510(k) · Cleared

Cleared

Propaq 102, 104 and 106

K910772510(k) TraditionalCleared Apr 12, 199149-day reviewClass II21 CFR 870.1130

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

Protocol Systems, Inc. · DXN System, Measurement, Blood-Pressure, Non-Invasive

Cleared on Apr 12, 1991 after a 49-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 of the 436 devices in its family, counting itself, has a Class I recall. 435 later devices descend from it.

Decided: Apr 12, 1991
Review: 49 days
Class: Class II
Product code: DXN
Recalls: None
Predicates: 0

435 later devices descend from it, 2 citing it directly. 1 of the 436 devices in this family, counting this one, has a Class I recall.

This deviceK910772 Propaq 102, 104 and 106Protocol Systems, Inc. · 1991
Descendant · cites it directly · 427 of its ownK972020 Oscillomate Non-Invasive Blood Pressure MonitorCas Medical Systems, Inc. · 1998
Descendant · 2 generations on · 426 of its ownK980879 Oscillomate Nibp / SP02 Ems MonitorCas Medical Systems, Inc. · 1998
Descendant · 3 generations on · 425 of its ownK982776 9303 Neonatal/Adult Vital Signs MonitorCas Medical Systems, Inc. · 1998
Descendant · 3 generations on · 272 of its ownK033048 Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS…Cas Medical Systems, Inc. · 2004 · Recalled
Descendant · 4 generations on · 264 of its ownK050844 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL…Cas Medical Systems, Inc. · 2005

Showing 5 of 435 descendants. See all descendants

Descendants cleared per year

1998high 31 (2025) · low 0 (1999)2026

Class I recalls in this family

K123690 CAPNOSTREAM20P with Hifi C02 Monitoring11 generations on · 2014

Most influential descendants

Showing 5 of 435 · See all

K972020Oscillomate Non-Invasive Blood Pressure MonitorCas Medical Systems, Inc. · 1998 · cites it directly427descendants
K980879Oscillomate Nibp / SP02 Ems MonitorCas Medical Systems, Inc. · 1998 · 2 generations on426descendants
K9827769303 Neonatal/Adult Vital Signs MonitorCas Medical Systems, Inc. · 1998 · 3 generations on425descendants
K033048Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL, 740M-2NL…Cas Medical Systems, Inc. · 2004 · 3 generations on272descendants
K050844750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL, 750C-3MS…Cas Medical Systems, Inc. · 2005 · 4 generations on264descendants

View FIG. 1 as a table

Line of descent and top descendants

Generation	Number	Device	Applicant	Decided	Recalls
0 (this device)	K910772	Propaq 102, 104 and 106	Protocol Systems, Inc.	1991	—
+1	K972020	Oscillomate Non-Invasive Blood Pressure Monitor	Cas Medical Systems, Inc.	1998	—
+2	K980879	Oscillomate Nibp / SP02 Ems Monitor	Cas Medical Systems, Inc.	1998	—
+3	K982776	9303 Neonatal/Adult Vital Signs Monitor	Cas Medical Systems, Inc.	1998	—
+3	K033048	Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL…	Cas Medical Systems, Inc.	2004	1
+4	K050844	750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL…	Cas Medical Systems, Inc.	2005	—

Descendants by year cleared

Year cleared	Devices	With a Class I recall
1998	3	0
2002	2	0
2003	1	0
2004	6	0
2005	5	0
2006	6	0
2007	6	0
2008	6	0
2009	14	0
2010	13	0
2011	16	0
2012	26	0
2013	30	0
2014	25	1
2015	20	0
2016	19	0
2017	24	0
2018	23	0
2019	25	0
2020	25	0
2021	14	0
2022	29	0
2023	23	0
2024	25	0
2025	31	0
2026	18	0

FIG. 1 — Lineage of K910772, 1991–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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

1 device in this family has a Class I recall. 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 DXN device

#1 K222125 Arm Blood Pressure Monitor, models AOJ-30A…score 18.5 · 8 generations · no Class I recall
#2 Held for the reportin the report
#3 Held for the reportin the report

Get a 510(k) Report

What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (435)

See all 435

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

Number	Device	Applicant	Decided	Descendants
K972020	Oscillomate Non-Invasive Blood Pressure Monitor	Cas Medical Systems, Inc.	1998	427
K101264	Tempus IC Professional Patient Monitor	Remote Diagnostic Technologies, Ltd.	2010	16

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

K123690CAPNOSTREAM20P with Hifi C02 MonitoringOridion Medical 1987, Ltd. · 2014 · 11 generations on · ◆ in the 2014 descendants bar of FIG. 11 Class I recall

What does this lineage say?

Of its descendants, K972020 (Cas Medical Systems, Inc., 1998) has gone furthest, with 427 descendants of its own.

How does its category compare?

All DXN devices

DXN System, Measurement, Blood-Pressure, Non-Invasive: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DXN

28in 2025

2007high 46 (2009) · low 17 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXN

142in 2025

2007high 235 (2018) · low 72 (2011)2026

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

Recalls per year · DXN

3in 2024

2007high 3 (2009) · low 0 (2007)2026

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

Adverse event reports per year · DXN

239in 2025

2007high 617 (2018) · low 8 (2008)2025

MAUDE reports naming product code DXN, 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	27	118	0	21
2008	23	82	1	8
2009	46	73	3	17
2010	43	94	0	14
2011	34	72	1	10
2012	36	116	0	19
2013	34	150	1	72
2014	29	133	0	47
2015	30	97	0	62
2016	30	144	1	54
2017	33	184	0	90
2018	22	235	0	617
2019	33	156	1	96
2020	24	198	0	130
2021	23	190	0	162
2022	25	137	0	155
2023	35	182	0	162
2024	17	107	3	270
2025	28	142	0	239
2026	29	147	0	—

https://510kreport.com/device/K910772 · printed Nov 6, 2026

Cite this page

510(k) Report. “K910772: Propaq 102, 104 and 106.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K910772

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Record history

FDA decision record loaded May 2, 2026
Lineage and recalls computed Nov 3, 2026
Page last updated Nov 3, 2026