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| Number | Title | Issue Date |
| 4834095 | Probe unit for electro-surgical device A probe unit for an electro-surgical device to apply high level frequency voltage to an operating area, the probe unit including an operative end portion provided with a forward cutting tip, and a rear housing connector portion provided with a ferrule rot... | 05/30/1989 |
| 4811733 | Electrosurgical device A device for electrosurgery includes a curved-tip probe adapted for insertion into an incision, and a resiliently deformable electrode movable longitudinally within the probe so that the distal end can be projected in an offset direction out of the tip of... | 03/14/1989 |
| 4800878 | Electrosurgical knife with visual alarm A disposable electrosurgical knife handle and blade is provided with a built-in warning light positioned on the top of the handle in the surgeon's line of vision during surgical procedures in order to warn, instantly, of unwanted surges in the electrical ... | 01/31/1989 |
| 4785807 | Electrosurgical knife An electrosurgical knife includes a stainless steel blade whose surface is abraided or etched, a first coat of primer material applied over the blade, where the surface of the primer material is also abraided or etched, and a second coat of non-stick fluo... | 11/22/1988 |
| 4754754 | Electrosurgical handpiece for blades and needles A novel handpiece for use with electrosurgical equipment and adapted to receive a disposable scalpel blade having an elongated insulated handle having first and second ends with its second end having an opening to the handle interior, an insulated electri... | 07/05/1988 |
| 4719914 | Electrosurgical instrument An electrosurgical instrument is disclosed comprising a hollow tubular member open at one for connection by a hollow tubing to a source of vacuum and a side opening adjacent to the open end. The opposite end of the tubular member includes a tapered hollow... | 01/19/1988 |
| 4688569 | Finger actuated surgical electrode holder A hand held holder, incorporating a light transmitting electrode tip that's separable from the handle, for use in high frequency electrosurgery, with built-in, finger actuated switches for operating a high frequency current generator. The device is partic... | 08/25/1987 |
| 4682596 | Electrosurgical catheter and method for vascular applications The method for resolving atherosclerotic plaque buildup and/or eroding unwanted tissue in a blood vessel includes the steps of: inserting an electrode in and along the lumen of a blood vessel; manually manipulating said electrode through the blood vessel;... | 07/28/1987 |
| 4657016 | Electrosurgical handpiece for blades, needles and forceps A handpiece adapted for use with a plurality of different electrosurgical electrodes. The handpiece comprises a collet in which a central bore for receiving adaptors and electrodes extends axially from an endface, slits for receiving the flat end of a sca... | 04/14/1987 |
| 4655215 | Hand control for electrosurgical electrodes A hand control for electrosurgical electrodes with the rocker arm current mode activating switch located near the front of the device. The activating switch allows a choice of coagulating current mode, cutting current mode, or neutral (no current mode). A... | 04/07/1987 |
| 4651280 | Electrosurgical control system using tissue conductivity A Microprocessor controlled Relay is between and in series with the Electro-Surgical Unit and the NiCr loop, to control the output power of the E.S.U. during the operation of Transurethral Resection. The predetermined parameters may input to the Microproc... | 03/17/1987 |
| 4625723 | Pencil for electrosurgical generator A pencil for electrosurgical generators includes a push button switch structure useful in selectively bridging spaced printed circuit contacts in spite of oxidized film on the contact surface. A movable concave disk has a sharp peripheral edge that is for... | 12/02/1986 |
| 4622966 | Surgical cutting device The cutting instrument of this invention is made by threading a heater assembly through a hollow cutting instrument body. A blade having a shank and a blade body including a cutting edge is secured within the hollow cutting instrument body at its shank po... | 11/18/1986 |
| 4593691 | Electrosurgery electrode An improved electrosurgery electrode is disclosed for cooperation with an electrode holder connected to a source of electrical power. The improved electrode comprises a solid electrode shaft having a first and a second end with a shaft connector electrica... | 06/10/1986 |
| 4589411 | Electrosurgical spark-gap cutting blade A spark-gap cutting blade for an electrosurgical active electrode pencil which has a central electrode surrounded by an insulator and a series of alternating electrically conductive and insulative elements. The central electrode is electrically connected ... | 05/20/1986 |
| 4562838 | Electrosurgery instrument An electrosurgery instrument having ducts to direct a stream of fluid past the electrode to dissipate the smoke produced in surgery. The instrument can also be provided with a light-transmitting cable to illuminate a region around the electrode.... | 01/07/1986 |
| 4481948 | Medical instrument, and methods of constructing and utilizing same A medical instrument including a cautery portion for use in performing an anterior or posterior capsulotomy during extracapsular cataract extraction surgery. A substantially rigid stem portion is connected between the cautery portion and a handle portion,... | 11/13/1984 |
| 4418692 | Device for treating living tissue with an electric current A device is disclosed for use in a laparoscopic tubal cauterization for blocking the fallopian tubes of a patient. The device comprises a substantially tubular body member having a piston slidably mounted therein. A spring urges the piston to a first posi... | 12/06/1983 |
| 4347842 | Disposable electrical surgical suction tube and instrument An expendable electrosurgical flexible suction tube for use with a cauterizer surgical instrument which combines the suction and power supply utilized in micro electrosurgical procedures. The disposable suction tube has metallic electrical contacts built ... | 09/07/1982 |
| 4333467 | Nonstick conductive coating An electrically conductive non-stick coating for a substrate for making electrical contact with external materials comprising a layer of conductive material adherently deposited on the substrate and a superposed layer of organic non-stick material on said... | 06/08/1982 |
| 4314559 | Nonstick conductive coating In a preferred embodiment, there is provided a conductive non-stick electrode for use with a hemostatic tissue cutting scalpel wherein, a first layer of conductive material having a textured working surface for contacting tissue is adherently deposited al... | 02/09/1982 |
| 4289132 | Surgical instrument and method of using the same A surgical instrument has a slender rod with a sharp point which is pushed inside out through skin tissue at a location remote from an incision so that the rod can be manipulated to perform a surgical procedure at the remote location by means of a surgica... | 09/15/1981 |
| 4170234 | System for use with electro-surgical pencil Electro-surgical pencils are used with a variety of commercially available machines which produce two different types of electrical impulses--one for cutting, the other for cauterizing. In the system of this invention there is a pencil having an electrode... | 10/09/1979 |
| 4085756 | Method and apparatus for performing an electrosurgical procedure A method and apparatus for performing an electrosurgical operative procedure which is particularly useful in sterilizing a human female by cutting and coagulating the fallopian tubes. The procedure includes inserting an active terminal of an electrosurgic... | 04/25/1978 |
| 4074718 | Electrosurgical instrument An electrosurgical instrument comprising a support member; at least one electrode mounted on the support, the electrode consisting essentially of a material having a figure of merit of at least 0.15 at room temperature where the figure of merit is the pro... | 02/21/1978 |
| 4034761 | Disposable electrosurgical switching assembly A disposable electrosurgical unit for generating electrical signals intended for applications to the body of a patient via an electrosurgical electrode is provided. Cutting signals and coagulation signals can be applied by the actuation of a switch in the... | 07/12/1977 |
| 4014343 | Detachable chuck for electro-surgical instrument A generally flat insulator chuck is arranged to retain surgical electrodes so that the working area of the electrodes extends externally on one end and an electrical circuit accomodating prong is contained within a recessed chamber at the other end. The r... | 03/29/1977 |
| 3980861 | Electrically heated miniature thermal implement A miniature thermal wire stripper having a pair of heater elements in the form of hollow tubes each with a heater coil disposed therein and affixed to a pair of spring loaded handles for contacting and subsequently melting through thermal (e.g. thermoplas... | 09/14/1976 |
| 3961630 | Protective circuit for radio-frequency electrosurgical device An electrosurgical device in which high frequency electrical energy powers a cutting electrode. Radio frequency energy is set up in a driver coil and a driven coil mounted in a handpiece. The driver coil energizes the driven coil to energize a surgical el... | 06/08/1976 |
