Hand-held electronically controlled injection device for injecting liquid medications

• Main Authors: PRASSER, ROBERT, PONGPAIROCHANA, VINCENT, LAUCHARD, GERHARD, MACLEAN, TIMOTHY JOHN, KOGLER, GERHARD, WURMBAUER, WERNER
• Format: Patent
• Language: English
• Published: 28.05.2010
• 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

A hand-held, electronically controlled injection device for injecting preset doses of a liquid medication, is disclosed. The injection device comprises a housing for receiving a medication container containing the liquid medication, a contact surface for contacting a patient's skin, and a first actuator for moving the medication container within the housing to and from the contact surface. The contact surface of the housing comprises a through opening for receiving a needle assembly. The injection device also includes a releasable retaining means for locking the needle assembly in a predetermined position engaging the opening, during displacement of the medication container towards the contact surface, from a first operating position, withdrawn inside the housing, to a second operating position, connected to a needle of the needle assembly.