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Publication numberUS612295 A
Publication typeGrant
Publication dateOct 11, 1898
Filing dateDec 27, 1897
Publication numberUS 612295 A, US 612295A, US-A-612295, US612295 A, US612295A
InventorsMarvin E. Woodling
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US 612295 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

JNO. 6|2,.295. Patented 0st. Il, |898.


l N H A L E R (Application med Da. 27, 1897.)

(No Model.)

THE Nonms Perma' co., 4pm-uma.. WASHINGTON. ny c.




SPECIFICATION forming part of Letters Patent No. 612,295, dated October 11, 1898. Application filed December 27, 1897. Serial No. 663,788. (No model.)

T0 all whom it may concern:

Be it known that l, MARVIN E. WooDLING, a citizen of the United States, residing at Minneapolis, in the county of Hennepin and State of Minnesota, have invented a new and useful Ether-Inhaler, of' which the followingis a specication.

My invention relates to improvements in inhalers used in the production of anesthesia. Vhile it may be used in the administration of chloroform and other anesthetics, it

is especially designed for the administration of ether.

My objects are, first, cleanliness-a clean cone (or inhaler) for each patient; second, convenience-always ready, light, and occupying small space in the pocket or case; third, cheapness-so cheap that it will be thrown away after having been used once, thus guarding against filth and disease-germs, any permanent inhaler being costly and difficult orimpossible to clean. These and other objects in view, all tending toward improving and simplifying devices or instruments of this character, Which Will become apparent in the course of the following description, are obtained as follows: It consists of an outer shell or cone proper constructed of paper or other cheap material, which may be made impervious to ether, or preferably in`this case with a layer of tissue-paper impervious to ether (as Wax or parchment-paper) inside and alining, into Which the anesthetic is poured and vaporized, constructed of gauze, lint, lintine, toweling, or other suitable material, gauze being preferred in this instance.

shell very satisfactorily Without the protective.

Figure l represents the complete cone. Fig.

Good, strong paper, as manila, 'may be used for the paper cone; e, impervious paper lining; f, gauze lining or absorbent.

The apex of truncated cone is sealed at at a. The sides are sealed together at b. This gives a hollow truncated cone closed except at the base or mouth and so shaped as to hold the lining when it is pressedinto the apex, which may be still farther rolled down at the option of the surgeon and grasp the lining still rmer. The mouth of the cone is folded in at c, forming a t1'ough,Which holds lining Which rests in it more securely and also catches any surplus ether, which is reabsorbed into the lining instead of running out and over the face of the patient, and also affords a smooth surface iu contact With theface.

The gauze lining f is cut rectangular the length equal to the circumference of mouth of cone and the width equal to depth of cone that it may give more bulk and surface, being corrugated as it nears the apex.

These cones may be of any desired size and changes in proportions and in details of construction and shape be resorted to without sacrificing any of the advantages or departing from the spirit of the invention-as, for instance, the Wax paper may be rectangular or disk-shaped. Again, the apex of the cone may vary in shape and size relative to its mouth.

Whatl claim, and desire to secure by Letters Patent, is-

A device or instrument of the character set forth (an ether cone or inhaler) comprising an outer shell, made of paper'so formed and constructed as to form a hollow truncated.

cone, completely closed except at the base or mouth Which is folded in, a llayer of impervious paper, insideof the shell, a4 lining of gauze insideV of both, the Whole forming an ether-inhaler for the purposes and substantially as described.




Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4628927 *Mar 7, 1986Dec 16, 1986Ward Russell GReversible face mask with replaceable air filter insert
US4941467 *Mar 16, 1989Jul 17, 1990Danzaburo TakataHumidification face mask
WO1992016250A1 *Mar 25, 1991Oct 1, 1992Thomas V ChoateRespiratory filter apparatus and method
Cooperative ClassificationA61M16/06