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Endoscope Force Control


Endoscopes allow physicians to see inside the patient to find abnormalities during diagnostic, laparoscopic or exploratory procedures. The movements of these devices are guided by wires and provide little or no haptic feedback. This requires extensive training so that the operator can learn to visually assess the applied force. To make the controls more intuitive and improve operator fidelity, a force measurement system that can withstand sterilization processes is needed. This involves autoclavable load cells installed in-line with the control wires to create a haptic feedback control system for the endoscope.

How it works :

  1. Two miniature LCM100 type force transducers are installed in-line with the wires controlling the movement of the endoscope
  2. When the endoscope is moved, the sensors measure the force required to move the head.
  3. The force measurement is retrieved by the endoscope controller, allowing it to generate the appropriate feedback to the operator's commands.
  4. Autoclave" force transducers are designed to withstand the high pressure, temperature, and sterilized PH environment required to meet ISO/TC 198 and IP69K standards.
  5. Data captured from the sensor by the instrumentation can then be repurposed to further refine controls and be used for traceability requirements.