510(k) Report

510(k) · Cleared

Cleared

Expert-XL Orthopedic Hip Acquisition and Analysis Software

K972517510(k) TraditionalCleared Nov 18, 1997134-day reviewClass II21 CFR 892.1170

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

Lunar Corp. · KGI Densitometer, Bone

Cleared on Nov 18, 1997 as substantially equivalent to K914404 (Lunar, 1992) after a 134-day review. Its family tree reaches back 1 generation to 1992. 1 later device descends from it.

Decided
Nov 18, 1997
Review
134 days
Class
Class II
Product code
KGI
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K914404 (1992). 1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2014: 1 descendant clearedK914404 · Ortho Software Used W/Lunar DPX/DPX-L/DPS-@ Desit · Lunar · 19921990200020102020
Descendants, by generation 1 generation forward: 1 descendant K914404 · Ortho Software Used W/Lunar DPX/DPX-L/DPS-@ Desit · Lunar · 19920
  1. Root · 1 generation backK914404 Ortho Software Used W/Lunar DPX/DPX-L/DPS-@ DesitLunar · 1992
  2. This deviceK972517 Expert-XL Orthopedic Hip Acquisition and Analysis SoftwareLunar Corp. · 1997
  3. Descendant · cites it directly · 0 of its ownK133664 Encore Version 16 Software for GE Lunar Dxa Bone DensitometersGe Medical Systems Ultrasound & Primary Care Diagn · 2014 · Recalled

Most influential descendants

Showing 1 of 1 · See all
  • K133664Encore Version 16 Software for GE Lunar Dxa Bone DensitometersGe Medical Systems Ultrasound & Primary Care Diagn · 2014 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K914404Ortho Software Used W/Lunar DPX/DPX-L/DPS-@ DesitLunar1992—
0 (this device)K972517Expert-XL Orthopedic Hip Acquisition and Analysis SoftwareLunar Corp.1997—
+1K133664Encore Version 16 Software for GE Lunar Dxa Bone DensitometersGe Medical Systems Ultrasound & Primary Care Diagn20141

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201410
FIG. 1 — Lineage of K972517, 1992–2014Source: 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 KGI? 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 KGI device

  1. #1 K252718 Lunar Astrascore 13.3 · 8 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
*K914404Ortho Software Used W/Lunar DPX/DPX-L/DPS-@ Desit
Summary page 1
…ame: EXPERT-XL Orthopedic Hip Acquisition and Analysis Software Common Name: Bone Densitometer Classification Name: Bone Densitometer 21CFR 892.1170 Predicate Device: K914404 Orthopedic Software for Lunar DPX Series densitometers 10.1 DESCRIPTION OF THE DEVICE: The Orthopedic Hip Acquisition and Analy…
Lunar1992—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K133664Encore Version 16 Software for GE Lunar Dxa Bone DensitometersGe Medical Systems Ultrasound & Primary Care Diagn20140

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.
  • Of its descendants, K133664 (Ge Medical Systems Ultrasound & Primary Care Diagn, 2014) has gone furthest, with 0 descendants of its own.

How does its category compare?

All KGI devices

KGI Densitometer, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KGI

3in 2025

2007: 22008: 52009: 12011: 22012: 52013: 12014: 22016: 22018: 12019: 12022: 22023: 12025: 32026 (partial year): 2
2007high 5 (2008) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KGI

156in 2025

2008: 173 days median2012: 142 days median2025: 156 days median
2007high 173 (2008) · low 142 (2012)2026

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

Recalls per year · KGI

1in 2016

2008: 62009: 92011: 12016: 1
2007high 9 (2009) · low 0 (2007)2026

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

Adverse event reports per year · KGI

8in 2025

2008: 22009: 32011: 52012: 12013: 12014: 22016: 12017: 162018: 62020: 22021: 12022: 12023: 22024: 22025: 8
2007high 16 (2017) · low 0 (2007)2025

MAUDE reports naming product code KGI, 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—00
2008517362
20091—93
20100—00
20112—15
2012514201
20131—01
20142—02
20150—00
20162—11
20170—016
20181—06
20191—00
20200—02
20210—01
20222—01
20231—02
20240—02
2025315608
20262—0—

What is it indicated for?

The EXPERT-XL Orthopedic Hip Acquisition and Analysis Software is used with the EXPERT-XL Bone Mineral Densitometry system. This new software feature allows for estimation of periprosthetic BMD of an orthopedic hip implant in sub-regions called Gruen zones. These zones are a typical radiographic labeling technique for orthopedic hip implants. The EXPERT-XL Orthopedic Hip Acquisition and Analysis Software requires a 12 seconds with an entrance radiation…

Read the full statement (128 words)

The EXPERT-XL Orthopedic Hip Acquisition and Analysis Software is used with the EXPERT-XL Bone Mineral Densitometry system. This new software feature allows for estimation of periprosthetic BMD of an orthopedic hip implant in sub-regions called Gruen zones. These zones are a typical radiographic labeling technique for orthopedic hip implants.

The EXPERT-XL Orthopedic Hip Acquisition and Analysis Software requires a 12 seconds with an entrance radiation exposure to the skin of 53 mrem. This software posses no new safety or efficacy concerns.

The use on the EXPERT-XL Orthopedic Hip Acquisition and Analysis Software is restricted to prescription only. The User’s Guide for the system contains the following statement:

“United States Federal law restricts this device to the sale,

distribution, and use by or on the order of a physician.”

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. “K972517: Expert-XL Orthopedic Hip Acquisition and Analysis Software.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K972517

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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