{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T03:45:44Z","timestamp":1791776744110,"version":"4.3.4"},"reference-count":28,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:00:00Z","timestamp":1787011200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:00:00Z","timestamp":1787011200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["bjui-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJU International"],"published-print":{"date-parts":[[2026,11]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To evaluate the following characteristics of the holmium:yttrium\u2010aluminium\u2010garnet (Ho:YAG) laser with Magneto technology: pulse shape, shape and duration of the laser\u2010induced vapour bubble (VB), power loss over time, and the risk of fibre fracture (RFF).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      A 150\u2009W Ho:YAG generator was characterised\n                      <jats:italic>in vitro<\/jats:italic>\n                      with Magneto technology. The pulse shape was measured using an oscilloscope. The pulse duration was measured to calculate the peak power (PP) using both a 200\u2010 and 550\u2010\u03bcm laser fibre (LF). VB were evaluated with a 200\u2010\u03bcm fibre using a high\u2010speed camera (8000\u2009frames\/s). Power loss over time was obtained at the fibre tip before and after 30\u2009s, then 1\u2009min of continuous laser activation in saline solution and in contact with BegoStone\u00ae (BEGO GmbH &amp; Co., Bremen, Germany). Power loss was evaluated using LFs with core diameters of 200, 365, and 550\u2009\u03bcm. RFF was tested after 5\u2009min of continuous laser activation or until LF fracture with different laser settings and LF bending radii (0.45, 0.6, 0.9\u2009cm) using a 200\u2010\u03bcm LF.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The Ho:YAG laser with the Magneto technology possesses a quasi\u2010rectangular waveform with extended pulse durations ranging between 0.7 and 1.7\u2009ms and limited PPs between a mean (standard deviation) of 513.4\u2009(23.3) to 1149.7\u2009(6.9)\u2009W that increase proportionally with power. However, multiple spikes were observed within each pulse, precluding a perfectly linear plateau. Regarding VB, it was significantly wider with the 550\u2010\u03bcm LF compared to the 200\u2010\u03bcm LF. Conversely, the VB duration was significantly longer with the 200\u2010\u03bcm LF. A consistent initial power loss was observed in normal saline of 13\u201328.0% across all LF diameters, which progressed during continuous activation of up to 1\u2009min. This power degradation was more pronounced on synthetic BegoStone. No LF fractures were observed under the tested experimental conditions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The new Ho:YAG laser with Magneto technology appears to be a promising compromise between conventional Ho:YAG and thulium fibre laser, owing to its pulse profile with a limited PP.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/bju.70425","type":"journal-article","created":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T13:20:46Z","timestamp":1787059246000},"page":"877-885","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["<i>In vitro<\/i>\n                    evaluation of the new holmium:yttrium\u2010aluminium\u2010garnet laser with Magneto technology on behalf of the Progress and Collaboration in Endourology (\n                    <scp>PACE)<\/scp>\n                    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H\u00f4pital Tenon Sorbonne Universit\u00e9  Paris France"},{"name":"Department of Urology Limoges University Hospital  Limoges France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-5685-3875","authenticated-orcid":false,"given":"Marie\u2010Lou","family":"Letouche","sequence":"additional","affiliation":[{"name":"Endolase Lab, GRC 20 \u2013 Sorbonne Universit\u00e9 and PIMM \u2013 Arts et M\u00e9tiers ParisTech  Paris France"},{"name":"PIMM, UMR 8006 CNRS \u2013 Arts et M\u00e9tiers ParisTech  Paris France"},{"name":"Progress and Collaboration in Endourology (PACE) Group  Paris France"},{"name":"University Hospital of Tours  Tours France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3418-5202","authenticated-orcid":false,"given":"Stefano","family":"Moretto","sequence":"additional","affiliation":[{"name":"Endolase Lab, GRC 20 \u2013 Sorbonne Universit\u00e9 and PIMM \u2013 Arts et 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