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An apparatus including a tubular channel having a pathway extending between a proximal end and a distal end of the tubular channel. The proximal end is configured to connect directly or indirectly to an end tidal CO2 monitor. The distal end has an opening. The apparatus further includes a detection

An apparatus including a tubular channel having a pathway extending between a proximal end and a distal end of the tubular channel. The proximal end is configured to connect directly or indirectly to an end tidal CO2 monitor. The distal end has an opening. The apparatus further includes a detection member including a chamber disposed in fluid communication with the pathway of the tubular channel such that gas entering the tubular channel via the opening on the distal end passes into the chamber. A detection element is disposed within the chamber and includes a component that is sensitive to one or more systemic biomarkers such that, upon exposure to a predetermined concentration level of the one or more systemic biomarkers contained in the gas, a state of the detection element experiences a permanent alteration and the detection member indicates that the predetermined concentration level of the one or more systemic biomarkers is present in the gas.

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1. An apparatus, comprising: a tubular channel having a pathway extending between a proximal end and a distal end of the tubular channel, the proximal end being configured to connect directly or indirectly to an end tidal CO2 monitor, and the distal end having an opening;a detection member including

1. An apparatus, comprising: a tubular channel having a pathway extending between a proximal end and a distal end of the tubular channel, the proximal end being configured to connect directly or indirectly to an end tidal CO2 monitor, and the distal end having an opening;a detection member including: a chamber disposed in fluid communication with the pathway of the tubular channel such that gas entering the tubular channel via the opening on the distal end passes into the chamber, anda detection element disposed within the chamber, the detection element including a component that is sensitive to one or more systemic biomarkers such that, upon exposure to a predetermined concentration level of the one or more systemic biomarkers contained in the gas, a state of the detection element experiences a permanent alteration as an indication that the predetermined concentration level of the one or more systemic biomarkers is present in the gas;a cannula channel that extends from a side of the detection member in a direction transverse to the pathway of the tubular channel, the cannula channel being configured to allow a nasal cannula to be inserted laterally therein such that the nasal cannula extends in a same direction as the pathway of the tubular channel; anda movable obstruction element that, in a first position, permits insertion of the nasal cannula into the cannula channel, and when moved from the first position into a second position, impedes removal of the nasal cannula without pinching the nasal cannula when the nasal cannula is inserted in the cannula channel,wherein the cannula channel includes a slot having a width as wide as a diameter of the nasal cannula and a thickness as thick as the detection member, the slot extending longitudinally from an outer wall of the detection member toward the chamber and curving to extend away from the chamber before terminating within the outer wall of the detection member,wherein the detection member further includes a protrusion on a side thereof, the protrusion extending around the tubular channel and having a threaded external surface,wherein the obstruction element is a cylindrical collar having threads on an internal surface, a first side of the collar having a hole therein through which the first end of the tubular channel extends, and a second side of the collar facing the detection member,wherein, in the first position, the collar is disconnected from the detection member and the nasal cannula is insertable into the slot, andwherein, in the second position, the collar is connected to the detection member, via engagement between the threads on the internal surface of the collar and the threaded external surface of the protrusion on the side of the detection member, and the nasal cannula is fixed in place via pressure between a sidewall of the slot and an exterior side wall of the collar. 2. The apparatus according to claim 1, wherein the chamber is defined by at least a first wall, a second wall facing the first wall, and an adjoining wall that continuously adjoins the first and second walls, thereby forming the chamber, and wherein the detection element is disposed between the first and second walls. 3. The apparatus according to claim 1, wherein the alteration of the state of the detection element includes a permanent physical appearance alteration. 4. The apparatus according to claim 3, wherein the physical appearance alteration includes a change in color of the detection element. 5. The apparatus according to claim 3, wherein the physical appearance alteration includes a disintegration of at least a portion of the detection element. 6. The apparatus according to claim 1, wherein the detection member further includes an electronic component, and wherein the alteration of the state of the detection element triggers an auditory notification from the electronic component. 7. The apparatus according to claim 1, wherein the alteration of the state of the detection element includes an odor-producing alteration, such that, upon sensing the predetermined concentration level of the one or more systemic biomarkers, the detection element triggers a release of an odor. 8. The apparatus according to claim 1, wherein a tip of the distal end includes a tapered flange that increases in taper from the tip toward the proximal end. 9. The apparatus according to claim 1, wherein a direction of extension, a peripheral shape of the tubular channel, or both are adjustable. 10. The apparatus according to claim 1, wherein a wall of the tubular channel includes a manipulable member extending in the wall. 11. An apparatus, comprising: a tube having a first end and a second end, the tube including: a first lumen that is open at the first end, anda second lumen having a manipulable member therein;a detection unit that attaches to the second end of the tube, the detection unit including: a chamber disposed in fluid communication with the first lumen of the tube, anda biomarker-reactive element disposed within the chamber, the biomarker-reactive element including a component such that, upon exposure to a gas having a threshold concentration level of a pre-determined biomarker, a state of the biomarker-reactive element permanently changes as an indication that the threshold concentration level of the pre-determined biomarker is present in the gas;a cannula channel that extends from a side of the detection unit in a direction transverse to the pathway of the tubular channel, the cannula channel being configured to allow a nasal cannula to be inserted laterally therein; anda movable obstruction element that, in a first position, permits insertion of the nasal cannula into the cannula channel, and when moved from the first position into a second position, impedes removal of the nasal cannula without pinching the nasal cannula when the nasal cannula is inserted in the cannula channel,wherein the cannula channel includes a slot having a width as wide as a diameter of the nasal cannula and a thickness as thick as the detection unit, and the slot extending longitudinally from an outer wall of the detection unit toward the chamber and curving to extend away from the chamber before terminating within the wall,wherein the detection unit further includes a protrusion on a side thereof, the protrusion extending around the tube and having a threaded external surface,wherein the obstruction element is a cylindrical collar having threads on an internal surface, a first side of the collar having a hole therein through which the first end of the tube extends, and a second side of the collar facing the detection unit,wherein, in the first position, the collar is disconnected from the detection unit and the nasal cannula is insertable into the slot, andwherein, in the second position, the collar is connected to the detection unit, via engagement between the threads on the internal surface of the collar and the threaded external surface of the protrusion on the side of the detection unit, and the nasal cannula is fixed in place via pressure between a sidewall of the slot and an exterior side wall of the collar. 12. The apparatus according to claim 11, wherein a cross-section profile of an exterior frame of the detection unit is generally disc-shaped, wherein the protrusion of the detection unit is a first cylindrical protrusion, and the detection unit further includes a second cylindrical protrusion, the first and second cylindrical protrusions extending, respectively from opposite sides of the disc-shaped frame, andwherein the hole extends through each of the first and second cylindrical protrusions and a center portion of the detection unit such that the hole leads into and out of the chamber. 13. The apparatus according to claim 12, wherein an exterior surface of the respective first and second cylindrical protrusions includes helical threads thereon, wherein the obstruction element is a first cylindrical collar,wherein the apparatus further comprises a second cylindrical collar, andwherein each of the first collar and the second collar have an internally threaded surface that is engageable with the helical threads of the exterior surface of the first and second cylindrical protrusions, respectively, the first collar surrounding the tube so as to engage the first cylindrical protrusion of the detection unit, and the second collar being engageable with the second cylindrical protrusion so as to secure a sample tube, which is connected to an end tidal CO2 monitor, to the detection unit. 14. The apparatus according to Claim 13, wherein, when viewed from a perspective of the disc-shaped cross-section profile of the detection unit, the biomarker -reactive element is positioned within at least a portion of a first half of the disc-shaped detection unit, and wherein a second half of the disc-shaped cross-section profile includes the cannula channel including a slot extending into a center portion thereof, the slot branching into one or more slot branches that extend transverse to a direction of extension of the slot, and a width of the slot and slot branches accommodating a diameter of the nasal cannula. 15. The apparatus according to claim 14, wherein the one or more slot branches extend back toward an outer perimeter of the exterior frame of the detection unit, and wherein a size of an outer diameter of the first collar is such that, when the first collar is engaged with the first protrusion and the nasal cannula is inserted into a slot branch, an outer surface of the first collar contacts a surface of the nasal cannula and blocks the slot branch so that the nasal cannula cannot be removed. 16. The apparatus according to claim 11, wherein the first end of the tube includes a flange on a tip thereof, the flange being tapered so as to be a same width as a width of the tube at the tip and tapering out to be larger than the width of the tube toward the detection unit. 17. The apparatus according to claim 11, wherein, upon exposure to the threshold concentration level of a predetermined biomarker, the biomarker-reactive element changes color, triggers an auditory notification, or emits an odor. 18. An apparatus, comprising: a tube having a first end and a second end, the tube including: a first lumen that is open at the first end, anda second lumen having a manipulable member therein;a detection unit that attaches to the second end of the tube, the detection unit including: a chamber disposed in fluid communication with the first lumen of the tube, anda biomarker-reactive element disposed within the chamber, the biomarker-reactive element including a component such that, upon exposure to a gas having a threshold concentration level of a pre-determined biomarker, a state of the biomarker-reactive element permanently changes as an indication that the threshold concentration level of the pre-determined biomarker is present in the gas;a cannula channel that extends from a side of the detection unit in a direction transverse to the pathway of the tubular channel, the cannula channel being configured to allow a nasal cannula to be inserted laterally therein; anda movable obstruction element that, in a first position, permits insertion of the nasal cannula into the cannula channel, and when moved from the first position into a second position, impedes removal of the nasal cannula without pinching the nasal cannula when the nasal cannula is inserted in the cannula channel,wherein a cross-section profile of an exterior frame of the detection unit is generally disc-shaped,wherein the detection unit includes first and second cylindrical protrusions extending, respectively from opposite sides of the disc-shaped frame,wherein a hole extends through each of the first and second cylindrical protrusions and a center portion of the detection unit such that the hole leads into and out of the chamber,wherein the tube extends into the chamber through the first cylindrical protrusion,wherein an exterior surface of the respective first and second cylindrical protrusions includes helical threads thereon,wherein the obstruction element is a first cylindrical collar,wherein the apparatus further comprises a second cylindrical collar,wherein each of the first collar and the second collar have an internally threaded surface that is engageable with the helical threads of the exterior surface of the first and second cylindrical protrusions, respectively, the first collar surrounding the tube so as to engage the first cylindrical protrusion of the detection unit, and the second collar being engageable with the second cylindrical protrusion so as to secure a sample tube, which is connected to an end tidal CO2 monitor, to the detection unit,wherein, when viewed from a perspective of the disc-shaped cross-section profile of the detection unit, the biomarker-reactive element is positioned within at least a portion of a first half of the disc-shaped detection unit,wherein a second half of the disc-shaped cross-section profile includes the cannula channel including a slot extending into a center portion thereof, the slot branching into one or more slot branches that extend transverse to a direction of extension of the slot, and a width of the slot and slot branches accommodating a diameter of the nasal cannula,wherein the one or more slot branches extend back toward an outer perimeter of the exterior frame of the detection unit, andwherein a size of an outer diameter of the first collar is such that, when the first collar is engaged with the first protrusion and the nasal cannula is inserted into a slot branch, an outer surface of the first collar contacts a surface of the nasal cannula and blocks the slot branch so that the nasal cannula cannot be removed.