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Claims for Patent: 8,021,344

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Claims for Patent: 8,021,344

Title:Medicament delivery device configured to produce an audible output
Abstract: Medicament delivery devices are described herein. In some embodiments, an apparatus includes a medicament delivery device and an electronic circuit system. The medicament delivery device includes a housing, a medicament container, and a medicament delivery member. The electronic circuit system is coupled to the housing and includes an audible output device and a cover. The housing of the medicament delivery device and the cover of the electronic circuit system collectively define an acoustic enclosure. The audible output device is configured to be disposed within the acoustic enclosure.
Inventor(s): Edwards; Eric S. (Midlothian, VA), Edwards; Evan T. (Gordonsville, VA), Licata; Mark J. (Doswell, VA), Meyers; Paul F. (Fishers, IN), Weinzierl; David A. (Andover, MN)
Assignee: Intelliject, Inc. (Richmond, VA)
Application Number:12/180,708
Patent Claims: 1. An apparatus, comprising: a medicament delivery device including a housing, a medicament container, and a medicament delivery member, the medicament container disposed within the housing, at least a portion of the medicament delivery member disposed within the housing; and an electronic circuit system coupled to the housing, the electronic circuit system including an audible output device and a cover, a first portion of the audible output device configured to produce a first plurality of sound waves, a second portion of the audible output device configured to produce a second plurality of sound waves having a phase difference with the first plurality of sound waves, the housing and the cover collectively defining an acoustic enclosure, at least one of the housing or the cover defining a first opening, at least one of the housing or the cover defining a second opening, the audible output device configured to be disposed within the acoustic enclosure such that the first plurality of sound waves travels from the first portion of the audible output device to a region outside of the housing via the first opening and the second plurality of sound waves travels from the second portion of the audible output device to the region outside of the housing via the second opening, the second opening spaced apart from the first opening such that the phase difference between the first plurality of sound waves and the second plurality of sound waves is shifted when the first plurality of sound waves exits the first opening and the second plurality of sound waves exits the second opening.

2. The apparatus of claim 1, wherein the housing defines an internal space, the internal space of the housing including the medicament container and the portion of the medicament delivery member, the internal space of the housing being at least partially isolated from the acoustic enclosure.

3. The apparatus of claim 1, wherein: the second opening is spaced apart from the first opening such that the first plurality of sound waves is substantially in phase with the second plurality of sound waves when the first plurality of sound waves exits the first opening and the second plurality of sound waves exits the second opening.

4. The apparatus of claim 1, wherein the acoustic enclosure defines at least one acoustic resonant frequency within the acoustic frequency range of the audible output device.

5. The apparatus of claim 1, wherein the audible output device is a speaker configured to output an audible output having a sound pressure level greater than about 61 decibels.

6. The apparatus of claim 1, wherein the audible output device is a speaker configured to output an audible output having a sound pressure level greater than about 61 decibels at a distance of about 6 inches from the speaker.

7. The apparatus of claim 1, wherein the audible output device is a speaker configured to output an audible output having a sound pressure level greater than about 61 decibels within a distance of about 20 feet from the speaker.

8. The apparatus of claim 1, wherein: the electronic circuit system is configured to output to the audible output device an electronic signal having a power of less than 100 milliwatts; and the audible output device is configured to output a recorded speech output in response to the electronic signal, the recorded speech output having a sound pressure level greater than about 61 decibels.

9. The apparatus of claim 1, wherein the audible output device is a speaker, the housing includes a spacer configured to be disposed adjacent the speaker such that a front portion of the speaker is in contact with a portion of the cover.

10. The apparatus of claim 1, wherein at least a portion of the housing that defines the acoustic enclosure includes a flexible wall.

11. An apparatus, comprising: a medicament delivery device including a housing and a medicament container, the medicament container disposed within the housing; and an electronic circuit system coupled to the housing, the electronic circuit system including a speaker and a cover, the speaker includes a front portion and a back portion, the front portion of the speaker configured to output a first audible output including a first plurality of sound waves, the back portion of the speaker configured to output a second audible output including a second plurality of sound waves, the cover defining a first exit path through which the first plurality of sound waves is configured to travel from the front portion of the speaker to a region outside of the housing, the housing defining at least a portion of a second exit path through which the second plurality of sound waves is configured to travel from the back portion of the speaker to the region outside of the housing, a length of the first exit path different from a length of the second exit path such that the first plurality of sound waves is substantially in phase with the second plurality of sound waves when the first plurality of sound waves exits the first exit path and the second plurality of sound waves exits the second exit path.

12. The apparatus of claim 11, wherein the length of the first exit path is less than the length of the second exit path.

13. The apparatus of claim 11, wherein: the cover defines a first opening through which the first plurality of sound waves is configured to travel; and the housing defines a second opening through which the second plurality of sound waves is configured to travel, the first opening spaced apart from the second opening by a distance of between about 2.5 inches and about 3 inches.

14. The apparatus of claim 13, wherein the second opening is configured to be selectively covered by a moveable member of the medicament delivery device.

15. The apparatus of claim 13, wherein the second opening is configured to be selectively covered by a moveable member of the medicament delivery device, the moveable member being at least one of a sleeve, a safety lock, or a needle guard.

16. The apparatus of claim 11, wherein the medicament delivery device includes a member movably coupled to the housing, the member configured to prevent the medicament delivery device from delivering a medicament when in a first position, a portion of the member disposed within the second exit path when in the first position.

17. The apparatus of claim 1, wherein the medicament container includes epinephrine.

18. An apparatus, comprising: a medicament delivery device including a housing and a medicament container, the medicament container disposed within the housing; and an electronic circuit system including a speaker and a cover, the speaker including a diaphragm, a front portion of the diaphragm configured to produce a first plurality of sound waves, a back portion of the diaphragm configured to produce a second plurality of sound waves, the cover configured to be coupled to the housing such that the cover and the housing collectively define an acoustic enclosure, the cover defining a first opening, the housing defining a second opening in fluid communication with the acoustic enclosure, the speaker coupled to the cover such that the first plurality of sound waves exits the first opening and the second plurality of sound waves exits the second opening, the acoustic enclosure configured such that the first plurality of sound waves is substantially in phase with the second plurality of sound waves when the first plurality of sound waves exits the first opening and the second plurality of sound waves exits the second opening.

19. The apparatus of claim 18, wherein the medicament delivery device includes: an actuator configured to be moved relative to the housing to initiate movement of the medicament container within the housing; and a movable member removably coupled to the housing, the movable member configured to limit movement of the actuator when coupled to the housing, a portion of the movable member configured to be disposed within the second opening when the movable member is coupled to the housing.

20. The apparatus of claim 18, wherein the electronic circuit system includes an audio processor configured to output an electronic signal associated with recorded speech to the speaker via an electronic path devoid of a signal amplifier.

21. The apparatus of claim 18, wherein the medicament container includes epinephrine.

22. The apparatus of claim 1, wherein: the cover defines at least a portion of a first exit path within which the first plurality of sound waves travels from the first portion of the audible output device to a region outside of the housing; the housing defines at least a portion of a second exit path within which the second plurality of sound waves travels from the second portion of the audible output device to the region outside of the housing, a length of the first exit path different from a length of the second exit path.

23. The apparatus of claim 11, wherein the cover and the housing collectively define an acoustic enclosure defining at least one acoustic resonant frequency within an acoustic frequency range of the audible output device.

24. The apparatus of claim 11, wherein the second exit path is substantially devoid of a structure.

25. The apparatus of claim 18, wherein: the cover defines a first exit path within which the first plurality of sound waves travels, the first exit path including at least the first opening; and the housing defines a second exit path within which the second plurality of sound waves travels, the second exit path including a portion of the acoustic enclosure, a length of the first exit path different from a length of the second exit path.
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