510(k) · Cleared
ClearedCardiovascular Analzyer
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Physiowave, Inc. · DSB Plethysmograph, Impedance
Cleared on Mar 14, 2018 as substantially equivalent to K122129 (Atcor Medical, 2012) after a 215-day review. Its family tree reaches back 8 generations to 1991.
- Decided
- Mar 14, 2018
- Review
- 215 days
- Class
- Class II
- Product code
- DSB
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 8 generations to K903134 (1991). 31 ancestors in all, the oldest K872291 (1987). No later device cites it as a predicate yet.
- Root · 8 generations backK903134 Omron Auto Oscillometric Dig BP Mont/Hem-704C 705COmron Marshall Products, Inc. · 1991
- 7 generations backK970211 Microlife Automatic Blood Pressure MonitorMicro Weiss Electronics · 1998
- 6 generations backK013485 Microlife Upper Arm Automatic Blood Pressure Monitor, Model…Microlife Corp. · 2002
- 5 generations backK041411 Microlife Upper Arm Blood Pressure Monitor, Model BP-3BTO-APMicrolife Corp. · 2004
- 4 generations backK060686 Microlife Automatic Blood Pressure Monitor, Model BP3AC1-1PCMicrolife Intellectual Property GmbH · 2006
- 3 generations backK081590 YA Horng Arm Type Digital Blood Pressure Monitor, Models BP-600…Ya Horng Electronic Co., Ltd. · 2008
- 2 generations backK083093 Cheetah ReliantCheetah Medical, Inc. · 2008 · Recalled
- 1 generation backK122129 Sphygmocor XcelAtcor Medical · 2012
- This deviceK172431 Cardiovascular AnalzyerPhysiowave, Inc. · 2018
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −8 | K903134 | Omron Auto Oscillometric Dig BP Mont/Hem-704C 705C | Omron Marshall Products, Inc. | 1991 | — |
| −7 | K970211 | Microlife Automatic Blood Pressure Monitor | Micro Weiss Electronics | 1998 | — |
| −6 | K013485 | Microlife Upper Arm Automatic Blood Pressure Monitor, Model BP-3BTO-1, with… | Microlife Corp. | 2002 | — |
| −5 | K041411 | Microlife Upper Arm Blood Pressure Monitor, Model BP-3BTO-AP | Microlife Corp. | 2004 | — |
| −4 | K060686 | Microlife Automatic Blood Pressure Monitor, Model BP3AC1-1PC | Microlife Intellectual Property GmbH | 2006 | — |
| −3 | K081590 | YA Horng Arm Type Digital Blood Pressure Monitor, Models BP-600, BP-600R… | Ya Horng Electronic Co., Ltd. | 2008 | — |
| −2 | K083093 | Cheetah Reliant | Cheetah Medical, Inc. | 2008 | 1 |
| −1 | K122129 | Sphygmocor Xcel | Atcor Medical | 2012 | — |
| 0 (this device) | K172431 | Cardiovascular Analzyer | Physiowave, Inc. | 2018 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1993 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 0 |
| 2004 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
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 DSB? 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 DSB device
- #1 K232089 SOZO Proscore 14.6 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K122129 | Sphygmocor XcelSummary page 5…zer’s Pulse Wave Velocity (PWV) and Pulse Rate (PR) measurements are substantially equivalent to the primary predicate, AtCor Medical SphygmoCor® XCEL (K122129). Secondary: The Cardiovascular Analyzer also provides Body Weight (BW) and calculates Body Mass Inde… | 2012 |
| * | — | Detecto Solo® scale Named without a submission number |
What descends from it?
No later submission names this one as a predicate yet.
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 27 years and passes through 8 companies; a new generation was cleared every 3.7 years on median.
- 1 of the 31 ancestors has a recall of any class.
- 2 other devices also cite its predicate K122129.
How does its category compare?
All DSB devicesDSB Plethysmograph, Impedance: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.
FDA decisions per year · DSB
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DSB
266in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DSB
1in 2015
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DSB
2in 2025
MAUDE reports naming product code DSB, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 2 | — | 0 | 0 |
| 2008 | 6 | 90 | 0 | 0 |
| 2009 | 2 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 2 | — | 0 | 0 |
| 2012 | 1 | — | 0 | 0 |
| 2013 | 2 | — | 0 | 0 |
| 2014 | 2 | — | 0 | 0 |
| 2015 | 2 | — | 1 | 0 |
| 2016 | 0 | — | 0 | 1 |
| 2017 | 2 | — | 0 | 0 |
| 2018 | 1 | — | 0 | 0 |
| 2019 | 1 | — | 0 | 0 |
| 2020 | 2 | — | 0 | 0 |
| 2021 | 1 | — | 0 | 0 |
| 2022 | 1 | — | 0 | 0 |
| 2023 | 2 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 3 | 266 | 0 | 2 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
The Cardiovascular Analyzer is intended to obtain Pulse Wave Velocity (PWV) and Pulse Rate (PR) through a combination of impedance plethysmography and weight measurements in adults 18 years of age and older. The Cardiovascular Analyzer also measures Body Weight and calculates BMI.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K172431 · printed Nov 6, 2026
Cite this page
510(k) Report. “K172431: Cardiovascular Analzyer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K172431
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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