US20170128972A1 - Aseptic aerosol misting device - Google Patents

Aseptic aerosol misting device Download PDF

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Publication number
US20170128972A1
US20170128972A1 US15/337,365 US201615337365A US2017128972A1 US 20170128972 A1 US20170128972 A1 US 20170128972A1 US 201615337365 A US201615337365 A US 201615337365A US 2017128972 A1 US2017128972 A1 US 2017128972A1
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United States
Prior art keywords
section
liquid
horn
horn section
reservoir
Prior art date
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.)
Abandoned
Application number
US15/337,365
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English (en)
Inventor
Alexandru Paunescu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson Consumer Inc
Original Assignee
Johnson and Johnson Consumer Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Johnson and Johnson Consumer Inc filed Critical Johnson and Johnson Consumer Inc
Priority to US15/337,365 priority Critical patent/US20170128972A1/en
Assigned to JOHNSON & JOHNSON CONSUMER INC. reassignment JOHNSON & JOHNSON CONSUMER INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PAUNESCU, ALEXANDRU
Publication of US20170128972A1 publication Critical patent/US20170128972A1/en
Priority to US16/506,676 priority patent/US11253885B2/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0623—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers coupled with a vibrating horn
    • B05B17/063—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers coupled with a vibrating horn having an internal channel for supplying the liquid or other fluent material
    • 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
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/005—Sprayers or atomisers specially adapted for therapeutic purposes using ultrasonics
    • 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
    • A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
    • A61M15/0063—Storages for pre-packed dosages
    • 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
    • A61M15/0085—Inhalators using ultrasonics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
    • B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
    • B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
    • B05B17/0653—Details
    • B05B17/0669—Excitation frequencies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2472—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device comprising several containers

Definitions

  • the present invention relates to an aseptic misting device employing a permanent sonic generator and a replaceable liquid reservoir and nozzle.
  • Spray and/or misting devices are often used to delivery cosmetic and general health care liquids.
  • Low cost systems employ droppers and/or squeeze bottles with some form of nozzle through which the liquid is forced to provide a relatively uncontrolled dosage and droplet size.
  • Expensive systems may employ metering pumps and/or expensive aerosol forming components.
  • Hseih et al. U.S. Pat. No. 7,992,800 and Hseih et al. US Pub. Pat. Appn. No. 20120318260 disclose nebulizers driven by piezo-electric and/or magnetic drives to generate an aerosol mist.
  • Terada et al. U.S. Pat. No. 6,863,224; Yamamoto et al. U.S. Pat. No. 6,901,926, and Esaki et al. U.S. Pat. No. 8,286,629 disclose ultrasonic liquid atomizing devices.
  • ultrasonically atomizing a liquid through a sonic generator including a two-part, elongate sonic horn, wherein the distal end of the horn is disposable and has at least one submillimeter-sized nozzle disposed at the end thereof provides inexpensive aseptic atomization by separating the liquid contained in the reservoir from durable portions of the sonic generator.
  • a handheld misting device in one embodiment, includes a sonic generator, a power source coupled to the sonic generator, at least one reservoir containing a first liquid, and a conduit from the at least one reservoir.
  • the sonic generator includes a converter and an elongate horn comprising a first horn section coupled to the converter and a second horn section physically connected to and removable from the first horn section. Sonic energy delivered to the first horn section is conducted to the second horn section.
  • the conduit transports liquid from the at least one reservoir to the second horn section to a delivery opening distal the first horn section.
  • FIG. 1 is a perspective view of a handheld aseptic misting device according to one embodiment of the invention.
  • FIG. 2 is a cross-section of the handheld aseptic misting device of FIG. 1 .
  • FIG. 3 is a side plan view of the sonic generator and liquid delivery system of the embodiment of FIG. 1 .
  • FIG. 4 is a cross section of the liquid delivery section of the embodiment of FIG. 3 .
  • FIG. 5 is a cross section of the liquid delivery section of an alternative embodiment of the present invention.
  • the present invention relates to a handheld sonic misting device that is more economical than conventional sonic misting devices, because the relatively expensive sonic generator and horn are isolated from liquids dispensed by the misting device.
  • the horn is formed by physically coupling two sections together—a first section is permanently coupled to the sonic generator and a second, disposable section is operatively connected to a liquid reservoir and is removably coupleable to the first section.
  • the liquid to be dispensed is delivered from the second section at a location isolated from the first section, and the liquid dispensed from the device is directed away from the first section such that the first section is not contaminated by the liquid and subsequent liquids dispensed from the device are not contaminated by previously dispensed liquids. Examples of this system are shown below.
  • FIG. 1 One embodiment of a handheld aseptic misting device is shown in FIG. 1 .
  • the handheld misting device 100 (including a sonic generator 200 , a liquid delivery system 300 , and an electric power and control system 400 ) useful to form an aerosol comprising liquid droplets (referred to herein as a “mist” or “plume”) is contained within a housing 500 .
  • the sonic generator 200 includes a converter 202 and an elongate horn 204 having a first section 206 coupled to the converter 202 and a second section 208 physically connected to and removable from the first section 206 .
  • the second section 208 has a first end 210 for connection to the first section 206 and a second, distal end 212 , opposite the first end 210 .
  • the second section 208 includes a delivery opening 214 disposed at the distal end 212 , an inlet port 216 disposed between the first and distal ends 210 , 212 and a conduit 218 disposed within the second section 208 between the inlet port 216 and the delivery opening 214 .
  • the distal end 212 extends from the housing 500 .
  • the converter 202 is coupled to the electric power and control system 400 through electrical connections, such as wires.
  • the liquid delivery system 300 includes a reservoir 302 with an outlet port 304 and a conduit 306 , in this embodiment, the conduit 306 is an annular space constrained by a pair of o-rings 308 .
  • the liquid is gravity fed to the outlet port 304 .
  • the conduit 306 conducts liquid from the reservoir 302 to the inlet port 216 of the second section 208 of the elongate horn 204 . As indicated above, the liquid delivered to the inlet port 216 can then be dispensed to the atmosphere from the delivery opening 214 .
  • the size, shape, and arrangement of delivery opening(s) 214 define the plume of mist generated by the misting device 100 .
  • the delivery opening(s) 214 are dimensioned to delivery an aerosol mist.
  • each delivery opening has a maximum dimension (across the opening) of less than about 200 microns ( ⁇ m), more preferably, between about 50 and about 150 ⁇ m.
  • Preferred delivery openings are generally circular, but one of ordinary skill in the art may modify this to achieve specifically desired aerosol properties.
  • the number of delivery openings is selected to deliver a desired misting flow.
  • the housing 500 includes a first, electromechanical section 502 that houses components including the sonic generator 200 (including the first horn section 206 ) and the electric power and control system 400 , and a second, liquid section 504 that houses the reservoir 302 and the second horn section 208 .
  • the liquid section 504 can be securely attached to a reusable electromechanical section 502 .
  • the electric power and control system 400 includes a power source, such as a rechargeable battery 402 , that is electrically connected to an electrical charging port (not shown) disposed in the housing 500 .
  • the electric power and control system 400 also includes an on/off switch 404 , disposed on the housing 500 , and one or more control boards 406 .
  • the power source is preferably replaceable and/or rechargeable and may include devices such as a capacitor or, more preferably, a battery.
  • the power source 402 is a rechargeable battery including, without limitation, lithium-based cells, including lithium polymer batteries.
  • an internal power source is a lithium polymer cell providing a voltage of about 3.7 V that has a capacity of at least about 200 milliamp hours (mAh).
  • the sonic generator 200 and elongate horn 204 have a length A.
  • the sonic generator 200 and the first section 206 of the elongate horn 204 combine to a length of approximately 1 ⁇ 2 ⁇ , and the second section 208 also has a length of approximately 1 ⁇ 2 ⁇ .
  • the inlet port 216 of the second section 208 is located approximately at the midpoint of its length. Thus, the inlet port 216 of the second section 208 is approximately 1 ⁇ 4 ⁇ from the first end 210 that is connected to the first section 206 .
  • liquid delivery system 300 includes a reservoir 302 using a gravity liquid feed
  • a gravity liquid feed one of ordinary skill in the art will recognize that other systems may be used.
  • the liquid delivery may be enhanced by including a pump or a reservoir pressurization system to force the liquid into the conduit.
  • a pump or a reservoir pressurization system to force the liquid into the conduit.
  • one or more of the following may be used: pipette, syringe, collapsible reservoir, or squeezable bag.
  • FIG. 5 An alternative embodiment of the liquid delivery system 300 ′ employing an alternative second horn section 208 ′ is shown in cross section in FIG. 5 , and includes two separate reservoirs, 302 a and 302 b , each having an outlet port 304 a and 304 b in liquid communication with respective conduits 306 a and 306 b and second horn section conduits 218 a and 218 b to deliver the liquids to delivery openings 214 a and 214 b .
  • Each reservoir 302 a and 302 b may contain a separate liquid.
  • the system may then be used to deliver one or the other liquids, by controlling the delivery through the outlet ports 304 a and 304 b and ultimately the delivery openings 214 a and 214 b , as indicated by arrows 220 a and 220 b .
  • both liquids may be delivered simultaneously to the delivery openings 214 a and 214 b to form a mixing plume formed of both liquids.
  • the system can deliver liquids that must be separated during storage.
  • the liquids dispensed from the device 100 may be aqueous and may include therapeutic agents, reactants, proteins, and the like.
  • the two horn sections should interlock securely to minimize energy loss due to inefficient motion transfer therebetween to minimize heat buildup and to maximize control of the resulting aerosol plume.
  • the first horn section 206 is generally metallic, preferably aluminum and/or titanium
  • the second horn section 208 should be made of the same materials or, possibly of a compatible rigid plastic.
  • the second horn section 208 can be formed of metal or engineering plastic and machined or molded within appropriate tolerances to fit into the receptacle at the distal end of the elongate horn.
  • acetal resins such as available from DuPont® Engineering Polymers under the DELRIN® brand
  • polyether ether ketones such as available from DuPont® Engineering Polymers under the DELRIN® brand
  • PEI amorphous thermoplastic polyetherimide
  • the reservoir may be formed of less expensive and/or more easily handled materials, such as polyolefins, polyesters, polystyrenes, and the like.
  • the housing may be fabricated by plastic injection molding, or any other suitable technique, and it is preferably ergonomic and adapted to fit comfortably in a hand of a user.
  • the housing has a maximum linear dimension (length) of up to about 20 cm, more preferably, up to about 15 cm, and most preferably up to about 10 cm.
  • the maximum dimension perpendicular to the length is 8 cm, more preferably, 5 cm.
  • liquid section 504 is removable from the electromechanical section 502 in a manner in which the two horn sections interlock securely.
  • the present invention is useful in the delivery of aerosol plumes of medication and/or moisturizing solutions in a more sanitary manner than currently provided.
  • Sonic generation of aerosol plumes can provide very fine mists, having a droplet size between about 20 and about 60 ⁇ m, given by the practical range of frequencies for the ultrasonic horn between 20 kHz and 200 kHz.
  • a replaceable liquid section 502 can be slidably inserted into or threaded onto the electromechanical section 504 .
  • Any protective covering e.g., cap 506
  • Any protective covering can be removed from the delivery opening(s) 214 , and the misting device 100 can be energized.
  • the switch 404 is depressed, and the sonic generator 200 provides energy to the elongate horn 204 .
  • the liquid from the reservoir 302 is drawn into the conduit 306 and horn conduit 218 to deliver liquid to the delivery opening(s) 214 .
  • This sequence may be repeated until the reservoir is emptied.
  • the now-empty liquid section 504 can be removed and a new liquid section 504 , including a new second horn section 208 and delivery opening(s) 214 , is attached.
  • the new second horn section 208 and delivery opening(s) 214 are not contaminated as a result of the previous use of the misting device.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Special Spraying Apparatus (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Nozzles (AREA)
US15/337,365 2015-10-30 2016-10-28 Aseptic aerosol misting device Abandoned US20170128972A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/337,365 US20170128972A1 (en) 2015-10-30 2016-10-28 Aseptic aerosol misting device
US16/506,676 US11253885B2 (en) 2015-10-30 2019-07-09 Aseptic aerosol misting device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562248699P 2015-10-30 2015-10-30
US15/337,365 US20170128972A1 (en) 2015-10-30 2016-10-28 Aseptic aerosol misting device

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US (2) US20170128972A1 (he)
EP (1) EP3368112B1 (he)
JP (1) JP6812428B2 (he)
KR (1) KR102678412B1 (he)
CN (1) CN108348697B (he)
AU (1) AU2016344191B2 (he)
BR (1) BR112018008491B1 (he)
CA (1) CA3001884C (he)
DK (1) DK3368112T3 (he)
ES (1) ES2764679T3 (he)
IL (1) IL258634B (he)
MX (1) MX2018005335A (he)
RU (1) RU2728719C2 (he)
WO (1) WO2017075318A1 (he)
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11253885B2 (en) 2015-10-30 2022-02-22 Johnson & Johnson Consumer Inc. Aseptic aerosol misting device
US11571704B2 (en) 2015-10-30 2023-02-07 Johnson & Johnson Consumer Inc. Aseptic aerosol misting device
US11583885B2 (en) 2015-10-30 2023-02-21 Johnson & Johnson Consumer Inc. Unit dose aseptic aerosol misting device

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
US20210113783A1 (en) 2019-10-20 2021-04-22 Respira Technologies, Inc. Electronic devices and liquids for aerosolizing and inhaling therewith

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