CLASS II Device recall · Reported 19 Jun 2019 · FDA Enforcement Report

iTotal Hip Replacement System: Hbs-033-00xx recalled by Conformis

Conformis is recalling iTotal Hip Replacement System: Hbs-033-00xx-020101, (Hip-patient Specific Stem Right), distributed nationwide in the US. The recall was initiated on 29 Mar 2019 and the FDA has classified it as Class II.

Check your package

Lot, batch or date codesHBS-033-0010-020101: Serial Numbers: 425365, 425428, 425767, 425954, 426249, 426408, 426508, 426722, 426725, 428146, 428328, 429186, 429310, 429857, 430590, 431869, 432271, 432292, 432555, 432773, 433524, 434063, 436063, 436522, 438792, 439464, 439559, 441029; HBS-033-0011-020101: Serial Numbers: 423937, 424879, 425273, 425425, 425457, 425605, 425627, 426730, 427699, 427760, 427897, 428066, 428791, 428802, 429699, 429829, 429856, 429940, 430691, 431029, 432687, 434510, 435069, 435409, 435886, 435961, 436017, 436659, 437864, 437866, 438568, 439309, 439457, 439650, 441929; HBS-033-0012-020101: Serial Numbers:424288, 424377, 426081, 426298, 426581, 426608, 426873, 427353, 427759, 428504, 428744, 428814, 428940, 429787, 429854, 429928, 430045, 430344, 430780, 431025, 431032, 431443, 431813, 432098, 432925, 434265, 434704, 435120, 435483, 435790, 436682, 436891, 437036, 437050, 438471, 438511, 438570, 439453, 439471, 439738, 441009, 441527, 442347; HBS-033-0013-020101: Serial Numbers: 423539, 425277, 426121, 430033, 430129, 430461, 432012, 434291, 435938, 436951, 437614, 437654, 437776, 437932, 438157, 438304, 438384, 439822, 440273, 440446, 441053, 441714, 442149; HBS-033-0014-020101: Serial Numbers: 423852, 425345, 425968, 426897, 427830, 428294, 428697, 428836, 429416, 430028, 431541, 432156, 432399, 432421, 432440, 432524, 433245, 434239, 434884, 435146, 435366, 437208, 438079, 438485, 438916, 438991, 439849, 440604, 440673, 441492; HBS-033-0015-020101: Serial Numbers: 426179, 429192, 429828, 429855, 431489, 431512, 432017, 433642, 436330, 437089, 437495, 437651, 437714, 437906, 438105, 438296, 438739, 438784, 440265; HBS-033-0016-020101: Serial Numbers: 426119, 435562, 437516, 438708, 440704
Quantity recalled183

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

Recall details

Recall number
Z-1776-2019
FDA event ID
82722
Recalling firm
Conformis, Billerica, MA
Classification
Class II
Status
Terminated
Recall initiated
29 Mar 2019
FDA classified
13 Jun 2019
Reported
19 Jun 2019
Type
Voluntary: Firm initiated
Customers notified by
E-Mail
Reason category
Other Reasons

Timeline

29 Mar 2019Recall initiated by company
13 Jun 2019Classified by FDA+76 days
19 Jun 2019Published in enforcement report+6 days

Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.

Reason for recall

Discrepancy of 3mm between the values displayed and approved by surgeons in iViews as the neck/head lengths and the resulting neck/head lengths in the manufactured implants.

Product as listed by the FDA

Conformis iTotal Hip Replacement System: HBS-033-00xx-020101, (HIP-PATIENT SPECIFIC STEM RIGHT)

Where it was distributed

Nationwide

Nationwide

Questions about this recall

Why was it recalled?

Discrepancy of 3mm between the values displayed and approved by surgeons in iViews as the neck/head lengths and the resulting neck/head lengths in the manufactured implants.

Which lots are affected?

HBS-033-0010-020101: Serial Numbers: 425365, 425428, 425767, 425954, 426249, 426408, 426508, 426722, 426725, 428146, 428328, 429186, 429310, 429857, 430590, 431869, 432271, 432292, 432555, 432773, 433524, 434063, 436063, 436522, 438792, 439464, 439559, 441029; HBS-033-0011-020101: Serial Numbers: 423937, 424879, 425273, 425425, 425457, 425605, 425627, 426730, 427699, 427760, 427897, 428066, 428791, 428802, 429699, 429829, 429856, 429940, 430691, 431029, 432687, 434510, 435069, 435409, 435886, 435961, 436017, 436659, 437864, 437866, 438568, 439309, 439457, 439650, 441929; HBS-033-0012-020101: Serial Numbers:424288, 424377, 426081, 426298, 426581, 426608, 426873, 427353, 427759, 428504, 428744, 428814, 428940, 429787, 429854, 429928, 430045, 430344, 430780, 431025, 431032, 431443, 431813, 432098, 432925, 434265, 434704, 435120, 435483, 435790, 436682, 436891, 437036, 437050, 438471, 438511, 438570, 439453, 439471, 439738, 441009, 441527, 442347; HBS-033-0013-020101: Serial Numbers: 423539, 425277, 426121, 430033, 430129, 430461, 432012, 434291, 435938, 436951, 437614, 437654, 437776, 437932, 438157, 438304, 438384, 439822, 440273, 440446, 441053, 441714, 442149; HBS-033-0014-020101: Serial Numbers: 423852, 425345, 425968, 426897, 427830, 428294, 428697, 428836, 429416, 430028, 431541, 432156, 432399, 432421, 432440, 432524, 433245, 434239, 434884, 435146, 435366, 437208, 438079, 438485, 438916, 438991, 439849, 440604, 440673, 441492; HBS-033-0015-020101: Serial Numbers: 426179, 429192, 429828, 429855, 431489, 431512, 432017, 433642, 436330, 437089, 437495, 437651, 437714, 437906, 438105, 438296, 438739, 438784, 440265; HBS-033-0016-020101: Serial Numbers: 426119, 435562, 437516, 438708, 440704

Where was it sold?

Nationwide

What should I do if I have it?

Stop using the device if the notice says to, and contact the manufacturer or your healthcare provider for the correction or replacement.

What does Class II mean?

Class II means the product may cause temporary or medically reversible health problems, or the probability of serious harm is remote.

Read the official FDA notice · Source record retrieved 26 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.

Other products in this recall event

1 other product · FDA event 82722

This product is part of a recall event; the main page for the event is iTotal Hip Replacement System: Hbs-033-00xx recalled by Conformis.

ReportedClassRecallCompanyReasonWhere
CLASS IIiTotal Hip Replacement System: Hbs-033-00xx recalled by ConformisConformisOtherNationwide

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