SFK

Respiratory Effort Belt For Polysomnography

Product code
SFK
Device name
Respiratory Effort Belt For Polysomnography
Device class
Class 2
21 CFR
21 CFR 882.1400
Medical specialty
Neurology
Marketing pathway
510(K)
510(k) clearances (last 3 years)
1

FDA classification definition

To assess respiratory/breathing effort by measuring the movement of chest and abdominal walls. The belts function as accessories to sleep/polysomnography (PSG) and home sleep apnea test (HSAT) systems.

Definition text from the FDA device classification database (U.S. federal government work, public domain).

510(k) clearances, last 3 years (1)

Last three years. Most recent: 2025-08-29.

NumberDecision dateApplicantDevice nameSummary
K2514802025-08-29Neurotronics, LLCPV01 PVDF Effort SensorPDF

1 summaries are archived here for direct download.

Official FDA classification page: SFK
Classification and pathway per current FDA publications. Data from openFDA (CC0).