Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1987-09-21
1989-06-13
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604195, 604198, A61M 500
Patent
active
048388637
ABSTRACT:
A hypodermic syringe having a cylindrical outer body adapted to accept a smaller fluid storage vial within the inner walls thereof and having a removable cap on one end of said cylinder for providing access to insert and remove the vial with a spring loaded double headed needle assembly integrated into the other end thereof and held in place by a retainer until the storage has been punctured by one and of the needle, the vial filled and removed and the needle assembly retracted into the space vacated by the vial.
REFERENCES:
patent: 3306290 (1967-02-01), Weltman
patent: 4542749 (1985-09-01), Caselgrandi et al.
patent: 4767413 (1988-08-01), Haber et al.
Allard Edward F.
Longmire Daniel Q.
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