The influence of cross shear and contact pressure on the wear of UHMWPE-on-PEEK-OPTIMA™ for use in total knee replacement

Cowie, Raelene M.; Briscoe, Adam; Jennings, Louise M.

doi:10.1016/j.jmbbm.2023.106196

Cited by 5 publications

(4 citation statements)

References 37 publications

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“…Therefore, long-term preservation of the bone was noted, and the loads generated by the prostheses are similar to those that occur in intact joints. We corroborate with the studies by Janssen [20] and Cowie [19] where after 10 years of evolution of cases with PEEK Lt1 20%Ba prosthesis and conventional prostheses, it was noted bone resorption exerted in the mandibular ramus and at the root of the zygomatic arch with conventional prostheses, compared to PEEK Lt1 20%Ba where it was not observed any bone resorption. According to Genovesi [17], "PEEK LT1 20% Ba material has all these properties; it is a promising material for new product development for orthopedic, craniomaxillofacial, oral & maxillofacial and other specialties."…”

Section: Discussionsupporting

confidence: 92%

“…Laboratory studies comparing the different properties of the prosthetic materials used in the most varied joint regions are widespread in the surgical clinic, however, analyzes within this context involving the temporomandibular joint, as well as its components and prosthetic materials are less widespread and scarce in terms of to the use and efficacy of PEEK Lt1 20%Ba. For Cowie [18,19] Janssen [20] in experimental conditions of knee/hip prostheses, the material has been considered an alternative in arthroplasty with high potential and low biological activity against wear particles, when compared to TiCrCo/UWMPE. The beneficial potential of PEEK Lt1 20%Ba was observed in the reduction of stress in the region where the prosthesis joints the bone tissue due to its low rigidity.…”

Section: Discussionmentioning

confidence: 99%

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Ten Years Follow-Up Using TMJ Prosthesis in Peek Lt1 20%Ba, Retrospective Biomechanical and Clinical Study

2023

J Surg

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The Temporomandibular Joint (TMJ) is a complex joint, with distinct anatomical and functional characteristics, making it difficult to treat. Many authors, beginning in the early 20 th century, reported techniques for TMJ reconstruction, aiming at recovering its shape and ideal function. After conducting studies on CT scans of 50 TMJs, A system for customized TMJ prostheses (temporomandibular joint) was developed in PEEK Lt1 20%Ba with 2/3 of the ramus length. The glenoid cavity was shaped into a flattened plane, with removal of the articular eminence of the temporal bone, at an angle of 90° with the base of the skull. The experimental tests were carried out in dry medium and at room temperature in an electromechanical machine of the Model E1000 of the brand INSTRON ® . The analysis of the roughness parameters was evaluated in tracks. The laboratory results were satisfactory. The analysis of the histological synovial tissue in specimen were observed new vessels formation and synovial metaplasia like around prosthesis tissue. Based on 10 years of follow-up (2013 to 2023), with 9 patients and 17 surgeries performed, TMJ reconstruction using full custom TMJ prosthesis using PEEK Lt1 20% Ba, a new surgical technique was performed it is less traumatic than those used by other surgeons worldwide. The design of the prosthesis developed in customized PEEK Lt1 20%Ba presents an anatomical profile, where the center of gravity is preserved which can provide an ideal prosthesis, returning to the aspect physiological mandibular movements, providing less wear on the articular surface of the prosthesis.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Ten Years Follow-Up Using TMJ Prosthesis in Peek Lt1 20%Ba, Retrospective Biomechanical and Clinical Study

2023

J Surg

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“…The corresponding CS values reported in the literature for machine configurations of 28/30, 10/10, 12/15 and 26/45 were 0.087, 0.010, 0.022, and 0.180, respectively. Notably, the same CS of 0.087 was reported for 𝑅 𝑝 of 2, 2.5, 3.5 and 5 mm using a 28/30 configuration [2,17,23,40]. No statistically significant difference was found between the reported CS values in the literature and the CS values calculated (p > 0.05).…”

Section: Visualisation Of Cross-shear Datasetsupporting

confidence: 68%

“…Verification of the solved data set was carried out by determining CS from machine configurations used by Kang et al (2008), Abdelgaied et al (2018Abdelgaied et al ( , 2013, and Cowie et al (2023). These authors used a stroke length (mm) / ± pin rotation (˚) combination of 28/30 with 𝑅 𝑝 of 2, 2.5, 3.5, and 5 mm and 10/10, 12/15, and 26/45 with a 𝑅 𝑝 of 2 mm.…”

Section: Generating Cross-shear Datasetmentioning

confidence: 99%

A method for determining machine configurations for multidirectional pin-on-plate wear testing

Cremer,

Merwe,

Becker

2024

Preprint

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Pin-on-plate wear testing is a commonly employed technique for preclinical evaluation of the wear performance of articulating joint implant materials, as specified by ASTM F732. The latest revision of ASTM F732, introduced multidirectional wear assessment for 'hip-type' wear applications. While multidirectional pin-on-plate wear testing has been adopted to better account for cross-shear and mimic in vivo joint kinematics, selecting appropriate machine configuration for a particular case can be challenging due to the complex nature of the involved machine mechanisms. This study presents a method for formulating and verifying a data set that can be utilised to solve machine parameters for a specific load case. The proposed method employs standard gear radii and is demonstrated with an illustrative example case to showcase the method with a practical application. A holistic view of the parameter design space is formed in this paper, thus simplifying the overall machine parameter selection processes for multidirectional pin-on-plate wear testing.

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Hypoallergenic Knee Implant Usage and Clinical Outcomes: Are They Safe and Effective?

Xie,

Sheng,

Ram

et al. 2024

Arthroplasty Today

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The influence of cross shear and contact pressure on the wear of UHMWPE-on-PEEK-OPTIMA™ for use in total knee replacement

Cited by 5 publications

References 37 publications

Ten Years Follow-Up Using TMJ Prosthesis in Peek Lt1 20%Ba, Retrospective Biomechanical and Clinical Study

Ten Years Follow-Up Using TMJ Prosthesis in Peek Lt1 20%Ba, Retrospective Biomechanical and Clinical Study

A method for determining machine configurations for multidirectional pin-on-plate wear testing

Hypoallergenic Knee Implant Usage and Clinical Outcomes: Are They Safe and Effective?

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