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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Hauptverfasser: FISCHER, Frank, J, BENNETT, Jonathan, Lee, DEBRUYNE, Michael, P
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Sprache:eng ; fre ; ger
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creator FISCHER, Frank, J
BENNETT, Jonathan, Lee
DEBRUYNE, Michael, P
description 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.
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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 THERAPEUTIC INFUSION NEEDLE
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