Medical device with a lockable needle shield

Details Medical device with a lockable needle shield Medical device with a lockable needle shield

A - Human Necessities

61

M

A61M 5/32 (2006.01)

Patent

CA 2097686

A medical device includes a barrel with proximal and distal ends. A needle extends from the distal end of the barrel and terminates in a point. A shield is coaxially and rotationally mounted on the barrel. This shield is axially movable between a retracted position in which the needle point is exposed and an extended position in which the needle point is covered. The device includes locking elements associated with the barrel and the shield. These locking elements are responsive to a combined rotational and axially distal movement of the shield, when the shield is at an extended and unlocked position, for locking the shield on the barrel at the extended position. These locking elements prevent subsequent rotational and axial movement of the shield on the barrel.

Dispositif médical comprenant un corps avec extrémités proximale et distale. Une aiguille dépasse de l'extrémité distale du corps et se termine par une pointe. Un protecteur est monté de façon coaxiale et pivotante sur le corps. Il peut passer axialement d'une position rétractée, dans laquelle la pointe de l'aiguille est découverte, à une position allongée dans laquelle la pointe est recouverte. Le dispositif comprend des éléments de verrouillage associés au corps et au protecteur. Lorsque le protecteur est en position allongée déverrouillée, les éléments réagissent à un mouvement distal du protecteur, combinant déplacement axial et pivotant, afin de verrouiller ce dernier sur le corps en position allongée. Ils empêchent le protecteur de se déplacer ultérieurement sur le corps, de façon axiale et pivotante.

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