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US119748A - Improvement in inhalers and vaporizers for administering anesthetics - Google Patents

Improvement in inhalers and vaporizers for administering anesthetics Download PDF

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Publication number
US119748A
US119748A US119748DA US119748A US 119748 A US119748 A US 119748A US 119748D A US119748D A US 119748DA US 119748 A US119748 A US 119748A
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inhaler
inhalers
improvement
vaporizers
vapor
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks

Definitions

  • Figure l is a sectional elevation of the inhaler and the vaporizer
  • Fig. 2 is a section of the inhaler.
  • the inhaler consists of a truncated cone, A, made of metal or other material, with the outline of the base tted to be applied to the face of the patient so as to cover the mouth and nose, the edge being turned and protected by a cushion, B, of chamois-leather, or other substance from injuring the face on application.
  • a horizontal diaphragm, C It is divided near the center by a horizontal diaphragm, C, so as to form two compartments connected by a valvular opening, D, the upper being fitted with a basin, E, shield F, and sponge G, the sponge to be moistened, saturated, or ⁇ wet with chloroform, ether, or other anzesthetio, the vapor being drawn by inhalation through the opening H left around the lower margin of the shield, the shield itself to protect the patient om any moisture in the sponge by shedding that excess or droppage into the space below.
  • the vapor passes into the lower chamber through the passage D, having a valve, I, connected to the diaphragm and opening inward toward the face of the patient and then enters the lungs by inhalation.
  • the slide M on the side of the lower chamber opposite the valve is for the admission of atmospheric air, by raising or lowering' which the density of the vapor can be graduated to any desired strength, thus hastening or shortening the rapidity of action at the administrators pleasure, or as the necessity of the patient may require.
  • a movable cover, N is placed on the top for the easy saturation, removal, or cleansing of the sponge and basin. rlhe top has an opening, o, in the center for the admission of air or insertion of the flexible pipe attached tothe vaporizer a, or the tube of the nitrous acid gas-bag or any other tube or valve used for inhaling purposes.
  • This vaporizer consists of a simple vessel, Q, of any material, with a close tting cover and small tube R in the center of cover for attach ⁇ ment or connection between the inhaler and the vaporizer; the attachment consisting of an Indiarubber or other tube passing from the pipe on the vaporizer to the apertures in the cover of the inhaler.
  • the medicine, water, or any other agent to be administered in the form of a vapor or steam having been previously placed inside, remove the sponge from the inhaler, establish the connection by means of the tube between the vaporizer and inhaler, and the vapor or steam passes abundantly and efficiently to the nose, mouth, throat, or lungs, either or all, as may .be required.
  • This improved instrument furnishes a cheap, convenient, and efficient apparatus which greatly economizes the material used and administers it in such a VWay that the vapor cannot become 2.
  • the inhaler A provided with an air-induc- Oharged with the impurities discharged from the tion passage mld a regulating slide, substantial- ]uugs. Y 1y as speeiied.

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  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

E. E. DUNCANS'ON.
lmprovementvin `1nha|er and vapori-zer.
Patented 9ct. 10,1871.
NITED STATES ETHELBERT E. DUNCANSON, OF CHICAGO, ILLINOIS.
IMPROVEMENT IN INHALERS AND VAPURIZERS FR ADMINISTERING AN/ESTHETICS.
Specification forming part of Letters Patent No. 119,748, dated October 10, 1871.
To all whom it may concern:
Be it known that I, ETHELBERT E. DUNCAN- s0N, of Chicago, in thecounty of Cook and provements in apparatus for generating and inhaling vapor; and it consists in an inhaler peculiarly arranged for separating the excess of moisture from the vapor; also, for preventing' the out-breath of the patient from mixing with the vapor, combined with avapor-generator and a exible tube leading from the latter to the said inhaler, all as hereinafter described.
Figure l is a sectional elevation of the inhaler and the vaporizer, and Fig. 2 is a section of the inhaler.
Similar letters of reference indicate corresponding parts.
The inhaler consists of a truncated cone, A, made of metal or other material, with the outline of the base tted to be applied to the face of the patient so as to cover the mouth and nose, the edge being turned and protected by a cushion, B, of chamois-leather, or other substance from injuring the face on application. It is divided near the center by a horizontal diaphragm, C, so as to form two compartments connected by a valvular opening, D, the upper being fitted with a basin, E, shield F, and sponge G, the sponge to be moistened, saturated, or `wet with chloroform, ether, or other anzesthetio, the vapor being drawn by inhalation through the opening H left around the lower margin of the shield, the shield itself to protect the patient om any moisture in the sponge by shedding that excess or droppage into the space below. The vapor passes into the lower chamber through the passage D, having a valve, I, connected to the diaphragm and opening inward toward the face of the patient and then enters the lungs by inhalation. The expiration from the lungs, passing into the lower chamber K, is conveyed by a lateral valve, L, to the open air-valve I closingfat the time, thussaving a vast expenditure of theagent employed, and also preventing it from being saturated with noxious gases passing from the lungs, the out-breathing not passing through the sponge, but bythe aforesaid valve in the side of the lower chamber, thus forming the simplest and most scientific instrument yet in existence for anaesthetizing and inhaling purposes.
The slide M on the side of the lower chamber opposite the valve is for the admission of atmospheric air, by raising or lowering' which the density of the vapor can be graduated to any desired strength, thus hastening or shortening the rapidity of action at the administrators pleasure, or as the necessity of the patient may require. A movable cover, N, is placed on the top for the easy saturation, removal, or cleansing of the sponge and basin. rlhe top has an opening, o, in the center for the admission of air or insertion of the flexible pipe attached tothe vaporizer a, or the tube of the nitrous acid gas-bag or any other tube or valve used for inhaling purposes. l
This vaporizer consists of a simple vessel, Q, of any material, with a close tting cover and small tube R in the center of cover for attach` ment or connection between the inhaler and the vaporizer; the attachment consisting of an Indiarubber or other tube passing from the pipe on the vaporizer to the apertures in the cover of the inhaler.
The bottom of the vaporizer being fixed above a la-mp or on any other heating surface, the medicine, water, or any other agent to be administered in the form of a vapor or steam having been previously placed inside, remove the sponge from the inhaler, establish the connection by means of the tube between the vaporizer and inhaler, and the vapor or steam passes abundantly and efficiently to the nose, mouth, throat, or lungs, either or all, as may .be required.
This improved instrument furnishes a cheap, convenient, and efficient apparatus which greatly economizes the material used and administers it in such a VWay that the vapor cannot become 2. The inhaler A, provided with an air-induc- Oharged with the impurities discharged from the tion passage mld a regulating slide, substantial- ]uugs. Y 1y as speeiied.
Having thus described my invention, what 4I ETHELBERT E. DUNGANSON. claim as new, and desire to secure by Letters Pat- 1 ent, is Witnesses: Y 1. The inhaler A, constructed, arranged, and THOMAS M. JORDAN combined with a vafporizer and :L connecting J. S. BROWN. (98) Jmbe, substantially as herein speeied.
US119748D Improvement in inhalers and vaporizers for administering anesthetics Expired - Lifetime US119748A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417759A (en) * 1945-07-03 1947-03-18 Sonja V Johnson Inhalator
US2960985A (en) * 1956-04-09 1960-11-22 Air Reduction Anesthetic inhaler apparatus
US4905686A (en) * 1988-01-12 1990-03-06 Simulators Limited, Inc. Cold weather breathing mask

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2417759A (en) * 1945-07-03 1947-03-18 Sonja V Johnson Inhalator
US2960985A (en) * 1956-04-09 1960-11-22 Air Reduction Anesthetic inhaler apparatus
US4905686A (en) * 1988-01-12 1990-03-06 Simulators Limited, Inc. Cold weather breathing mask

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