Patents by Inventor Ravindar Bethi

Ravindar Bethi 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).

  • Device for locating epidural space while safeguarding against dural puncture through differential friction technique
    Patent number: 8715234
    Abstract: A device for locating a cavity within two walls including a syringe including a syringe piston slideable in a first syringe barrel for discharging air or fluid contained in the first syringe barrel on forward movement of the syringe piston into the cavity, the first syringe barrel being attached to a hub of a needle cannula; and a frame which at least in part encases the syringe and which is solely connected to the back of the syringe piston.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: May 6, 2014
    Assignee: B. Braun Melsungen AG
    Inventor: Ravindar Bethi
  • DEVICE FOR LOCATING EPIDURAL SPACE WHILE SAFEGUARDING AGAINST DURAL PUNCTURE THROUGH DIFFERENTIAL FRICTION TECHNIQUE
    Publication number: 20110118702
    Abstract: A device for locating a cavity within two walls including a syringe including a syringe piston slideable in a first syringe barrel for discharging air or fluid contained in the first syringe barrel on forward movement of the syringe piston into the cavity, the first syringe barrel being attached to a hub of a needle cannula; and a frame which at least in part encases the syringe and which is solely connected to the back of the syringe piston.
    Type: Application
    Filed: June 12, 2009
    Publication date: May 19, 2011
    Inventor: Ravindar Bethi