Patents by Inventor Margaret Pamela Richardson

Margaret Pamela Richardson 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).

  • Surgical suturing apparatus with locking mechanisms
    Patent number: 5871488
    Abstract: An apparatus for manipulating a surgical needle is disclosed, comprising a body portion, a first needle receiving jaw mounted for movement on a distal end of the body portion and having a first needle engaging member, a second needle receiving jaw mounted for movement on the distal end of the body portion and having a second needle engaging member, the second needle engaging member being operatively interconnected to the first needle engaging member for relative reciprocal movement therewith, wherein each of the first and second needle receiving jaws has a recess for receipt of a portion of a surgical needle therein. The first and second needle engaging members are mounted for alternate reciprocal movement into and out of locking engagement with the surgical needle.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: February 16, 1999
    Assignee: United States Surgical Corporation
    Inventors: H. Jonathan Tovey, Corbett W. Stone, Stephen W. Zlock, David A. Nicholas, Paul A. Scirica, Philip Richardson, Margaret Pamela Richardson
  • Production of rubber articles, such as gloves
    Patent number: 5817365
    Abstract: Rubber articles are produced by applying a first latex to a former and then applying either a second latex, or a separation material followed by a latex which may be the same as, or different to, the first latex, curing both latices, and removing both layers jointly, so as to make an article with an outer translucent layer and an inner darker layer, with capillary action permitted between the layers.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: October 6, 1998
    Inventors: Margaret Pamela Richardson, Philip Richardson
  • Suturing apparatus
    Patent number: 5690653
    Abstract: Surgical suturing apparatus comprises upper and lower jaw elements selectively movable relative to one another between open and closed position. Each jaw element is provided with a respective recess arranged to receive a portion of an elongate incision member or length of surgical thread and securing means is provided arranged to selectively secure the surgical incision member or length of surgical thread in a respective recess. The jaw elements are typically provided at an end of an elongate positioning and operating arm making the device particularly useful for use in laparoscopic surgery.
    Type: Grant
    Filed: July 24, 1995
    Date of Patent: November 25, 1997
    Inventors: Philip Richardson, Margaret Pamela Richardson
  • Surgical suturing apparatus with locking mechanisms
    Patent number: 5674230
    Abstract: An apparatus for manipulating a surgical needle is disclosed, comprising a body portion, a first needle receiving jaw mounted for movement on a distal end of the body portion and having a first needle engaging member, a second needle receiving jaw mounted for movement on the distal end of the body portion and having a second needle engaging member, the second needle engaging member being operatively interconnected to the first needle engaging member for relative reciprocal movement therewith, wherein each of the first and second needle receiving jaws has a recess for receipt of a portion of a surgical needle therein. The first and second needle engaging members are mounted for alternate reciprocal movement into and out of locking engagement with the surgical needle.
    Type: Grant
    Filed: September 12, 1995
    Date of Patent: October 7, 1997
    Assignees: United States Surgical Corporation, Philip Richardson, Margaret P. Richardson
    Inventors: H. Jonathan Tovey, Corbett W. Stone, Stephen W. Zlock, David A. Nicholas, Paul A. Scirica, Philip Richardson, Margaret Pamela Richardson
  • Surgical suturing apparatus with loading mechanism
    Patent number: 5674229
    Abstract: The invention contemplates a surgical apparatus for manipulating a surgical incision member and an associated loading mechanism for replacing the surgical incision member. The surgical apparatus comprises an elongated body portion, first and second jaw elements extending from the body portion, securing a needle for securing the surgical incision member, releasing jaw cooperating with the securing a needle for releasing the surgical incision member and locking jaw cooperating with the securing a needle for preventing at least one of the jaw elements from moving.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: October 7, 1997
    Assignees: United States Surgical Corporation, Philip Richardson, Margaret P. Richardson
    Inventors: H. Jonathan Tovey, Corbett W. Stone, Stephen W. Zlock, David A. Nicholas, Richard N. Granger, Philip Richardson, Margaret Pamela Richardson