Patents by Inventor Samuel P. Tidwell

Samuel P. Tidwell 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).

  • Tissue thickness compensator comprising controlled release and expansion
    Patent number: 11857187
    Abstract: A tissue thickness compensator may generally comprise a first layer comprising a first biocompatible material sealingly enclosed in a water impermeable material and a second layer comprising a second biocompatible material comprising at least one encapsulation, wherein the first biocompatible material expands when contacted with a fluid. The tissue thickness compensator may comprise a haemostatic agent, an anti-inflammatory agent, an antibiotic agent, anti-microbial agent, an anti-adhesion agent, an anti-coagulant agent, a medicament, and/or pharmaceutically active agent. The encapsulation may comprise a biodegradable material to degrade in vivo and/or in situ. The tissue thickness compensator may comprise a hydrogel. The reaction product may comprise a fluid-swellable composition. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: January 2, 2024
    Assignee: Cilag GmbH International
    Inventors: Chester O. Baxter, III, Frederick E. Shelton, IV, Charles J. Scheib, Christopher W. Widenhouse, William B. Weisenburgh, II, Samuel P. Tidwell, Stephanie A. Mutchler, Gary W. Knight
  • Movable member for use with a tissue thickness compensator
    Patent number: 9517063
    Abstract: A cutting blade for a surgical cutting and stapling instrument is disclosed therein. The cutting blade can include one or more features to direct or displace substances released from within the tissue thickness compensators used with the surgical instrument. The cutting blade may include a textured surface that can cause substances from the tissue thickness compensator to spread across the blade surface.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: December 13, 2016
    Assignee: Ethicon Endo-Surgery, LLC
    Inventors: Jeffrey S. Swayze, Joshua R. Uth, Richard L. Leimbach, John L. Stammen, Samuel P. Tidwell, Frederick E. Shelton, IV
  • MOVABLE MEMBER FOR USE WITH A TISSUE THICKNESS COMPENSATOR
    Publication number: 20130256382
    Abstract: A cutting blade for a surgical cutting and stapling instrument is disclosed therein. The cutting blade can include one or more features to direct or displace substances released from within the tissue thickness compensators used with the surgical instrument. The cutting blade may include a textured surface that can cause substances from the tissue thickness compensator to spread across the blade surface.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 3, 2013
    Applicant: Ethicon Endo-Surgery, Inc.
    Inventors: Jeffrey S. Swayze, Joshua R. Uth, Richard L. Leimbach, John L. Stammen, Samuel P. Tidwell, Frederick E. Shelton, IV