Patents Represented by Attorney William S. Wang
  • Patent number: 7442170
    Abstract: A punch biopsy apparatus for removing all or a portion of a suspect dermal growth. A punch biopsy apparatus has: a hollow cylinder body; a coring blade at the base of the hollow cylinder body; and a scooping blade assembly installed through a pair of installation channels and pivotally secured by a pair of pivot seats, where the scooping blade assembly comprises a semicircular scooping blade having actuating levers attached at each end via essentially rectangular connectors. This device helps minimize bleeding and minimize damage to the biopsy sample being retrieved.
    Type: Grant
    Filed: June 25, 2006
    Date of Patent: October 28, 2008
    Inventors: Kwok Wai Chiu, Hongtao Qiu
  • Patent number: D494715
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: August 17, 2004
    Assignee: Reilor Holdings Limited
    Inventor: Alister Peter Reid