Injection device

Details Injection device Injection device

1987-07-31

1989-11-28

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604187, 604232, 222386, A61M 524

Patent

active

048834726

ABSTRACT:
An exchangeable prefilled syringe (4) is arranged in the front part (2) of the device. In the rear part (1), a gear mechanism (3) is arranged, the drive member of which is a driving sleeve (10) provided with a manipulating head (11), and the driven member of which is a threaded rod (12) mounted non-rotationally but longitudinally displaceably in the driving sleeve. The threaded rod (12) is seated in the female thread (22) of a gear element (20) which can be advanced, by exerting pressure on the manipulating head (11) in the axial longitudinal direction from a rest position into an end position against the force of a spring (26).

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