Patents Assigned to James A. Nelson
  • Patent number: 4553960
    Abstract: The cannula of a conventional intravascular catheter is placed into the peritoneal cavity through a small shallow incision in antiseptically prepared skin. The stylet or trocar of the conventional catheter is removed; and a stainless steel elongated flexible guide is inserted through the catheter's cannula into the peritoneal cavity. The catheter's cannula is removed and a flexible elongated cannula inserted into the cavity over the guide and secured in place with a suture. Fluid operation means is connected to the elongated cannula by connector means to permit fluid treatment after removal of the guide. Apparatus to effect peritoneal fluid treatment are placed in sterile openable sealed packages for storage and transport.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: November 19, 1985
    Assignees: Harrison Lazarus, James A. Nelson
    Inventors: Harrison Lazarus, James A. Nelson
  • Patent number: 4351333
    Abstract: The cannula of a conventional intravascular catheter is placed into the peritoneal cavity through a small shallow incision in antiseptically prepared skin. The stylet or trocar of the conventional catheter is removed; and a stainless steel elongated flexible guide is inserted through the catheter's cannula into the peritoneal cavity. The catheter's cannula is removed and a flexible elongated cannula inserted into the cavity over the guide and secured in place with a suture. Fluid operation means is connected to the elongated cannula by connector means to permit fluid treatment after removal of the guide. Apparatus to effect peritoneal fluid treatment are placed in sterile openable sealed packages for storage and transport.
    Type: Grant
    Filed: August 22, 1980
    Date of Patent: September 28, 1982
    Assignees: Harrison Lazarus, James A. Nelson
    Inventors: Harrison Lazarus, James A. Nelson