510(k) Report

510(k) · Cleared

Cleared

iNSitu Total Hip System

K192071510(k) SpecialCleared Aug 30, 201928-day reviewClass II21 CFR 888.3358

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

Theken Companies, LLC · LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented

Cleared on Aug 30, 2019 as substantially equivalent to K161184 (Theken Companies, LLC, 2016) and 1 other predicate after a 28-day review. Its family tree reaches back 12 generations to 1994. 4 later devices descend from it.

Decided
Aug 30, 2019
Review
28 days
Class
Class II
Product code
LPH
Recalls
None
Predicates
2

Its longest line of descent runs back 12 generations to K931641 (1994). 191 ancestors in all, the oldest K810258 (1981). 4 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2014: 1 other ancestor2012: 1 other ancestor2011: 3 other ancestors2010: 4 other ancestors2006: 4 other ancestors1993: 5 other ancestors2007: 3 other ancestors2005: 6 other ancestors2003: 8 other ancestors2002: 11 other ancestors2000: 14 other ancestors1998: 8 other ancestors1996: 16 other ancestors1995: 18 other ancestors1994: 25 other ancestors1992: 4 other ancestors2008: 1 other ancestor2004: 4 other ancestors2001: 6 other ancestors1999: 9 other ancestors1983: 1 other ancestor1997: 13 other ancestors1986: 3 other ancestors1991: 2 other ancestors1988: 1 other ancestor1985: 2 other ancestors1981: 1 other ancestor1990: 2 other ancestors1984: 1 other ancestor1987: 1 other ancestor2022: 1 descendant cleared2024: 2 descendants cleared2026: 1 descendant clearedK931641 · Porocoat Porous Coating · Depuy, Inc. · 1994K003800 · Aml Hip Prosthesis · DePuy Orthopaedics, Inc. · 2001K012364 · Aml Hip Prosthesis · DePuy Orthopaedics, Inc. · 2001K030236 · Acumatch P-Series Porous Press-Fit Femoral Component · Exactech, Inc. · 2003×2: 2 generations cleared close together, K041906 (2004), K042842 (2004) K102487 · Novation Femoral Stem, Tapered 12/14 , Standard/Extended Offset, Plasma Coated, Press-Fit, Size 19/20 · Exactech, Inc. · 2010K112802 · Pipeline Total Hip System · Pipeline Orthopedics · 2012K122158 · PBP Total Hip System · Pipeline Biomedical Products, LLC · 2012K131237 · Pipeline Total Hip System · Pipeline Orthopedics · 2013K161184 · iNSitu Total Hip System · Theken Companies, LLC · 2016K172501 · iNSitu Total Hip System · Theken Companies, LLC · 201719801990200020102020
  1. Root · 12 generations backK931641 Porocoat Porous CoatingDepuy, Inc. · 1994
  2. 8 generations between
  3. 3 generations backK131237 Pipeline Total Hip SystemPipeline Orthopedics · 2013
  4. 2 generations backK161184 iNSitu Total Hip SystemTheken Companies, LLC · 2016
  5. 1 generation backK172501 iNSitu Total Hip SystemTheken Companies, LLC · 2017
  6. This deviceK192071 iNSitu Total Hip SystemTheken Companies, LLC · 2019
  7. Descendant · cites it directly · 2 of its ownK241690 Logical Liner; World Liner; World Knee PatellaSignature Orthopaedics Pty, Ltd. · 2024
  8. Descendant · 2 generations on · 0 of its ownK252824 Evolve AP Cup, World Finned Cup, World G-Zero Liner and Oddball…Signature Orthopaedics Pty, Ltd. · 2026
  9. Descendant · 2 generations on · 0 of its ownK243162 World LinerSignature Orthopaedics Pty, Ltd. · 2024
  10. Descendant · cites it directly · 0 of its ownK220336 Mg-PSZ Ceramic Femoral HeadTheken Companies · 2022
Show all 12 generations
  1. Root · 12 generations backK931641 Porocoat Porous CoatingDepuy, Inc. · 1994
  2. 11 generations backK003800 Aml Hip ProsthesisDePuy Orthopaedics, Inc. · 2001
  3. 10 generations backK012364 Aml Hip ProsthesisDePuy Orthopaedics, Inc. · 2001
  4. 9 generations backK030236 Acumatch P-Series Porous Press-Fit Femoral ComponentExactech, Inc. · 2003
  5. 8 generations backK041906 Exactech 12/14 Total Hip SystemExactech, Inc. · 2004 · Recalled
  6. 7 generations backK042842 Novation 12/14 Press-Fit Femoral StemExactech, Inc. · 2004
  7. 6 generations backK102487 Novation Femoral Stem, Tapered 12/14 , Standard/Extended Offset…Exactech, Inc. · 2010
  8. 5 generations backK112802 Pipeline Total Hip SystemPipeline Orthopedics · 2012
  9. 4 generations backK122158 PBP Total Hip SystemPipeline Biomedical Products, LLC · 2012
  10. 3 generations backK131237 Pipeline Total Hip SystemPipeline Orthopedics · 2013
  11. 2 generations backK161184 iNSitu Total Hip SystemTheken Companies, LLC · 2016
  12. 1 generation backK172501 iNSitu Total Hip SystemTheken Companies, LLC · 2017
  13. This deviceK192071 iNSitu Total Hip SystemTheken Companies, LLC · 2019

Most influential descendants

Showing 4 of 4 · See all
  • K241690Logical Liner; World Liner; World Knee PatellaSignature Orthopaedics Pty, Ltd. · 2024 · cites it directly2descendants
  • K252824Evolve AP Cup, World Finned Cup, World G-Zero Liner and Oddball Femoral HeadSignature Orthopaedics Pty, Ltd. · 2026 · 2 generations on0descendants
  • K243162World LinerSignature Orthopaedics Pty, Ltd. · 2024 · 2 generations on0descendants
  • K220336Mg-PSZ Ceramic Femoral HeadTheken Companies · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−12K931641Porocoat Porous CoatingDepuy, Inc.1994—
−11K003800Aml Hip ProsthesisDePuy Orthopaedics, Inc.2001—
−10K012364Aml Hip ProsthesisDePuy Orthopaedics, Inc.2001—
−9K030236Acumatch P-Series Porous Press-Fit Femoral ComponentExactech, Inc.2003—
−8K041906Exactech 12/14 Total Hip SystemExactech, Inc.20041
−7K042842Novation 12/14 Press-Fit Femoral StemExactech, Inc.2004—
−6K102487Novation Femoral Stem, Tapered 12/14 , Standard/Extended Offset, Plasma…Exactech, Inc.2010—
−5K112802Pipeline Total Hip SystemPipeline Orthopedics2012—
−4K122158PBP Total Hip SystemPipeline Biomedical Products, LLC2012—
−3K131237Pipeline Total Hip SystemPipeline Orthopedics2013—
−2K161184iNSitu Total Hip SystemTheken Companies, LLC2016—
−1K172501iNSitu Total Hip SystemTheken Companies, LLC2017—
0 (this device)K192071iNSitu Total Hip SystemTheken Companies, LLC2019—
+1K241690Logical Liner; World Liner; World Knee PatellaSignature Orthopaedics Pty, Ltd.2024—
+2K252824Evolve AP Cup, World Finned Cup, World G-Zero Liner and Oddball Femoral HeadSignature Orthopaedics Pty, Ltd.2026—
+2K243162World LinerSignature Orthopaedics Pty, Ltd.2024—
+1K220336Mg-PSZ Ceramic Femoral HeadTheken Companies2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198310
198410
198520
198630
198710
198810
199020
199120
199240
199350
1994250
1995180
1996160
1997130
199880
199990
2000140
200160
2002110
200380
200440
200560
200640
200730
200810
201040
201130
201210
201410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
202420
202610
FIG. 1 — Lineage of K192071, 1994–2026Source: 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 LPH? 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 LPH device

  1. #1 K233498 Stryker Orthopaedics Hip Systems Labeling Updatescore 24.3 · 20 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

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
*K161184iNSitu Total Hip System
Summary page 4
…y Marketed Predicate This Special 510(k) submission is to add a line extension, specifically a dual-tapered (Blade) Femoral Stem, to the iNSitu Total Hip System (K161184/K172501). Company Device Name 510(k) Number(s) Clearance Date…
Theken Companies, LLC2016—
*K172501iNSitu Total Hip System
Summary page 4
…ed Predicate This Special 510(k) submission is to add a line extension, specifically a dual-tapered (Blade) Femoral Stem, to the iNSitu Total Hip System (K161184/K172501). Company Device Name 510(k) Number(s) Clearance Date…
Theken Companies, LLC2017—

Also cleared against K161184: 6 other devices →

What descends from it? (4)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K241690Logical Liner; World Liner; World Knee PatellaSignature Orthopaedics Pty, Ltd.20242
K220336Mg-PSZ Ceramic Femoral HeadTheken Companies20220

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 25 years and passes through 6 companies; a new generation was cleared every 1.3 years on median.
  • 39 of the 190 ancestors have a recall of any class.
  • Of its descendants, K241690 (Signature Orthopaedics Pty, Ltd., 2024) has gone furthest, with 2 descendants of its own.
  • 6 other devices also cite its predicate K161184.

How does its category compare?

All LPH devices

LPH Prosthesis, Hip, Semi-Constrained, Metal/Polymer, Porous Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · LPH

12in 2025

2007: 102008: 102009: 32010: 152011: 162012: 252013: 112014: 202015: 182016: 102017: 122018: 92019: 222020: 72021: 82022: 142023: 102024: 62025: 122026 (partial year): 8
2007high 25 (2012) · low 3 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LPH

153in 2025

2007: 116 days median2008: 86 days median2009: 112 days median2010: 100 days median2011: 110 days median2012: 76 days median2013: 135 days median2014: 129 days median2015: 111 days median2016: 150 days median2017: 121 days median2018: 145 days median2019: 164 days median2020: 164 days median2021: 410 days median2022: 247 days median2023: 111 days median2024: 92 days median2025: 153 days median2026 (partial year): 256 days median
2007high 410 (2021) · low 76 (2012)2026

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

Recalls per year · LPH

4in 2025

2007: 162008: 12009: 22010: 222011: 262012: 302013: 92014: 32015: 12016: 82017: 142018: 22019: 82020: 62021: 42022: 22023: 22024: 12025: 42026 (partial year): 2
2007high 30 (2012) · low 1 (2008)2026

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

Adverse event reports per year · LPH

6,163in 2025

2007: 5092008: 7062009: 1,1562010: 2,0072011: 3,3202012: 3,7852013: 5,0022014: 5,1632015: 5,8302016: 4,9002017: 5,3122018: 5,9542019: 7,1302020: 5,4292021: 5,9782022: 5,2232023: 5,3452024: 5,6262025: 6,163
2007high 7,130 (2019) · low 509 (2007)2025

MAUDE reports naming product code LPH, 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
20071011616509
200810861706
2009311221,156
201015100222,007
201116110263,320
20122576303,785
20131113595,002
20142012935,163
20151811115,830
20161015084,900
201712121145,312
2018914525,954
20192216487,130
2020716465,429
2021841045,978
20221424725,223
20231011125,345
202469215,626
20251215346,163
202682562—

What is it indicated for?

The iNSitu Total Hip System is indicated for use in skeletally mature individuals undergoing surgery for total hip replacement due to: * A severely painful and/or disabled joint from osteoarthritis, traumatic arthritis, rheumatoid arthritis, avascular necrosis, or congenital hip dysplasia; * Acute traumatic fracture of the femoral head or neck; * Failed previous hip surgery including joint reconstruction, internal fixation, arthrodesis, hemiarthroplasty…

Read the full statement (104 words)

The iNSitu Total Hip System is indicated for use in skeletally mature individuals undergoing surgery for total hip replacement due to:

* A severely painful and/or disabled joint from osteoarthritis, traumatic arthritis, rheumatoid arthritis, avascular necrosis, or congenital hip dysplasia;

* Acute traumatic fracture of the femoral head or neck;

* Failed previous hip surgery including joint reconstruction, internal fixation, arthrodesis, hemiarthroplasty, surface replacement arthroplasty or total hip replacement

The iNSitu Total Hip System femoral stem is intended for cementless fixation. The iNSitu Total Hip System acetabular cup is intended for cementless fixation. The porous structured surfaces provide biological fixation in a cementless application.

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. “K192071: iNSitu Total Hip System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K192071

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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