510(k) Report

510(k) · Cleared

Cleared

Metha Short Stem Hip System; Modular Hip System; Excia Hip System

K081973510(k) SpecialCleared Aug 7, 200828-day reviewClass II21 CFR 888.3353

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

Aesculap Implant Systems, Inc. · LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented

Cleared on Aug 7, 2008 as substantially equivalent to K042344 (Aesculap, Inc., 2005) and 5 other predicates after a 28-day review. Its family tree reaches back 8 generations to 1994. 2 later devices descend from it.

Decided
Aug 7, 2008
Review
28 days
Class
Class II
Product code
LZO
Recalls
None
Predicates
6

Its longest line of descent runs back 8 generations to K941847 (1994). 101 ancestors in all, the oldest K810258 (1981). 2 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2008: 2 other ancestors2007: 1 other ancestor2002: 8 other ancestors2006: 1 other ancestor2005: 1 other ancestor2004: 3 other ancestors2003: 6 other ancestors2001: 4 other ancestors2000: 9 other ancestors1993: 2 other ancestors1999: 2 other ancestors1998: 5 other ancestors1997: 7 other ancestors1996: 8 other ancestors1995: 10 other ancestors1994: 12 other ancestors1992: 1 other ancestor1991: 3 other ancestors1990: 2 other ancestors1987: 2 other ancestors1984: 1 other ancestor1981: 1 other ancestor1985: 1 other ancestor2011: 1 descendant cleared2018: 1 descendant clearedK941847 · 5/8 Porocoat Aml Hip Porocoat Porous Coating · Depuy, Inc. · 1994K964650 · TCP-Coated Porocoat Aml Femoral Hip Prosthesis · Depuy, Inc. · 1997K980711 · Harris/Galante Porous (HGP) Hip Prosthesis with Calcicoat Ceramic Coating · Zimmer, Inc. · 1998 · recalledK001277 · Triflange Acetabular Cup System · DePuy Orthopaedics, Inc. · 2000K031495 · Pinnacle Duofix HA Acetabular Cup Prosthesis · DePuy Orthopaedics, Inc. · 2003K042344 · Excia Total Hip System · Aesculap, Inc. · 2005 · recalledK060918 · Excia Total Hip System 12/14 Trunnion with Ceramic Head · Aesculap, Inc. · 2006K062684 · Excia Total Hip System 36MM Ceramic Head · Aesculap, Inc. · 200619801990200020102020
  1. Root · 8 generations backK941847 5/8 Porocoat Aml Hip Porocoat Porous CoatingDepuy, Inc. · 1994
  2. 7 generations backK964650 TCP-Coated Porocoat Aml Femoral Hip ProsthesisDepuy, Inc. · 1997
  3. 6 generations backK980711 Harris/Galante Porous (HGP) Hip Prosthesis with Calcicoat Ceramic…Zimmer, Inc. · 1998 · Recalled
  4. 5 generations backK001277 Triflange Acetabular Cup SystemDePuy Orthopaedics, Inc. · 2000
  5. 4 generations backK031495 Pinnacle Duofix HA Acetabular Cup ProsthesisDePuy Orthopaedics, Inc. · 2003
  6. 3 generations backK042344 Excia Total Hip SystemAesculap, Inc. · 2005 · Recalled
  7. 2 generations backK060918 Excia Total Hip System 12/14 Trunnion with Ceramic HeadAesculap, Inc. · 2006
  8. 1 generation backK062684 Excia Total Hip System 36MM Ceramic HeadAesculap, Inc. · 2006
  9. This deviceK081973 Metha Short Stem Hip System; Modular Hip System; Excia Hip SystemAesculap Implant Systems, Inc. · 2008
  10. Descendant · cites it directly · 0 of its ownK172235 CoreHip® SystemAesculap Implants Systems, LLC · 2018
  11. Descendant · cites it directly · 0 of its ownK110542 Consensus Biolox Delta Ceramic Femoral HeadConsensus Orthopedics, Inc. · 2011

Most influential descendants

Showing 2 of 2 · See all
  • K172235CoreHip® SystemAesculap Implants Systems, LLC · 2018 · cites it directly0descendants
  • K110542Consensus Biolox Delta Ceramic Femoral HeadConsensus Orthopedics, Inc. · 2011 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K9418475/8 Porocoat Aml Hip Porocoat Porous CoatingDepuy, Inc.1994—
−7K964650TCP-Coated Porocoat Aml Femoral Hip ProsthesisDepuy, Inc.1997—
−6K980711Harris/Galante Porous (HGP) Hip Prosthesis with Calcicoat Ceramic CoatingZimmer, Inc.19981
−5K001277Triflange Acetabular Cup SystemDePuy Orthopaedics, Inc.2000—
−4K031495Pinnacle Duofix HA Acetabular Cup ProsthesisDePuy Orthopaedics, Inc.2003—
−3K042344Excia Total Hip SystemAesculap, Inc.200510
−2K060918Excia Total Hip System 12/14 Trunnion with Ceramic HeadAesculap, Inc.2006—
−1K062684Excia Total Hip System 36MM Ceramic HeadAesculap, Inc.2006—
0 (this device)K081973Metha Short Stem Hip System; Modular Hip System; Excia Hip SystemAesculap Implant Systems, Inc.2008—
+1K172235CoreHip® SystemAesculap Implants Systems, LLC2018—
+1K110542Consensus Biolox Delta Ceramic Femoral HeadConsensus Orthopedics, Inc.2011—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198410
198510
198720
199020
199130
199210
199320
1994120
1995100
199680
199770
199850
199920
200090
200140
200280
200360
200430
200510
200610
200710
200820

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201110
201810
FIG. 1 — Lineage of K081973, 1994–2018Source: 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 LZO? 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 LZO device

  1. #1 K192827 Quadra-Pscore 19.3 · 10 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? (6)

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
*K042344Excia Total Hip System
Summary page 1
…T CODE: LZO/ LPH SUBSTANTIAL EQUIVALENCE Aesculap®, Inc. believes that the Consensus Acetabular Cup is a line extension of Aesculap's Excia (K042344 - K062684) and Metha (K071916 & K080584) Hip Systems that were previously cleared for use with acetabular cups. The Consensus Ac…
Aesculap, Inc.200510
*K062684Excia Total Hip System 36MM Ceramic Head
Summary page 1
…LZO/ LPH SUBSTANTIAL EQUIVALENCE Aesculap®, Inc. believes that the Consensus Acetabular Cup is a line extension of Aesculap's Excia (K042344 - K062684) and Metha (K071916 & K080584) Hip Systems that were previously cleared for use with acetabular cups. The Consensus Acetabular C…
Aesculap, Inc.2006—
*K071916Metha Hip System
Summary page 1
…LZO/ LPH SUBSTANTIAL EQUIVALENCE Aesculap®, Inc. believes that the Consensus Acetabular Cup is a line extension of Aesculap's Excia (K042344 - K062684) and Metha (K071916 & K080584) Hip Systems that were previously cleared for use with acetabular cups. The Consensus Acetabular Cup components have…
Aesculap Implant Systems, Inc.20081
*K080584Metha Short Stem Hip System
Summary page 1
…H SUBSTANTIAL EQUIVALENCE Aesculap®, Inc. believes that the Consensus Acetabular Cup is a line extension of Aesculap's Excia (K042344 - K062684) and Metha (K071916 & K080584) Hip Systems that were previously cleared for use with acetabular cups. The Consensus Acetabular Cup components have been clear…
Aesculap Implant System, Inc.2008—
*K020153Consensus Acetablar Shell, TI Coated
Summary page 1
…2684) and Metha (K071916 & K080584) Hip Systems that were previously cleared for use with acetabular cups. The Consensus Acetabular Cup components have been cleared in K020153 - K070061 for use with the Consensus and Unisyn hip systems from Hayes Medical. DEVICE DESCRIPTION The Consensus Acetabular…
Hayes Medical, Inc.2002—
*K07006136MM Cocr Femoral Head and 36MM Acetabular Insert
Summary page 1
…Metha (K071916 & K080584) Hip Systems that were previously cleared for use with acetabular cups. The Consensus Acetabular Cup components have been cleared in K020153 - K070061 for use with the Consensus and Unisyn hip systems from Hayes Medical. DEVICE DESCRIPTION The Consensus Acetabular Cup from H…
Hayes Medical, Inc.2007—

Also cleared against K042344: 16 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K172235CoreHip® SystemAesculap Implants Systems, LLC20180
K110542Consensus Biolox Delta Ceramic Femoral HeadConsensus Orthopedics, Inc.20110

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 14 years and passes through 5 companies; a new generation was cleared every 1.7 years on median.
  • 26 of the 100 ancestors have a recall of any class.
  • Of its descendants, K172235 (Aesculap Implants Systems, LLC, 2018) has gone furthest, with 0 descendants of its own.
  • 16 other devices also cite its predicate K042344.

How does its category compare?

All LZO devices

LZO Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.

FDA decisions per year · LZO

14in 2025

2007: 92008: 112009: 72010: 152011: 132012: 142013: 262014: 132015: 122016: 102017: 162018: 182019: 282020: 182021: 122022: 112023: 102024: 112025: 142026 (partial year): 9
2007high 28 (2019) · low 7 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LZO

119in 2025

2007: 87 days median2008: 63 days median2009: 83 days median2010: 78 days median2011: 87 days median2012: 98 days median2013: 100 days median2014: 85 days median2015: 115 days median2016: 177 days median2017: 257 days median2018: 163 days median2019: 109 days median2020: 112 days median2021: 170 days median2022: 279 days median2023: 122 days median2024: 111 days median2025: 119 days median2026 (partial year): 102 days median
2007high 279 (2022) · low 63 (2008)2026

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

Recalls per year · LZO

1in 2025

2007: 22008: 132009: 422011: 102012: 142014: 12015: 12016: 92017: 52018: 22019: 42020: 32022: 42023: 22024: 12025: 1
2007high 42 (2009) · low 0 (2010)2026

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

Adverse event reports per year · LZO

3,244in 2025

2007: 1382008: 1252009: 1892010: 3942011: 5442012: 9632013: 1,3702014: 1,4772015: 1,3482016: 1,7282017: 2,1652018: 3,1332019: 3,0662020: 1,9632021: 2,1992022: 1,9852023: 2,0662024: 2,5862025: 3,244
2007high 3,244 (2025) · low 125 (2008)2025

MAUDE reports naming product code LZO, 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
20079872138
2008116313125
200978342189
201015780394
2011138710544
2012149814963
20132610001,370
2014138511,477
20151211511,348
20161017791,728
20171625752,165
20181816323,133
20192810943,066
20201811231,963
20211217002,199
20221127941,985
20231012222,066
20241111112,586
20251411913,244
202691020—

What is it indicated for?

The Excia Hip System is intended to replace a hip joint. The device is intended for: * Patients suffering from severe hip and disability due to rheumatoid arthritis, osteoarthritis, traumatic arthritis, polyarthritis, collagen disorders, avascular necrosis of the femoral head and nonunion of previous fractures of the femur. · Patients with congenital hip dysplasia, protrusion acetabuli, or slipped capital femoral epiphysis · Patients suffering from…

Read the full statement (295 words)

The Excia Hip System is intended to replace a hip joint.

The device is intended for:

* Patients suffering from severe hip and disability due to rheumatoid arthritis, osteoarthritis, traumatic arthritis, polyarthritis, collagen disorders, avascular necrosis of the femoral head and nonunion of previous fractures of the femur.

· Patients with congenital hip dysplasia, protrusion acetabuli, or slipped capital femoral epiphysis

· Patients suffering from disability due previous fusion

· Patients with acute femoral neck fractures

The Excia Hip System is available with two femoral stems. One is manufactured from CoCrMo and is intended for cemented fixation. The other femoral stem is for uncemented fixation and manufactured from Ti with Plasmapore with or without p CaP®.

The Metha® Hip System (uncemented, press-fit fixation) is intended to replace a hip joint.

The device is intended for:

skeletally mature individuals undergoing primary surgery for total hip replacement

patients suffering from severe hip pain and disability due to rheumatoid arthritis, osteoarthritis, traumatic arthritis, polyarthritis, collagen disorders, avascular necrosis of the femoral head and nonunion of previous fractures of the femur.

patients with congenital hip dysplasia, protrusion acetabuli, or slipped capital femoral epiphysis

· patients suffering from disability due to previous fusion

* patients with acute femoral neck fractures

Indications for use of the CONSENSUS® HIP SYSTEM-PRIMARY HIP:

A) Significantly impaired joints resulting from rheumatoid, osteo, and posttraumatic arthritis.

B) Revision of failed femoral head replacement, cup arthroplasty or other hip procedures.

C) Proximal femoral fractures.

D) Avascular necrosis of the femoral head.

E) Non-union of proximal femoral neck fractures.

F) Other indications such as congenital dysplasia, arthrodesis conversion, coxa magna, coxa plana, coxa vara, coxa valga, developmental conditions, metabolic and tumorous conditions, osteomalacia, osteoporosis, pseudarthrosis conversion, and structural abnormalities.

Acetabular components are indicated for cemented and cementless use.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K081973: Metha Short Stem Hip System; Modular Hip System; Excia Hip System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K081973

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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