Pulse Oximeter Enclosure

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01Highlights
  • Compact fingertip clip-on form factor
  • Two-piece snap-fit shell with contrasting colours
  • Finger channel optimised for comfort and sensor contact
  • Medical-grade polycarbonate and ABS construction
  • Designed for single-hand operation
  • Ventilation slots for sensor heat dissipation
02Project Overview

A compact pulse oximeter enclosure designed for clinical and point-of-care SpO2 monitoring. The two-piece clip-on design features a white polycarbonate upper shell and blue ABS cradle, providing a clean medical aesthetic and intuitive finger insertion. The internal finger channel geometry is optimised for consistent optical sensor contact across a range of finger sizes, while ventilation slots manage sensor heat during prolonged monitoring sessions.

03Key Components
Medical-grade polycarbonate upper shellABS lower cradle with finger channelSpring-loaded clip hinge mechanismOptical sensor window and alignment featuresVentilation slots for thermal managementScrew-fastened assembly for serviceability
04Salient Features
  • Clip-on design for single-hand operation.
  • Optimised finger channel for consistent sensor contact.
  • Medical-grade materials for clinical environments.
  • Two-tone colour scheme for clear orientation.
  • Ventilated design for extended monitoring.
  • DFM-reviewed for injection moulding production.
05Scope of Work
01Medical device enclosure concept design
02Finger channel ergonomic study
033D CAD modelling and assembly detailing
04Material selection and biocompatibility review
05Hinge mechanism design and testing
06Design-for-manufacture documentation