Patents by Inventor Brian W. Moulder

Brian W. Moulder 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: 6676671
    Abstract: A surgical stapler for securing a prosthetic heart valve within a patient is disclosed and generally includes a first cylindrical portion for carrying a staple assembly on a distal end thereof, a second cylindrical portion positioned concentrically about the first cylindrical portion and having a camming arm on a distal end thereof and a third cylindrical portion positioned concentrically about the second cylindrical portion and having an anvil flange on a distal end thereof, the camming arm configured to cam the staple assembly radially outward and drive the staple assembly distally such that a first leg of the staple assembly penetrates a cuff of the prosthetic heart valve and a second leg of the staple assembly pierces a portion of heart tissue surrounding the prosthetic heart valve to secure the valve. A method of installing a heart valve within a patient utilizing the surgical stapler is also disclosed.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: January 13, 2004
    Assignee: United States Surgical
    Inventors: John Charles Robertson, Keith Ratcliff, Brian W. Moulder
  • Publication number: 20010031972
    Abstract: A surgical stapler for securing a prosthetic heart valve within a patient is disclosed and generally includes a first cylindrical portion for carrying a staple assembly on a distal end thereof, a second cylindrical portion positioned concentrically about the first cylindrical portion and having a camming arm on a distal end thereof and a third cylindrical portion positioned concentrically about the second cylindrical portion and having an anvil flange on a distal end thereof, the camming arm configured to cam the staple assembly radially outward and drive the staple assembly distally such that a first leg of the staple assembly penetrates a cuff of the prosthetic heart valve and a second leg of the staple assembly pierces a portion of heart tissue surrounding the prosthetic heart valve to secure the valve. A method of installing a heart valve within a patient utilizing the surgical stapler is also disclosed.
    Type: Application
    Filed: March 2, 2001
    Publication date: October 18, 2001
    Applicant: United States Surgical
    Inventors: John Charles Robertson, Keith Ratcliff, Brian W. Moulder
  • Patent number: 6203553
    Abstract: A surgical stapler for securing a prosthetic heart valve within a patient generally includes a first cylindrical portion for carrying at least one staple assembly on a distal end thereof; a second cylindrical portion positioned concentrically about the first cylindrical portion and having a camming arm on a distal end thereof, the camming arm configured to cam the at least one staple assembly radially outward and drive the at least one staple assembly distally such that a first leg of the at least one staple assembly penetrates a cuff of the prosthetic heart valve and a second leg of the at least one staple assembly pierces a portion of heart tissue surrounding the prosthetic heart valve, as the second cylindrical portion is moved distally relative to the first cylindrical portion; and a third cylindrical portion positioned concentrically about the second cylindrical portion and having an anvil flange on a distal end thereof, the anvil flange configured to crimp the second leg of the at least one staple assem
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: March 20, 2001
    Assignee: United States Surgical
    Inventors: John Charles Robertson, Keith Ratcliff, Brian W. Moulder
  • Patent number: 5984959
    Abstract: There are disclosed various systems for installing a heart valve within a patient. In a first system, there are provided a heart valve installation assembly and an expandable heart valve ring installation assembly, each of which comprises a separate tool. The expandable heart valve ring assembly is provided to position and expand a heart valve ring into engagement with tissue. The valve installation assembly is provided to position and engage the heart valve with the expandable heart valve ring. In a second system, the heart valve installation assemblies and expandable ring installation assemblies are provided on a single tool or instrument. There are also disclosed various methods of installing an expandable heart valve ring within a heart and positioning and installing an artificial synthetic heart valve within the expanded heart valve ring.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: November 16, 1999
    Assignee: United States Surgical
    Inventors: John Charles Robertson, Brian W. Moulder, Roberto Pedros