Patents by Inventor Alexander Lebedev

Alexander Lebedev has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090318852
    Abstract: A waveguide couples an acoustic source (such as an ultrasound transducer) to a custom cosmetic product (e.g., a liquid or gel-based skin care product) applied to the skin. In one exemplary embodiment, a distal surface of the waveguide is placed in contact with a relatively thin layer of skin care product that has been applied to the skin. Alternatively, the thin layer can be applied to the distal face of the waveguide, and then the waveguide placed on the skin. The custom cosmetic product has been formulated such that when ultrasound energy is directed into the custom cosmetic product via the waveguide, bubbles included or formed in the custom cosmetic product oscillate, and increase the permeability of the skin to active beneficial agents included in the custom cosmetic product.
    Type: Application
    Filed: June 18, 2009
    Publication date: December 24, 2009
    Applicant: JeNu Biosciences, Inc.
    Inventors: Justin Reed, Alexander Lebedev, Michael Lau, George Barrett, Irena Lebedev
  • Publication number: 20090118729
    Abstract: A catheter for insertion into and treatment of tissue in a patient comprises a radio frequency (RF) electrode having an elongated body that conducts electrical RF energy to a conductive tip. An insulating sleeve surrounding the elongated body prevents leakage of RF energy from the elongated body when the catheter is being inserted into the tissue of the patient. In a first mode of operation, the conductive tip is exposed outside the insulating sleeve and the RF electrode delivers first RF energy capable of producing sparks that erode the tissue of the patient and create a tunnel through which the catheter can advance into the tissue of the patient. In a second mode of operation, the insulating sleeve is retracted to expose a portion of the RF electrode. Second RF energy is delivered to the volume of tissue around the catheter to necrotize the tissue by heating without producing sparks.
    Type: Application
    Filed: November 7, 2007
    Publication date: May 7, 2009
    Applicant: MIRABILIS MEDICA INC.
    Inventors: David C. Auth, Alexander Lebedev, Michael J. Connolly
  • Publication number: 20090118725
    Abstract: A catheter for insertion into and treatment of tissue in a patient comprises a radio frequency (RF) electrode having an elongated body that conducts electrical RF energy to a conductive tip. An insulating sleeve surrounds the elongated body. In a first mode of operation, the conductive tip is exposed outside the insulating sleeve and the RF electrode delivers RF energy that erodes the tissue of the patient and creates a tunnel through which the catheter can advance into the tissue of the patient. In a second mode of operation, the insulating sleeve and/or the RF electrode is retracted and a second treatment apparatus treats the tissue.
    Type: Application
    Filed: April 30, 2008
    Publication date: May 7, 2009
    Applicant: MIRABILIS MEDICA, INC.
    Inventors: David C. Auth, Alexander Lebedev, Michael J. Connolly
  • Publication number: 20090088636
    Abstract: An apparatus for delivering HIFU energy may include a probe with a plurality of leaves that provide a bowl-shaped HIFU therapy transducer. In once case, pins may slide within grooves in the leaves to deploy the leaves. In another case, spines may be configured to slide in a channel defined in each leaf. In other cases, a spring or a shape memory alloy may be used to deploy the leaves. In another implementation, a probe may be fitted with a flexible material that couples the HIFU therapy transducer to the probe and allows the transducer to be drawn to the side of the probe for insertion. In another implementation, a probe may have one or more inflatable bladders that form the HIFU therapy transducer. In yet another implementation, a probe may have an imaging component and a HIFU therapy transducer disposed thereon that rotate, as a unit, about a hinge.
    Type: Application
    Filed: December 11, 2008
    Publication date: April 2, 2009
    Applicant: MIRABILIS MEDICA, INC.
    Inventors: Michael Lau, Shahram Vaezy, Alexander Lebedev, Michael J. Connolly
  • Publication number: 20070239011
    Abstract: An apparatus for delivering HIFU energy may include a probe with a plurality of leaves that provide a bowl-shaped HIFU therapy transducer. In once case, pins may slide within grooves in the leaves to deploy the leaves. In another case, spines may be configured to slide in a channel defined in each leaf. In other cases, a spring or a shape memory alloy may be used to deploy the leaves. In another implementation, a probe may be fitted with a flexible material that couples the HIFU therapy transducer to the probe and allows the transducer to be drawn to the side of the probe for insertion. In another implementation, a probe may have one or more inflatable bladders that form the HIFU therapy transducer. In yet another implementation, a probe may have an imaging component and a HIFU therapy transducer disposed thereon that rotate, as a unit, about a hinge.
    Type: Application
    Filed: January 16, 2007
    Publication date: October 11, 2007
    Applicant: Mirabilis Medica, Inc.
    Inventors: Michael Lau, Shahram Vaezy, Alexander Lebedev, Michael J. Connolly
  • Publication number: 20070232913
    Abstract: A probe having a high intensity focused ultrasound (HIFU) transducer is positioned in a female patient. The HIFU transducer is deployed within the vagina of the patient outside of the cervix and uterine cavity and is configured to direct HIFU energy to a treatment site within the uterus of the patient. An imaging component positioned relative to the patient images a portion of the patient's uterus that includes the treatment site to help guide the delivery of the HIFU energy to the treatment site. A liquid medium may be infused into the uterine cavity of the patient where it is maintained during imaging and delivery of the HIFU therapy. The HIFU transducer produces a thermal heating of tissue at a focus within the treatment site to initiate necrosis of the tissue. The location of the focus is controlled in accordance with an image obtained by the imaging component.
    Type: Application
    Filed: April 13, 2007
    Publication date: October 4, 2007
    Applicant: Mirabilis Medica Inc.
    Inventors: Michael Lau, Nelson Teng, Shahram Vaezy, Alexander Lebedev, Michael Lau, Michael Connolly
  • Patent number: 6579359
    Abstract: A method is disclosed for fabricating monocrystal material with the bandgap width exceeding 1.8 eV. The method comprises the steps of processing a monocrystal semiconductor wafer to develop a porous layer through electrolytic treatment of the wafer at direct current under UV-illumination, and epitaxially growing a monocrystal layer on said porous layer. Growth on porous layer produces semiconductor material with reduced stress and better characteristics than with the same material grown on non-porous layers and substrates. Also, semiconductor device structure comprising at least one layer of porous group III material is included.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: June 17, 2003
    Assignee: Technologies and Devices International, Inc.
    Inventors: Marina Mynbaeva, Denis Tsvetkov, Vladimir Dmitriev, Alexander Lebedev, Nataliya Savkina, Alexander Syrkin, Stephen Saddow, Karim Mynbaev