Cleared Traditional

K231561 - Pulmonary Function Tester, Model: A9 (FDA 510(k) Clearance)

Class II Anesthesiology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Feb 2024
Decision
266d
Days
Class 2
Risk

K231561 is an FDA 510(k) clearance for the Pulmonary Function Tester, Model: A9. Classified as Calculator, Predicted Values, Pulmonary Function (product code BTY), Class II - Special Controls.

Submitted by Guangzhou Homesun Medical Technology Co., Ltd. (Guangzhou, CN). The FDA issued a Cleared decision on February 21, 2024 after a review of 266 days - an extended review cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1890 - the FDA anesthesiology and respiratory device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Anesthesiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Guangzhou Homesun Medical Technology Co., Ltd. devices

Submission Details

510(k) Number K231561 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 31, 2023
Decision Date February 21, 2024
Days to Decision 266 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
127d slower than avg
Panel avg: 139d · This submission: 266d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code BTY Calculator, Predicted Values, Pulmonary Function
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.1890
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Anesthesiology devices follow this clearance model.

Regulatory Consultant

Feiying Drug & Medical Consulting Technical Service Group
Tracy Che

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - BTY Calculator, Predicted Values, Pulmonary Function

All 62
Devices cleared under the same product code (BTY) and FDA review panel - the closest regulatory comparables to K231561.
Ascent Cardiorespiratory Diagnostic Software
K242809 · Medical Graphics Corporation · Oct 2024
SpiroSphere, SpiroSphereECG, CardioSphere
K223629 · Eresearchtechnology GmbH · May 2024
Virtus Metabolic Monitor
K222982 · Virtus Technology Aps · Jun 2023
Model 9100 PFT/DICO
K221030 · Vitalograph (Ireland) , Ltd. · Jul 2022
MasterScope, MasterScope CT, MasterScope ECG, MasterScope WSSU
K202754 · Eresearchtechnology GmbH · Jan 2021