Fuse assembly for single use medical device

Details Fuse assembly for single use medical device Fuse assembly for single use medical device

A - Human Necessities

61

F

A61F 9/00 (2006.01) A61M 5/20 (2006.01) A61M 5/44 (2006.01) A61M 5/50 (2006.01)

Patent

CA 2665163

A disposable injection device (205) includes a dispensing chamber (405), a plunger (415), a fuse (375) in series with a' light (275), and a housing (215). The dispensing chamber has an inner surface and an outer surface. The inner surface defines a cavity for receiving a quantity of a substance. The plunger is engaged with the inner surface of the dispensing chamber, is capable of sliding in the cavity of the dispensing chamber, and is fluidly sealed to the inner surface of the dispensing chamber. The housing at least partially encloses the dispensing chamber and the plunger. After the substance has been delivered from the dispensing chamber, the fuse is blown causing the light to go out and disabling the device.

La présente invention concerne un dispositif d'injection jetable qui comprend une chambre de distribution, un piston, un fusible monté en série avec une lumière et un corps. La chambre de distribution comporte une surface interne et une surface externe. La surface interne définit une cavité servant à recevoir une quantité d'une substance. Le piston est en contact avec la surface interne de la chambre de distribution, peut coulisser dans la cavité de la chambre de distribution et se trouve soudé de manière étanche à la surface interne de la chambre de distribution. Le corps entoure au moins partiellement la chambre de distribution et le piston. Dès que la substance a été distribuée et qu'elle est sortie de la chambre de distribution, le fusible grille, ce qui éteint la lumière et désactive le dispositif.

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