INFUSION DEVICE HAVING PISTON OPERATED DRIVING MECHANISM AND POSITIVE PRESSURE RESERVOIR
A piston-type drive mechanism in combination with a positive pressure reservoir for delivery of infusion medium. A coil capable of being electrically activated to provide an electromagnetic field. The coil surrounds a piston channel extending in an axial direction. The piston channel provides a pass...
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| creator | GRAY, JOHN, F BOSLEY, ROBERT, W |
| description | A piston-type drive mechanism in combination with a positive pressure reservoir for delivery of infusion medium. A coil capable of being electrically activated to provide an electromagnetic field. The coil surrounds a piston channel extending in an axial direction. The piston channel provides a passage for communication of infusion medium from the positive pressure reservoir to an outlet chamber. A piston is located within the piston channel and is moveable axially within the channel to a forward position. The piston is moved toward a retracted position, when the coil is not energized. As the piston is moved to its forward position, pressure moves a valve member into an open position. When the valve member is in the open position, medium from the piston chamber is discharged into the outlet chamber. An outlet is provided in flow communication with the outlet chamber, for discharging infusion medium from the outlet chamber. |
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A coil capable of being electrically activated to provide an electromagnetic field. The coil surrounds a piston channel extending in an axial direction. The piston channel provides a passage for communication of infusion medium from the positive pressure reservoir to an outlet chamber. A piston is located within the piston channel and is moveable axially within the channel to a forward position. The piston is moved toward a retracted position, when the coil is not energized. As the piston is moved to its forward position, pressure moves a valve member into an open position. When the valve member is in the open position, medium from the piston chamber is discharged into the outlet chamber. An outlet is provided in flow communication with the outlet chamber, for discharging infusion medium from the outlet chamber.</description><language>eng ; fre ; ger</language><subject>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</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081203&DB=EPODOC&CC=EP&NR=1575640B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081203&DB=EPODOC&CC=EP&NR=1575640B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GRAY, JOHN, F</creatorcontrib><creatorcontrib>BOSLEY, ROBERT, W</creatorcontrib><title>INFUSION DEVICE HAVING PISTON OPERATED DRIVING MECHANISM AND POSITIVE PRESSURE RESERVOIR</title><description>A piston-type drive mechanism in combination with a positive pressure reservoir for delivery of infusion medium. A coil capable of being electrically activated to provide an electromagnetic field. The coil surrounds a piston channel extending in an axial direction. The piston channel provides a passage for communication of infusion medium from the positive pressure reservoir to an outlet chamber. A piston is located within the piston channel and is moveable axially within the channel to a forward position. The piston is moved toward a retracted position, when the coil is not energized. As the piston is moved to its forward position, pressure moves a valve member into an open position. When the valve member is in the open position, medium from the piston chamber is discharged into the outlet chamber. An outlet is provided in flow communication with the outlet chamber, for discharging infusion medium from the outlet chamber.</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>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNykEKwjAQQNFsXIh6h7mAYNHqOiZTM4smYSYN7kqRuBIt1PtjEQ_g6sPjL9WVfNMJBQ8WMxkEpzP5C0SSNGOIyDqhBcv09RaN056kBe0txCCUKCNERpGOEeYi50C8Vov78JjK5teVggaTcdsyvvoyjcOtPMu7x1jVp_p42J2r_R_LB8VSMVI</recordid><startdate>20081203</startdate><enddate>20081203</enddate><creator>GRAY, JOHN, F</creator><creator>BOSLEY, ROBERT, W</creator><scope>EVB</scope></search><sort><creationdate>20081203</creationdate><title>INFUSION DEVICE HAVING PISTON OPERATED DRIVING MECHANISM AND POSITIVE PRESSURE RESERVOIR</title><author>GRAY, JOHN, F ; BOSLEY, ROBERT, W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1575640B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2008</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>GRAY, JOHN, F</creatorcontrib><creatorcontrib>BOSLEY, ROBERT, W</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GRAY, JOHN, F</au><au>BOSLEY, ROBERT, W</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>INFUSION DEVICE HAVING PISTON OPERATED DRIVING MECHANISM AND POSITIVE PRESSURE RESERVOIR</title><date>2008-12-03</date><risdate>2008</risdate><abstract>A piston-type drive mechanism in combination with a positive pressure reservoir for delivery of infusion medium. A coil capable of being electrically activated to provide an electromagnetic field. The coil surrounds a piston channel extending in an axial direction. The piston channel provides a passage for communication of infusion medium from the positive pressure reservoir to an outlet chamber. A piston is located within the piston channel and is moveable axially within the channel to a forward position. The piston is moved toward a retracted position, when the coil is not energized. As the piston is moved to its forward position, pressure moves a valve member into an open position. When the valve member is in the open position, medium from the piston chamber is discharged into the outlet chamber. An outlet is provided in flow communication with the outlet chamber, for discharging infusion medium from the outlet chamber.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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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 | INFUSION DEVICE HAVING PISTON OPERATED DRIVING MECHANISM AND POSITIVE PRESSURE RESERVOIR |
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