# US 12,133,965 B2 · Injection system and day set assembly therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,133,965 B2 - Document ID: US12133965B2 - Status: Granted - Kind: B2 - Application number: 17/262,451 - Filed: 2019-07-23 - Published: 2021-09-30 - Granted: 2024-11-05 - Earliest claimed: 2018-07-25 - Assignees: ACIST Medical Systems, Inc. - Applicants: Acist Medical Systems Inc. - Inventors: Pierre-Yves Chassot; Francois Vulliet - Web page: https://patentgrep.com/patent/US12133965B2 ## CPC - A61M 5/1407: {Infusion of two or more substances} - A61M 5/14228: {with linear peristaltic action, i.e. comprising at least three pressurising members or a helical member} - A61M 5/007: {for contrast media} - A61M 5/1408: {in parallel, e.g. by manifolds or with sequencing valves} - A61M 5/1413: {Modular systems comprising interconnecting elements} - A61M 5/1418: {Clips, separators or the like for supporting tubes or leads} - A61M 39/10: Tube connectors or tube couplings - A61M 39/1011: {Locking means for securing connection; Additional tamper safeties (A61M39/16 takes precedence)} - A61M 39/105: {Multi-channel connectors or couplings, e.g. for connecting multi-lumen tubes (multi-channel connectors in general F16L37/56)} - A61M 2039/0009: {Assemblies therefor designed for particular applications, e.g. contrast or saline injection, suction or irrigation} - A61M 2039/0027: {for mixing several substances from different containers} - A61M 2039/1016: {Unlocking means providing a secure or comfortable disconnection} - A61M 2205/50: with microprocessors or computers - A61M 2205/502: User interfaces, e.g. screens or keyboards - 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 solution for injecting one or more fluids into a patient is proposed. A corresponding injection system comprises: at least one supply station for supplying a fluid to be injected into a patient's vasculature: a pressurizing unit comprising a motor for pressurizing the fluid received from said at least one supply station: a delivery arrangement in fluid communication with said at least one supply station, the delivery arrangement comprising a connector having a connecting element and a latching mechanism: a patient set assembly in fluid communication with said delivery arrangement, said patient set assembly comprising a peristaltic pump component and at least one delivery tube for delivering the pressurized fluid to the patient, said peristaltic pump component having a connecting element for fluidically engaging the connecting element of the connector of the delivery arrangement at said port of the pressurizing unit, characterized in that said latching mechanism comprises an elongated flap integral with said connector, and said latching mechanism engages a corresponding port of the pressurizing unit. ## Claims ### Claim 1 An injection system (100) comprising: at least one supply station (105a; 105b; 105c) for supplying a fluid to be injected into a patient's vasculature; a pressurizing unit (140) comprising a motor for pressurizing the fluid received from said at least one supply station (105a; 105b; 105c); a delivery arrangement (135) in fluid communication with said at least one supply station (105a; 105b; 105c), the delivery arrangement (135) comprising a connector (300) having a connecting element (375) and a latching mechanism (380); a patient set assembly (145) in fluid communication with said delivery arrangement (135), said patient set assembly (145) comprising a peristaltic pump component (147) and at least one delivery tube (146) for delivering the pressurized fluid to the patient, said peristaltic pump component (147) having a connecting element (150) for fluidically engaging the connecting element (375) of the connector (300) of the delivery arrangement (135) at a port (151) of the pressurizing unit (140), characterized in that said latching mechanism (380) comprises an elongated flap (381) integral with a connector body portion (370) of said connector (300), and said latching mechanism (380) engages a corresponding port (151) of the pressurizing unit (140). ### Claim 2 (depends on 1) The injection system (100) according to claim 1, characterized in that the elongated flap (381) comprises a first straight portion (382) and a second curvilinear portion (383). ### Claim 3 (depends on 2) The injection system (100) according to claim 2, characterized in that the elongated flap (381) comprises a bulge element (386) protruding from an external profile of said second curvilinear portion (383). ### Claim 4 (depends on 1) The injection system (100) according to claim 1, characterized in that the elongated flap (381) comprises a free first end (384) for being acted upon by an operator. ### Claim 5 (depends on 4) The injection system (100) according to claim 4, characterized in that the elongated flap (381) comprises a second end (385), opposite to the first end (384), said second end (385) being integral with the connector body portion (370) of said connector (300). ### Claim 6 (depends on 5) The injection system (100) according to claim 5, characterized in that the connector body portion (370) defines a front wall (371) and a rear wall (372), the second end (385) of the elongated flap (381) being integral with said rear wall (372). ### Claim 7 (depends on 6) The injection system (100) according to claim 6, characterized in that the connector (300) comprises a housing (400) for receiving at least one tube of the delivery arrangement (135), said housing (400) being integral with the connector body portion (370). ### Claim 8 (depends on 7) The injection system (100) according to claim 7, characterized in that the housing (400) is integral with the rear wall (372) of the connector body portion (370). ### Claim 9 (depends on 7) The injection system (100) according to claim 7, characterized in that the elongated flap (381) comprises a first straight portion (382) and a second curvilinear portion (383) and characterized in that a curvature of the second curvilinear portion (383) at least partially matches a curvature of the housing (400). ### Claim 10 (depends on 7) The injection system (100) according to claim 7, characterized in that the elongated flap (381) comprises a first straight portion (382) and a second curvilinear portion (383) and characterized in that the second curvilinear portion (383) is spaced apart from the housing (400). ### Claim 11 (depends on 5) The injection system (100) according to claim 5, characterized in that the connector body portion (370) defines a front wall (371) and a rear wall (372) and characterized in that the elongated flap (381) comprises a first straight portion (382) and a second curvilinear portion (383) and characterized in that the elongated flap (381) comprises a bulge element (386) protruding from an external profile of said second curvilinear portion (383) and characterized in that a first point (387) from which said bulge element (386) is originated is positioned at a different level with respect to a second point (388) where the second end (385) of the elongated flap (381) is attached to the rear wall (372) of the connector body portion (370). ### Claim 12 (depends on 11) The injection system (100) according to claim 11, characterized in that, with reference to a base component (373) of the connector body portion (370), said first point (387) is positioned at a height greater than a height of said second point (388). ### Claim 13 (depends on 4) The injection system (100) according to claim 4, characterized in that, in proximity of said free first end (384), an outer profile of said elongated flap (381) is provided with a gripping surface (389). ### Claim 14 (depends on 1) The injection system (100) according to claim 1, characterized in that the delivery arrangement (135) comprises at least one supporting element (600) which is made of a single component and which has a substantially U-shape configuration in cross-section. ### Claim 15 (depends on 1) The injection system (100) according to claim 1, characterized in that the connector (300) comprises a housing (400) for receiving at least one tube of the delivery arrangement (135), said housing (400) being integral with the connector body portion (370).