WO1996022119A1 - Metered dose medication adaptor with improved incentive spirometer - Google Patents

Metered dose medication adaptor with improved incentive spirometer Download PDF

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Publication number
WO1996022119A1
WO1996022119A1 PCT/US1995/015717 US9515717W WO9622119A1 WO 1996022119 A1 WO1996022119 A1 WO 1996022119A1 US 9515717 W US9515717 W US 9515717W WO 9622119 A1 WO9622119 A1 WO 9622119A1
Authority
WO
WIPO (PCT)
Prior art keywords
control device
flow control
tube
inspiratory flow
adaptor
Prior art date
Application number
PCT/US1995/015717
Other languages
French (fr)
Inventor
Paul Dwork
Original Assignee
Ballard Medical Products
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 Ballard Medical Products filed Critical Ballard Medical Products
Priority to CA002210721A priority Critical patent/CA2210721C/en
Priority to EP95942542A priority patent/EP0956064A4/en
Priority to AU43735/96A priority patent/AU4373596A/en
Publication of WO1996022119A1 publication Critical patent/WO1996022119A1/en

Links

Classifications

    • 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
    • A61M15/0086—Inhalation chambers
    • 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
    • A61M15/0003—Details of inhalators; Constructional features thereof with means for dispensing more than one drug
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • A61B5/0875—Measuring breath flow using means carried by the fluid stream, e.g. free floating balls
    • 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
    • A61M15/009—Inhalators using medicine packages with incorporated spraying means, e.g. aerosol cans
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm
    • A61M2205/183—General characteristics of the apparatus with alarm the sound being generated pneumatically
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/43—General characteristics of the apparatus making noise when used correctly
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/18—Exercising apparatus specially adapted for particular parts of the body for improving respiratory function

Definitions

  • the improved incentive spirometer (Inspiratory Flow Control Device) is easily held, even by a child.
  • the rising ball (#1) provides visual
  • the subject would exhale then inhale through the mouthpiece (#3), counting the
  • the subject puts the medication canister (#11 ) into the specially designed port (#12)
  • Metered dose medication adaptor port (#12) accepts most MDI canisters
  • Inspiratory Flow Control Device may be used for inspiratory and expiratory exercise. Inhalation exercise is done with the unit upright. Turning the Inspiratory Flow Control
  • the Inspiratory Flow Control Device When used in conjunction with MDI therapy, at the point the subject would normally exhale, after actuation, the Inspiratory Flow Control Device is turned over and exhaled into.
  • the metered dose medication adaptor can also be equipped with a whistle in place of the improved incentive spirometer (Inspiratory Flow Control Device), or a variety of additional devices.
  • the Inspiratory Flow Control Device could be equipped or mounted on a y-shaped connector for use with a pair of incentive spirometers or multiple metered inhaler devices.
  • Another alternative is to connect a spiraling dispensing chamber to the metered dose medication adaptor for circulating the medication to improve vaporization before inhalation.
  • the unique construction of the metered dose medication adaptor also provides for other applications.
  • a variety of constructions for the dispensing jet are available to improve the vaporization of medication and allow different angles of delivery. Variations in delivery angle can be effective in producing a finer mist by impacting vapor on the
  • the metered dose medication adaptor can be cascaded for use with multiple metered dose inhalers
  • the metered dose medication adaptor permits a wide range and variety of uses for metered dose inhalers

Abstract

This invention is an adaptor and incentive spirometer for delivering medication to patients from metered dose inhaler (MDI) canisters (17), providing inspiratory resistance and controlled flow rate for more efficient delivery of medication to the lungs. The improved apparatus is comprised of a unique universal adaptor (14) and has an inlet configured to receive a variety of incentive devices (10), an outlet to connect a mouthpiece (15) and a socket (44) for receiving a metered dose medication canister (17). The socket is constructed to accept a wide variety of MDI spray tips and includes a nozzle spray tip (58) to provide optimum misting. The inlet of the universal adaptor is constructed to improve medication penetration.

Description

TITLE: METERED DOSE MEDICATION ADAPTOR WITH IMPROVED INCENTIVE SPIROMETER
DESCRIPTION
INTRODUCTION
When fully assembled, the improved incentive spirometer (Inspiratory Flow Control Device) is easily held, even by a child. The rising ball (#1) provides visual
reinforcement. A distinctive, and quite audible, "click" is made when the ball reaches the top of the large tube (#2) to aid the visually impaired.
CONCEPT
When you inhale through the mouthpiece (#3), the air goes through the large and
small tubes (#2 & #4), past a series of apertures in the top and bottom (#5 & #6), causing the weighted ball (#1 ) to rise. The apertures (#5 & #6) control cc/second airflow. (See also, Apertures, infra.) Thus, when you inhale, you are doing so under resistance. This resistance creates an airstream which travels directly to the lungs.
If you turn the improved incentive spirometer (Inspiratory Flow Control Device) over, and exhale into the mouthpiece (#3), you create an expiratory air flow, which can also be measured.
APERTURES
There are four settings for air flow (#7). These air flow rates are regulated by a dial (#8) and apertures at the top of the improved incentive spirometer (Inspiratory Flow Control Device) (#5), and apertures in the bottom (#6). Detent in the aperture dial guarantees precise setting. MDI THERAPY
When used in conjunction with the metered dose medication adaptor (#9), a
medication delivery system for MDI therapy is achieved
The subject would exhale then inhale through the mouthpiece (#3), counting the
number of seconds the ball (#1 ) is held at the top of the tube (#10) This establishes the amount of time the subject has to actuate the medication
The subject puts the medication canister (#11 ) into the specially designed port (#12)
in the metered dose medication adaptor Subject then inhales, bringing the ball (#1 ) to
the top of the tube (#10), actuates the medication (#11 ), and continues to hold the ball (#1 ) aloft as long as possible There is no necessity to coordinate inhalation with
actuation (See also, Inspiratory & Expiratory Exercise, infra )
RESULT The medication is picked up by the airstream and carried to the lungs
Metered dose medication adaptor port (#12) accepts most MDI canisters
NEBULIZATION THERAPY
Improved incentive spirometer (Inspiratory Flow Control Device) can be hooked up
to a " adaptor that comes with a nebu zation bowl There now is a closed system with no expulsion of medication into the air through what would otherwise be the open end of the "T adaptor This results in greater propulsion of the medication coming out the
only available opening - the mouthpiece (#3)
RESULT When the subject inhales with the nebulizer hooked up to improved incentive spirometer (Inspiratory Flow Control Device), the resistance created by
improved incentive spirometer (Inspiratory Flow Control Device) provides for delivery
of medication under prescribed resistance INSPIRATORY & EXPIRATORY EXERCISE
Inspiratory Flow Control Device may be used for inspiratory and expiratory exercise. Inhalation exercise is done with the unit upright. Turning the Inspiratory Flow Control
Device upside down and blowing into it creates exhalation exercise.
When used in conjunction with MDI therapy, at the point the subject would normally exhale, after actuation, the Inspiratory Flow Control Device is turned over and exhaled into.
RESULT. Controlled inhalation and exhalation under resistance.
OTHER USES
The metered dose medication adaptor can also be equipped with a whistle in place of the improved incentive spirometer (Inspiratory Flow Control Device), or a variety of additional devices. The Inspiratory Flow Control Device could be equipped or mounted on a y-shaped connector for use with a pair of incentive spirometers or multiple metered inhaler devices. Another alternative is to connect a spiraling dispensing chamber to the metered dose medication adaptor for circulating the medication to improve vaporization before inhalation.
The unique construction of the metered dose medication adaptor also provides for other applications. A variety of constructions for the dispensing jet are available to improve the vaporization of medication and allow different angles of delivery. Variations in delivery angle can be effective in producing a finer mist by impacting vapor on the
walls of the tube to reduce particle size. New medications under development can benefit from this ability to vary and improve particle size. Additionally, the metered dose medication adaptor can be cascaded for use with multiple metered dose inhalers The metered dose medication adaptor permits a wide range and variety of uses for metered dose inhalers
CONCLUSION Improved incentive spirometer (Inspiratory Flow Control Device) is an elegantly simple device that performs at a complex level, employing a completely new concept We believe all of the above mentioned factors may result in improved patient compliance, efficient and effective delivery of expensive medication, reduced incidents of emergency doctor/hospital visits, more and better home care, less staff time for monitoring and training
PARTS
No Item
1 Weighted ball
2 Large tube
3 Mouthpiece
4 Small tube
5 Top apertures
6 Bottom apertures
7 Calibration markings (not shown)
Figure imgf000006_0001
θ Actuator Device
10 Top of tube
11 Medication canister
12 Port in Actuator Device

Claims

1. An Inspiratory Flow Control Device in which said incentive spirometer comprises; first and second tubes; a bottom cap constructed to receive a lower end of said first and second tubes; a top cap constructed to receive and connect an upper end of said first and second tubes; a regulating ball in said first tube; a cylindrical pedestal in said bottom cap to hold said regulating ball spaced from the bottom end of said first tube, the diameter of said pedestal being substantially smaller than the diameter of said first tube; an outlet in said bottom cap communicating with said second tube for connecting a mouthpiece; air inlet means in the bottom cap in communication with said first tube; whereby air drawn through said outlet causes air to be drawn through said inlet in said first tube to raise said ball in said first tube so that said ball indicates the volume of air being inspired.
2. An Inspiratory Flow Control Device in which the selectably variable resistance means comprises; a plurality of holes in said top cap; a rotatable disc mounted on said top cap; said rotatable disc having an arcuate slot for selective registration with said plurality of holes; whereby rotation of said disc increases or decreases the maximum volume of airflow in said incentive spirometer.
3. An Inspiratory Flow Control Device in which said selectably variable resistance means includes incremental means for varying airflow volume in selected incremental amounts.
4. An Inspiratory Flow Control Device in which said incremental means comprises; an arcuate channel in said top cap; a plurality of spaced apart detents in said arcuate channel; and a pin on said rotatable disc engaging said arcuate channel; whereby rotation of said rotatable disc moves said pin from one detent to another to provide a positive indication of an incremental adjustment in airflow volume
5 An Inspiratory Flow Control Device in which said selectably variable
resistance means comprises, a plurality of hole in said top cap, a rotatable disc mounted on said top cap, said rotatable disc having an arcuate slot for selective registration with
said plurality of holes, whereby rotation of said disc increases or decreases the
maximum volume of airflow in said incentive spirometer
6 An Inspiratory Flow Control Device in which said selectably variable resistance means includes incremental means for varying airflow volume in selected
incremental amounts
7 An Inspiratory Flow Control Device in which said incremental means
comprises, an arcuate channel in said top cap, a plurality of spaced apart detents in said arcuate channel, and a pin on said rotatable disc engaging said arcuate channel,
whereby rotation of said rotatable disc moves said pin from one detent to another to
provide a positive indication of an incremental adjustment in airflow volume
8 An Inspiratory Flow Control Device for controlling inspiratory airflow under resistance for inhalation therapy comprising
a first universal adaptor having means for receiving an MDI canister
having a spray tip, said first universal adaptor having a first end and a second end and
an axis connecting said ends, a tapered mouthpiece connectable to said first end of said first universal
adaptor, said tapered mouthpiece providing means for accelerating a flow of air passing
through said first universal adaptor and into the mouth of a user, an incentive spirometer means connectable to said second end of said first universal adaptor, said incentive spirometer means for indicating a user's inhalation flow
rate and for indicating the optimal inhaled volume for activation of an MDI canister; said
incentive spirometer further comprising selectably variable resistance means for regulating inspiratory airflow.
9. The Inspiratory Flow Control Device wherein said first universal adapter further comprises a whistle.
10. The Inspiratory Flow Control Device wherein said first universal adaptor
further comprises a tapered passageway means for accepting a variety of MDI canister nozzles.
11. The Inspiratory Flow Control Device wherein said first universal adaptor
further comprises a nozzle jet.
12. The Inspiratory Flow Control Device wherein said nozzle jet is angled with
respect to said axis of said first universal adaptor.
13. The Inspiratory Flow Control Device further comprising a second universal
adaptor and receiving a second MDI canister and spray stem, and having a first end and a second end; said second end of said second universal adaptor connectable to said first end of said first universal adaptor, and said first end of said second universal
adaptor connectable to said mouthpiece.
14. The Inspiratory Flow Control Device wherein one or more additional
universal adaptors are selectably connectable in end-to-end fashion between said first
and second universal adaptors. 15 An improved inspiratory and expiratory breathing exerciser comprising
a pair of incentive spirometers, each said incentive spirometer comprising first and second tubes, a bottom cap constructed to receive a lower end of said first and
second tubes, a top cap constructed to receive and connect an upper end of said first
and second tubes, a regulating ball in said first tube, an outlet in said bottom cap
communicated with said second tube for connecting a respiratory flow, air inlets in the
bottom cap in communication with said first tube, and selectably variable means for regulating respiratory airflow, whereby air drawn through said outlet causes air passed
through said inlet in said first tube to move said ball in said first tube so that said ball
indicates the volume of air passing through the spirometer, a first of said pair of incentive spirometers being oriented right side up, a
second of said pair of incentive spirometers being oriented upside down,
a y-shaped adaptor having an inlet/outlet for connecting a mouthpiece, an
inlet connected to said first incentive spirometer and an outlet connected to said second incentive spirometer,
whereby said breathing exerciser meters inhaled and exhaled air when
said outlets in said bottom caps of said incentive spirometers are subject to respiratory
flow through said y-shaped adaptor
16 An improved breathing exerciser wherein each of said selectably variable
resistance means further comprises a plurality of holes in said top cap, a rotatable disc
mounted on said top cap, said rotatable disc having an arcuate slot for selective
registration with said plurality of holes, whereby rotation of said disc increases or decreases the maximum airflow in said incentive spirometers 17. An improved breathing exerciser wherein each of said selectably variable
resistance means further comprises a pin on said rotatable disc engaging said arcuate slot.
PCT/US1995/015717 1995-01-18 1995-12-01 Metered dose medication adaptor with improved incentive spirometer WO1996022119A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002210721A CA2210721C (en) 1995-01-18 1995-12-01 Metered dose medication adaptor with improved incentive spirometer
EP95942542A EP0956064A4 (en) 1995-01-18 1995-12-01 Metered dose medication adaptor with improved incentive spirometer
AU43735/96A AU4373596A (en) 1995-01-18 1995-12-01 Metered dose medication adaptor with improved incentive spirometer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/375,157 US5522380A (en) 1995-01-18 1995-01-18 Metered dose medication adaptor with improved incentive spirometer
US08/375,157 1995-01-18

Publications (1)

Publication Number Publication Date
WO1996022119A1 true WO1996022119A1 (en) 1996-07-25

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Country Status (4)

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US (1) US5522380A (en)
EP (1) EP0956064A4 (en)
AU (1) AU4373596A (en)
WO (1) WO1996022119A1 (en)

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EP0956064A1 (en) 1999-11-17
US5522380A (en) 1996-06-04
AU4373596A (en) 1996-08-07

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