Flexible sealing member for injection device

Details Flexible sealing member for injection device Flexible sealing member for injection device

1991-06-10

1992-12-15

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604202, 215358, 215355, A61M 524

Patent

active

051713047

ABSTRACT:
The invention relates to a flexible sealing member for an injection device, comprising a neck which encloses a channel which is open at one end and is closed at the other end by a diaphragm and has an annular flange at its closed end for a clamping connection of the sealing member in the injection device. The diaphragm is at least substantially in the shape of a spherical cap, its convex outer surface being remote from the open end of the channel in the neck. The invention further relates to an injection device comprising this sealing member.

REFERENCES:
patent: 2848130 (1958-08-01), Jesnig
patent: 3450135 (1969-06-01), Sarnoff
patent: 3540444 (1970-11-01), Moreland
patent: 3695478 (1972-10-01), Sie et al.
patent: 3916894 (1975-11-01), Cloyd
patent: 4072149 (1978-02-01), Tischlinger
patent: 4291695 (1981-09-01), Bekkoring et al.
patent: 4568336 (1986-02-01), Cooper
patent: 4713061 (1987-12-01), Tarello et al.
patent: 4976925 (1990-12-01), Porcher et al.

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