Dean v. Wright Medical Technology, Inc.

CourtDistrict Court, D. Colorado
DecidedMarch 25, 2022
Docket1:21-cv-00951
StatusUnknown

This text of Dean v. Wright Medical Technology, Inc. (Dean v. Wright Medical Technology, Inc.) is published on Counsel Stack Legal Research, covering District Court, D. Colorado primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Dean v. Wright Medical Technology, Inc., (D. Colo. 2022).

Opinion

IN THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF COLORADO Chief Judge Philip A. Brimmer

Civil Action No. 21-cv-00951-PAB-STV

JON DEAN,

Plaintiff,

v.

WRIGHT MEDICAL TECHNOLOGY, INC.,

Defendant.

ORDER

This matter is before the Court on Defendant’s Partial Motion to Dismiss Plaintiff’s Complaint [Docket No. 8]. Plaintiff responded, Docket No. 15, and defendant replied. Docket No. 22. The Court has jurisdiction pursuant to 28 U.S.C. § 1332. I. BACKGROUND1 This case arises out of issues plaintiff experienced after a hip replacement with hardware that defendant manufactured. See generally Docket No. 1. A. Defendant’s Development of Metal-on-Metal Hip Devices Defendant has designed, developed, manufactured, marketed, and sold prosthetic orthopedic devices. Id. at 2, ¶ 5. Between approximately 2003 and 2011, defendant marketed and sold several metal-on-metal (“MoM”) hip-replacement devices. Id. at 3, ¶ 10. One of these MoM devices, which is at issue in this case, is the Dynasty® Total Hip System (the “Dynasty Device”). Id. at 2–3, ¶¶ 5, 10. The Dynasty Device includes five

1 The Court assumes that the allegations in plaintiff’s Complaint for Damages [Docket No. 1] are true in considering this motion to dismiss. Brown v. Montoya, 662 F.3d 1152, 1162 (10th Cir. 2011). metal components: “(1) a stem inserted into the patient’s femur, (2) a neck that connects the stem to (3) a BFH metal femoral head (which [defendant] called the ‘BFH’ – for ‘big femoral head’ – and the A-Class BFH), (4) a metal liner, and (5) an acetabular shell.” Id. at 3, ¶ 11. The Dynasty Device – like all hip-implant devices – is regulated by the Food and Drug Administration (“FDA”) as a Class III medical device. Id., ¶ 12. The FDA requires all

Class III devices to comply with either the pre-market approval process (“PMA”) or the section 510(k) substantial equivalence pre-market clearance process (“510(k) Clearance”)2 before a manufacturer can market and sell a device. Id., ¶ 13. The acetabular shell component of the Dynasty Device has several variations, including “the ‘Thick Shell’ (with a 5 mm wall thickness), the ‘Thin Shell’ (with a 3 to 4 mm wall thickness), the ‘Spiked Shell’ (with spikes), and the ‘HA Shell’ (with a hydroxyl apatite coating to facilitate bony ingrowth).” Id. at 4, ¶ 15. Although defendant obtained 510(k) Clearance to market the Spiked Shell in 2003 and the HA Shell and Thick Shell in 2004, defendant failed to seek 510(k) Clearance for the Thin Shell until November 2011, even though 90% of the Dynasty Devices sold between 2003 and 2011 utilized the Thin Shell.

Id., ¶¶ 16, 18. Defendant did not receive clearance from the FDA to market the Thin Shell until February 2012, when defendant had already stopped marketing the Dynasty Device. Id., ¶¶ 18, 19. Defendant’s involvement in the hip-replacement device industry began in December 1994, when it purchased Orthomet, Inc. (“Orthomet”). Id. at 4–5, ¶¶ 20–21. At

2 “A 510(k) notice is a premarket submission in which the manufacturer claims the submitted device is substantially equivalent to a predicate device that is already on the market.” Id. at 8, ¶ 45. that time, most hip-replacement devices used a press-fit metal shell with porous coating and a separate polyethylene liner with a ceramic or metal head (“MoP devices”), but Orthomet was in the development stages of two metal-on-metal (“MoM”) hip-replacement systems: the Transcend MoM Total Hip System (which later became the Conserve® Total Hip Device) and the Conserve® Resurfacing Device. Id. at 5, ¶¶ 21, 23. In November 1995, two employees of defendant attended a four-day “MoM summit, open discussion,

debate, and dialogue” about MoM hip replacements, at which experts concluded that MoM devices may not be a good alternative to MoP devices and that more research was needed to assess the risks that MoM devices posed. Id. at 6, ¶¶ 28–29. The same year, before defendant’s marketing of the Dynasty Device, leading surgeons and designers notified defendant “of a number of major MoM risks that demanded further testing,” including: “metal toxicity, inflammation, bone loss, allergic reaction, local tumor formation, systemic effects, soft tissue necrosis, osteolysis, and blood-borne metal ions.” Id., ¶ 30. Despite this information, defendant did not study these known risks before marketing the Dynasty Devices or their components. Id., ¶ 31. In addition to the Dynasty Device, defendant manufactured a separate hip device,

the Conserve® Plus Resurfacing Hip System (the “Conserve Plus Device”). Id. at 6–7, ¶¶ 32–39. In 2000, defendant initiated clinical studies of the Conserve Plus Device and, in 2003, defendant submitted a PMA application for the Conserve Plus Device using the Thick Shell. Id., ¶¶ 32–33. Defendant sought to add a Thin Shell to the Conserve Plus Device PMA submission, but the clinical data from Investigational Device Exemption (“IDE”) testing showed such high failure rates when utilizing the Thin Shell that defendant withdrew the Thin Shell from its PMA application at least twice between 2003 and November 2011.3 Id. at 7, ¶ 39. Specifically, the data reflected a revision rate – i.e., a failure of the hip-replacement device requiring a surgery to replace its components – of 18.6% of the patients who received the Conserve Plus Device with the Thin Shell after 24 months. Id. at 8, at ¶ 40. Despite these failures in the clinical trials, defendant marketed and sold MoM devices, including the Dynasty Device, using the Thin Shell from 2003 to 2011 without PMA or 510(k) Clearance and without informing surgeons or patients of the

high revision rate observed during the clinical trials. Id., ¶¶ 41–42. The FDA found that defendant had “under-reported Thin Shell failures and that the Thin Shell’s revision rate exceeded 33% in [defendant’s] clinical studies.” Id., ¶ 43. In 2003, defendant introduced the Thin Shell into the Dynasty Device without notification to the FDA, PMA, or 510(k) Clearance. Id. at 9, ¶ 54. Instead, defendant used a “Letter to File,” “an internal . . . decision [by defendant] to market the Thin Shell without notice to the FDA . . . based on the supposed ‘Minor Modification’ to other substantially similar devices on the market.” Id., ¶ 55. Defendant allegedly “did not conduct any clinical testing beyond the failed IDE to evaluate whether the change from a Thick Shell to a Thin Shell affected safety or efficacy.” Id. at 10, ¶ 58. In September 2011, defendant

“acknowledged that the Thin Shell design marketed under the February 13, 2003 Letter to File . . . presented a new[,] worse case (thinner shell) and therefore should have been submitted to FDA for review under the 510(k) [Clearance] process before marketing and sale of the . . . Thin Shell began in 2003.” Id., at ¶ 61.

3 “An IDE [study] allows a non-cleared, non-approved medical device to be used as part of a clinical study to collect data as to safety and efficacy to support a PMA application or 510(k) [Clearance] submission to the FDA.” Id. ¶ 32 n.1. In July 2004, the FDA placed defendant on an Integrity Hold for regulatory violations related to the Conserve Plus Device and IDE study, and defendant remained on an Integrity Hold until September 2007. Id., ¶¶ 36, 38. B. Defendant’s Marketing of the Dynasty Device Defendant marketed the Dynasty Device to surgeons “as capable of increasing range of motion, decreasing dislocation issues, lower wear, and biocompatibility, all of which were presented as significant benefits for young and active recipients as well as anyone possessing a high-demand hip.” Id. at 11, ¶ 64. Defendant also promoted the biocompatibility and longevity of the device. Id. at 14, ¶ 70.

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