Solid preparation administering instrument

Details Solid preparation administering instrument Solid preparation administering instrument

1987-07-30

1990-02-13

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604242, A61M 500

Patent

active

049003046

ABSTRACT:
A device for administering solid or semisolid preparations under the skin, which comprises a solid needle member with an acute tip end, and a cylindrical member slidably mounted on the needle member. The solid needle member having a recess at its front part to form a preparation chamber between the needle member and cylindrical member, and the chamber being opened or closed by moving the cylindrical member in the direction parallel to the axis of the needle member. The device may comprises a cylindrical member with a capsule chamber, a hollow needle member removable mounted on the front end of the cylindrical member, and a plunger slidably arranged in the capsule chamber of the cylindrical member, all of which have a common axis so that the plunger enters into the hollow needle member through the capsule chamber.

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patent: 4402308 (1983-09-01), Scott
patent: 4451253 (1984-05-01), Harman
patent: 4774091 (1988-09-01), Yamahira et al.

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