Patents by Inventor Fanfeng He

Fanfeng He 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: 9301763
    Abstract: A tiltable and repositionable anvil assembly for a stapler and a stapler comprising the same are provided. The tiltable and repositionable anvil assembly comprises: an anvil body having a connection portion for pivotable connection; a limitator; and a compression spring disposed between the anvil body and the limitator, in which in an operation of the stapler, the limitator is clamped at a clamping position between the connection portion of the anvil body and a connection portion of the stapler so as to keep the anvil body in a vertical state, and after the operation of the stapler, the limitator is moved away from the clamping position between the connection portion of the anvil body and the connection portion of the stapler, so that the anvil body is tiltable to a tilted state and the compression spring is compressed.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: April 5, 2016
    Assignee: B.J.ZH.F. Panther Medical Equipment Co., Ltd.
    Inventors: Wei Qiao, Fanfeng He, Zhi Qu
  • Publication number: 20120325888
    Abstract: A tiltable and repositionable anvil assembly for a stapler and a stapler comprising the same are provided. The tiltable and repositionable anvil assembly comprises: an anvil body having a connection portion for pivotable connection; a limitator; and a compression spring disposed between the anvil body and the limitator, in which in an operation of the stapler, the limitator is clamped at a clamping position between the connection portion of the anvil body and a connection means of the stapler so as to keep the anvil body in a vertical state, and after the operation of the stapler, the limitator is moved away from the clamping position between the connection portion of the anvil body and the connection means of the stapler, so that the anvil body is tiltable to a tilted state and the compression spring is compressed.
    Type: Application
    Filed: July 30, 2010
    Publication date: December 27, 2012
    Applicant: B.J.ZH.F. PANTHER MEDICAL EQUIPMENT CO., LTD.
    Inventors: Wei Qiao, Fanfeng He, Zhi Qu