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Embedded bleeding detector into a PMMA applicator for electron intraoperative radiotherapy

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Embedded bleeding detector into a PMMA applicator for electron intraoperative radiotherapy

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dc.contributor.author	García Gil, Rafael
dc.contributor.author	Casans Berga, Silvia
dc.contributor.author	Navarro Antón, A. Edith
dc.contributor.author	García-Sánchez, Antonio-José
dc.contributor.author	Rovira-Escutia, Juan J.
dc.contributor.author	García Costa, Daniel
dc.contributor.author	Sanchis Sánchez, Enrique
dc.contributor.author	Pérez Calatayud, Ignacio
dc.contributor.author	Pérez Calatayud, José
dc.contributor.author	Sanchis Peris, Enrique
dc.date.accessioned	2023-11-15T11:14:28Z
dc.date.available	2023-11-15T11:14:28Z
dc.date.issued	2022
dc.identifier.uri	https://hdl.handle.net/10550/91163
dc.description.abstract	Purpose: The aim of this work is to present a ready to industrialize low-cost and easy-to-install bleeding detector for use in intraoperative electron radiation therapy (IOERT). The detector works in stand-alone mode and is embedded into a translucent polymethylmethacrylate (PMMA) applicator avoiding any contact with the patient, which represent a novelty compared to previous designs. The use of this detector will prevent dose misadministration during irradiation in the event of accumulation of fluids in the applicator. Methods: The detector is based on capacitive sensor and wireless power-supply electronics. Both sensor and electronics have been embedded in the applicator, so that any contact with the patient would be avoided. Since access to the tumor can be done through different trajectories, the detector has been calibrated for different tilting angles. Results: The result of the calibration provides us with a fit curve that allows the interpolation of the results at any angle. Comparison of estimated fluid height vs real height gives an error of 1 mm for tilting angles less than 10º and 2 mm for tilting angles greater than 15º. This accuracy is better than the one required by clinic. Conclusions: The performance of the bleeding detector was evaluated in situ. No interference was observed between the detector and the beam. In addition, a user-friendly mobile application has been developed to help the surgical team making decisions before and during irradiation. The measurement provided by the mobile application was stable during the irradiation process.
dc.language.iso	eng
dc.relation.ispartof	Physica Medica, 2022, vol. 94, p. 35-42
dc.source	García Gil, Rafael, Casans Berga, Silvia Navarro Antón, A. Edith García-Sánchez, Antonio-José Rovira-Escutia, Juan J. García Costa, Daniel Sanchis Sánchez, Enrique Pérez Calatayud, Ignacio Pérez Calatayud, José Sanchis Peris, Enrique 2022 Embedded bleeding detector into a PMMA applicator for electron intraoperative radiotherapy. Physica Medica 94 35 42. https://doi.org/10.1016/j.ejmp.2021.12.018
dc.subject	electrònica
dc.subject	electrònica aparells i instruments
dc.subject	electrònica mèdica
dc.title	Embedded bleeding detector into a PMMA applicator for electron intraoperative radiotherapy
dc.type	journal article
dc.date.updated	2023-11-15T11:14:29Z
dc.identifier.doi	10.1016/j.ejmp.2021.12.018
dc.identifier.idgrec	149847
dc.rights.accessRights	open access