Percutaneous lung puncture trocar
The utility model discloses a percutaneous lung puncture trocar which comprises a trocar body, a tail column is arranged at the top of the trocar body, a circular protruding column is arranged at thebottom of the tail column, a needle tube is arranged at the bottom of the trocar body, the needle tub...
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| creator | FENG QIN CAO ZHENXUE PAN WEN WANG YUN |
| description | The utility model discloses a percutaneous lung puncture trocar which comprises a trocar body, a tail column is arranged at the top of the trocar body, a circular protruding column is arranged at thebottom of the tail column, a needle tube is arranged at the bottom of the trocar body, the needle tube penetrates through the circular protruding column and extends into the tail column, and an anti-backflow valve is arranged in the tail column. A first spring is arranged on the side, on the top of the anti-backflow valve, of the inner wall of the tail column, and a first wedge block is fixedly connected to the end, away from the inner wall of the tail column, of the first spring. The anti-backflow sleeve needle is scientific and reasonable in structure and safe and convenient to use, the anti-backflow valve, the first wedge block and the second wedge block are arranged, the tail portion of the sleeve needle is automatically sealed when a biopsy needle or a sleeve needle core is pulled out, zero air pressure is fo |
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A first spring is arranged on the side, on the top of the anti-backflow valve, of the inner wall of the tail column, and a first wedge block is fixedly connected to the end, away from the inner wall of the tail column, of the first spring. The anti-backflow sleeve needle is scientific and reasonable in structure and safe and convenient to use, the anti-backflow valve, the first wedge block and the second wedge block are arranged, the tail portion of the sleeve needle is automatically sealed when a biopsy needle or a sleeve needle core is pulled out, zero air pressure is fo</description><language>chi ; eng</language><subject>DIAGNOSIS ; HUMAN NECESSITIES ; HYGIENE ; IDENTIFICATION ; MEDICAL OR VETERINARY SCIENCE ; SURGERY</subject><creationdate>2021</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=20210126&DB=EPODOC&CC=CN&NR=212395013U$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210126&DB=EPODOC&CC=CN&NR=212395013U$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FENG QIN</creatorcontrib><creatorcontrib>CAO ZHENXUE</creatorcontrib><creatorcontrib>PAN WEN</creatorcontrib><creatorcontrib>WANG YUN</creatorcontrib><title>Percutaneous lung puncture trocar</title><description>The utility model discloses a percutaneous lung puncture trocar which comprises a trocar body, a tail column is arranged at the top of the trocar body, a circular protruding column is arranged at thebottom of the tail column, a needle tube is arranged at the bottom of the trocar body, the needle tube penetrates through the circular protruding column and extends into the tail column, and an anti-backflow valve is arranged in the tail column. A first spring is arranged on the side, on the top of the anti-backflow valve, of the inner wall of the tail column, and a first wedge block is fixedly connected to the end, away from the inner wall of the tail column, of the first spring. 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A first spring is arranged on the side, on the top of the anti-backflow valve, of the inner wall of the tail column, and a first wedge block is fixedly connected to the end, away from the inner wall of the tail column, of the first spring. The anti-backflow sleeve needle is scientific and reasonable in structure and safe and convenient to use, the anti-backflow valve, the first wedge block and the second wedge block are arranged, the tail portion of the sleeve needle is automatically sealed when a biopsy needle or a sleeve needle core is pulled out, zero air pressure is fo</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
| title | Percutaneous lung puncture trocar |
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