SAFETY MEDICAL SYRINGE WITH RETRACTABLE NEEDLE
A syringe (20) for giving medical injections which has an internal mechanism for releasing, and retracting a needle (60) into the syringe after the injection has been given and retaining the needle, and a hollow plunger (30) inside the barrel of the syringe to reduce the risk of accidental needle st...
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| creator | LEE, MORRIS M JANEK, GREGORY A GILLESPIE, ELGENE R |
| description | A syringe (20) for giving medical injections which has an internal mechanism for releasing, and retracting a needle (60) into the syringe after the injection has been given and retaining the needle, and a hollow plunger (30) inside the barrel of the syringe to reduce the risk of accidental needle sticks. The interior of the hollow plunger is initially hydraulically sealed off by a plunger front end wall (44) from the fluid chamber of the syringe t o prevent fluid from entering the interior of the hollow plunger. After the plunger has been depressed to expel fluid from the barrel, further depressio n of the plunger causes cutting punch type members to sever a disc shaped flan ge portion of a stem type needle retaining member and the plunger front end wal l thereby permitting the spring to propel the needle, and needle retaining member into the hollow plunger thereby retracting the needle and retaining member inside the barrel. |
| format | Patent |
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The interior of the hollow plunger is initially hydraulically sealed off by a plunger front end wall (44) from the fluid chamber of the syringe t o prevent fluid from entering the interior of the hollow plunger. After the plunger has been depressed to expel fluid from the barrel, further depressio n of the plunger causes cutting punch type members to sever a disc shaped flan ge portion of a stem type needle retaining member and the plunger front end wal l thereby permitting the spring to propel the needle, and needle retaining member into the hollow plunger thereby retracting the needle and retaining member inside the barrel.</description><edition>6</edition><language>eng ; fre</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>2000</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=20000316&DB=EPODOC&CC=CA&NR=2338830A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000316&DB=EPODOC&CC=CA&NR=2338830A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEE, MORRIS M</creatorcontrib><creatorcontrib>JANEK, GREGORY A</creatorcontrib><creatorcontrib>GILLESPIE, ELGENE R</creatorcontrib><title>SAFETY MEDICAL SYRINGE WITH RETRACTABLE NEEDLE</title><description>A syringe (20) for giving medical injections which has an internal mechanism for releasing, and retracting a needle (60) into the syringe after the injection has been given and retaining the needle, and a hollow plunger (30) inside the barrel of the syringe to reduce the risk of accidental needle sticks. The interior of the hollow plunger is initially hydraulically sealed off by a plunger front end wall (44) from the fluid chamber of the syringe t o prevent fluid from entering the interior of the hollow plunger. After the plunger has been depressed to expel fluid from the barrel, further depressio n of the plunger causes cutting punch type members to sever a disc shaped flan ge portion of a stem type needle retaining member and the plunger front end wal l thereby permitting the spring to propel the needle, and needle retaining member into the hollow plunger thereby retracting the needle and retaining member inside the barrel.</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>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNALdnRzDYlU8HV18XR29FEIjgzy9HN3VQj3DPFQCHINCXJ0DnF08nFV8HN1dfFx5WFgTUvMKU7lhdLcDApA7c4euqkF-fGpxQWJyal5qSXxzo5GxsYWFsYGjobGRCgBAI-yJR8</recordid><startdate>20000316</startdate><enddate>20000316</enddate><creator>LEE, MORRIS M</creator><creator>JANEK, GREGORY A</creator><creator>GILLESPIE, ELGENE R</creator><scope>EVB</scope></search><sort><creationdate>20000316</creationdate><title>SAFETY MEDICAL SYRINGE WITH RETRACTABLE NEEDLE</title><author>LEE, MORRIS M ; JANEK, GREGORY A ; GILLESPIE, ELGENE R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2338830A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2000</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>LEE, MORRIS M</creatorcontrib><creatorcontrib>JANEK, GREGORY A</creatorcontrib><creatorcontrib>GILLESPIE, ELGENE R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LEE, MORRIS M</au><au>JANEK, GREGORY A</au><au>GILLESPIE, ELGENE R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SAFETY MEDICAL SYRINGE WITH RETRACTABLE NEEDLE</title><date>2000-03-16</date><risdate>2000</risdate><abstract>A syringe (20) for giving medical injections which has an internal mechanism for releasing, and retracting a needle (60) into the syringe after the injection has been given and retaining the needle, and a hollow plunger (30) inside the barrel of the syringe to reduce the risk of accidental needle sticks. The interior of the hollow plunger is initially hydraulically sealed off by a plunger front end wall (44) from the fluid chamber of the syringe t o prevent fluid from entering the interior of the hollow plunger. After the plunger has been depressed to expel fluid from the barrel, further depressio n of the plunger causes cutting punch type members to sever a disc shaped flan ge portion of a stem type needle retaining member and the plunger front end wal l thereby permitting the spring to propel the needle, and needle retaining member into the hollow plunger thereby retracting the needle and retaining member inside the barrel.</abstract><edition>6</edition><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 | SAFETY MEDICAL SYRINGE WITH RETRACTABLE NEEDLE |
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