A respiratory circuit inhalation apparatus is adapted to communicate a fluid stream between at least one air source and a patient and is formed with at least one central body portion defining an interior fluid stream communication passageway. An integrally formed dual function mouthpiece and effluen
A respiratory circuit inhalation apparatus is adapted to communicate a fluid stream between at least one air source and a patient and is formed with at least one central body portion defining an interior fluid stream communication passageway. An integrally formed dual function mouthpiece and effluent port projects from an end of the central body to communicate the fluid stream between the air source and a portion of the respiratory circuit that can lead to the patient or other components of the respiratory circuit. An integrally formed ambient fluid port is also formed as part of the inhalation apparatus that projects from the central body portion opposite to the dual function port. As with the other ports, the ambient fluid port also communicates the fluid stream between the interior fluid passageway and the at least one air source. The preferred inhalation apparatus also further includes a medication port that is formed about the central body portion and which includes a baffle or baffle portion that projects into and terminates within the interior fluid passageway. The terminus orifice and exit plane of the baffle preferably projects and terminates within the interior fluid passageway beyond the surface thereof so that liquids pooled within the passageway can be retained therein without draining into the medication port. Any or all of the various ports can be configured to be compatible for use with industry preferred respiratory circuit components and rigid and deformable 22 millimeter tubes.
대표청구항▼
We claim: 1. A respiratory circuit inhalation apparatus for communicating a fluid stream between at least one air source and a patient, comprising: a central body portion that defines an interior fluid passageway that communicates the fluid stream; a mouthpiece forming a mouthpiece opening and inte
We claim: 1. A respiratory circuit inhalation apparatus for communicating a fluid stream between at least one air source and a patient, comprising: a central body portion that defines an interior fluid passageway that communicates the fluid stream; a mouthpiece forming a mouthpiece opening and integrally formed with and projecting directly from an end of the central body and that communicates the fluid stream between a mouth of the patient and the at least one air source; an integrally formed ambient fluid port with and projecting from the central body portion substantially opposite to the mouthpiece to communicate the fluid stream between the interior fluid passageway and the at least one air source; and a medication port formed about the central body portion having a baffle portion projecting into, and fluidly open within, the interior fluid passageway to define a baffle upstream side facing the mouthpiece and a baffle downstream side facing the ambient fluid port; wherein the interior fluid passageway is fluidly open to an exterior of the apparatus only at the mouthpiece opening, the ambient fluid port and the medication port; and further wherein the central body includes a narcelles region forming the fluid passageway to have an expanding dimension in extension toward the mouthpiece relative to a plane perpendicular to a central axis of the baffle portion such that the narcelles region defines a first maximum perpendicular dimension at a location aligned with the baffle downstream side and a second maximum perpendicular dimension at a location aligned with the baffle upstream side, the second maximum perpendicular dimension being greater than the first maximum perpendicular dimension; and further wherein the inhalation apparatus maintains the second maximum perpendicular dimension in the plane perpendicular to the central axis from the location aligned with the baffle upstream side to the mouthpiece opening. 2. The respiratory circuit inhalation apparatus according to claim 1, wherein the mouthpiece is formed with a profile that substantially conforms to a preferred patient mouth profile. 3. The respiratory circuit inhalation apparatus according to claim 1, wherein the mouthpiece is formed with a profile that is defined to have a periphery adapted to telescopically receive a deformable ASTM-type 22 millimeter respiratory circuit tube. 4. The respiratory circuit inhalation apparatus according to claim 1, wherein the medication port is adapted to be telescopically connected to a medication dispenser selected from the group that includes a nebulizer, an aerosol dispenser, a medication source, and a metered dose inhaler. 5. The respiratory circuit inhalation apparatus according to claim 1, wherein the baffle portion is adapted with an exit orifice that projects into and terminates substantially centrally in the interior fluid passageway. 6. The respiratory circuit inhalation apparatus according to claim 1, wherein the baffle portion is adapted with an exit orifice that projects into and terminates in the interior fluid passageway a distance that is between approximately ⅓ and ½ of the average diameter of the interior fluid passageway. 7. The respiratory circuit inhalation apparatus according to claim 1, wherein the central body portion generally tapers in the direction of and to the mouthpiece, whereby an exit plane of the mouthpiece defines a cross-sectional area that is less than cross-sectional areas of respective exit planes of the ambient fluid and medication ports. 8. The respiratory circuit inhalation apparatus according to claim 7, wherein the central body portion has tapering nacelles. 9. The respiratory circuit inhalation apparatus according to claim 1, wherein the baffle portion projects through a floor of the central body and terminates at an end within the interior fluid passageway, the floor defined by an upstream side between the baffle portion and the mouthpiece and a downstream side between the baffle portion and the ambient fluid port, and further wherein a distance between the end of the baffle portion and the upstream side of the floor is less than a distance between the end of the baffle portion and the downstream side of the floor. 10. The respiratory circuit inhalation apparatus according to claim 1, wherein; the central body includes a tapered region spaced from the fluid port, the tapered region defining the interior fluid passageway to taper in a tapering dimension in extension toward the mouthpiece, the tapering dimension being parallel to the central axis. 11. The respiratory circuit inhalation apparatus according to claim 10, wherein the narcelles region is defined between the tapered region and the fluid port. 12. The respiratory circuit inhalation apparatus according to claim 10, wherein the tapering dimension is perpendicular to the expanding dimension. 13. The respiratory circuit inhalation apparatus according to claim 10, wherein the tapered region is entirely fluidly closed apart from the mouthpiece opening, a single opening formed by the ambient fluid port, and a single opening formed by the medication port. 14. The respiratory circuit inhalation apparatus according to claim 10, wherein expansion of the interior fluid passageway in the plane parallel to the central axis is symmetrical relative to a longitudinal central axis defined by the central body. 15. The respiratory circuit inhalation apparatus according to claim 1, wherein relative to a longitudinal cross-section, a floor of the apparatus is entirely uniformly linear from the baffle upstream side to the mouthpiece opening. 16. A respiratory circuit inhalation apparatus for communicating a fluid stream between at least one air source and a patient, comprising: a central body portion that communicates the fluid stream through an interiorly defined fluid passageway; an effluent piece integrally formed with and extending directly from an end of the central body and that communicates the fluid stream between the at least one air source and a portion of the respiratory circuit leading to the patient; an integrally formed ambient fluid port with and projecting from the central body portion substantially opposite to the effluent piece and that is adapted to communicate the fluid stream between the interior fluid passageway and the at least one air source; and a medication port formed about the central body portion and having a baffle portion projecting into the interior fluid passageway and that is adapted with a baffle exit orifice that terminates in the interior fluid passageway, wherein relative to a longitudinal cross-section, a gap is established between the baffle exit orifice and an interior surface of the central body portion opposite the baffle exit orifice that is between approximately ⅔ and ½ of the average diameter of the interior fluid passageway; wherein the interior fluid passageway generally tapers about the central body portion in the direction of and to the effluent piece and generally expands laterally out towards the sides of the central body portion at the baffle exit orifice as it extends to and forms part of the effluent piece. 17. The respiratory circuit inhalation apparatus according to claim 16, wherein the effluent piece is formed with a profile that substantially conforms to a preferred patient mouth profile and a predetermined ASTM-type profile of a deformable respiratory circuit tube. 18. The respiratory circuit inhalation apparatus according to claim 16, wherein the effluent piece is formed with a profile that is defined to have a periphery adapted to telescopically receive a deformable ASTM-type 22 millimeter respiratory circuit tube. 19. The respiratory circuit inhalation apparatus according to claim 9, wherein the medication port is adapted to be telescopically connected to a medication dispenser selected from the group that includes a nebulizer, an aerosol dispenser, a medication source, and a metered dose inhaler. 20. The respiratory circuit inhalation apparatus according to claim 16, wherein the exit orifice terminates substantially centrally in the interior fluid passageway. 21. The respiratory circuit inhalation apparatus according to claim 16, whereby an exit plane of the effluent piece defines a cross-sectional area that is less than the cross-sectional areas of respective exit planes of the ambient fluid and medication ports. 22. A respiratory circuit inhalation apparatus for communicating a fluid stream between at least one air source and a patient, comprising: a central body portion that defines an interior fluid passageway to communicate the fluid stream; a dual function port integrally formed with and extending directly from an end of the central body to communicate the fluid stream between the at least one air source and a portion of the respiratory circuit leading to the patient; an integrally formed ambient fluid port with and projecting from the central body portion substantially opposite to the dual function port and being adapted to communicate the fluid stream between the interior fluid passageway and the at least one air source; and a medication port formed about the central body portion and having a baffle portion projecting into the interior fluid passageway and terminating at a baffle exit orifice beyond the surface of the passageway, wherein relative to a longitudinal cross-section, an entirety of the baffle portion is linear; wherein the central body portion generally tapers in the direction of and to the dual function port and expands along the longitudinal cross-section in a region aligned with the baffle portion, wherein the central body portion has nacelles tapering in a direction opposite the dual function port. 23. The respiratory circuit inhalation apparatus according to claim 22, wherein the dual function port is formed with a profile that substantially conforms to a preferred patient mouth profile and a predetermined ASTM-type profile of a deformable respiratory circuit tube. 24. The respiratory circuit inhalation apparatus according to claim 22, wherein the dual function port is formed with a profile that is defined to have a periphery adapted to telescopically receive a deformable ASTM-type 22 millimeter respiratory circuit tube. 25. The respiratory circuit inhalation apparatus according to claim 22, wherein the medication port is adapted to be telescopically connected to medication dispenser selected from the group that includes a nebulizer, an aerosol dispenser, a medication source, and a metered dose inhaler. 26. The respiratory circuit inhalation apparatus according to claim 22, wherein the baffle portion is adapted with an exit orifice that projects into and terminates substantially centrally in the interior fluid passageway. 27. The respiratory circuit inhalation apparatus according to claim 22, wherein the baffle portion is adapted with an exit orifice that projects into and terminates in the interior fluid passageway a distance that is between approximately ⅓ and ½ of the average diameter of the interior fluid passageway. 28. The respiratory circuit inhalation apparatus according to claim 22, wherein the interior fluid passageway generally tapers about the central body portion in the direction of and to the dual function port, whereby an exit plane of the dual function port defines a cross-sectional area that is less than the sum of the cross-sectional areas of respective exit planes of the ambient fluid and medication ports.
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