Surgery – Means for inserting fibrous or foraminous resident packing,... – With slidable ejector inside tubular inserting means
Utility Patent
1999-05-24
2001-01-02
Ruhl, Dennis (Department: 3761)
Surgery
Means for inserting fibrous or foraminous resident packing,...
With slidable ejector inside tubular inserting means
C604S018000, C604S060000, C604S218000, C604S288000, C604S311000, C401S170000, C401S176000, C401S192000, C433S090000
Utility Patent
active
06168576
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates in general to a medication applicator, and more particularly concerns apparatus for the personally adjustable, accurate and sanitary application of vaginal medication.
2. Description of the Prior Art
Known devices for the intravaginal application of medication typically consist of a hollow tubular applicator having an internal piston. The medication, generally of cream-like consistency, is disposed within the hollow applicator and is extruded therefrom by means of the internal piston in the manner of a large, crude hypodermic syringe.
Typical devices for the application of vaginal medication are disclosed for example in U.S. Pat. Nos. 4,496,341; 4,557,720; 5,330,427; 5,397,312; and 5,788,664. Such devices are generally lacking in the control and adjustability of the depth of insertion and amount of medication dispensed.
In order to assure sanitary use and low risk of reinfection, disposable devices have been available which are discarded following a single use. However, such disposable units are generally sold with the medication already contained therein, and are intended to dispense their entire content of medication as a single dose. Such devices are generally not adaptable to variation in the medication type or dosage to accommodate the specific needs of particular individuals.
It is accordingly an object of the present invention to provide a disposable dispenser for the controlled application of vaginal medications.
It is another object of this invention to provide a dispenser as in the foregoing object which facilitates visual and tactile monitoring of medication being dispensed.
It is a further object of the present invention to provide a dispenser of the aforesaid nature permitting comfortable and adjustable insertion.
It is yet another object of this invention to provide a dispenser of the aforesaid nature of simple construction amenable to low cost manufacture.
These objects and other objects and advantages of the invention will be apparent from the following description.
SUMMARY OF THE INVENTION
The above and other beneficial objects and advantages are accomplished in accordance with the present invention by a device for controllably dispensing substances having a paste-like or cream-like consistency comprising:
a) a transparent plastic container member having a cylindrical bore elongated upon a straight axis between open leading and trailing extremities and having demarcation means disposed at spaced intervals along said axis to denote successive regions within said bore of known volume, and
b) a plunger member elongated between forward and rearward extremities and removably associated with said container member by way of slidable engagement with said bore upon a common axis, said forward extremity having a transverse force-applying surface and surrounding outwardly protruding wiping lip, and said rearward extremity having abutment means interactive with the trailing extremity of said bore.
REFERENCES:
patent: 3667465 (1972-06-01), Voss
patent: 3941129 (1976-03-01), Pleznac
patent: 4432758 (1984-02-01), Finegold
patent: 4466426 (1984-08-01), Blackman
patent: 4658993 (1987-04-01), Vlasich
patent: 5122057 (1992-06-01), Discko, Jr.
patent: 5397312 (1995-03-01), Rademaker et al.
patent: 5554128 (1996-09-01), Hedges
Rainer Norman B.
Ruhl Dennis
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