Needle or cannular insertion device with automatic retraction

Needle or cannular insertion device with automatic retraction

Disclosed is an inserter for a medical device for intermittent or continuous administration of a therapeutical substance such as insulin. The inserter comprises a needle hub comprising an insertion needle and two elastic elements assuring automatic insertion and automatic retraction of the insertion...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: NIELSEN, JENS EGEBJERG
Format: Patent
Sprache:eng
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
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:Disclosed is an inserter for a medical device for intermittent or continuous administration of a therapeutical substance such as insulin. The inserter comprises a needle hub comprising an insertion needle and two elastic elements assuring automatic insertion and automatic retraction of the insertion needle. Activation of the first elastic element (11) cause a penetrating member (6A) to be inserted sub-or transcutaneously into the skin of a patient, and the second elastic element (12) cause the penetrating member to be retracted from the skin of the patient. The first elastic element is in an unloaded state before activation and upon activation the first elastic element energizes the second elastic element.