Throat spray counting mechanism

Details Throat spray counting mechanism Throat spray counting mechanism

1997-06-09

1999-02-16

Weiss, John G.

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820014, 12820523, A61M 1500

Patent

active

058710078

ABSTRACT:
An aerosol throat spray with a spray-counting mechanism including a lead screw driven in rotation by a rachet in which a follower on the lead screw moves from a starting location indicating the aerosol is "full" to an ending position indicating the aerosol is "empty", wherein the rachet is actuated by a pawl of springy construction material which, after each power stroke, returns to a ready position for the next power stroke in response to the spring urgency of its construction material.

REFERENCES:
patent: 5482030 (1996-01-01), Klein
patent: 5549101 (1996-08-01), Trofast et al.
patent: 5740792 (1998-04-01), Ashley et al.

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