Patents by Inventor Warren P. Williamson, IV

Warren P. Williamson, IV 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: 6847822
    Abstract: A cellular telephone system has call management decisions made based on the exact geographic location of the mobile unit. These call management decisions include billing and taxing decisions, cell site selection, frequency selection and even cellular system selection. The decisions are continuously updated during a call whereby decisions can be made and changed regardless of where a call originated. Cell site location, and even cellular system selection, can be made in a specific manner to best serve the needs of the mobile user, the cellular system as well as the public. It is even possible for a cellular system to locate one or more of its cell sites in the geographic area served by another cellular system. In some cases, cellular systems might even share cell sites.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: January 25, 2005
    Assignee: Sycord Limited Partnership
    Inventors: Everett Dennison, Timothy J. Duffy, Gregory T Pauley, Scott L. Jones, Albert H. Pharis, Jr., Warren P. Williamson, IV
  • Patent number: 6811555
    Abstract: A ring for use in anastomosis. Preferably, the ring is integrally formed from metal, and includes a ring portion and tines and docking members that extend from the ring portion. The ring portion and tines are malleable, and preferably also the docking members are malleable. The ring portion and tines are malleable in the sense that once deformed from a first shape into a second shape, they will not relax back into the first shape from the second. To install the ring in a vessel with the ring portion extending around an incision or other orifice, the tines pierce the tissue around the orifice and are curled against an anvil. The action of curling the tines inverts the tissue near the orifice edges to expose the inside surface of the vessel or organ.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: November 2, 2004
    Assignee: Origin Medsystems, Inc.
    Inventors: Geoffrey H. Willis, Thomas A. Kramer, Paul A. Spence, George T. Christakis, Timothy J. McCoy, John W. Davis, Bradley D. Blackwood, Peter Callas, Michael Francis Wei, Jonathan L. Podmore, Andrew Knight, Thomas J. Ward, Warren P. Williamson, IV
  • Patent number: 6659270
    Abstract: A suture package (30) including a panel having a series of superimposed subpanels (32a). A suture (20) loops back and forth on the subpanels (32a) such that adjacent loops are retained on adjacent subpanels (32a) and the adjacent subpanels separate the adjacent loops from one another. In the preferred embodiment, an accordion style panel (32) is utilized and the series of subpanels (32a) are folded into a superimposed relationship. Various features are incorporated to reduce the instances or likelihood of kinking and tangling of the suture (20) when pulled from the package (30) by a user.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: December 9, 2003
    Assignee: IDX Medical, Ltd.
    Inventors: Warren P. Williamson, IV, Craig B. Berky, Paul A. Spence, Mark Ortiz
  • Patent number: 6652543
    Abstract: An anastomosis is performed using a mounting structure mounted on the outside of at least one vessel. The mounting structure includes a flexible mounting structure that is attached to the vessel by a special instrument. A graft vessel is attached to the mounting structure either directly or by means of another mounting structure attached to the graft vessel. Tools for attaching a mounting structure to a vessel are disclosed, and a tool for attaching two mounting structures together is also disclosed. Methods for carrying out the anastomosis according to the invention are also disclosed.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: November 25, 2003
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV, George Christakis
  • Patent number: 6610072
    Abstract: A surgical loop delivery device is disclosed in parent disclosures Ser. No. 09/071,811 and U.S. Pat. No. 5,766,217. This device is improved to permit tissue targets larger than the device to be ligated while also maintaining a clear sight path between the surgeon and the target. The surgical loop is also stable during the procedure.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: August 26, 2003
    Assignee: ESD Medical, L.L.C.
    Inventors: William J. Christy, James R. Christy, Warren P. Williamson, IV, Craig Berky
  • Patent number: 6565581
    Abstract: An anastomosis is performed using a flexible mounting structure mounted on the outside of at least one vessel. Fasteners extend through the vessel and are bent towards the incision to attach the flexible mounting structure to the vessel in a manner that controls the edge of the vessel adjacent to the incision. The mounting structures are oriented on each vessel so fasteners on one mounting structure interdigitate with fasteners on the other mounting structure at the location of contact between the vessels when the two vessels are brought together. This creates two complementary sinusoidal-shaped vessel edges with peaks of one edge being accommodated in the valleys of the other edge. The peak-to-valley orientation forms a sinusoidal-shaped joint which is leak free. The fasteners are spaced so proper pressure is applied to the tissue to promote healing without leaking. Furthermore, the fasteners are sized and shaped to properly engage the tissue and bend in a desired manner.
    Type: Grant
    Filed: August 17, 2000
    Date of Patent: May 20, 2003
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson IV, George Christakis, Mark Ortiz, Craig B. Berky, Douglas P. Allen, Matthew J. Huddleston, Delbert Ted Leimbach, Cecil R. Robinson, E. Dale VanHoose, Thomas J. Ward, Marty J. Warnecke
  • Patent number: 6488692
    Abstract: An access and cannulation device includes a mounting element such as the anastomosis mounting element disclosed in U.S. application Ser. No. 08/714,615 (now U.S. Pat. No. 5,868,763) and U.S. application Ser. No. 09/200,796. The device is used to provide access therethrough and via an incision to the interior of a hollow anatomical structure such as a vessel, an organ or the like during surgery, especially minimally invasive surgery. It includes a flexible sleeve with a suture therein for closing the sleeve and locating edges of the structure adjacent to the incision in position for proper healing after completion of a surgical procedure. A tool is also disclosed for manipulating the device to configure it for the surgery and to close it after completion of the surgery whereby the edges of the wall of the structure adjacent to an incision are approximated to promote proper healing.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: December 3, 2002
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV, George Christakis
  • Patent number: 6406424
    Abstract: Devices and methods are disclosed for stabilizing tissue within a patient's body during a surgical operation to provide a relatively motionless surgical field, such as during a coronary artery bypass graft procedure. The devices include tissue stabilizers which engage and provide stabilization to a targeted area of tissue and further have the ability to engage and manipulate some portion of tissue within or adjacent the targeted area to improve the surgical presentation of that portion of tissue. The tissue stabilizer typically has one or more stabilizer feet which have a first foot portion configured to provide stabilization to the targeted tissue and a second foot portion moveable relative to the first foot portion for manipulating a portion of tissue to improve the surgical presentation.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: June 18, 2002
    Inventors: Warren P. Williamson, IV, Paul A. Spence, Mark Ortiz, George A. Keller, Harry Leonard Green, II
  • Patent number: 6402780
    Abstract: A heart valve can be replaced using minimally invasive methods which include a sutureless sewing cuff that and a fastener delivery tool that holds the cuff against the patient's tissue while delivering fasteners to attach the cuff to the tissue from the inside out. The tool stores a plurality of fasteners and is self-contained whereby a fastener is delivered and placed all from inside a vessel. The fasteners are self-forming whereby they do not need an anvil to be formed. Anchor elements are operated from outside the patient's body to cinch a prosthesis to an anchoring cuff of the valve body. The cuff is releasably mounted on the tool and the tool holds the cuff against tissue and drives the fastener through the cuff and the tissue before folding over the legs of the fastener whereby secure securement between the cuff and the tissue is assured. Fasteners are placed and formed whereby fasteners are located continuously throughout the entire circumference of the cuff.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: June 11, 2002
    Assignee: CardioVascular Technologies, L.L.C.
    Inventors: Warren P. Williamson, IV, Paul A. Spence, George T. Chistakis, Mark Ortiz
  • Patent number: 6338712
    Abstract: A system for manipulating a heart during cardiac surgery permits coronary surgery on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the system. The system locates a suspension head near the apical region of the heart and a gross support near the base of the heart near the AV groove. A frame is positioned within the patient's thoracic region and moves with the patient, and a surgical target immobilizer can be used to assist in the movement of the heart if desired. A special suction cup is used which accommodates multiplanar movement of the heart and the myocardium while also preventing heart tissue from interrupting the suction being applied to the heart. One form of the system can be used in minimally invasive surgery.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: January 15, 2002
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV, Mark Ortiz
  • Patent number: 6324404
    Abstract: A cellular telephone system has call management decisions made based on the exact geographic location of the mobile unit. These call management decisions include billing and taxing decisions, cell site selection, frequency selection and even cellular system selection. The decisions are continuously updated during a call whereby decisions can be made and changed regardless of where a call originated. Cell site location, and even cellular system selection, can be made in a specific manner to best serve the needs of the mobile user, the cellular system as well as the public. It is even possible for a cellular system to locate one or more of its cell sites in the geographic area served by another cellular system. In some cases, cellular systems might even share cell sites.
    Type: Grant
    Filed: March 21, 1996
    Date of Patent: November 27, 2001
    Assignee: Sycord Limited Partnership
    Inventors: Everett Dennison, Timothy J. Duffy, Gregory T Pauley, Scott L. Jones, Albert H. Pharis, Jr., Warren P. Williamson, IV
  • Patent number: 6254617
    Abstract: An anastomosis is performed using a mounting structure mounted on the outside of at least one vessel. The mounting structure includes a flexible mounting structure that is attached to the vessel by a special instrument. A graft vessel is attached to the mounting structure either directly or by means of another mounting structure attached to the graft vessel. Tools for attaching a mounting structure to a vessel are disclosed, and a tool for attaching two mounting structures together is also disclosed. Methods for carrying out the anastomosis according to the invention are also disclosed.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: July 3, 2001
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV, George Christakis
  • Patent number: 6241742
    Abstract: An anastomosis is performed using a mounting structure mounted on the outside of at least one vessel. The mounting structure includes a flexible mounting structure that is attached to the vessel by a special instrument. A graft vessel is attached to the mounting structure either directly or by means of another mounting structure attached to the graft vessel. Tools for attaching a mounting structure to a vessel are disclosed, and a tool for attaching two mounting structures together is also disclosed. Methods for carrying out the anastomosis according to the invention are also disclosed.
    Type: Grant
    Filed: December 24, 1998
    Date of Patent: June 5, 2001
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV, George Christakis
  • Patent number: 6190397
    Abstract: An anastomosis is performed using a mounting structure mounted on the outside of at least one vessels. The mounting structure includes a flexible mounting structure that is attached to the vessel by a special instrument. A graft vessel is attached to the mounting structure either directly or by means of another mounting structure attached to the graft vessel. Tools for attaching a mounting structure to a vessel are disclosed, and a tool for attaching two mounting structures together is also disclosed. Methods for carrying out the anastomosis according to the invention are also disclosed.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: February 20, 2001
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV, George Christakis
  • Patent number: 6162233
    Abstract: Wire fasteners having legs with lengths that can be one hundred times the width of the fastener are used to secure items, such as prosthesis valves to a patient during minimally invasive surgery. The fasteners are manipulated into position and then are immobilized by the legs thereof for tensioning, cutting and forming in situ. The fasteners are manipulated, tensioned and formed from the leg end of the fasteners. Tools for initially placing the fasteners and for immobilizing, tensioning, cutting and bending the fastener legs are disclosed. Once the fasteners are initially placed, the prosthesis is placed on the long legs of the placed fasteners and is guided into position on the legs. Once the prosthesis is in position, the legs of the fasteners are immobilized, tensioned, cut and bent into staple-like shapes to secure the prosthesis to the patient. A method for carrying out the procedure using the long fastener is also disclosed.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: December 19, 2000
    Assignee: CardioVascular Technologies, LLC
    Inventors: Warren P. Williamson, IV, Paul A. Spence, George A. Keller, Cecil R. Robinson, Thomas J. Ward
  • Patent number: 6152936
    Abstract: A surgical loop delivery device is disclosed in parent disclosures Ser. No. 09/071,811 and U.S. Pat. No. 5,766,217. This device is improved to permit tissue targets larger than the device to be ligated while also maintaining a clear sight path between the surgeon and the target. The surgical loop is also stable during the procedure.
    Type: Grant
    Filed: February 2, 1999
    Date of Patent: November 28, 2000
    Assignee: ESD Medical, LLC
    Inventors: William J. Christy, James R. Christy, Warren P. Williamson IV, Craig Berky
  • Patent number: 6080173
    Abstract: A surgical punch prevents tissue debris associated with punching a hole in a patient's tissue, such as an aorta during an anastomosis procedure, from reentering the patient's bloodstream. The punch includes elements that move the debris away from the cutting site and then capture that debris inside the instrument. The punch also includes means for aligning the punch with the selected site and for atraumatically holding the tissue prior to cutting. Various means for moving the tissue debris and for trapping the tissue debris in the instrument are also disclosed.
    Type: Grant
    Filed: May 26, 1999
    Date of Patent: June 27, 2000
    Assignee: IDx Medical Ltd.
    Inventors: Warren P. Williamson, IV, Craig B. Berky, Paul A. Spence, Mark Ortiz
  • Patent number: 6076260
    Abstract: A clipper for cutting an end from a cigar preparatory to smoking the cigar includes a pair of relatively slidable body sections, each of which has an opening at an outer end dimensioned to permit a finger to pass thereinto and a pair of slide rails disposed along the sides. Two opposed cutouts at the inner ends form a body hole, into which extend a pair of opposed blade edges, which each also have opposed cutouts that form a cutting hole. The body sections are slidable between an admitting position for placing the cigar end into the cutting hole and a cutting position wherein the blade cutouts obscure the cutting hole, thereby clipping the end from the cigar.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: June 20, 2000
    Assignee: Amyx & Christy, Inc.
    Inventor: Warren P. Williamson, IV
  • Patent number: H2037
    Abstract: An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedance, thickness and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between one pole of a bipolar energy source located on one interfacing surface, and a second interfacing surface applying pressure in a predetermined range wherein one of the interfacing surfaces is positioned on an anvil with a specified preload and spring rate. A second pole is located one of the two interfacing surfaces. In a preferred embodiment, the second pole is located on the same interfacing surface as the first pole and an insulator electrically isolates the two poles. A preferred application of the invention is in a cutting instrument wherein a hemostatic line is formed along a cut line using RF energy.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: July 2, 2002
    Inventors: David C. Yates, James W. Voegele, Jesse Kuhns, Anil Nalagatla, Warren P. Williamson, IV, Darrel M. Powell
  • Patent number: H1904
    Abstract: An electrosurgical instrument is provided for cauterization and/or welding of tissue of varying impedance, thickness and vascularity especially in the performance of endoscopic procedures. The instrument compresses the tissue between one pole of a bipolar energy source located on one interfacing surface, and a second interfacing surface applying pressure in a predetermined range. A second pole is located one of the two interfacing surfaces. In a preferred embodiment, the second pole is located on the same interfacing surface as the first pole and an insulator electrically isolates the two poles. A preferred application of the invention is in a cutting instrument wherein a hemostatic line is formed along a cut line using RF energy.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: October 3, 2000
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: David C. Yates, James W. Voegele, Jesse Kuhns, Anil Nalagatla, Warren P. Williamson, IV