Patents Assigned to Helitrex, Inc.
  • Delivery system for implantation of fine particles in surgical procedures
    Patent number: 4657548
    Abstract: A delivery system for implantation of fine particles in surgical procedures made of a collagen tube filled with the fine particles, the tube being made of a cast collagen film having holes in it larger than the size of the particles to allow cell migration. The system is particularly useful for alveolar ridge augmentation.
    Type: Grant
    Filed: May 1, 1986
    Date of Patent: April 14, 1987
    Assignee: Helitrex, Inc.
    Inventor: Joseph Nichols