Multiple function airway adapter
First Claim
1. An airway adapter configured to substantially simultaneously provide data indicative of respiratory gas flow and of a concentration of at least two substances present in respiration of an individual, comprising:
- a housing with a bore formed therethough;
a respiratory flow detection component formed in the housing and in communications with the bore;
a first respiratory detection component configured to facilitate sensing of at least a first of the at least two substances without diverting respiratory gases from the housing and comprising a detection chamber within the housing, a boundary of the detection chamber at least partially defined by at least one window; and
a second respiratory detection component disposed on at least a portion of the at least one window and comprising at least one luminescence quenching sensor configured to facilitate sensing of at least a second of the at least two substances without diverting respiratory gases from the housing.
6 Assignments
0 Petitions
Accused Products
Abstract
An integrated airway adapter capable of monitoring any combination of respiratory flow, O2 concentration, and concentrations of one or more of CO2, N2O, and an anesthetic agent in real time, breath by breath. Respiratory flow may be monitored with differential pressure flow meters under diverse inlet conditions through improved sensor configurations which minimize phase lag and dead space within the airway. Molecular oxygen concentration may be monitored by way of luminescence quenching techniques. Infrared absorption techniques may be used to monitor one or more of CO2, N2O, and anesthetic agents.
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Citations
51 Claims
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1. An airway adapter configured to substantially simultaneously provide data indicative of respiratory gas flow and of a concentration of at least two substances present in respiration of an individual, comprising:
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a housing with a bore formed therethough; a respiratory flow detection component formed in the housing and in communications with the bore; a first respiratory detection component configured to facilitate sensing of at least a first of the at least two substances without diverting respiratory gases from the housing and comprising a detection chamber within the housing, a boundary of the detection chamber at least partially defined by at least one window; and a second respiratory detection component disposed on at least a portion of the at least one window and comprising at least one luminescence quenching sensor configured to facilitate sensing of at least a second of the at least two substances without diverting respiratory gases from the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A respiratory monitoring system, comprising:
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an airway adapter, comprising; a housing with a flow passage extending therethough; a first window positioned on top of the housing for facilitating luminescence quenching measurements of at least one substance within the flow passage; a luminescable material disposed in communication with the flow passage and adjacent the first window; a pair of second windows positioned on sides of the housing on opposite sides of the flow passage for facilitating infrared measurements of at least another substance within the flow passage; and a transducer-orienting element; and a transducer, comprising; an attachment feature configured to secure the transducer to the airway adapter, with the transducer-orienting element of the airway adapter defining an orientation of the transducer and a plurality of features thereof with the airway adapter such that luminescence quenching measurements are made through the first window and infrared measurements are made through the second windows. - View Dependent Claims (20, 21, 22)
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23. A respiratory monitoring system, comprising:
- an airway adapter, comprising;
a housing including; a flow passage extending through at least a portion of a length thereof; and a transducer orienting element comprising seat for receiving a complementarily configured portion of a transducer; a transducer comprising; a radiation source and a luminescence detector to make luminescence quenching measurement; an infrared source and an infrared detector to make additional measurements; a first window in the housing for facilitating luminescence quenching measurements of at least one substance in the flow passage the seat of the housing orienting the radiation source and the luminescence detector of the transducer toward the first window; a luminescence material disposed in communications with the flow passage and adjacent the first window; a second window in the housing for facilitating infrared measurements of at least another substances in the flow passage the seat of the housing orienting the infrared source and the infrared detection component of the transducer toward the second window; and an attachment feature that secures the transducer to the transducer-orienting element of the airways adapter, with the transducer-orienting element defining an orientation of the transducer and a plurality of features thereof with the airway adapter. - View Dependent Claims (24, 25, 26, 27)
- an airway adapter, comprising;
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28. A respiratory monitoring system, comprising:
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an airway adapter, comprising; a housing with flow passage extending therethough, the housing including; a transducer-orienting element comprising a seat that receives a complementarily configured portion of a transducer; a first window in the housing for facilitating luminescence quenching measurements of at least one substance within the flow passage a luminescence material disposed in communication with the flow passage and adjacent the first window; a pair of second windows positioned in the housing on opposite sides of the flow passage for facilitating infrared measurements of at least another substance within the flow passage; a transducer, comprising; a radiation source and a luminescence detector for making luminescence quenching measurements; an infrared source and an infrared detector for making additional measurements; and an attachment feature securing the transducer to the transducer-orienting element, with the seat of the transducer-orienting element of the airway adapter defining an orientation of the transducer and orienting; the radiation source and the luminescence detector toward the first window; the infrared source toward one second window of the pair, and the infrared detection component of the transducer toward another second window of the pair. - View Dependent Claims (29, 30)
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31. A respiratory monitoring system, comprising:
- an airway adapter, comprising;
housing including a flow a passage extending through at least a portion of a length thereof; a first window positioned on top of the housing for facilitating luminescence quenching measurements of at least one substance in the flow passage a luminescence material disposed in communication with the flow passage and adjacent the first window; a second window positioned on a side of the housing for facilitating infrared measurements of at least another substance in the flow passage; a transducer-orienting element; a transducer_comprising; a first device for making luminescence quenching measurements through the first window; a second device for making infrared measurements through the second window; and an attachment feature securing the transducer to the transducer-orienting element of the airway adapter, with the transducer-orienting element defining an orientation of the transducer and a plurality of features thereof with the airway adapter. - View Dependent Claims (32, 33)
- an airway adapter, comprising;
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34. An airway adapter configured to substantially simultaneously provide data indicative of respiratory gas flow and of concentration of at least two substances present in respiration of an individual, comprising:
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a housing with a bore formed therethough and a detection chamber positioned along the bore; a respiratory flow detection component formed in the housing, in communication with a bore, and comprising first and second pressurization ports positioned on opposite sides of the detection chamber; a first respiratory detection component configured to facilitate sensing of at least a first of the at least two substances without diverting respiratory gases from the housing and comprising the detection chamber, a boundary of the detection chamber at least partially defined by at least one window, and a second respiratory detection component comprising at least one luminescence quenching sensor configured to facilitate sensing of at least a second of the at least two substances without diverting respiratory gases from the housing. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
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Specification