Cannula for medical syringes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 12, 2002
Grant Date -
Jan 24, 2002
app pub date -
Jun 18, 1999
filing date -
Dec 23, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cannula is retractably mounted with a needle holder (9) in a housing (5). A switching device (7, 8) allows the hollow needle (10) to be retracted after use into the housing (5). The needle holder (9) secures against rotation the hollow needle (10) in the housing (5) in a predetermined orientation. The housing (5) is preferably provided on its outer side with markings (13) which indicate the orientation of the hollow needle (10). The hollow needle (9) cannot twist when it is retracted. Another advantage is that the orientation of the needle point need not be determined before making an injection.
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Cited Art Landscape
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