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Additive Manufacturing - Cleaning: Guidance for Removing Residual Powders

GE ADDITIVE TECH CENTER | Wednesday, June 13 | 2:45 - 3:15 pm
Speaker: Mukesh Kumar, Ph.D., Global Technology Director, Surface Dynamics

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   Level/Participant 
    While all attendees will benefit from this session, the check marks indicate the skill level and roles that this session targets.
 
    Beginner  |   Intermediate  |   Advanced
 

  √ Manufacturing
√ Product Management
 √ Purchasing
 √ Quality Control
 √ Regulatory/Clinical Affairs
  Research/Development/Design
√ Supply Chain Management
 

 


Description


The popularity of additive manufacturing in the medical device manufacturing industry is growing thanks to the ability to print solid substrate and lattice structure for implant fixation in a single step. Printing a lattice structure is not only a matter of design but it also requires the ability to process the foam-like structure in a way that make it usable in the human body. Cleaning, in this specific case, removes loose particles and/or contaminants from such structures. To achieve this objective, Eurocoating developed a mechanical and dry step to remove the majority of the loose particles without adding any additional substance to the lattice structure. Following steps based on chemical etching of the titanium surface on a lattice structure can be used to remove the remaining particles and to modify the structures’ surfaces to enhance osteoconductivity. In cases where lubricants used in machining must be removed, we are seeing promising results in developing a proper cleaning step with specific detergents, which avoids any detectable residual in the foam but is capable of completely removing the contaminants.

Attendee Takeaways

  1. Cleaning of porous structure where loosely held particles are removed
  2. Recommendations on establishing and maintaining a residue removal process
 

 


Bio

Kumar2 200x200Mukesh Kumar, Ph.D., joined as Global Director of Technology at Surface Dynamics/Eurocoating in 2018, having served 17 years with Biomet and three with Zimmer Biomet. He has participated in bringing to market biomaterials such as OsseoTi 3D-printed implants, Regenerex porous constructs, Bonus DBM and porous Calcium Phosphate bone void fillers. Known for his results-oriented and innovative approach, Dr. Kumar has lead NPI and PME engineers to support various business units and R&D scientists to explore new technologies. He is known for making assessments on nascent technology to determine what is needed to from research, regulatory and processing aspects to achieve commercialization. He has authored book chapters on Additive Manufacturing and the path to commercialization in the orthopedic device arena. He is well published in peer reviewed journals, has multiple patents and is a reviewer of Phase I and Phase II proposals for funding by government agencies.

 



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