The Videos

Designing and testing implant coatings


This video traces the process of developing a thin-film coating. It includes the challenges and progress in scaling up the Silicon Nitride coating from the research lab to industrial level, the timescale for achieving a marketable coating, and the advantages HIPIMS technology offers in delivering smoother, more uniform coatings. The video also highlights the new testing methodologies that have been developed, including debris isolation techniques and cell response assays codified in CEN Workshop Agreements; mechanical simulators developed for the project that can mimic loading cycles for activities of daily living; methodologies to investigate what happens at the taper junction; and examining wear and corrosion as components of implant damage (filmed in January–February 2018 in Olten: CH, Leeds: GB, and Hamburg: D).

Link: Designing and testing implant coatings

 

Simulating and modelling hip joint mechanics and wear


Both computational and mechanical simulation of hip joint mechanics and wear are covered in this video. It shows computational modelling of hip joint loading, which incorporates gait analysis of hip replacement patients conducting activities of daily living into musculoskeletal simulation models. It also covers the incorporation of patient gait cycles into mechanical wear simulators, designed for the project, to capture motion within the implant and the resulting damage caused by both wear and corrosion (filmed in January 2018 in Zurich: CH, and Leeds: GB.

Link: Simulating and modelling hip joint mechanics and wear

 

LifeLongJoints: anatomy of an EU research project


We explain the challenges the LifeLongJoints research project set out to address, hearing from a range of partners about their contributions to the project and their insights and achievements in the past five years. Contributors also anticipate how medical device development and their own specialisms might progress in the next ten years (filmed in January–February 2018 in Zurich and Olten: CH, Leeds: GB, and Hamburg: D).

Link: LifeLongJoints: anatomy of an EU research project

 

Wear prediction of total hip replacements


Dr Nilanjan Das Chakladar of the School of Mechanical Engineering in Leeds University’s Faculty of Engineering explains the computational simulation model he developed that can predict implant wear in a matter of hours. The model uses patient gait analysis data captured by Leeds Teaching Hospitals Trust (filmed in January 2018 in Leeds: GB).

Link: Dr Nilanjan Das Chakladar on wear prediction

 

LifeLongJoints: a rare opportunity for early research


Young research graduates at Leeds University talk about their research and the unusual opportunities and challenges of being involved in a complex multi-national EU-funded project (filmed in January 2018 in Leeds: GB).

Link: A rare opportunity for early career research

 

CEN workshop, Brussels, 26–28 September 2017


We explain how LifeLongJoints is contributing to the enhancement of standards with the preparation of two CEN Workshop Agreements, voluntary standards applicable internationally. Professor Joanne Tipper and postdoctoral research fellow Dr Saurabh Lal from the University of Leeds talk about the two agreements, on novel methodology for wear particle isolation and on the biological impact of those particles in vitro. The video also explains how Workshop Agreements enable research outputs to reach industry and includes contributions from industry representatives (filmed at CEN/CENELAC Management Centre in Brussels in September 2017 and Leeds: GB in January 2018).

Link: CEN workshop, Brussels, 26–28 September 2017 extended

 

Evaluating the biological impact of wear particles


Professor Joanne Tipper and postdoctoral research fellow Dr Saurabh Lal from the University of Leeds talk about their research on isolating wear particles and evaluating their biological impact. They explain that their methodologies, which can be used for isolating very low volumes of wear debris from modern bearing materials and testing their biocompatibility using a range of assays, can also be used by other researchers on materials other than those studied in LifeLongJoints (filmed at CEN/CENELAC Management Centre in Brussels in September 2017 and Leeds: GB in January 2018).

Link: Evaluating the biological impact of wear particles

 

LifeLongJoints meets patients in Zurich

About 80 people packed into the auditorium at the Schulthess Klinik in Zurich, Switzerland, on 22 September 2016 to hear about the future of artificial joints. Among them were hip-replacement patients who had agreed to have their muscle strength measured before and after their operations. The muscle strength data feeds into LifeLongJoints computational models, complementing the motion capture data obtained from patients in Leeds (filmed at the Schulthess Klinik, Zurich: CH in September 2016).

Links:
LifeLongJoints meets patients in Zurich (English)
LifeLongJoints Treffen mit Patienten in Zurich (German)

 

Not your average joint

No two people are alike, or walk alike, so LLJ partner Leeds Teaching Hospitals National Health Service Trust (LTHT) has been putting patient volunteers through their paces to get realistic movement patterns for developing simulation and test systems. In September 2015, just under 100 hip replacement patients with friends and family gathered at Leeds University to hear how their contribution to the project has been used. Here, members of the LLJ team and testing volunteers talk about their involvement in developing better replacement joints (filmed in September 2015 in Leeds: GB).

Link: Not your average joint

 

Simulator tests replacement joints to the limit

LLJ SME partner Simulation Solutions has been able to capitalise on early results from LLJ for the development of a new mechanical wear simulator. This new generation of simulator means orthopaedic implants can be tested for the whole range of adverse wear on hip implants encountered by those choosing to live an active post-operation lifestyle. The technology has considerable commercial potential in western markets and in Asia, as described by CEO Nick Eldred in this video interview (filmed in Stockport: GB in May 2015).

Link: Simulator tests replacement joints to the limit