Patent ID: 6565540
Filing Date: 2003-05-20
Classification: A61M

Abstract:
An injecting syringe of the type comprising a syringe body (12) bearing an injection needle (14), a reservoir (16) containing a liquid (42) to be injected, which reservoir (16) comprises a moving part (40) mounted so that it can slidably move with respect to the body (12) so as to cause the liquid to be injected to flow down the injection needle (14), and a moving needle protector (18) mounted so that it can be moved, with respect to the injection needle (14), under the control of a spring (20) from a retracted position set back from an injection end of the needle (14) to an active protective position in which a front end of the protector (18) is forward of the injection end of the needle (14), the syringe further comprising means (54, 62) for, during injection, retaining a first end (20a) of the spring (20) collaborating with the protector, and means carried by said moving part (40) for, at the end of injection, releasing said first end (20a) of the spring (20) to cause the protector (18) to move into its active protective position, characterized in that a second end (20b) of the spring (20) is pressed against said moving part of the reservoir (40) to gradually compress the spring (20) during injection.