Inadequate gas supply to patients with an adjustable pressure-limiting valve in the fully opened position
With spontaneous ventilation, sufficient exhaust resistance at the adjustable pressure-limiting (APL) valve when fully opened ensures that the reservoir bag fills and adequately supplies gas to patients. A lack of exhaust resistance with the APL valve fully open caused inadequate gas supply to patie...
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| Veröffentlicht in: | Journal of anesthesia 2010-08, Vol.24 (4), p.626-629 |
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| container_title | Journal of anesthesia |
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| creator | Hirabayashi, Go Uchino, Hiroyuki Ogihara, Yukihiko Omi, Akibumi Ohmura, Akito |
| description | With spontaneous ventilation, sufficient exhaust resistance at the adjustable pressure-limiting (APL) valve when fully opened ensures that the reservoir bag fills and adequately supplies gas to patients. A lack of exhaust resistance with the APL valve fully open caused inadequate gas supply to patients with four types of anesthesia machines: SA2 (Dräger), Excel-210 SE (GE), Fabius (Dräger), and Cato (Dräger). Mechanically, the SA2 and Excel-210 SE APL valve systems, which are of the spring-loaded disc type positioned horizontally, cannot maintain sufficient exhaust resistance with the APL valve fully open. As for the Fabius and Cato, an exhaust valve independent of the APL valve should maintain sufficient exhaust resistance continuously. However, accumulated viscous substances on the thin diaphragm of the exhaust valve contributed to hindrance of diaphragm closure. |
| doi_str_mv | 10.1007/s00540-010-0958-6 |
| format | Article |
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A lack of exhaust resistance with the APL valve fully open caused inadequate gas supply to patients with four types of anesthesia machines: SA2 (Dräger), Excel-210 SE (GE), Fabius (Dräger), and Cato (Dräger). Mechanically, the SA2 and Excel-210 SE APL valve systems, which are of the spring-loaded disc type positioned horizontally, cannot maintain sufficient exhaust resistance with the APL valve fully open. As for the Fabius and Cato, an exhaust valve independent of the APL valve should maintain sufficient exhaust resistance continuously. 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A lack of exhaust resistance with the APL valve fully open caused inadequate gas supply to patients with four types of anesthesia machines: SA2 (Dräger), Excel-210 SE (GE), Fabius (Dräger), and Cato (Dräger). Mechanically, the SA2 and Excel-210 SE APL valve systems, which are of the spring-loaded disc type positioned horizontally, cannot maintain sufficient exhaust resistance with the APL valve fully open. As for the Fabius and Cato, an exhaust valve independent of the APL valve should maintain sufficient exhaust resistance continuously. However, accumulated viscous substances on the thin diaphragm of the exhaust valve contributed to hindrance of diaphragm closure.</description><subject>Air Pressure</subject><subject>Anesthesiology</subject><subject>Anesthesiology - instrumentation</subject><subject>Clinical Report</subject><subject>Critical Care Medicine</subject><subject>Emergency Medicine</subject><subject>Gas industry</subject><subject>Humans</subject><subject>Intensive</subject><subject>Medication Errors</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Natural gas</subject><subject>Pain Medicine</subject><subject>Valves</subject><subject>Ventilators, Mechanical</subject><issn>0913-8668</issn><issn>1438-8359</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kVFr3SAYhmVsrGftfsBuhrCLXaXVaIxeltKthcJuumsxyZfUg9FUTUf_fT2kHQwOQ_QDfd5XP1-EvlByTglpLxIhDScVoWWqRlbiHdpRzmQlWaPeox1RlFVSCHmCPqW0J4QIStlHdFITLjiv1Q7ZW28GeFxNBjyZhNO6LO4Z54AXky34nPAfmx-w8dgM-zVl0znAS4SU1giVs7PN1k_4ybgnwNbj_AB4XF3xCAt4GPASUkGCP0MfRuMSfH6tp-j3j-v7q5vq7tfP26vLu6pvCM0Vk6TpDJEgVWsoGWjb92UdmBGCir5TlJYuhFTQiLEx41hzSpRq-cA46Qxjp-j75rvE8LhCynq2qQfnjIewJt1yqcpNShTy20ZOxoG2fgw5mv5A60vWCMpr2tJCVUeoqfQWjQseRlu2_-HPj_BlDDDb_qiAboI-hpQijHqJdjbxWVOiDznrLWddctaHnPXh6V9fm1y7GYa_irdgC1BvQCpHfoKo92GNvnz8f1xfAJPrsY8</recordid><startdate>20100801</startdate><enddate>20100801</enddate><creator>Hirabayashi, Go</creator><creator>Uchino, Hiroyuki</creator><creator>Ogihara, Yukihiko</creator><creator>Omi, Akibumi</creator><creator>Ohmura, Akito</creator><general>Springer Japan</general><general>Springer</general><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>20100801</creationdate><title>Inadequate gas supply to patients with an adjustable pressure-limiting valve in the fully opened position</title><author>Hirabayashi, Go ; Uchino, Hiroyuki ; Ogihara, Yukihiko ; Omi, Akibumi ; Ohmura, Akito</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c501t-3805ba08e897a10d17cc0d1d3a6616cb911061689e56f5aff24109974d340ba33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Air Pressure</topic><topic>Anesthesiology</topic><topic>Anesthesiology - instrumentation</topic><topic>Clinical Report</topic><topic>Critical Care Medicine</topic><topic>Emergency Medicine</topic><topic>Gas industry</topic><topic>Humans</topic><topic>Intensive</topic><topic>Medication Errors</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Natural gas</topic><topic>Pain Medicine</topic><topic>Valves</topic><topic>Ventilators, Mechanical</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hirabayashi, Go</creatorcontrib><creatorcontrib>Uchino, Hiroyuki</creatorcontrib><creatorcontrib>Ogihara, Yukihiko</creatorcontrib><creatorcontrib>Omi, Akibumi</creatorcontrib><creatorcontrib>Ohmura, Akito</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 anesthesia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hirabayashi, Go</au><au>Uchino, Hiroyuki</au><au>Ogihara, Yukihiko</au><au>Omi, Akibumi</au><au>Ohmura, Akito</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inadequate gas supply to patients with an adjustable pressure-limiting valve in the fully opened position</atitle><jtitle>Journal of anesthesia</jtitle><stitle>J Anesth</stitle><addtitle>J Anesth</addtitle><date>2010-08-01</date><risdate>2010</risdate><volume>24</volume><issue>4</issue><spage>626</spage><epage>629</epage><pages>626-629</pages><issn>0913-8668</issn><eissn>1438-8359</eissn><abstract>With spontaneous ventilation, sufficient exhaust resistance at the adjustable pressure-limiting (APL) valve when fully opened ensures that the reservoir bag fills and adequately supplies gas to patients. A lack of exhaust resistance with the APL valve fully open caused inadequate gas supply to patients with four types of anesthesia machines: SA2 (Dräger), Excel-210 SE (GE), Fabius (Dräger), and Cato (Dräger). Mechanically, the SA2 and Excel-210 SE APL valve systems, which are of the spring-loaded disc type positioned horizontally, cannot maintain sufficient exhaust resistance with the APL valve fully open. As for the Fabius and Cato, an exhaust valve independent of the APL valve should maintain sufficient exhaust resistance continuously. However, accumulated viscous substances on the thin diaphragm of the exhaust valve contributed to hindrance of diaphragm closure.</abstract><cop>Japan</cop><pub>Springer Japan</pub><pmid>20464429</pmid><doi>10.1007/s00540-010-0958-6</doi><tpages>4</tpages></addata></record> |
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| ispartof | Journal of anesthesia, 2010-08, Vol.24 (4), p.626-629 |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Air Pressure Anesthesiology Anesthesiology - instrumentation Clinical Report Critical Care Medicine Emergency Medicine Gas industry Humans Intensive Medication Errors Medicine Medicine & Public Health Natural gas Pain Medicine Valves Ventilators, Mechanical |
| title | Inadequate gas supply to patients with an adjustable pressure-limiting valve in the fully opened position |
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