Fetal Monitor M2736A Avalon FM20/30 TOCO Ultrasound Probe With 90 Days Warranty

The M2736A Avalon FM20/30 TOCO Ultrasound Probe is a critical component of Avalon FM series fetal monitors, designed for monitoring maternal and fetal health during pregnancy and labor. Below is a detailed introduction based on the search results:

Key Features and Functionality
Compatibility:

• The M2736A probe is compatible with Avalon FM20/30/50 fetal monitors 4915. These devices are widely used in intrapartum care for tracking fetal heart rate (FHR) and uterine contractions (tocodynamometry, or TOCO).
• Dual Monitoring Capability:
• Combines ultrasound technology for fetal heart rate detection and TOCO sensors to measure uterine contractions. This allows simultaneous tracking of fetal well-being and maternal labor progression 15.
• Smart Pulse Technology:
• proprietary Smart Pulse and cross-channel verification ensure accurate differentiation between maternal and fetal heart rates, reducing false readings caused by signal overlap . This is critical in avoiding misinterpretations during high-risk deliveries.
• Safety and Accuracy:
• Designed with low ultrasound power output to ensure safety for both mother and fetus . However, improper use (e.g., misapplying the ultrasound transducer to the mother instead of the fetus) can lead to errors, as noted in an adverse event report involving the FM50 model .
• Technical Specifications

Parameters:

• External Fetal Monitoring: Supports ultrasound (US) and tocodynamometry (TOCO).
• Internal Monitoring: Optional integration with DECG (direct electrocardiography) and IUP (intrauterine pressure) sensors.
• Twin/Triplet Capability: Standard for twins, optional for triplets.
• Data Storage: Buffers up to one hour of monitoring data for retrospective analysis.
• Battery Life: Up to 4 hours with optional battery support.

Clinical Applications

1. Intrapartum Monitoring: Used during labor to assess fetal heart rate variability and uterine contraction patterns, aiding in decisions about delivery timing (e.g., vaginal vs. cesarean) .
2. Non-Stress Tests (NST): Evaluates fetal well-being in high-risk pregnancies by analyzing heart rate responses to movement.
3. Multi-Fetal Pregnancies: Compatible with twin and triplet monitoring, though additional probes may be required .
4. Safety and Maintenance
5. Alarm Systems: Generates alerts for abnormal FHR patterns (e.g., bradycardia, tachycardia) and signal loss. In the FM50 incident, alarms were triggered but overlooked due to user error .
6. Probe Maintenance: Reusable transducers require regular calibration and cleaning to prevent cross-contamination.
7. Training Requirements: Proper training is essential to avoid misapplication, as highlighted in the FDA adverse event report where incorrect transducer use contributed to a fetal death .
8. Comparison with Similar Probes
9. eFM-60 Bluetooth Probe: Competitors like Luckcome’s eFM-60 offer wireless monitoring and cloud data storage but lack Phiips’ Smart Pulse technology .
10. Legacy Models: The FM20/30 series predates the FM50 but shares core functionalities, such as TOCO and ultrasound integration

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