# US 2024/0201292 A1 · Magnetic Resonance Tomography System with an Adapted Ventilator Having an Air Volume Amplifier > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2024/0201292 A1 - Document ID: US20240201292A1 - Status: Published application - Kind: A1 - Application number: 18/521,043 - Filed: 2023-11-28 - Published: 2024-06-20 - Earliest claimed: 2022-12-14 - Assignees: Siemens Healthcare GmbH - Applicants: Siemens Healthcare GmbH - Inventors: Georg Seegerer - Web page: https://patentgrep.com/patent/US20240201292A1 ## CPC - A61B 5/055: involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging - G01R 33/28: Details of apparatus provided for in groups G01R33/44 - G01R33/64 - G01R 33/31: Temperature control thereof - F24F 7/007: with forced flow (using ducting systems F24F7/06) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12) - F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02) ## Abstract A magnetic resonance tomography system may include an adapted ventilator with an air exit. The adapted ventilator may include an airstream generator (e.g., with a motor), an air volume amplifier which is arranged at the air exit and/or includes the air exit, and an air line section which carries an airstream that is generated by the airstream generator to the air volume amplifier. The air volume amplifier may be configured to increase an air volume of the airstream that is carried via the air line section to the air volume amplifier, so that it outputs an airstream with increased air volume. ## Claims ### Claim 1 A magnetic resonance tomography system comprising: an adapted ventilator including: an air exit; an airstream generator configured to generate an airstream; an air volume amplifier arranged at the air exit and/or comprises the air exit, the air volume amplifier being configured to increase an air volume of the airstream; and an air line section configured to carry the generated airstream from the airstream generator to the air volume amplifier, wherein the air volume amplifier is configured to increase an air volume of the airstream that is carried via the air line section to the air volume amplifier to output an amplified airstream with increased air volume. ### Claim 2 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the air volume amplifier comprises a non-magnetic or non-magnetizable material and/or a non-conductive material. ### Claim 3 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the air volume amplifier is configured to passively increase the air volume based on a geometric structure of the air volume amplifier. ### Claim 4 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the air volume amplifier comprises an air-guiding annulus or annular section with air exit openings through which air is output in a direction having a directional component that is perpendicular to an annular plane. ### Claim 5 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the air volume amplifier comprises an air-guiding annulus or annular section with air exit openings through which air is output in a direction that deviates by no more than 20° from a direction perpendicular to an annular plane. ### Claim 6 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the airstream generator is arranged in a first region and the air volume amplifier is arranged in a second region, the first region having a lower magnetic field strength than the second region in response to the magnetic resonance tomography system generating a magnetic field during operation. ### Claim 7 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the air volume amplifier is configured to amplify the air volume at least a factor of 5. ### Claim 8 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the airstream generator is configured to input the airstream into the air line section with a pressure of 80 Pa to 500 Pa. ### Claim 9 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the magnetic resonance tomography system further comprises an examination tunnel having a tunnel entrance, the air volume amplifier being arranged at the tunnel entrance and oriented such that the amplified airstream is directed into the examination tunnel along a longitudinal axis of the examination tunnel or is oriented such that the amplified airstream is directed out of the examination tunnel. ### Claim 10 (depends on 9) The magnetic resonance tomography system as claimed in claim 9, wherein the air exit of the air volume amplifier is arranged around a perimeter of the tunnel entrance and surrounds the tunnel entrance in an annular or partially annular manner. ### Claim 11 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein the air exit of the air volume amplifier is annularly shaped. ### Claim 12 (depends on 1) The magnetic resonance tomography system as claimed in claim 1, wherein: the magnetic resonance tomography system further comprises a movable patient couch configured to be moved at least partially into an examination region of the magnetic resonance tomography system, and the air volume amplifier is arranged and attached to the patient couch such that, in response to the patient couch being moved into the examination region, the air volume amplifier is moved into the examination region with the patient couch. ### Claim 13 (depends on 12) The magnetic resonance tomography system as claimed in claim 12, wherein the patient couch comprises an electronic component, the air volume amplifier being arranged such that the amplified airstream is directed at the electronic component. ### Claim 14 (depends on 13) The magnetic resonance tomography system as claimed in claim 13, wherein electronic component is a receiving coil. ### Claim 15 (depends on 12) The magnetic resonance tomography system as claimed in claim 12, wherein: the magnetic resonance tomography system further comprises an examination tunnel having a tunnel entrance via which the patient couch is movable into the examination region that is arranged in the examination tunnel; the magnetic resonance tomography system further comprises a support element arranged in front of the tunnel entrance, the patient couch being supported by resting on the support element when the patient couch is moved out of the examination tunnel; and the airstream generator is arranged outside of the examination tunnel and position on the support element or integrated in the support element. ### Claim 16 (depends on 15) The magnetic resonance tomography system as claimed in claim 15, wherein the air line section between the airstream generator and the air volume amplifier is a flexible air hose. ### Claim 17 An adapted ventilator comprising: an air exit; an airstream generator configured to generate an airstream; an air volume amplifier arranged at the air exit and/or comprises the air exit, the air volume amplifier being configured to increase an air volume of the airstream; and an air line section configured to carry the generated airstream from the airstream generator to the air volume amplifier, wherein the air volume amplifier is configured to increase an air volume of the airstream that is carried via the air line section to the air volume amplifier to output an amplified airstream with increased air volume. ### Claim 18 (depends on 17) A magnetic resonance tomography system comprising the adapted ventilator of claim 17. ### Claim 19 (depends on 18) The magnetic resonance tomography system as claimed in claim 18, further comprising: an examination tunnel having a tunnel entrance; and a support configured to be arranged in front of the tunnel entrance and to support a patient couch, wherein the airstream generator is arranged outside of the examination tunnel and position on the support element or integrated with the support. ### Claim 20 (depends on 18) The magnetic resonance tomography system as claimed in claim 18, further comprising an examination tunnel having a tunnel entrance, the air volume amplifier being arranged at the tunnel entrance and configured to: direct the amplified airstream into the examination tunnel or direct the amplified airstream out of the examination tunnel.