510(k) · Cleared
Recalled · Class II · 2025Hemochron JR. Microcoagulation Low Range Act
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
International Technidyne Corp. · JBP Activated Whole Blood Clotting Time
Cleared on Aug 12, 1996 after a 171-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 3 later devices descend from it. It has been recalled 3 times.
- Decided
- Aug 12, 1996
- Review
- 171 days
- Class
- Class II
- Product code
- JBP
- Recalls
- 3
- Predicates
- 0
3 later devices descend from it, 3 citing it directly.
- This deviceK960749 Hemochron JR. Microcoagulation Low Range ActInternational Technidyne Corp. · 1996
- Descendant · cites it directly · 1 of its ownK120977 Directcheck Control for Hemochron JR. Microcoagulation Systems…International Technidyne Corp. · 2013
- Descendant · cites it directly · 0 of its ownK202101 GEM Hemochron 100 System, GEM Hemochron 100 Activated Clotting Time…Accriva Diagnostics, Inc. · 2021 · Recalled
- Descendant · cites it directly · 0 of its ownK992851 Act Test Catridges for Coaguchek Pro System, Act Controls for…Roche Diagnostics Corp. · 2000
Most influential descendants
Showing 3 of 3 · See all- K120977Directcheck Control for Hemochron JR. Microcoagulation Systems Act-LR Cuvette…International Technidyne Corp. · 2013 · cites it directly1descendant
- K202101GEM Hemochron 100 System, GEM Hemochron 100 Activated Clotting Time Plus Test (ACT+)…Accriva Diagnostics, Inc. · 2021 · cites it directly0descendants
- K992851Act Test Catridges for Coaguchek Pro System, Act Controls for Coaguchek Pro SystemRoche Diagnostics Corp. · 2000 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K960749 | Hemochron JR. Microcoagulation Low Range Act | International Technidyne Corp. | 1996 | — |
| +1 | K120977 | Directcheck Control for Hemochron JR. Microcoagulation Systems Act-LR Cuvette… | International Technidyne Corp. | 2013 | — |
| +1 | K202101 | GEM Hemochron 100 System, GEM Hemochron 100 Activated Clotting Time Plus Test… | Accriva Diagnostics, Inc. | 2021 | 1 |
| +1 | K992851 | Act Test Catridges for Coaguchek Pro System, Act Controls for Coaguchek Pro… | Roche Diagnostics Corp. | 2000 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 1 | 0 |
| 2013 | 1 | 0 |
| 2021 | 1 | 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 JBP? 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 JBP device
- #1 K223635 Sonoclot Coagulation & Platelet Function…score 4.6 · 1 generation · no Class I recall
What was it cleared against?
FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.
What descends from it? (3)
3 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K120977 | Directcheck Control for Hemochron JR. Microcoagulation Systems Act-LR Cuvette… | 2013 | 1 |
| K202101 | GEM Hemochron 100 System, GEM Hemochron 100 Activated Clotting Time Plus Test (ACT+)… | 2021 | 0 |
| K992851 | Act Test Catridges for Coaguchek Pro System, Act Controls for Coaguchek Pro System | 2000 | 0 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Nov 5, 2025 | Class II | Z-0880-2026 | Packaging process control | Test cuvettes, used with an assay for monitoring heparin anticoagulation, may have a foreign object that has sharp edges and could pose a risk of injury if not detected prior to handling. |
| May 5, 2009 | Not classified | Z-1732-2009 | Employee error | One lot of ACT-LR was released when one finished good testing criteria acceptance limit did not meet acceptance criteria. |
| Apr 27, 2005 | Not classified | Z-1381-05 | Other | Validation had been initiated for a molded component of the finished device but not completed. Also, the device did not meet mean clotting time using Normal Donor Blood as media. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K120977 (International Technidyne Corp., 2013) has gone furthest, with 1 descendant of its own.
How does its category compare?
All JBP devicesJBP Activated Whole Blood Clotting Time: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JBP
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · JBP
Too few JBP 510(k)s in any year since 2007 to give a median.
Recalls per year · JBP
2in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JBP
18in 2025
MAUDE reports naming product code JBP, 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 | 1 | — | 0 | 5 |
| 2008 | 0 | — | 0 | 6 |
| 2009 | 0 | — | 3 | 29 |
| 2010 | 0 | — | 3 | 24 |
| 2011 | 0 | — | 0 | 11 |
| 2012 | 0 | — | 0 | 25 |
| 2013 | 0 | — | 0 | 32 |
| 2014 | 0 | — | 0 | 3 |
| 2015 | 0 | — | 0 | 26 |
| 2016 | 0 | — | 0 | 4 |
| 2017 | 0 | — | 0 | 16 |
| 2018 | 0 | — | 0 | 1 |
| 2019 | 0 | — | 0 | 15 |
| 2020 | 0 | — | 0 | 10 |
| 2021 | 0 | — | 0 | 9 |
| 2022 | 0 | — | 0 | 7 |
| 2023 | 1 | — | 0 | 16 |
| 2024 | 0 | — | 0 | 23 |
| 2025 | 0 | — | 2 | 18 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K960749 · printed Nov 4, 2026
Cite this page
510(k) Report. “K960749: Hemochron JR. Microcoagulation Low Range Act.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K960749
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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