NZ759040B2 - Multidimensional acceleration and/or force gait analysis system for diagnosis - Google Patents
Multidimensional acceleration and/or force gait analysis system for diagnosisInfo
- Publication number
- NZ759040B2 NZ759040B2 NZ759040A NZ75904018A NZ759040B2 NZ 759040 B2 NZ759040 B2 NZ 759040B2 NZ 759040 A NZ759040 A NZ 759040A NZ 75904018 A NZ75904018 A NZ 75904018A NZ 759040 B2 NZ759040 B2 NZ 759040B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- load
- sensor region
- sensor
- sensor module
- vertical
- Prior art date
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0219—Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0252—Load cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/1036—Measuring load distribution, e.g. podologic studies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
- A61B5/112—Gait analysis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
- A61B5/4082—Diagnosing or monitoring movement diseases, e.g. Parkinson, Huntington or Tourette
Abstract
Disclosed herein is a gait analysis apparatus configured to monitor locomotion comprising a sensor region suspended in a plurality of directions selected from the group consisting of vertical, for-aft, and lateral directions, a load sensor module comprising one or more load sensors, wherein the load sensor module is configured to measure loads generated by a test subject traversing the sensor region in the plurality of directions, a flexible link configured to suspend the sensor region from the load sensor module in the vertical direction, and at least one pair of limiting members positioned on both opposite sides of at least one of the one or more load sensors, wherein the at least one pair of limiting members are configured to permit the sensor region to move a limited amount of distance relative to the load sensor module, wherein the at least one pair of limiting members include a suspension assembly to suspend the sensor region from the load sensor module in the plurality of directions different from the suspension direction of the sensor region by the flexible link, wherein movement of the limited amount of distance by the sensor region causes the load sensor module to measure the loads in one or more of the plurality of directions different from a suspension direction of the sensor region by the flexible link, wherein the load sensor module is configured to measure the loads in each of the plurality of directions and to provide each of the respective measurements of the loads to be processed, and an acceleration sensor module comprising one or more accelerometers, wherein the acceleration sensor module is configured to measure the accelerations in the plurality of directions selected from the group consisting of vertical, for-aft, and lateral directions, wherein the acceleration sensor module is configured to measure the accelerations in each of the plurality of directions and to provide each of the respective measurements of the accelerations to be processed.
Claims (19)
1. A gait analysis apparatus configured to monitor locomotion comprising: a sensor region suspended in a plurality of directions selected from the group consisting of vertical, for-aft, and lateral directions; a load sensor module comprising one or more load sensors, wherein the load sensor module is configured to measure loads generated by a test subject traversing the sensor region in the plurality of directions; a flexible link configured to suspend the sensor region from the load sensor module in the vertical direction; and at least one pair of limiting members positioned on both opposite sides of at least one of the one or more load sensors, wherein the at least one pair of limiting members are configured to permit the sensor region to move a limited amount of distance relative to the load sensor module, wherein the at least one pair of limiting members include a suspension assembly to suspend the sensor region from the load sensor module in the plurality of directions different from the suspension direction of the sensor region by the flexible link, wherein movement of the limited amount of distance by the sensor region causes the load sensor module to measure the loads in one or more of the plurality of directions different from a suspension direction of the sensor region by the flexible link, wherein the load sensor module is configured to measure the loads in each of the plurality of directions and to provide each of the respective measurements of the loads to be processed; and an acceleration sensor module comprising one or more accelerometers, wherein the acceleration sensor module is configured to measure the accelerations in the plurality of directions selected from the group consisting of vertical, for-aft, and lateral directions, wherein the acceleration sensor module is configured to measure the accelerations in each of the plurality of directions and to provide each of the respective measurements of the accelerations to be processed.
2. The gate analysis apparatus of claim 1, wherein the load sensor module comprises one or more load sensors and one or more restriction blocks.
3. The gate analysis apparatus of claim 2, wherein the at least one pair of limiting members is positioned on both opposite sides of at least one of the one or more load sensors and one or more restriction blocks.
4. The gait analysis apparatus of claim 1, wherein the at least one pair of limiting members are coupled to the sensor region and configured to move with the sensor region to limit movement of the sensor region relative to the load sensor module, wherein movement of the at least one pair of limiting members causes the load sensor module to measure the loads in one or more of the plurality of directions different from the suspension direction of the sensor region by the flexible link.
5. The gait analysis apparatus of claim 4, wherein the suspension assembly comprises: a pair of wire-rope assemblies that each include an inner threaded end and an outer threaded end affixed to opposite ends of a flexible cable; and a mounting bracket coupled to the bottom of the sensor region, wherein the mounting bracket includes a hole to hold the flexible cable of each of the pair of wire-rope assemblies, wherein the inner threaded end of each of the each of the pair of wire-rope assemblies presses on opposite sides of a suspended holder, and wherein the outer threaded end of the pair of wire-rope assemblies pulls on the sides of each of the mounting bracket.
6. The gait analysis apparatus of claim 5, wherein the suspension assembly includes a coupling screw to attach the one or more load sensors to the suspended holder, wherein the suspended holder is coupled to the sensor region and configured to move with the sensor region to limit movement of the sensor region relative to the load sensor module, wherein movement of the suspended holder causes the load sensor module to measure the loads in one or more of the plurality of directions different from the suspension direction of the sensor region by the flexible link.
7. The gait analysis apparatus of claim 1, wherein the one or more load sensors are coupled to the sensor region and configured to move with the sensor region the limited amount of distance between the at least one pair of limiting members.
8. The gait analysis apparatus of claim 1, wherein the acceleration sensor module is coupled to the sensor region, and wherein the acceleration sensor module comprises: an adhesive to hold the one or more accelerometers securely to a base, wherein the one or more accelerometers are mounted to a printed circuit board; an input/ output terminal is structurally and electronically coupled to the printed circuit board, providing a means to output the measured accelerations to a gait measuring processing device; and a cover coupled to the base to enclose the accelerometer and input/output terminal, protecting the accelerometer and input/output terminal from outside hazards.
9. The gait analysis apparatus of claim 1, wherein the one or more accelerometers of the acceleration sensor module comprises: at least one multidimensional accelerometer coupled to the sensor region, wherein the at least one multidimensional acceleration sensor is configured to detect the accelerations on the sensor region in one or more of the plurality of directions selected from the group consisting of vertical, for-aft, and lateral directions, and to generate one or more vertical, for-aft, and lateral acceleration measurements in response to the detected accelerations, wherein each one of the multidimensional accelerometers is configured to provide the one or more vertical, for-aft, and lateral acceleration measurements to be processed.
10. The gait analysis apparatus of claim 1, wherein the one or more load sensors of the load sensor module comprises: at least one for-aft load sensors coupled to the sensor region, wherein the at least one for-aft load sensors is configured to detect a for-aft load on the sensor region and to generate one or more for-aft load measurements in response to the detected for-aft load; and at least one lateral load sensors coupled to the sensor region, wherein the at least one lateral load sensors is configured to detect a lateral load on the sensor region and to generate one or more lateral load measurements in response to the detected lateral load, wherein each one of the for-aft and lateral load sensors is configured to provide the one or more for-aft load measurements or the one or more lateral load measurements to be processed.
11. The gait analysis apparatus of claim 8, wherein the one or more load sensors of the load sensor module comprises: at least one vertical load sensors coupled to the sensor region, wherein the at least one vertical load sensors is configured to detect a vertical load on the sensor region and to generate one or more vertical load measurements in response to the detected vertical load, wherein each one of the vertical load sensors is configured to provide the one or more vertical load measurements to be processed.
12. The gait analysis apparatus of claim 1, wherein the one or more load sensors of the load sensor module comprises: at least one for-aft load sensor coupled to the sensor region, wherein the at least one for- aft load sensor is configured to detect a for-aft load on the sensor region and to generate one or more for-aft load measurements in response to the detected for-aft load; and at least one vertical load sensor coupled to the sensor region, wherein the at least one vertical load sensor is configured to detect a vertical load on the sensor region and to generate one or more vertical load measurements in response to the detected vertical load; wherein each one of the for-aft and vertical load sensors is configured to provide one or more for-aft load measurements or the one or more vertical load measurements to be processed.
13. The gait analysis apparatus of claim 1, wherein the one or more load sensors of the load sensor module comprises a plurality of load sensors, which includes: at least one vertical load sensor coupled to the sensor region, wherein the at least one vertical load sensor is configured to detect a vertical load on the sensor region and to generate one or more vertical load measurements in response to the detected vertical load; and at least one lateral load sensor coupled to the sensor region, wherein the at least one lateral load sensor is configured to detect a lateral load on the sensor region and to generate one or more lateral load measurements in response to the detected lateral load; wherein each one of the vertical and lateral load sensors is configured to provide the one or more vertical load measurements or the one or more lateral load measurements to be processed.
14. The gait analysis apparatus of claim 1, wherein the one or more load sensors of the load sensor module comprises: a plurality of single-axis load sensors selected from the group consisting of at least one for-aft load sensors configured to measure the loads in the for-aft direction, at least one lateral load sensors configured to measure the loads in the lateral direction, and at least one vertical load sensors configured to measure the loads in the vertical direction, wherein each one of the single-axis load sensors is configured to provide each of the respective measurements of the loads to be processed.
15. The gait analysis apparatus of claim 1, wherein the sensor region comprises a first floor plate and a second floor plate that are disposed adjacently to one another, wherein the first floor plate is configured to be moved independently of the second floor plate.
16. The gait analysis apparatus of claim 3, wherein the load sensor module includes one or more load sensors and one or more restriction blocks, wherein the one or more restriction blocks are configured to act in place of the one or more load sensors and provide suspension in the plurality of directions to the gait analysis apparatus.
17. The gait analysis apparatus of claim 14, wherein the one or more restriction blocks are coupled to the sensor region and configured to move with the sensor region the limited amount of distance between the at least one pair of limiting members.
18. The gait analysis apparatus of claim 15, wherein the suspension assembly comprises: a pair of wire-rope assemblies that each include an inner threaded end and an outer threaded end affixed to opposite ends of a flexible cable; a pair of mounting brackets coupled to the bottom of the sensor region, wherein the mounting bracket of the pair of mounting brackets includes a hole to hold the flexible cable of each of the pair of wire-rope assemblies, wherein the inner threaded end of each of the each of the pair of wire-rope assemblies presses on opposite sides of a suspended holder, and wherein the outer threaded end of the pair of wire-rope assemblies pulls on the sides of each of the mounting bracket; and a coupling screw to attach the one or more restriction blocks to the suspended 10 holder, wherein the suspended holder is coupled to the sensor region and configured to move with the sensor region to limit movement of the sensor region relative to the load sensor module in one or more of the plurality of directions different from the suspension direction of the sensor region by the flexible link.
19. The gate analysis apparatus of claim 1, substantially as herein described with reference to any embodiment disclosed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762487944P | 2017-04-20 | 2017-04-20 | |
| PCT/US2018/027006 WO2018194886A1 (en) | 2017-04-20 | 2018-04-11 | Multidimensional acceleration and/or force gait analysis system for diagnosis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NZ759040A NZ759040A (en) | 2025-10-31 |
| NZ759040B2 true NZ759040B2 (en) | 2026-02-03 |
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