# US 12,178,961 B2 · Multifunctional ventilator interfaces > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,178,961 B2 - Document ID: US12178961B2 - Status: Granted - Kind: B2 - Application number: 17/505,931 - Filed: 2021-10-20 - Published: 2022-04-28 - Granted: 2024-12-31 - Earliest claimed: 2020-10-22 - Assignees: Hill-Rom Services Pte. Ltd. - Applicants: Hill-Rom Services PTE. LTD. - Inventors: Timothy Fitch; Tom Westfall - Web page: https://patentgrep.com/patent/US12178961B2 ## CPC - A61M 16/0666: {Nasal cannulas or tubing (devices for improving normal breathing through the nose A61F5/08; nose filters A62B23/06; outside holding devices A61M25/02)} - A61M 16/0875: {Connecting tubes} - A61M 16/0057: {Pumps therefor} - A61M 16/0096: {High frequency jet ventilation} - A61M 16/0672: {Nasal cannula assemblies for oxygen therapy} - A61M 16/0816: {Joints or connectors} - A61M 16/0833: {T- or Y-type connectors, e.g. Y-piece} - A61M 16/0858: {Pressure sampling ports} - A61M 16/12: by mixing different gases - A61M 16/127: {by Venturi effect, i.e. entrainment mixers} - A61M 16/208: {Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves} - A61M 16/0063: {Compressors} - A61M 16/101: {using an oxygen concentrator} - A61M 25/0026: {Multi-lumen catheters with stationary elements (catheter assemblies comprising a catheter in combination with a guide tube, sheath or sleeve A61M2025/0681; catheters comprising telescoping coaxial elements A61M2025/0175)} - A61M 2016/0027: {pressure meter} - A61M 2202/0208: Oxygen - 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 multifunctional ventilator interface for selectively providing ventilation and continuous oxygen therapy to a patient includes tubing defining a high-pressure gas lumen, a low-pressure gas lumen, and a pressure sensing lumen, a manifold housing defining a gas pathway, a jet pump housing coupled to the manifold housing and defining an entrainment port, a sleeve rotatably engaged to the jet pump housing, and a jet nozzle defining high- and low-pressure jet nozzle outlet ports operative to introduce gas from the high- and low-pressure gas lumens into the gas pathway. The sleeve includes first and second windows selectively alignable with the entrainment port by rotation of the sleeve, the first window configured to allow ambient air to flow into the 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 entrainment port but to allow exhalation out of the entrainment port when the second window is at least partially aligned therewith. ## Claims ### Claim 1 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; 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, 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 defining a continuous oxygen therapy gas pathway; and a second segment of tubing fluidly coupling the low-pressure gas lumen of the first segment of tubing with the continuous oxygen therapy gas pathway of the nasal cannula. ### Claim 2 (depends on 1) The multifunctional ventilator interface of claim 1, wherein the jet nozzle further defines a low-pressure jet nozzle outlet port operative to introduce gas from the low-pressure gas lumen into the ventilation gas pathway, the low-pressure gas lumen branching from the first segment of tubing to define a first branch that extends within the second segment of tubing and a second branch that continues to the jet nozzle. ### Claim 3 (depends on 2) The multifunctional ventilator interface of claim 2, further comprising a wye connector for branching the low-pressure gas lumen from the first segment of tubing to define the first and second branches, the wye connector including a switch operative to toggle between blocking the first branch and blocking the second branch. ### Claim 4 (depends on 1) The multifunctional ventilator interface of claim 1, wherein the low-pressure gas lumen is bifurcated from the first segment of tubing without branching to extend within the second segment of tubing. ### Claim 5 (depends on 1) The multifunctional ventilator interface of claim 1, wherein the manifold housing further defines a pressure sensing pathway that fluidly communicates with a prescribed region of the ventilation gas pathway and is operative to be fluidly coupled to the pressure sensing lumen. ### Claim 6 (depends on 1) A system for selectively providing ventilation and continuous oxygen therapy to a patient, the system comprising: the multifunctional ventilator interface of claim 1; and a ventilator operable to provide ventilation gas to the jet nozzle via the high-pressure gas lumen of the first segment of tubing. ### Claim 7 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. ### Claim 8 (depends on 7) The multifunctional ventilator interface of claim 7, wherein the second segment of tubing further defines a pressure sensing lumen, and the second quick connect fitting further fluidly couples the pressure sensing lumen of the first segment of tubing with the pressure sensing lumen of the second segment of tubing. ### Claim 9 (depends on 8) The multifunctional ventilator interface of claim 8, wherein the second segment of tubing further defines a low-pressure gas lumen, and the second quick connect fitting further fluidly couples the low-pressure gas lumen of the first segment of tubing with the low-pressure gas lumen of the second segment of tubing. ### Claim 10 (depends on 9) The multifunctional ventilator interface of claim 9, wherein the third quick connect fitting blocks the high-pressure gas lumen of the first segment of tubing. ### Claim 11 (depends on 10) The multifunctional ventilator interface of claim 10, wherein the third quick connect fitting further blocks the pressure sensing lumen of the first segment of tubing. ### Claim 12 (depends on 7) A system for selectively providing ventilation and continuous oxygen therapy to a patient, the system comprising: the multifunctional ventilator interface of claim 7; and a ventilator operable to provide ventilation gas to the jet nozzle via the high-pressure gas lumens of the first and second segments of tubing. ### Claim 13 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. ### Claim 14 (depends on 13) The multifunctional ventilator interface of claim 13, wherein the second window is on the opposite side of the sleeve from the first window. ### Claim 15 (depends on 13) The multifunctional ventilator interface of claim 13, wherein the sleeve is prevented from assuming any rotational position in which patient exhalation cannot flow through the entrainment port. ### Claim 16 (depends on 13) A system for selectively providing ventilation and continuous oxygen therapy to a patient, the system comprising: the multifunctional ventilator interface of claim 13; and a ventilator operable to provide ventilation gas to the jet nozzle via the high-pressure gas lumen. ### Claim 17 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. ### Claim 18 (depends on 17) The multifunctional ventilator interface of claim 17, wherein the one-way valve is on the opposite side of the jet pump housing from the at least one entrainment port. ### Claim 19 (depends on 17) The multifunctional ventilator interface of claim 17, wherein the sleeve is prevented from assuming any rotational position in which patient exhalation can flow neither through the at least one entrainment port nor through the one-way exhaust valve. ### Claim 20 (depends on 17) A system for selectively providing ventilation and continuous oxygen therapy to a patient, the system comprising: the multifunctional ventilator interface of claim 17; and a ventilator operable to provide ventilation gas to the jet nozzle via the high-pressure gas lumen.