Patents by Inventor Malcolm L. Russelburg

Malcolm L. Russelburg 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).

  • CATHETER INTRODUCER ASSEMBLY HAVING SAFETY SHIELDED SYRINGE
    Publication number: 20110208124
    Abstract: An intravenous catheter introducer assembly having a safety feature to prevent accidental needle sticks. The introducer assembly includes a needle assembly having a groove disposed on its outer surface. The introducer includes a protector made of a hollow member having an open distal end and an inwardly disposed resilient flange or a clip disposed thereon. The protector is coaxially slidably disposed around the needle with the flange abutting the outer surface of the needle and adapted to engage the groove when a catheter assembly is removed from the needle.
    Type: Application
    Filed: May 4, 2011
    Publication date: August 25, 2011
    Applicant: SMITHS MEDICAL ASD, INC.
    Inventors: Edward A. Rhad, Mark Tsonton, Randy R. Stephens, Malcolm L. Russelburg
  • Catheter introducer assembly having safety shielded needle
    Patent number: 7959613
    Abstract: An intravenous catheter introducer assembly having a safety feature to prevent accidental needle sticks. The introducer assembly includes a needle assembly having a groove disposed on its outer surface. The introducer includes a protector made of a hollow member having an open distal end and an inwardly disposed resilient flange or a clip disposed thereon. The protector is coaxially slidably disposed around the needle with the flange abutting the outer surface of the needle and adapted to engage the groove when a catheter assembly is removed from the needle.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: June 14, 2011
    Assignee: Smiths Medical ASD, Inc.
    Inventors: Edward A. Rhad, Mark Tsonton, Randy R. Stephens, Malcolm L. Russelburg
  • Catheter introducer assembly having safety shielded needle
    Patent number: 7303548
    Abstract: An intravenous catheter introducer assembly having a safety feature to prevent accidental needle sticks. The introducer assembly includes a needle assembly having a groove disposed on its outer surface. The introducer includes a protector made of a hollow member having an open distal end and an inwardly disposed resilient flange or a clip disposed thereon. The protector is coaxially slidably disposed around the needle with the flange abutting the outer surface of the needle and adapted to engage the groove when a catheter assembly is removed from the needle.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: December 4, 2007
    Assignee: Smiths Medical ASD, Inc.
    Inventors: Edward A. Rhad, Mark Tsonton, Randy R. Stephens, Malcolm L. Russelburg
  • Catheter introducer assembly having safety shielded needle
    Publication number: 20040078002
    Abstract: An intravenous catheter introducer assembly having a safety feature to prevent accidental needle sticks. The introducer assembly includes a needle assembly having a groove disposed on its outer surface. The introducer includes a protector made of a hollow member having an open distal end and an inwardly disposed resilient flange or a clip disposed thereon. The protector is coaxially slidably disposed around the needle with the flange abutting the outer surface of the needle and adapted to engage the groove when a catheter assembly is removed from the needle.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 22, 2004
    Applicant: Medex, Inc.
    Inventors: Edward A. Rhad, Mark Tsonton, Randy R. Stephens, Malcolm L. Russelburg
  • Catheter introducer assembly having safety shielded needle
    Patent number: 6663592
    Abstract: An intravenous catheter introducer assembly having a safety feature to prevent accidental needle sticks. The introducer assembly includes a needle assembly having a groove disposed on its outer surface. The introducer includes a protector made of a hollow member having an open distal end and a inwardly disposed resilient flange disposed thereon. The protector is coaxially slidably disposed around the needle with the flange abutting the outer surface of the needle and adapted to engage the groove when a catheter assembly is removed from the needle assembly.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: December 16, 2003
    Assignee: Medex, Inc.
    Inventors: Edward A. Rhad, Mark Tsonton, Randy R. Stephens, Malcolm L. Russelburg
  • Catheter introducer assembly having safety shielded needle
    Publication number: 20030060769
    Abstract: An intravenous catheter introducer assembly having a safety feature to prevent accidental needle sticks. The introducer assembly includes a needle assembly having an elongated hollow tubular needle with a proximal end attached to a catheter hub and a distal end extending therefrom. The needle has a groove disposed on its outer surface The introducer includes a protector made of a hollow member having an open distal end and a inwardly disposed resilient flange disposed thereon. The protector is coaxially slidably disposed around the needle with the flange abutting the outer surface of the needle. The introducer also includes a catheter assembly having an elongated hollow tubular catheter with a proximal end attached to a catheter hub and a distal end extending therefrom. The catheter is coaxially disposed about the needle.
    Type: Application
    Filed: September 6, 2001
    Publication date: March 27, 2003
    Inventors: Edward A. Rhad, Mark Tsonton, Randy R. Stephens, Malcolm L. Russelburg