510(k) Report

510(k) · Cleared

Cleared

Quatro M Femoral Component

K033313510(k) TraditionalCleared Jul 28, 2004287-day reviewClass II21 CFR 888.3360

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

Whiteside Biomechanics, Inc. · LWJ Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Uncemented

Cleared on Jul 28, 2004 as substantially equivalent to K964616 (Whiteside Biomechanics, Inc., 1997) after a 287-day review. Its family tree reaches back 1 generation to 1997.

Decided
Jul 28, 2004
Review
287 days
Class
Class II
Product code
LWJ
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K964616 (1997). No later device cites it as a predicate yet.

K964616 · Quatroloc Plasma Sprayed Femoral Component · Whiteside Biomechanics, Inc. · 1997199619982000200220042006
  1. Root · 1 generation backK964616 Quatroloc Plasma Sprayed Femoral ComponentWhiteside Biomechanics, Inc. · 1997
  2. This deviceK033313 Quatro M Femoral ComponentWhiteside Biomechanics, Inc. · 2004
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K964616Quatroloc Plasma Sprayed Femoral ComponentWhiteside Biomechanics, Inc.1997—
0 (this device)K033313Quatro M Femoral ComponentWhiteside Biomechanics, Inc.2004—
FIG. 1 — Lineage of K033313, 1997–2004Source: 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 LWJ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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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
*K964616Quatroloc Plasma Sprayed Femoral Component
Summary page 1
…Classification Panel: Class II Substantial Equivalence To: Quatroloc Plasma Spray Femoral Component (K964616) Device Description: The implant will consist of a solid, rectangularly cross-sectioned wrought titanium 6AL-4V (ASTM 1472) ste…
Whiteside Biomechanics, Inc.1997—

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?

  • Its one ancestor has no recall.

How does its category compare?

All LWJ devices

LWJ Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LWJ

1in 2012

2007: 22008: 12009: 12011: 12012: 1
2007high 2 (2007) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LWJ

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

Recalls per year · LWJ

2in 2023

2007: 102008: 22009: 22013: 12023: 2
2007high 10 (2007) · low 0 (2010)2026

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

Adverse event reports per year · LWJ

51in 2025

2007: 682008: 722009: 842010: 1322011: 2552012: 3902013: 5222014: 4522015: 3102016: 2932017: 3112018: 2272019: 2102020: 1892021: 1552022: 912023: 722024: 542025: 51
2007high 522 (2013) · low 51 (2025)2025

MAUDE reports naming product code LWJ, 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
20072—1068
20081—272
20091—284
20100—0132
20111—0255
20121—0390
20130—1522
20140—0452
20150—0310
20160—0293
20170—0311
20180—0227
20190—0210
20200—0189
20210—0155
20220—091
20230—272
20240—054
20250—051
20260—0—

What is it indicated for?

The Quatro-M Plasma Spray Femoral Component is for press-fit, uncemented use It is intended to be used for:

Noninflammatory degenerative joint disease including osteoarthritis

2 Rheumatoid arthritis

3. Avascular necrosis

4. Correction of functional deformity

5. Revision procedures where other treatments or devices have failed

6. Treatment of non-unions, femoral neck and trochanteric fractures of the proximal femur with head involvement that are unmanageable using other techniques

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K033313: Quatro M Femoral Component.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K033313

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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