Benedikt Thelen

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Phone
+41 58 666 4812
Address
Institute of Computational Science
Faculty of Informatics
Via Giuseppe Buffi 13
6900 Lugano
Switzerland
E-Mail
E-Mail Uni Bern
 

Benedikt Thelen

Research Assistant, Group Krause


Project PiAnO

Pre-operative 3D evaluation and operative simulation of pericoxal osteotomies (PAO)

During the last decades, virtual surgical planning has gained increasingly attention in scientific and medical research as well as in clinical practice. In fact, three dimensional imaging techniques in combination with numerical simulation and the huge computing power of modern computers nowadays allows for supporting surgeons in the pre-operative planning phase as well as in the choice of the surgical strategy.
It is the goal of the application oriented project PiAnO to provide an integrated tool for the pre-operative planning and evaluation of periacetabular osteotomy (PAO) and of intertrochanteric osteotomy (IO) or more generic proximal femoral ostetotomy (PFO). In order to ensure clinical usability, we aim at a reduced and minimal user interface in combination with very specific functionality. PiAnO is explicitely designed for the experienced surgeon as a “virtual” surgical instrument.

PiAnO Is developed by Benedikt Thelen at ICS in close collaboration with Prof. Dr. Kaj Klaue and Prof. Guoyan Zhen from the Institute for Surgical Technologies & Biomechanics of the University of Bern. The project is funded by the Sergio Mantegazza foundation.

Acetabular fragment to be moved during PAOAcetabular fragment to be moved during PAOAcetabular fragment placing after PAO (Plan)Acetabular fragment placing after PAO (Plan)

Status

In the application, currently under development, bone and cartilage surfaces are extracted using a semiautomatic workflow from image data. Diagnosis in form of coverage estimation is performed and allows to plan the surgical intervention. The application acts as a simulation bench where the surgeons can test different PAO scenarios and plan an optimal reconfiguration of the acetabular fragment.

Coverage of the cartilage surfaces (red acetabulum, green femur)Coverage of the cartilage surfaces (red acetabulum, green femur)Cartilage surfaces

 

 

Collaborations

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Collaboration with the IPMI Group from the Institute for Surgical Technology & Biomechanics (ISTB) of the university of Bern Switzerland.

Together we are trying to combine the experience from the image processing filed with the large scale numerical computing experience of the ICS. Several projects are expected to carry fruit from this interactive knowledge exchange, such as the combination of 2D-3D reconstruction techniques to provide a direct input for mechanical simulations. The collaboration was initiated in 2013 and launched at the beginning of 2014.


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