Effect of impeller flow path on pump performance and impeller stability of the monopivot circulatory pump
The effect of a cutout on the pump pressure-flow characteristics and the impeller stability was quantified using computational fluid dynamics analysis in order to provide good hemocompatibility of the monopivot extracorporeal circulation pump. As a result, the following findings were clarified. The...
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| Veröffentlicht in: | 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2013-01, Vol.2013, p.2736-2739 |
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| container_title | 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) |
| container_volume | 2013 |
| creator | Nishida, Masahiro Nakayama, Kento Kosaka, Ryo Maruyama, Osamu Kawaguchi, Yasuo Kuwana, Katsuyuki Yamane, Takashi |
| description | The effect of a cutout on the pump pressure-flow characteristics and the impeller stability was quantified using computational fluid dynamics analysis in order to provide good hemocompatibility of the monopivot extracorporeal circulation pump. As a result, the following findings were clarified. The pump pressure is lower in the cutout model than in the no-cutout model. The impeller stability with respect to the buoyancy of the impeller is better in the cutout model than in the no-cutout model. The impeller stability with respect to the impeller tilt is better in the cutout model than in the no-cutout model. Therefore, the cutout model, in which the geometry corresponds to the commercialized pump, was likely to be better than the no-cutout model because the stability that has the possibility to decrease the gap instantaneously to increase hemolysis despite the impeller rotational speed slightly. |
| doi_str_mv | 10.1109/EMBC.2013.6610106 |
| format | Article |
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As a result, the following findings were clarified. The pump pressure is lower in the cutout model than in the no-cutout model. The impeller stability with respect to the buoyancy of the impeller is better in the cutout model than in the no-cutout model. The impeller stability with respect to the impeller tilt is better in the cutout model than in the no-cutout model. Therefore, the cutout model, in which the geometry corresponds to the commercialized pump, was likely to be better than the no-cutout model because the stability that has the possibility to decrease the gap instantaneously to increase hemolysis despite the impeller rotational speed slightly.</description><identifier>ISSN: 1094-687X</identifier><identifier>ISSN: 1557-170X</identifier><identifier>EISSN: 1558-4615</identifier><identifier>EISBN: 1457702169</identifier><identifier>EISBN: 9781457702167</identifier><identifier>DOI: 10.1109/EMBC.2013.6610106</identifier><identifier>PMID: 24110293</identifier><language>eng</language><publisher>United States: IEEE</publisher><subject>Blood Circulation - physiology ; Blood Pressure ; Computational fluid dynamics ; Computational modeling ; Force ; Geometry ; Heart-Assist Devices ; Hemorheology ; Impellers ; Prosthesis Design ; Pumps ; Stability analysis</subject><ispartof>2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2013-01, Vol.2013, p.2736-2739</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6610106$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2052,27902,54895</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6610106$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24110293$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nishida, Masahiro</creatorcontrib><creatorcontrib>Nakayama, Kento</creatorcontrib><creatorcontrib>Kosaka, Ryo</creatorcontrib><creatorcontrib>Maruyama, Osamu</creatorcontrib><creatorcontrib>Kawaguchi, Yasuo</creatorcontrib><creatorcontrib>Kuwana, Katsuyuki</creatorcontrib><creatorcontrib>Yamane, Takashi</creatorcontrib><title>Effect of impeller flow path on pump performance and impeller stability of the monopivot circulatory pump</title><title>2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)</title><addtitle>EMBC</addtitle><addtitle>Conf Proc IEEE Eng Med Biol Soc</addtitle><description>The effect of a cutout on the pump pressure-flow characteristics and the impeller stability was quantified using computational fluid dynamics analysis in order to provide good hemocompatibility of the monopivot extracorporeal circulation pump. As a result, the following findings were clarified. The pump pressure is lower in the cutout model than in the no-cutout model. The impeller stability with respect to the buoyancy of the impeller is better in the cutout model than in the no-cutout model. The impeller stability with respect to the impeller tilt is better in the cutout model than in the no-cutout model. Therefore, the cutout model, in which the geometry corresponds to the commercialized pump, was likely to be better than the no-cutout model because the stability that has the possibility to decrease the gap instantaneously to increase hemolysis despite the impeller rotational speed slightly.</description><subject>Blood Circulation - physiology</subject><subject>Blood Pressure</subject><subject>Computational fluid dynamics</subject><subject>Computational modeling</subject><subject>Force</subject><subject>Geometry</subject><subject>Heart-Assist Devices</subject><subject>Hemorheology</subject><subject>Impellers</subject><subject>Prosthesis Design</subject><subject>Pumps</subject><subject>Stability analysis</subject><issn>1094-687X</issn><issn>1557-170X</issn><issn>1558-4615</issn><isbn>1457702169</isbn><isbn>9781457702167</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><sourceid>EIF</sourceid><recordid>eNpFkNtKAzEQhqMoWmsfQATJC2zNYZNsLrXUA1S8UfCuJOmERnY3YTdV-vauturVDMzHx_8PQheUTCkl-nr-dDubMkL5VEpKKJEH6IyWQinCqNSHaESFqIpSUnE07ESXhazU2yma9P07IYQqKTnjJ-iUlYOPaT5CYe49uIyjx6FJUNfQYV_HT5xMXuPY4rRpEk7Q-dg1pnWATbv6R_tsbKhD3n4L8hpwE9uYwkfM2IXObWqTY7f9kZyjY2_qHib7OUavd_OX2UOxeL5_nN0sisClyoWSTtMhnYKKOQWyJFxY6XxpLQdnoNKECVcxQbQDoAZKT631TAsnDTErPkZXO2_a2AZWy9SFxnTb5W_nAbjcAQEA_s77j_Ivqr9nKA</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>Nishida, Masahiro</creator><creator>Nakayama, Kento</creator><creator>Kosaka, Ryo</creator><creator>Maruyama, Osamu</creator><creator>Kawaguchi, Yasuo</creator><creator>Kuwana, Katsuyuki</creator><creator>Yamane, Takashi</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope></search><sort><creationdate>20130101</creationdate><title>Effect of impeller flow path on pump performance and impeller stability of the monopivot circulatory pump</title><author>Nishida, Masahiro ; Nakayama, Kento ; Kosaka, Ryo ; Maruyama, Osamu ; Kawaguchi, Yasuo ; Kuwana, Katsuyuki ; Yamane, Takashi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i367t-76c911107e82c7e64035b6cf4bb3ecae89025c82509cee1ae4f1bbf295c6a0ad3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Blood Circulation - physiology</topic><topic>Blood Pressure</topic><topic>Computational fluid dynamics</topic><topic>Computational modeling</topic><topic>Force</topic><topic>Geometry</topic><topic>Heart-Assist Devices</topic><topic>Hemorheology</topic><topic>Impellers</topic><topic>Prosthesis Design</topic><topic>Pumps</topic><topic>Stability analysis</topic><toplevel>online_resources</toplevel><creatorcontrib>Nishida, Masahiro</creatorcontrib><creatorcontrib>Nakayama, Kento</creatorcontrib><creatorcontrib>Kosaka, Ryo</creatorcontrib><creatorcontrib>Maruyama, Osamu</creatorcontrib><creatorcontrib>Kawaguchi, Yasuo</creatorcontrib><creatorcontrib>Kuwana, Katsuyuki</creatorcontrib><creatorcontrib>Yamane, Takashi</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><jtitle>2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Nishida, Masahiro</au><au>Nakayama, Kento</au><au>Kosaka, Ryo</au><au>Maruyama, Osamu</au><au>Kawaguchi, Yasuo</au><au>Kuwana, Katsuyuki</au><au>Yamane, Takashi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of impeller flow path on pump performance and impeller stability of the monopivot circulatory pump</atitle><jtitle>2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)</jtitle><stitle>EMBC</stitle><addtitle>Conf Proc IEEE Eng Med Biol Soc</addtitle><date>2013-01-01</date><risdate>2013</risdate><volume>2013</volume><spage>2736</spage><epage>2739</epage><pages>2736-2739</pages><issn>1094-687X</issn><issn>1557-170X</issn><eissn>1558-4615</eissn><eisbn>1457702169</eisbn><eisbn>9781457702167</eisbn><abstract>The effect of a cutout on the pump pressure-flow characteristics and the impeller stability was quantified using computational fluid dynamics analysis in order to provide good hemocompatibility of the monopivot extracorporeal circulation pump. As a result, the following findings were clarified. The pump pressure is lower in the cutout model than in the no-cutout model. The impeller stability with respect to the buoyancy of the impeller is better in the cutout model than in the no-cutout model. The impeller stability with respect to the impeller tilt is better in the cutout model than in the no-cutout model. Therefore, the cutout model, in which the geometry corresponds to the commercialized pump, was likely to be better than the no-cutout model because the stability that has the possibility to decrease the gap instantaneously to increase hemolysis despite the impeller rotational speed slightly.</abstract><cop>United States</cop><pub>IEEE</pub><pmid>24110293</pmid><doi>10.1109/EMBC.2013.6610106</doi><tpages>4</tpages></addata></record> |
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| ispartof | 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2013-01, Vol.2013, p.2736-2739 |
| issn | 1094-687X 1557-170X 1558-4615 |
| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Blood Circulation - physiology Blood Pressure Computational fluid dynamics Computational modeling Force Geometry Heart-Assist Devices Hemorheology Impellers Prosthesis Design Pumps Stability analysis |
| title | Effect of impeller flow path on pump performance and impeller stability of the monopivot circulatory pump |
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