Method and equipment for evaluating the flexibility of a human spine

• US 4,971,069 A
• Filed: 09/28/1988
• Issued: 11/20/1990
• Est. Priority Date: 10/05/1987
• Status: Expired due to Fees

• Current Assignee: Business Development Bank of Canada (Government of Canada)
• Original Assignee: Diagnospine Research Inc.
• Inventors: Gracovetsky, Serge
• Primary Examiner(s): Howell, Kyle L.
• Assistant Examiner(s): Hanley, John C.
• Application Number:
  US07/250,215
• Time in Patent Office: 783 Days
• Field of Search: 128/781, 128/782, 128/733, 33/511, 33/512
• US Class Current: 600/594
• CPC Class Codes: A61B 5/11 Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb for measuring pulse A61B5/02 ;A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721
• CPC Class Codes: A61B 5/1121 Determining geometric values, e.g. centre of rotation or angular range of movement
• CPC Class Codes: A61B 5/1122 of movement trajectories
• CPC Class Codes: A61B 5/1127 using markers
• CPC Class Codes: A61B 5/389 Electromyography [EMG]
• CPC Class Codes: A61B 5/4561 Evaluating static posture, e.g. undesirable back curvature A61B5/1116 takes precedence
• CPC Class Codes: A61B 5/6823 Trunk, e.g., chest, back, abdomen, hip

Claims