510(k) Report

510(k) · Cleared

Cleared

Bioz System & Bioz Portable

K972320510(k) TraditionalCleared Sep 11, 199780-day reviewClass II21 CFR 870.2770

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

Cardiodynamics International Corp. · DSB Plethysmograph, Impedance

Cleared on Sep 11, 1997 after an 80-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 20 later devices descend from it.

Decided
Sep 11, 1997
Review
80 days
Class
Class II
Product code
DSB
Recalls
None
Predicates
0

20 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 1998: 1 descendant cleared2004: 2 descendants cleared2020: 1 descendant cleared2011: 2 descendants cleared2005: 2 descendants cleared2008: 2 descendants cleared2007: 1 descendant cleared2023: 1 descendant cleared2009: 2 descendants cleared2010: 1 descendant cleared2017: 1 descendant cleared2014: 1 descendant cleared2012: 1 descendant cleared2018: 2 descendants cleared1995200020052010201520202025
  1. This deviceK972320 Bioz System & Bioz PortableCardiodynamics International Corp. · 1997
  2. Descendant · cites it directly · 19 of its ownK974725 Bioz.Com SystemCardiodynamics International Corp. · 1998
  3. Descendant · 2 generations on · 11 of its ownK041434 C3 and Lifegard Icg Impedance Cardiography MonitorsAnalogic Corp. · 2004
  4. Descendant · 2 generations on · 9 of its ownK041294 Biozdx Hemodynamic MonitorCardiodynamics International Corp. · 2004
  5. Descendant · 3 generations on · 5 of its ownK051228 Biozdx Hemodynamic Monitor and 12-Lead EcgCardiodynamics International Corp. · 2005
  6. Descendant · 3 generations on · 4 of its ownK060387 Physioflow SystemVasocom, Inc. · 2008

Showing 5 of 20 descendants. See all descendants

Descendants cleared per year

1998: 12004: 22005: 22007: 12008: 22009: 22010: 12011: 22012: 12014: 12017: 12018: 22020: 12023: 1
1998high 2 (2004) · low 0 (1999)2026

Most influential descendants

Showing 5 of 20 · See all
  • K974725Bioz.Com SystemCardiodynamics International Corp. · 1998 · cites it directly19descendants
  • K041434C3 and Lifegard Icg Impedance Cardiography MonitorsAnalogic Corp. · 2004 · 2 generations on11descendants
  • K041294Biozdx Hemodynamic MonitorCardiodynamics International Corp. · 2004 · 2 generations on9descendants
  • K051228Biozdx Hemodynamic Monitor and 12-Lead EcgCardiodynamics International Corp. · 2005 · 3 generations on5descendants
  • K060387Physioflow SystemVasocom, Inc. · 2008 · 3 generations on4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K972320Bioz System & Bioz PortableCardiodynamics International Corp.1997—
+1K974725Bioz.Com SystemCardiodynamics International Corp.1998—
+2K041434C3 and Lifegard Icg Impedance Cardiography MonitorsAnalogic Corp.2004—
+2K041294Biozdx Hemodynamic MonitorCardiodynamics International Corp.2004—
+3K051228Biozdx Hemodynamic Monitor and 12-Lead EcgCardiodynamics International Corp.2005—
+3K060387Physioflow SystemVasocom, Inc.2008—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
200420
200520
200710
200820
200920
201010
201120
201210
201410
201710
201820
202010
202310
FIG. 1 — Lineage of K972320, 1997–2023Source: 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 510(k) statement (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. #1 K232089 SOZO Proscore 14.6 · 9 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?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (20)

See all 20

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K974725Bioz.Com SystemCardiodynamics International Corp.199819

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?

  • Of its descendants, K974725 (Cardiodynamics International Corp., 1998) has gone furthest, with 19 descendants of its own.

How does its category compare?

All DSB devices

DSB Plethysmograph, Impedance: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DSB

3in 2025

2007: 22008: 62009: 22010: 12011: 22012: 12013: 22014: 22015: 22017: 22018: 12019: 12020: 22021: 12022: 12023: 22025: 32026 (partial year): 1
2007high 6 (2008) · low 0 (2016)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DSB

266in 2025

2008: 90 days median2025: 266 days median
2007high 266 (2025) · low 90 (2008)2026

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

Recalls per year · DSB

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 · DSB

2in 2025

2016: 12025: 2
2007high 2 (2025) · low 0 (2007)2025

MAUDE reports naming product code DSB, 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
20072—00
200869000
20092—00
20101—00
20112—00
20121—00
20132—00
20142—00
20152—10
20160—01
20172—00
20181—00
20191—00
20202—00
20211—00
20221—00
20232—00
20240—00
2025326602
20261—0—

What is it indicated for?

The BioZ System was designed to monitor a patients hemodynamic parameters. These include ECG, HR, PEP, LVET, STR, SV, S1, CO, CI, SVR. SVRI, EDV, EDI, IC, ACI, LCW and TFC.

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K972320: Bioz System & Bioz Portable.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K972320

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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