US2670739A - Inhaler - Google Patents

Inhaler Download PDF

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Publication number
US2670739A
US2670739A US234707A US23470751A US2670739A US 2670739 A US2670739 A US 2670739A US 234707 A US234707 A US 234707A US 23470751 A US23470751 A US 23470751A US 2670739 A US2670739 A US 2670739A
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body member
sleeve
bore
inhaler
reed
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US234707A
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Charles M Mcneill
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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
    • A61M15/00—Inhalators
    • A61M15/08—Inhaling devices inserted into the nose
    • 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
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/0021—Mouthpieces therefor
    • A61M15/0025—Mouthpieces therefor with caps
    • 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. mouth-to-mouth respiration; 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
    • A61M16/16—Devices to humidify the respiration air

Definitions

  • an inhaler which contains a medicinal solution wherein, upon inspiratory breathing by the user, a portion of the medicine will be shaken loose from a vibratory ribbon or reed to be intermixed with the incoming air current and create a fine spray.
  • a further object of the invention is to provide an inhaler which is extremely simple and inexpensive to manufacture.
  • Figure 1 is a longitudinal sectional view taken through the inhaler, constructed according to the present invention.
  • Figure 2 is a longitudinal sectional view taken through the cap
  • Figure 3 is a sectional view taken on the line 3-3 of Figure 1;
  • Figure 4 is a sectional view taken on the line 4-4 of Figure 1;
  • Figure 5 is a sectional view taken on the line 5-5 of Figure 1;
  • Figure 6 is a sectional view taken on line 6-5 of Figure 1.
  • the numeral l designates the casing or housing which may be fabricated of any suitable material, such as plastic.
  • the casing I0 is adapted to hold a quantity of medicinal solution S therein, Figure 1.
  • Supported on the top of the casing I0 is a collar II, the collar l I being cut away, as at I2, to define an annular shoulder so that the collar II will be supported upon the casing 10.
  • the upper portion of the collar II is cut away. as at M, and extending upwardly from the collar II is a sleeve [5.
  • the sleeve l defines a nose piece which can be inserted into the users nostrils when the medicinal solution S is to be drawn into the nose or lungs of the user.
  • the upper end of the sleeve I5 is open, as at J6, so that the spray containing the volatilized medicine can pass from the inhaler.
  • the sleeve I 5 is provided with a plurality of spaced slots or openings l'l, Figures 1 and 4, and extending downwardly from the sleeve is a body member IS.
  • the body member l3 may be fabricatedof any suitable material, such as metal, and the lower end of the body member I8 is shaped to define a shank 19.
  • the shank l9 extends downwardly into the solution S, and the shank i9 is provided with a slot for a purpose to be later described.
  • the intermediate portion of the body member I8 is indicated by the numeral 2
  • the upper end of the body member i8 is shaped to define a chamber '23, Figure l, and the bore 22 communicates with the chamber 23.
  • the body member I8 is further provided with slots or openings 24 which communicate with the bore 22 so that air traveling through the casing 10 can pass into the bore through the openings 24.
  • a reed or ribbon 25 extends downwardly through slot 20, and the reed 25 is fabricated of a material which will absorb or draw up some of the solution S by capillary action.
  • the reed 25 is also flexible, so that as air is drawn up through the bore 22, the ribbon or reed 25 will vibrate, whereby some of the medicine on the upper portion of the reed 25 will be shaken loose or vibrated loose to become intermixed with the'moving air current so as to create a medicinal spray.
  • a baffle 26 Arranged within the sleeve [5 above the body member I8 is a baffle 26.
  • the baille 26 is provided with a plurality of radially extending slots or opening 27, Figures 1 and 3, and the baiiie 2'6 serves to prevent any large droplets or particles of medicine from being carried into the nostrils or lungs of the user.
  • a cap 28, Figure 2 is adapted to be inserted or positioned over the sleeve I5 when the inhaler is not being used, so that the contents of the inhaler wont deteriorate or become contaminated.
  • the flexible reed 25 adsorbsor retains a quantity of the medicinal solution S due to capillary action of the reed 25, and as the air is sucked up through the bore '22, the reed 25 will vibrate so that a portion of the fluid material thereon will be shaken loose and intermixed with the movin air.
  • a spray containing atomized medicinal solution will be created, and this spray will pass up through the chamber 23, thence through the openings 21, and finally out through the openings It in the upper end of the sleeve l5 and into the nostrils and lungs of the user.
  • the baffie 26 will prevent any large drops of medicine from passing through the sleeve IS.
  • the wick or reed 25 has its lower end anchored in the slot in the shank it, Figure 1.
  • the wick soaks up the medicinal solution by capillary action, so that the medicinal solution will be atomized as the user breathes. Thus, a fine spray will be produced as a result of the negative pressure of breathing.
  • the baffle 25 catches the heavier droplets of medicine so that only the smallest particles of mist will pass out of the inhaler.
  • a casing adapted to contain a quantity of medioinal'solution therein, a collar supported on the top of said casing, an openended sleeve extending upwardly from said collar and defining a nose piece, there being a plurality of spaced openings in said sleeve for the passage therethrough-of air, a body member extending downwardly from said sleeve into the solution,
  • said body member comprising a lower shank prov-ided with a slot, the intermediate portion of said body member being provided with a bore, there being openings in said body member communicating with said bore, the upper interior portion of said body member being shaped to define a chamber, and a flexible reed projecting into said slot and extending through said bore.
  • a casing adapted to contain a quantity of medicinal solution therein, a collar supported on the top of said casing, an openended sleeve extending upwardly from said collar and defining a nose piece, there being a plurality of spaced openings in said sleeve for the passage therethrough of air, a body member extending downwardly from said sleeve into the solution, said body member comprising a lower shank provided with a slot, the intermediate portion of said .body member being provided with a bore, the upper interior portion of said body member being shaped to define a chamber, and a flexible reed projecting into said slot and extending through said bore, said reed adapted-to vibrate upon inspiratory breathing of the user to cause the medicinal solution thereon to become atomized and create a spray with the moving air.
  • a casing adapted to contain a quantity of medicinal solution therein, a collar supported on. the top of said casing, .an opend ended sleeve extending upwardly from said collar and defining a nose piece, there being a plurality of spaced openings in said sleeve for the passage therethrough of air, a body member extending downwardly from said sleeve into the solution, said body member comprising a lower shank provided with a slot, the intermediate portion of said body member being provided with a bore, there being openings in said body member communicating with said bore, the upper interior portion of said body member being shaped to define a chamber, and a flexible reed projecting into said slot and extending through said bore, said reed adapted to vibrate upon inspiratory breathing by the user to cause the medicinal solution thereon tobecome atomized to create a spray with the moving air, and a cap for closing the upper end of the sleeve when the inhaler is not being used
  • a casing adapted to contain a quantity of medicinal solution therein, a collar supported on the top of said casing, an openended sleeve extending upwardly from said collar and defining a nose piece, there being a plurality of spaced openings in said sleeve for the passage therethrough of air, a body member extending downwardly from said sleeve into the solution, said body member comprising a lower shank provided with a slot, the intermediate portion of said body member being provided with a bore, there being openings in said body member communicating with said bore, the upper interior portion of said body member being shaped to define a chamber, and a flexible reed projecting into said slot and extending through said :bore, said reed adapted to vibrate upon inspiratory breathing by the user to cause the medicinal solution thereon to become atomized and create a spray with the moving air, a cap for closing the upper end or the leeve when the inhaler is not being used, and a bafile
  • a casing adapted to contain quantity of medicinal solution therein, an open ended sleeve extending upwardly from said casing and defining a nose piece, there being a -pmrality of spaced openings at the base of said nose'piece for the passage of air into the casinga body member extending downwardly from said sleeve into the casing, said body member comprising a lower shank provided with a slot, the remaining portion of said body member being provided with a bore, there being air openings in the lower end of the remaining portion of said body member communicating with said bore andwith the interior of the casing, and a ribbon projecting into said slot and extending through said bore, said IlbbDn dipping into the solution in the casing, and means for securing the ribbon in place.

Description

r h 4 c. M. MONEILL INHALER Filed July 2, 1951 lNVEN'ljOR. Car les 772 772-026;,
ATTORNEYS Patented Mar. 2, 1954 UNIT ED STATES TENT OFFICE 5 Claims.
an inhaler which contains a medicinal solution wherein, upon inspiratory breathing by the user, a portion of the medicine will be shaken loose from a vibratory ribbon or reed to be intermixed with the incoming air current and create a fine spray.
A further object of the invention is to provide an inhaler which is extremely simple and inexpensive to manufacture.
Other objects and advantages will be apparent during the course of the following description.
In the accompanying drawings forming a part of this application, and in which like numerals are used to designate like parts throughout the same:
Figure 1 is a longitudinal sectional view taken through the inhaler, constructed according to the present invention;
Figure 2 is a longitudinal sectional view taken through the cap;
Figure 3 is a sectional view taken on the line 3-3 of Figure 1;
Figure 4 is a sectional view taken on the line 4-4 of Figure 1;
Figure 5 is a sectional view taken on the line 5-5 of Figure 1;
Figure 6 is a sectional view taken on line 6-5 of Figure 1.
Referring in detail to the drawings, the numeral l designates the casing or housing which may be fabricated of any suitable material, such as plastic. The casing I0 is adapted to hold a quantity of medicinal solution S therein, Figure 1. Supported on the top of the casing I0 is a collar II, the collar l I being cut away, as at I2, to define an annular shoulder so that the collar II will be supported upon the casing 10.
The upper portion of the collar II is cut away. as at M, and extending upwardly from the collar II is a sleeve [5. The sleeve l defines a nose piece which can be inserted into the users nostrils when the medicinal solution S is to be drawn into the nose or lungs of the user. The upper end of the sleeve I5 is open, as at J6, so that the spray containing the volatilized medicine can pass from the inhaler.
The sleeve I 5 is provided with a plurality of spaced slots or openings l'l, Figures 1 and 4, and extending downwardly from the sleeve is a body member IS. The body member l3 may be fabricatedof any suitable material, such as metal, and the lower end of the body member I8 is shaped to define a shank 19. The shank l9 extends downwardly into the solution S, and the shank i9 is provided with a slot for a purpose to be later described.
The intermediate portion of the body member I8 is indicated by the numeral 2|, and the intermediate portion 2| is provided with a cylindrical bore 22. The upper end of the body member i8 is shaped to define a chamber '23, Figure l, and the bore 22 communicates with the chamber 23. The body member I8 is further provided with slots or openings 24 which communicate with the bore 22 so that air traveling through the casing 10 can pass into the bore through the openings 24. A reed or ribbon 25 extends downwardly through slot 20, and the reed 25 is fabricated of a material which will absorb or draw up some of the solution S by capillary action. The reed 25 is also flexible, so that as air is drawn up through the bore 22, the ribbon or reed 25 will vibrate, whereby some of the medicine on the upper portion of the reed 25 will be shaken loose or vibrated loose to become intermixed with the'moving air current so as to create a medicinal spray.
Arranged within the sleeve [5 above the body member I8 is a baffle 26. The baille 26 is provided with a plurality of radially extending slots or opening 27, Figures 1 and 3, and the baiiie 2'6 serves to prevent any large droplets or particles of medicine from being carried into the nostrils or lungs of the user. A cap 28, Figure 2, is adapted to be inserted or positioned over the sleeve I5 when the inhaler is not being used, so that the contents of the inhaler wont deteriorate or become contaminated.
From the foregoing it is apparent that an inhaler has been provided wherein the upper end of the sleeve i5 can be inserted into the nostrils of the user after the cap 28 is removedtherefrom. Thus, upon inspiratory breathing, air will be drawn in through the openings I! in the sleeve l5, and this air will follow the paths indicated by the arrows in Figure 1. Thus, the air will pass downwardly through the casing i 0, and then enter the bore '22 through the openings 24. The flexible reed 25 adsorbsor retains a quantity of the medicinal solution S due to capillary action of the reed 25, and as the air is sucked up through the bore '22, the reed 25 will vibrate so that a portion of the fluid material thereon will be shaken loose and intermixed with the movin air. Thus, a spray containing atomized medicinal solution will be created, and this spray will pass up through the chamber 23, thence through the openings 21, and finally out through the openings It in the upper end of the sleeve l5 and into the nostrils and lungs of the user. The baffie 26 will prevent any large drops of medicine from passing through the sleeve IS.
The wick or reed 25 has its lower end anchored in the slot in the shank it, Figure 1. The wick soaks up the medicinal solution by capillary action, so that the medicinal solution will be atomized as the user breathes. Thus, a fine spray will be produced as a result of the negative pressure of breathing. The baffle 25 catches the heavier droplets of medicine so that only the smallest particles of mist will pass out of the inhaler.
From the foregoing .it is apparent that-a means has been provided .for breaking up a fluid by the low pressure of breathing into fine enough particles to fioat with the air stream into the lung passage. Thus, a person can breathe hard enough to vibrate a ribbon or a reed, in several different arrangements as previously described and the vibrations of the reed or ribbon have the necessary force to break up the fluid. Further,
whenever fluid drops on a vibrating reed or spring it will be atomized or nebulized. This structure has been utilized in a medicinal applicator and will work properly and be small and cheap enough to be sold as a dispenser or container of the medicine purchased.
1 claim:
1. In an inhaler, .a casing adapted to contain a quantity of medioinal'solution therein, a collar supported on the top of said casing, an openended sleeve extending upwardly from said collar and defining a nose piece, there being a plurality of spaced openings in said sleeve for the passage therethrough-of air, a body member extending downwardly from said sleeve into the solution,
said body member comprising a lower shank prov-ided with a slot, the intermediate portion of said body member being provided with a bore, there being openings in said body member communicating with said bore, the upper interior portion of said body member being shaped to define a chamber, and a flexible reed projecting into said slot and extending through said bore. 2. In an inhaler, a casing adapted to contain a quantity of medicinal solution therein, a collar supported on the top of said casing, an openended sleeve extending upwardly from said collar and defining a nose piece, there being a plurality of spaced openings in said sleeve for the passage therethrough of air, a body member extending downwardly from said sleeve into the solution, said body member comprising a lower shank provided with a slot, the intermediate portion of said .body member being provided with a bore, the upper interior portion of said body member being shaped to define a chamber, and a flexible reed projecting into said slot and extending through said bore, said reed adapted-to vibrate upon inspiratory breathing of the user to cause the medicinal solution thereon to become atomized and create a spray with the moving air.
3. In an inhaler, a casing adapted to contain a quantity of medicinal solution therein, a collar supported on. the top of said casing, .an opend ended sleeve extending upwardly from said collar and defining a nose piece, there being a plurality of spaced openings in said sleeve for the passage therethrough of air, a body member extending downwardly from said sleeve into the solution, said body member comprising a lower shank provided with a slot, the intermediate portion of said body member being provided with a bore, there being openings in said body member communicating with said bore, the upper interior portion of said body member being shaped to define a chamber, and a flexible reed projecting into said slot and extending through said bore, said reed adapted to vibrate upon inspiratory breathing by the user to cause the medicinal solution thereon tobecome atomized to create a spray with the moving air, and a cap for closing the upper end of the sleeve when the inhaler is not being used.
4. In an inhaler, a casing adapted to contain a quantity of medicinal solution therein, a collar supported on the top of said casing, an openended sleeve extending upwardly from said collar and defining a nose piece, there being a plurality of spaced openings in said sleeve for the passage therethrough of air, a body member extending downwardly from said sleeve into the solution, said body member comprising a lower shank provided with a slot, the intermediate portion of said body member being provided with a bore, there being openings in said body member communicating with said bore, the upper interior portion of said body member being shaped to define a chamber, and a flexible reed projecting into said slot and extending through said :bore, said reed adapted to vibrate upon inspiratory breathing by the user to cause the medicinal solution thereon to become atomized and create a spray with the moving air, a cap for closing the upper end or the leeve when the inhaler is not being used, and a bafile arranged transversely in said sleeve above said body member and provided with a plurality of spaced openings.
5. In an inhaler, a casing adapted to contain quantity of medicinal solution therein, an open ended sleeve extending upwardly from said casing and defining a nose piece, there being a -pmrality of spaced openings at the base of said nose'piece for the passage of air into the casinga body member extending downwardly from said sleeve into the casing, said body member comprising a lower shank provided with a slot, the remaining portion of said body member being provided with a bore, there being air openings in the lower end of the remaining portion of said body member communicating with said bore andwith the interior of the casing, and a ribbon projecting into said slot and extending through said bore, said IlbbDn dipping into the solution in the casing, and means for securing the ribbon in place.
CHARLES M. MCNEILL.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 862,856 Tygard I- Aug. '6, 19.07 1,939,302 Heaney Dec. 12, 1933 2,119,207 Gibbs May 31, 1938 2,266,705 Fox Dec. 15, i941.
FOREIGN PATENTS Number Country Date 73,625 Switzerland Nov. 1, 1916
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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182978A (en) * 1961-08-02 1965-05-11 Dravo Corp Sewage treating apparatus and air diffuser for use thereon
US3382870A (en) * 1965-10-18 1968-05-14 Robert D. Parry Nebulizer
WO1987006475A1 (en) * 1986-04-25 1987-11-05 Makiej, Walter, J., Jr. Particule catcher for inhalation devices
WO1992004065A1 (en) * 1990-09-11 1992-03-19 Walstrom Dennis R Delivery device for atomized medicaments
US5533501A (en) * 1993-06-04 1996-07-09 Medic-Aid Limited Nebuliser
US5724959A (en) * 1990-10-02 1998-03-10 Aea Technology Plc Powder inhaler with specific orifice and baffle arrangement
US6182655B1 (en) * 1995-12-07 2001-02-06 Jago Research Ag Inhaler for multiple dosed administration of a pharmacological dry powder
US6293279B1 (en) 1997-09-26 2001-09-25 Trudell Medical International Aerosol medication delivery apparatus and system
US6345617B1 (en) 1997-09-26 2002-02-12 1263152 Ontario Inc. Aerosol medication delivery apparatus and system
US6557549B2 (en) 2000-04-11 2003-05-06 Trudell Medical International Aerosol delivery apparatus with positive expiratory pressure capacity
US7131441B1 (en) 1995-12-07 2006-11-07 Skyepharma Ag Inhaler for multiple dosed administration of a pharmacological dry powder
US20090090355A1 (en) * 2002-05-02 2009-04-09 Pari Innovative Manufacturers Aerosol medication inhalation system
US20100101573A1 (en) * 2008-10-28 2010-04-29 Foley Martin P Oscillating positive expiratory pressure device
US8485179B1 (en) 2009-02-23 2013-07-16 Trudell Medical International Oscillating positive expiratory pressure device
US8539951B1 (en) 2008-05-27 2013-09-24 Trudell Medical International Oscillating positive respiratory pressure device
US8663069B2 (en) 2008-02-21 2014-03-04 Trudell Medical International Respiratory muscle endurance training device and method for the use thereof
USD731050S1 (en) 2011-06-06 2015-06-02 Trudell Medical International Oscillating positive expiratory pressure device
US9149589B2 (en) 2009-02-23 2015-10-06 Trudell Medical International Method and device for performing orientation dependent oscillating positive expiratory pressure therapy
US9517315B2 (en) 2012-11-30 2016-12-13 Trudell Medical International Oscillating positive expiratory pressure device
USD778429S1 (en) 2015-09-02 2017-02-07 Trudell Medical International Respiratory treatment device
USD780906S1 (en) 2015-09-02 2017-03-07 Trudell Medical International Respiratory treatment device
US9700689B2 (en) 2002-05-21 2017-07-11 Trudell Medical International Medication delivery apparatus and system and methods for the use and assembly thereof
US9849257B2 (en) 2013-08-22 2017-12-26 Trudell Medical International Oscillating positive respiratory pressure device
US10004872B1 (en) 2015-03-06 2018-06-26 D R Burton Healthcare, Llc Positive expiratory pressure device having an oscillating valve
US10092037B2 (en) 2012-01-31 2018-10-09 Altria Client Services Llc Electronic cigarette
US10272224B2 (en) 2013-07-12 2019-04-30 Trudell Medical International Huff cough simulation device
US10363383B2 (en) 2014-02-07 2019-07-30 Trudell Medical International Pressure indicator for an oscillating positive expiratory pressure device
US10449324B2 (en) 2015-07-30 2019-10-22 Trudell Medical International Combined respiratory muscle training and oscillating positive expiratory pressure device
US10646668B2 (en) * 2005-06-02 2020-05-12 Respinova Ltd. Pulsating inhaler and a method of treating upper respiratory disorders
US10857317B2 (en) 2015-12-04 2020-12-08 Trudell Medical International Huff cough simulation device
WO2021021879A1 (en) * 2019-07-29 2021-02-04 Cai Gu Huang Cartridge with single-layer container and its nozzle-shaped cap for nebulization inhalation
US10953278B2 (en) 2018-02-02 2021-03-23 Trudell Medical International Oscillating positive expiratory pressure device
US11559723B2 (en) 2017-05-03 2023-01-24 Trudell Medical International Combined oscillating positive expiratory pressure therapy and Huff Cough simulation device

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US862856A (en) * 1907-01-21 1907-08-06 Henry A Wise Wood Vibrative liquid atomizer and mixer.
CH73625A (en) * 1915-08-04 1916-11-01 Hans Peter Carburizing device for internal combustion engines
US1939302A (en) * 1929-04-12 1933-12-12 Edward B Benjamin Apparatus for and art of carburation
US2119207A (en) * 1935-12-26 1938-05-31 John H Gibbs Air conditioning apparatus
US2266706A (en) * 1938-08-06 1941-12-16 Stanley L Fox Nasal atomizing inhaler and dropper

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US2119207A (en) * 1935-12-26 1938-05-31 John H Gibbs Air conditioning apparatus
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Cited By (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182978A (en) * 1961-08-02 1965-05-11 Dravo Corp Sewage treating apparatus and air diffuser for use thereon
US3382870A (en) * 1965-10-18 1968-05-14 Robert D. Parry Nebulizer
WO1987006475A1 (en) * 1986-04-25 1987-11-05 Makiej, Walter, J., Jr. Particule catcher for inhalation devices
US4706663A (en) * 1986-04-25 1987-11-17 Makiej Paul A Particle catcher for inhalation devices
EP0264441A1 (en) * 1986-04-25 1988-04-27 MAKIEJ, Walter J. Jr. Particule catcher for inhalation devices
EP0264441A4 (en) * 1986-04-25 1989-07-11 Makiej Walter J Jr Particule catcher for inhalation devices.
WO1992004065A1 (en) * 1990-09-11 1992-03-19 Walstrom Dennis R Delivery device for atomized medicaments
US5178138A (en) * 1990-09-11 1993-01-12 Walstrom Dennis R Drug delivery device
US5724959A (en) * 1990-10-02 1998-03-10 Aea Technology Plc Powder inhaler with specific orifice and baffle arrangement
US5533501A (en) * 1993-06-04 1996-07-09 Medic-Aid Limited Nebuliser
US6182655B1 (en) * 1995-12-07 2001-02-06 Jago Research Ag Inhaler for multiple dosed administration of a pharmacological dry powder
USD469527S1 (en) 1995-12-07 2003-01-28 Jago Research Ag Pharmacological inhaler
US7131441B1 (en) 1995-12-07 2006-11-07 Skyepharma Ag Inhaler for multiple dosed administration of a pharmacological dry powder
US6293279B1 (en) 1997-09-26 2001-09-25 Trudell Medical International Aerosol medication delivery apparatus and system
US6345617B1 (en) 1997-09-26 2002-02-12 1263152 Ontario Inc. Aerosol medication delivery apparatus and system
US6435177B1 (en) 1997-09-26 2002-08-20 Trudell Medical International Aerosol medication delivery apparatus and system
US20030226562A1 (en) * 2000-04-11 2003-12-11 Trudell Medical International Aerosol delivery apparatus with positive expiratory pressure capacity
USRE43174E1 (en) 2000-04-11 2012-02-14 Trudell Medical International Aerosol delivery apparatus
USRE46050E1 (en) 2000-04-11 2016-07-05 Trudell Medical International Aerosol delivery apparatus
USRE45068E1 (en) 2000-04-11 2014-08-12 Trudell Medical International Aerosol delivery apparatus
US6557549B2 (en) 2000-04-11 2003-05-06 Trudell Medical International Aerosol delivery apparatus with positive expiratory pressure capacity
US6848443B2 (en) 2000-04-11 2005-02-01 Trudell Medical International Aerosol delivery apparatus with positive expiratory pressure capacity
US8459252B2 (en) 2002-05-02 2013-06-11 Pari Innovative Manufacturers, Inc. Aerosol medication inhalation system
US8074641B2 (en) 2002-05-02 2011-12-13 Pre Holdings, Inc. Aerosol medication inhalation system
US7562656B2 (en) 2002-05-02 2009-07-21 Hydrate, Inc. Aerosol medication inhalation system
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