US2227536A - Apparatus for ether anesthesia - Google Patents

Apparatus for ether anesthesia Download PDF

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Publication number
US2227536A
US2227536A US177632A US17763237A US2227536A US 2227536 A US2227536 A US 2227536A US 177632 A US177632 A US 177632A US 17763237 A US17763237 A US 17763237A US 2227536 A US2227536 A US 2227536A
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United States
Prior art keywords
ether
mask
patient
water bath
water
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US177632A
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English (en)
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D Agostino Francesco
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/18—Vaporising devices for anaesthetic preparations

Definitions

  • My invention relates to a new apparatus for When the patient to which the mask is applied ether anesthesia allowing the formation of a subbreathes out, the valve I1 will be opened, wherestantially perfect mixture which is continually as the valves l1 and I3 remain closed, the bladproportioned according to the surgeons intender I4 will be inflated and receive the expired air.
  • Fig. 1 represents a first form of carrying out pregnated with ether by the continuous regulated my present invention. supply from the drip-cock I9.
  • the mixture is l5 Fig. 2 represents a second form of the apparacompelled by the inspiration of the patient to 15 tus according to my invention.' descend through the first compartment 4', to Fig. v3 shows a sectional view of a drip-cock pass through the net 6 in the lower free space of adapted for use in the apparatus. the receiver 4 and to rise then through the sec- Fig.
  • the patient inspires a mixture sists in a boiler I containing water, which is 0f anhydrous carbonio acid (from the bladder heated by means of an eleetrie resistance 2, or by I4) of fresh air (from the valve I3), and of overany other suitable means; the temperature of the heated ether fumes (from the YeCeVeI' COmDflt- ,25 water is indicated by a thermometer 3.
  • the ments 4 and 4 ).
  • 'Ihe mixture contains also a main member of the apparatus is located in the certain degree of moisture collected from the boiler I that is to say a receiver 4 divided in two Water-Vet 3 warmed by a tube i', and VepOU-I compartments 4 and 4" separated from each formed therein is aspired by the described curother by a diaphragm 5 which contacts at its rent of the mixture towards the net in the re- .p30
  • the other pipe through the pipe 29 and with the water vat 3l I2 also leads by a flexible tube I5 having a through the pipe 32.
  • the water vat 3l is as 45 valve I1' to the mask IB.
  • a graduated ether shown tightly closed and the water therein is ilask I8 with a drip-cock I9 communicates with slowly heated due to the thermic conductivity of the receiver 4 by means of the vertical pipe 2B the pipe 32.
  • the Water Vapor therefore which is directly above the diaphragm 5. formed escapes through the pipe 32 and enters
  • the pipe 'I is closed at the bottom and is prothe mixing receptacle 21.
  • the operation of the apparatus is as follows: I2-I4 of the Fig. 1.
  • the manner in which they 55 different elements of the anesthetic mixture are mixed with each other are somewhat different in this second constructional form.
  • the anhydrous carbonio acid which was collected in the extensible bladder 33 during the breathing Out phase, is released during the breathing in phase and mixed with fresh air in the chamber 2'5 from which, always under the effect of the partial vacuum, which in this latter phase is acting through the pipe 36 in the mixing chamber 28, it will be aspired through the pipe 23, where it is warmed by the resistance 22 and finally mixed with the other elements of the mixture in the chamber 28.
  • These other elements, such as ether, moisture and fresh air, before reaching the mixing chamber 28 are premixed in the chamber 2l connected by the pipe 29 with the air valve 3i), by the pipe 32 with the water-vat 3
  • the top end 3l of the pipe 25 is enlarged and has a glass window to observe the effect of the manual regulation of the ether by the drip-cock 39.
  • This drip-cock as shown in section in Figure 3, is characterised by the Z-form of the inner channel 4i) and by the lateral penetration of the conical point of the needle 4I in the said channel for the purpose of regulation.
  • Fig. 4 shows a form of a double-acting valve which is in connection with the patients mask by means of the pipe 42 in which the current of breath passes inthe two directions, respectively opening and closing the two valves 43 and 44 which have no springs and in the state of rest are both closed only by gravity.
  • the valve 43 is opened by the breathing out current and the valve 44 is opened by the breathing in current.
  • This form of execution of the apparatus has the advantage of securing a ⁇ greater individual regulation of the temperature for the several elements forming the anesthetic mixture. It is to be understood that the constructional elements may change and that parts may be omitted, as for instance, the water vats 8, 3
  • a container adapted to contain water forming a water bath, means for heating said Water, a receptacle located in said bath for the evaporation of ether, means supplying controlled quantities of ether to said receptacle, means for supplying fresh air to said receptacle, means for supplying expirated air to said receptacle, means for supplying moisture to said receptacle whereby said ether vapor, fresh air, expirated air and moisture may be mixed in said receptacle, a mask for a patient and exhalation and inhalation connections between said mask and said receptacle.
  • a container adapted to contain water forming a water bath, means for heating said water bath, means for mixing ether vapor, fresh air, expirated air and moisture located in said water bath and means for supplying said mixture to a patient.
  • a container adapted to contain water forming a water bath, means for heating said water bath, means having an inlet and an outlet end located in said water bath for mixing ether vapor, expirated air, fresh air and moisture, a mask for the patient, means connecting said mask to the inlet and of said mixing means, means connecting said mask to the outlet end of said mixing means and means automatically connecting the patient to either the inlet or the outlet of said mixing means dependent upon whether said patient is exhaling or inhaling.
  • a container adapted to contain water forming a water bath, means for heating said water bath, means having an inlet end and an outlet end located in said Water bath for mixing ether vapor, expirated air, fresh air and moisture, a mask for the patient, means connecting said mask to the inlet end of said mixing means, means connecting said mask to the outl let end of said mixing means and means automatically connecting the patient to either the inlet or the outlet end of said mixing means dependent upon whether said patient is exhaling or inhaling and means controlling the quantity of ether vapor.
  • a container adapted to contain Water forming a water bath, means for heating said water, a receptacle located in said water bath having an inlet compartment and an outlet compartment, a mask for a patient, means connecting said mask to said inlet compartment, a valve in said last named means communicating with the atmosphere, a bladder also in said last named means (for storing expirated air, means for supplying ether to said receptacle in regulated quantitles in order to be vaporized, means for supplying moisture to said receptacle and means ccnnecting said mask with said outlet compartment.
  • a container adapted to contain Water forming a water bath, means for heating said Water, a receptacle located in said Water bath having an inlet compartment and an outlet com- Cie partment, a mask for a patient, means connecting said mask to said inlet compartment, a Valve in said last named means communicating with the atmosphere, a bladder also in said last named means for storing expirated air, means for supplying ether to said receptacle in regulated quantities in order to be vaporized, means for supplying moisture to said receptacle and means connecting said mask with said outlet compartment and ⁇ valve means controlling said means connecting said mask to said inlet and outlet compartments.
  • an apparatus for ether anesthesia comprising a container adapted to f contain water forming a water bath, means for heating said Water, a receptacle located in said bath for the evaporation of ether, means supplying controlled quantities of ether to said receptaole, means for supplying fresh air to said receptacle, means for supplying expirated air to said receptacle, means for supplying moisture to said receptacle whereby a mixture of ether Vapor, fresh air, expirated air and moisture may be mixed in said receptacle, a mask for a patient, exhalation and inhalation connections between said mask and said receptacle, said means for supplying fresh air including a conduit in said water bath whereby said air is heated and said inhalation connection including a conduit in said water bath whereby said mixture may be heated.
  • an apparatus for ether anesthesia comprising a container adapted to contain water forming a water bath, means for heating said water bath, means for mixing ether vapor, fresh air, expirated air and moisture 1ocated in said water bath, means for supplying said mixture to a patient, means for heating said fresh air by said water bath prior to the mixing of said fresh air with said ether vapor and means for heating said mixture by said water bath before supplying said mixture to a patient.
  • an apparatus for ether anesthesia comprising a container adapted to contain water forming a water bath, means for heating said water bath, means for mixing ether Vapor, fresh air, expirated air and moisture located in said water bath, means for supplying said mixture to a patient, means for heating said fresh air and expirated air by said Water bath prior to the mixing of said fresh air with said ether vapor and means for heating said mixture by said water bath before supplying said mixture to a patient.

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  • Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (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)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Devices For Medical Bathing And Washing (AREA)
US177632A 1936-12-12 1937-12-01 Apparatus for ether anesthesia Expired - Lifetime US2227536A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT204080X 1936-12-12
IT240337X 1937-03-24

Publications (1)

Publication Number Publication Date
US2227536A true US2227536A (en) 1941-01-07

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ID=26327518

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US177632A Expired - Lifetime US2227536A (en) 1936-12-12 1937-12-01 Apparatus for ether anesthesia

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US (1) US2227536A (enrdf_load_stackoverflow)
BE (1) BE425034A (enrdf_load_stackoverflow)
CH (1) CH204080A (enrdf_load_stackoverflow)
FR (1) FR830297A (enrdf_load_stackoverflow)
GB (1) GB488250A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650980A (en) * 1949-11-25 1953-09-01 Popow Mike Agitated milk pasteurizer
US3638926A (en) * 1967-09-27 1972-02-01 Alfred W Melville Humidification
US3871373A (en) * 1972-10-30 1975-03-18 Richard R Jackson Humidifying gas
US4086923A (en) * 1976-01-05 1978-05-02 Melvyn Lane Henkin Altitude conditioning method and apparatus
US4210137A (en) * 1976-01-05 1980-07-01 Henkin Melvyn Lane Altitude conditioning method and apparatus
EP3144072A1 (en) * 2015-09-17 2017-03-22 Henkel AG & Co. KGaA Dispenser, kit and method for applying an activator for a curable cyanoacrylate-based component

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112843413B (zh) * 2021-01-13 2024-02-09 深圳市普博医疗科技股份有限公司 一种麻醉机用具有保压排气功能的便携式蒸发罐

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650980A (en) * 1949-11-25 1953-09-01 Popow Mike Agitated milk pasteurizer
US3638926A (en) * 1967-09-27 1972-02-01 Alfred W Melville Humidification
US3871373A (en) * 1972-10-30 1975-03-18 Richard R Jackson Humidifying gas
US4086923A (en) * 1976-01-05 1978-05-02 Melvyn Lane Henkin Altitude conditioning method and apparatus
US4210137A (en) * 1976-01-05 1980-07-01 Henkin Melvyn Lane Altitude conditioning method and apparatus
EP3144072A1 (en) * 2015-09-17 2017-03-22 Henkel AG & Co. KGaA Dispenser, kit and method for applying an activator for a curable cyanoacrylate-based component

Also Published As

Publication number Publication date
CH204080A (it) 1939-04-15
GB488250A (en) 1938-07-04
BE425034A (enrdf_load_stackoverflow)
FR830297A (fr) 1938-07-25

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