510(k) Report

510(k) · Cleared

Cleared

Ascension Silicone MCP; Ascension Silicone PIP

K233670510(k) SpecialCleared Dec 14, 202329-day reviewClass II21 CFR 888.3230

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

Ascension Orthopedics, Inc. · KYJ Prosthesis, Finger, Constrained, Polymer

Cleared on Dec 14, 2023 as substantially equivalent to K022892 (Ascension Orthopedics, Inc., 2002) and 1 other predicate after a 29-day review. Its family tree reaches back 3 generations to 1997.

Decided
Dec 14, 2023
Review
29 days
Class
Class II
Product code
KYJ
Recalls
None
Predicates
2

Its longest line of descent runs back 3 generations to K970544 (1997). 4 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 3 generations backK970544 Depuy Dupont Orthopaedics Finger Joint ProsthesisDepuy, Inc. · 1997
  2. 2 generations backK001922 Depuy Neuflex Pip FingerDepuy, Inc. · 2000
  3. 1 generation backK082231 Ascension Silicone PipAscension Orthopedics, Inc. · 2009 · Recalled
  4. This deviceK233670 Ascension Silicone MCP; Ascension Silicone PIPAscension Orthopedics, Inc. · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K970544Depuy Dupont Orthopaedics Finger Joint ProsthesisDepuy, Inc.1997—
−2K001922Depuy Neuflex Pip FingerDepuy, Inc.2000—
−1K082231Ascension Silicone PipAscension Orthopedics, Inc.20091
0 (this device)K233670Ascension Silicone MCP; Ascension Silicone PIPAscension Orthopedics, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200210
FIG. 1 — Lineage of K233670, 1997–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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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 KYJ? 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 KYJ device

  1. #1 K220142 BRM Digitalis Spacerscore 5.7 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

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
*K022892Ascension Sillicone MCP
Summary page 4
…KYJ Regulation 888.3230 - Finger joint polymer constrained prosthesis Classification Class II Primary Predicate Ascension Silicone MCP: K022892 Device Additional Predicate Ascension Silicone PIP: K082231 Device Review Branch Orthopedic Device Description…
Ascension Orthopedics, Inc.2002—
*K082231Ascension Silicone Pip
Summary page 4
…er constrained prosthesis Classification Class II Primary Predicate Ascension Silicone MCP: K022892 Device Additional Predicate Ascension Silicone PIP: K082231 Device Review Branch Orthopedic Device Description The ASCENSION Silicone MCP and PIP implants are anatomically…
Ascension Orthopedics, Inc.20091

Also cleared against K022892: 2 other devices →

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.

What does this lineage say?

  • The line of descent spans 26 years and passes through 2 companies; a new generation was cleared every 8.4 years on median.
  • 1 of the 4 ancestors has a recall of any class.
  • 2 other devices also cite its predicate K022892.

How does its category compare?

All KYJ devices

KYJ Prosthesis, Finger, Constrained, Polymer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · KYJ

2in 2023

2009: 22015: 12022: 12023: 2
2007high 2 (2009) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KYJ

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

Recalls per year · KYJ

1in 2019

2016: 22019: 1
2007high 2 (2016) · low 0 (2007)2026

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

Adverse event reports per year · KYJ

32in 2025

2007: 92008: 152009: 352010: 92011: 112012: 252013: 112014: 142015: 182016: 62017: 142018: 112019: 262020: 482021: 452022: 392023: 242024: 292025: 32
2007high 48 (2020) · low 6 (2016)2025

MAUDE reports naming product code KYJ, 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—09
20080—015
20092—035
20100—09
20110—011
20120—025
20130—011
20140—014
20151—018
20160—26
20170—014
20180—011
20190—126
20200—048
20210—045
20221—039
20232—024
20240—029
20250—032
20260—0—

What is it indicated for?

The ASCENSION Silicone PIP implant is intended for cementless

replacement of the proximal interphalangeal joint in patients with

advanced osteoarthritis, post-traumatic arthritis and rheumatoid

arthritis.

The ASCENSION Silicone MCP implant is intended for cementless

replacement of the metacarpophalangeal (MCP) joint of the finger

where disabled by rheumatoid, degenerative or traumatic arthritis.

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. “K233670: Ascension Silicone MCP; Ascension Silicone PIP.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K233670

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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