# US 7,219,666 B2 · Ventilator > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,219,666 B2 - Document ID: US7219666B2 - Status: Granted - Kind: B2 - Application number: 10/893,421 - Filed: 2004-07-15 - Published: 2005-01-06 - Granted: 2007-05-22 - Earliest claimed: 1999-04-07 - Assignees: eVent Medical, Inc. - Inventors: Harri Friberg; Jakob Däscher - Web page: https://patentgrep.com/patent/US7219666B2 ## CPC - A61M 16/202: {electrically actuated} - A61M 16/0063: {Compressors} - A61M 16/024: {including calculation means, e.g. using a processor} - A61M 16/108: {before being humidified or mixed with a beneficial agent} - A61M 16/1095: {in the connecting tubes} - A61M 16/101: {using an oxygen concentrator} - A61M 16/12: by mixing different gases - A61M 16/203: {Proportional} - A61M 16/204: {used for inhalation control} - A61M 16/208: {Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves} - A61M 16/209: {Relief valves} - A61M 2016/0036: {in the breathing tube and used in both inspiratory and expiratory phase} - A61M 2016/0039: {in the inspiratory circuit} - A61M 2016/1025: {the O2 concentration} - A61M 2202/0275: Nitric oxide [NO] - A61M 2205/3666: using heat loss of a motor - A61M 2209/084: Supporting bases, stands for equipment - 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 is disclosed which has a compact block made of plastic or metal and includes an electrical computer interface, in which rigid pipes and a gas supply container are integrated, resulting in a more compact device than conventional superstructures and improved therapy gas delivery and nebulization. ## Claims ### Claim 1 A ventilator, excluding anaesthetizing equipment, comprising a closed breathing circuit, comprising: a housing forming an interior; a compact block; a gas supply container integrated in said block; at least one ventilator gas connection for enabling a connection with an external gas supply; at least one compressed air connection for enabling a connection with an external compressed air supply; at least one valve; a ventilating tube; at least one connection for said ventilating tube; gas pipes in the interior of said housing that connect said gas supply container with said at least one valve and said ventilator gas connection; electrical control means including control electronics for controlling said at least one valve, said control electronics comprising sensing means for sensing at least one of the parameters including pressure, flow and oxygen; wherein at least the majority of said gas pipes include rigid pipes and are integrated in said block together with said gas supply container, and wherein said at least one valve and said at least one connection for said ventilating tube and said ventilator gas connection are integrated in said block. ### Claim 2 (depends on 1) The ventilator according to claim 1, wherein said electrical control means comprises an electrical computer interface formed to provide at least one of a nurse call and an RS232 connection. ### Claim 3 (depends on 1) The ventilator according to claim 1, wherein said electrical control means comprises an interface having a software download facility. ### Claim 4 (depends on 1) The ventilator according to claim 1, wherein the at least one valve comprises a compressed air valve and further comprising a ventilation gas valve both leading to the gas supply container integrated into the block, wherein the two valves control the mixture of gas into the gas supply container integrated into the block. ### Claim 5 (depends on 4) The ventilator according to claim 4, in which the control of the mixture is based on pressure inside the gas supply container integrated into the block. ### Claim 6 (depends on 4) The ventilator according to claim 4, wherein the maximum pressure inside the gas supply container integrated into the block is limited by a pressure control valve. ### Claim 7 (depends on 4) The ventilator according to claim 4, further comprising oxygen monitoring, incorporating an oxygen sensor integrated into the block. ### Claim 8 (depends on 1) The ventilator according to claim 1, further comprising a DC powered compressor having an output within the housing, said compressor being connected to said gas supply container via one of said gas pipes. ### Claim 9 (depends on 1) The ventilator according to claim 1, wherein the control electronics comprises software that is programmed via a control panel and allows setting sigh ventilation for a patient at a selected time interval, repeatability and selected sigh pressure. ### Claim 10 (depends on 1) The ventilator according to claim 1, wherein the control electronics comprises software that is programmed via a control panel and allows setting sigh ventilation for a patient at a selected time interval, repeatability and selected sigh volume. ### Claim 11 (depends on 1) The ventilator according to claim 1, wherein said breathing circuit comprises an internal compressor in said housing. ### Claim 12 (depends on 11) The ventilator according to claim 11, wherein the control electronics comprises software that is programmed via a control panel and allows setting ventilation for a patient at selected values of volume or pressure. ### Claim 13 (depends on 12) The ventilator according to claim 12, wherein said sensing means comprises at least two sensors that are integrated into the block. ### Claim 14 (depends on 12) The ventilator according to claim 12, wherein said control panel further comprises a removable top housing including a display. ### Claim 15 (depends on 1) The ventilator according to claim 1, wherein said at least one valve comprises a controllable valve, and said sensing means comprises a flow sensor and a pressure sensor for controlling the delivery of gas from said gas supply container integrated into said block via said controllable valve. ### Claim 16 (depends on 1) The ventilator according to claim 1, wherein measured parameters from said sensing means are used to control gas delivery to a patient. ### Claim 17 (depends on 1) The ventilator according to claim 1, wherein said breathing circuit comprises at least one of the following: a humidifier, and an inline nebulizer. ### Claim 18 (depends on 1) The ventilator according to claim 1, wherein said at least one valve comprises a compressor air valve or a ventilation gas valve, either of said valves being supplied via a one way check valve. ### Claim 19 (depends on 1) The ventilator according to claim 1, wherein one or more of an oxygen mixture and Nitric Oxide are usable as a supply gas. ### Claim 20 (depends on 19) The ventilator according to claim 19, wherein said supply gas is mixable with air and O2 for delivery to the patient. ### Claim 21 A ventilator, comprising a closed breathing circuit, comprising: a housing forming an interior; a compact block; a gas supply container integrated in the block; at least one ventilation gas input for enabling a connection with an external gas supply; at least one compressed air input; a ventilation gas valve; a compressed air valve; gas pipes in the interior of said housing that connect said gas supply container with the ventilation gas valve and with the compressed air valve; electrical control means including control electronics for controlling at least one of the ventilator gas valve and the compressed air valve, the control electronics comprising sensing means for sensing at least one of the parameters selected from pressure, flow and oxygen; wherein at least the majority of the gas pipes include rigid pipes and are integrated in the block together with the gas supply container, and wherein both the ventilator gas valve and the compressed air valve are integrated in or on the block. ### Claim 22 (depends on 21) The ventilator according to claim 21, further comprising, a nebulizer pipe connected to the gas supply container. ### Claim 23 (depends on 22) The ventilator according to claim 22, further comprising, an output of the nebulizer pipe flowing through a nebulizer valve and into a nebulizer chamber. ### Claim 24 (depends on 21) The ventilator according to claim 21, further comprising, a compressor in the housing wherein the compressor's pressure output is connected to the block through a tube. ### Claim 25 A ventilator, comprising a closed breathing circuit, comprising: a compact block; a gas supply container integrated in the block; at least one valve block integrated on the compact block with at least one valve flange-mounted thereon; at least one ventilation gas input; at least one compressed air input; a ventilation gas valve; a compressed air valve; gas pipes in the interior of the compact block that connect said gas supply container with the ventilation gas valve and with the compressed air valve; electrical control means including control electronics for controlling at least one of the ventilator gas valve and the compressed air valve; wherein at least the majority of the gas pipes include rigid pipes and are integrated in the compact block together with the gas supply container, and wherein both the ventilator gas valve and the compressed air valve are integrated in or on the compact block or integrated in or on the valve block. ### Claim 26 (depends on 25) The ventilator according to claim 25, further comprising, an integrated charger for an integrated battery, wherein the integrated charger is capable of being connected to a DC power supply and capable of being charged by an AC voltage.