Patents by Inventor Francis O. Chan

Francis O. Chan 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).

  • Intramedullary nail distal targeting device
    Patent number: 8273092
    Abstract: The present invention relates to an intramedullary nail distal targeting device (20) adapted to be installed to an external jig system (A) having a proximal attachment (B) to support an intramedullary nail (C) thereon and an extension arm (D) secured to the proximal attachment (B), the nail distal targeting device including a drill guide (21) being defined by an abbreviated cylindrical body (23) having at least a pair of guide slots (24, 24?) each of the guide slots (24, 24?) having a scalloped inner surface (25), an attaching mechanism (22) being provided at the upper portion of the drill guide (21), the attaching mechanism (22) secured in a rotating and sliding manner to a distal end of the extension arm (D) and at least a pair of guide sleeves (10, 10?) being telescopically fitted correspondingly into the slots (24, 24?) of the drill guide (21), each of the guide sleeves (10, 10?) having a scalloped outer surface to correspondingly fit into the guide slots (24, 24?), each of the guide sleeves (10, 10?) bei
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: September 25, 2012
    Assignee: Orthopaedic International, Inc.
    Inventors: Jude L. Sasing, Aristedes C. Dayanghirang, Dennis Alphonse Yap, Ramon B. Gustilo, Francis O. Chan, Roberto R. Fresnido, Jr.
  • Intramedullary Nail Distal Targeting Device
    Publication number: 20090069816
    Abstract: The present invention relates to an intramedullary nail distal targeting device (20) adapted to be installed to an external jig system (A) having a proximal attachment (B) to support an intramedullary nail (C) thereon and an extension arm (D) secured to the proximal attachment (B), the nail distal targeting device including a drill guide (21) being defined by an abbreviated cylindrical body (23) having at least a pair of guide slots (24, 24?) each of the guide slots (24, 24?) having a scalloped inner surface (25), an attaching mechanism (22) being provided at the upper portion of the drill guide (21), the attaching mechanism (22) secured in a rotating and sliding manner to a distal end of the extension arm (D) and at least a pair of guide sleeves (10, 10?) being telescopically fitted correspondingly into the slots (24, 24?) of the drill guide (21), each of the guide sleeves (10, 10?) having a scalloped outer surface to correspondingly fit into the guide slots (24, 24?), each of the guide sleeves (10, 10?) bei
    Type: Application
    Filed: November 21, 2005
    Publication date: March 12, 2009
    Inventors: Jude L. Sasing, Aristedes C. Dayanghirang, Dennis Alphonse Yap, Ramon B. Gustilo, Francis O. Chan, Roberto R. Fresnido