Home 3D-Printed Anatomical Models – Revolutionizing Education and Surgical Planning

Executive Summary

In 2023, groundbreaking research revealed that surgeons using 3D-printed anatomical models saw a remarkable ~34% decrease in surgical complications compared to conventional methods. This underscores the transformative potential of these models in revolutionizing both medical education and surgical planning. Despite their proven clinical benefits, challenges in reimbursement persist due to the absence of standardized billing codes. However, collaborative initiatives within the healthcare sector are actively working to overcome these hurdles. As the field advances, 3D-printed anatomical models will continue to play an increasingly pivotal role in shaping the future of medical education and surgical practice.

 

Introduction

With approximately 300,000 adult cardiac surgeries performed annually in the United States, and an expected increase due to the rising prevalence of chronic diseases and an aging population, the demand for advanced surgical planning solutions in healthcare is urgent. The surge in demand for dynamic and interactive educational tools in medicine reflects the need for enhanced learning experiences and technological advancements. This growth highlights the increasing adoption of digital solutions in medical education, with 3D anatomical models becoming essential tools for healthcare professionals and students. The process of manufacturing 3D-printed anatomical models involves selecting anatomical areas of interest, creating 3D geometry, optimizing files for printing, and choosing suitable printers and materials. Various types of 3D printers, software, and materials are utilized, each with its unique advantages and drawbacks. See our analysis depiction below for a breakdown of the steps involved in manufacturing a 3D-printed anatomical model.

 

3D Anatomical Model Manufacturing Process
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Advancements in 3D Printing Technology and Materials for Anatomical Models

Stereolithography (SLA), selective laser sintering (SLS), and fused deposition modeling (FDM) are some of the most popularly used 3D printing techniques in the healthcare industry owing to their different properties and advantages.

SLA stands out as a top choice among various printing techniques, prized for its exceptional resolution, precision, and material versatility. It excels in crafting highly detailed anatomical models and medical device prototypes with precise tolerances and sleek surfaces.

Moreover, enhancements in material capabilities, spanning advanced polymers, metals, ceramics, and composites, promise novel opportunities for functional prototypes and end-use parts. Further, progress in multi-material and multi-color printing is paving the way for developing even more realistic and functional models, making the Material Jetting technique an increasingly attractive option in such scenarios.

Industry and academia are actively advancing printing techniques and materials to make them highly accessible and cost-effective, thereby promoting the adoption of 3D techniques for anatomical models and other applications. For instance, in 2021, a team of researchers from Austria built a 3D printer that could print anatomical models of the mechanical properties of various soft tissues.

Moreover, further analysis of 3D printing techniques, their benefits, and limitations in 3D anatomical modeling has been shown in the following tabular format.

Printing Techniques - Benefits and Limitations in 3D Anatomical Modelling
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3D Anatomy in Action: Exploring Applications of Anatomical Models

3D anatomical models are not confined to the realm of academia but extend their utility across various domains of healthcare, research, and clinical practice.

Applications of 3D Anatomical Model
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Research and Education:

 These include

  • Education and Surgical Training

Conventional teaching methods like textbooks, cadavers, and 2D images often struggle to convey the complexities of human anatomy. Enter 3D-printed models: medical students and professionals can now interact with accurate organ replicas, fostering intuitive understanding and enhancing surgical precision. This innovation reduces learning curves, improves proficiency, and slashes healthcare education expenses.

An example of 3D-printed anatomical models in education and surgical training is how the first-year Bachelor of Medicine and Bachelor of Surgery (MBChB) students at the University of Edinburgh utilized 3D-printed anatomical models to learn human anatomy effectively in their education and surgical training.

  • Patient Education and Communication

3D printed anatomical models offer a concrete depiction that patients can feel and inspect and thus they are an excellent way for patient education and communication. Medical practitioners can use these models to visually explain patients’ complex diagnoses and treatment approaches.

  • Enhanced Diagnostics:

3D-printed models serve not only as educational tools but also aid in diagnostics, offering comprehensive insights into patient anatomy. These models provide a physical representation enabling multi-perspective viewing, enhancing the interpretation of medical imaging data. Medical professionals leverage these models to design diagnostic interventions, detect irregularities, and assess pathology with greater precision.

 

Pre-surgical Planning:

3D-printed anatomical models can play a vital role in preoperative assessment and planning as the success of the surgical procedure is highly dependent on the careful preoperative anatomical assessment and appropriate surgical planning by the surgeons. This enables surgeons to determine customized surgical approaches, optimize implant placement, and anticipate possible challenges before initiating the treatment.

Moreover, owing to their several benefits, these models are being used for pre-surgical planning in areas such as cardiac surgery, orthopedic surgery, neurosurgery, and maxillofacial surgery, among others. Surgeons at the University Hospital Southampton are pioneering the use of 3D-printed liver models in treating hilar cholangiocarcinoma, a type of bile duct cancer. This approach exemplifies the practical application of anatomical models in surgical planning, showcasing their potential to revolutionize medical interventions.

Furthermore, with the technological advancements in 3D printing and imaging technologies, the scope of the 3D printed anatomical models in pre-surgical planning for different diseases will further increase, thereby leading to wider adoption of these models. The following exhibit shows success stories and key benefits of using 3D-printed anatomical models in pre-surgical planning.

Success Stories and Key Benefits of Using 3D Anatomical Models in Pre-surgical Planning
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Hospitals of the Future – Adoption and Point-of-care 3D Printing (PoC3DP)

The integration of Point-of-Care 3D Printing (PoC3DP) in hospitals has revolutionized efficiency by facilitating on-demand, on-site manufacturing of patient-specific anatomical models. This advancement not only reduces costs but also accelerates medical innovation and elevates patient care standards. Mayo Clinic and Walter Reed National Military Medical Center are prime examples, having successfully implemented on-site 3D printing capabilities to develop tailored medical solutions. These efforts have led to remarkable advancements in patient care, including complete facial reconstructions and improved outcomes in complex surgical procedures. Anatomical models find applications across various surgical specialties, from orthopedics to neurology. Materialise emerges as a key player, providing FDA-approved software for printing 3D anatomical models, further reinforcing the credibility and utility of these innovative solutions in healthcare.

The following Exhibit shows hospitals using 3D anatomical models in pre-surgical planning and the worldwide adoption of Materialise Mimis inPrint Software by hospitals.

 

Utilization and Adoption of 3D Anatomical Models for Surgical Planning
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Reimbursement Scenario

Standardized reimbursement guidelines for 3D anatomical models in pre-surgical planni...

Challenges and Constraints of 3D-printed Anatomical Models in Healthcare

Despite having significant benefits in healthcare, the adoption of 3D-printed anatomical models is slower than anticipated owing to challenges, such as excessive cost, regulatory standardization, and complex procedures. Overcoming these challenges requires concerted efforts in addressing cost barriers, providing comprehensive training programs, and establishing robust regulatory frameworks to ensure the widespread and effective integration of 3D-printed anatomical models in healthcare practices.

The exhibit shared below highlights significant challenges along with ongoing activities aimed at tackling them.

Challenges, Unmet Needs, & Solutions/Activities
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Market Competitiveness and Recent Developments

Numerous players in the 3D-printed anatomical model market are investing in innovative technologies and coming up with novel innovations that have the potential to transform the 3D printing landscape and anatomical model printing. For example, France-based startup, 3Deus Dynamics, participated in the development of a hybrid process for manufacturing anatomical models by integrating 3D printing and injection molding. Highlighted below are examples of active players categorized by their type in the following Exhibit.

Key Players in 3D Anatomical Model Market
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Moreover, entities within the market are actively pursuing various research and development initiatives to advance 3D anatomical model printing technology. These endeavors aim to establish these models as essential resources in surgical training and planning, thereby fostering greater awareness and adoption among health professionals. The following exhibit details a few recent initiatives and activities, and the key players involved.

 

Recent Developments – R&D, Investment, Collaboration and Approval
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Conclusion

3D-printed anatomical models are revolutionizing healthcare by enhancing surgical planning, education, and patient communication, ultimately improving precision, and understanding in medical practices. Key insights include:

  • Pre-surgical planning with 3D anatomical models can significantly reduce operative time and complexities, thereby lowering overall procedure costs.
  • Advances in printing materials and techniques, such as stereolithography, offer high resolution and accuracy, allowing for replication of real organ properties to meet diverse organizational needs.
  • Overcoming reimbursement challenges through collaboration and standardization of billing codes, along with demonstrating cost-effectiveness and clinical value, can drive broader adoption of this innovative technology.

The anticipated improvements in the cost and speed of 3D printers will enhance usability, potentially leading to widespread adoption of these models.

 

FutureBridge Foresight

The versatility and precision of 3D-printed anatomical models make them invaluable tools in medical education, surgical planning, and research. Additionally, the implementation and utilization of these models in healthcare requires a multidisciplinary approach, careful cost-benefit analysis, training and education for medical professionals, and clear regulatory and quality control measures.

Moreover, with the rising trend of highly precise and personalized treatment procedures and inclusion efforts for reimbursement, we foresee a transformative shift towards 3D-printed anatomical models for healthcare interventions, paving the way for a new era of innovation and excellence in medicine. This transformative trend marks the inception of a groundbreaking era in medical practice, with profound implications for healthcare delivery. We anticipate that the widespread adoption of 3D-printed anatomical models will redefine the landscape of medical innovation, ushering in an era characterized by unprecedented levels of precision and excellence in patient care.

 

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