510(k) · Cleared
ClearedHP M177XA Cardiographs
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Hewlett-Packard Co. · LOS (no longer in FDA’s product-code list)
Cleared on Jul 26, 1994 after a 235-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 2 later devices descend from it.
- Decided
- Jul 26, 1994
- Review
- 235 days
- Product code
- LOS
- Recalls
- None
- Predicates
- 0
2 later devices descend from it, 2 citing it directly.
- This deviceK935772 HP M177XA CardiographsHewlett-Packard Co. · 1994
- Descendant · cites it directly · 1 of its ownK981265 Pagewriter 200I Interpretive Cardiograph Model M1770A with Acute…Hewlett-Packard Co. · 1998
- Descendant · cites it directly · 0 of its ownK982025 Hewlett-Packard M2475B with 12-Lead Option (#C90) Codemaster 100…Hewlett-Packard Co. · 1998
Most influential descendants
Showing 2 of 2 · See all- K981265Pagewriter 200I Interpretive Cardiograph Model M1770A with Acute Cardiac Ischemia Time…Hewlett-Packard Co. · 1998 · cites it directly1descendant
- K982025Hewlett-Packard M2475B with 12-Lead Option (#C90) Codemaster 100 Conitor/DefibrillatorHewlett-Packard Co. · 1998 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K935772 | HP M177XA Cardiographs | Hewlett-Packard Co. | 1994 | — |
| +1 | K981265 | Pagewriter 200I Interpretive Cardiograph Model M1770A with Acute Cardiac… | Hewlett-Packard Co. | 1998 | — |
| +1 | K982025 | Hewlett-Packard M2475B with 12-Lead Option (#C90) Codemaster 100… | Hewlett-Packard Co. | 1998 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 2 | 0 |
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.
Planning a device in LOS? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the 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? (2)
2 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?
- Of its descendants, K981265 (Hewlett-Packard Co., 1998) has gone furthest, with 1 descendant of its own.
https://510kreport.com/device/K935772 · printed Nov 4, 2026
Cite this page
510(k) Report. “K935772: HP M177XA Cardiographs.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K935772
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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