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| Number | Title | Issue Date |
| D631160 | High-frequency surgery device | 01/18/2011 |
| 7717911 | Instrument for plasma coagulation For the coagulation of tissue by plasma, instruments are known that comprise a tubular probe body through which inert gas is conducted and an ignition electrode within the lumen in the region of an outlet of the probe body. A current conductor is provided to supply ... | 05/18/2010 |
| D614689 | Multi segment display | 04/27/2010 |
| 7498532 | Control device for controlling electromedical appliances A known arrangement for controlling electromedical appliances or groups thereof employs foot-actuated switches or push-button switches, which are separately connected to each appliance. When it is necessary to control a large number of appliances or appliance groups... | 03/03/2009 |
| D578209 | Pump unit | 10/07/2008 |
| D577671 | Connector | 09/30/2008 |
| 7426415 | Neutral electrode for use in HF surgery In previously known neutral electrodes which are used in HF surgery, at least some portions comprise electrically conductive, stretchable, and flexible areas made of textile material, these areas being brought into contact with a body section of a patient. According... | 09/16/2008 |
| 7354435 | Electrosurgical instrument Electrosurgical instrument for the coagulation of biological tissue, wherein from a gas source a noble gas is sent through a tubular probe to at least one outflow opening in a distal end region of the probe, with an electrode device disposed in the distal end region... | 04/08/2008 |
| D559200 | Foot-operated switch | 01/08/2008 |
| D559199 | Foot-operated switch | 01/08/2008 |
| 7311707 | Connecting device for an electrosurgical instrument The invention relates to a connecting device for an electrosurgical instrument, which comprises at least one gas supply line and one power supply line. Said connecting device comprises a housing into which passes the gas supply line including the power supply line d... | 12/25/2007 |
| 7226465 | Surgical instrument A surgical instrument is provided that comprises at least three, and preferably four forceps elements with hook-shaped distal sections having free ends and associated proximal sections that are connected to actuators for moving the distal sections. The distal sectio... | 06/05/2007 |
| 7166106 | Bipolar clamp The invention relates to a bipolar clamp (10) comprising two scissor members (12, 14), which are joined together mechanically by means of an insulating screw or similar pivot joint (16) about which they can rotate with respect to one another, bu... | 01/23/2007 |
| 7066933 | High-frequency generator for performing high-frequency surgery having adjustable power limitation, and method for controlling the power limitation The invention relates to an HF generator and to a method for limiting the output effective power of the HF generator, especially for performing HF surgical cutting and coagulation of human or animal tissue. According to the invention, the output voltage and the HF o... | 06/27/2006 |
| D503981 | Carrier for medical instruments | 04/12/2005 |
| 6752799 | Method and device for endoscopic injection of at least one fluid It is very difficult to carry out injections during endoscopic operations. Here it is proposed to expel a specified amount of fluid from the end of a tube or from a nozzle, with hydraulic parameters such as pressure, rate of pressure increase, duration and/or veloci... | 06/22/2004 |
| 6608267 | Foot switch including elastic joint for proper positioning of switch component A foot switch for use in the control of medical apparatus comprises a pedal that is connected to and movably seated on a floor plate of a joint connection, a sensor linked to a switch element, and a repositioning device disposed between the floor plate an... | 08/19/2003 |
| 6579289 | Probe electrode A probe for the electrosurgical treatment of tissues, in particular by way of an endoscope, comprises a pipe-shaped or tubular supply device to guide a noble gas from a noble-gas source to a distal end of the supply device, and an electrode. The electrode... | 06/17/2003 |
| 6474993 | Artificial tissue This invention is directed to an artificial tissue comprising a formable composition comprising a hydrogel, an electrolyte, and combustible fibers, said composition being useful for modeling organs, parts of organs, or systems of organs. The artificial ti... | 11/05/2002 |
| 6348051 | Preparation instruments In a dissecting instrument for surgical operations a working instrument such as a blade with cutting edge is fastened to a holding device such as a handle. Coagulation devices are provided, with a gas-supply apparatus to supply an ionizable (noble) gas an... | 02/19/2002 |
| 6302881 | Method and apparatus for the removal of smoke during high-frequency surgery During the treatment of biological tissues by high-frequency surgery, contaminants, in particular smoke, are produced. In the present invention a suction device for removal of the contaminants is controlled in such a way that it becomes active only when a... | 10/16/2001 |
| 5776092 | Multifunctional surgical instrument Multifunctional instrument for ultrasound surgery having an applicator 2 for a dissection of biological tissue, as well as a device for cutting and/or coagulating of the tissue. At the instrument end separate from the ultrasound applicator 2 at least one ... | 07/07/1998 |
| 5720745 | Electrosurgical unit and method for achieving coagulation of biological tissue A method for coagulating tissue during endoscopic surgery by using argon plasma coagulation is described. An endoscope is used having a flexible, hollow tube inserted through one of the working channels of the endoscope. Inside the tube an electrode is ar... | 02/24/1998 |
| 5267997 | High-frequency electrosurgery apparatus with limitation of effective value of current flowing through a surgical instrument A high-frequency electrosurgery apparatus for cutting and/or coagulating biological tissues that may have a number of operating modes is described. As control panel on which one or more parameters of the high-frequency output of the apparatus can be set. ... | 12/07/1993 |
| 5087257 | Apparatus for monitoring the application of neutral electrodes on a patient undergoing high frequency electro-surgery At least one neutral electrodes insulated from each other is separately connected to the current return terminal of a high frequency electro-surgical equipment are applied in electrical contact with the skin of a patient while surgery is performed with th... | 02/11/1992 |
| 5062031 | Self oscillating power stage for inverted rectifier power supply A self-oscillating inverted rectifier has a series-resonant circuit connected between a load and the selector terminal of an electronically controllable switch, the other terminals of which are connected respectively to d.c. sources of different potential... | 10/29/1991 |
| 4969885 | High frequency surgery device for cutting and/or coagulating biologic tissue A high frequency AC electro-surgery apparatus is equipped with an automatic regulation loop for controlling the output voltage (Ua) rather than the output power. An electrically isolating coupling in the form of an isolation transformer (5) is ... | 11/13/1990 |
| 4922210 | Feedback-coupled high-frequency power oscillator A high-frequency power oscillator is built around a power amplifier utilizing semiconductors in a complementary or quasi-complementary stage which operate in a switching mode of operation. The output of the amplifier supplies high-frequency oscillations t... | 05/01/1990 |
| 4909255 | Apparatus for electric stimulation therapy equipment In an electric stimulation therapy equipment two or more stimulation current circuits for simultaneous treatment of a patient, for example for muscle training or retraining, the two stimulation circuits have individual modulators for varying the intensity... | 03/20/1990 |
| 4890073 | High frequency generator for use with loads subject to great impedance variations A power amplifier driven in the switching mode is started into oscillation by a pulse from an auxiliary oscillator when it is first activated. Reactive currents thereby resulting in an output filter network, containing a series resonant circuit followed b... | 12/26/1989 |
| 4860745 | High frequency electrosurgical apparatus for thermal coagulation of biologic tissues A high frequency surgical apparatus for the thermal coagulation of biologic tissues is described, in which for monitoring the fluctuations in amplitude of the high frequency current during each coagulation process a current monitor (25) is provided, which... | 08/29/1989 |
| 4788977 | High-frequency surgical instrument Described is a safety circuit for a high-frequency surgical instrument for the monopolar cutting and coagulating of biological tissue, where the neutral electrode is high-frequency-grounded through a capacitor. The safety circuit monitors the low-frequenc... | 12/06/1988 |
| 4658815 | High-frequency electrosurgical unit with timed safety shut down interlock A supplementary acoustic warning signal is provided for a high-frequency electrosurgical unit which sounds only after the lapse of an interval set by a first delay circuit shows that one of the high-frequency generators in the unit remains active longer t... | 04/21/1987 |
| 4278090 | Cryosurgical device The invention concerns a cryosurgical instrument with a probe for cooling limited zones of biological tissues, of which the thermally well-conducting tip has a hollow interior cross-section, into which a supply conduit connects with a constricted exit gap... | 07/14/1981 |
| 4244371 | High-frequency surgical apparatus In a high-frequency surgical apparatus having a number of electrode-connections for a neutral electrode and a number of electrodes, respectively, for monopolar and bipolar operation, a single high-frequency generator operating through a transformer with m... | 01/13/1981 |
| 4202336 | Cauterizing probes for cryosurgery A heating coil close to the freezing tip of a cryosurgical probe operates through a highly heat conductive portion of the probe wall so as to cauterize previously frozen tissues. The liquid nitrogen supply is continued long enough to cool the cauterizing ... | 05/13/1980 |
| 4171700 | High-frequency surgical apparatus In a high-frequency surgical apparatus having a number of electrode-connections for a neutral electrode and a number of electrodes, respectively, for monopolar and bipolar operation, two high-frequency generators are connected to a single voltage source, ... | 10/23/1979 |
| 4137919 | Electromedical clip structure The base of a clip or forceps for application of high-frequency electricity for coagulation of living tissues provides mechanical securing of the electrodes to each other by means of a dovetail tongue and groove engagement with an intervening insulation l... | 02/06/1979 |
| 3971383 | Cryogenic surgical instrument To insulate the supply lines to an operating tip of a cryogenic surgical instrument, a coaxial assembly of tubes is provided, the inner one being connected to a supply of cryogenic liquid, such as liquid nitrogen; the space between the outer wall of the i... | 07/27/1976 |
