Cleared Traditional

K171245 - Presygen/si-1 (FDA 510(k) Clearance)

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

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Aug 2018
Decision
468d
Days
Class 2
Risk

K171245 is an FDA 510(k) clearance for the Presygen/si-1. Classified as Oximeter, Tissue Saturation (product code MUD), Class II - Special Controls.

Submitted by Christie Medical Holdings, Inc. (Memphis, US). The FDA issued a Cleared decision on August 9, 2018 after a review of 468 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2700 - the FDA cardiovascular device oversight framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: High-complexity regulatory submission. Elevated predicate reliance profile. The extended review timeline suggests the FDA required additional documentation before confirming substantial equivalence - a pattern common in complex or first-of-kind Cardiovascular submissions.

View all Christie Medical Holdings, Inc. devices

Submission Details

510(k) Number K171245 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 28, 2017
Decision Date August 09, 2018
Days to Decision 468 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
343d slower than avg
Panel avg: 125d · This submission: 468d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MUD Oximeter, Tissue Saturation
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2700
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 Cardiovascular devices follow this clearance model.

Regulatory Peers - MUD Oximeter, Tissue Saturation

All 72
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