{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T07:31:28Z","timestamp":1753860688287,"version":"3.41.2"},"reference-count":13,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2024,9,12]],"date-time":"2024-09-12T00:00:00Z","timestamp":1726099200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["aapm.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Applied Clin Med Phys"],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Total body irradiation before bone marrow transplantation for hematological malignancies using Radixact, a high\u2010precision radiotherapy machine, can potentially reduce side effects and the risk of secondary malignancies. However, stable control of couch speed is critical, and direct assessment methods outlined in quality assurance guidelines are lacking. This study aims to develop a real\u2010time couch speed verification system for the Radixact.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The developed system used a linear encoder to measure couch speed directly. Accuracy was verified via a linear stage, comparing measurements with a laser distance sensor. After placing a phantom simulating the human body on the Radixact couch, the couch speed was verified using predefined speed plans.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Operating the linear stage at 0.1, 0.5, and 1.0\u00a0mm\/s revealed that the maximum position error of the developed verification system compared to the laser distance sensor was nearly equivalent to the distance resolution of the system (0.05\u00a0mm\/pulse), with negligible average speed error. When the Radixact couch operated at 0.1, 0.5, and 1.0\u00a0mm\/s, the values obtained by the verification system agreed with the theoretical values within the sampling period (0.01\u00a0s) and distance resolution (0.05\u00a0mm).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The verification system developed provides real\u2010time monitoring of the speed of the Radixact table, ensuring treatment effectiveness and patient safety. It would guarantee the couch speed's soundness and contribute to the \u201cvisualization\u201d of safety.<\/jats:p><\/jats:sec>","DOI":"10.1002\/acm2.14497","type":"journal-article","created":{"date-parts":[[2024,9,12]],"date-time":"2024-09-12T15:01:51Z","timestamp":1726153311000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Development of an external system for monitoring the couch speed in radiotherapy using continuous bed movement"],"prefix":"10.1002","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6633-0964","authenticated-orcid":false,"given":"Hidetoshi","family":"Shimizu","sequence":"first","affiliation":[{"name":"Department of Radiation Oncology Aichi Cancer Center Hospital  Nagoya Aichi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Osamu","family":"Nakamura","sequence":"additional","affiliation":[{"name":"QUALITA Co., Ltd.  Matsumoto Nagano Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koji","family":"Sasaki","sequence":"additional","affiliation":[{"name":"Graduate School of Radiological Technology Gunma Prefectural College of Health Sciences  Maebashi Gunma Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8423-6509","authenticated-orcid":false,"given":"Takahiro","family":"Aoyama","sequence":"additional","affiliation":[{"name":"Department of Radiation Oncology Aichi Cancer Center Hospital  Nagoya Aichi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomoki","family":"Kitagawa","sequence":"additional","affiliation":[{"name":"Department of Radiation Oncology Aichi Cancer Center Hospital  Nagoya Aichi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takeshi","family":"Kodaira","sequence":"additional","affiliation":[{"name":"Department of Radiation Oncology Aichi Cancer Center Hospital  Nagoya Aichi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,9,12]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1182\/blood\u20102014\u201002\u2010514778"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/0360\u20103016(91)90171\u2010y"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.radonc.2022.05.027"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejca.2018.12.021"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.canrad.2017.06.014"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.3389\/fonc.2021.785916"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1118\/1.3462971"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/mp.16150"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1186\/1748\u2010717X\u20108\u201092"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejmp.2018.08.003"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1120\/jacmp.v13i1.3585"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1118\/1.598978"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00259\u2010015\u20103226\u2010z"}],"container-title":["Journal of Applied Clinical Medical Physics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/aapm.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/acm2.14497","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,11,6]],"date-time":"2024-11-06T18:06:49Z","timestamp":1730916409000},"score":1,"resource":{"primary":{"URL":"https:\/\/aapm.onlinelibrary.wiley.com\/doi\/10.1002\/acm2.14497"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,9,12]]},"references-count":13,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2024,11]]}},"alternative-id":["10.1002\/acm2.14497"],"URL":"https:\/\/doi.org\/10.1002\/acm2.14497","archive":["Portico"],"relation":{},"ISSN":["1526-9914","1526-9914"],"issn-type":[{"type":"print","value":"1526-9914"},{"type":"electronic","value":"1526-9914"}],"subject":[],"published":{"date-parts":[[2024,9,12]]},"assertion":[{"value":"2024-04-23","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-07-18","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-09-12","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e14497"}}