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: 7476196
    Abstract: A suction cup adapted to engage a surface of a beating heart with sufficient force to move the beating heart to an unnatural position upon moving the suction cup, while the suction cup maintains engagement with the surface of the heart and the heart continues to beat. Various suction cups are described each including at least a first chamber having a flexible rim and configured to engage the surface of the beating heart and a second chamber smaller than the first chamber and fluidly connected therewith. A suspension device configured to engage a beating heart and maintain engagement via suction while moving the suspension device to move the beating heart to an unnatural position and maintain the beating heart in the unnatural position to perform a surgical procedure, while the heart continues to beat, includes a suction cup and a support arm connected thereto.
    Type: Grant
    Filed: June 8, 2004
    Date of Patent: January 13, 2009
    Assignee: MAQUET Cardiovascular, LLC
    Inventors: Paul A. Spence, Warren P. Williamson, IV, Mark Ortiz
  • Patent number: 7476199
    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. A component of the system engages the heart with a head of a heart positioning device, repositions the heart into a displaced position and maintains it in the displaced position while the heart continues to beat with substantially unabated and uninterrupted cardiac output. A select portion of the heart in the vicinity of a target area is immobilized to facilitate a surgical procedure to be performed at the target area. One form of the system can be used in minimally invasive surgery.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: January 13, 2009
    Assignee: Maquet Cardiovascular, LLC.
    Inventors: Paul A. Spence, Warren P. Williamson, IV, Mark Ortiz
  • Publication number: 20090012545
    Abstract: A clamp (10) having at least first and second elongate clamping portions (2, 4) adapted to be placed on opposite sides of the hollow anatomical structure (40). The first and second elongate clamping portions (2, 4) respectively include ends coupled together with respective resilient urging members (6, 8) configured to urge at least one of the first and second elongate clamping portions (2, 4) toward the other of the first and second elongate clamping portions (2, 4) from an open position into a clamping position to occlude the hollow anatomical structure (40). The clamp (10) is shaped annularly such that it may surround the hollow anatomical structure (40) in the open position and reorient into a flattened shape in the clamping position to occlude the hollow interior of the hollow anatomical structure (40). Apparatus of the invention further include clamp delivery and actuation devices (80, 200) adapted to deploy the clamp (10).
    Type: Application
    Filed: July 14, 2006
    Publication date: January 8, 2009
    Applicants: IDX MEDICAL, LTD., ATRICURE, INC.
    Inventors: Warren P. Williamson, IV, Jason I. Glithero, Michael W. Goldenbogen, Chadd R. Tyler, Todd A. Hall
  • Patent number: 7404792
    Abstract: A system for manipulating and supporting a beating heart during cardiac surgery, including a gross support element for engaging and supporting the heart (the gross support element preferably including a head which is sized and shaped to cradle the myocardium of the left ventricleā€¯), a suspension head configured to exert lifting force on the heart when positioned near the apical region of the heart at a position at least partially overlying the right ventricle, and a releasable attachment element for releasably attaching at least one of the gross support element and the suspension head to the heart. The releasable attachment element can be a mechanical element (such as one or more staples or sutures') or an adhesive such as glue. Alternatively, the system includes a suspension head and a releasable attachment element for releasably attaching it to the heart, but does not include a gross support element.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: July 29, 2008
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV
  • Patent number: 7377895
    Abstract: A system for use in conducting coronary 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 includes a first device for engaging and repositioning the beating heart to a displaced position, and is capable of maintaining the heart in the displaced position to perform a surgical procedures. The system includes a second device adapted to engage a portion of the heart to immobilize that portion for conducting a surgical procedure in the immobilized location, while the remainder of the heart continues to beat. Both first and second devices may be adapted to be fixed to a relatively stationary object, such as a frame, which may be a sternal retractor.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: May 27, 2008
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV, Mark Ortiz
  • Patent number: 7289763
    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: November 22, 2004
    Date of Patent: October 30, 2007
    Assignee: Emsat Advanced Geo-Location Technology, LLP
    Inventors: Everett Dennison, Timothy J. Duffy, Gregory T Pauley, Scott L. Jones, Albert H. Pharis, Jr., Warren P. Williamson, IV
  • Patent number: 7195591
    Abstract: A heart retractor links lifting of the heart and regional immobilization which stops one part of the heart from moving to allow expeditious suturing while permitting other parts of the heart to continue to function whereby coronary surgery can be performed on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the heart retractor of the present invention. The retractor includes a plurality of flexible arms and a plurality of rigid arms as well as a surgery target immobilizing element. One form of the retractor can be used in minimally invasive surgery, while other forms of the retractor can accommodate variations in heart size and paracardial spacing.
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: March 27, 2007
    Assignee: Origin Medsystems, Inc.
    Inventors: Paul A. Spence, Warren P. Williamson, IV
  • Patent number: 7179424
    Abstract: A cassette for holding a tissue sample includes a body having a bottom wall and a plurality of side walls extending upwardly with respect to the bottom wall to define an interior space for receiving the tissue sample. A lid is configured to be received in the interior space, and the cassette is sectionable in a microtome. Sensing elements are associated with the body or lid and configured to allow an automated sensing system to determine at least one characteristic of the cassette. A flange extends along upper portions of at least two of the side walls and includes a plurality of holes. Other features are included to more effectively and efficiently manufacture and use the cassette.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: February 20, 2007
    Assignee: Biopath Automation, L.L.C.
    Inventors: Warren P. Williamson, IV, Thomas J. Ward, Stephen P. Whitlatch
  • Patent number: 7156814
    Abstract: A sectional cassette (10) for use in a process for harvesting and handling tissue samples for biopsy analysis is disclosed. In the procedure, a tissue biopsy sample is placed on a tissue trapping supporting material (A?) that can withstand tissue preparation procedures, and which can be cut with a microtome. The tissue is immobilized on the material, and the material and the tissue are held in the cassette (10) subjected to a process for replacing tissue fluids with wax. The tissue and supporting material are sliced for mounting on slides using a microtome. Harvesting devices and containers (200) using the filter material (202) are disclosed. An automated process is also disclosed.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: January 2, 2007
    Assignee: Biopath Automation, L.L.C.
    Inventors: Warren P. Williamson, IV, Stephen Whitlach, Dominic DiNovo, Douglas Allen, Thomas Ward
  • Patent number: 7032790
    Abstract: A cap for curable material dispensing containers prevents the material from curing after opening the dispensing nozzle. Thus, when mounted on a partially-dispensed container, the nozzle cap preserves flowable materials such as air-cured glues, sealants, caulks, etc. In particular, a deformable sealant in the cap remains pliant, conforming in and/or around the nozzle tip to create a seal. A retention member frictionally grips the nozzle to prevent inadvertent release of the cap, yet accommodates nozzle tips cut to varying lengths.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: April 25, 2006
    Assignee: Long-Shot Products, Ltd.
    Inventors: Warren P. Williamson, IV, Craig B. Berky
  • Patent number: 6984241
    Abstract: Apparatus and methods for repairing damaged tendons or ligaments. Various repair apparatus include an elongate tensile member and a pair of anchor structures connected for movement along the tensile member on either side of a repair site, such as a tear or laceration. The anchor structures may take many forms, and may include barbed, helical, and crimp-type anchors. In the preferred embodiments, at least one anchor structure is movable along the elongate tensile member to assist with adjusting a tendon segment to an appropriate repair position and the anchor structure or structures are then lockable onto the elongate tensile member to assist with affixing the tendon at the repair position. The invention further provides tendon-to-bone repair apparatus and methods employing similar concepts. Tendon retrieval devices of the invention include helical members for rotating into a tendon end and subsequently moving the tendon to an appropriate operating position.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: January 10, 2006
    Assignee: Tendon Technology, Ltd.
    Inventors: Lawrence M. Lubbers, Kenneth E. Hughes, Carl R. Coleman, Warren P. Williamson, IV, Craig B. Berky, Matthew J. Huddleston, Thomas J. Ward, Mark A. Goldin, Jeremy Jarrett, Joseph E. Young
  • Patent number: 6978569
    Abstract: A tilt indicator for use on a firearm includes a signal to indicate if the firearm is level or out of level. The signal is located to be viewed by a user via the user's peripheral vision and his secondary concentration so the user can maintain his primary concentration on the target.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: December 27, 2005
    Assignee: Long-Shot Products, Ltd.
    Inventors: Warren P. Williamson, IV, David C. Yates, Craig B. Berky
  • Patent number: 6884251
    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: March 6, 2003
    Date of Patent: April 26, 2005
    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: 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: RE40377
    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: June 7, 2004
    Date of Patent: June 10, 2008
    Assignee: Cardiovascular Technologies LLC
    Inventors: Warren P. Williamson, IV, Paul A. Spence, George T. Christakis, Mark Ortiz