Assignee: Trimedyne, Inc.

Location: Irvine, CA
No. of patents: 23

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Number	Title	Issue Date
6998567	Generation and application of efficient solid-state laser pulse trains A method and devices for generating laser pulse trains for delivery to a target including the use of a single laser generator which produces a plurality of pulse groupings of two or more individual laser pulses within each laser pulse train, generated at selected ti...	02/14/2006
6953458	Device and method for delivery of long wavelength laser energy to a tissue site A laser energy delivery device and method are provided for irradiating a body tissue with relatively long wavelength laser energy in the presence of an aqueous liquid without significant absorption of the laser energy by the liquid. The device includes an elongate h...	10/11/2005
6845193	Laser channeling devices An optical fiber device for ablating a channel through a plaque deposit or a clot in a blood vessel is described. Laser energy is transmitted through one or a bundle of optical fibers to a quartz or fused silica cylinder, whose distal end surface has been made into ...	01/18/2005
6802838	Devices and methods for directed, interstitial ablation of tissue The invention relates to a catheter device including an optical fiber whose distal end is disposed within a hollow tube with a sharp or syringe shaped distal end, which may be inserted into tissue. The distal end of the optical fiber and the hollow tube are configur...	10/12/2004
6740107	Device for treatment of atrioventricular valve regurgitation A catheter device suitable for shrinking chordae tendineae of the human heart is provided having an energy conduit and a positioning device that facilitates the delivery of thermal energy, including coherent (laser) or non-coherent light, RF, microwave or ultrasound...	05/25/2004
6635052	Multi-fiber laser device for shrinking tissue Light energy is utilized to shrink or tighten tissue surrounding a hollow organ, cavity, duct or naturally occurring or surgically created passage by cross-linking the collagen of the surrounding tissue and ccausing scar formation therein. The present dev...	10/21/2003
6522827	Laser devices for performing a myringotomy A lasing device for performing a myringotomy or like procedure is provided. The distal end portion of an optical fiber used to transmit a laser energy beam to the surgical site is covered with a disposable, removably mounted sheath, whose distal end is su...	02/18/2003
6080148	Variable pulse width lasing device A variable pulse width lasing device for selectively reducing the amount of laser energy provided during a surgical procedure is described. The device includes a central processing unit, a laser resonator, pulse width detector and a pulse modulator. The c...	06/27/2000
5989242	Therapeutic appliance releasing device This invention is a device (10) for releasing a therapeutic appliance, such as an embolic coil (12) inside an aneurysm (16). The device includes a coupling (24) of a shape memory alloy which is responsive to a change in temperature beyond a predetermined ...	11/23/1999
5984915	Percutaneous laser treatment A method of percutaneous and subcutaneous laser treatment of the tissue of a patient is provided. The tip of an optical fiber is be passed through the skin, advanced through the tissue subcutaneously to a desired treatment area and withdrawn. Laser energy...	11/16/1999
5940420	Split-flow laser cooling cavity A split-flow laser cooling assembly for providing separate cooling environments for the pumping medium and the laser medium. The device includes a generally transparent monoblock, a pumping medium for providing pump light, and a laser medium responsive to...	08/17/1999
5746737	Enclosure for a lasing device An attachable enclosure for a lateral lasing device comprising a fiber optic for emitting a laser beam and an exposed reflector for laterally reflecting the laser beam opposite the distal end of the fiber optic. The enclosure comprises an elongated body h...	05/05/1998
5658275	Surgical laser instrument A surgical laser instrument including a transparent, splay, plate-like waveguide including one or more discontinuities therewithin for flattening and expanding a laser beam received through the waveguide and for emitting therefrom a relatively flat laser ...	08/19/1997
5649924	Medical device for irradiation of tissue A medical device applies localized heat to a site in a patient's body by irradiation with light and by conduction. The device includes a radiant energy transmitting conduit, typically an optic fiber, that carries radiant energy, typically high intensity l...	07/22/1997
5496309	Catheter device utilizing a laser beam laterally directed by a high index prism in a liquid medium A laser energy delivery catheter emits energy laterally relative to the longitudinal axis of the catheter. The catheter distal end is a cylindrical housing provided with a sidewall aperture. Within the housing is mounted a prism spaced from the distal end...	03/05/1996
5466234	Expandable laser catheter A catheter suitable for the delivery of laser energy to an obstruction in a body lumen is provided, which has an expandable, elastic distal end portion containing optical fibers whose exposed distal end faces are arranged in two or more substantially conc...	11/14/1995
5437660	Tissue ablation and a lateral-lasing fiber optic device therefor A method for removing unwanted material in a body lumen, cavity or organ provides the steps of using an endoscope or other viewing system to position a suitably sized lateral-lasing fiber optic device axially at one or more places in a body lumen, cavity ...	08/01/1995
5396571	Coupling device and method for improved transfer efficiency of light energy from a laser source into optical fibers Optical coupling devices for an improved coupling efficiency of light energy, without damage to the optical components, are disclosed. An optical system divides an input beam of light energy into two or more output beams of lesser energy, each of which is...	03/07/1995
5387211	Multi-head laser assembly A laser device is provided for the co-axial positioning of plural laser beams of same or different wavelengths along a single axis. At least two laser oscillators are provided, each producing a laser beam. A rotary reflector is positioned for intercepting...	02/07/1995
5242438	Method and apparatus for treating a body site with laterally directed laser radiation A method and device are provided for directing laser radiation to a body cavity site. A hollow, elongate, optical fiber is advanced, usually in a containing device, to the vicinity of the site and coupled to a laser source with a distal end region of the ...	09/07/1993
5190538	Method and apparatus for subjecting a body site to a movable beam of laterally directed laser radiation A method and device are provided for directing laser radiation to a body cavity site. A hollow, elongate, optical fiber is advanced to the vicinity of the site and coupled to a laser source with a distal end region of the fiber extending along a longitudi...	03/02/1993
5188634	Rotatable laser probe with beveled tip A catheter for ablating obstructing material within a corporal lumen includes a fiber optic member through which radiant energy can be transmitted to a distal end adjacent the site of the obstructing material. Beveled surfaces carried on the distal end of...	02/23/1993
5179610	Connector for coupling of laser energy A coupling system for coupling a beam of radiant energy from a laser to a fiber optic cable includes a secondary transmission path which surrounds the input end of the fiber optic cable and provides an optical path for energy which is not transmitted by t...	01/12/1993

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Assignee: Trimedyne, Inc.