Page 22 - Spring 2025 Electron
P. 22

Industry News


                                                                                                                                                                                        3D-printed Medical Imaging Phantoms
                                                                                                                                                                                        replicate Human Anatomy

                                                                                                                                                                                        A joint research effort by Siemens and Stratasys
                                                                                                                                                                                        has demonstrated a highly accurate 3D-printed
                                                                                                                                                                                        medical imaging system that uses phantoms to
                                                                                                                                                                                        replicate human anatomy.
                                                                                                                                                                                        The system uses Stratasys’ RadioMatrix materials and
                                                                                                                                                                                        Digital Anatomy technology combined with Siemens
                                                                                                                                                                                        Healthineers’ advanced algorithms to significantly
                                                                                                                                                                                        improve the quality of complex anatomical medical
                                                                                                                                                                                        imaging phantoms, allowing surgeons, researchers
                                                                                                                                                                                        and educators to replace simplistic anatomical
                                                                                                                                                                                        phantom models for pre-surgery planning and
                                                                                                                                                                                        education.
          MEDICAL FOCUS                                                                                                                                                                 In particular these anatomically accurate, patient
                                                                                                                                                                                        specific 3D-printed phantoms are scalable and
                                                                                                                                                                                        efficient in developing new CT scan algorithms,
                                                                                                                                                                                        enabling hospitals and imaging centres to enhance
                                                                                                                                                                                        the calibration and performance of CT scanners.
                                                                                                                                                                                        Variances as low as single Hounsfield units were
                                                                                                                                                                                        reported between real and printed models in critical
                                                                                                                                                                                        areas such as veins and grey matter.
          Improving Congestive Heart Failure Detection          suffering from heart disease, focusing especially                                                                       Jesus Fernandez Leon, Head of Computed
                                                                on distinguishing between patients with congestive                                                                      Tomography Product and Clinical Marketing for
          Physicists at Tampere University have developed a
                                                                heart failure and those that were either healthy or                                                                     Siemens Healthineers, comments:
          method of detecting congestive heart failure with
                                                                suffered from atrial fibrillation. By using their new
          greater ease and precision.
                                                                method the team was able to detect congestive
                                                                heart failure with an accuracy of 90 per cent.

                                                                Current methods for detecting congestive heart
                                                                failure typically require costly and time-consuming
                                                                                                                                 Dr. Stefan Leonhardt, Director of Medical Devices for
                                                                imaging techniques such as echocardiography,
                                                                                                                                 3D Systems, states:
                                                                and where patients have a regular sinus rhythm
                                                                detection using just inter-beat intervals has often                “ The rapid adoption of the EXT 220 MED by
                                                                been almost impossible. By contrast, atrial fibrillation           leading healthcare institutions combined with
                                                                is comparatively simple to detect.                                 our expanding applications pipeline, underscores
                                                                                                                                   the transformative power of 3D-printing in clinical
                                                                With the new method consumer-grade heart rate
                                                                                                                                   settings. We are proud to collaborate with the
                                                                devices and smartwatches may be used rather than
                                                                                                                                   pioneering clinicians at University Hospital Basel
                                                                complex diagnostic procedures.
                                                                                                                                   and other leading hospitals worldwide to expand
                                                                Reference: West,P., ‘Smartwatches may soon detect Congestive       the applications that can be addressed with
                                                                Heart Failure’, Electronic Specifier, 7th. February
                                                                                                                                   additive manufacturing. Since its launch in August
                                                                                                                                   2023, our innovative solution has already been
                                                                                                                                   utilised in more than 80 successful cranial implant
                                                                World First 3D-printed Facial Implant
                                                                                                                                   surgeries at partner hospitals, demonstrating          “ The integration of 3D-printing solutions to create
                                                                The University Hospital Basel, in collaboration with               its swift integration and real-world effectiveness     patient-realistic CT phantoms, combined with
                                                                3D Systems, has announced the successful design                    in delivering personalised patient care. The           the Digital Anatomy technology from Stratasys,
          Congestive heart failure can be reliably detected     and manufacture of the world’s first Medical Device                successful use of the EXT 220 MED for maxillofacial
          by analysing the intervals between successive         Regulation (MDR) compliant 3D-printed PEEK facial                  implants showcases our commitment to ongoing           represents a significant innovation in the field
                                                                                                                                                                                          of computed tomography. This cooperation not
          heartbeats, known as inter-beats or RR intervals. The   implant.                                                         innovation that delivers personalised healthcare
          new method uses advanced time-series analysis                                                                            solutions for new applications.”                       only enhances our ability to assess and verify the
                                                                                                                                                                                          performance of modern CT systems , but also
          developed by the Quantum Control and Dynamics         The implant was used as part of successful surgery
                                                                conducted at the hospital on 18th. March.                        Market Research Future estimates that the 3D-printed     ensures that our algorithms can rely on a highly
          Research Group, which allows for the investigation                                                                                                                              realistic depiction of human anatomy. By working
          of dependencies between inter-beat intervals with     Production of the implant was achieved using                     maxillofacial implant market was worth around $2
          different time scales, along with other complex       VESTAKEEP i4 3DF PEEK by Evonik on 3D Systems’ EXT               billion in 2024 and is expected to double by 2034.       together, we are setting new standards in medical
                                                                                                                                                                                          imaging.”
          characteristics that are typical of various forms of   220 MED. The cleanroom-based architecture of the                Reference: Gittins, C., ‘3D Systems’ Solution supports 3D-printed
          heart disease.                                        3D-printer and simplified post-processing workflows              Facial Implant’, Electronic Specifier, 9th. April      Reference: Miles, S., ‘Stratasys and Siemens advance Medical
                                                                                                                                                                                        Imaging with 3D-printed Phantoms’, Electronic Specifier, 27th.
                                                                allowed for the efficient production of patient-specific
          The team analysed multiple international databases                                                                                                                            February
          containing long-term electrocardiographs              medical devices directly at the hospital.
          (ECGs) from healthy control subjects and patients



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