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| Number | Title | Issue Date |
| 6558374 | Laser-operated dental handpiece A dental or surgical handpiece which operates on the basis of laser includes a light guide for the laser which, in order to ensure the relative rotation between supply hose and handpiece, is arranged concentrically in the coupling between the supply hose ... | 05/06/2003 |
| 6554824 | Methods for laser treatment of soft tissue Methods are provided for treating prostate glands or other targeted soft tissue using a solid-state laser. The laser can be operated to generate a pulsed output beam having pulse durations of between 0.1 and 500 milliseconds. The output beam is delivered ... | 04/29/2003 |
| 6554794 | Non-deforming deflectable multi-lumen catheter A non-deforming deflectable multi-lumen catheter with an outer jacket having a deflectable distal end portion, an eccentric pull wire lumen, coil and shim embedded therein. The deflectable distal portion optionally having one or more transaxial notches in... | 04/29/2003 |
| 6551346 | Method and apparatus to prevent infections A photosensitizer together with complementary light energy are used to prevent the development of infection associated with an indwelling medical catheter or device. Light of a selected wavelength or wavelength band is coupled to the catheter or device an... | 04/22/2003 |
| 6547779 | Flexible flow apparatus and method for the disruption of occlusions Methods and apparatus for creating fluid flow from one location to another are disclosed. The fluid flow is created via the absorption of repetitive pulses of radiation in a fluid to generate bubbles that expand and collapse repetitively. This fluid mecha... | 04/15/2003 |
| 6544257 | Thermal treatment apparatus A thermal treatment apparatus comprises a control unit 251a that stops issuing a signal for laser beam activation transmitted over the foot switch signal cable 291 when the temperature obtained by the mirror temperature sensor 111 that detects the tempera... | 04/08/2003 |
| 6537270 | Medical hand piece for a laser radiation source A medical handpiece is disclosed which is connected with a laser radiation source via a beam guidance device and by which a laser beam is directed to a treatment area. The handpiece is freely movable to the laser beam source. At least one optical element ... | 03/25/2003 |
| 6533773 | Myocardial revascularization through the endocardial surface using a laser Myocardial revascularization is performed by an apparatus and method which forms channels in the myocardium from inside the ventricular cavity without penetrating the full thickness of the ventricular wall. A catheter has a fiber optic connected at its ha... | 03/18/2003 |
| 6532387 | Catheter for delivering electromagnetic energy for enhanced permeation of substances The present invention provides a catheter device/method for enhancing local administration of pharmaceutical compounds. Such device/method is used for various situations which require high concentrations of drugs that are delivered locally.... | 03/11/2003 |
| 6530921 | Laser irradiation apparatus Laser irradiation apparatus 100 comprises: a long and slender main body 101; an optical fiber 107 provided slidable inside the main body 101; a guide unit 115 that forms a curved track, along which the distal end of the optical fiber 107 slides; and a dri... | 03/11/2003 |
| 6530889 | Catheter system and catheter to be used therein The invention relates to a catheter system adapted for pressure sensing. It comprises a transmitter/receiver for polarized light and an optical fiber to be connected to said transmitter/receiver, said fiber at its distal end being provided with a cylindri... | 03/11/2003 |
| 6520957 | Treatment of in-stent restenosis using cytotoxic radiation Methods and systems are disclosed for treating in-stent restenosis using radiation having a wavelength sufficient to kill or promote cellular death (e.g., through programmed cell death), or otherwise remove smooth muscle cells which have proliferated, or ... | 02/18/2003 |
| 6522806 | Optical fiber including a diffuser portion and continuous sleeve for the transmission of light A novel optical fiber, and a method for its production, having a diffuser portion and continuous unitarily-constructed outer sleeve, which is adapted for the transmission of light to a treatment locale. More particularly, a medical instrument has an optic... | 02/18/2003 |
| 6520981 | Significance of dosimetry in photodynamic therapy of injured arteries Photodynamic therapy (PDT), the light activation of methylene blue or benzoporphyrin derivatives to produce free-radicals, was shown in vivo to inhibit intimal hyperplasia (IH) and restenosis. The present invention provides an effective clinical approach ... | 02/18/2003 |
| 6491689 | Percutaneous myocardial revascularization device and method Devices and methods for creating a series of percutaneous myocardial revascularization (PMR) channels in the heart. One method includes forming a pattern of channels in the myocardium leading from healthy tissue to hibernating tissue. Suitable channel pat... | 12/10/2002 |
| 6485485 | Expandable laser catheter Expandable laser catheters for utilizing laser energy to remove obstructions from body passages are described. In one embodiment, the laser catheter includes a shaftway having a distal end including a flexible portion configured in a series of radial fold... | 11/26/2002 |
| 6484052 | Optically generated ultrasound for enhanced drug delivery High frequency acoustic waves, analogous to ultrasound, can enhance the delivery of therapeutic compounds into cells. The compounds delivered may be chemotherapeutic drugs, antibiotics, photodynamic drugs or gene therapies. The therapeutic compounds are a... | 11/19/2002 |
| 6475210 | Light treatment of vulnerable atherosclerosis plaque A vulnerable plaque treatment catheter arrangement for the analysis and treatment of the lipid pool of a vulnerable plaque in a coronary artery is disclosed. The arrangement comprises a flexible, elongated, hollow sheath having a proximal end and a distal... | 11/05/2002 |
| 6471692 | System and method for manipulating movement of an energy emitting device within a body cavity A system and a method for manipulating movement within a body cavity. The device includes an optical fiber coupled to an energy source and a sleeve for containing the fiber. The fiber has distal end for positioning adjacent to a surface being treated with... | 10/29/2002 |
| 6470205 | Medical instrument for insertion into an examination subject, and medical examination/treatment device employing same In a medical instrument for insertion into an examination subject, as well as a medical examination device or treatment device employing such an instrument, the instrument has an elongated instrument body formed by a number of successively arranged rigid ... | 10/22/2002 |
| 6464694 | Laser-assisted liposuction method and apparatus A liposuction cannula having a source of aqueous solution, a laser source, and a suction source. Aqueous solution is released into an active area within the cannula, and laser energy is directed onto the aqueous solution within the active area to energize... | 10/15/2002 |
| 6464693 | Myocardial revascularization A myocardial revascularization system that includes a laser energy source (e.g., a semiconductor laser), an outer guide member providing access to a patient's heart, and an optical fiber. The optical fiber is coupled to receive laser energy pulses from th... | 10/15/2002 |
| 6463313 | Systems for guiding a medical instrument through a body Guidance systems for guiding a catheter through tissue within a body are described. In one form, the system is implemented in connection with a catheter which includes a catheter body having a optic fibers extending between a first end and a second end th... | 10/08/2002 |
| 6456769 | Fiber bundle and endoscope apparatus A fiber bundle consists of first optical fibers and second optical fibers. At the distal end of the fiber bundle, the first and second optical fibers are bundled in a square close-packed array or a hexagonal close-packed array. The first and second optica... | 09/24/2002 |
| 6454762 | Instrument for applying light, especially laser light, to the human or animal body An instrument is provided for applying light, particularly laser light, to the human or animal body. A tubular shaft is provided into which a flexible light waveguide may be inserted, where a light-emitting end of the waveguide comes to rest at a distal e... | 09/24/2002 |
| 6454763 | Laser surgical handpiece with photon trap A laser surgical device for removal of intraocular tissue including a handpiece and a tip. The handpiece has a sleeve that creates a passage way for irrigation fluid. An optic fiber or similar light conveying means is contained within the handpiece. A pas... | 09/24/2002 |
| 6447504 | System for treatment of heart tissue using viability map A system for treatment of tissue, such as heart tissue, includes a laser source and a catheter having an optical waveguide which is operatively connected to the laser source. The catheter also includes a position sensor for generating position signals rel... | 09/10/2002 |
| 6440125 | Excimer laser catheter A method and apparatus of providing endovascular therapy. The steps include arranging optical fibers within a catheter, the catheter having a tip whose length is at least 1 cm and whose diameter of less than 1 millimeter, connecting an excimer laser to th... | 08/27/2002 |
| 6440124 | Flexible flow apparatus and method for the disruption of occlusions The invention encompasses methods and flexible apparatus for delivering radiation energy to a radiation-absorbing fluid within the apparatus to generate a series of expanding and collapsing bubbles therein, and thereby generate flow in a fluid surrounding... | 08/27/2002 |
| 6438305 | Laser transmitting system and hand instrument having such system for use with laser device A laser device includes first and second laser transmitting passages. The first laser transmitting passage in the form of tube has an interior opened at its first and second ends. The second laser transmitting passage has first and second ends. The first ... | 08/20/2002 |
| 6436095 | Method for monitoring revascularization treatment using pre-pmr data and post-pmr data A method for monitoring revascularization treatment provided to tissue, such as heart tissue, comprises the steps of identifying a location in tissue and positioning a catheter at the location. Electrical signals of the tissue are measured in order to est... | 08/20/2002 |
| 6428531 | Photoacoustic removal of occlusions from blood vessels Partial or total occlusions of fluid passages within the human body are removed by positioning an array of optical fibers in the passage and directing treatment radiation pulses along the fibers, one at a time, to generate a shock wave and hydrodynamics f... | 08/06/2002 |
| 6423055 | Phototherapeutic wave guide apparatus Methods and apparatus are disclosed for forming annular lesions in tissue. The methods include introduction of an optical apparatus proximate to a tissue site, via, for example, a catheter. The optical apparatus includes a pattern-forming optical wave gui... | 07/23/2002 |
| 6418337 | MRI guided hyperthermia surgery An MRI guided surgical apparatus includes a heat source formed by a laser and an optical fiber carrying the heat energy into a part to be coagulated by hyperthermia with an end reflector to direct the energy in a beam to one side of the fiber end. The fib... | 07/09/2002 |
| 6402734 | Apparatus and method for cannulating retinal blood vessels An apparatus and method for safely cannulating a retinal blood vessel is described. The apparatus consists of a micropipette,micromanipulator and positioner mounted to a base which is attached to a wrist rest commonly used in eye surgery. The micropipette... | 06/11/2002 |
| 6400875 | Method for protecting a fiber optic probe and the resulting fiber optic probe A fiber optic probe is provided that includes a housing, at least one optical fiber disposed within the housing, one end of each of the at least one optical fiber being disposed adjacent an opening in the housing forming a probe face, a binding agent that... | 06/04/2002 |
| 6398778 | Optical fiber diffuser Optical fiber diffusers for emitting light cylindrically along a length of the fiber diffuser with preselected light intensity distributions along the length of the diffuser. The diffuser portion is defined by forming a Bragg grating in a section of the o... | 06/04/2002 |
| 6398777 | Endovascular laser device and treatment of varicose veins A method is disclosed for treating blood vessels using endovascular techniques to deliver laser energy. Percutaneous access into the vein lumen will be obtained using an angiocatheter through which a fiber optic line will be introduced. The vein will be e... | 06/04/2002 |
| 6395000 | High repetition rate erbium: YAG laser for tissue ablation A medical laser system is disclosed for ablating biological material. The system includes an Erbium:YAG gain medium capable of generating a pulsed output having a wavelength of 2.9 microns. The laser is optimized to generate a pulsed output having a repet... | 05/28/2002 |
| 6391023 | Thermal radiation facelift device A device is described that can be used by surgeons to provide quick and accurate face-lifting maneuvers that minimize the amount of tissue that has to be removed. The device comprised of a hollow undermining shaft with specially designed tip that can safe... | 05/21/2002 |
