Performance of Single-Use FlexorVue vs Reusable BoaVision Ureteroscope for Visualization of Calices and Stone Extraction in an Artificial Kidney Model
To evaluate and compare Flexor Vue™, a semidisposable endoscopic deflection system with disposable ureteral sheath and reusable visualization source, and a nondisposable fiber optic ureteroscope in a standard in vitro setting. FlexorVue and a reusable fiber optic flexible ureteroscope were each test...
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| Veröffentlicht in: | Journal of endourology 2017-11, Vol.31 (11), p.1139-1144 |
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| creator | Schlager, Daniel Hein, Simon Obaid, Moaaz Abdulghani Wilhelm, Konrad Miernik, Arkadiusz Schoenthaler, Martin |
| description | To evaluate and compare Flexor
Vue™, a semidisposable endoscopic deflection system with disposable ureteral sheath and reusable visualization source, and a nondisposable fiber optic ureteroscope in a standard in vitro setting.
FlexorVue and a reusable fiber optic flexible ureteroscope were each tested in an artificial kidney model. The experimental setup included the visualization of colored pearls and the extraction of calculi with two different extraction devices (NCircle
and NGage
). The procedures were performed by six experienced surgeons. Visualization time, access to calices, successful stone retraction, and time required were recorded. In addition, the surgeons' workload and subjective performance were determined according to the National Aeronautics and Space Administration-task load index (NASA-TLX). We referred to the Likert scale to assess maneuverability, handling, and image quality.
Nearly all calices (99%) were correctly identified using the reusable scope, indicating full kidney access, whereas 74% of the calices were visualized using FlexorVue, of which 81% were correctly identified. Access to the lower poles of the kidney model was significantly less likely with the disposable device, and time to completion was significantly longer (755 s vs 153 s, p |
| doi_str_mv | 10.1089/end.2017.0454 |
| format | Article |
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Vue™, a semidisposable endoscopic deflection system with disposable ureteral sheath and reusable visualization source, and a nondisposable fiber optic ureteroscope in a standard in vitro setting.
FlexorVue and a reusable fiber optic flexible ureteroscope were each tested in an artificial kidney model. The experimental setup included the visualization of colored pearls and the extraction of calculi with two different extraction devices (NCircle
and NGage
). The procedures were performed by six experienced surgeons. Visualization time, access to calices, successful stone retraction, and time required were recorded. In addition, the surgeons' workload and subjective performance were determined according to the National Aeronautics and Space Administration-task load index (NASA-TLX). We referred to the Likert scale to assess maneuverability, handling, and image quality.
Nearly all calices (99%) were correctly identified using the reusable scope, indicating full kidney access, whereas 74% of the calices were visualized using FlexorVue, of which 81% were correctly identified. Access to the lower poles of the kidney model was significantly less likely with the disposable device, and time to completion was significantly longer (755 s vs 153 s, p < 0.001). The stone clearance success rate with the disposable device was 23% using the NGage and 13% using the NCircle basket. Overall NASA-TLX scores were significantly higher using FlexorVue. The conventional reusable device also demonstrated superior maneuverability, handling, and image quality.
FlexorVue offers a semidisposable deflecting endoscopic system allowing basic ureteroscopic and cystoscopic procedures. For its use as an addition or replacement for current reusable scopes, it requires substantial technical improvements.</description><identifier>ISSN: 0892-7790</identifier><identifier>EISSN: 1557-900X</identifier><identifier>DOI: 10.1089/end.2017.0454</identifier><identifier>PMID: 28844156</identifier><language>eng</language><publisher>United States</publisher><subject>Disposable Equipment ; Equipment Design ; Fiber Optic Technology - instrumentation ; Humans ; Kidney Calculi - diagnostic imaging ; Kidney Calculi - surgery ; Models, Biological ; Reproducibility of Results ; Ureteroscopes ; Ureteroscopy - instrumentation</subject><ispartof>Journal of endourology, 2017-11, Vol.31 (11), p.1139-1144</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-52cb9a3621186dbd1114a90ccf7982cb6ec3d34f611c8493013605c6bc23d6413</citedby><cites>FETCH-LOGICAL-c359t-52cb9a3621186dbd1114a90ccf7982cb6ec3d34f611c8493013605c6bc23d6413</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28844156$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Schlager, Daniel</creatorcontrib><creatorcontrib>Hein, Simon</creatorcontrib><creatorcontrib>Obaid, Moaaz Abdulghani</creatorcontrib><creatorcontrib>Wilhelm, Konrad</creatorcontrib><creatorcontrib>Miernik, Arkadiusz</creatorcontrib><creatorcontrib>Schoenthaler, Martin</creatorcontrib><title>Performance of Single-Use FlexorVue vs Reusable BoaVision Ureteroscope for Visualization of Calices and Stone Extraction in an Artificial Kidney Model</title><title>Journal of endourology</title><addtitle>J Endourol</addtitle><description>To evaluate and compare Flexor
Vue™, a semidisposable endoscopic deflection system with disposable ureteral sheath and reusable visualization source, and a nondisposable fiber optic ureteroscope in a standard in vitro setting.
FlexorVue and a reusable fiber optic flexible ureteroscope were each tested in an artificial kidney model. The experimental setup included the visualization of colored pearls and the extraction of calculi with two different extraction devices (NCircle
and NGage
). The procedures were performed by six experienced surgeons. Visualization time, access to calices, successful stone retraction, and time required were recorded. In addition, the surgeons' workload and subjective performance were determined according to the National Aeronautics and Space Administration-task load index (NASA-TLX). We referred to the Likert scale to assess maneuverability, handling, and image quality.
Nearly all calices (99%) were correctly identified using the reusable scope, indicating full kidney access, whereas 74% of the calices were visualized using FlexorVue, of which 81% were correctly identified. Access to the lower poles of the kidney model was significantly less likely with the disposable device, and time to completion was significantly longer (755 s vs 153 s, p < 0.001). The stone clearance success rate with the disposable device was 23% using the NGage and 13% using the NCircle basket. Overall NASA-TLX scores were significantly higher using FlexorVue. The conventional reusable device also demonstrated superior maneuverability, handling, and image quality.
FlexorVue offers a semidisposable deflecting endoscopic system allowing basic ureteroscopic and cystoscopic procedures. For its use as an addition or replacement for current reusable scopes, it requires substantial technical improvements.</description><subject>Disposable Equipment</subject><subject>Equipment Design</subject><subject>Fiber Optic Technology - instrumentation</subject><subject>Humans</subject><subject>Kidney Calculi - diagnostic imaging</subject><subject>Kidney Calculi - surgery</subject><subject>Models, Biological</subject><subject>Reproducibility of Results</subject><subject>Ureteroscopes</subject><subject>Ureteroscopy - instrumentation</subject><issn>0892-7790</issn><issn>1557-900X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kU9P3DAQxa2qFWwpx14rH7lk8cSJEx_pCiiCClRYxC1y7EnlymsvdoKAD9LPW4c_PY1m3tOT5v0I-QpsCayVh-jNsmTQLFlVVx_IAuq6KSRjdx_JIutl0TSS7ZLPKf1hDLgAvkN2y7atKqjFgvy9wjiEuFFeIw0Dvbb-t8NinZCeOHwM8XZC-pDoL5yS6h3S70Hd2mSDp-uII8aQdNgizRk03yfl7LMaZzmHrfKmMVHlDb0eg0d6_DhGpV906_OdHsXRDlZb5ei5NR6f6M9g0H0hnwblEu6_zT2yPjm-Wf0oLi5Pz1ZHF4XmtRyLutS9VFyUAK0wvQGASkmm9dDINmsCNTe8GgSAbivJ5wJYrUWvS25EBXyPHLzmbmO4nzCN3cYmjc4pj2FKHUjOy1KKerYWr1adf04Rh24b7UbFpw5YN6PoMopuRtHNKLL_21v01G_Q_He_d8__AQxIhkY</recordid><startdate>201711</startdate><enddate>201711</enddate><creator>Schlager, Daniel</creator><creator>Hein, Simon</creator><creator>Obaid, Moaaz Abdulghani</creator><creator>Wilhelm, Konrad</creator><creator>Miernik, Arkadiusz</creator><creator>Schoenthaler, Martin</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201711</creationdate><title>Performance of Single-Use FlexorVue vs Reusable BoaVision Ureteroscope for Visualization of Calices and Stone Extraction in an Artificial Kidney Model</title><author>Schlager, Daniel ; Hein, Simon ; Obaid, Moaaz Abdulghani ; Wilhelm, Konrad ; Miernik, Arkadiusz ; Schoenthaler, Martin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-52cb9a3621186dbd1114a90ccf7982cb6ec3d34f611c8493013605c6bc23d6413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Disposable Equipment</topic><topic>Equipment Design</topic><topic>Fiber Optic Technology - instrumentation</topic><topic>Humans</topic><topic>Kidney Calculi - diagnostic imaging</topic><topic>Kidney Calculi - surgery</topic><topic>Models, Biological</topic><topic>Reproducibility of Results</topic><topic>Ureteroscopes</topic><topic>Ureteroscopy - instrumentation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Schlager, Daniel</creatorcontrib><creatorcontrib>Hein, Simon</creatorcontrib><creatorcontrib>Obaid, Moaaz Abdulghani</creatorcontrib><creatorcontrib>Wilhelm, Konrad</creatorcontrib><creatorcontrib>Miernik, Arkadiusz</creatorcontrib><creatorcontrib>Schoenthaler, Martin</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of endourology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schlager, Daniel</au><au>Hein, Simon</au><au>Obaid, Moaaz Abdulghani</au><au>Wilhelm, Konrad</au><au>Miernik, Arkadiusz</au><au>Schoenthaler, Martin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance of Single-Use FlexorVue vs Reusable BoaVision Ureteroscope for Visualization of Calices and Stone Extraction in an Artificial Kidney Model</atitle><jtitle>Journal of endourology</jtitle><addtitle>J Endourol</addtitle><date>2017-11</date><risdate>2017</risdate><volume>31</volume><issue>11</issue><spage>1139</spage><epage>1144</epage><pages>1139-1144</pages><issn>0892-7790</issn><eissn>1557-900X</eissn><abstract>To evaluate and compare Flexor
Vue™, a semidisposable endoscopic deflection system with disposable ureteral sheath and reusable visualization source, and a nondisposable fiber optic ureteroscope in a standard in vitro setting.
FlexorVue and a reusable fiber optic flexible ureteroscope were each tested in an artificial kidney model. The experimental setup included the visualization of colored pearls and the extraction of calculi with two different extraction devices (NCircle
and NGage
). The procedures were performed by six experienced surgeons. Visualization time, access to calices, successful stone retraction, and time required were recorded. In addition, the surgeons' workload and subjective performance were determined according to the National Aeronautics and Space Administration-task load index (NASA-TLX). We referred to the Likert scale to assess maneuverability, handling, and image quality.
Nearly all calices (99%) were correctly identified using the reusable scope, indicating full kidney access, whereas 74% of the calices were visualized using FlexorVue, of which 81% were correctly identified. Access to the lower poles of the kidney model was significantly less likely with the disposable device, and time to completion was significantly longer (755 s vs 153 s, p < 0.001). The stone clearance success rate with the disposable device was 23% using the NGage and 13% using the NCircle basket. Overall NASA-TLX scores were significantly higher using FlexorVue. The conventional reusable device also demonstrated superior maneuverability, handling, and image quality.
FlexorVue offers a semidisposable deflecting endoscopic system allowing basic ureteroscopic and cystoscopic procedures. For its use as an addition or replacement for current reusable scopes, it requires substantial technical improvements.</abstract><cop>United States</cop><pmid>28844156</pmid><doi>10.1089/end.2017.0454</doi><tpages>6</tpages></addata></record> |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Disposable Equipment Equipment Design Fiber Optic Technology - instrumentation Humans Kidney Calculi - diagnostic imaging Kidney Calculi - surgery Models, Biological Reproducibility of Results Ureteroscopes Ureteroscopy - instrumentation |
| title | Performance of Single-Use FlexorVue vs Reusable BoaVision Ureteroscope for Visualization of Calices and Stone Extraction in an Artificial Kidney Model |
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