OPP-M200 (Bare) - MEMS-based fiber optic pressure sensor

OpSens’ MEMS-based fiber optic pressure sensor OPP-M is designed to measure physiological pressure in animals and humans.

These tiny 0.20 mm OD sensors are intended for use in catheters, guidewires, and other devices that identify physiological pressure in a minimally invasive manner. Its novel, patent-pending design reduces thermal zero shift and moisture-induced drift.

Clients who require a very compact size or want to create unique sensor packaging in-house for their products should consider the bare optical pressure sensors.

The OpSens OPP-M200 is ready for integration. Based on the OEM applications required by customers, encapsulation can be implemented to the sensor tip and/or the complete optical cable in a range of materials and sizes.

OpSens’ dedicated OEM team works with users to customize for their needs, reduce R&D costs, and tackle integration challenges, which reduces the overall cost of production and commercialization.

By incorporating Opsens WLPI signal conditioning technology (patent #7,259,862) with the obvious advantages of fiber optic, the OpSens OPP-M outlines the medical industry’s need for long-term precision, low-drift, reproducibility, and high fidelity pressure measurements in the existence of tough EM, MR, RF, and microwave areas.

Key features

  • Low cost
  • High superiority
  • Ultra-miniature
  • Safe and well-suited with MRI
  • EMI/RFI Immunity
  • Tailored sensor package
  • Simple catheter incorporation


  • Physiological pressure checking, such as:
    • Intravascular blood pressure
    • Cardiac assist applications
    • Intracranial pressure
    • Urodynamic
    • Intraocular
    • Intrauterine pressure
    • Intra-aortic balloon pumping
  • Measurement of pressure during electrosurgery, MRI-guided treatments, and MW/RF-related applications
  • Guidewires design (0.2, 5 mm OD model)
  • Catheter research and new product development design

Bare Sensor: MEMS-Based Fiber Optic Pressure Sensor

Image Credit: OpSens Medical


Source: OpSens Medical

Dimension (mm O.D.) 0,20 mm OD
Pressure range - 300 mmHg to + 350 mmHg (relative to atmospheric pressure)
Precision ±1 mmHg
Resolution 0.2 mmHg
Moisture drift (typical) <3 mmHg/28 days
Thermal coefficient of Zero (typical) 0.2 mmHg per °C
Proof pressure 4000 mmHg
Operating temperature 10 °C to 50 °C
Operating humidity range 0-100%
EM/RF/MR/MW susceptibility Complete immunity
Cable length 1.5 meters standard (Other lengths available)
Optical connector SC standard
Cable sheathing Customer specifications
Signal conditioner compatibility:best suited for MiniP OEM board, LifeSens and ProSens; also compatible with other Opsens WLPI signal.


NOTE: The FDA or any other relevant regulatory body has not approved the OPP-M product, however, it is aimed to be integrated into customer host systems.