Matters of Activity. Image Space Material
In: Regenerative Medicine |Digital Surgery written by: Prof. Dr. Igor M. Sauer
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Prof. I.M. Sauer and Prof. J. Pratschke became principal investigators in the new Cluster of Exzellence Matters of Activity. Image Space Material. This Cluster will explore materials’ own inner activity, which can be discovered as a new source of innovative strategies and mechanisms for rethinking the relationship between the analog and the digital and for designing more sustainable and energy-efficient technologies.
The project’s central vision is to develop images, spaces, and materials as active structures of a new physical and symbolic reality, in which nature and culture intertwine in a novel way. In this context, interdisciplinary research and development of sustainable processes and structures is a key priority in all areas of visual-material character, such as wearables, materials technology, medical technology, logistics, architecture, and robotics. More than 40 disciplines are systematically investigating design strategies for materials and structures that adapt to specific requirements and the environment. The cluster relies on a new role for design within the context of growing diversity and the continuous improvement of materials and forms of visualization in all disciplines.
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Tags: Grant

Charité Digital Clinician Scientist Pilot Program (D-CSP)
In: Digital Surgery |Regenerative Medicine |Oncology |Transplantation
The Deutsche Forschungsgemeinschaft (DFG) will fund the Charité Digital Clinician Scientist Pilot Program (D-CSP). The ideas is to improve and safeguard the current BIH Charité Clinician Scientist Program by building an additional structure for a novel “digital science” driven career track to prepare academic clinicians for the challenges of the emerging technological transformation of medicine.
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Designated Spokesperson is Prof. Dr. Duska Dragun. Co-applicants are the NeuroCure Cluster of Excellence, Department of Experimental Neurology, Department of Pediatric Oncology and Hematology, Department of Radiology and Pediatric Radiology, Department of Surgery, Berlin Institute for Medical Systems Biology (BIMSB), Institute of Medical Biometrics and Clinical Epidemiology, Department of Neurology and Experimental Neurology, and the Department of Anesthesiology and Intensive Care Medicine.

With the changing dynamics in biomedical research having fully entered into the digital era, it is becoming increasingly clear after seven years of experience that we need more dedicated efforts to create opportunities by establishing stronger interfaces with physics, mathematics, systems biology, and computational sciences for future generations of Clinician Scientists. The newly proposed research and educational structure for integrating these new areas of expertise into the established CSP should act as a “central processing unit” to facilitate biomedical knowledge derived from a variety of clinical disciplines supported by leading technology experts to address the specific challenges of data-driven medicine in the future.

  • Precision medicine in cancer and beyond,
  • Systems biology,
  • Big data science and decision support systems,
  • Quantitative imaging,
  • Computational neuroscience and brain simulation, and
  • Augmented, mixed and virtual reality in surgery
are exemplary research topics highlight how applicants will interact with Digital Clinician Scientists to develop their skills in giving prognoses, optimizing delivery of care, and personalizing patient management and therapeutic choices.
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Tags: Grant

Comparison of AR HMDs in Visceral Surgery
In: Digital Surgery
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"Real World Usability Analysis of two Augmented Reality Headsets in Visceral Surgery" was accepted for publication in Artificial Organs. Authors are S. Moosburner, C. Remde, P. Tang, M. Queisner, N. Haep, J. Pratschke, and I.M. Sauer.

Recent developments in the field of augmented reality (AR) have enabled new use cases in surgery. Initial set-up of an appropriate infrastructure for maintaining an AR surgical workflow requires investment in appropriate hardware. We compared the usability of the Microsoft HoloLens and Meta 2 head mounted displays (HMDs). Fifteen medicine students tested each device and were questioned with a variant of the System Usability Scale (SUS). Two surgeons independently tested the devices in an intraoperative setting.
In our adapted SUS, ergonomics, ease of use and visual clarity of the display did not differ significantly between HMD groups. The field of view (FOV) was smaller in the Microsoft HoloLens than the Meta 2 and significantly more study subjects (80% vs. 13.3%; p < 0.001) felt limited through the FOV. Intraoperatively, decreased mobility due to the necessity of an AC adapter and additional computing device for the Meta 2 proved to be limiting. Object stability was rated superior in the Microsoft HoloLens than the Meta 2 by our surgeons and lead to increased use.
We examined the Meta 2 and the Microsoft HoloLens and found key advantages in the Microsoft HoloLens which provided palpable benefits in a surgical setting.
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Tags: Publication

Future Medicine 2017
In: Digital Surgery written by: Prof. Dr. Igor M. Sauer
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What’s trending? What’s new in health science? To find out, please save the date for the second Future Medicine in Berlin on November 7, 2017. Tagesspiegel and Berlin Institute of Health, together with Charité - Universitätsmedizin Berlin and Max Delbrück Center for Molecular Medicine, will feature outstanding international scientists, great visions of the future of medicine, and an exceptional concentration of knowledge. The four sessions of Future Medicine 2017 will be: 

Digital Health and Big Data
Precision Medicine and Predictive Models
Cell and Gene Therapies
Stem Cells and Human Disease Modeling  

Simon Moosburner, a student of medicine interested in regenerative medicine and future technologies, will talk about “Virtual & Mixed Reality: The Next Milestone in Surgery?” at Future Medicine 2017.
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Tags: Meeting,Lecture

Mixed Reality in Visceral Surgery
In: Digital Surgery written by: Prof. Dr. Igor M. Sauer
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Annals of Surgery accepted our manuscript "Mixed Reality in visceral surgery - Development of a suitable workflow and evaluation of intraoperative use-cases" for publication. The paper evaluates the application of a mixed reality (MR) head-mounted display (HMD) for the visualization of anatomical structures in complex visceral-surgical interventions. A workflow was developed and technical feasibility was evaluated. 
Medical images are still not seamlessly integrated into surgical interventions and thus, remain separated from the surgical procedure. Surgeons need to cognitively relate two-dimensional sectional images to the three-dimensional (3D) during the actual intervention. MR applications simulate 3D images and reduce the offset between working space and visualization allowing for improved spatial-visual approximation of patient and image. The surgeon’s field of vision was superimposed with a 3D-model of the patient’s relevant liver structures displayed on a MR-HMD. This set-up was evaluated during open hepatic surgery. A suitable workflow for segmenting image masks and texture mapping of tumors, hepatic artery, portal vein and the hepatic veins was developed. The 3D model was positioned above the surgical site. Anatomical reassurance was possible simply by looking up. Positioning in the room was stable without drift and minimal jittering. Users reported satisfactory comfort wearing the device without significant impairment of movement. MR technology has high potential to improve the surgeon’s action and perception in open visceral surgery by displaying 3D anatomical models close to the surgical site. Superimposing anatomical structures directly onto the organs within the surgical site remains challenging since the abdominal organs undergo major deformations due to manipulation, respiratory motion and the interaction with the surgical instruments during the intervention. A further application scenario would be intraoperative ultrasound examination displaying the image directly next to the transducer. Displays and sensor-technologies as well as biomechanical modeling and object-recognition algorithms will facilitate the application of MR-HMD in surgery in the near future. Authors are I.M. Sauer, M. Queisner, P. Tang, S. Moosburner, O. Hoepfner, R. Horner, R. Lohmann and J. Pratschke.
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Tags: Publication

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