Patents by Inventor David Myung

David Myung 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: 20200239678
    Abstract: Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or composition gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.
    Type: Application
    Filed: March 6, 2020
    Publication date: July 30, 2020
    Inventors: David MYUNG, Michael J. JAASMA, Lampros KOURTIS, Curtis W. FRANK
  • Publication number: 20200113732
    Abstract: This invention relates to a device and method for the vacuum-assisted delivery of drugs through an intact surface membrane of an organ.
    Type: Application
    Filed: September 30, 2019
    Publication date: April 16, 2020
    Applicant: Vacu-Site Medical, Inc.
    Inventors: Donald J. Eaton, Edward E. Manche, David Myung, Anthony J. Abbate
  • Publication number: 20200087440
    Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 19, 2020
    Inventors: Lampros KOURTIS, David MYUNG, Daniel CHANG, Bing YU, Timothy SUN, Michael J. JAASMA, Vernon HARTDEGEN
  • Patent number: 10561315
    Abstract: Modular lens adapter system are provided for use with a hand held computer device having a camera for mobile ophthalmoscopy. The modular lens adapter systems include an anterior adapter and a posterior adapter configured to removably engage with a hand held computer device. The anterior adapter can include a variable intensity light source, a clamp, and a movable macro lens. The posterior adapter can include a hand held computer device mount, a lens mount, and a telescoping arm with a first end and a second end with the first end configured to removably engage with the mount and the second end configured to contact the lens mount. Methods are also provided for using the systems to obtain an image of an anterior portion of the patient's eye and a posterior portion of the patient's eye.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: February 18, 2020
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: David Myung, Robert Tienhan Chang, Alexandre Jais
  • Publication number: 20200038484
    Abstract: Bioconjugation methods for promoting wound healing are disclosed. In particular, the invention relates to the in situ application of non-photochemical crosslinking techniques such as copper-free click chemistry using strain-promoted azide-alkyne cycloaddition (SPAAC) or multi-functional succinimidyl esters as a therapeutic delivery modality for biomolecules and stem cells to enhance wound healing.
    Type: Application
    Filed: February 5, 2018
    Publication date: February 6, 2020
    Inventors: David Myung, Gabriella Fernandes-Cunha, Hyung Jong Lee
  • Publication number: 20200017676
    Abstract: Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape a bone.
    Type: Application
    Filed: September 23, 2019
    Publication date: January 16, 2020
    Inventors: David MYUNG, Michael J. JAASMA, Lampros KOURTIS, Jeffrey G. ROBERTS, Vernon HARTDEGEN
  • Publication number: 20200008673
    Abstract: An adapter configured to engage with a hand held computer device to allow a camera on the hand held computer device to take a high quality image of an eye. The adapter allows for high quality imaging of the anterior portion of the eye and the posterior portion of the eye. The adapter can include additional modular components such as an optical pathway enclosure and a beamsplitter module.
    Type: Application
    Filed: January 25, 2019
    Publication date: January 9, 2020
    Inventors: David MYUNG, David Nicholas POLKINHORNE, Benjamin Scott ARNETT, Gary B. HULME, Iraklis KOURTIS
  • Patent number: 10519270
    Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: December 31, 2019
    Assignee: Hyalex Orthopaedics, Inc.
    Inventors: Lampros Kourtis, David Myung, Daniel Chang, Bing Yu, Timothy Sun, Michael J. Jaasma, Vernon Hartdegen
  • Patent number: 10457803
    Abstract: Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: October 29, 2019
    Assignee: Hyalex Orthopaedics, Inc.
    Inventors: David Myung, Michael J. Jaasma, Lampros Kourtis, Jeffrey G. Roberts, Vernon Hartdegen
  • Patent number: 10426659
    Abstract: This invention relates to a device and method for the vacuum-assisted delivery of drugs through an intact surface membrane of an organ.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: October 1, 2019
    Assignee: Vacu-Site Medical, Inc.
    Inventors: David Myung, Edward E. Manche, Donald J. Eaton, Anthony J. Abbate
  • Publication number: 20190269325
    Abstract: A modular lens adapter system or kit is provided for mobile anterior and posterior segment ophthalmoscopy. Equipped with various lens adapter modules, respective lenses and a mobile imaging device, a user is provided with tools for various mobile ophthalmoscopy imaging applications. Eye care practitioners can use their existing lenses to customize the modular lens adapter system in a cost-effective way, which allows for mobile and remote capture, viewing, and utilization of clinical images. The various modules are also adaptable to nearly any type of phone or tablet regardless of its dimensions or presence of a protective case. The invention also addresses the need for fewer, smaller, less expensive, and easier to use ophthalmic imaging equipment, which is further important in enabling a broad base of users.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 5, 2019
    Inventors: David MYUNG, Robert Tienhan CHANG, Lingmin HE, Alex NUGENT, Huynh P. VAN, Ira G. WONG, Alexandre JAIS, Mark BLUMENKRANZ
  • Patent number: 10188294
    Abstract: An adapter configured to engage with a hand held computer device to allow a camera on the hand held computer device to take a high quality image of an eye. The adapter allows for high quality imaging of the anterior portion of the eye and the posterior portion of the eye. The adapter can include additional modular components such as an optical pathway enclosure and a beamsplitter module.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: January 29, 2019
    Assignee: Verana Health, Inc.
    Inventors: David Myung, David Nicholas Polkinhorne, Benjamin Scott Arnett, Gary B. Hulme, Iraklis Kourtis
  • Publication number: 20190022220
    Abstract: Compositions and methods for repairing or regenerating damaged tissue are disclosed. In particular, the invention relates to methods of anchoring biomolecules and/or cells to tissues in order to immobilize and concentrate therapeutic factors that promote tissue regeneration at or under the surface of damaged tissue.
    Type: Application
    Filed: January 29, 2017
    Publication date: January 24, 2019
    Inventors: Jeffrey Goldberg, David Myung
  • Publication number: 20190015211
    Abstract: An arthroplasty device is provided having an interpenetrating polymer network (IPN) hydrogel that is strain-hardened by swelling and adapted to be held in place in a joint by conforming to a bone geometry. The strain-hardened IPN hydrogel is based on two different networks: (1) a non-silicone network of preformed hydrophilic non-ionic telechelic macromonomers chemically cross-linked by polymerization of its end-groups, and (2) a non-silicone network of ionizable monomers. The second network was polymerized and chemically cross-linked in the presence of the first network and has formed physical cross-links with the first network. Within the IPN, the degree of chemical cross-linking in the second network is less than in the first network. An aqueous salt solution (neutral pH) is used to ionize and swell the second network. The swelling of the second network is constrained by the first network resulting in an increase in effective physical cross-links within the IPN.
    Type: Application
    Filed: May 16, 2018
    Publication date: January 17, 2019
    Applicant: The Board of Trustees of The Leland Stanford Junior University
    Inventors: David MYUNG, Lampros KOURTIS, Laura HARTMANN, Curtis W. FRANK, Stuart B. GOODMAN, Dennis R. CARTER
  • Patent number: 10092182
    Abstract: A modular lens adapter system or kit is provided for mobile anterior and posterior segment ophthalmoscopy. Equipped with various lens adapter modules, respective lenses and a mobile imaging device, a user is provided with tools for various mobile ophthalmoscopy imaging applications. Eye care practitioners can use their existing lenses to customize the modular lens adapter system in a cost-effective way, which allows for mobile and remote capture, viewing, and utilization of clinical images. The various modules are also adaptable to nearly any type of phone or tablet regardless of its dimensions or presence of a protective case. The invention also addresses the need for fewer, smaller, less expensive, and easier to use ophthalmic imaging equipment, which is further important in enabling a broad base of users.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: October 9, 2018
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: David Myung, Robert Tienhan Chang, Lingmin He, Alex Nugent, Huynh P. Van, Ira G. Wong, Alexandre Jais, Mark Blumenkranz
  • Publication number: 20180236136
    Abstract: IPN compositions and methods of making the same are provided. The IPN compositions can include a water swellable, water permeable IPN or semi-IPN member with a first polymer network including a hydrophobic thermoset or thermoplastic polymer, a second polymer network including a non-ionic polymer, and a third polymer network including an ionic polymer containing sulfonic acid functional groups that are otherwise difficult to form composites with hydrophobic polymers. The IPN compositions can be used in orthopedic implants or in mechanical applications as a bearing material.
    Type: Application
    Filed: August 10, 2016
    Publication date: August 23, 2018
    Inventors: Lampros KOURTIS, David MYUNG, Iraklis KOURTIS
  • Publication number: 20180116509
    Abstract: Modular lens adapter system are provided for use with a hand held computer device having a camera for mobile ophthalmoscopy. The modular lens adapter systems include an anterior adapter and a posterior adapter configured to removably engage with a hand held computer device. The anterior adapter can include a variable intensity light source, a clamp, and a movable macro lens. The posterior adapter can include a hand held computer device mount, a lens mount, and a telescoping arm with a first end and a second end with the first end configured to removably engage with the mount and the second end configured to contact the lens mount. Methods are also provided for using the systems to obtain an image of an anterior portion of the patient's eye and a posterior portion of the patient's eye.
    Type: Application
    Filed: March 25, 2016
    Publication date: May 3, 2018
    Applicant: THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: David MYUNG, Robert Tienhan CHANG, Alexandre JAIS
  • Publication number: 20170348011
    Abstract: Described herein are methods and devices useful for reaming and shaping the surfaces of a joint in a mammalian body. The reaming and shaping devices and methods are particularly useful in preparation of a joint for a minimally invasive joint replacement or resurfacing, though they may be used as part of any appropriate arthroplasty procedure.
    Type: Application
    Filed: February 24, 2017
    Publication date: December 7, 2017
    Inventors: Lampros Kourtis, David Myung, Michael J. Jaasma
  • Publication number: 20170327624
    Abstract: Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.
    Type: Application
    Filed: August 3, 2017
    Publication date: November 16, 2017
    Inventors: Lampros KOURTIS, David MYUNG, Daniel CHANG, Bing YU, Timothy SUN, Michael J. JAASMA, Vernon HARTDEGEN
  • Publication number: 20170280996
    Abstract: A modular lens adapter system or kit is provided for mobile anterior and posterior segment ophthalmoscopy. Equipped with various lens adapter modules, respective lenses and a mobile imaging device, a user is provided with tools for various mobile ophthalmoscopy imaging applications. Eye care practitioners can use their existing lenses to customize the modular lens adapter system in a cost-effective way, which allows for mobile and remote capture, viewing, and utilization of clinical images. The various modules are also adaptable to nearly any type of phone or tablet regardless of its dimensions or presence of a protective case. The invention also addresses the need for fewer, smaller, less expensive, and easier to use ophthalmic imaging equipment, which is further important in enabling a broad base of users.
    Type: Application
    Filed: June 14, 2017
    Publication date: October 5, 2017
    Inventors: David MYUNG, Robert Tienhan CHANG, Lingmin HE, Alex NUGENT, Huynh P. VAN, Ira G. WONG, Alexandre JAIS, Mark BLUMENKRANZ