and voltage is measured and the frequency is adjusted until current and voltage are in phase. | 11-13-2008 |
| 20100087834 | BIPOLAR INSTRUMENT AND METHOD FOR ENDOSCOPIC CONTROLLED SHORTENING AND/OR FRAGMENTATION OF STENTS ARRANGED IN GASTROINTESTINAL TRACT IN THE TRACHEOBRONCHIAL SYSTEM OR IN OTHER HOLLOW ORGANS - A bipolar instrument and a method for endoscopically controlled shortening and/or fragmentation of a stent located in the gastrointestinal tract, in the tracheobronchial system or in other hollow organs. The instrument includes a first electrode and a second electrode arranged at a distal end of the instrument and connected to and receiving current provided by a power source, and protective means connected to the electrode means. At least one wire of the stent can be severed at a particular location by the instrument. The protective means separates the wire from tissue of the gastrointestinal tract, tracheobronchial system or other hollow organs and/or secures the wire to the instrument during the severing of the wire. The instrument and the method minimize damage to tissue and risk to the patient during machining of stents. | 04-08-2010 |
| 20100114092 | BIPOLAR INSTRUMENT AND METHOD FOR ELECTROSURGICAL TREATMENT OF TISSUE - A bipolar surgical instrument comprising an electrode means connected to a high-frequency generator for generating a high-frequency current at a distal end of the instrument with at least first and second electrodes for forming electric arcs therebetween. The surgical instrument further comprises a pipe, a tubular probe or a similar gas supply means with at least one lumen for supplying argon or a similar inert gas at least into a space between the first and second electrodes so that the arcs can be formed in a protective gas atmosphere. The first and second electrodes are arranged relative to one another in such away that the tissue can be heated in a currentless manner at least partly by heat generated by the arcs. A bipolar instrument prevents the tissue damage normally seen with monopolar surgical instruments and thus allows treatment to be carried out as simply and efficiently as possible. A method for electrosurgical treatment of tissue using the bipolar surgical instrument is also disclosed. | 05-06-2010 |
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| 20100268221 | SIGNAL DEVICE FOR ELECTROSURGICAL INSTRUMENTS, ADAPTOR FOR CONNECTING AN ELECTROSURGICAL INSTRUMENT - An electrosurgical instrument comprising an indicator device for displaying at least one piece of status information regarding a control unit. The indicator device is arranged on the electrosurgical instrument and oriented in the distal direction thereof such that, in an active state, the indicator device illuminates an operation area of the electrosurgical instrument. In use, the indicator device fulfils a dual functions. First, the indicator device provides information and second, it simplifies the medical intervention by illuminating the operation area. | 10-21-2010 |
| 20110045680 | PLUG SYSTEM FOR SURGICAL DEVICES - A plug system for surgical devices includes a plurality of sockets into which connecting plugs of electrosurgical instruments can be inserted, and a switching matrix having a plurality of switches for connecting at least one of the sockets to at least two different outputs or inputs of an electrosurgery device. A control system having a preselection device for controlling the switching matrix is arranged in the plug system. The switching matrix connects predetermined sockets to predetermined inputs or outputs, depending on data input into the preselection device. | 02-24-2011 |
| 20110170321 | HF SURGICAL GENERATOR - A high-frequency surgical generator including a power supply for supplying rectified electrical energy, a power oscillator for supplying a potential-free, DC current-free and DC voltage-free high frequency voltage and a control device for controlling the high frequency voltage wherein the power supply is configured as a current source for supplying a load-independent output current, such that the load-independent output current of the power supply serves as the control variable for controlling the high-frequency voltage. The target value of the load-independent output current is pre-determined by the control device. The high-frequency surgical generators configured as such achieve improved modulation capability. | 07-14-2011 |
| 20110172656 | SOFT GENERATOR - A high-frequency surgical generator for generating high efficiency outputs that can be operated in resonance over a wide load resistance range. The high-frequency surgical generator includes, a first stage circuit for generating high-frequency power and a second stage circuit coupled to the first state circuit. The second stage circuit includes an input and an output and a series resonant circuit located between the input and the output. The second stage circuit further includes an inductor that is switched parallel to the input and a capacitor that is switched parallel to the output. | 07-14-2011 |
| 20110213365 | METHOD AND DEVICE FOR DEVITALIZING BIOLOGICAL TISSUE - A device for devitalizing biological tissue and a method for controlling a device for devitalizing biological tissue. According to one embodiment, at the start of the devitalization, a low, first temperature is used and, at the end of the devitalization, an increased, second temperature is used. A device and method for operating a cooled HF (high frequency) ablation probe, wherein the temperature of the probe is primarily regulated via the cooling power supplied to the probe, is also described. According to another embodiment, the HF energy supply to the probe during treatment of a tissue region is operated first at a constant current and then at a constant voltage. According to another embodiment, the regulation of the cooling power is carried out depending on the impedance of the tissue region. | 09-01-2011 |
| 20110306960 | RF SURGICAL APPARATUS - An RF surgical apparatus and method for operating such an apparatus. The RF surgical apparatus comprises at least two RF generators and at least one neutral electrode output for one neutral electrode. At least two outputs for connecting RF surgical instruments for applying treatment currents to the surgical instruments are provided. Furthermore, a switching device is provided. To enable a simultaneous operation of several RF surgical apparatuses, and not generate any neuromuscular stimulation, a separate generator is provided for each RF surgical instrument and a single neutral electrode is provided for all of the instruments and generators. The switching device is adapted to be arranged in a controlling connection with the RF generators such that the RF generators will never generate, and output to the instruments, any treatment currents at the same time (that is, they output only sequentially). | 12-15-2011 |
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| 20090209825 | Endoscope - An endoscope having a hollow shaft for inserting an image guide, so that the distal end of the shaft is configured at an angle to the longitudinal axis of the shaft and the shaft is closed at the distal end by means of an end piece provided with a pass-through borehole for the image guide. To create an endoscope with an image transmission system of sufficient image size and image quality that can be autoclaved for cleaning purposes, it is proposed with the invention that the image guide should be positioned in the shaft in such a way that the bending radius of the image guide in the area of the bending of the shaft is greater than the bending radius of the shaft in the area of the bending. | 08-20-2009 |
| 20100298643 | Endoscope With Eye-Piece Tiltable Via Metal Bellows - An endoscope, in particular for intubating an airway, includes a shaft, which in its distal end area includes a lens system for receiving an endoscopic image, and an endoscope head, which includes a first head section, which is connected with the shaft, as well as a second head section which includes an eyepiece, such that the second head section is configured tiltably in relation to the first head section, and such that the endoscope includes an image conductor, which is flexible at least in sections, for transmitting to the eyepiece the image captured by the lens system. The image conductor is surrounded by a protective tube that continues from the shaft as far as the second head section and is flexibly tiltable at least in sections. As a result, protection is afforded from both mechanical damage and from penetration of steam in superheated-steam sterilization. | 11-25-2010 |
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| 20080201047 | Method For Influencing an Automatic Gearbox, Taking Into Consideration the Tractional Resistance - The invention relates to a method for influencing an automated transmission taking into consideration the tractional resistance with which the magnitude of an external tractional resistance can be determined easily and without need of data exchange with devices outside the vehicle, the same as independently of a digitalized road map of the area in which the vehicle drives and with low construction complexity. | 08-21-2008 |
| 20080227600 | Method for Shifting a Motor Vehicle Automatic Transmission with a Hydrodynamic Torque Converter When the Vehicle Comes to a Stop - A method for shifting an automatic transmission ( | 09-18-2008 |
| 20100311539 | MOTOR VEHICLE - A motor vehicle with a hybrid drive system ( | 12-09-2010 |
| 20110287889 | METHOD FOR COUPLING AN INTERNAL COMBUSTION ENGINE OF A PARALLEL-HYBRID DRIVE TRAIN - A method of coupling a combustion engine of a parallel-hybrid drive train via a clutch positioned between the engine and an electric machine with the clutch device initially disengaged, the engine rotational speed approximately at an engine idling rotational speed, and the machine rotational speed larger than the engine idling rotation speed. When a request is made for a drive torque value which is larger than a torque threshold, the engine rotational speed is brought to a rotational speed value above the machine rotational speed and the clutch is slipping engaged once the rotational speed value is reached, while the engine, when the drive train decelerates and a request is made to couple the engine, is brought into deceleration cancellation and the engine rotational speed is brought up to the machine rotational speed while engaging the clutch and dependent on a transfer ability of the clutch. | 11-24-2011 |
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| 20100277873 | METHOD FOR MANUFACTURING A RIGID POWER MODULE SUITED FOR HIGH-VOLTAGE APPLICATIONS - Method for manufacturing a rigid power module with a layer that is electrically insulating and conducts well thermally and has been deposited as a coating, the structure having sprayed-on particles that are fused to each other, of at least one material that is electrically insulating and conducts well thermally, having the following steps:
| 11-04-2010 |
| 20110017808 | METHOD FOR THE LOW-TEMPERATURE PRESSURE SINTERING - A method for the low-temperature pressure sintering of at least one electronic unit to be contacted thermally, firmly connected mechanically, and located on a substrate, comprising the following steps: pressing the electronic unit using a mold enveloping matrix while sparing a connecting surface of the substrate for a heat sink connection, providing a heat sink plate, applying a sintering connecting layer onto the spared region of the connecting surface and/or onto to the region of the heat sink plate provided for contacting, and bonding of the heat sink plate to the substrate of the electronic unit in the region of the connecting surface using silver low-temperature pressure sintering technology. | 01-27-2011 |
| 20110255246 | METHOD FOR MANUFACTURING A RIGID POWER MODULE SUITED FOR HIGH-VOLTAGE APPLICATIONS - Method for manufacturing a rigid power module with a layer that is electrically insulating and conducts well thermally and has been deposited as a coating, the structure having sprayed-on particles that are fused to each other, of at least one material that is electrically insulating and conducts well thermally, having the following steps:
| 10-20-2011 |
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| 20080269043 | Ceramic Insulating Material and Sensor Element Containing a Ceramic Insulating Material - A ceramic insulating material, in particular for sensor elements for determining the concentration of gas components in gas mixtures, is based on an alkaline earth-containing ceramic. The insulating material contains a hexaaluminate of the alkaline earth metal and at least one mixed compound of the alkaline earth metal with an acid oxide, the molar ratio of hexaaluminate to the sum of mixed compounds in the insulating material being 1.3 to 4.0. | 10-30-2008 |
| 20080289961 | Sensor Element - A sensor element for determining the oxygen concentration in an exhaust gas has a conductor track applied to a solid electrolyte, which includes an electrode provided in a measuring area of the sensor element and an electrode lead connected to the electrode and situated in the lead area of the sensor element. In a transition area between the measuring area and the lead area, the conductor track has a narrowing. Furthermore, the electrode includes a first electrode section and a second electrode section, the first electrode section being connected to the electrode lead in a transition area between the measuring area and the lead area, and the first and second electrode sections being electrically connected to one another only on their sides facing away from the lead area. | 11-27-2008 |
| 20080296156 | SENSOR ELEMENT FOR DETERMINING A PHYSICAL PROPERTY OF A MEASURING GAS - A sensor element is provided for determining a physical property of a measuring gas, especially of the concentration of at least one gas component in the measuring gas, which has at least one ceramic layer, a diffusion barrier adjoining the at least one ceramic layer and at least one electrode that is exposed to the measuring gas diffusing through the diffusion barrier. In order to reduce the production variations with respect to the static pressure dependence and the limiting current of the diffusion barrier), the proportions of silicon in the diffusion barrier and in the at least one ceramic layer are approximately equal and differ by not more than 1 wt. %. | 12-04-2008 |
| 20090116534 | METHOD FOR OPERATING A GAS SENSOR - The invention relates to a method for operating a sensor, in particular a sensor made of ceramic material. Said sensor is heated to a shock-resistance temperature which is higher than a specific temperature. | 05-07-2009 |
| 20090241514 | CATALYTIC CONVERTER FOR THE TREATMENT OF COMBUSTION EXHAUST GASES - A catalytic converter for the treatment of combustion exhaust gases includes a first large surface, which is exposed to the exhaust gas to be purified and which has a layer of a catalytically active material suitable for converting gas components, and a planar first electrode which is in physical contact with the layer made of a catalytically active material suitable for converting gas components, and which is able to receive an electric pumping voltage. | 10-01-2009 |
| 20100193356 | SENSOR ELEMENT AND METHOD AND MEANS FOR ITS PRODUCTION - A sensor element for gas sensors is described for determining gas components of a gas mixture, especially in exhaust gases of internal combustion engines, having at least one electrochemical measuring cell and at least one porous layer that is exposed to the gas mixture. The porous layer contains palladium, platinum, ruthenium, an alkali metal and/or an alkaline earth metal, the platinum being contained in the porous layer at a minimum concentration of 1.5 wt. %. Furthermore, a method and an impregnating solution are described for producing the sensor element. | 08-05-2010 |
| 20110151335 | Lithium-sulfur cell and method for manufacturing - A lithium-sulfur cell comprising an anode structure, a cathode structure and an electrolyte section abutting to the cathode structure. The cathode structure comprises a continuous layer of nanotubes or nanowires and sulfur particles. The sulfur particles are attached to the nanotubes or nanowires. The continuous layer of nanotubes or nanowires abuts to at least a part of the electrolyte section. The invention further relates to a corresponding method for manufacturing the inventive cell. | 06-23-2011 |
| 20110162436 | Sensor element containing a sealing element for a functional component - A sensor element having a layered construction and configured to detect a physical property of a gas or a liquid includes a functional component situated in the interior, which functional component is connected electrically to a conductor element, which conductor element extends up to the outer surface or up into the surroundings of the sensor element. The sensor element has at least one sealing element which adjoins the functional component and/or the conductor element. The conductor element and the at least one sealing element are configured to be gas-tight at least regionally in the interior of the sensor element and are situated in such a way that the functional component is separated gas-tight from the surroundings of the sensor element. | 07-07-2011 |
