Enclosed needle device with duckbill release mechanism

Details Enclosed needle device with duckbill release mechanism Enclosed needle device with duckbill release mechanism

A - Human Necessities

61

M

A61M 25/06 (2006.01) A61M 5/32 (2006.01)

Patent

CA 2642294

An enclosed needle catheter insertion device (10) includes a catheter (12) and a needle insertion device (14) which are held together by cooperating arms (52, 53) with one or more detents (56) cooperating with a radially projecting surface (26) of the catheter hub (16). Insertion device (14) includes a guard housing (30) to enclose a needle (34) in a shielded position and a support housing (32) supporting the needle (34) for movement between a ready position, with the tip (36) of the needle (34) exposed, to the shielded position. Cooperating lock elements (47, 78) are provided for the housings (30, 32) which are positioned to define a lock actuation stage between the ready and shielded positions, whereat the needle is still within a passageway (54) defined by the cooperating arms (52, 53).

L'invention concerne un dispositif d'insertion (10) pour un cathéter à aiguille enfermée qui comprend un cathéter (12) et un dispositif d'insertion d'aiguille (14) qui sont maintenus ensemble par des bras coopérants (52, 53), avec un ou plusieurs goujons (56) coopérant avec une surface saillant radialement (26) sur le moyen du cathéter (16). Le dispositif d'insertion (14) comporte un logement de garde (30) pour renfermer une aiguille (34) en position gainée et un logement de support (32) supportant l'aiguille (34) pour permettre son mouvement entre une position prête, avec la pointe (36) de l'aiguille (34) exposée, et la position gainée. Des éléments de verrouillage coopérants (47, 78) sont disposés sur les logements (30, 32) pour définir un stade d'actionnement de verrouillage entre les positions prête et gainée, l'aiguille étant encore dans un passage (54) défini par les bras coopérants (52, 53).

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