Needle device and method of operation thereof

Details Needle device and method of operation thereof Needle device and method of operation thereof

A - Human Necessities

61

M

A61M 5/32 (2006.01) A61M 5/158 (2006.01) A61M 5/50 (2006.01) A61M 5/46 (2006.01)

Patent

CA 2412832

A needle device has a needle retraction mechanism that retracts the needle upon removing the device from the skin surface (either intentionally or unintentionally). Once the needle is retracted, the device is rendered inoperative. The needle can be further made inoperative by bending it when one attempts to reuse the device. In another embodiment, a needle opening formed in the base of the housing can be covered to render the needle inoperative when one attempts to reuse the device. In another embodiment, a needle device instead has a needle shield that automatically covers the needle after use.

L'invention porte sur un dispositif à aiguille possédant un mécanisme de rétractation qui rétracte l'aiguille lors du retrait du dispositif de la surface de la peau (intentionnellement ou non). Après rétractation de l'aiguille, le dispositif est rendu inopérant. L'aiguille peut être également rendue inopérante en la pliant lorsqu'on essaie de réutiliser le dispositif. Selon une autre réalisation, un orifice d'aiguille formé dans la base du corps peut être recouvert pour rendre l'aiguille inopérante lorsqu'on essaie de réutiliser le dispositif. Selon encore une autre réalisation, le dispositif à aiguille comporte un élément de protection qui recouvre automatiquement l'aiguille après utilisation.

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