510(k) Report

510(k) · Cleared

Cleared

OptoMonitor

K192340510(k) TraditionalCleared Dec 12, 2019106-day reviewClass II21 CFR 870.2870

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Opsens, Inc. · DXO Transducer, Pressure, Catheter Tip

Cleared on Dec 12, 2019 as substantially equivalent to K142598 (Opsens, Inc., 2015) and 2 other predicates after a 106-day review. Its family tree reaches back 7 generations to 1982. 7 later devices descend from it.

Decided
Dec 12, 2019
Review
106 days
Class
Class II
Product code
DXO
Recalls
None
Predicates
3

Its longest line of descent runs back 7 generations to K823434 (1982). 18 ancestors in all. 7 later devices descend from it, 2 citing it directly.

  1. Root · 7 generations backK823434 Mikro-Tip Catheter Pressure TransducerMillar Instruments, Inc. · 1982
  2. 6 generations backK965140 Cardiometrics Wavewire/Wavemap Pressure SystemCardio Metrics, Inc. · 1997
  3. 5 generations backK021219 Smartwire/Smartmap Pressure SystemJomed, Inc. · 2002
  4. 4 generations backK070487 Smartwire Pressure Guide Wire, Model 66XXVolcano Corporation · 2007
  5. 3 generations backK100930 Primewire Prestiage Pressure Guide Wire, Models 8185, 8185J, 8300…Volcano Corporation · 2010
  6. 2 generations backK111395 Primewire Prestige PlusVolcano Corporation · 2011 · Recalled
  7. 1 generation backK142598 Opto Wire and OptoMonitor SystemOpsens, Inc. · 2015
  8. This deviceK192340 OptoMonitorOpsens, Inc. · 2019
  9. Descendant · cites it directly · 6 of its ownK193620 OptoMonitor 3Opsens, Inc. · 2020
  10. Descendant · cites it directly · 5 of its ownK202943 OptoMonitor 3Opsens, Inc. · 2020
  11. Descendant · 2 generations on · 4 of its ownK213854 SavvyWireOpsens, Inc. · 2022
  12. Descendant · 3 generations on · 1 of its ownK241418 OptoMonitor 3Opsens, Inc. · 2025
  13. Descendant · 4 generations on · 0 of its ownK251367 OptoMonitor 3Opsens, Inc. · 2026

Showing 5 of 7 descendants. See all descendants

Descendants cleared per year

2020: 22022: 12024: 12025: 12026: 2
2020high 2 (2020) · low 0 (2021)2026

Most influential descendants

Showing 5 of 7 · See all
  • K193620OptoMonitor 3Opsens, Inc. · 2020 · cites it directly6descendants
  • K202943OptoMonitor 3Opsens, Inc. · 2020 · cites it directly5descendants
  • K213854SavvyWireOpsens, Inc. · 2022 · 2 generations on4descendants
  • K241418OptoMonitor 3Opsens, Inc. · 2025 · 3 generations on1descendant
  • K251367OptoMonitor 3Opsens, Inc. · 2026 · 4 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K823434Mikro-Tip Catheter Pressure TransducerMillar Instruments, Inc.1982—
−6K965140Cardiometrics Wavewire/Wavemap Pressure SystemCardio Metrics, Inc.1997—
−5K021219Smartwire/Smartmap Pressure SystemJomed, Inc.2002—
−4K070487Smartwire Pressure Guide Wire, Model 66XXVolcano Corporation2007—
−3K100930Primewire Prestiage Pressure Guide Wire, Models 8185, 8185J, 8300, 8300JVolcano Corporation2010—
−2K111395Primewire Prestige PlusVolcano Corporation20111
−1K142598Opto Wire and OptoMonitor SystemOpsens, Inc.2015—
0 (this device)K192340OptoMonitorOpsens, Inc.2019—
+1K193620OptoMonitor 3Opsens, Inc.2020—
+1K202943OptoMonitor 3Opsens, Inc.2020—
+2K213854SavvyWireOpsens, Inc.2022—
+3K241418OptoMonitor 3Opsens, Inc.2025—
+4K251367OptoMonitor 3Opsens, Inc.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198610
199110
199220
199310
199420
199510
199620
200410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202020
202210
202410
202510
202620
FIG. 1 — Lineage of K192340, 1982–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in DXO? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new DXO device

  1. #1 K241418 OptoMonitor 3score 14.8 · 11 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (3)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K142598Opto Wire and OptoMonitor System
Summary page 4
…on name: Transducer, pressure, catheter tip (870.2870) Regulatory Class: II Product Code: DXO 5.3 PREDICATE DEVICE OptoMonitor System cleared via K142598 (cleared on 06/12/2015). 5.4 REFERENCE DEVICE The dPR index calculation algorithm software upgrade subject to this submission i…
Opsens, Inc.2015—
*K111395Primewire Prestige Plus
Summary page 7
…510(k)# K182126 K142598 K173860 Information Predicates K142598 K111395 K133323 K041134 K17013…
Volcano Corporation20111
*K041134Combomap Pressure and Flow System
Summary page 7
…Information Predicates K142598 K111395 K133323 K041134 K170133…
Volcano Therapeutics, Inc.2004—
†K173860s5 Intravascular Ultrasound Imaging and Pressure Systems, s5i Intravascular Ultrasound…Volcano Corporation2018—

Also cleared against K142598: 3 other devices →

What descends from it? (7)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K193620OptoMonitor 3Opsens, Inc.20206
K202943OptoMonitor 3Opsens, Inc.20205

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 37 years and passes through 5 companies; a new generation was cleared every 4.5 years on median.
  • 1 of the 18 ancestors has a recall of any class.
  • Of its descendants, K193620 (Opsens, Inc., 2020) has gone furthest, with 6 descendants of its own.
  • 3 other devices also cite its predicate K142598.

How does its category compare?

All DXO devices

DXO Transducer, Pressure, Catheter Tip: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · DXO

1in 2025

2007: 12008: 12010: 12011: 12012: 12013: 12014: 32015: 22016: 22017: 22018: 12019: 42020: 22022: 12024: 12025: 12026 (partial year): 1
2007high 4 (2019) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXO

120in 2019

2014: 176 days median2019: 120 days median
2007high 176 (2014) · low 120 (2019)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · DXO

1in 2015

2015: 1
2007high 1 (2015) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · DXO

183in 2025

2007: 32008: 22009: 82010: 742011: 1112012: 822013: 932014: 852015: 1142016: 1522017: 1862018: 1792019: 1532020: 1582021: 1162022: 1442023: 1942024: 1972025: 183
2007high 197 (2024) · low 2 (2008)2025

MAUDE reports naming product code DXO, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—03
20081—02
20090—08
20101—074
20111—0111
20121—082
20131—093
20143176085
20152—1114
20162—0152
20172—0186
20181—0179
201941200153
20202—0158
20210—0116
20221—0144
20230—0194
20241—0197
20251—0183
20261—0—

What is it indicated for?

To measure pressure in blood vessels including both coronary and peripheral vessels, during diagnostic angiography and/or any interventional procedures.

Blood pressure measurements provide hemodynamic information, such as fractional flow reserve, for the diagnosis and treatment of blood vessel disease.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K192340: OptoMonitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K192340

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026