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PhysiCan - a device for automatic CPM exercises implementation over canines: Design and analysis.

A Erazo¹, S Cisneros², R Esparza²

¹Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, 2B60 Engineering Building, SK, Canada.

Research in Veterinary Science

|July 23, 2022

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Researchers designed an automated canine rehabilitation device for Continuous Passive Motion (CPM) exercises. This novel system allows customized routines and includes muscle activation feedback, addressing a gap in veterinary physical therapy.

Area of Science:

Veterinary Medicine
Biomedical Engineering
Rehabilitation Science

Background:

Continuous Passive Motion (CPM) devices are established in human physical therapy.
A significant gap exists in the literature for automated CPM devices specifically designed for canine rehabilitation.
Current canine rehabilitation often relies on manual techniques or less specialized equipment.

Purpose of the Study:

To design and analyze a novel automated device for implementing Continuous Passive Motion (CPM) exercises for canine hind limb rehabilitation.
To ensure the device adheres to established CPM guidelines and allows for customizable rehabilitation parameters.
To integrate an electromyography (EMG) module for real-time muscle activation feedback.

Main Methods:

Performed a detailed physical analysis of the canine hind limb to inform device design.

Keywords:

Canine rehabilitation Continuous-passive-motion exercises Electromyography Mobile app Powered orthosis

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Developed an automated device capable of executing CPM exercises with adjustable parameters.

Incorporated an electromyography (EMG) acquisition module with surface electrodes for muscle activity monitoring.

Validated the device's compliance with CPM exercise guidelines and assessed its angular position accuracy.

Main Results:

The designed device successfully implements automated CPM exercises for canine rehabilitation.
The system allows for flexible parameter settings to create customized rehabilitation routines.
An integrated EMG module provides user feedback on muscle activation during exercises.
The device achieved a range of motion of 80° with an angular position accuracy of approximately 2%.

Conclusions:

The developed automated CPM device is suitable for canine rehabilitation, addressing a need in veterinary physical therapy.
The device's customizable parameters and EMG feedback enhance the potential for effective and tailored canine rehabilitation programs.
Further development may focus on expanding the range of motion and refining angular accuracy for broader clinical application.