THERAPEUTIC INFUSION NEEDLE

Devices and methods useful for injecting therapeutics into the body of a patient are illustrated and described herein. In certain aspects, needle assemblies comprising a needle having a needle shaft with one or more side openings and a needle sheath slidably moveable along the needle shaft to select...

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Bibliographische Detailangaben
Hauptverfasser:	FISCHER, Frank, J, BENNETT, Jonathan, Lee, DEBRUYNE, Michael, P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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
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Beschreibung
Zusammenfassung:	Devices and methods useful for injecting therapeutics into the body of a patient are illustrated and described herein. In certain aspects, needle assemblies comprising a needle having a needle shaft with one or more side openings and a needle sheath slidably moveable along the needle shaft to selectively expose or cover all or a portion of the one or more side openings are provided. Such assemblies may include an interference fit between the needle sheath and the needle shaft and/or a seal positioned around the needle shaft proximal of the plurality of one or more side openings and configured to prevent fluid from leaking between the needle sheath and the needle shaft and beyond a proximal end of the needle sheath.