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13:00-14:30 Session 2A: Workshop 1: CAOS Robotics Focus Group

Chairs: K. Deep and M. de la Fuente


Robotics and AI are becoming increasingly important in our lives. Some aspects are already being taken over without us noticing. Use of robotics and AI in medicine and surgery will be the future. In this workshop at CAOS 2023 we will discuss the clinical results, implementation and implications of available robotic options and technological developments in the field. Along with talks, an expert faculty panel discussion with active audience participation will be the highlight of the workshop. Compare your own robotic results, research and discuss your experience.

"Recent and future technical developments in orthopaedic robotics": Matias de la Fuente, Aachen Germany

"Introducing Robotic Technology in your department: logistics, problems and solutions": Charoenwat Uthaicharatratsame, Rajathanee Hospital, Thailand

"Present use of robotics in orthopaedics and clinical results": Frederic Picard, Glasgow UK

"Future clinical requirements from robotics in orthopaedics": K Deep, Glasgow UK

"Faculty Panel Discussion"



Matias de la Fuente, Germany

Frederic Picard, UK

Keerati Chareoncholvanich, Thailand

Asim Khan, UK

Charoenwat Uthaicharatratsame, Thailand

Kamal Deep, UK

13:00-14:30 Session 2B: Workshop 2: CAOS Ultrasound and AI Focus Group

Chairs: A. Hodgson and I. Hacihaliloglu

Ultrasound is emerging as a more prominent modality in orthopaedic surgery for both diagnostic and interventional applications.  Given the relatively low signal-to-noise ratio in ultrasound images, there are significant challenges in automatically processing the images to make use of the information, especially in near-realtime applications such as intraoperative guidance.  In this workshop, we will discuss the following topics:

1. Update on Bone in Ultrasound (BonUS): A Systematic Evaluation of Bone Segmentation Methods on a Multi-Institution Dataset - Prash Pandey, UBC

2. Impact of Variations in Manual Bone Segmentations on Bone Surface Identification - Ilker Hacihaliloglu, UBC

3. Contributions of Various Error Sources in US-based Bone Reconstruction: Identification of Relevant Research Areas - Benjamin Hohlmann, Aachen University

4. Free discussion

14:30-15:00Coffee Break
15:00-16:30 Session 3A: Workshop 3: CAOS Oncology Focus Group Workshop

Chairs: KC Wong and P. Jutte

Computer-Assisted Tumor Surgery (CATS) has been used in orthopedic oncology for over 15 years. The digital workflow and assistive tools (computer navigation and later 3D printed guides) enable surgeons to replicate complex surgical planning in bone tumor resection and reconstruction for better oncological and functional results. In this oncology workshop at CAOS international congress 2023, expert faculty will share the practical aspects of CATS and how computer navigation can assist in oncology surgery. It will be followed by a demonstration of navigation-assisted tumor resection, highlighting tips and tricks. Interested cases will be discussed. 

15:00-15:15 “Basics in navigation-assisted tumor surgery.” 

15:15-15:30 “Interested cases” (Dr Piya Kiatisevi)

15:30-15:45 “Interested cases (Prof Paul Jutte)

15:45-16:15 Navigation-assisted tumor resection demonstration

16:15-16:30 Q&A


Dr Piya Kiatisevi, Thailand

Prof Paul Jutte, the Netherlands

15:00-16:30 Session 3B: Workshop 4: CAOS Applied Biomechanics Focus Group

Chairs: J. Giles and K. Radermacher

“Applied Biomechanics for CAOS – Potential of upcoming tools and need for new criteria ?”

Date: 7th June 2023 (Wednesday)

Time 15:00-16:30h: CAOS Applied Biomechanics Focus Group

Venue: CAOS 2023 Hilton Pattaya 333 101 Moo 9, Nong Prue, Banglamung, Pattaya, Chonburi, 20260, Thailand

Basic principles of biomechanics have been introduced to orthopaedic surgery by early pioneers since the early day of the 19th century. Although advances in computer technology offer new options to integrate biomechanics in the clinical workflow for planning of surgical therapy and rehabilitation, biomechanical modelling and simulation still is not broadly established in clinical routine. Whereas the relevance of morpho-functional biomechanics for the therapeutical outcome is widely accepted in general, the availability and application of efficient and validated tools and criteria for clinical routine CAOS is still limited. Against this background, the workshop addresses two main topics related to enhanced patient specific morpho-functional planning:

Round Table 1) (30 minutes): Upcoming technical tools

Joshua Twiggs (Sydney): Actual challenges and potentials of new tools in terms of patient specific biomechanical planning ? (Introductory Talk; 10 Min.) > Open Discussion (challenges and potential for concerted research actions)

Round Table 2) (30 minutes): Clinical evaluation

Sonja Grothues and Luisa Berger (Aachen): Are standard clinical scores and PROMs adequate in terms of their sensitivity to the therapeutic benefits of accepted biomechanical planning targets ? (Introductory Talk with focus on THA & TKA (10 Min.) > Open Discussion (challenges and potential for concerted actions)


Josh Giles, CD

Kamal Deep, UK

Joshua Twiggs, Australia

Sonja Grothues, Germany

Luisa Berger, Germany

Klaus Radermacher, Germany