Prosthetic Lock Sensing Using Reed Sensors

Prosthetic arms rely on precise mechanisms to ensure proper attachment and function. The arm must be securely locked in place on the base or receptacle for proper control and usage. Normally, the user aligns the prosthetic arm, twists it into position, and relies on mechanical components for locking. This method lacks the precision and feedback necessary to ensure the arm is correctly positioned and ready for use, which can lead to discomfort or improper function.

Customized ultra-miniature Reed sensors offer the right solution to improve the locking mechanism of prosthetic arms. These sensors are sensitive to magnetic fields and can detect the exact moment when the arm is properly aligned and locked into place. By integrating reed sensors on the prosthetic arm and a magnet on the receptacle, the system can provide immediate feedback when the arm is twisted into the correct position and locked safely. This feedback not only ensures that the arm is secured but also activates the control circuit, enabling the prosthetic arm’s functionality.

When the user positions the arm and twists it clockwise into the snap-fit lock, the reed sensor detects the magnetic field generated by the magnet. This sensor actuation sends a signal to the control circuit, confirming that the arm is locked and securely in place. Once the arm is locked, the control circuit is activated, allowing the user to control and operate the prosthetic arm with confidence.

The use of reed sensors in prosthetic arm locking mechanisms enhances safety and usability. By providing real-time feedback on the arm’s locking status, these reed sensors ensure that the prosthetic is correctly attached, preventing potential issues and enabling seamless operation for the user. Reed sensor technology thus plays a vital role in improving the functionality and user experience of prosthetic arms.

Application Classification

Applications are classified as Position Sensing, Pulse Counting, Electromagnetic or Relay, Temperature Sensing or Magnet Biasing types. This application is classified as follows and the link gives more information on best practices to help select the most suitable AT band and matching magnet.

Position sensing Type

When an application requires the end position of a movement sensed, or the sensing of a part when it comes into a zone, or when the Continue reading -> Sep 29, 2024

Recommended Products

The Reed Switches and Sensors used in such prosthetic arm applications need to be robust, durable and efficient in meeting a high life expectancy. Our engineers work hard in life testing our products under various conditions, and our intention is to ensure end product durability and life. Although we wouldn’t want to restrict any of our products for use in only certain applications, the recommended products for use in this application are listed below.

Ultra Miniature Reed Sensors, R5

R5-J SMD Reed SensorR5-J Reed Sensor PCB Layout drawingR5-J Carrier TapeR5-S SMD Reed SensorR5-S Reed Sensor PCB Layout drawingR5-S Continue reading -> Sep 29, 2024

R4 Ultra Miniature SMD Reed Sensor

R4-S SMD Reed SensorR4-S Reed Sensor PCB Layout drawingR4-F SMD Reed SensorR4-F Reed Sensor PCB Layout drawingR4 Reed Sensor Packing Continue reading -> Sep 29, 2024

Micro Miniature Reed Sensor, R3

R3S Miniature Reed Sensor drawingR3S Reed Sensor PCB Layout drawingR3F Miniature Reed Sensor drawingR3F Reed Sensor PCB Layout drawingR3 Continue reading -> Sep 29, 2024