Haverl v. Howmedica Osteonics Corporation

CourtDistrict Court, M.D. Pennsylvania
DecidedAugust 31, 2022
Docket1:20-cv-02361
StatusUnknown

This text of Haverl v. Howmedica Osteonics Corporation (Haverl v. Howmedica Osteonics Corporation) is published on Counsel Stack Legal Research, covering District Court, M.D. Pennsylvania primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Haverl v. Howmedica Osteonics Corporation, (M.D. Pa. 2022).

Opinion

IN THE UNITED STATES DISTRICT COURT FOR THE MIDDLE DISTRICT OF PENNSYLVANIA

JOSEPH HAVERL, : CIVIL ACTION NO. 1:20-CV-2361 : Plaintiff : (Judge Conner) : v. : : HOWMEDICA OSTEONICS : CORPORATION d/b/a STRYKER : ORTHOPAEDICS and OSARTIS : GMBH f/k/a AAP BIOMATERIALS : GMBH, : : Defendants :

MEMORANDUM

Plaintiff Joseph Haverl brings a products liability and negligence suit against defendants Howmedica Osteonics Corporation doing business as Stryker Orthopaedics (“Stryker”) and Osartis GMBH formerly known as AAP Biomaterials GMBH (“Osartis”) (collectively “defendants”) concerning an unsuccessful knee replacement surgery. Stryker moves to dismiss Haverl’s claims pursuant to Rule of Federal Civil Procedure 12(b)(6). We will partially grant Stryker’s motion. I. Factual Background & Procedural History

Stryker is an American corporation engaged in the business of selling, inter alia, bone cements used in knee replacement surgeries. (See Doc. 42 ¶¶ 2, 14-16). Stryker markets two bone cement products relevant to this litigation: a medium- viscosity cement called “Simplex P” and a high-viscosity cement called “Simplex HV.” (See id. ¶ 16). Simplex P and Simplex HV are both polymethylmethacrylate (“PMMA”) cements. (See id. ¶¶ 17, 39). During knee replacement surgery, medical professionals make PMMA cements by combining the cement’s powder and liquid components in a delicate mixing process. (See id. ¶¶ 15, 38). The significance of a cement’s viscosity is the way that viscosity impacts the mixing process. (See id.

¶¶ 15, 46). Distilling the complexities of medical science down to their barest essence: the lower the cement’s viscosity, the more akin the cement remains to a liquid during the mixing process. (See id. ¶¶ 48-49, 54). The higher the viscosity, the more quickly the cement becomes akin to a dough. (See id. ¶¶ 21, 48). It is harder to remove air from a dough-like substance than a liquid-like substance. (See id. ¶¶ 21, 48). The more air left in the cement at the end of the mixing process, the more porous the cement. (See id. ¶ 19). The more porous the cement, the more

prone the cement is to failure after application. (See id. ¶¶ 20, 25, 50, 135, 137-38). Thus, high-viscosity cements, while quicker to prepare, are generally more prone to failure than less viscous cements. (See id. ¶¶ 70, 76). A. Development of Simplex HV Stryker first started selling Simplex P several decades ago. (See id. ¶ 16). A successful product, Simplex P was, as of 2013, the most used PMMA cement in the

United States, controlling roughly 60% of the PMMA market. (See id. ¶ 17). Up until 2013, Stryker marketed the medium-viscosity Simplex P specifically as being safer than competing high-viscosity cements because of its lower porosity. (See id. ¶¶ 18-21). Nonetheless, Stryker decided around 2010 that it wanted to enter the growing market for high-viscosity bone cements. (See id. ¶¶ 22-24). Stryker initially tried to develop its own high-viscosity cement but ultimately decided it was more cost effective to purchase an existing high-viscosity cement—a product called “BonOs R” from the German company Osartis. (See id. ¶¶ 24-28). Osartis and Stryker cooperated to obtain regulatory approval to sell and

market BonOs R in the United States. (See id. ¶¶ 31-34). The two companies jointly conducted the testing required for marketing the product in the United States and worked together to adjust the formula for BonOs R in response to FDA concerns. (See id. ¶¶ 29-31, 33). They also collaborated on the instructions for using BonOs R. (See id. ¶ 32). Stryker and Osartis obtained regulatory approval for their high- viscosity cement in 2013 and began selling BonOs R under the name “Simplex HV” throughout the United States. (See id. ¶¶ 36-37).

B. Haverl’s Knee Replacement Haverl underwent knee replacement surgery on his right knee on or about June 8, 2018. (See id. ¶ 79). The surgeon who performed Haverl’s surgery, Dr. Scott King, D.O., used Simplex HV to affix the components of Haverl’s new artificial knee to his existing bones. (See id. ¶¶ 79-80). Following completion of the surgery, Haverl began feeling “sharp and stabbing” pains in his right knee that were made

“worse by movement.” (See id. ¶ 81). On or about December 18, 2018, Dr. King conducted a “revision surgery” on Haverl’s right knee to address the pain. (See id. ¶ 83). During the second surgery, Dr. King observed that the cause of Haverl’s pain was the “mechanical loosening” of the tibial component of Haverl’s artificial knee. (See id.) While the Simplex HV bonded properly with Haverl’s bone, it purportedly failed to bond with the metal portion of the tibial component. (See id.) Dr. King rebonded the tibial component to the bone using a low-viscosity cement. (See id. ¶ 84). Haverl alleges he continues to experience pain, suffering, and physical impairment as a result of his failed knee replacement. (See id. ¶ 85). C. Alleged Shortcomings of Simplex HV

Haverl alleges several shortcomings in Simplex HV’s design, manufacturing, and instructions contributed to his injury. (See id. ¶¶ 38-78, 114-16, 147-50, 166-67, 190, 196, 207). • Haverl alleges Simplex HV must be applied at precisely the right phase of the mixing process for it to adhere properly, particularly to metal. (See id. ¶¶ 40- 42). When Simplex HV is applied outside of that phase, the cement loses 90 percent of its adhesion strength. (See id. ¶ 41). Harverl claims it is difficult for medical professionals to determine when Simplex HV is in the optimal phase for application or when it has left the optimal phase and become unlikely to properly adhere. (See id. ¶ 40).

• Haverl alleges that Simplex HV’s viscosity differs significantly from package to package, even when the packages come from the same manufacturing lots. (See id. ¶¶ 45, 129). The difference in viscosity can alter the optimal moment for application by as much as two minutes. (See id. ¶¶ 45-47). Defendants never apprised customers or medical professionals of this variance. (See id. ¶¶ 130-31).

• Haverl alleges that Simple HV “depth of intrusion into bone” was significantly less than that of Simplex P and, at least under certain circumstances, less than that of a rival high-viscosity cement called Palacos R. (See id. ¶¶ 67, 144, 229-31).

• Haverl alleges that defendants failed to inform medical professionals, including Dr. King, about the risks posed by Simple HV’s overall porosity problem, inconsistency from package to package, and inferior bone intrusion, or how to safely reduce the porosity of Simplex HV. (See id. ¶¶ 55-59, 69, 119- 21, 124, 133, 135-42, 232). Specifically, he alleges they failed to instruct medical professionals, including Dr. King, that porosity can be safely decreased by prechilling Simplex HV or by employing certain “vacuum mixers.” (See id. ¶¶ 55, 57, 59, 60, 69). Haverl alleges knee replacements utilizing Simplex HV are several times more likely to be affected by “early aseptic loosening”—the premature loosening of the bond between a metal component of the artificial knee and the patient’s bone—

than surgeries conducted using Simplex P or the rival high-viscosity cement, Palacos R. (See id. ¶¶ 33, 71, 77, 153, 225-26, 228). Aseptic loosening results in pain to the patient and damage to the patient’s bone, frequently requiring revision surgery to replace the artificial knee implant and possibly reconstruct the damaged bone. (See id. ¶¶ 71-75). Revision surgeries carry higher risk for complications and lasting limitations on the patient’s range of motion. (See id. ¶ 75). D. Obfuscation of Simplex HR’s Shortcomings

Haverl also alleges defendants were aware of Simplex HV’s shortcomings. (See id. ¶¶ 33-35, 68, 126, 128, 130, 173, 226-28, 234). Yet defendants allegedly marketed Simplex HV and provided instructions for using Simplex HV that obfuscated these shortcomings. (See id.

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Haverl v. Howmedica Osteonics Corporation, Counsel Stack Legal Research, https://law.counselstack.com/opinion/haverl-v-howmedica-osteonics-corporation-pamd-2022.