Fingertip Oximeter

A fingertip oximeter is a non-invasive medical device measuring blood oxygen saturation (SpO2) and heart rate by analysing light absorption through fingertip tissue enabling rapid assessment of patient oxygenation status. The portable approach provides immediate clinical assessment without requiring laboratory analysis or venipuncture.

Premium fingertip oximeters employ light-emitting diodes (LEDs) transmitting red (typically 660 nanometre) and infrared (typically 940 nanometre) light through fingertip tissue. Photodiodes detect transmitted light intensity variations with arterial pulsations. Microprocessor analysis computes oxygen saturation through comparison of red and infrared light absorption patterns characteristic of oxygenated versus deoxygenated haemoglobin. Display provides real-time SpO2 percentage (typically 70–100% range) and heart rate (typically 35–250 beats per minute range).

Operational specifications include measurement accuracy typically ±2% SpO2 enabling clinical decision-making, heart rate accuracy typically ±2 beats per minute, and response time <30 seconds enabling rapid assessment. Battery-powered operation enables portable deployment without external power infrastructure.

Clinical applications include respiratory distress assessment identifying oxygenation compromise, anaesthesia monitoring verifying adequate oxygenation during surgical procedures, sleep apnoea diagnosis detecting intermittent oxygen desaturation, and occupational health monitoring workers in hazardous environments. Rapid assessment enables immediate clinical intervention.

Environmental operation across 10–40°C temperature ranges supports deployment across diverse settings. Water-resistant designs enable operation in wet conditions.

In Pakistan, fingertip oximeters support medical facilities and emergency response operations.

Tactical Supply Pakistan supplies fingertip oximeter systems for clinical assessment and vital sign monitoring applications.