510(k) Report

510(k) · Cleared

Cleared

Carematix Wellness System

K031840510(k) TraditionalCleared Oct 10, 2003116-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

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

Cleared on Oct 10, 2003 as substantially equivalent to K023749 (Philips Medical Systems, 2002) and 3 other predicates after a 116-day review. Its family tree reaches back 5 generations to 1987. 90 later devices descend from it.

Decided
Oct 10, 2003
Review
116 days
Class
Class II
Product code
DXN
Recalls
None
Predicates
4

Its longest line of descent runs back 5 generations to K864318 (1987). 14 ancestors in all, the oldest K790130 (1979). 90 later devices descend from it, 4 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2001: 2 other ancestors1996: 1 other ancestor1979: 1 other ancestor1987: 2 other ancestors1995: 1 other ancestor1993: 1 other ancestor1988: 1 other ancestor2004: 2 descendants cleared2005: 3 descendants cleared2009: 12 descendants cleared2006: 10 descendants cleared2010: 7 descendants cleared2007: 5 descendants cleared2013: 13 descendants cleared2008: 6 descendants cleared2012: 6 descendants cleared2011: 10 descendants cleared2014: 5 descendants cleared2018: 3 descendants cleared2017: 3 descendants cleared2022: 2 descendants cleared2025: 1 descendant cleared2015: 1 descendant cleared2020: 1 descendant clearedK864318 · The Buddy System/Health Information System · The Buddy Systems, Inc. · 1987K952979 · Hanc Network · Healthtech Services Corp. · 1996K964408 · Poseidon Cardiac Monitoring System (PCMS) · Instromedix, Inc. · 1997K993169 · Modification of: Physiological Signal Transmitter and Receiver, Model 3810A · Hewlett-Packard Co. · 1999K023749 · The M3810A Philips Telemonitoring System with M3812B Telestation (M310A/12B) · Philips Medical Systems · 200219801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 2 other ancestors3 generations back: 1 other ancestor4 generations back: 4 other ancestors 1 generation forward: 4 descendants2 generations forward: 23 descendants3 generations forward: 22 descendants4 generations forward: 21 descendants5 generations forward: 13 descendants6 generations forward: 6 descendants7 generations forward: 1 descendant K023749 · The M3810A Philips Telemonitoring System with M3812B Telestation (M310A/12B) · Philips Medical Systems · 2002K993169 · Modification of: Physiological Signal Transmitter and Receiver, Model 3810A · Hewlett-Packard Co. · 1999K964408 · Poseidon Cardiac Monitoring System (PCMS) · Instromedix, Inc. · 1997K952979 · Hanc Network · Healthtech Services Corp. · 1996K864318 · The Buddy System/Health Information System · The Buddy Systems, Inc. · 1987−50+5
  1. Root · 5 generations backK864318 The Buddy System/Health Information SystemThe Buddy Systems, Inc. · 1987
  2. 4 generations backK952979 Hanc NetworkHealthtech Services Corp. · 1996
  3. 3 generations backK964408 Poseidon Cardiac Monitoring System (PCMS)Instromedix, Inc. · 1997
  4. 2 generations backK993169 Modification of: Physiological Signal Transmitter and Receiver…Hewlett-Packard Co. · 1999
  5. 1 generation backK023749 The M3810A Philips Telemonitoring System with M3812B Telestation…Philips Medical Systems · 2002
  6. This deviceK031840 Carematix Wellness SystemCarematix, Inc. · 2003
  7. Descendant · cites it directly · 86 of its ownK040966 Modification to Carematix Wellness SystemCarematix, Inc. · 2004
  8. Descendant · 2 generations on · 45 of its ownK050929 The Hermes SystemPalaistra Systems, Inc. · 2005
  9. Descendant · 2 generations on · 45 of its ownK042273 Modification to Health Buddy with Device ConnectivityHealth Hero Network, Inc. · 2004
  10. Descendant · 2 generations on · 40 of its ownK050567 Health Buddy ApplianceHealth Hero Network, Inc. · 2005
  11. Descendant · 2 generations on · 39 of its ownK060843 Modification to Health Buddy ApplianceHealth Hero Network, Inc. · 2006

Showing 5 of 90 descendants. See all descendants

Descendants cleared per year

2004: 22005: 32006: 102007: 52008: 62009: 122010: 72011: 102012: 62013: 132014: 52015: 12017: 32018: 32020: 12022: 22025: 1
2004high 13 (2013) · low 0 (2016)2026

Most influential descendants

Showing 5 of 90 · See all
  • K040966Modification to Carematix Wellness SystemCarematix, Inc. · 2004 · cites it directly86descendants
  • K050929The Hermes SystemPalaistra Systems, Inc. · 2005 · 2 generations on45descendants
  • K042273Modification to Health Buddy with Device ConnectivityHealth Hero Network, Inc. · 2004 · 2 generations on45descendants
  • K050567Health Buddy ApplianceHealth Hero Network, Inc. · 2005 · 2 generations on40descendants
  • K060843Modification to Health Buddy ApplianceHealth Hero Network, Inc. · 2006 · 2 generations on39descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K864318The Buddy System/Health Information SystemThe Buddy Systems, Inc.1987—
−4K952979Hanc NetworkHealthtech Services Corp.1996—
−3K964408Poseidon Cardiac Monitoring System (PCMS)Instromedix, Inc.1997—
−2K993169Modification of: Physiological Signal Transmitter and Receiver, Model 3810AHewlett-Packard Co.1999—
−1K023749The M3810A Philips Telemonitoring System with M3812B Telestation (M310A/12B)Philips Medical Systems2002—
0 (this device)K031840Carematix Wellness SystemCarematix, Inc.2003—
+1K040966Modification to Carematix Wellness SystemCarematix, Inc.2004—
+2K050929The Hermes SystemPalaistra Systems, Inc.2005—
+2K042273Modification to Health Buddy with Device ConnectivityHealth Hero Network, Inc.2004—
+2K050567Health Buddy ApplianceHealth Hero Network, Inc.2005—
+2K060843Modification to Health Buddy ApplianceHealth Hero Network, Inc.2006—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198720
198810
199310
199510
199610
200120

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200420
200530
2006100
200750
200860
2009120
201070
2011100
201260
2013130
201450
201510
201730
201830
202010
202220
202510
FIG. 1 — Lineage of K031840, 1987–2025Source: 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 DXN? 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. #1 K222125 Arm Blood Pressure Monitor, models AOJ-30A…score 18.5 · 8 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? (4)

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
*K023749The M3810A Philips Telemonitoring System with M3812B Telestation (M310A/12B)Philips Medical Systems2002—
*K993169Modification of: Physiological Signal Transmitter and Receiver, Model 3810A
Summary page 1
…valent legally marketed devices: This product is similar in function to the M3810a Philips Telemonitoring System, KO23749 and Hewlett Packard Company Model 38 1OA, K993 169; AvidCare Series 100 Telemanagement System, KO 11779; AvidCare Corporation Home Health Monitoring System, KO 10029. The Carema…
Hewlett-Packard Co.1999—
*K011779Avidcare Series 100 Telemanagement SystemAvid Care Corp.2001—
*K010029Home Health Monitoring SystemAvid Care Corp.2001—

Also cleared against K023749: 9 other devices →

What descends from it? (90)

See all 90

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

NumberDeviceApplicantDecidedDescendants
K040966Modification to Carematix Wellness SystemCarematix, Inc.200486
K051470Remote Care Management Systems (RCMS)Bl Healthcare, Inc.200521
K060504Ideal Life BP-Manager, Model BPM 0001; Ideal Life Pod, Model Ilp 0001Ideal Life, Inc.20065
K083046Fora Telehealth SystemTaidoc Technology Corporation20090

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 16 years and passes through 6 companies; a new generation was cleared every 2.4 years on median.
  • None of the 14 ancestors has a recall.
  • Of its descendants, K040966 (Carematix, Inc., 2004) has gone furthest, with 86 descendants of its own.
  • 9 other devices also cite its predicate K023749.

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

2007: 272008: 232009: 462010: 432011: 342012: 362013: 342014: 292015: 302016: 302017: 332018: 222019: 332020: 242021: 232022: 252023: 352024: 172025: 282026 (partial year): 29
2007high 46 (2009) · low 17 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXN

142in 2025

2007: 118 days median2008: 82 days median2009: 73 days median2010: 94 days median2011: 72 days median2012: 116 days median2013: 150 days median2014: 133 days median2015: 97 days median2016: 144 days median2017: 184 days median2018: 235 days median2019: 156 days median2020: 198 days median2021: 190 days median2022: 137 days median2023: 182 days median2024: 107 days median2025: 142 days median2026 (partial year): 147 days median
2007high 235 (2018) · low 72 (2011)2026

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

Recalls per year · DXN

3in 2024

2008: 12009: 32011: 12013: 12016: 12019: 12024: 3
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

2007: 212008: 82009: 172010: 142011: 102012: 192013: 722014: 472015: 622016: 542017: 902018: 6172019: 962020: 1302021: 1622022: 1552023: 1622024: 2702025: 239
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
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200727118021
2008238218
20094673317
20104394014
20113472110
201236116019
201334150172
201429133047
20153097062
201630144154
201733184090
2018222350617
201933156196
2020241980130
2021231900162
2022251370155
2023351820162
2024171073270
2025281420239
2026291470—

What is it indicated for?

The Carematix Wellness System is intended for patient home use for the following:

Non-invasive blood pressure measurement;

Measurement of blood glucose;

Patient weight using a stand-on electronic scale

The results of these measurements are transmitted to a computer monitoring station in a clinical setting via common telephone lines from the patient’s home setting.

Prescription Device.

Federal law (US) restricts this device to sale by or on the order of a physician.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K031840: Carematix Wellness System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K031840

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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