Drip syringe with blood counterflow stopper
The utility model relates to a drip syringe with a blood counterflow stopper, which comprises a needle tube, a flow stopping tube and a connecting tube, wherein, the flow stopping tube is a primary molded article made of soft plastic, one end of the flow stopping tube is closed into a pushing shifti...
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| creator | MINCANG XU YONGXING CHEN |
| description | The utility model relates to a drip syringe with a blood counterflow stopper, which comprises a needle tube, a flow stopping tube and a connecting tube, wherein, the flow stopping tube is a primary molded article made of soft plastic, one end of the flow stopping tube is closed into a pushing shifting shape with a vertical and inclined breach which is communicated with a tube hole, and the other end of the flow stopping tube is provided with a round flange; the flow stopping tube is embedded in a soft tube of the needle tube, and the flange is stopped at the annular rib point on the inner wall of the soft tube; the soft tube of the needle tube is tightly sheathed on a sleeve tube of the connecting tube in a rigid way; the end part of the sleeve tube of the connecting tube is butted with the flange face of the flow stopping tube. When an injection is carried out, medicine liquid is pushed into the needle tube through a crack hole, and when physic liquor pressure is smaller than blood stream pressure, the breach is automatically closed. The utility model effectively resolves the problems of physic liquor counterflow and blood counterflow. |
| format | Patent |
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When an injection is carried out, medicine liquid is pushed into the needle tube through a crack hole, and when physic liquor pressure is smaller than blood stream pressure, the breach is automatically closed. The utility model effectively resolves the problems of physic liquor counterflow and blood counterflow.</description><edition>6</edition><language>eng</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>1998</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=19980304&DB=EPODOC&CC=CN&NR=2275456Y$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980304&DB=EPODOC&CC=CN&NR=2275456Y$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MINCANG XU</creatorcontrib><creatorcontrib>YONGXING CHEN</creatorcontrib><title>Drip syringe with blood counterflow stopper</title><description>The utility model relates to a drip syringe with a blood counterflow stopper, which comprises a needle tube, a flow stopping tube and a connecting tube, wherein, the flow stopping tube is a primary molded article made of soft plastic, one end of the flow stopping tube is closed into a pushing shifting shape with a vertical and inclined breach which is communicated with a tube hole, and the other end of the flow stopping tube is provided with a round flange; the flow stopping tube is embedded in a soft tube of the needle tube, and the flange is stopped at the annular rib point on the inner wall of the soft tube; the soft tube of the needle tube is tightly sheathed on a sleeve tube of the connecting tube in a rigid way; the end part of the sleeve tube of the connecting tube is butted with the flange face of the flow stopping tube. When an injection is carried out, medicine liquid is pushed into the needle tube through a crack hole, and when physic liquor pressure is smaller than blood stream pressure, the breach is automatically closed. The utility model effectively resolves the problems of physic liquor counterflow and blood counterflow.</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>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB2KcosUCiuLMrMS09VKM8syVBIysnPT1FIzi_NK0ktSsvJL1coLskvKEgt4mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8c5-RkbmpiamZpGRxkQoAQBD3ynx</recordid><startdate>19980304</startdate><enddate>19980304</enddate><creator>MINCANG XU</creator><creator>YONGXING CHEN</creator><scope>EVB</scope></search><sort><creationdate>19980304</creationdate><title>Drip syringe with blood counterflow stopper</title><author>MINCANG XU ; YONGXING CHEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN2275456YY3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</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>MINCANG XU</creatorcontrib><creatorcontrib>YONGXING CHEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MINCANG XU</au><au>YONGXING CHEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Drip syringe with blood counterflow stopper</title><date>1998-03-04</date><risdate>1998</risdate><abstract>The utility model relates to a drip syringe with a blood counterflow stopper, which comprises a needle tube, a flow stopping tube and a connecting tube, wherein, the flow stopping tube is a primary molded article made of soft plastic, one end of the flow stopping tube is closed into a pushing shifting shape with a vertical and inclined breach which is communicated with a tube hole, and the other end of the flow stopping tube is provided with a round flange; the flow stopping tube is embedded in a soft tube of the needle tube, and the flange is stopped at the annular rib point on the inner wall of the soft tube; the soft tube of the needle tube is tightly sheathed on a sleeve tube of the connecting tube in a rigid way; the end part of the sleeve tube of the connecting tube is butted with the flange face of the flow stopping tube. When an injection is carried out, medicine liquid is pushed into the needle tube through a crack hole, and when physic liquor pressure is smaller than blood stream pressure, the breach is automatically closed. The utility model effectively resolves the problems of physic liquor counterflow and blood counterflow.</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 | Drip syringe with blood counterflow stopper |
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