Patents Assigned to Hemostasis, LLC
  • Hemostatic agent and method
    Patent number: 10744310
    Abstract: A sponge including one or more hemostatic agents and one or more binding agents. At least one of the hemostatic agents is a pregelatinized potato starch. The collective percentage by weight of the one or more hemostatic agents is within the range of approximately one eighth to approximately sixteen times as great as the collective percentage by weight of the one or more binding agents.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: August 18, 2020
    Assignee: Hemostasis, LLC
    Inventors: Keith A. Roberts, John Henry Burban, Majid Zia, Michael R. Spearman
  • Hemostatic agent and method
    Patent number: 9649482
    Abstract: One aspect of the invention is a method of treating a wound to clot blood. A sponge material is applied to the wound. The sponge comprises a starch having hemostatic properties and at least one binding agent. The sponge may further comprise a porous, flexible material.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: May 16, 2017
    Assignee: Hemostasis, LLC
    Inventors: Keith A. Roberts, John Henry Burban, Majid Zia, Michael R. Spearman
  • Method of making a hemostatic sponge wound dressing comprising subjecting the sponge to water vapor
    Patent number: 9061087
    Abstract: A method of making a wound dressing comprises dissolving at least one hemostatic agent in at least one solvent to form a solution. The method continues by freeze drying the solution to form a sponge. The method further comprises compressing the sponge, wherein the sponge is subjected to a vapor above ambient temperature prior to or during the compression.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: June 23, 2015
    Assignee: Hemostasis, LLC
    Inventors: Keith A. Roberts, Majid Zia
  • Sterilant composition and system
    Patent number: 8920715
    Abstract: An antimicrobial solution for disinfecting instruments in an automatic sterilization device, the solution comprising: a peracid reaction product formed in situ from combining a liquid acetyl donor with a solid source of peroxide, wherein the in situ reaction takes place in the sterilization device, along with a containment and delivery ampule for use in an automatic sterilization device, and methods for disinfecting a medical instrument employing the inventive antibacterial solution.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: December 30, 2014
    Assignee: Hemostasis, LLC
    Inventors: Keith Allen Roberts, Carl William Hahn, Gabriel P. Kern, Ryan A. Hoitink, Robert Orvin Crowder, John Henry Burban
  • Hemostatic agent and method
    Patent number: 8623842
    Abstract: One aspect of the invention is a method of treating a wound to clot blood. A sponge material is applied to the wound. The sponge comprises a starch having hemostatic properties and at least one binding agent. The sponge may further comprise a porous, flexible material.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: January 7, 2014
    Assignee: Hemostasis, LLC
    Inventors: Keith A. Roberts, John Henry Burban, Majid Zia, Michael R. Spearman
  • Hemostatic Sponge with Enzyme and Method of Manufacture
    Publication number: 20110052663
    Abstract: In one embodiment, a method of making a wound dressing comprises dissolving at least one hemostatic agent in at least one solvent to form a solution. The method continues by freeze drying the solution to form a sponge. The method further comprises including an enzyme in the sponge that enables a human body to readily degrade the hemostatic agent.
    Type: Application
    Filed: August 9, 2010
    Publication date: March 3, 2011
    Applicant: Hemostasis, LLC
    Inventor: Keith A. Roberts
  • Hemostatic Sponge and Method of Manufacture
    Publication number: 20090226391
    Abstract: A method of making a wound dressing comprises dissolving at least one hemostatic agent in at least one solvent to form a solution. The method continues by freeze drying the solution to form a sponge. The method further comprises compressing the sponge, wherein the sponge is subjected to a vapor above ambient temperature prior to or during the compression.
    Type: Application
    Filed: February 23, 2009
    Publication date: September 10, 2009
    Applicant: Hemostasis, LLC
    Inventors: Keith A. Roberts, Majid Zia
  • System and Method to Vent Gas from a Body Cavity
    Publication number: 20090221963
    Abstract: One aspect of the invention is a method to vent gas from a body cavity during an endoscopic procedure. A body cavity is in fluid communication with an exhaust gas inlet of a vacuum break device. The vacuum break device has a chamber in fluid communication with both the inlet and an outlet. The chamber may comprise one or more openings in fluid communication with the atmosphere. A conduit in fluid communication with the exhaust gas outlet may be connected directly or indirectly to a suction source. The suction source may be activated.
    Type: Application
    Filed: March 3, 2008
    Publication date: September 3, 2009
    Applicant: Hemostasis, LLC
    Inventors: Duane Earl Lloyd, Keith A. Roberts
  • Hemostatic Agent and Method
    Publication number: 20080076722
    Abstract: One aspect of the invention is a method of treating a wound to clot blood. A sponge material is applied to the wound. The sponge comprises a starch having hemostatic properties and at least one binding agent. The sponge may further comprise a porous, flexible material.
    Type: Application
    Filed: September 26, 2007
    Publication date: March 27, 2008
    Applicant: Hemostasis, LLC
    Inventors: Keith A. Roberts, John Henry Burban, Majid Zia, Michael R. Spearman