U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Foot force transducer

Patent 4121453 Issued on October 24, 1978. Estimated Expiration Date: Icon_subject July 19, 1996. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3151480

3451030

3456226

3913392

Temperature compensation circuit for sensor of physical variables such as temperature and pressure Patent #: 3967188
Issued on: 06/29/1976
Inventor: Spencer

Inventors

Assignee

Application

No. 05/706487 filed on 07/19/1976

US Classes:

73/172ORTHOPEDIC PRESSURE DISTRIBUTION

Examiners

Primary: Woodiel, Donald O.

Attorney, Agent or Firm

International Classes

A61B 5/103 (20060101)
G01G 19/44 (20060101)
G01G 3/14 (20060101)
G01G 19/00 (20060101)
G01G 3/00 (20060101)

Abstract

An apparatus for measuring foot forces during walking uses a specially configured spring seated in a transducer plate to transmit static and dynamic forces on the foot during walking to strain gauges mounted on the transducer plate, which, in turn, may be monitored and recorded for diagnostic purposes, particularly to aid in treating patients with lower extremity dysfunction.

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