Journal
JOURNAL OF INTELLIGENT & ROBOTIC SYSTEMS
Volume 77, Issue 2, Pages 327-339Publisher
SPRINGER
DOI: 10.1007/s10846-013-0012-7
Keywords
Image-guided surgery; Ultrasound imaging; Registration; Robotic surgery
Funding
- FCT under IDMEC-IST, Research Group: IDMEC/LAETA/CSI [PEst-OE/EME/LA-0022/2011]
- FCT [PTDC/EME-CRO/099333/2008]
- EU-FP7 project ECHORD [231143]
- Fundação para a Ciência e a Tecnologia [PTDC/EME-CRO/099333/2008] Funding Source: FCT
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Surgical navigation is a crucial concept in computer assisted surgery. The use of robots in the surgery room largely benefits from this concept's recent developments, namely with the use of non-invasive and radiation free imaging systems, like ultrasound (US). This paper presents the algorithms and software tools developed for US based orthopaedic surgery navigation. In the second part of the paper are presented the algorithms and software tools developed for controlling a robotic manipulator, that can be used both in simulation and in a real scenario. The paper also presents the developed simulation scenario, for a surgical procedure in Hip Resurfacing, e.g., the first drill of the femur head. For navigation, the system, during surgery, acquires a 3D US bone surface from a sequence of US images. This bone surface will then be registered to the pre-operative bone model, for a precise knowledge of the bone position and orientation. This registration is performed in two steps. The first, a global registration before the surgical procedure, to exactly register the bone. The second is to locally register the femur, which is faster and more suitable for tracking the bone movements. The measured bone movement is used by the robot manipulator to update its drilling position and orientation.
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