IP Library › Granted Patent US 12,440,634
Granted Patent B2
US 12,440,634 · App. 17/558,363 · Granted Oct 14, 2025

Ventilator systems with integrated oxygen delivery, and associated devices and methods

Inventors: Joseph Cipollone (Bothell, WA); Andrew R. Chapman (Bothell, WA); Luke Kobler Johnson (Seattle, WA); Samir S. Ahmad (San Diego, CA); Michael B. Holmes (Bothell, WA); Christopher T. Kiple (Seattle, WA)
Assignee: Ventec Life Systems, Inc.
A61M16/026A61M16/0003A61M16/0672A61M16/209A61M2016/0027A61M2202/0208
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Quick Facts
Patent No.
US 12,440,634
App. No.
17/558,363
Granted
Oct 14, 2025
Kind
B2
Abstract

The present technology is directed to ventilator systems that can provide both ventilation therapy and oxygen therapy. The systems described herein may include a ventilation assembly that can provide inspiratory gas to a patient circuit and an oxygen assembly that can provide pulses of oxygen to an oxygen delivery circuit. In some embodiments, the oxygen delivery circuit is distinct from the patient circuit. For example, the patient circuit can include a corrugated conduit coupled a ventilation mask, and the oxygen delivery circuit can include a nasal cannula. The ventilation mask can be positioned over the nasal cannula so that the patient can receive both the inspiratory gases and the pulses of oxygen.

Claims (34)

1. A ventilator system for providing therapy to a patient, comprising:

a housing;

a ventilation assembly in the housing and configured to provide a breath composed at least partially of inspiratory gas, the ventilation assembly including a ventilation port in the housing for providing the inspiratory gas to a patient circuit;

an oxygen assembly in the housing and having an oxygen source configured to provide oxygen, the oxygen assembly further including an oxygen port in the housing for delivering the oxygen to an oxygen delivery circuit;

a sensor configured to measure a pressure level for triggering delivery of the breath and/or the oxygen; and

an adapter configured to interface with the oxygen port, the oxygen delivery circuit, and the sensor, wherein the adapter is further configured to (i) transmit at least a portion of a reduction in pressure induced in the oxygen delivery circuit during a patient's initial inspiratory effort to the sensor for triggering the delivery of the oxygen and/or the breath, and (ii) route the oxygen from the oxygen outlet port to the oxygen delivery circuit,

wherein the system is transitionable between (a) a ventilation mode in which the ventilation assembly provides inspiratory gas to the patient circuit, (b) an oxygen mode in which the oxygen assembly provides oxygen to the oxygen delivery circuit, and (c) a combination mode in which the ventilation assembly provides inspiratory gas to the patient circuit and the oxygen assembly provides oxygen to the oxygen delivery circuit.

2. The ventilator system of claim 1 , further comprising a control module configured to transition the system between the ventilation mode, the oxygen mode, and/or the combination mode.

3. The ventilator system of claim 2 wherein the control module is configured to automatically transition the system between the ventilation mode, the oxygen mode, and/or the combination mode.

4. The ventilator system of claim 2 wherein the control module is configured to transition the system between the ventilation mode, the oxygen mode, and/or the combination mode in response to a user input.

5. The ventilator system of claim 1 wherein the patient circuit is distinct from the oxygen delivery circuit.

6. The ventilator system of claim 1 wherein the oxygen delivery circuit is a cannula.

7. The ventilator system of claim 1 , further comprising the oxygen delivery circuit, and wherein the oxygen delivery circuit includes:

a first lumen configured to extend between a sensor port housing the sensor and the patient, and

a second lumen configured to extend between the oxygen port and the patient,

wherein the first lumen and the second lumen are fluidly isolated.

8. The ventilator system of claim 1 wherein the oxygen includes one or more pulses of oxygen.

9. A ventilator system for providing therapy to a patient, comprising:

a ventilation assembly configured to provide a breath composed at least partially of inspiratory gas, the ventilation assembly including a ventilation port for providing the inspiratory gas to a patient circuit;

an oxygen assembly configured to provide oxygen, the oxygen assembly including an oxygen port for delivering the oxygen to an oxygen delivery circuit;

a sensor configured to measure a pressure level for triggering delivery of the breath and/or the oxygen; and

an adapter configured to interface with the oxygen port, the oxygen delivery circuit, and the sensor, wherein the adapter is further configured to (i) transmit at least a portion of a reduction in pressure induced in the oxygen delivery circuit during a patient's initial inspiratory effort to the sensor for triggering the delivery of the oxygen and/or the breath and (ii) route the oxygen from the oxygen outlet port to the oxygen delivery circuit,

wherein the system is transitionable between (a) a ventilation mode in which the ventilation assembly provides inspiratory gas to the patient circuit, (b) an oxygen mode in which the oxygen assembly provides oxygen to the oxygen delivery circuit, and (c) a combination mode in which the ventilation assembly provides inspiratory gas to the patient circuit and the oxygen assembly provides oxygen to the oxygen delivery circuit.

10. The ventilator system of claim 9 wherein the adapter is further configured to (iii) prevent a pressure at the sensor from exceeding a maximum threshold value during delivery of the oxygen.

11. The ventilator system of claim 9 wherein the adapter includes a pressure-transmitting membrane.

12. The ventilator system of claim 9 wherein the adapter includes a pressure relief valve.

13. A method of treating a patient using a ventilator having an oxygen assembly, a ventilation assembly, and a sensor positioned within a common housing, the method comprising:

transmitting at least a portion of a reduction in pressure induced in an oxygen delivery circuit during the patient's initial inspiratory effort to the sensor via an adapter having a first portion coupled to the oxygen delivery circuit and a second portion coupled to the sensor;

in response to transmitting the at least portion of the reduction in pressure, operating the ventilator in an oxygen mode to provide a pulse of oxygen to the patient via the oxygen assembly, an oxygen outlet port in the common housing, and an oxygen delivery circuit, wherein a third portion of the adapter is coupled to the oxygen outlet port such that oxygen flows through the adapter between the oxygen outlet port and the oxygen delivery circuit, wherein in the oxygen mode the patient does not receive ventilation gases; and

in response to a user input, operating the ventilator in a combination mode to provide (1) the oxygen to the patient via the oxygen assembly and the oxygen delivery circuit, and (2) ventilation gases to the patient via the ventilation assembly and a ventilation gas delivery circuit coupled to the ventilator,

wherein the patient remains continuously connected to the oxygen delivery circuit and receives the oxygen during the transition from the oxygen mode to the combination mode.

14. The method of claim 13 wherein the ventilation gas delivery circuit includes a patient mask and the oxygen delivery circuit includes a cannula, the method further comprising positioning the patient mask over the cannula before operating the ventilator in the combination mode.

15. The method of claim 13 wherein the ventilator is portable.

16. The method of claim 13 wherein the oxygen is provided to the patient as one or more pulses of oxygen in both the oxygen mode and the combination mode.

Assignments (2)
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Recorded Feb 17, 2023
From: VENTEC LIFE SYSTEMS, INC.
To: TRUIST BANK
Reel/Frame 062781/0470 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 26, 2022
From: CIPOLLONE, JOSEPH; CHAPMAN, ANDREW R.; JOHNSON, LUKE KOBLER; AHMAD, SAMIR S.; HOLMES, MICHAEL B.; KIPLE, CHRISTOPHER T.
To: VENTEC LIFE SYSTEMS, INC.
Reel/Frame 061212/0786 →
Continuity (2)
Provisional Application 63128739 · Dec 21, 2020
Related Publication 20220193354A1 · Jun 23, 2022
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