Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1995-10-19
1997-08-19
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604136, 604208, A61M 500
Patent
active
056582595
ABSTRACT:
An injection device includes a generally tubular outer body and a medicament cartridge assembly carried within the outer body. The cartridge assembly includes a glass container, a charge of medicament disposed within the glass container, iii) a plunger member rearwardly confining the medicament, and iv) a seal for sealing the forward portion of the glass container. A needle has a rearward end disposed proximate the seal, with the seal and needle being movable with respect to one another. A rigid needle cover member is normally maintained in an inoperative position and is movable relative to said body to a protective position wherein the needle cover member extends forwardly to cover the forward end of the needle. A releasable spring is releasable in response to a predetermined actuating procedure to drive a collet member forwardly within the outer body and thereby enable i) the cartridge assembly to move relative to the needle so that the rearward end of the needle pierces the seal to establish communication with the medicament, ii) the needle to move with respect to the body so that the needle projects outwardly from the forward end of the body, and iii) the needle cover to move relative to the body from the inoperative position to the protective position so that the needle cover member extends beyond the forward end of the needle.
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Dalling N. Lawrence
Lee Hyung J.
Lopez Claudio
Pearson William R.
Spady David Edward
Meridian Medical Technologies Inc.
Yasko John D.
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