Patents by Inventor Gregory R. Whittaker

Gregory R. Whittaker 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).

  • Patent number: 9314332
    Abstract: A method and apparatus for fixing a ligament in a bone tunnel by cross-pinning the ligament in the bone tunnel.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: April 19, 2016
    Assignee: DePuy Mitek, LLC
    Inventors: Daniel J. Mckernan, Gregory R. Whittaker
  • Publication number: 20160095692
    Abstract: Methods and devices are provided for fixing a ligament graft in a bone tunnel. In general, the methods and devices involve affixing a ligament graft within a bone tunnel using an adhesive. A fixation device can be inserted through the ligament graft in a direction transverse to an axis of the tunnel to maintain the ligament graft in contact with the adhesive. The fixation device can be removed when the adhesive is cured such that the ligament graft is fixed in the tunnel.
    Type: Application
    Filed: December 11, 2015
    Publication date: April 7, 2016
    Inventor: Gregory R. Whittaker
  • Publication number: 20160089231
    Abstract: A method of replacing an ACL with a graft. The method provides for the drilling bone tunnels in a femur and a tibia. A replacement graft is provided having first and second ends. A biodegradable composite screw is provided. The screw is made from a biodegradable polymer and a bioceramic or a bioglass. At least one end of the graft is secured in a bone tunnel using the biodegradable composite screw.
    Type: Application
    Filed: December 3, 2015
    Publication date: March 31, 2016
    Inventors: Lisa M. Donnelly, Yufu Li, Joan M. Sullivan, Gregory R. Whittaker, J. Jenny Yuan
  • Patent number: 9271715
    Abstract: Methods and devices are provided for anchoring suture to bone. In one exemplary embodiment, a cannulated suture anchor is provided and it includes a suture-engaging member formed therein and configured to receive a suture therearound such that trailing ends of the suture can extend through the suture anchor. The present invention also provides exemplary sutures and drivers that can be used with the various methods and devices disclosed herein, or with other methods and devices known in the art.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: March 1, 2016
    Assignee: DEPUY MITEK, LLC
    Inventors: Nathan Cauldwell, Jonathan Howe, Gregory R. Whittaker, Gary McAlister, Jose E. Lizardi
  • Patent number: 9241785
    Abstract: Methods and devices are provided for fixing a ligament graft in a bone tunnel. In general, the methods and devices involve affixing a ligament graft within a bone tunnel using an adhesive. A fixation device can be inserted through the ligament graft in a direction transverse to an axis of the tunnel to maintain the ligament graft in contact with the adhesive. The fixation device can be removed when the adhesive is cured such that the ligament graft is fixed in the tunnel.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: January 26, 2016
    Assignee: DePuy Mitek, LLC
    Inventor: Gregory R. Whittaker
  • Patent number: 9237888
    Abstract: Methods and devices are provided for anchoring suture to bone. In one embodiment, an elongate weave of fibers can be provided having a first portion with a first pick count and a second portion with a second pick count that is greater than the first pick count. The first portion can have a cross-section that deforms in response to a force that is applied thereto. The first portion can have a collapsible diameter and can have a bending stiffness that is lower than a bending stiffness of the second portion of the suture. The first portion can also have a first pattern that is different than a second pattern on the second portion of the suture. The first portion can be threaded into a suture anchor such that it can be doubled over upon itself. The present invention also provides exemplary sutures and drivers that can be used with the various methods and devices disclosed herein, or with other methods and devices known in the art.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: January 19, 2016
    Assignee: MEDOS INTERNATIONAL SARL
    Inventors: Mehmet Z. Sengun, Gary McAlister, Gregory R. Whittaker, David B. Spenciner
  • Patent number: 9226759
    Abstract: Low profile reamers and methods of use are provided which can, in general, allow a hole to be drilled in bone. In one embodiment, a low profile retractable bone reamer is provided having an elongate shaft with a cutting element disposed on a distal end of the elongate shaft that can be configured to drill a hole in bone. The elongate shaft and cutting element can have first and second longitudinally separated portions that are movably coupled to each other. The reamer can be configured to move between a retracted configuration, in which a the reamer has a reduced, low profile configuration, and a non-retracted configuration, in which both longitudinally separated portions of the cutting element can be positioned adjacent to one another to form a single cutting element.
    Type: Grant
    Filed: March 5, 2015
    Date of Patent: January 5, 2016
    Assignee: DePuy Mitek, LLC
    Inventors: Gregory R. Whittaker, Mehmet Z. Sengun, Kristian Dimatteo
  • Patent number: 9226816
    Abstract: A method of replacing an ACL with a graft. The method provides for the drilling bone tunnels in a femur and a tibia. A replacement graft is provided having first and second ends. A biodegradable composite screw is provided. The screw is made from a biodegradable polymer and a bioceramic or a bioglass. At least one end of the graft is secured in a bone tunnel using the biodegradable composite screw.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: January 5, 2016
    Assignee: DePuy Mitek, LLC
    Inventors: Lisa M. Donnelly, Yufu Li, Joan M. Sullivan, Gregory R. Whittaker, J. Jenny Yuan
  • Publication number: 20150374407
    Abstract: Various methods and devices are provided for accessing an interior surgical site using an access portal which can be inserted and removed with minimal tissue damage and which can form a seal with tissue while inserted. Generally, a device is provided having a rigid elongate surgical access member with a lumen extending therethrough that is configured to receive a surgical tool. The device can also include a flexible sleeve having a lumen extending therethrough that is configured to receive the elongate surgical access member. A substantially rigid collar is provided disposed adjacent to a proximal end of the flexible sleeve and having a lumen extending therethrough that is configured to receive the elongate surgical access member.
    Type: Application
    Filed: September 10, 2015
    Publication date: December 31, 2015
    Inventors: Gregory R. Whittaker, Gary McAlister, Jason Hamilton
  • Publication number: 20150297214
    Abstract: An adjustable anchor system provides for securing tissue to bone and includes an anchor with a collapsible suture loop affixed thereto and a tissue suture connected to the collapsible suture loop. After the tissue suture is loaded into the tissue and the anchor implanted into the bone the collapsible loop is collapsed to tension the tissue suture.
    Type: Application
    Filed: June 30, 2015
    Publication date: October 22, 2015
    Inventors: Joseph Hernandez, Mehmet Ziya Sengun, Gerome Miller, Gregory R. Whittaker, Gary B. McAlister
  • Patent number: 9161747
    Abstract: Various methods and devices are provided for accessing an interior surgical site using an access portal which can be inserted and removed with minimal tissue damage and which can form a seal with tissue while inserted. Generally, a device is provided having a rigid elongate surgical access member with a lumen extending therethrough that is configured to receive a surgical tool. The device can also include a flexible sleeve having a lumen extending therethrough that is configured to receive the elongate surgical access member. A substantially rigid collar is provided disposed adjacent to a proximal end of the flexible sleeve and having a lumen extending therethrough that is configured to receive the elongate surgical access member.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: October 20, 2015
    Assignee: DePuy Mitek, LLC
    Inventors: Gregory R. Whittaker, Gary McAlister, Jason Hamilton
  • Patent number: 9095331
    Abstract: An adjustable anchor system provides for securing tissue to bone and includes an anchor with a collapsible suture loop affixed thereto and a tissue suture connected to the collapsible suture loop. After the tissue suture is loaded into the tissue and the anchor implanted into the bone the collapsible loop is collapsed to tension the tissue suture.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: August 4, 2015
    Assignee: MEDOS INTERNATIONAL SÀRL
    Inventors: Joseph Hernandez, Mehmet Ziya Sengun, Gerome Miller, Gregory R. Whittaker, Gary B. McAlister
  • Publication number: 20150173778
    Abstract: Low profile reamers and methods of use are provided which can, in general, allow a hole to be drilled in bone. In one embodiment, a low profile retractable bone reamer is provided having an elongate shaft with a cutting element disposed on a distal end of the elongate shaft that can be configured to drill a hole in bone. The elongate shaft and cutting element can have first and second longitudinally separated portions that are movably coupled to each other. The reamer can be configured to move between a retracted configuration, in which a the reamer has a reduced, low profile configuration, and a non-retracted configuration, in which both longitudinally separated portions of the cutting element can be positioned adjacent to one another to form a single cutting element.
    Type: Application
    Filed: March 5, 2015
    Publication date: June 25, 2015
    Inventors: Gregory R. Whittaker, Mehmet Z. Sengun, Kristian Dimatteo
  • Publication number: 20150173889
    Abstract: Methods and devices are provided for fixing a ligament graft in a bone tunnel. In general, the methods and devices involve affixing a ligament graft within a bone tunnel using an adhesive. A fixation device can be inserted through the ligament graft in a direction transverse to an axis of the tunnel to maintain the ligament graft in contact with the adhesive. The fixation device can be removed when the adhesive is cured such that the ligament graft is fixed in the tunnel.
    Type: Application
    Filed: March 10, 2015
    Publication date: June 25, 2015
    Inventor: Gregory R. Whittaker
  • Patent number: 9011443
    Abstract: Low profile reamers and methods of use are provided which can, in general, allow a hole to be drilled in bone. In one embodiment, a low profile retractable bone reamer is provided having an elongate shaft with a cutting element disposed on a distal end of the elongate shaft that can be configured to drill a hole in bone. The elongate shaft and cutting element can have first and second longitudinally separated portions that are movably coupled to each other. The reamer can be configured to move between a retracted configuration, in which a the reamer has a reduced, low profile configuration, and a non-retracted configuration, in which both longitudinally separated portions of the cutting element can be positioned adjacent to one another to form a single cutting element.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: April 21, 2015
    Assignee: DePuy Mitek, LLC
    Inventors: Gregory R. Whittaker, Mehmet Z. Sengun, Kristian DiMatteo
  • Patent number: 9011535
    Abstract: Methods and devices are provided for fixing a ligament graft in a bone tunnel. In general, the methods and devices involve affixing a ligament graft within a bone tunnel using an adhesive. A fixation device can be inserted through the ligament graft in a direction transverse to an axis of the tunnel to maintain the ligament graft in contact with the adhesive. The fixation device can be removed when the adhesive is cured such that the ligament graft is fixed in the tunnel.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: April 21, 2015
    Assignee: DePuy Mitek, LLC
    Inventor: Gregory R. Whittaker
  • Publication number: 20150094543
    Abstract: A cannula system provides a cannula formed of a soft conformable material such as silicone and having an exterior thread. The cannula lacks rigidity, especially axially, and an obturator therefor is provided with an external thread to interact with the cannula an maintain its shape as it is inserted into a patient's body.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 2, 2015
    Inventors: Gregory R. Whittaker, Steven N. Bittenson, Gary McAlister
  • Publication number: 20150081019
    Abstract: An implant useful for reconstructing a knee that has sustained a rupture or tear of an anterior cruciate ligament. The implant has first and second opposed member connected by a replacement graft. The members may have external screw threads. In addition there is a method of reconstructing a knee using the implant of the present invention, wherein the knee has sustained an anterior cruciate ligament injury.
    Type: Application
    Filed: July 11, 2014
    Publication date: March 19, 2015
    Inventor: Gregory R. Whittaker
  • Publication number: 20150038992
    Abstract: Methods and devices are provided for anchoring suture to tissue, incorporating anchoring devices constructed substantially from suture. The anchoring devices are constructed as longitudinally extended, preformed knot configurations that upon deployment are reconfigured to form anchoring knots having an increased cross-section relative to the preformed knot configuration, for secure lodging in tissue. The anchoring devices are suitable for single and multi-anchor surgical procedures in soft tissue or bone, and multiple anchors can be delivered using a single delivery device.
    Type: Application
    Filed: August 8, 2014
    Publication date: February 5, 2015
    Inventors: Kristian DiMatteo, Gregory R. Whittaker, Brooks J. Story, Mehmet Ziya Sengun, Mark A. Capobianco, Douglas Allen Fifolt
  • Publication number: 20140379082
    Abstract: A method of replacing an ACL with a graft. The method provides for the drilling bone tunnels in a femur and a tibia. A replacement graft is provided having first and second ends. A biodegradable composite screw is provided. The screw is made from a biodegradable polymer and a bioceramic or a bioglass. At least one end of the graft is secured in a bone tunnel using the biodegradable composite screw.
    Type: Application
    Filed: September 12, 2014
    Publication date: December 25, 2014
    Inventors: Lisa M. Donnelly, Yufu Li, Joan M. Sullivan, Gregory R. Whittaker, J. Jenny Yuan