Blood purification apparatus
A blood purification apparatus capable of performing pre-substitution and post-substitution simultaneously is provided. A patient's blood flows through an arterial blood circuit and reaches a dialyzer. The blood purified by the dialyzer flows through a venous blood circuit and returns into the...
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| creator | Furuhashi, Tomohiro Eda, Yuki Ohta, Masaaki Ono, Kazuhide |
| description | A blood purification apparatus capable of performing pre-substitution and post-substitution simultaneously is provided. A patient's blood flows through an arterial blood circuit and reaches a dialyzer. The blood purified by the dialyzer flows through a venous blood circuit and returns into the patient. A first substitution pump delivers substitution fluid through a substitution line to a branching point. A pre-substitution line connects the branching point and the arterial blood circuit to each other and is provided with a second substitution pump at a halfway position thereof. A post-substitution line connects the branching point and the venous blood circuit to each other and is provided with a check valve at a halfway position thereof. When the two pumps are activated simultaneously, the substitution fluid is supplied to the arterial blood circuit (pre-substitution). When only the first substitution pump is activated, the substitution fluid is supplied to the venous blood circuit (post-substitution). When the flow rate of the second substitution pump is set higher than the flow rate of the first substitution pump, pre-substitution and post-substitution are performed simultaneously. |
| format | Patent |
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A patient's blood flows through an arterial blood circuit and reaches a dialyzer. The blood purified by the dialyzer flows through a venous blood circuit and returns into the patient. A first substitution pump delivers substitution fluid through a substitution line to a branching point. A pre-substitution line connects the branching point and the arterial blood circuit to each other and is provided with a second substitution pump at a halfway position thereof. A post-substitution line connects the branching point and the venous blood circuit to each other and is provided with a check valve at a halfway position thereof. When the two pumps are activated simultaneously, the substitution fluid is supplied to the arterial blood circuit (pre-substitution). When only the first substitution pump is activated, the substitution fluid is supplied to the venous blood circuit (post-substitution). 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When the flow rate of the second substitution pump is set higher than the flow rate of the first substitution pump, pre-substitution and post-substitution are performed simultaneously.</description><subject>DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY</subject><subject>DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR</subject><subject>DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBxysnPT1EoKC3KTMtMTizJzM9TSCwoSCxKLCkt5mFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8aHBhkYGFsZGpuZORsbEqAEAw2gkPQ</recordid><startdate>20240910</startdate><enddate>20240910</enddate><creator>Furuhashi, Tomohiro</creator><creator>Eda, Yuki</creator><creator>Ohta, Masaaki</creator><creator>Ono, Kazuhide</creator><scope>EVB</scope></search><sort><creationdate>20240910</creationdate><title>Blood purification apparatus</title><author>Furuhashi, Tomohiro ; Eda, Yuki ; Ohta, Masaaki ; Ono, Kazuhide</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US12083257B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2024</creationdate><topic>DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY</topic><topic>DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR</topic><topic>DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><toplevel>online_resources</toplevel><creatorcontrib>Furuhashi, Tomohiro</creatorcontrib><creatorcontrib>Eda, Yuki</creatorcontrib><creatorcontrib>Ohta, Masaaki</creatorcontrib><creatorcontrib>Ono, Kazuhide</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Furuhashi, Tomohiro</au><au>Eda, Yuki</au><au>Ohta, Masaaki</au><au>Ono, Kazuhide</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Blood purification apparatus</title><date>2024-09-10</date><risdate>2024</risdate><abstract>A blood purification apparatus capable of performing pre-substitution and post-substitution simultaneously is provided. A patient's blood flows through an arterial blood circuit and reaches a dialyzer. The blood purified by the dialyzer flows through a venous blood circuit and returns into the patient. A first substitution pump delivers substitution fluid through a substitution line to a branching point. A pre-substitution line connects the branching point and the arterial blood circuit to each other and is provided with a second substitution pump at a halfway position thereof. A post-substitution line connects the branching point and the venous blood circuit to each other and is provided with a check valve at a halfway position thereof. When the two pumps are activated simultaneously, the substitution fluid is supplied to the arterial blood circuit (pre-substitution). When only the first substitution pump is activated, the substitution fluid is supplied to the venous blood circuit (post-substitution). When the flow rate of the second substitution pump is set higher than the flow rate of the first substitution pump, pre-substitution and post-substitution are performed simultaneously.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE |
| title | Blood purification apparatus |
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