Fully ambulatory, self-contained gait monitor
First Claim
1. A gait monitoring device for recording and assessing, with the use of a personal computer, the gait characteristics of one wearing said device, said device comprising:
- a means for sensing the temporal variation in the vertical acceleration and angular velocity of the motion of said wearer at the location where said device is being worn,an analog to digital converter connected to said sensing means for sampling the data sensed by said motion sensing means,a microprocessor connected to said converter, said microprocessor having embedded programmable memory,a means for storing said sampled data,a firmware means for controlling the operation of said microprocessor to 1 s sample the output of said sensing means at a prescribed time interval and to temporarily store said sampled data in said data storage means, anda means for transferring said stored data to said personal computer.
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Accused Products
Abstract
A gait monitoring device for recording and assessing, with the use of a personal computer, the gait characteristics of one wearing the device, includes: (a) a transducer array for sensing the temporal variation in the vertical acceleration and angular velocity of the motion of the shank of a wearer, (b) an analog to digital converter for sampling the data sensed by the transducer array, (c) a microprocessor having embedded programmable memory, (d) a sampled data storage means, (e) firmware for controlling the operation of the microprocessor to sample the output of the transducer array at a prescribed time interval and to temporarily store the sampled data, (f) a USB interface that allows for the downloading of the stored data to the personal computer, and (g) software for controlling a personal computer in the analysis of the collected data.
41 Citations
20 Claims
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1. A gait monitoring device for recording and assessing, with the use of a personal computer, the gait characteristics of one wearing said device, said device comprising:
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a means for sensing the temporal variation in the vertical acceleration and angular velocity of the motion of said wearer at the location where said device is being worn, an analog to digital converter connected to said sensing means for sampling the data sensed by said motion sensing means, a microprocessor connected to said converter, said microprocessor having embedded programmable memory, a means for storing said sampled data, a firmware means for controlling the operation of said microprocessor to 1 s sample the output of said sensing means at a prescribed time interval and to temporarily store said sampled data in said data storage means, and a means for transferring said stored data to said personal computer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for recording and assessing, with the use of a personal computer, the gait characteristics of an individual of interest, said method comprising the steps of:
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sensing the temporal variation in the vertical acceleration and angular velocity of the motion at a specified location on said individual, sampling with an analog to digital converter at a prescribed frequency said sensed accelerations and angular velocities, storing said sampled data, controlling said sensing, sampling and data storage with a microprocessor having embedded programmable memory, and transferring said stored data to said personal computer. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification