Patents by Inventor Hendrik Wijbe Johannes De Vries

Hendrik Wijbe Johannes De Vries 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).

  • Medical C-arm device provided with an improved bearing block
    Patent number: 6623163
    Abstract: The invention relates to a device that is provided with a C-arm 7 for carrying medical devices 5, 6, which C-arm is adjustably attached to a carrier 4. The carrier is provided with a bearing block 11 that is provided with at least one row of roller elements 8 on both sides. The C-arm is constructed so as to be hollow and is provided on both sides with at least two oppositely situated running surfaces 15, 16 for the roller elements. The device is characterized in that a plurality of roller elements of one row is interconnected by means of an interconnecting member 9. The invention also relates to a bearing block of the described kind that forms part of the device in accordance with the invention.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: September 23, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Hendrik Wijbe Johannes De Vries
  • Medical C-arm device provided with reinforced running surfaces
    Patent number: 6599017
    Abstract: A device that is provided with a C-arm 2 for carrying medical devices 5, 6, which C-arm is attached to a carrier 3 so as to be adjustable along its circumference, which carrier is provided with a bearing block 7 that is provided on both sides with at least one row of roller elements 8. The C-arm is hollow and is provided on both sides with at least two oppositely situated internal running surfaces 9 for the roller elements. The device is characterized in accordance with the invention in that the running surfaces are provided with reinforcement elements 11. The invention also relates to a bearing block as described as part of the device in accordance with the invention.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: July 29, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Frans Eduard Nicolaas Geelhoed, Hendrik Wijbe Johannes De Vries
  • Medical C-arm device provided with an improved bearing block
    Publication number: 20020150314
    Abstract: The invention relates to a device that is provided with a C-arm 7 for carrying medical devices 5, 6, which C-arm is adjustably attached to a carrier 4. The carrier is provided with a bearing block 11 that is provided with at least one row of roller elements 8 on both sides. The C-arm is constructed so as to be hollow and is provided on both sides with at least two oppositely situated running surfaces 15, 16 for the roller elements. The device is characterized in that a plurality of roller elements of one row is interconnected by means of an interconnecting member 9.
    Type: Application
    Filed: February 8, 2002
    Publication date: October 17, 2002
    Inventor: Hendrik Wijbe Johannes De Vries
  • Medical C-arm device provided with reinforced running surfaces
    Publication number: 20020126801
    Abstract: A device that is provided with a C-arm 2 for carrying medical devices 5, 6, which C-arm is attached to a carrier 3 so as to be adjustable along its circumference, which carrier is provided with a bearing block 7 that is provided on both sides with at least one row of roller elements 8. The C-arm is hollow and is provided on both sides with at least two oppositely situated internal running surfaces 9 for the roller elements. The device is characterized in accordance with the invention in that the running surfaces are provided with reinforcement elements 11. The invention also relates to a bearing block as described as part of the device in accordance with the invention.
    Type: Application
    Filed: February 15, 2002
    Publication date: September 12, 2002
    Inventors: Frans Eduard Nicolaas Geelhoed, Hendrik Wijbe Johannes De Vries