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| Number | Title | Issue Date |
| 5814041 | Laser illuminator An illuminator including a differential optical radiator and a laser fiber disposed within the differential optical radiator. The differential optical radiator includes a first region that has a first level of reflectivity and a first level of transmissiv... | 09/29/1998 |
| 5807387 | Optical designation device especially for microsurgical operations Optical designating device, especially for use in microsurgery, comprising a tool-carrier stage (2) integral with the optical instrument (1), supporting at least one light source (4, 5) for emitting a light beam (6, 7), said light source (4, 5) being offs... | 09/15/1998 |
| 5800478 | Flexible microcircuits for internal light therapy A plurality of embodiments for a flexible probe used to provide photodynamic therapy (PDT) and to effect other medical procedures at an internal treatment site inside a patient's body. Each of the embodiments of the flexible probe (100, 108, 130, 158, 182... | 09/01/1998 |
| 5785704 | Method for performing stereotactic laser surgery A method for the photodisruption of tissue using a laser beam for stereotactic laser neurosurgery includes the initial step of positioning the distal end of a probe into the tissue to be photodisrupted. A laser beam having laser pulses of picosecond or fe... | 07/28/1998 |
| 5782822 | Method and apparatus for removing corneal tissue with infrared laser radiation A surgical technique for removing corneal tissue with scanned infrared radiation is disclosed which utilizes short mid-infrared laser pulses to provide a tissue removal mechanism based on photospallation. Photospallation is a photomechanical ablation mech... | 07/21/1998 |
| 5782896 | Use of a shape memory alloy to modify the disposition of a device within an implantable medical probe An implantable probe having an elongated sheath with provision for remotely positioning a device disposed within the elongated sheath. In one embodiment, the device is a circuit board, and a shape memory alloy (SMA) such as Nitinol is used to fabricate on... | 07/21/1998 |
| 5772657 | Side firing fiber optic laser probe A side firing fiber optic probe is disclosed. The delivery end of the probe is provided with an angled face oriented to totally internally reflect the treatment beam out of the side surface of the fiber in a direction transverse to the longitudinal axis t... | 06/30/1998 |
| 5766234 | Implanting and fixing a flexible probe for administering a medical therapy at a treatment site within a patient'body A plurality of embodiments for a flexible probe used to provide photodynamic therapy (PDT) and to effect other medical procedures at an internal treatment site inside a patient's body. Each of the embodiments of the flexible probe (100, 108, 130, 158, 182... | 06/16/1998 |
| 5728090 | Apparatus for irradiating living cells Apparatus for use in photodynamic therapy (PDT) is provided having a substantially cylindrical support to which is attached a removable, multi-sided head. Each side of the head has an array of light-emitting diodes that provide monochromatic light to acti... | 03/17/1998 |
| 5703985 | Optical fiber device and method for laser surgery procedures A device for use in laser surgical procedures for moving axially an optical fiber bundle that is connected at its proximal end to a source of laser energy. The distal end of the fiber bundle has a generally tapered configuration so that it is capable of p... | 12/30/1997 |
| 5702360 | Ultrasonic surgical knife A surgical knife comprising an ultrasonic generator (3) for ultrasonically vibrating an electrode or sonotrode (9) arranged at the front end of the knife and provided with an axial suction bore (19, 21). The surgical knife is characterized in that its bac... | 12/30/1997 |
| 5700259 | Thoracoscopic transmyocardial revascularization handpiece assembly A thoracoscopic transmyocardial revascularization handpiece assembly for a medical laser system which includes a barrel which fits between the patient's ribs, a handpiece which fits between the ribs, a contacting surface on one end of the handpiece with a... | 12/23/1997 |
| 5695493 | Laser surgical unit In a laser surgical unit having a contact laser probe (1), a hydroxyl group (13) is included in the contact laser probe so that a laser beam is partially absorbed by the hydroxyl group (13) to heat the contact laser probe (1) for transmission to living ti... | 12/09/1997 |
| 5674217 | Heart synchronized extractor for an implanted object A lead extraction device synchronized to the cardiac cycle which utilizes laser light to separate an implanted object, such as a pacemaker lead, from fibrous scar tissue and thereby permit the implanted object to be extracted from a body. The extraction d... | 10/07/1997 |
| 5662590 | Apparatus and method for vasodilation A method and apparatus for dilating blood vessels in vasospasm through the use of high frequency wave, e.g., hydraulic or acoustic waves. The invention is suitable to treat any vasospasm, including any vasospasm intractable to medication, including cerebr... | 09/02/1997 |
| 5649923 | Catheter devices for delivering laser energy A method for conducting laser energy to a site includes steps of bringing the proximal end of a flexible tube near the site, filling at least a proximal portion of the tube with a liquid by introducing the liquid into the tube, allowing a portion of the l... | 07/22/1997 |
| 5613965 | Corneal reprofiling using an annular beam of ablative radiation Methods and systems are disclosed for corneal reprofiling employing an annular beam of ablative radiation to correct refractive errors in vision, and/or create "blend zones" in order to reduce any surface discontinuities on the cornea following hyperopia-... | 03/25/1997 |
| 5609591 | Laser balloon catheter apparatus A laser balloon catheter apparatus emits laser light, received through optical fiber, via a balloon for irradiating tissue. It includes a laser light emitting means, a coolant supply passage located in the balloon, a coolant discharge passage located in t... | 03/11/1997 |
| 5586982 | Cell transfection apparatus and method An apparatus and associated method provides for the application of a cell treatment agent, such as genetic material or drugs to be inserted within the cells of a patient in vivo. The apparatus may be a catheter arrangement with various embodiments for app... | 12/24/1996 |
| 5573531 | Fluid core laser angioscope A liquid core laser optical scope for illuminating, viewing, and delivering laser energy to a site in a lumen of an animal or human body which includes a flexible tube for insertion into the lumen, a conduit housed within the tube, a fluid source for coup... | 11/12/1996 |
| 5571152 | Microminiature illuminator for administering photodynamic therapy A plurality of microminiature light sources (10, 10') are injected at a treatment site to effect photodynamic therapy (PDT). Each of the microminiature light source beads includes an LED chip (12), a rectifier chip (14), and a plurality of electromagnetic... | 11/05/1996 |
| 5558668 | Medical laser treatment system and method An improved medical laser treatment system and method generates a beam of laser energy at a predetermined wavelength; transmits the beam of laser energy along a path to a medical treatment site; delivers to the medical treatment site an insufflating gas w... | 09/24/1996 |
| 5549601 | Delivery of intracorporeal probes A system for delivering a probe into a body part to perform a therapeutic or diagnostic procedure therein which includes an elongated probe device which is disposed within a protective sheath and which has a rotary drive unit connected to its proximal ext... | 08/27/1996 |
| 5545160 | Computer oriented stereotactic microneurological surgery An operating microscope has extensions on which are mounted neon lasers which focus beams through the focal point on the optical axis of the operating microscope. The beams produce two spots on an object when the object is away from the focal point, and a... | 08/13/1996 |
| 5527308 | Laser illuminator An illuminator including a differential optical radiator and a laser fiber disposed within the differential optical radiator. The differential optical radiator includes a first region that has a first level of reflectivity and a first level of transmissiv... | 06/18/1996 |
| 5520680 | Method for removing an animal organ by facilitating the atrophy thereof A method is provided for facilitating the atrophying of a tonsil or adenoid ("organ") to cause the gradual removal thereof from the patient. A laser is positioned adjacent the organ, the wavelength for the laser being in the 700 nm to 1100 nm range and ha... | 05/28/1996 |
| 5514127 | Apparatus for irradiating an area with a controllable pattern of light Apparatus for irradiating an area with a controllable pattern of light comprises a laser (2), which illuminates a spatial light modulator (6). The resulting spatially modulated light then passes to a cholesteric liquid crystal polymer beam-splitter (10) w... | 05/07/1996 |
| 5509917 | Lensed caps for radial medical laser delivery devices The device of the present invention pertains to a modified medical laser delivery device with sideways directed radiation that can produce high power densities at a distance further away from the fiber, thereby enabling non-contact ablating procedures to ... | 04/23/1996 |
| 5496308 | Radial laser delivery device The present invention involves a medical delivery system capable of emitting radiation with wavelengths between 190 nm and 16 um in one or more essentially directed, predetermined patterns. It includes at least one solid optical fiber, having a core and a... | 03/05/1996 |
| 5472406 | Apparatus and method for vasodilation A method and apparatus for dilating blood vessels in vasospasm through the use of high frequency wave, e.g., hydraulic or acoustic waves. The invention is suitable to treat any vasospasm, including any vasospasm intractable to medication, including cerebr... | 12/05/1995 |
| 5458595 | Vaginal speculum for photodynamic therapy and method of using the same An improved vaginal speculum for photodynamic therapy of intraepithelial tissue and in particular vaginal, cervical and vulvar neoplasia utilizes a precisely and accurately positionable optic fiber through which a predetermined dose of light in the range ... | 10/17/1995 |
| 5454807 | Medical treatment of deeply seated tissue using optical radiation The invention features a treatment method of deeply seated tissue and a corresponding medical instrument. The medical instrument includes a light guide adapted to transmit light energy of a selected wavelength from a light source to a selected volume of t... | 10/03/1995 |
| 5451221 | Endoscopic light delivery system An endoscopic light delivery system for delivering light to tissue includes a laser source for generating light. Fiber optics are optically coupled to the laser source for conveying the light generated by the laser source. A focusing surface is formed at ... | 09/19/1995 |
| 5441739 | Reduced and controlled surface binding of biologically active molecules Articles of manufacture which are adapted for use in contact with one or more biologically active agents are coated with a glassy carbohydrate film. The glassy film provides a reduced surface energy coating which exhibits a reduced degree of binding with ... | 08/15/1995 |
| 5425355 | Energy discharging surgical probe and surgical process having distal energy application without concomitant proximal movement This invention relates to a surgical instrument. Specifically, a surgical instrument is disclosed which dispenses incising, transecting, or tissue treating energy to a body site or part undergoing an operation or treatment where energy is discharged from ... | 06/20/1995 |
| 5423801 | Laser corneal surgery A method and system for reshaping Bowman's membrane, which lies directly below the anterior epithelial surface of the cornea, to provide correction of refractive errors in the eye by photoablation of selective regions of the Bowman's membrane without subs... | 06/13/1995 |
| 5423804 | Process for transecting remote constrained surgical locations such as the transverse carpal ligament This invention relates to a process for incising the transverse carpal ligament in the hand for relief of the symptoms of carpal tunnel syndrome. More specifically, a process is disclosed in which incising energy, preferably laser energy, is introduced fr... | 06/13/1995 |
| 5417653 | Method for minimizing restenosis Disclosed is a light angioplasty catheter and method for exposing the interior of a body lumen to a source of light. Light exposure may be accomplished prior to, during, or following conventional balloon dilatation. Also disclosed is a method and apparatu... | 05/23/1995 |
| 5411500 | Portable arthroscope with disposable probe A hand-held portable arthroscope has a housing and a disposable cap removably attached to the distal end of the housing. A probe which includes a fiber optic image guide and a plurality of optical illuminating fibers is mounted on the cap, and is insertab... | 05/02/1995 |
| 5377676 | Method for determining the biodistribution of substances using fluorescence spectroscopy A method is disclosed for determining the biodistribution of substances using fluorescence spectroscopy. A photosensitizing agent or other intrinsically fluorescent agent, or an agent labeled with an extrinsic fluorophor is administered to a subject. A fi... | 01/03/1995 |
