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| Number | Title | Issue Date |
| 4566438 | Fiber-optic stylet for needle tip localization A fiber-optic stylet is provided for use with a surgical or diagnostic type needle. The stylet comprises an elongated flexible or rigid casing which is adapted to be inserted into the body of a human or animal. It also includes at least one transmitting l... | 01/28/1986 |
| 4543477 | Safety device for detecting trouble in optical transmission fibers A safety device for detecting troubles in an optical transmission fiber of a medical laser application to prevent accidents characterized by using either a laser light reflector from the exit end surface of the fiber or a secondary light. When trouble is ... | 09/24/1985 |
| 4539987 | Apparatus for coagulation by heat radiation In a radiation coagulator having an electric incandescent lamp, in particular a tungsten-halogen low-voltage lamp, as radiation source, and a tissue contact element of a crystalline dielectric material transmissive to the radiation, forming a contact surf... | 09/10/1985 |
| 4538609 | Manipulator for laser knife A laser knife is provided with a mechanism by which a plurality of specialized hand pieces may be detachably coupled to the front end portion of the optical fiber light path for the laser.... | 09/03/1985 |
| 4532400 | Laser irradiating apparatus A laser irradiating apparatus comprising: a plurality of laser sources for outputting a plurality of laser beams each having a different wave-length; a guide beam source for outputting a visible guide beam; mixing means for coaxially mixing one or more of the laser... | 07/30/1985 |
| 4526170 | Detachable laser optical fiber assembly and method of adjustment A detachable optical fiber assembly for transmitting a laser beam from a laser source to a surgical laser instrument such as a slit lamp or operating microscope. The assembly comprises an optical fiber enclosed within a protective casing with connectors a... | 07/02/1985 |
| 4517973 | Laser scalpel A laser scalpel in which optical fiber is used as the optical wave guide and the optical fiber is guided from a laser main body housing a laser source therein to the areas to be irradiated along a shore means provided on the laser main body is disclosed. ... | 05/21/1985 |
| 4517974 | Disposable hand piece for surgical lasers A disposable hand piece for attachment at the end of a laser catheter assembly. The hand piece is longitudinally tapered and is generally wedge-shaped in its width so as to form a tool which can be comfortable grasped by a surgeon for purposes of more acc... | 05/21/1985 |
| 4503853 | Contra angle handpiece for dental treatment by laser beams A contra angle handpiece of this invention employs a laser beam transmitting glass fiber for dental treatment in such a manner that the transmission of the beam is carried out not by a reflecting mirror, but by a glass fiber centripetally held with respec... | 03/12/1985 |
| 4459986 | Surgical laser system An amount of energy of an output laser beam emanating from a distal end of a flexible light guide is measured by arranging a partial reflecting mirror having a reflection factor of about 99% and a transmissivity of about 1% at the last rotating nod portio... | 07/17/1984 |
| 4421382 | Fiber retaining device for power laser A retaining device having a cylindrical centering portion and a conical chucking portion for holding a bundle of optical fibers for use with a medical laser scalpel.... | 12/20/1983 |
| 4418688 | Microcatheter having directable laser and expandable walls A fiber optic microcatheter device is provided with a conduit directing system to tilt the distal end of an internal conduit with respect to an external tube held in a lumen by expanding the diameter of an elastic zone on the external tube. Within the int... | 12/06/1983 |
| 4408602 | Laser knife device A laser knife with which a laser beam having at least two different wavelengths to thereby eliminate undesirable effects on body tissue, blood and body fluids. First and second laser sources provide first and second operating light beams of different wave... | 10/11/1983 |
| 4402569 | Optical fibre light guides for use with lasers A laser photocoagulator 10, comprises a fibre optic guide 13 one end of which is accommodated by an endoscope 14 and the other end of which has a coupling 18 for connection to a laser 11 and a gas supply 12. Launch optics 32 are accurately located in coup... | 09/06/1983 |
| 4398790 | Optical fiber device for the transportation and focalization of laser radiation An optical fiber device for the transportation and focalization of laser radiation, wherein the output terminal of the device presents a convex surface which may be spherical.... | 08/16/1983 |
| 4388924 | Method for laser depilation The roots of human hairs of a patient are devitalized using high intensity, short duration pulses of light having wavelengths with respect to which the skin of the patient is non-absorbative and the hair of the patient is relatively absorbative. A narrow,... | 06/21/1983 |
| 4385832 | Laser power transmitting optical fiber damage detecting device A device for detecting damage in an optical fiber for transmitting high power laser beams. The optical fiber has an incident end face and an emergent end face with the emergent end face being coated with either a transmission increasing or a reflection in... | 05/31/1983 |
| 4383729 | Light transmitting system comprising beam dividing and compositing means A laser beam emitted from a laser is divided into a plurality of beams and the divided beams are introduced into respective fiberoptics. Each beam is transmitted through the corresponding fiberoptic and projected from the exit face of the fiberoptic, wher... | 05/17/1983 |
| 4316467 | Control for laser hemangioma treatment system A laser for directing a nominally 5 micron wavelength beam at a hemangioma or other variegated lesion. A fiber optic bundle for intercepting radiation reflected from the lesion at an intensity corresponding with the color intensity of the region at which ... | 02/23/1982 |
| 4313431 | Endoscopic apparatus with a laser light conductor The present endoscopic apparatus with a laser light conductor is used for irradiating bladder tumors in man with a laser light beam. For this purpose a jacketed light conducting fiber is arranged in parallel to an optical viewing device. A rigid bushing i... | 02/02/1982 |
| 4273127 | Method for cutting and coagulating tissue Laser radiation is coupled to an optical instrument having a relatively narrow working edge from which the radiation is emitted in a relatively narrow zone of intense radiation leakage. The working edge is placed in contact with vascularized tissues, and ... | 06/16/1981 |
| 4273109 | Fiber optic light delivery apparatus and medical instrument utilizing same Disclosed is a fiber optic fiber transmission line which transmits light a distance from its source and is terminated, at its light delivery end, by a second fiber optic fiber of a larger diameter than the first fiber. An interlocking connector keeps the ... | 06/16/1981 |
| 4233493 | Apparatus for applying intense light radiation to a limited area The apparatus, used for example to stop bleeding by heat coagulation during surgery, comprises a high power incandescent lamp emitting intense radiation high in infrared content enclosed in a housing having a light guide means, such as a solid light pipe,... | 11/11/1980 |
| 4170997 | Medical laser instrument for transmitting infrared laser energy to a selected part of the body There is disclosed a laser instrument which uses an infrared fiber optical waveguide to transmit a high power carbon monoxide or carbon dioxide laser beam for treating a selected part of the body. In one important application of the instrument, the laser ... | 10/16/1979 |
| 4126136 | Photocoagulating scalpel system A Photocoagulating scalpel system including a scalpel having a sharp, transparent blade for forming an incision, and a laser optically coupled to the blade for coagulating blood adjacent the incision. Laser radiation is transported to the blade through a ... | 11/21/1978 |
| 4072147 | Radiation endoscope A radiation endoscope is described wherein a laser or other radiation source is employed for therapeutic purposes. Radiation energy may be accurately directed at a target in a body cavity with the use of a marking spot whose light energy is passed along a... | 02/07/1978 |
