USRE5491E - Improvement in inhalers - Google Patents

Description

I.` DONALDSON.

Inhalers.

Reissued July15, 1873.

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AM Plfora-L/moamm/c ca Nxtfossome mocss) UNITED STATES PATENT OFFICE.

N ILES I. DONALDSON, OF WORCESTER, MASSACHUSETTS.

IMPROVEMENT IN INHALERS.

Speciiicatiou forming part of Letters Patent No. 134,861, dated January 14, 1873 ;v reissue No. 5,491, dated July 15, 1873 application led May 31, 1873.

To all whom fit may concern:

Be it known that I, NrLEs I. DONALDSON, of the city and county of Worcester and Oommonwealth of Massachusetts, have invented certain new and useful Improvements in Medical Inhalers; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawings forming a part of this specification and to the letters and figures of reference marked thereon.

Referring to the drawings, Figure 1 represents a side view of my improved inhaler. Fig. 2 represents a horizontal section of cthe same at line A B, Fig. 1. Fig. 3 represents a central section through one of the tubes.

The object of this invention is to provide an inhaler that is more compact in form and more convenient to use than those heretofore in use; and to that end the nature of my inv vention consists, first, in a peculiarly-constructed bulbed inlet-tube, as hereinafter set forth 5 and, second, in the combination and relative arrangement of the several parts ofthe apparatus, in the manner set forth,to producel a simple, effective, and durable inhaler.

In the drawing, the part marked A represents the main receptacle, which, in the present instance, is a small glass jar fitted with a cork stopper, B. C C indicate the inlet-tubes, which I make of the peculiar form shown.

VThese tubes are bent or curved in such a manner that a portion of the'tubing at a will be nearly in a horizontal position, andto the lower side of the part a is attached a hollow bulb, D, for containing the medicinal liquid. The bulb D communicates with the tube by a passage, b, through the attachment, the tube and bulb being blown from glass in a single piece. The upper portion of the tubes O O are arranged through the stopper B, while their lower ends extend nearly to the bottom of the receptacle A, the bulbs D being completely inclosed within the interior of said receptacle A, as illustrated. E indicates the draft-tube, which is arranged through the stopperB from the upper part of the receptacleA and projects outward in an inclined position, as shown. F F indicate small funnels arranged in the upper ends of the tubes C C',

through which to pour the liquids into the bulbs D. These funnels also serve as valves to nearly close the mouth of the tubes, so that when inhaling through the draft-tube E the air is partially exhausted within the re` charged with the vapors arising from the liquids in the respective bulbs. These vapors are purified as they bubble up through the water, and, mingling in the upper part of the receptacle, pass tothe patient through the draft-tube E.

The inhalers may be made with one or both of the inlet-tubes, as desired. When but one inlet-tube is used the alkali is placed in the main receptacle A with the water, the acid being introduced into the bulb of the inlettube.

Among the advantages obtained by constructing the inhaler in accordance with my invention, as shown and described, may be mentioned the followingiThe peculiar form of the inlet-tube and bulb is such that the air passes over instead of through the acid or other liquid in the bulb; consequently the vapor is less harsh than it otherwise would be. The bulbs and tubes being placed in the interior of the receptacle render the apparatus compact and convenient for use, and the bulbs are not liable to be broken or the tubes injured, while the form of the bulb is such that the liquid is not liable to overiiow by the agitation caused by handling the apparatus. It will also be observed that the stopper B, bulbed tubes C C', and draft-tube E are all so arranged as to fit into a single opening 5 consequently an ordinary small jar or widemouthed bottle can be used for the main receptacle A, thus rendering it unnecessary to have the receptacles made specially for the purpose. This greatly reduces the cost of the apparatus, and, in case of accident to the reeeptaele, obviates nlueh inconvenience to the person using in sending for and procuring a` new receptacle.

What I claim as new, and desire to secure 4 by Letters Patent, is-

l. The combination, with the receptacle in an inhaling apparatus, ofthe peculiarly-oonstrueted inlet-tube G provided with a bulb, D, upon the lower side of the bent or horizontal portion aJ of the tube, substantially as set forth.

2. The combination, with the inlet-tubes C Cf, of the funnels or valves F, substantially as and for the purpose set forth.

3. An inhaling apparatus, consisting of a main receptacle, A, having a single opening provided with a stopper,B,inlet-tube or tubes C, liquid bulb or bulbs D upon the lower side of the bent or horizontal portion of the tube which is within the main receptacle and drafttube E, substantially as set forth.

4. The peculiarly-constructed vinlet-tube C bent at a, as shown, and having the vcommunieating bulb D blown on the lower side of the bent or horizontal portion of the tube, as and for the purposes specified.

In testimony that I claim the above I have hereunto subscribed my naine in the presence of two witnesses.

N. I. DONALDSON.y [Ls] Witnesses:

GEO. MGALEER, I. U. BATES SMITH.

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