利索-全球专利检索

  1. Login
  2. Sign Up

Search Results

57 records (took 0.04 seconds)

    Spectroscopy system with laser and pulsed output beam
    3.
    发明授权
    Spectroscopy system with laser and pulsed output beam 有权

    公开(公告)号：US10466102B2

    公开(公告)日：2019-11-05

    申请号：US16028473

    申请日：2018-07-06

    Applicant: OMNI MEDSCI, INC.

    Inventor： Mohammed N. Islam

    IPC: G01J3/10 ,  G02F1/365 ,  H01S5/00 ,  H01S3/067 ,  H01S3/30 ,  G01B9/02 ,  G01J3/02 ,  H01S5/10 ,  H01S5/14 ,  G01J3/42 ,  G02B6/293 ,  H01S3/094 ,  H01S5/40 ,  G02F1/35 ,  H01S3/102

    Abstract: A spectroscopy system includes a light source having an input light source, including semiconductor diodes generating an input beam with a wavelength shorter than 2.5 microns. Cladding-pumped fiber amplifiers receive the input beam and form an amplified optical beam having a spectral width. A nonlinear element broadens the spectral width of the amplified optical beam to 100 nm or more through a nonlinear effect forming an output beam that is pulsed. A filter is coupled to at least one of a lens and a mirror that receives the output beam and delivers the filtered output beam to a sample. A detection system includes detectors configured to receive the output beam reflected or transmitted from the sample. The detection system is configured to use a lock-in technique with the pulsed output beam and the spectroscopy system is adapted to detect chemicals in the sample.

    Laser-based method and system for selectively processing target tissue material in a patient and optical catheter assembly for use therein
    4.
    发明授权
    Laser-based method and system for selectively processing target tissue material in a patient and optical catheter assembly for use therein 有权

    公开(公告)号：US10271904B2

    公开(公告)日：2019-04-30

    申请号：US14719262

    申请日：2015-05-21

    Applicant: OMNI MEDSCI, INC.

    Inventor： Mohammed N. Islam

    IPC: A61B18/20 ,  A61F9/008 ,  A61B18/22 ,  H01S3/00 ,  H01S3/067 ,  H01S3/094 ,  H01S3/16 ,  H01S3/30 ,  A61B18/00

    Abstract: A system and method for selectively processing target tissue material in a patient include a laser subsystem for generating an output laser beam and a catheter assembly including an optical fiber for guiding the output laser beam. The beam has a predetermined selected wavelength between 900 nm and 2600 nm. The catheter assembly is sized to extend through an opening in a first part of the patient to a tissue material processing site within the patient. A beam delivery and focusing subsystem includes a focal distance, which may be adjustable, that positions the beam into at least one focused spot on the target tissue material disposed within a second part of the patient for a duration sufficient to allow laser energy to be absorbed by the target tissue material and converted to heat to produce a desired physical change in the target tissue material without causing undesirable changes to adjacent non-target material.

    Wearable devices using near-infrared light sources
    5.
    发明授权
    Wearable devices using near-infrared light sources 有权

    公开(公告)号：US10098546B2

    公开(公告)日：2018-10-16

    申请号：US15860065

    申请日：2018-01-02

    Applicant: OMNI MEDSCI, INC.

    Inventor： Mohammed N. Islam

    IPC: G01J3/00 ,  A61B5/00 ,  G01N33/49 ,  G01N33/44 ,  G01N33/15 ,  G01N33/02 ,  G01N21/88 ,  G01N21/3563 ,  G01N21/359 ,  G01J3/453 ,  A61B5/145 ,  A61B5/1455 ,  G01N21/39 ,  G01M3/38 ,  G01J3/28 ,  G01J3/10 ,  G01J3/18 ,  G01J3/14 ,  H01S3/30

    Abstract: A wearable device includes a measurement device having light emitting diodes (LEDs) measuring a physiological parameter. The measurement device modulates the LEDs to generate an optical beam having a near-infrared wavelength between 700-2500 nanometers. Lenses receive and deliver the optical beam to tissue, which reflects the optical beam to a receiver having spatially separated detectors coupled to analog-to-digital converters configured to generate receiver outputs. The receiver captures light while the LEDs are off, and reflected light from the tissue while the LEDs are on, to generate first and second signals, respectively. Signal-to-noise ratio is improved by differencing the first and second signals and by differencing the receiver outputs. The measurement device further improves signal-to-noise ratio of the reflected optical beam by increasing light intensity of the LEDs relative to an initial light intensity. The measurement device generates an output signal representing a non-invasive measurement on blood contained within the tissue.

    FOCUSED NEAR-INFRARED LASERS FOR NON-INVASIVE VARICOSE VEINS AND OTHER THERMAL COAGULATION OR OCCLUSION PROCEDURES
    7.
    发明申请
    FOCUSED NEAR-INFRARED LASERS FOR NON-INVASIVE VARICOSE VEINS AND OTHER THERMAL COAGULATION OR OCCLUSION PROCEDURES 审中-公开
    聚焦的近红外激光器用于非入侵的VARICOSE VEINS和其他热凝聚或消融程序

    公开(公告)号：US20140188094A1

    公开(公告)日：2014-07-03

    申请号：US14108974

    申请日：2013-12-17

    Applicant: OMNI MEDSCI, INC.

    Inventor： Mohammed N. Islam

    IPC: A61B18/20

    CPC classification number: A61B18/203 ,  A61B2018/00005 ,  A61B2018/00404 ,  A61B2018/00589 ,  A61B2018/20351 ,  A61B2018/20355 ,  A61B2018/207 ,  A61B2018/2211

    Abstract: Focused infrared light may be used in a non-invasive varicose vein treatment procedure with infrared light from a plurality of laser diodes that are combined in a multiplexer and coupled to a multi-mode fiber coupled to another fiber or fiber bundle that delivers the light to a lens/mirror assembly for application in the non-invasive procedures. The wavelength of light may be selected near 980 nm, 1210 nm, or 1720 nm to achieve a desired penetration depth and/or for absorption in a particular tissue type or water. Wavelengths near approximately 1100 nm, 1310 nm or 1650 nm may be advantageous for non-invasive procedures through the skin. The light may be focused with lower intensity on the skin or outer tissue to reduce collateral damage and higher intensity at a desired depth to induce thermal coagulation or occlusion at depths of about 1-2 mm or more. Surface cooling techniques, such as cryogenic sprays or contact cooling may be provided.

    Abstract translation: 聚焦的红外光可以用于非侵入性静脉曲张静脉治疗程序，其中红外光来自多个激光二极管，其组合在多路复用器中并且耦合到耦合到另一光纤或光纤束的多模光纤，所述另一光纤或光纤束将光传送到 用于非侵入性手术的镜片/镜组件。 光的波长可以选择在980nm，1210nm或1720nm附近，以获得期望的穿透深度和/或在特定组织类型或水中吸收。 约1100nm，1310nm或1650nm附近的波长对通过皮肤的非侵入性程序可能是有利的。 光可以以较低的强度聚焦在皮肤或外部组织上，以减少所需深度的附带损伤和较高强度，以在约1-2mm或更大的深度引起热凝结或闭塞。 可以提供表面冷却技术，例如低温喷雾或接触冷却。

    High signal-to-noise ratio light spectroscopy of tissue
    9.
    发明授权
    High signal-to-noise ratio light spectroscopy of tissue 有权

    公开(公告)号：US11109761B2

    公开(公告)日：2021-09-07

    申请号：US16004359

    申请日：2018-06-09

    Applicant: OMNI MEDSCI, INC.

    Inventor： Mohammed N. Islam

    IPC: A61B5/00

    Abstract: A diagnostic system includes a light source having semiconductor sources, optical amplifiers, and fibers configured to deliver a first optical beam to a nonlinear element configured to broaden a spectrum of the first optical beam to at least 10 nanometers through a nonlinear effect in the nonlinear element, wherein a broadened-spectrum output beam comprises a near-infrared wavelength between 600-1000 nanometers. An interface device, having a cap with fiber leads configured to couple to the light source and to a receiver having one or more detectors, delivers the output optical beam to a tissue sample. The receiver is configured to receive a diffuse spectroscopy output beam resulting from light diffusion of the output optical beam into a top two (2) millimeters of the sample and to process the diffuse spectroscopy output beam to generate an output signal that monitors absorption or scattering features of the tissue sample.

    Diagnostic system with broadband light source
    10.
    发明授权
    Diagnostic system with broadband light source 有权

    公开(公告)号：US10942064B2

    公开(公告)日：2021-03-09

    申请号：US16673592

    申请日：2019-11-04

    Applicant: OMNI MEDSCI, INC.

    Inventor： Mohammed N. Islam

    IPC: G01J3/10 ,  H01S3/067 ,  H01S3/30 ,  G01B9/02 ,  G01J3/02 ,  H01S5/00 ,  H01S5/10 ,  H01S5/14 ,  G01J3/42 ,  G02B6/293 ,  G02F1/365 ,  H01S3/094 ,  H01S5/40 ,  G02F1/35 ,  H01S3/102

    Abstract: A diagnostic system is provided with a plurality of semiconductor light emitters, each configured to generate an optical beam, and a beam combiner to generate a multiplexed optical beam. An optical fiber or waveguide communicates at least a portion of the multiplexed optical beam to form an output beam, wherein the output beam is pulsed. A filter, coupled to at least one of a lens and a mirror to receive at least a portion of the output beam, forms an output light. A beam splitter splits the light into a sample arm and a reference arm and directs at least a portion of the sample arm light to a sample. A detection system is configured to receive from the sample at least a portion of reflected sample light, to generate a sample detector output, and to use a lock-in technique with the pulsed output beam.

Patent Agency Ranking