Implant injection device

Details Implant injection device Implant injection device

1994-09-20

1996-09-24

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604110, 604263, A61M 3100

Patent

active

055586376

ABSTRACT:
An implant injection device for once-only use includes an elongated implant housing (10), a cannula (11) and a plunger (20) which is longitudinally movable in the implant housing. The surface (21) of the plunger and the inner wall (15) of the implant housing are equipped with interacting projections (22, 12) which permit the plunger to move inwards into the implant housing but which prevent the removal of the plunger from the implant housing.

REFERENCES:
patent: 2857912 (1958-10-01), Feinstone et al.
patent: 3780735 (1973-12-01), Crouter et al.
patent: 4601699 (1986-07-01), Crain
patent: 4826483 (1989-05-01), Molnar, IV
patent: 4941874 (1990-07-01), Sandow et al.
patent: 4950234 (1990-08-01), Fujioka et al.
patent: 4994028 (1991-02-01), Leonard et al.
patent: 5215536 (1993-06-01), Lampropoulos et al.
patent: 5370620 (1994-12-01), Shonfeld
patent: 5380295 (1995-01-01), Vacca
patent: 5423756 (1995-06-01), van der Merwe

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