# US 2016/0354566 A1 · Safe standby mode for ventilator

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- Number: US 2016/0354566 A1
- Document ID: US20160354566A1
- Status: Published application
- Kind: A1
- Application number: 15/170,405
- Filed: 2016-06-01
- Published: 2016-12-08
- Earliest claimed: 2008-09-23
- Assignees: Covidien LP
- Applicants: Covidien LP
- Inventors: Ron Thiessen
- Web page: https://patentgrep.com/patent/US20160354566A1

## CPC

- A61M 16/0051: {with alarm devices}
- A61M 16/0057: {Pumps therefor}
- A61M 16/024: {including calculation means, e.g. using a processor}
- A61M 16/201: {Controlled valves}
- A61M 16/0833: {T- or Y-type connectors, e.g. Y-piece}
- A61M 2016/0027: {pressure meter}
- A61M 2016/003: {with a flowmeter}
- A61M 2205/13: with means for the detection of operative contact with patient, e.g. lip sensor
- A61M 2205/14: Detection of the presence or absence of a tube, a connector or a container in an apparatus
- A61M 2205/18: with alarm
- A61M 2205/33: Controlling, regulating or measuring
- A61M 2205/3334: Measuring or controlling the flow rate
- A61M 2205/502: User interfaces, e.g. screens or keyboards
- A61M 2205/505: Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}

## Abstract

A ventilator with a safe standby mode is provided. The safe standby mode allows a user to disconnect a patient from the ventilator, without the ventilator generating alarms and while maintaining previously entered ventilation parameters. In addition, while in the safe standby mode, a patient connection status is monitored, and a ventilation mode is entered automatically if the ventilator determines that a patient is connected to the ventilator while the ventilator is in the safe standby mode.

## Claims

### Claim at position 1

1-21. (canceled)

### Claim 22

A ventilator comprising:
a processor; and
a memory storing computer-readable instructions that when executed by the processor cause the ventilator to:
receive an indication to initiate a standby mode;
receive a confirmation of the indication to initiate the standby mode;
initiate the standby mode, comprising:
disable at least one patient disconnect alarm;
discontinue normal ventilation of a patient;
determine whether disconnection of the patient from the ventilator occurs within a period of time; and
based on the determination, perform one of: resuming normal ventilation of the patient and monitoring for reconnection of the patient to the ventilator.

### Claim 23 (depends on 22)

The ventilator of claim 22, further comprising:
in response to determining that disconnection of the patient occurs within the period of time, monitoring for reconnection of the patient to the ventilator.

### Claim 24 (depends on 22)

The ventilator of claim 22, further comprising:
in response to determining that disconnection of the patient does not occur within the period of time, resuming normal ventilation of the patient.

### Claim 25 (depends on 22)

The ventilator of claim 22, wherein discontinuing normal ventilation of the patient comprises:
supplying a gas at a rate less than a rate for normal ventilation.

### Claim 26 (depends on 22)

The ventilator of claim 22, the computer-readable instructions when executed by the processor further causing the ventilator to:
provide a prompt for confirmation of the indication to initiate the standby mode.

### Claim 27 (depends on 23)

The ventilator of claim 23, the computer-readable instructions when executed by the processor further causing the ventilator to:
detect reconnection of the patient to the ventilator; and
automatically resume normal ventilation of the patient.

### Claim 28 (depends on 27)

The ventilator of claim 27, the computer-readable instructions when executed by the processor further causing the ventilator to:
store ventilator settings for use in normal ventilation; and
automatically resume normal ventilation based on the stored ventilator settings.

### Claim 29

A ventilator system comprising:
a user interface communicatively coupled to a controller, the user interface receiving:
a selection of a standby mode, and
a confirmation of the standby mode selection;
a breathing gas supply, the breathing gas supply interconnected to and operated in response to instructions from the controller; and
the controller communicatively coupled to the user interface and the breathing gas supply, the controller in response to the standby mode selection and the confirmation initiating the standby mode, comprising:
disabling at least one patient disconnect alarm;
detecting disconnection of a patient from the ventilator within a period of time; and
discontinuing normal ventilation of the patient.

### Claim 30 (depends on 29)

The ventilator system of claim 29, wherein discontinuing normal ventilation of the patient comprises:
supplying breathing gas at a rate less than a rate for normal ventilation.

### Claim 31 (depends on 29)

The ventilator system of claim 29, further comprising:
providing, by the user interface, a prompt for confirmation of the standby mode selection.

### Claim 32 (depends on 29)

The ventilator system of claim 29, further comprising:
monitoring for reconnection of the patient to the ventilator.

### Claim 33 (depends on 29)

The ventilator system of claim 29, further comprising:
detecting reconnection of the patient to the ventilator; and
automatically resuming normal ventilation of the patient.

### Claim 34 (depends on 33)

The ventilator system of claim 33, further comprising:
storing ventilator settings for use in normal ventilation; and
automatically resuming normal ventilation based on the stored ventilator settings.

### Claim 35

A method implemented by a ventilator, the method comprising:
receiving an indication to initiate a standby mode;
receiving a confirmation of the indication to initiate the standby mode;
initiating the standby mode, comprising:
disabling at least one patient disconnect alarm;
detecting disconnection of a patient from the ventilator; and
discontinuing normal ventilation of the patient.

### Claim 36 (depends on 35)

The method of claim 35, further comprising:
monitoring for reconnection of the patient to the ventilator.

### Claim 37 (depends on 34)

The method of claim 34, further comprising:
determining, while in the standby mode, that the patient is connected to the ventilator; and
automatically resuming normal ventilation of the patient.

### Claim 38 (depends on 34)

The method of claim 34, further comprising:
detecting reconnection of the patient to the ventilator; and
automatically resuming normal ventilation of the patient.

### Claim 39 (depends on 38)

The method of claim 38, further comprising:
storing ventilation settings for use in normal ventilation; and
automatically resuming normal ventilation based on the stored ventilation settings.

### Claim 40 (depends on 34)

The method of claim 34, wherein discontinuing normal ventilation of the patient comprises:
supplying breathing gas at a rate less than a rate for normal ventilation.

### Claim 41 (depends on 34)

The method of claim 34, further comprising:
providing a prompt for confirmation of the indication to initiate the standby mode.