Patents by Inventor Peter K. Kratsch

Peter K. Kratsch 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: 10390978
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding and at least one bridge. The continuous helical winding has a plurality of circumferential sections that circumscribe a longitudinal axis from a first end to a second end to define a tube. The circumferential sections are spaced apart along the axis. The at least one bridge is configured to connect one circumferential section to an axially-spaced adjacent circumferential section. The at least one bridge extends on a plane generally orthogonal with respect to the axis.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: August 27, 2019
    Assignee: Angiomed GmbH & Co. Medizintechnik KG
    Inventors: Thomas O. Bales, Jr., Scott L. Jahrmarkt, Charles R. Slater, Peter K. Kratsch
  • Publication number: 20170100267
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding having interconnected struts joined at vertices, and having bridges connecting sections of the helical winding to each other. An annular ring can be provided at one or both ends of the helical winding, and the annular ring can have extensions extending to connect to the helical winding. One of the extensions can connect to a bridge and another extension can connect to a vertex. The struts at the ends of the helical winding can have strut lengths that differ from the strut lengths of the struts in a central portion of the winding between the ends of the winding.
    Type: Application
    Filed: December 23, 2016
    Publication date: April 13, 2017
    Inventors: Thomas O. Bales, JR., Scott L. Jahrmarkt, Charles R. Slater, Peter K. Kratsch
  • Publication number: 20170086994
    Abstract: A stent includes a central portion of helically wound undulations formed of struts, cylindrical end portions, and transition zones between the helical portion and the cylindrical portions. According to a first aspect of the invention, the torsional flexibility of the stent is maximized by having bridges connecting adjacent windings be interrupted by the maximum possible number of undulations. In one embodiment, each winding includes nineteen undulations around the circumference; bridges are provided every five undulations. According to a second aspect of the invention, uniform opening of the transition zone is achieved by altering the width, and thereby the flexibility, of a series of struts in accordance with their lengths. Specifically, the long transition zone struts are made wider.
    Type: Application
    Filed: December 14, 2016
    Publication date: March 30, 2017
    Inventors: Thomas O. Bales, Peter K. Kratsch, Kenneth E. Perry
  • Patent number: 9561123
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding having interconnected struts joined at vertices, and having bridges connecting sections of the helical winding to each other. An annular ring can be provided at one or both ends of the helical winding, and the annular ring can have extensions extending to connect to the helical winding. One of the extensions can connect to a bridge and another extension can connect to a vertex. The struts at the ends of the helical winding can have strut lengths that differ from the strut lengths of the struts in a central portion of the winding between the ends of the winding.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: February 7, 2017
    Assignee: C.R. Bard, Inc.
    Inventors: Thomas O. Bales, Jr., Scott L. Jahrmarkt, Charles R. Slater, Peter K. Kratsch
  • Patent number: 9554927
    Abstract: A stent includes a central portion of helically wound undulations formed of struts, cylindrical end portions, and transition zones between the helical portion and the cylindrical portions. According to a first aspect of the invention, the torsional flexibility of the stent is maximized by having bridges connecting adjacent winding be interrupted by the maximum possible number of undulations. In one embodiment, each winding includes nineteen undulations around the circumference, bridges are provided every five undulations. According to a second aspect of the invention, uniform opening of the transition zone is achieved by altering the width, and thereby the flexibility, of a series of struts in accordance with their lengths. Specifically, the long transition zone struts are made wider.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: January 31, 2017
    Assignee: C.R. Bard, Inc.
    Inventors: Thomas O. Bales, Peter K. Kratsch, Kenneth E. Perry
  • Publication number: 20170014249
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding and at least one bridge. The continuous helical winding has a plurality of circumferential sections that circumscribe a longitudinal axis from a first end to a second end to define a tube. The circumferential sections are spaced apart along the axis. The at least one bridge is configured to connect one circumferential section to an axially-spaced adjacent circumferential section. The at least one bridge extends on a plane generally orthogonal with respect to the axis.
    Type: Application
    Filed: September 30, 2016
    Publication date: January 19, 2017
    Applicant: ANGIOMED GMBH & CO. MEDIZINTECHNIK KG
    Inventors: THOMAS O. BALES, JR., SCOTT L. JAHRMARKT, CHARLES R. SLATER, PETER K. KRATSCH
  • Patent number: 9456911
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding and at least one bridge. The continuous helical winding has a plurality of circumferential sections that circumscribe a longitudinal axis from a first end to a second end to define a tube. The circumferential sections are spaced apart along the axis. The at least one bridge is configured to connect one circumferential section to an axially-spaced adjacent circumferential section. The at least one bridge extends on a plane generally orthogonal with respect to the axis.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: October 4, 2016
    Assignee: Angiomed GMBH & Co. Medizintechnik
    Inventors: Thomas O. Bales, Jr., Scott L. Jahrmarkt, Charles R. Slater, Peter K. Kratsch
  • Publication number: 20150039078
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding having interconnected struts joined at vertices, and having bridges connecting sections of the helical winding to each other. An annular ring can be provided at one or both ends of the helical winding, and the annular ring can have extensions extending to connect to the helical winding. One of the extensions can connect to a bridge and another extension can connect to a vertex. The struts at the ends of the helical winding can have strut lengths that differ from the strut lengths of the struts in a central portion of the winding between the ends of the winding.
    Type: Application
    Filed: October 16, 2014
    Publication date: February 5, 2015
    Inventors: THOMAS O. BALES, JR., SCOTT L. JAHRMARKT, CHARLES R. SLATER, PETER K. KRATSCH
  • Publication number: 20130338759
    Abstract: A stent includes a central portion of helically wound undulations formed of struts, cylindrical end portions, and transition zones between the helical portion and the cylindrical portions. According to a first aspect of the invention, the torsional flexibility of the stent is maximized by having bridges connecting adjacent winding be interrupted by the maximum possible number of undulations. In one embodiment, each winding includes nineteen undulations around the circumference, bridges are provided every five undulations. According to a second aspect of the invention, uniform opening of the transition zone is achieved by altering the width, and thereby the flexibility, of a series of struts in accordance with their lengths. Specifically, the long transition zone struts are made wider.
    Type: Application
    Filed: August 19, 2013
    Publication date: December 19, 2013
    Applicant: C. R. BARD, INC.
    Inventors: Thomas O. Bales, JR., Peter K. Kratsch, Kenneth E. Perry
  • Patent number: 8512391
    Abstract: A stent includes a central portion of helically wound undulations formed of struts, cylindrical end portions, and transition zones between the helical portion and the cylindrical portions. According to a first aspect of the invention, the torsional flexibility of the stent is maximized by having bridges connecting adjacent winding be interrupted by the maximum possible number of undulations. In a preferred design, each winding includes nineteen undulations around the circumference, bridges are provided every five undulations. According to a second aspect of the invention, uniform opening of the transition zone is achieved by altering the width, and thereby the flexibility, of a series of struts in accordance with their lengths. Specifically, the long transition zone struts are made wider.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: August 20, 2013
    Assignee: C. R. Bard, Inc.
    Inventors: Thomas O. Bales, Jr., Peter K. Kratsch, Kenneth E. Perry
  • Patent number: 8333799
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding having interconnected struts joined at vertices, and having bridges connecting sections of the helical winding to each other. An annular ring can be provided at one or both ends of the helical winding, and the annular ring can have five extensions extending to connect to the helical winding. One of the extensions can connect to a bridge and another extension can connect to a vertex. The struts at the ends of the helical winding can have strut lengths that differ from the strut lengths of the struts in a central portion of the winding between the ends of the winding.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 18, 2012
    Assignee: C. R. Bard, Inc.
    Inventors: Thomas O. Bales, Jr., Scott L. Jahrmarkt, Charles R. Slater, Peter K. Kratsch
  • Patent number: 8328865
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding having interconnected struts joined at vertices, and having bridges connecting sections of the helical winding to each other. An annular ring can be provided at one or both ends of the helical winding, and the annular ring can have extensions extending to connect to the helical winding. One of the extensions can connect to a bridge and another extension can connect to a vertex. The struts at the ends of the helical winding can have strut lengths that differ from the strut lengths of the struts in a central portion of the winding between the ends of the winding.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 11, 2012
    Assignee: C. R. Bard, Inc.
    Inventors: Thomas O. Bales, Jr., Scott L. Jahrmarkt, Charles R. Slater, Peter K. Kratsch
  • Patent number: 8287556
    Abstract: An endoscopic suturing system and method are disclosed as are devices for use with the system and method such as a suture dispenser, a cinch device, and a tissue grasper. In one embodiment the suturing system includes a cap assembly arranged at the distal end portion of an endoscope or guide member, with the cap assembly including a rotatable needle holder. The needle holder is actuated through a transmission element extending outside the endoscope or guide member. A needle capture device may be inserted through a channel of the endoscope or guide member in order to capture a needle held in the needle holder when the needle holder is rotated so that the needle punctures tissue.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: October 16, 2012
    Assignee: Apollo Endosurgery, Inc.
    Inventors: J. Landon Gilkey, Brett E. Naglreiter, Peter K. Kratsch, Donald K. Jones, Vladimir Mitelberg
  • Patent number: 8216255
    Abstract: A flexible endoscopic clip applier includes a flexible coil with a manual actuator coupled to one end and a jaw assembly coupled to the other end. A store of clips is arranged adjacent to the jaw assembly and a clip pusher is arranged adjacent to the store of clips. The actuator includes a lever for opening and closing the jaws, a knob for rotating the jaw assembly, and a crank for dispensing clips. The knob and the lever are coupled to a single control member which extends through the coil to a joiner where it is joined to a pair of pull wires coupled to the jaws. The crank is coupled to a second control member which is threaded along a distal portion. The threaded portion engages a threaded member near the pusher and is coupled to the pusher such that rotation of the threaded control member by the crank causes the pusher to be moved distally.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: July 10, 2012
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: Kevin W. Smith, Jeffrey David Messerly, Barry Thomas Jamison, Peter K. Kratsch, Carlos Rivera, Jose Luis Francese, Kristin Nicole Werner Dawson, Chester O. Baxter, III, Juergen A. Kortenbach
  • Patent number: 8038707
    Abstract: A stent includes a central portion of helically wound undulations formed of struts, cylindrical end portions, and transition zones between the helical portion and the cylindrical portions. According to a first aspect of the invention, the torsional flexibility of the stent is maximized by having bridges connecting adjacent winding be interrupted by the maximum possible number of undulations. In a preferred design, each winding includes nineteen undulations around the circumference, bridges are provided every five undulations. According to a second aspect of the invention, uniform, opening of the transition zone is achieved by altering the width, and thereby the flexibility, of a series of struts in accordance with their lengths. Specifically, the long transition zone struts are made wider.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: October 18, 2011
    Assignee: C.R. Bard, Inc.
    Inventors: Thomas O. Bales, Peter K. Kratsch, Kenneth E. Perry
  • Patent number: 8006889
    Abstract: A full-thickness resection system comprises a flexible endoscope and a stapling mechanism, wherein the endoscope is slidably received through at least a portion of the stapling mechanism. The stapling mechanism comprises an anvil and a stapling head mounted to the anvil so that the anvil and the stapling head are moveable with respect to one another between a tissue receiving position and a stapling position and wherein a gap formed between the stapling head and the anvil is larger in the tissue receiving position than it is in the stapling position. A position adjusting mechanism is provided for moving the anvil and the stapling head between the tissue receiving and stapling positions and a staple firing mechanism sequentially fires a plurality of staples from the stapling head across the gap against the anvil and through any tissue received in the gap and a knife cuts a portion of tissue received within the gap.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: August 30, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Ronald D. Adams, Roy H. Sullivan, III, Lauren O. Main, Peter K. Kratsch, George A. Nunez, Jurgen A. Kortenbach, Matthew S. Solar, Gerhard F. Buess, Marc O. Schurr
  • Publication number: 20110166641
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding having interconnected struts joined at vertices, and having bridges connecting sections of the helical winding to each other. An annular ring can be provided at one or both ends of the helical winding, and the annular ring can have extensions extending to connect to the helical winding. One of the extensions can connect to a bridge and another extension can connect to a vertex. The struts at the ends of the helical winding can have strut lengths that differ from the strut lengths of the struts Po. in a central portion of the winding between the ends of the winding.
    Type: Application
    Filed: February 7, 2008
    Publication date: July 7, 2011
    Applicant: C.R. BARD INC.
    Inventors: Thomas O. Bales, JR., Scott L. Jahrmarkt, Charles R. Slater, Peter K. Kratsch
  • Publication number: 20110108604
    Abstract: A full-thickness resection system comprises a flexible endoscope and a stapling mechanism, wherein the endoscope is slidably received through at least a portion of the stapling mechanism. The stapling mechanism comprises an anvil and a stapling head mounted to the anvil so that the anvil and the stapling head are moveable with respect to one another between a tissue receiving position and a stapling position and wherein a gap formed between the stapling head and the anvil is larger in the tissue receiving position than it is in the stapling position. A position adjusting mechanism is provided for moving the anvil and the stapling head between the tissue receiving and stapling positions and a staple firing mechanism sequentially fires a plurality of staples from the stapling head across the gap against the anvil and through any tissue received in the gap and a knife cuts a portion of tissue received within the gap.
    Type: Application
    Filed: January 19, 2011
    Publication date: May 12, 2011
    Inventors: Ronald D. ADAMS, Roy H. Sullivan, III, Lauren O. Main, Peter K. Kratsch, George A. Nunez, Jurgen A. Kortenbach, Matt Solar, Gerhard F. Buess, Marc O. Schurr
  • Patent number: 7896215
    Abstract: Described is a full-thickness resection system which includes a control unit coupled to a proximal end of a flexible endoscope. The control unit remains outside of a body when the stapling head is in an operative position within a body lumen. The control unit includes (i) an anvil actuator coupled to an anvil in the stapling head, actuation of the anvil actuator moves the anvil axially relative to a stapling mechanism in the stapling head to compress a folded full-thickness portion of lumenal tissue between the anvil and the stapling mechanism. In addition, the control unit includes (ii) a stapler actuator coupled to the stapling mechanism in the stapling head, actuation of the stapler actuator causing the stapling mechanism to drive staples through the folded lumenal tissue against the anvil.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: March 1, 2011
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Ronald D. Adams, Roy H. Sullivan, III, George A. Nunez, Lauren O. Main, Peter K. Kratsch, Jurgen A. Kortenbach, Matthew Solar, Gerhard F. Buess, Marc O. Schurr
  • Publication number: 20110004290
    Abstract: Preferred embodiments of a stent with a high degree of flexibility are shown and described. The stent can include a continuous helical winding having interconnected struts joined at vertices, and having bridges connecting sections of the helical winding to each other. An annular ring can be provided at one or both ends of the helical winding, and the annular ring can have five extensions extending to connect to the helical winding. One of the extensions can connect to a bridge and another extension can connect to a vertex. The struts at the ends of the helical winding can have strut lengths that differ from the strut lengths of the struts in a central portion of the winding between the ends of the winding.
    Type: Application
    Filed: February 7, 2008
    Publication date: January 6, 2011
    Applicant: C.R. Bard, Inc.
    Inventors: Thomas O. Bales, JR., Scott L. Jahrmarkt, Charles R. Slater, Peter K. Kratsch