Wired connections for smart breathing circuits

1 . A ventilation system comprising:

a pressure source;

a pneumatic path configured to receive gas from the pressure source and comprising a first pneumatic component coupled to a second pneumatic component, wherein:

the first pneumatic component comprises a first electrical conductor including a first electrical component having a first electrical characteristic, and

the second pneumatic component comprises a second electrical conductor including a second electrical component having a second electrical characteristic different than the first electrical characteristic, wherein the first electrical conductor is electrically connected with the second electrical conductor in an electric path and wherein the first and second electrical characteristics produce a unique electrical characteristic of the electric path;

a processor; and

memory storing instructions that, when executed by the processor, causes the ventilation system to perform operations comprising:

determining a continuity of the electrical path;

displaying a notification regarding the continuity of the electrical path;

emitting, through the electrical path, an interrogation signal that includes a time series of different frequencies;

detecting a response signal that includes a response to different frequencies of the interrogation signal;

based on the response signal, identifying at least one of the first and second pneumatic components or the first and second electrical components; and

based on the identifying, determining a pneumatic characteristic of the pneumatic path.

2 . The system of claim 1 , wherein the pneumatic characteristic includes at least one of airway resistance and airway compliance.

3 . The system of claim 1 , wherein the pneumatic characteristic includes at least one of a gas volume or gas flow alteration caused by the at least one of the first pneumatic component or the second pneumatic component.

4 . The system of claim 1 , wherein:

the first pneumatic component is one of a breathing circuit, an inspiratory filter, an expiratory filter, a humidification system, a wye, a flow sensor, an endotracheal tube, a nasal cannula, a mask, a suction catheter, a water trap, a nebulizer, or a percussor; and

the second pneumatic component is one of a breathing circuit, an inspiratory filter, an expiratory filter, a humidification system, a wye, a flow sensor, an endotracheal tube, a nasal cannula, a mask, a suction catheter, a water trap, a nebulizer, or a percussor.

5 . The system of claim 1 , wherein the operations further comprise:

adjusting a ventilation parameter according to the pneumatic characteristic, wherein the ventilation parameter is at least one of flow, pressure, volume; and

delivering ventilation according to the adjusted ventilation parameters.

6 . The system of claim 1 , wherein the response signal includes a first identifier for the first pneumatic component and a second identifier for the second pneumatic component, and determining the pneumatic characteristic includes performing a lookup operation to identify the pneumatic characteristic.

7 . The system of claim 1 , wherein the first electrical conductor including the first electrical component is removable from the first pneumatic component.

8 . The system of claim 1 , further comprising:

a third pneumatic component; and

an adapter comprising a third electrical conductor including a third electrical component corresponding to the third pneumatic component, the adapter coupling the third pneumatic component with at least one of the first pneumatic component or the second pneumatic component.

9 . A method for automatically characterizing pneumatic components of a pneumatic path for a ventilator, the method comprising:

emitting an interrogation signal through electrical conductors of a plurality of pneumatic components of the pneumatic path;

detecting a response signal from the electrical conductors of the plurality of pneumatic components of the pneumatic path;

based on the response signal, determining an aggregate electrical characteristic; and

based on the aggregate electrical characteristic, determining at least one of:

an identity of a unique combination of the plurality of pneumatic components; or

one or more pneumatic characteristics of the pneumatic path.

10 . The method of claim 9 , further comprising:

performing an abbreviated circuit check based on the identity of the unique combination or the one or more pneumatic characteristics.

11 . The method of claim 9 , wherein the identity of the unique combination of the plurality of pneumatic components is determined.

12 . The method of claim 9 , wherein the one or more pneumatic characteristics of the pneumatic path are determined.

13 . The method of claim 12 , wherein:

the aggregate electrical characteristic is at least one of electrical impedance, electrical resistance, electrical capacitance, or electrical inductance.

14 . A method, performed by a ventilator, for automatically characterizing pneumatic components of a pneumatic path, the method comprising:

emitting an interrogation signal through electrical conductors of a first pneumatic component and a second pneumatic component of a pneumatic path, wherein the interrogation signal includes a time series of different frequencies and the interrogation signal is altered by a first electrical identification circuit of the first pneumatic component and a second identification circuit of the second pneumatic component;

receiving a response signal in response to the interrogation signal, wherein the response signal includes a response to different frequencies of the interrogation signal;

based on the response signal, determining at least one pneumatic characteristic of the first pneumatic component and the second pneumatic component; and

delivering ventilation that is compensated based on the pneumatic characteristics.

15 . The method of claim 14 , the method further comprising:

determining an electrical characteristic of the first electrical identification circuit, wherein the electrical characteristic is at least one of electrical impedance, electrical resistance, electrical capacitance, or electrical inductance; and

wherein the at least one pneumatic characteristic is determined based on the electrical characteristic.

16 . The method of claim 14 , wherein the response signal includes a first identifier for the first pneumatic component and a second identifier for the second pneumatic component, and determining the at least one pneumatic characteristic includes performing a lookup operation to identify the at least one pneumatic characteristic.