510(k) Report

510(k) · Cleared

Cleared

Otosilk Otological Graft Dressing

K964534510(k) TraditionalCleared Apr 9, 1997148-day reviewClass I21 CFR 878.4020

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Boston Medical Products, Inc. · NAD Dressing, Wound, Occlusive

Cleared on Apr 9, 1997 after a 148-day review. The FDA summary names its predicate without a number.

Decided
Apr 9, 1997
Review
148 days
Class
Class I
Product code
NAD
Recalls
None
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K964534Source: FDA 510(k) database · How lineage is built

Get the monthly Device Review Tracker

Notable FDA decisions, review times and new Class I recalls. See an issue.

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 NAD? 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 NAD device

  1. #1 K254246 LT Antibacterial Foam with Silver Dressingscore 13.5 · 6 generations · no Class I recall
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*—Product No. XO-2904, subsequently marketed as Product No. 14-28010
Named without a submission number
—

What descends from it?

No later submission names this one as a predicate yet.

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.

How does its category compare?

All NAD devices

NAD Dressing, Wound, Occlusive: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · NAD

1in 2011

2008: 22009: 12011: 12026 (partial year): 1
2007high 2 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NAD

Too few NAD 510(k)s in any year since 2007 to give a median.

Recalls per year · NAD

1in 2025

2010: 12014: 12018: 62022: 12025: 1
2007high 6 (2018) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NAD

2,619in 2025

2007: 12008: 82009: 92010: 302011: 92012: 32013: 152014: 632015: 2512016: 1062017: 1342018: 1,0292019: 5882020: 5,0352021: 4512022: 4032023: 1,6192024: 1,8042025: 2,619
2007high 5,035 (2020) · low 1 (2007)2025

MAUDE reports naming product code NAD, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—01
20082—08
20091—09
20100—130
20111—09
20120—03
20130—015
20140—163
20150—0251
20160—0106
20170—0134
20180—61,029
20190—0588
20200—05,035
20210—0451
20220—1403
20230—01,619
20240—01,804
20250—12,619
20261—0—

What is it indicated for?

To be used as a temporary dressing in the external auditory canal following tympanoplasty or stapedectomy procedures.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K964534: Otosilk Otological Graft Dressing.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964534

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026