510(k) · Cleared
ClearedTeknar Proscan (TM)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Teknar, Inc. · IYO System, Imaging, Pulsed Echo, Ultrasonic
Cleared on Jul 10, 1987 after a 213-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 11 later devices descend from it.
- Decided
- Jul 10, 1987
- Review
- 213 days
- Class
- Class II
- Product code
- IYO
- Recalls
- None
- Predicates
- 0
11 later devices descend from it, 5 citing it directly.
- This deviceK864807 Teknar Proscan (TM)Teknar, Inc. · 1987
- Descendant · cites it directly · 5 of its ownK041639 Targetscn Transrectal Ultrasound SystemEnvisioneering, LLC · 2004
- Descendant · 2 generations on · 4 of its ownK111347 Isrobot Mona LisaBiobot Surgical Pte., Ltd. · 2011
- Descendant · cites it directly · 4 of its ownK972152 Devmed Stepping and Stabilizing SystemDevmed Corp. · 1997
- Descendant · 3 generations on · 3 of its ownK130944 Isr'obot Mona LisaBiobot Surgical Pte., Ltd. · 2013
- Descendant · cites it directly · 3 of its ownK011581 Ameritek Brachytherapy TemplateAmertek Medical, Inc. · 2001
Showing 5 of 11 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 11 · See all- K041639Targetscn Transrectal Ultrasound SystemEnvisioneering, LLC · 2004 · cites it directly5descendants
- K111347Isrobot Mona LisaBiobot Surgical Pte., Ltd. · 2011 · 2 generations on4descendants
- K972152Devmed Stepping and Stabilizing SystemDevmed Corp. · 1997 · cites it directly4descendants
- K130944Isr'obot Mona LisaBiobot Surgical Pte., Ltd. · 2013 · 3 generations on3descendants
- K011581Ameritek Brachytherapy TemplateAmertek Medical, Inc. · 2001 · cites it directly3descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K864807 | Teknar Proscan (TM) | Teknar, Inc. | 1987 | — |
| +1 | K041639 | Targetscn Transrectal Ultrasound System | Envisioneering, LLC | 2004 | — |
| +2 | K111347 | Isrobot Mona Lisa | Biobot Surgical Pte., Ltd. | 2011 | — |
| +1 | K972152 | Devmed Stepping and Stabilizing System | Devmed Corp. | 1997 | — |
| +3 | K130944 | Isr'obot Mona Lisa | Biobot Surgical Pte., Ltd. | 2013 | — |
| +1 | K011581 | Ameritek Brachytherapy Template | Amertek Medical, Inc. | 2001 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1997 | 1 | 0 |
| 2001 | 1 | 0 |
| 2003 | 3 | 0 |
| 2004 | 1 | 0 |
| 2011 | 1 | 0 |
| 2013 | 1 | 0 |
| 2021 | 2 | 0 |
| 2023 | 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 IYO? 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 IYO device
- #1 K243937 Accuro 3Sscore 20.5 · 18 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin 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? (11)
See all 115 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, K041639 (Envisioneering, LLC, 2004) has gone furthest, with 5 descendants of its own.
How does its category compare?
All IYO devicesIYO System, Imaging, Pulsed Echo, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · IYO
7in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · IYO
171in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IYO
1in 2022
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · IYO
485in 2025
MAUDE reports naming product code IYO, 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 | 20 | 17 | 4 | 39 |
| 2008 | 14 | 36 | 5 | 20 |
| 2009 | 13 | 79 | 9 | 27 |
| 2010 | 15 | 113 | 8 | 20 |
| 2011 | 11 | 69 | 0 | 58 |
| 2012 | 15 | 68 | 2 | 78 |
| 2013 | 17 | 50 | 3 | 436 |
| 2014 | 14 | 63 | 2 | 304 |
| 2015 | 19 | 46 | 1 | 268 |
| 2016 | 10 | 36 | 0 | 254 |
| 2017 | 19 | 72 | 0 | 238 |
| 2018 | 14 | 56 | 1 | 368 |
| 2019 | 13 | 59 | 1 | 537 |
| 2020 | 11 | 57 | 0 | 498 |
| 2021 | 15 | 64 | 11 | 617 |
| 2022 | 5 | 190 | 1 | 511 |
| 2023 | 11 | 177 | 0 | 527 |
| 2024 | 10 | 220 | 0 | 640 |
| 2025 | 7 | 171 | 0 | 485 |
| 2026 | 10 | 139 | 1 | — |
https://510kreport.com/device/K864807 · printed Nov 4, 2026
Cite this page
510(k) Report. “K864807: Teknar Proscan (TM).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K864807
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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