A medical device controller operating in conjunction with a medical device determines one or more current versions of executable code associated with one or more processors in a medical device. Medical devices may include infusion pumps, other patient treatment devices as well as vital signs monitors. The medical device controller determines one or more current versions of executable code and configuration information associated with the one or more processors in the medical device. The medical device controller further determines which of the processors in the medical device require updated executable code, and which of the processors in the medical device require updated configuration information. The medical device controller distributes to the medical device as required at least one of the updated executable code and the updated configuration information. The medical device deploys the distributed updates, and activates the updates at a clinically appropriate time.

Disclosed is a method for initializing an ambulatory infusion system. The method includes providing a liquid drug cartridge including a cartridge body, and a cartridge piston. The method further includes providing a dosing unit including a metering pump unit with a dosing cylinder and a dosing piston. The dosing unit further includes a valve unit configured for switching between a filling state and a draining state. The filling port being fluidically coupled with the dosing cylinder in the filling state and the draining port is fluidically coupled with the dosing cylinder in the draining state. The method further includes a) exerting an initialization force displacing the cartridge piston, and b) increasing a fluidic volume of the dosing cylinder by displacing the dosing piston, thereby sucking liquid out of the liquid drug cartridge into the dosing cylinder and further displacing the cartridge piston, without the initialization pushing force being exerted.

A fluid distribution system for delivering fluid internally of a body comprises a hollow needle and an implantable access port. The needle has a tip with a predetermined shape. The access port includes (a) a housing that includes at least two fluid outlets, (b) a septum received in the housing, and (c) a valve member rotatable in the housing. The valve member includes valve fluid inlet and outlet openings and a valve inlet passage extending from the inlet opening to the outlet opening. The valve inlet passage has a shape complementary to the shape of the needle tip. The valve member is rotatable into (i) a first position in which the valve fluid outlet opening communicates with a first housing fluid outlet and (ii) a second position in which the valve fluid outlet opening communicates with a second housing fluid outlet.

Disclosed are examples of valve systems and methods of operating the respective valve systems. An example valve system may include a valve body, an inlet component, an outlet component and a valve tube. The valve body may include a first void and a second void. The inlet component may be coupled to the first void and the outlet component may be coupled to the second void. The valve tube may include a side port and may be positioned through the valve body and coupled to the first void, the inlet component, the second void, and the outlet component. Other valve system examples may include including a valve body, a first septum, a second septum, a first piston, a second piston and a tube. The disclosed methods describe the interaction of the respective components of the respective valve system example.

Embodiments of the present disclosure relate to techniques, processes, devices or systems for pump devices for providing a fixed volume of fluid, which is delivered and refilled within one pumping cycle. In one approach, a wearable drug delivery device may include a reservoir configured to store a liquid drug, and a drive mechanism coupled to the reservoir for receiving the liquid drug. The drive mechanism may include a housing defining a chamber, the housing including an inlet valve operable to receive the liquid drug and an outlet valve operable to expel the liquid drug from the chamber, and a resilient sealing member within the chamber. The drive mechanism may further include a shape memory wire coupled to the resilient sealing member, wherein the shape memory wire is operable to bias the resilient sealing member within the chamber.

A delivery assembly includes a console including a vial containment region and a vial engagement mechanism extending from the console within the vial containment region. The engagement mechanism is configured to engage a vial assembly including a particulate material. The delivery assembly further includes a multi-port needle with a top distal port and bottom proximal port(s), the needle configured to puncture a septum of the vial assembly when the vial assembly is in the locked position, in which the top distal port is at a distance above the particulate material in the vial assembly. The ports are configured to inject a fluid into the vial assembly to mix with the particulate material upon actuation of the vial engagement mechanism in a first direction and to receive a resulting mixed fluid from the vial assembly upon actuation of the vial engagement mechanism in a second opposite direction.

Embodiments of the present disclosure relate to techniques, processes, devices or systems for pump devices. In one approach, a wearable drug delivery device may include a reservoir configured to store a fluid, the reservoir including a housing defining an interior chamber. The wearable drug delivery device may further include a drive device for driving the fluid from the reservoir, the drive device including a plunger head within the interior chamber of the housing, and a plunger shaft extending from the plunger head. The plunger shaft may include a first component adjacent a second component, wherein during movement of the plunger head in a first direction the first and second components engage one another to form a rigid portion of the plunger shaft, and wherein during movement of the plunger head in a second direction, opposite the first direction, the first and second components are separated from one another.

A repeater system may control a pump by using a repeater and a user interface. An adhesive patch system may be used for affixing a pump or other object to a human body. Such an adhesive patch system may include two sets of adhesive members, each member including an adhesive material on at least one side so as to attach to the body. The members of the first set are spaced to allow the members of the second set to attach to the body in spaces provided between the members of the first set, and the members of the second set are spaced to allow members of the first set to detach from the body without detaching the members of the second set. Also, fill stations and base stations are provided for personal pump systems.

Method and system for controllably administering and/or withdrawing fluid from a patient. In one embodiment, the system may include an infusion needle, a pump adapted to be operably coupled to the infusion needle for creating fluid flow through the infusion needle, and a hands-free switch for activating and/or deactivating the pump.

An actuator for synchronized injection and aspiration, comprising: a first rod, having a length equal to an inner length between a head of a first plunger of a first standard-size syringe and a seal of the first plunger, and having a width smaller than a gap created between the first plunger and a barrel of the first standard-size syringe; a second rod, having a length equal to an inner length between a head of a second plunger of a second standard-size syringe and a seal of the second plunger, and having a width smaller than a gap created between the second plunger and a barrel of the second standard-size syringe; a flexible connector mechanically attached to a distal end of the first rod at a first end and to a distal end of the second rod at a second end.