Multifunctional ventilator interfaces

A multifunctional ventilator interface for selectively providing ventilation and continuous oxygen therapy to a patient, the multifunctional ventilator interface comprising:

• a first segment of tubing defining a high-pressure gas lumen, a low-pressure gas lumen, and a pressure sensing lumen that are isolated from each other within the tubing, the first segment of tubing terminating in a first quick connect fitting;
• a second segment of tubing defining a high-pressure gas lumen, the second segment of tubing terminating in a second quick connect fitting connectable to the first quick connect fitting to fluidly couple the high-pressure gas lumen of the first segment of tubing with the high-pressure gas lumen of the second segment of tubing;
• a third segment of tubing defining a low-pressure gas lumen, the third segment of tubing terminating in a third quick connect fitting connectable to the first quick connect fitting to fluidly couple the low-pressure gas lumen of the first segment of tubing with the low-pressure gas lumen of the third segment of tubing;
• a manifold housing defining a ventilation gas pathway;
• a jet pump housing coupled to the manifold housing and defining at least one entrainment port in fluid communication with ambient air;
• a jet nozzle cooperatively engaged to the jet pump housing and fluidly coupled to the high-pressure gas lumen of the second segment of tubing, the jet nozzle defining a high-pressure jet nozzle outlet port operative to introduce gas from the high-pressure gas lumen into the ventilation gas pathway and to facilitate air entrainment through the at least one entrainment port and mixing of the entrained air with the gas concurrently introduced into the ventilation gas pathway;
• a nasal cannula fluidly coupled to the low-pressure gas lumen of the third segment of tubing and defining a continuous oxygen therapy gas pathway in fluid communication with the low-pressure gas lumen.

A multifunctional ventilator interface for selectively providing ventilation and continuous oxygen therapy to a patient, the multifunctional ventilator interface comprising:

• tubing defining a high-pressure gas lumen, a low-pressure gas lumen, and a pressure sensing lumen that are isolated from each other within the tubing;
• a manifold housing defining a gas pathway;
• a jet pump housing coupled to the manifold housing and defining at least one entrainment port in fluid communication with ambient air;
• a jet nozzle cooperatively engaged to the jet pump housing, the jet nozzle defining a high-pressure jet nozzle outlet port operative to introduce gas from the high-pressure gas lumen into the gas pathway and to facilitate air entrainment through the at least one entrainment port and mixing of the entrained air with the gas concurrently introduced into the gas pathway, the jet nozzle further defining a low-pressure jet nozzle outlet port operative to introduce gas from the low-pressure gas lumen into the gas pathway;
• and
• a sleeve rotatably engaged to the jet pump housing, the sleeve including a first window and a second window selectively alignable with the at least one entrainment port by rotation of the sleeve relative to the jet pump housing, the first window being configured to allow ambient air to flow into the at least one entrainment port when at least partially aligned therewith, the second window being covered by a one-way valve configured to prevent ambient air from flowing into the at least one entrainment port but to allow exhalation out of the at least one entrainment port when the second window is at least partially aligned therewith.

A multifunctional ventilator interface for selectively providing ventilation and continuous oxygen therapy to a patient, the multifunctional ventilator interface comprising:

• tubing defining a high-pressure gas lumen, a low-pressure gas lumen, and a pressure sensing lumen that are isolated from each other within the tubing;
• a manifold housing defining a gas pathway;
• a jet pump housing coupled to the manifold housing and defining a one-way exhaust valve and at least one entrainment port in fluid communication with ambient air;
• a jet nozzle cooperatively engaged to the jet pump housing, the jet nozzle defining a high-pressure jet nozzle outlet port operative to introduce gas from the high-pressure gas lumen into the gas pathway and to facilitate air entrainment through the at least one entrainment port and mixing of the entrained air with the gas concurrently introduced into the gas pathway, the jet nozzle further defining a low-pressure jet nozzle outlet port operative to introduce gas from the low-pressure gas lumen into the gas pathway;
• and
• a sleeve rotatably engaged to the jet pump housing, the sleeve including a window selectively alignable with one of the at least one entrainment port and the one-way valve by rotation of the sleeve relative to the jet pump housing, the window being configured to allow ambient air to flow into the at least one entrainment port when at least partially aligned therewith and to allow the one-way exhaust valve to operate when at least partially aligned therewith.