510(k) · Cleared
ClearedExpect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Boston Scientific Corporation · EOQ Bronchoscope (Flexible Or Rigid)
Cleared on Nov 10, 2015 as substantially equivalent to K050503 (Olympus Medical Systems Corporation, 2005) after a 176-day review. Its family tree reaches back 9 generations to 1989. 1 of the 59 devices in its family, counting itself, has a Class I recall. 3 later devices descend from it.
- Decided
- Nov 10, 2015
- Review
- 176 days
- Class
- Class II
- Product code
- EOQ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 9 generations to K894632 (1989). 55 ancestors in all, the oldest K812810 (1981). 3 later devices descend from it, 1 citing it directly. 1 of the 59 devices in this family, counting this one, has a Class I recall.
- Root · 9 generations backK894632 Model SSH-140A Ultrasound Imaging SystemToshiba America Medical Systems, In.C · 1989
- 5 generations between
- 3 generations backK031347 Ultrasonic Gastrovideoscope, Type UC160P-AT8 and UCT160-AT8Olympus Optical Co., Ltd. · 2003
- 2 generations backK042140 Olympus BF Type UC160-OL8Olympus Corporation · 2004 · Recalled
- 1 generation backK050503 Single Use Aspiration Needle NA-201SX-4022Olympus Medical Systems Corporation · 2005 · Recalled
- This deviceK151315 Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration…Boston Scientific Corporation · 2015
- Descendant · cites it directly · 2 of its ownK163248 Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration…Boston Scientific Corporation · 2017
- Descendant · 2 generations on · 0 of its ownK250145 Biopsy Port AdapterEndosound, Inc. · 2025
- Descendant · 2 generations on · 0 of its ownK183085 CoreDx™ Pulmonary Mini-ForcepsBoston Scientific Corporation · 2019
Show all 9 generations
- Root · 9 generations backK894632 Model SSH-140A Ultrasound Imaging SystemToshiba America Medical Systems, In.C · 1989
- 8 generations backK941593 Diagnostic Ultrasonic TransducerToshiba America Medical Systems, In.C · 1996
- 7 generations backK970047 Phased Array Transducer - - PSK-20CTToshiba America Medical Systems, In.C · 1997
- 6 generations backK991710 Ssa-370A/Powervision 6000Toshiba America Medical Systems, In.C · 1999
- 5 generations backK994096 Sonoheart Hand-Carried Echocardiography SystemSonosite,Inc. · 1999
- 4 generations backK010591 Olympus EU-C60 Eus Exera Compact Endoscopic Ultrasound CenterOlympus Optical Co., Ltd. · 2001 · Recalled
- 3 generations backK031347 Ultrasonic Gastrovideoscope, Type UC160P-AT8 and UCT160-AT8Olympus Optical Co., Ltd. · 2003
- 2 generations backK042140 Olympus BF Type UC160-OL8Olympus Corporation · 2004 · Recalled
- 1 generation backK050503 Single Use Aspiration Needle NA-201SX-4022Olympus Medical Systems Corporation · 2005 · Recalled
- This deviceK151315 Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration…Boston Scientific Corporation · 2015
Class I recalls in this family
- K023984 Modification to Olympus Bronchoscopes BF-40…4 generations back · 2003
Most influential descendants
Showing 3 of 3 · See all- K163248Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration NeedleBoston Scientific Corporation · 2017 · cites it directly2descendants
- K250145Biopsy Port AdapterEndosound, Inc. · 2025 · 2 generations on0descendants
- K183085CoreDx™ Pulmonary Mini-ForcepsBoston Scientific Corporation · 2019 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −9 | K894632 | Model SSH-140A Ultrasound Imaging System | Toshiba America Medical Systems, In.C | 1989 | — |
| −8 | K941593 | Diagnostic Ultrasonic Transducer | Toshiba America Medical Systems, In.C | 1996 | — |
| −7 | K970047 | Phased Array Transducer - - PSK-20CT | Toshiba America Medical Systems, In.C | 1997 | — |
| −6 | K991710 | Ssa-370A/Powervision 6000 | Toshiba America Medical Systems, In.C | 1999 | — |
| −5 | K994096 | Sonoheart Hand-Carried Echocardiography System | Sonosite,Inc. | 1999 | — |
| −4 | K010591 | Olympus EU-C60 Eus Exera Compact Endoscopic Ultrasound Center | Olympus Optical Co., Ltd. | 2001 | 2 |
| −3 | K031347 | Ultrasonic Gastrovideoscope, Type UC160P-AT8 and UCT160-AT8 | Olympus Optical Co., Ltd. | 2003 | — |
| −2 | K042140 | Olympus BF Type UC160-OL8 | Olympus Corporation | 2004 | 1 |
| −1 | K050503 | Single Use Aspiration Needle NA-201SX-4022 | Olympus Medical Systems Corporation | 2005 | 5 |
| 0 (this device) | K151315 | Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle | Boston Scientific Corporation | 2015 | — |
| +1 | K163248 | Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle | Boston Scientific Corporation | 2017 | — |
| +2 | K250145 | Biopsy Port Adapter | Endosound, Inc. | 2025 | — |
| +2 | K183085 | CoreDx™ Pulmonary Mini-Forceps | Boston Scientific Corporation | 2019 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1981 | 1 | 0 |
| 1986 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2017 | 1 | 0 |
| 2019 | 1 | 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.
1 device in this family has a Class I recall. 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 EOQ device
- #1 K223299 Ambu® aScope™ 5 Broncho HD 5.0/2.2, Ambu®…score 18.4 · 11 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
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 |
|---|---|---|---|
| * | K050503 | Single Use Aspiration Needle NA-201SX-4022Summary page 4…Needle/ EBUS-TBNA needle Manufacturer: Olympus Medical Systems Corporation Clearance Number: K050503 Classification Name: Gastroenterology-urology biopsy instrument Premarket Notification, Expect™ Pul… | 2005 |
| † | K133312 | Expect Slimline Endoscopic Ultrasound Aspiration Needle | 2014 |
What descends from it? (3)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K163248 | Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle | 2017 | 2 |
Has anything in its family been recalled? (1 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
- K023984Modification to Olympus Bronchoscopes BF-40 Series, BF-240 Series, and BF-160 SeriesThe Olympus Optical Co. · 2003 · 4 generations back · ◆ in the 2003 ancestors bar of FIG. 114 Class I recalls
What does this lineage say?
- The line of descent spans 26 years and passes through 6 companies; a new generation was cleared every 1.3 years on median.
- 17 of the 55 ancestors have a recall of any class; 1 has a Class I recall.
- Of its descendants, K163248 (Boston Scientific Corporation, 2017) has gone furthest, with 2 descendants of its own.
- 5 other devices also cite its predicate K050503.
How does its category compare?
All EOQ devicesEOQ Bronchoscope (Flexible Or Rigid): FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.
FDA decisions per year · EOQ
20in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · EOQ
147in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · EOQ
25in 2025
Class I (28 since 2007) Class II/III not classified
Adverse event reports per year · EOQ
6,546in 2025
MAUDE reports naming product code EOQ, 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 | 2 | — | 0 | 39 |
| 2008 | 2 | — | 0 | 87 |
| 2009 | 3 | 24 | 0 | 114 |
| 2010 | 0 | — | 0 | 100 |
| 2011 | 0 | — | 1 | 96 |
| 2012 | 2 | — | 4 | 93 |
| 2013 | 4 | 178 | 0 | 93 |
| 2014 | 3 | 302 | 0 | 98 |
| 2015 | 6 | 206 | 0 | 132 |
| 2016 | 3 | 262 | 1 | 297 |
| 2017 | 4 | 136 | 0 | 337 |
| 2018 | 7 | 212 | 0 | 279 |
| 2019 | 11 | 147 | 1 | 654 |
| 2020 | 10 | 103 | 1 | 515 |
| 2021 | 15 | 169 | 9 | 1,358 |
| 2022 | 11 | 134 | 5 | 2,541 |
| 2023 | 12 | 160 | 18 (4) | 5,064 |
| 2024 | 13 | 130 | 4 | 6,051 |
| 2025 | 20 | 147 | 25 (24) | 6,546 |
| 2026 | 9 | 206 | 0 | — |
What is it indicated for?
The Expect™ Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle is designed to be used with
endobronchial ultrasound endoscopes for ultrasound guided fine needle aspiration (FNA) of the submucosal and
extramural lesions of the tracheobronchial tree. Do no use this instrument for any purpose other than its intended use.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K151315 · printed Nov 6, 2026
Cite this page
510(k) Report. “K151315: Expect Pulmonary Endobronchial Ultrasound Transbronchial Aspiration Needle.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K151315
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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