Patents by Inventor Craig TSUKAYAMA

Craig TSUKAYAMA 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).

  • Patent number: 9750554
    Abstract: An instrument for extracting a pin from a substrate, such as a bone mass, which comprises a first lever arm with a body part having a channel in which a free end of a pin can be received, a second lever arm which can pivot relative to the first lever arm, a gripping member within the body part by which the pin can be gripped to retain the pin in the channel, and a terminating member mounted on the body part having an end face and two side walls which extend along opposite sides of the body part. The terminating member has a slot provided in a portion of the end face and which extends along a portion of at least one of the two side walls configured to guide the free end of the pin into the instrument prior to being received into the channel.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: September 5, 2017
    Assignee: DEPUY IRELAND UNLIMITED COMPANY (040419/0433)
    Inventors: Jonathan Lee, Craig Tsukayama, Duncan Young
  • Publication number: 20150305793
    Abstract: An instrument for extracting a pin from a substrate, such as a bone mass, which comprises a first lever arm with a body part having a channel in which a free end of a pin can be received, a second lever arm which can pivot relative to the first lever arm, a gripping member within the body part by which the pin can be gripped to retain the pin in the channel, and a terminating member mounted on the body part having an end face and two side walls which extend along opposite sides of the body part. The terminating member has a slot provided in a portion of the end face and which extends along a portion of at least one of the two side walls configured to guide the free end of the pin into the instrument prior to being received into the channel.
    Type: Application
    Filed: December 23, 2013
    Publication date: October 29, 2015
    Inventors: Jonathan LEE, Craig TSUKAYAMA, Duncan YOUNG