510(k) · Cleared
ClearedCarematix Wellness System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
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.
- Root · 5 generations backK864318 The Buddy System/Health Information SystemThe Buddy Systems, Inc. · 1987
- 4 generations backK952979 Hanc NetworkHealthtech Services Corp. · 1996
- 3 generations backK964408 Poseidon Cardiac Monitoring System (PCMS)Instromedix, Inc. · 1997
- 2 generations backK993169 Modification of: Physiological Signal Transmitter and Receiver…Hewlett-Packard Co. · 1999
- 1 generation backK023749 The M3810A Philips Telemonitoring System with M3812B Telestation…Philips Medical Systems · 2002
- This deviceK031840 Carematix Wellness SystemCarematix, Inc. · 2003
- Descendant · cites it directly · 86 of its ownK040966 Modification to Carematix Wellness SystemCarematix, Inc. · 2004
- Descendant · 2 generations on · 45 of its ownK050929 The Hermes SystemPalaistra Systems, Inc. · 2005
- Descendant · 2 generations on · 45 of its ownK042273 Modification to Health Buddy with Device ConnectivityHealth Hero Network, Inc. · 2004
- Descendant · 2 generations on · 40 of its ownK050567 Health Buddy ApplianceHealth Hero Network, Inc. · 2005
- 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
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
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K864318 | The Buddy System/Health Information System | The Buddy Systems, Inc. | 1987 | — |
| −4 | K952979 | Hanc Network | Healthtech Services Corp. | 1996 | — |
| −3 | K964408 | Poseidon Cardiac Monitoring System (PCMS) | Instromedix, Inc. | 1997 | — |
| −2 | K993169 | Modification of: Physiological Signal Transmitter and Receiver, Model 3810A | Hewlett-Packard Co. | 1999 | — |
| −1 | K023749 | The M3810A Philips Telemonitoring System with M3812B Telestation (M310A/12B) | Philips Medical Systems | 2002 | — |
| 0 (this device) | K031840 | Carematix Wellness System | Carematix, Inc. | 2003 | — |
| +1 | K040966 | Modification to Carematix Wellness System | Carematix, Inc. | 2004 | — |
| +2 | K050929 | The Hermes System | Palaistra Systems, Inc. | 2005 | — |
| +2 | K042273 | Modification to Health Buddy with Device Connectivity | Health Hero Network, Inc. | 2004 | — |
| +2 | K050567 | Health Buddy Appliance | Health Hero Network, Inc. | 2005 | — |
| +2 | K060843 | Modification to Health Buddy Appliance | Health Hero Network, Inc. | 2006 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1993 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 2001 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2004 | 2 | 0 |
| 2005 | 3 | 0 |
| 2006 | 10 | 0 |
| 2007 | 5 | 0 |
| 2008 | 6 | 0 |
| 2009 | 12 | 0 |
| 2010 | 7 | 0 |
| 2011 | 10 | 0 |
| 2012 | 6 | 0 |
| 2013 | 13 | 0 |
| 2014 | 5 | 0 |
| 2015 | 1 | 0 |
| 2017 | 3 | 0 |
| 2018 | 3 | 0 |
| 2020 | 1 | 0 |
| 2022 | 2 | 0 |
| 2025 | 1 | 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 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 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
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K023749 | The M3810A Philips Telemonitoring System with M3812B Telestation (M310A/12B) | 2002 |
| * | K993169 | Modification of: Physiological Signal Transmitter and Receiver, Model 3810ASummary 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… | 1999 |
| * | K011779 | Avidcare Series 100 Telemanagement System | 2001 |
| * | K010029 | Home Health Monitoring System | 2001 |
What descends from it? (90)
See all 904 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 devicesDXN 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
2026 to Oct 25, outlined.
Median 510(k) review, days · DXN
142in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DXN
3in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DXN
239in 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 | — |
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.
https://510kreport.com/device/K031840 · printed Nov 6, 2026
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
Report an extraction error
Are you the manufacturer?
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