510(k) Report

510(k) · Cleared

Cleared

Modification to Universal Multiaxis (Unimax) Pedicle Screw System

K024313510(k) SpecialCleared Aug 29, 2003248-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

Pisharodi Surgicals, Inc. · MNI Orthosis, Spinal Pedicle Fixation

Cleared on Aug 29, 2003 as substantially equivalent to K014302 (Pisharodi Surgicals, Inc., 2002) after a 248-day review. Its family tree reaches back 2 generations to 2000.

Decided
Aug 29, 2003
Review
248 days
Class
Class II
Product code
MNI
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K001532 (2000). No later device cites it as a predicate yet.

  1. Root · 2 generations backK001532 Dyna-Lok Classic Spinal SystemMedtronic Sofamor Danek, Inc. · 2000
  2. 1 generation backK014302 Universal Multiaxis (Unimax) Pedicle Screw SystemPisharodi Surgicals, Inc. · 2002
  3. This deviceK024313 Modification to Universal Multiaxis (Unimax) Pedicle Screw SystemPisharodi Surgicals, Inc. · 2003
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K001532Dyna-Lok Classic Spinal SystemMedtronic Sofamor Danek, Inc.2000—
−1K014302Universal Multiaxis (Unimax) Pedicle Screw SystemPisharodi Surgicals, Inc.2002—
0 (this device)K024313Modification to Universal Multiaxis (Unimax) Pedicle Screw SystemPisharodi Surgicals, Inc.2003—
FIG. 1 — Lineage of K024313, 2000–2003Source: 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
*K014302Universal Multiaxis (Unimax) Pedicle Screw System
Summary page 2
…t of this Special 510(k) submission is the Offset Horizontal Plate. Its purpose is to provide rigidity to the spinal construct similar to the horizontal plate cleared on K014302. Summary Nonclinical Tests Analysis indicates that the offset horizontal plate is as strong as the predicate device.…
Pisharodi Surgicals, Inc.2002—

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 3 years and passes through 2 companies; a new generation was cleared every 1.8 years on median.
  • None of the 2 ancestors has a recall.

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.

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 Pisharodi Surgicals, Inc. UNIMAX Pedicle Screw System is intended to provide, immobilization and stabilization of non-cervical posterior spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine, When used as a pedicle screw fixation system of the non-cervical spine in skeletally mature patients, the UNIMAX Pedicle…

Read the full statement (183 words)

The Pisharodi Surgicals, Inc. UNIMAX Pedicle Screw System is intended to provide, immobilization and stabilization of non-cervical posterior spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and sacral spine,

When used as a pedicle screw fixation system of the non-cervical spine in skeletally mature patients, the UNIMAX Pedicle Screw System is indicated for one or more of the following: (1) degenerative spondylolisthesis with objective evidence of neurological impairment, (2) fracture, (3) dislocation, (4) scoliosis, (5) kyphosis, (6) spinal tumor, and/or (7) failed previous fusion (pseudarthrosis).

When used as a pedicle screw fixation system the UNIMAX Pedicle Screw System is indicated for skeletally mature patients: (a) having severe spondylolisthesis (Grades 3 and 4) of the fifth lumbar-first sacral (L5S1) vertebral joint; (b) who are receiving fusions using autogenous bone graft only; (c) who are having the device fixed or attached to the lumbar and sacral spine (L3 and below); and (d) who are having the device removed after the development of a solid fusion mass.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K024313: Modification to Universal Multiaxis (Unimax) Pedicle Screw System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K024313

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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