Patents by Inventor Allen Hacker

Allen Hacker 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).

  • Adjustable sample size tissue sampling device
    Patent number: 8968211
    Abstract: Among other things, there is disclosed a biopsy needle capable of taking samples of varying size. In particular embodiments, a user selects one of a plurality of sample-size settings, which sets the needle to a particular cannula throw-length by moving an internal wall against which a spring engages. For a shorter throw, the wall is in a forward position and the cannula is retracted the smaller amount to compress the spring. For a longer throw, the wall is in a rearward position and the cannula is retracted a larger amount to compress the spring.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: March 3, 2015
    Assignee: Cook Medical Technologies LLC
    Inventors: Chris Ferree, Casey Brown, Allen Hacker, Danielle Joaquin, Anthony Melchiorri, Torsten Schreiber
  • ADJUSTABLE SAMPLE SIZE TISSUE SAMPLING DEVICE
    Publication number: 20120179065
    Abstract: Among other things, there is disclosed a biopsy needle capable of taking samples of varying size. In particular embodiments, a user selects one of a plurality of sample-size settings, which sets the needle to a particular cannula throw-length by moving an internal wall against which a spring engages. For a shorter throw, the wall is in a forward position and the cannula is retracted the smaller amount to compress the spring. For a longer throw, the wall is in a rearward position and the cannula is retracted a larger amount to compress the spring.
    Type: Application
    Filed: November 10, 2011
    Publication date: July 12, 2012
    Inventors: Chris Ferree, Casey Brown, Allen Hacker, Danielle Joaquin, Anthony Melchiorri, Torsten Schreiber