510(k) Report

510(k) · Cleared

Cleared

WASTON General Spinal System

K150684510(k) TraditionalCleared Nov 18, 2015246-day reviewClass II21 CFR 888.3070

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

Changzhou Waston Medical Appliance Co., Ltd. · MNI Orthosis, Spinal Pedicle Fixation

Cleared on Nov 18, 2015 as substantially equivalent to K082617 (Trauson (Jiangsu) Medical Instrument Co., Ltd., 2009) after a 246-day review. Its family tree reaches back 4 generations to 1995.

Decided
Nov 18, 2015
Review
246 days
Class
Class II
Product code
MNI
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K951725 (1995). 8 ancestors in all, the oldest K950697 (1995). No later device cites it as a predicate yet.

  1. Root · 4 generations backK951725 Osteonics Spinal SystemOsteonics Corp. · 1995
  2. 3 generations backK052971 Stryker Spine Trio Spinal Fixation SystemStryker Spine · 2005 · Recalled
  3. 2 generations backK063601 Pilot Spinal SystemLife Spine · 2007
  4. 1 generation backK082617 Trauson General Spinal System (GSS)Trauson (Jiangsu) Medical Instrument Co., Ltd. · 2009
  5. This deviceK150684 WASTON General Spinal SystemChangzhou Waston Medical Appliance Co., Ltd. · 2015
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K951725Osteonics Spinal SystemOsteonics Corp.1995—
−3K052971Stryker Spine Trio Spinal Fixation SystemStryker Spine20052
−2K063601Pilot Spinal SystemLife Spine2007—
−1K082617Trauson General Spinal System (GSS)Trauson (Jiangsu) Medical Instrument Co., Ltd.2009—
0 (this device)K150684WASTON General Spinal SystemChangzhou Waston Medical Appliance Co., Ltd.2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
200120
200310
FIG. 1 — Lineage of K150684, 1995–2015Source: 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.

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  • 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
*K082617Trauson General Spinal System (GSS)
Summary page 5
…: Requirements for the development, validation, and routine control of a sterilization process for medical devices. Identification of Predicate Device(s) 510(k) Number: K082617 Product Name: Trauson General Spinal System (GSS) Model Name: GSS-II K150684 - Page 3 of 5 Non-Clinical Test Co…
Trauson (Jiangsu) Medical Instrument Co., Ltd.2009—

Also cleared against K082617: 5 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 20 years and passes through 5 companies; a new generation was cleared every 6.8 years on median.
  • 2 of the 8 ancestors have a recall of any class.
  • 5 other devices also cite its predicate K082617.

How does its category compare?

All MNI devices

MNI Orthosis, Spinal Pedicle Fixation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · MNI

1in 2017

2007: 202008: 232009: 182010: 162011: 172012: 192013: 142014: 62015: 122016: 72017: 1
2007high 23 (2008) · low 0 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MNI

168in 2016

2007: 82 days median2008: 64 days median2009: 86 days median2010: 74 days median2011: 111 days median2012: 75 days median2013: 77 days median2014: 104 days median2015: 54 days median2016: 168 days median
2007high 168 (2016) · low 54 (2015)2026

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

Recalls per year · MNI

1in 2018

2007: 262008: 82009: 32010: 12012: 12013: 42015: 12018: 1
2007high 26 (2007) · low 0 (2011)2026

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

Adverse event reports per year · MNI

80in 2025

2007: 832008: 1082009: 1382010: 1262011: 1462012: 2002013: 8242014: 3012015: 2602016: 1172017: 2472018: 1342019: 1882020: 1152021: 2702022: 2142023: 1222024: 1142025: 80
2007high 824 (2013) · low 80 (2025)2025

MAUDE reports naming product code MNI, 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
200720822683
200823648108
200918863138
201016741126
2011171110146
201219751200
201314774824
201461040301
201512541260
201671680117
20171—0247
20180—1134
20190—0188
20200—0115
20210—0270
20220—0214
20230—0122
20240—0114
20250—080
20260—0—

What is it indicated for?

The WASTON General Spinal System is intended for posterior pedicle screw fixation of the non-cervical posterior spine in skeletally mature patients. It provides stabilization and immobilization of spinal segments as an adjunct to fusion in the treatment of the following acute and chronic instabilities deformities: (1) trauma (i.e. fracture or dislocation), (2) curvatures (scoliosis, kyphosis, and/or lordosis), (3) spinal tumor, (4) failed previous fusion, (5) pseudarthrosis, (6) spinal stenosis. It is not intended for pedicle screw fixation above T8.

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. “K150684: WASTON General Spinal System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K150684

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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