Patents by Inventor Sean Hanstke

Sean Hanstke 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: 9332750
    Abstract: This invention is a novel method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: May 10, 2016
    Assignee: RTI Surgical, Inc.
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke
  • Publication number: 20140193798
    Abstract: This invention is a novel method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Application
    Filed: March 11, 2014
    Publication date: July 10, 2014
    Applicant: RTI Surgical, Inc.
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke
  • Patent number: 8669043
    Abstract: A method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant, and the implant produced by such treatment. A system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants. Goals include between about a one to twelve log reduction in bacterial contamination, between about a one to fifteen log reduction in enveloped virus contamination, up to about a five log reduction in non-enveloped virus contamination, between about a two to tenfold reduction in endotoxin, maintenance of implant or graft biologic and biomechanical properties, absence of tissue toxicity due to cleaning solutions used, and reduced implant antigenicity.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: March 11, 2014
    Assignee: RTI Surgical, Inc.
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke
  • Publication number: 20120214149
    Abstract: A method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant, and the implant produced by such treatment. A system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants. Goals include between about a one to twelve log reduction in bacterial contamination, between about a one to fifteen log reduction in enveloped virus contamination, up to about a five log reduction in non-enveloped virus contamination, between about a two to tenfold reduction in endotoxin, maintenance of implant or graft biologic and biomechanical properties, absence of tissue toxicity due to cleaning solutions used, and reduced implant antigenicity.
    Type: Application
    Filed: February 17, 2012
    Publication date: August 23, 2012
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke
  • Patent number: 8142991
    Abstract: This invention is a novel method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: March 27, 2012
    Assignee: RTI Biologics, Inc.
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke
  • Publication number: 20090186333
    Abstract: This invention is a novel method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Application
    Filed: February 19, 2009
    Publication date: July 23, 2009
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke
  • Publication number: 20050100862
    Abstract: This invention is a novel method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Application
    Filed: December 7, 2004
    Publication date: May 12, 2005
    Inventors: C. Mills, John Wironen, Sean Hanstke
  • Publication number: 20050096742
    Abstract: This invention is a novel method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Application
    Filed: November 2, 2004
    Publication date: May 5, 2005
    Inventors: C. Mills, John Wironen, Sean Hanstke
  • Patent number: 6652818
    Abstract: This invention includes a novel method for safely, effectively and efficiently pooling of tissues for treatment prior to implantation into a recipient in need thereof. In one embodiment, the method includes perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: November 25, 2003
    Assignee: Regeneration Technologies, Inc.
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke, Russell S. Donda, Jamie M. Grooms
  • Patent number: 6613278
    Abstract: This invention includes a novel method for safely, effectively and efficiently pooling of tissues for treatment prior to implantation into a recipient in need thereof. In one embodiment, the method includes perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: September 2, 2003
    Assignee: Regeneration Technologies, Inc.
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke, Russell S. Donda, Jamie M. Grooms, John Bianchi
  • Publication number: 20030027125
    Abstract: This invention is a novel method for perfusion of a porous implant which achieves efficient interpenetration of desired factors into and removal of undesirable factors from the pores of the implant, cleaning of the implant, efficient passivation of the implant (inactivation of pathogens, microorganisms, cells, viruses and the like and reduction in antigenicity thereof), and the novel implant produced by such treatment. The process presents a system wherein the rate of pressure cycling, the fact of pressure cycling, and the amplitude of pressure cycling, results in highly cleaned tissues and other implants for implantation.
    Type: Application
    Filed: July 10, 2002
    Publication date: February 6, 2003
    Applicant: Regeneration Technologies, Inc.
    Inventors: C. Randal Mills, John F. Wironen, Sean Hanstke