CANNULA FOR MEDICAL SYRINGES
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 predetermi...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 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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