"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7381976 | Monochromatic fluid treatment systems Methods, systems and apparatus for photo-processing of fluids, particularly complex fluids, such as blood products, pharmaceuticals, injectables and vaccines, are provided. The disclosed methods and systems employ non-laser light source(s) to generate monochromatic ... | 06/03/2008 |
| 7291985 | External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy Described is a plasma electrode-less lamp. The device comprises an electromagnetic resonator and an electromagnetic radiation source conductively connected with the electromagnetic resonator. The device further comprises a pair of field probes, the field probes cond... | 11/06/2007 |
| 7251263 | Capillary discharge x-ray laser A compact, high repetition rate, extreme ultraviolet/soft x-ray laser and method for generating such radiation are described. Excitation of the gaseous or vaporous lasing medium is achieved by discharging energy stored in a solid-dielectric capacitive device through... | 07/31/2007 |
| 7199374 | Corona discharge lamps Excimers are formed in a gas (30,130) by applying a pulsed potential between a first electrode (14,114) and a counter electrode (26, 126) so that corona discharge occurs, substantially without arcing, when the potential is on. The pulses or on-t... | 04/03/2007 |
| 7057189 | Monochromatic fluid treatment systems Methods, systems and apparatus for photo-processing of fluids, particularly complex fluids, such as blood products, pharmaceuticals, injectables and vaccines, are provided. The disclosed methods and systems employ non-laser light source(s) to generate monochromatic ... | 06/06/2006 |
| 7023128 | Dipole ion source A dipole ion source (FIG. 1) includes two cathode surfaces, a substrate (1) and a pole (3); wherein a gap is defined between the substrate and the pole; an unsymmetrical mirror magnetic field including a compressed end, wherein the substrate is ... | 04/04/2006 |
| 6982421 | Extreme ultraviolet source To both increase the efficiency of conversion into EUV radiation energy and also increase the amount of emerging EUV radiation in an EUV source a discharge tube is connected to a gas supply space for supply of the discharge gas which in located radially with respect... | 01/03/2006 |
| 6750600 | Hall-current ion source In accordance with one specific embodiment of the present invention, a Hall-current ion source of the end-Hall type has an anode that is contoured with one or more recesses in the electron-collecting surface which have areas that are protected from the deposition of... | 06/15/2004 |
| 6657367 | Dielectric barrier discharge lamp device A dielectric barrier discharge lamp device which allows ultraviolet rays to be uniformly radiated onto a workpiece having a large surface area and which can be easily adapted to the size of workpiece. In the dielectric barrier, at least one dielectric bar... | 12/02/2003 |
| 6639970 | Low angle high speed image tube An imaging tube (51) is provided including a cathode (58) and an anode (60). The cathode (58) includes an emission surface (99), which emits a plurality of electrons along an emission axis (56). The anode (60) includes a body (76) having a track (58) on a... | 10/28/2003 |
| 6373192 | Dielectric barrier discharge lamp and irradiation device A dielectric barrier discharge lamp with a translucent part made of silica glass which contains OH radicals and in which damage of the silica glass by UV radiation can be suppressed and a sufficient amount of UV radiation can be obtained in a dielectric b... | 04/16/2002 |
| 6262523 | Large area atmospheric-pressure plasma jet Large area atmospheric-pressure plasma jet. A plasma discharge that can be operated at atmospheric pressure and near room temperature using 13.56 MHz rf power is described. Unlike plasma torches, the discharge produces a gas-phase effluent no hotter than ... | 07/17/2001 |
| 6137237 | High frequency inductive lamp and power oscillator A high frequency inductively coupled electrodeless lamp includes an excitation coil with an effective electrical length which is less than one half wavelength of a driving frequency applied thereto, preferably much less. The driving frequency may be great... | 10/24/2000 |
| 5955886 | Microliter-sized ionization device and method A microliter-sized metastable ionization device with a cavity, a sample gas inlet, a corona gas inlet and a gas outlet. A first electrode has a hollow and disposed in the cavity and is in fluid communication with the sample gas inlet. A second electrode i... | 09/21/1999 |
| 5847494 | Corona discharge reactor A corona discharge reactor which has a central electrode in the form of a metal rod with radial projections and a cylindrical outer electrode surrounding the inner electrode.... | 12/08/1998 |
| 5517077 | Ion implantation having increased source lifetime Ion implantation equipment is modified so as to provide filament reflectors to a filament inside of an arc chamber, and to remove the electrical insulators for the filament outside of the arc chamber and providing a means of shielding, thereby reducing th... | 05/14/1996 |
| 5502346 | Apparatus to generate corona discharges An apparatus to generate corona discharges that consists of (a) a ground electrode tube, (b) a single-opening insulating tube inserted into the ground electrode tube, (c) a high-voltage electrode tube inserted into the insulating tube, and (d) two insulat... | 03/26/1996 |
| 5420390 | Image heating apparatus using a microwave discharge plasma lamp An improved image heating apparatus using a plasma lamp is disclosed. The apparatus comprises at least one rotary elliptical mirror having a reflection surface of a rotary elliptical body at the inside; a plasma lamp disposed at a first focal point of the... | 05/30/1995 |
| 5185552 | Vacuum ultraviolet light source A vacuum ultraviolet light source for generating a pulse discharge in a low pressure gas and extracting ultraviolet light from a plasma created in that discharge, is disclosed which comprises a discharge space P, a plate-like anode located in the discharg... | 02/09/1993 |
| 4937490 | High intensity radiation apparatus and fluid recirculating system therefor An apparatus for producing high intensity radiation has electrodes positioned within an elongated cylindrical arc chamber across which an arc discharge can be established. Liquid is injected into the arc chamber to produce a vortex motion therein to form ... | 06/26/1990 |
| 4931687 | Spark gap switch having a two-phase fluid flow A two-phase fluid is injected into a volume upstream of the spark gap flow channel of a spark switch. The injected two-phase flow can be separated, causing the liquid component of the two-phase fluid to form a layer adjacent the wall of the flow channel a... | 06/05/1990 |
| 4894582 | Method and apparatus for enhancing spark channel recovery by spark-generated unsteady flows A spark gap chamber to promote mixing and/or translation of hot residue gases into the surrounding gases in an unpurged spark gap chamber. The shock (and expansion) waves are reflected from walls and other structures within the spark gap chamber to cause ... | 01/16/1990 |
| 4837484 | High-power radiator The high-power radiator comprises a discharge space (12) bounded by a metal electrode (8), cooled on one side, and a dielectric (9). The discharge space (12) is filled with a noble gas or gas mixture. Both the dielectric (9) and the other electrode situat... | 06/06/1989 |
| 4823043 | Lens pipe arc lamp A arc discharge light pipe comprised of a sapphire light pipe, a cathode, and an anode. The anode is a hollow cylinder with an end cap having an aperture therein. The pointed cathode and the end cap of the anode form an arc gap which produces a conical ar... | 04/18/1989 |
| 4714860 | Ion beam generating apparatus An ion generating apparatus utilizing a vacuum chamber, a cathode and an anode in the chamber. A source of electrical power produces an arc or discharge between the cathode and anode. The arc is sufficient to vaporize a portion of the cathode to form a pl... | 12/22/1987 |
| 4700102 | High intensity radiation apparatus having vortex restriction means A high intensity radiation source. A liquid vortex wall is formed on the inside surface of an arc chamber to restrict the diameter of an arc generated between electrodes. The liquid vortex wall is obtained by utilizing a vortex generating means which incl... | 10/13/1987 |
| 4623822 | Electrodeless discharge resonance lamp An electrodeless discharge resonance lamp for producing light by microwave excitation of gas molecules is disclosed. The lamp comprises a head having a passage therethrough and a gas inlet port in communication with the passage. A window is removable moun... | 11/18/1986 |
| 4563608 | Gas flow stabilized megavolt spark gap for repetitive pulses A high voltage spark gap switch including a housing having first and second end walls being spaced apart by a predetermined distance. A first electrode is positioned on the first end wall and a second electrode is positioned on the second end wall. The fi... | 01/07/1986 |
| 4496873 | Flash tube having coax cable connector Flash tube comprising a discharge tube made from a transparent material, an electrode located at either end of the discharge tube, one electrode serving to be raised to earth potential and the other to a high potential, an electrical connection connecting... | 01/29/1985 |
| 4325006 | High pulse repetition rate coaxial flashlamp A coaxial flashlamp for pulsed operation at high repetition rates having an annular, light emitting discharge path between fluid cooled coaxially disposed, inner and outer optically transparent tubes. Electrodes are provided at opposite ends of the discha... | 04/13/1982 |
| 4266196 | Gas detecting means utilizing electric discharge A gas detecting means of this invention is provided with a discharge section which radiates light by electric discharge, a detecting section which collects an ion current of a sample gas ionized by the light, and an optical path which connects the dischar... | 05/05/1981 |
| 4250433 | Vacuo spark generator for the spectrographic analysis of samples An in vacuo spark generator for the spectral analysis in the ultraviolet of a sample acting as an anode, with a coaxial annular cathode cooperating with the anode and an electrode for the formation of initiation sparks the operative portion of which is di... | 02/10/1981 |
| 4199703 | Low inductance, high intensity, gas discharge VUV light source A gas discharge vuv light source is disclosed having low inductance and a high intensity output covering a range from 90 A to 6000 A. The source comprises a capillary defining a first bore removably, and at least partially, mounted within an air-cooled ce... | 04/22/1980 |
| 4163889 | Device for the simultaneous operation of a number of gas discharge electron guns A device for the simultaneous operation of a number of gas discharge electron guns in which electron beams produced by the guns have different intensities due to different diameters of discharge spaces and/or due to a different anode-cathode distance.... | 08/07/1979 |
| 4027185 | High intensity radiation source The novel radiation source system of this invention includes a pair of electrodes which are coaxially mounted at each end of a single cylindrical transparent arc chamber. A liquid, such as water, is circulated through the arc chamber with a tangential vel... | 05/31/1977 |
| 3983436 | Electric arc discharge lamp To permit high density of light output, for example in the order of 400kW3 required to stimulate lasers, the arc is stabilized by generating the arc inside a transparent tube, the inner surface of which is covered with a film of liquid, such a... | 09/28/1976 |