510(k) Report

510(k) · Cleared

Cleared

Locking Compression Bone Plates and Screw System

K133525510(k) TraditionalCleared Mar 4, 2014109-day reviewClass II21 CFR 888.3030

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

Changzhou Dean Medical Instrument Co, Ltd. · HRS Plate, Fixation, Bone

Cleared on Mar 4, 2014 as substantially equivalent to K131759 (Tianjin Walkman Biomaterial Co., Ltd., 2013) after a 109-day review. Its family tree reaches back 8 generations to 1998.

Decided
Mar 4, 2014
Review
109 days
Class
Class II
Product code
HRS
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K981372 (1998). 30 ancestors in all, the oldest K792022 (1979). No later device cites it as a predicate yet.

  1. Root · 8 generations backK981372 Synthes 3.0 MM PC-Fix SystemSynthes (Usa) · 1998
  2. 7 generations backK991407 Synthes Locking Calcaneal PlatesSynthes (Usa) · 1999
  3. 6 generations backK033669 Smith & Nephew Locking Bone Plate System (Locking Bone Plates and…Smith & Nephew, Inc. · 2003 · Recalled
  4. 5 generations backK050457 Merete Metafix Small Fragment Bone Plate SystemMerete Medical GmbH · 2005
  5. 4 generations backK063487 Merete BLP Small Fragment Locking Bone PlateMerete Medical GmbH · 2007
  6. 3 generations backK081513 Merete 3.0 and 3.5 MM Locking ScrewsMerete Medical GmbH · 2008
  7. 2 generations backK100721 Locking Bone Screw Model HCQ04, HCZ04Changzhou Orthmar Medical Instrument Co., Ltd. · 2010
  8. 1 generation backK131759 Metallic Locking Compression Bone Plates and Screws SystemTianjin Walkman Biomaterial Co., Ltd. · 2013
  9. This deviceK133525 Locking Compression Bone Plates and Screw SystemChangzhou Dean Medical Instrument Co, Ltd. · 2014
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K981372Synthes 3.0 MM PC-Fix SystemSynthes (Usa)1998—
−7K991407Synthes Locking Calcaneal PlatesSynthes (Usa)1999—
−6K033669Smith & Nephew Locking Bone Plate System (Locking Bone Plates and Screws)Smith & Nephew, Inc.20031
−5K050457Merete Metafix Small Fragment Bone Plate SystemMerete Medical GmbH2005—
−4K063487Merete BLP Small Fragment Locking Bone PlateMerete Medical GmbH2007—
−3K081513Merete 3.0 and 3.5 MM Locking ScrewsMerete Medical GmbH2008—
−2K100721Locking Bone Screw Model HCQ04, HCZ04Changzhou Orthmar Medical Instrument Co., Ltd.2010—
−1K131759Metallic Locking Compression Bone Plates and Screws SystemTianjin Walkman Biomaterial Co., Ltd.2013—
0 (this device)K133525Locking Compression Bone Plates and Screw SystemChangzhou Dean Medical Instrument Co, Ltd.2014—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
199410
199620
199810
199920
200040
200110
200220
200310
200410
200520
200620
200810
201010
FIG. 1 — Lineage of K133525, 1998–2014Source: 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 HRS? 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 HRS device

  1. #1 K222465 Tyber Medical Anatomical Plating Systemscore 27.5 · 16 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin 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
*K131759Metallic Locking Compression Bone Plates and Screws System
Summary page 2
…t patients with age above 21 as indicated for fixation of fractures, including ulna, radius and tibia. 5. Predicate Device Identification 5 10(k) Number: K 131759 Product Name: Metallic Locking Compression Bone Plates and Screws System Manufacturer: Tianjin Walkman Biomaterial Co.,…
Tianjin Walkman Biomaterial Co., Ltd.2013—

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 16 years and passes through 6 companies; a new generation was cleared every 1.9 years on median.
  • 5 of the 30 ancestors have a recall of any class.

How does its category compare?

All HRS devices

HRS Plate, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

FDA decisions per year · HRS

54in 2025

2007: 352008: 352009: 472010: 492011: 432012: 592013: 562014: 762015: 562016: 442017: 572018: 402019: 462020: 482021: 402022: 472023: 402024: 542025: 542026 (partial year): 51
2007high 76 (2014) · low 35 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HRS

90in 2025

2007: 63 days median2008: 87 days median2009: 85 days median2010: 100 days median2011: 88 days median2012: 106 days median2013: 89 days median2014: 57 days median2015: 97 days median2016: 109 days median2017: 122 days median2018: 116 days median2019: 89 days median2020: 88 days median2021: 87 days median2022: 144 days median2023: 120 days median2024: 96 days median2025: 90 days median2026 (partial year): 82 days median
2007high 144 (2022) · low 57 (2014)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · HRS

1in 2025

2007: 22008: 112009: 32010: 162011: 52012: 42013: 112015: 72016: 52017: 32018: 22019: 252020: 12021: 92022: 32023: 12025: 12026 (partial year): 3
2007high 25 (2019) · low 0 (2014)2026

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

Adverse event reports per year · HRS

2,306in 2025

2007: 3392008: 3112009: 4352010: 4912011: 7732012: 1,6632013: 2,6432014: 2,4132015: 3,0952016: 2,2762017: 2,2202018: 2,6632019: 3,3592020: 2,7902021: 2,4422022: 1,7002023: 2,0492024: 1,8492025: 2,306
2007high 3,359 (2019) · low 311 (2008)2025

MAUDE reports naming product code HRS, 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
200735632339
2008358711311
200947853435
20104910016491
201143885773
20125910641,663
20135689112,643
2014765702,413
2015569773,095
20164410952,276
20175712232,220
20184011622,663
20194689253,359
2020488812,790
2021408792,442
20224714431,700
20234012012,049
2024549601,849
2025549012,306
202651823—

What is it indicated for?

The Locking Compression Bone Plates and Screws System can be used for adult patients with age above 21 as indicated for fixation of fractures. including ulna, radius and tibia.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K133525: Locking Compression Bone Plates and Screw System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K133525

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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