510(k) · Cleared
ClearedOlympus MH-246R Balloon Sheath
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Olympus America, Inc. · ODG Endoscopic Ultrasound System, Gastroenterology-Urology
Cleared on Sep 16, 1996 as substantially equivalent to K872027 (Olympus Corp., 1987) and 2 other predicates after a 185-day review. Its family tree reaches back 1 generation to 1987. 5 later devices descend from it.
- Decided
- Sep 16, 1996
- Review
- 185 days
- Class
- Class II
- Product code
- ODG
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 1 generation to K872027 (1987). 3 ancestors in all. 5 later devices descend from it, 3 citing it directly.
- Root · 1 generation backK872027 Olympus GF-UM2/EU-M2Olympus Corp. · 1987
- This deviceK961048 Olympus MH-246R Balloon SheathOlympus America, Inc. · 1996
- Descendant · cites it directly · 1 of its ownK982733 Olympus MH-246R Balloon Sheath, for Bronchial UseThe Olympus Optical Co. · 1998
- Descendant · cites it directly · 1 of its ownK982734 Olympus MH-246R Balloon Sheath, for Urinary Tract UseThe Olympus Optical Co. · 1998
- Descendant · 2 generations on · 0 of its ownK994106 Olympus UM-S30-25R Ultrasonic Probe and Associated Ancillary…Olympus America, Inc. · 2000
- Descendant · 2 generations on · 0 of its ownK994069 Olympus UM-S30-25R Ultrasonic Probe and Associated Ancillary…Olympus America, Inc. · 2000
- Descendant · cites it directly · 0 of its ownK982725 Olympus MH-246R Balloon Sheath, for Female Reproductive Tract UseOlympus America, Inc. · 1998
Most influential descendants
Showing 5 of 5 · See all- K982733Olympus MH-246R Balloon Sheath, for Bronchial UseThe Olympus Optical Co. · 1998 · cites it directly1descendant
- K982734Olympus MH-246R Balloon Sheath, for Urinary Tract UseThe Olympus Optical Co. · 1998 · cites it directly1descendant
- K994106Olympus UM-S30-25R Ultrasonic Probe and Associated Ancillary Equipment for Bronchial UseOlympus America, Inc. · 2000 · 2 generations on0descendants
- K994069Olympus UM-S30-25R Ultrasonic Probe and Associated Ancillary Equipment for Urinary UseOlympus America, Inc. · 2000 · 2 generations on0descendants
- K982725Olympus MH-246R Balloon Sheath, for Female Reproductive Tract UseOlympus America, Inc. · 1998 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K872027 | Olympus GF-UM2/EU-M2 | Olympus Corp. | 1987 | — |
| 0 (this device) | K961048 | Olympus MH-246R Balloon Sheath | Olympus America, Inc. | 1996 | — |
| +1 | K982733 | Olympus MH-246R Balloon Sheath, for Bronchial Use | The Olympus Optical Co. | 1998 | — |
| +1 | K982734 | Olympus MH-246R Balloon Sheath, for Urinary Tract Use | The Olympus Optical Co. | 1998 | — |
| +2 | K994106 | Olympus UM-S30-25R Ultrasonic Probe and Associated Ancillary Equipment for… | Olympus America, Inc. | 2000 | — |
| +2 | K994069 | Olympus UM-S30-25R Ultrasonic Probe and Associated Ancillary Equipment for… | Olympus America, Inc. | 2000 | — |
| +1 | K982725 | Olympus MH-246R Balloon Sheath, for Female Reproductive Tract Use | Olympus America, Inc. | 1998 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1988 | 1 | 0 |
| 1993 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 3 | 0 |
| 2000 | 2 | 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 ODG? 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 ODG device
- #1 K251859 EVIS EUS Ultrasound Gastrointestinal…score 14.0 · 4 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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 |
|---|---|---|---|
| * | K872027 | Olympus GF-UM2/EU-M2Summary page 1…P Device Name: Olympus MH-246R Balloon Sheath Common/Usual Name: Balloon Sheath Classification Name: Endoscope and Accessories Predicate Devices: Olympus GF-UM2/EU-M2 K872027 GF-UM-3/EU-M3 K&882061 EUS-20 System K926514 Submitted By: Mr. Barry Sands (Contact Person) Olympus America Inc. Endoscope Div… | 1987 |
| * | K882061 | Olympus GF-UM3/EU-M3Summary page 1…H-246R Balloon Sheath Common/Usual Name: Balloon Sheath Classification Name: Endoscope and Accessories Predicate Devices: Olympus GF-UM2/EU-M2 K872027 GF-UM-3/EU-M3 K&882061 EUS-20 System K926514 Submitted By: Mr. Barry Sands (Contact Person) Olympus America Inc. Endoscope Division Two Corporate Cen… | 1988 |
| * | K926514 | Endoscopic Ultrasound System Type 20Summary page 1…Common/Usual Name: Balloon Sheath Classification Name: Endoscope and Accessories Predicate Devices: Olympus GF-UM2/EU-M2 K872027 GF-UM-3/EU-M3 K&882061 EUS-20 System K926514 Submitted By: Mr. Barry Sands (Contact Person) Olympus America Inc. Endoscope Division Two Corporate Center Drive Melville, New… | 1993 |
What descends from it? (5)
3 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?
- 1 of the 3 ancestors has a recall of any class.
- Of its descendants, K982733 (The Olympus Optical Co., 1998) has gone furthest, with 1 descendant of its own.
How does its category compare?
All ODG devicesODG Endoscopic Ultrasound System, Gastroenterology-Urology: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ODG
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ODG
71in 2022
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · ODG
4in 2020
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ODG
3,569in 2025
MAUDE reports naming product code ODG, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 1 |
| 2009 | 2 | — | 0 | 3 |
| 2010 | 0 | — | 0 | 2 |
| 2011 | 2 | — | 0 | 13 |
| 2012 | 0 | — | 0 | 6 |
| 2013 | 2 | — | 0 | 2 |
| 2014 | 1 | — | 0 | 1 |
| 2015 | 0 | — | 0 | 11 |
| 2016 | 1 | — | 0 | 50 |
| 2017 | 4 | 75 | 0 | 82 |
| 2018 | 3 | 30 | 0 | 66 |
| 2019 | 1 | — | 0 | 96 |
| 2020 | 2 | — | 4 | 445 |
| 2021 | 1 | — | 0 | 1,234 |
| 2022 | 4 | 71 | 0 | 1,832 |
| 2023 | 1 | — | 0 | 2,078 |
| 2024 | 1 | — | 0 | 1,904 |
| 2025 | 2 | — | 0 | 3,569 |
| 2026 | 2 | — | 4 | — |
What is it indicated for?
The balloon sheath MH-246R is designed to be used with the Olympus Ultrasonic Probe UM-2R/3R for intraluminal ultrasonic imaging of the gastrointestinal tract wall and surrounding organs.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K961048 · printed Nov 4, 2026
Cite this page
510(k) Report. “K961048: Olympus MH-246R Balloon Sheath.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K961048
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