BACKGROUND: Trans-oesophageal echocardiography (TOE) has been widely utilized for cardiac disease diagnosis and interventional procedure guidance. However, the TOE operator is required to manually manipulate the probe, often for long periods of time and sometimes in an X-ray environment where there is exposure to ionizing radiation. METHODS: A novel robotic manipulation system for remote control of commercial TOE probes has been developed and tested. The system has four degrees of freedom (DOFs) and is characterized by a kinematic model. The accuracy of the model and the error propagation were analysed. RESULTS: The prototype system was shown to exhibit the required function in terms of the mechanical reliability and range of motion. The forward kinematic model can accurately predict the trajectory of the probe tip movement. The average point-to-point errors were 2.60 mm and 3.55°. CONCLUSIONS: Robotic assistance provided by the proposed system may improve the TOE operating environment. The proposed forward kinematic model can be further employed for automatic control.
Design, testing and modelling of a novel robotic system for trans-oesophageal ultrasound
2016-09-01
Wang , S , Housden , J , Singh , D , Althoefer , K & Rhode , K 2016 , ' Design, testing and modelling of a novel robotic system for trans-oesophageal ultrasound ' , INTERNATIONAL JOURNAL OF MEDICAL ROBOTICS AND COMPUTER ASSISTED SURGERY , vol. 12 , no. 3 , pp. 342-354 . https://doi.org/10.1002/rcs.1691
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC: | 629 |
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