Method of manufacturing injection needles

Details Method of manufacturing injection needles Method of manufacturing injection needles

1991-07-25

1993-05-04

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156294, 604263, 206365, A61M 532

Patent

active

052078531

ABSTRACT:
A method of manufacturing an injection needle having a hub and a cannula whose back end terminates within the hub. The method comprises the step of mounting the hub on a first subassembly jig, inserting the cannula into a center hole of the hub, applying an adhesive to a bonding area of the hub and cannula, curing the adhesive, dismounting the hub-cannula assembly from the first subassembly jig, applying silicone-containing-liquid to the back end, mounting the hub-cannula assembly on a second subassembly jig removing excess amount of silicone-containing-liquid within the cannula, covering the front end with a cap, housing the hub-cannula-cap assembly with a container, dismounting the hub-cannula-cap-container assembly from the second subassembly jig, and sealing an opening of the container. The apparatus used for carrying out the method is also disclosed.

REFERENCES:
patent: 4413992 (1983-11-01), Soika
patent: 4944397 (1990-07-01), Miller
patent: 4976701 (1990-12-01), Ejlersen et al.

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