Patents Assigned to Johnson Medical Development Corp.
  • Injection syringe
    Patent number: 5304147
    Abstract: An injection syringe useful in the medical arts for injecting high viscosity fluids or pastes, particularly in endoscopic applications. The syringe includes a force multiplying mechanism to infuse viscous medicaments such as collagen or polytetrafluoroethylene paste, with a controlled metering action. The force multiplying mechanism is provided by the combination of lower piston cylinder chamber that intersects with an upper cylinder chamber, wherein the piston is connected to a piston advancing means on a lever pivot arm.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: April 19, 1994
    Assignee: Johnson Medical Development Corp.
    Inventors: Thomas R. Johnson, Andrew L. Cote, Sr.
  • Balloon catheter and method of using the same
    Patent number: 5263962
    Abstract: A balloon catheter is provided for treatment of hypertrophy of the prostate. The balloon is formed in a non-compliant transparent plastic sleeve fitted over a transparent plastic lumen. The distal end of the sleeve is secured to a fitting slidably mounted on the lumen.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: November 23, 1993
    Assignee: Johnson Medical Development Corp.
    Inventors: Thomas R. Johnson, Andrew L. Cote, Sr.