Abstract: A pressure jacket for use with a fluid injector may have a pressure jacket body having a proximal end, a distal end, and a circumferential sidewall extending between the proximal end and the distal end along a pressure jacket longitudinal axis. The pressure jacket may further have at least one resiliently deflectable retaining member having a first segment attached to the pressure jacket body and a second segment protruding from the first segment toward the distal end of the pressure jacket body and deflectable relative to the first segment. The pressure jacket may further have at least one actuation member associated with the at least one resiliently deflectable retaining member. The at least one actuation member may interact with a housing of the fluid injector when the pressure jacket is connected to the housing to deflect the at least one resiliently deflectable retaining member upon rotation of the pressure jacket.

Abstract: A method for controlling fluid ratio accuracy during a dual flow injection with a powered injection system is described.

Abstract: A bolus control device for use with an injection device, the bolus control device including a valve body having a proximal end opposite a distal end. The valve body defines a fluid channel therethrough to allow a passage of medical fluid from the proximal end to the distal end. A connector is provided at the proximal end and configured for connecting to a fluid inlet line. A connector subassembly is provided at the distal end and configured for connecting to a fluid outlet line. A compressible check valve is disposed within the fluid channel, such that the compressible check valve is adjustable to control a cracking pressure at which the compressible check valve closes.

Abstract: A syringe for delivery of a medical liquid to a container has a body with proximal end, a frustoconical distal end, and a cylindrical sidewall extending between the proximal end and the distal end along a longitudinal axis. The syringe includes a nozzle at a distal portion of the frustoconical distal end of the syringe, the nozzle having a throughbore providing fluid communication between an interior volume of the syringe and a medical connector configured to be connected to the nozzle. The nozzle includes a plurality of longitudinal ribs formed on an inner surface of the nozzle. The syringe is designed so that the plurality of longitudinal ribs directs a flow of a medical fluid along an inner surface of the frustoconical distal end and along an interior surface of the cylindrical sidewall of the syringe under a Coand{hacek over (a)} effect. Syringe and connector assemblies and methods for reducing a number of bubbles formed in a medical fluid during a syringe filling procedure are also described.

Abstract: A fill adapter for delivery of a medical liquid to a container has a body with a distal end, a proximal end, and a central bore extending between the distal end and the proximal end along a longitudinal axis. The central bore has an angled portion at the proximal end of the body such that a diameter of the central portion increases at the angled portion in a direction from the distal end to the proximal end. The fill adapter further has a flow controller disposed within the central bore at a distal end of the angled portion such that a gap is formed between an outer surface of the flow controller and an inner surface of the central bore. The flow controller is shaped to direct liquid flowing through the central bore to flow through the gap and along the angled portion of the central bore under a Coand? effect.

Abstract: A fluid injector having at least one injector head with a front end configured to releasably receive the at least one syringe is described. The fluid injector further includes at least one pressure jacket releasably associated with the front end of the at least one injector head for securing the at least one syringe during an injection procedure. A connection mechanism releasably connects the at least one pressure jacket to the front end of the at least one injector head. The connection mechanism includes at least one electromagnet.

Abstract: A medical connector assembly for establishing a fluid connection between a first medical device and a second medical device includes a multi-use connector and a plurality of single-use connectors connected in series. The multi-use connector has a proximal end opposite a distal end along a longitudinal length thereof. The plurality of single-use connectors each have a proximal end opposite a distal end along a longitudinal length thereof. The distal end of the multi-use connector is releasably connected to the proximal end of a first of the serially-connected single-use connectors. When a second of the serially-connected single-use connectors is disconnected from the first single-use connector, the first single-use connector remains connected to the multi-use medical connector as a sterility retaining cover.

Abstract: A cap for intake and delivery of a fluid from a syringe is described. The cap includes an outer cap assembly comprising a fluid inlet path and a fluid outlet path and an inner cap assembly configured for innertion into a fluid nozzle of the syringe and to provide selective fluid communication between an interior of a syringe and the fluid inlet path or the fluid outlet path. The outer cap assembly is slidable relative to the inner cap assembly between a first filling position, where the interior of the syringe is in fluid communication with the fluid inlet path, and a second delivery position, where the interior of the syringe is in fluid communication with the fluid outlet path. The outer cap may further slide, relative to the inner cap assembly, to a third closed position where the interior of the syringe is fluidly isolated from the fluid inlet path and the fluid outlet path. Syringes including the cap are also described.

Abstract: A plunger for use with a syringe has a plunger body with a proximal end, a distal end, and a circumferential sidewall extending between the proximal end and the distal end along a plunger longitudinal axis. The plunger further has at least one resiliently deflectable retaining member having a first segment attached to the plunger body and a second segment protruding toward the distal end of the plunger body and deflectable relative to the first segment. The plunger further has at least one actuation member associated with the at least one resiliently deflectable retaining member. The at least one actuation member interacts with a piston to deflect the at least one resiliently deflectable retaining member upon rotation of the plunger relative to the piston. The plunger is engageable with the piston regardless of a rotational orientation of the piston relative to the plunger.

Abstract: A multi-dose disposable fluid delivery system includes at least one fluid container, a multi-use fluid path set, and a plurality of single-use fluid path sets. The at least one fluid container has a connection port configured for fluidly connecting with a first end of the multi-use fluid path set. The second end of the multi-fluid path set is configured for fluidly connecting to a fluid injection apparatus. The plurality of single-use fluid path sets is connected in sequence to define a fluid path extending from a first single-use fluid path set to a last single- use fluid path set. Each of the plurality single-use fluid path sets has a first end and a second end. The first end of the first single-use fluid path set is configured for connecting to a delivery line. The second end of the last single-use fluid path set is configured for connecting to the injection apparatus.

Abstract: An engagement mechanism associated with a reciprocally movable piston of a fluid injector is configured for releasably engaging an engagement portion at a proximal end of a rolling diaphragm syringe having a flexible sidewall configured for rolling upon itself when acted upon by the piston. The engagement mechanism has a plurality of engagement elements reversibly and pivotally movable about a pivot pin relative to the engagement portion of the syringe between a first position, where the plurality of engagement elements are disengaged from the engagement portion of the syringe, and a second position, where the plurality of engagement elements are pivotally movable about the pivot pin in a radially inward direction to engage with the engagement portion of the syringe. The engagement mechanism further has a drive mechanism for moving the plurality of engagement elements between the first position and the second position.

Abstract: A bolus control device for use with an injection device, the bolus control device including a valve body having a proximal end opposite a distal end. The valve body defines a fluid channel therethrough to allow a passage of medical fluid from the proximal end to the distal end. A connector is provided at the proximal end and configured for connecting to a fluid inlet line. A connector subassembly is provided at the distal end and configured for connecting to a fluid outlet line. A compressible check valve is disposed within the fluid channel, such that the compressible check valve is adjustable to control a cracking pressure at which the compressible check valve closes.

Abstract: A plunger for use with a syringe has a plunger body with a proximal end, a distal end, and a circumferential sidewall extending between the proximal end and the distal end along a plunger longitudinal axis. The plunger further has at least one resiliently deflectable retaining member having a first segment attached to the plunger body and a second segment protruding toward the distal end of the plunger body and deflectable relative to the first segment. The plunger further has at least one actuation member associated with the at least one resiliently deflectable retaining member. The at least one actuation member interacts with a piston to deflect the at least one resiliently deflectable retaining member upon rotation of the plunger relative to the piston. The plunger is engagable with the piston regardless of a rotational orientation of the piston relative to the plunger.

Abstract: An engagement mechanism associated with a reciprocally movable piston of a fluid injector is configured for releasably engaging an engagement portion at a proximal end of a rolling diaphragm syringe having a flexible sidewall configured for rolling upon itself when acted upon by the piston. The engagement mechanism has a plurality of engagement elements reversibly and radially movable relative to the engagement portion of the syringe between a first position, where the plurality of engagement elements are disengaged from the engagement portion of the syringe, and a second position, where the plurality of engagement elements are engaged with the engagement portion of the syringe. The engagement mechanism further has a drive mechanism for moving the plurality of engagement elements between the first position and the second position.

Abstract: A bolus control device for use with an injection device includes a valve body having a proximal end opposite a distal end. The valve body defines a fluid channel therethrough to allow a passage of medical fluid from the proximal end to the distal end. A connector at the proximal end and is configured for connecting to a fluid inlet line. A connector subassembly at the distal end and is configured for connecting to a fluid outlet line. A compressible check valve is disposed within the fluid channel, such that the compressible check valve is adjustable to control a cracking pressure at which the compressible check valve closes.

Abstract: A fluid control valve for use in a fluid delivery system for delivering fluid to a patient includes a valve body defining an internal chamber, a first inlet port for receiving a first inlet tube, a second inlet port for receiving a second inlet tube, an outlet port, and a sliding valve member slidably disposed in the internal chamber. The first inlet tube defines a first inlet lumen axially aligned with the internal chamber. The second inlet tube defines a second inlet lumen axially aligned with the internal chamber. The sliding valve member includes a first sealing end and second sealing end. The sliding valve member is positionable in a first operating state, a second operating state, and a third operating state based on a flow differential between the first inlet lumen and the second inlet lumen.

Abstract: A pressure jacket configured for connecting to an injector head of a fluid injector has an open distal end, an open proximal end, and a sidewall defining a throughbore extending between the distal end and the proximal end along a longitudinal axis. The throughbore is configured for receiving at least a portion of a syringe. The pressure jacket has at least one syringe retaining element positioned at least partially within the throughbore. The at least one syringe retaining element is configured for engaging at least a portion of the syringe during pressurized delivery of fluid from the syringe to prevent or limit a distal movement of the syringe relative to the pressure jacket.

Abstract: A fluid injector having at least one injector head with a front end configured to releasably receive the at least one syringe is described. The fluid injector further includes at least one pressure jacket releasably associated with the front end of the at least one injector head for securing the at least one syringe during an injection procedure. A connection mechanism releasably connects the at least one pressure jacket to the front end of the at least one injector head. The connection mechanism includes at least one electromagnet.

Abstract: An attachment device for connecting a fluid path set to a medical container includes a body having a pointed distal end configured for puncturing a membrane of the medical container and a proximal end configured for connecting to the fluid path set. The attachment device further includes a fluid channel extending along a longitudinal axis of the body between the distal end and the proximal end. The fluid channel is configured for delivering a medical fluid between the medical container and the fluid path set. At least one deflectable retaining element projects from the body of the attachment device between the distal end and the proximal end. The at least one retaining element is configured from non-removably retaining the attachment device with the medical container after the attachment device is connected to the medical container.

Abstract: A fill adapter for delivery of a medical liquid to a container has a body with a distal end, a proximal end, and a central bore extending between the distal end and the proximal end along a longitudinal axis. The central bore has an angled portion at the proximal end of the body such that a diameter of the central portion increases at the angled portion in a direction from the distal end to the proximal end. The fill adapter further has a flow controller disposed within the central bore at a distal end of the angled portion such that a gap is formed between an outer surface of the flow controller and an inner surface of the central bore. The flow controller is shaped to direct liquid flowing through the central bore to flow through the gap and along the angled portion of the central bore under a Coand? effect.