Abstract: An infusion pump includes upstream and downstream valves, a pressing surface disposed between the valves which presses on an infusion tube, a pressure sensor which measures pressure within the infusion tube, and a controller. In response to the pressure, the controller determines that there is an occlusion in the infusion tube downstream of the downstream valve, and in response thereto, toggles the upstream valve and the downstream valve. The toggling includes sequentially, (a) while the upstream valve remains closed, isolating a segment of the infusion tube between the valves by closing the downstream valve, (b) while the downstream valve remains closed, reducing pressure in the isolated segment by opening the upstream valve, (c) while the downstream valve remains closed, closing the upstream valve, and (d) while the upstream valve remains closed, reducing pressure downstream of the downstream valve by opening the downstream valve. Other applications are also described.

Abstract: Disclosed is a medical device for pumping fluid through a conduit, the pump including: one or more sensors to detect a parameter associated with the fluid; a circuit to (a) receive from the sensor a first signal indicative of one or more characteristics associated with the fluid; and (b) to determine if an occlusion is indicated based on a signal analysis of the first signal.

Abstract: The present invention includes methods, circuits, devices, assemblies, systems and associated computer executable code for monitoring medical conduits, sensing and measuring parameters of fluids (liquid and/or gas) within medical conduits and/or processing sensed/measured parameters of fluids within medical conduits. The present invention further includes medical infusion devices and/or systems including the monitoring, sensing, measuring and analyzing devices and methods described herein.

Abstract: A medical device includes an interface unit body, which is configured to hold a portion of a flexible infusion tube. A hinge insert is fixed to the interface unit body and is configured to engage a hinge receptacle, which defines a hinge axis, on an infusion pump. A catch insert is fixed to the interface unit body and is configured to lock onto a catch receptacle on the infusion pump upon rotation of the mechanical interface unit about the hinge axis while the hinge insert engages the hinge receptacle, so as to bring the tube into engagement with a peristaltic mechanism of the infusion pump in order to enable the peristaltic mechanism to propel a fluid through the tube.

Abstract: The present invention includes a finger-type peristaltic pump with a ribbed anvil. According to some embodiments, a finger type peristaltic pump may comprise a plurality of pressing fingers, an infusion tube and a passive interfacing mechanism. The passive interfacing mechanism may comprise a channel, groove or other suitable mount for placing and mounting an infusion tube such that the pressing fingers are positioned on one side of the tube and the ribbed anvil on the opposite side. The pressing fingers may be positioned to apply an approximately perpendicular force on the tube, pressing it against the ribbed anvil, thus causing a pumping action.

Abstract: Disclosed is a medical device, including: a therapeutic component adapted to provide therapeutic functionality while in therapeutic mode and further adapted to enter a device sleep mode (DSM), an accelerometer configured to identify a movement characterization of the therapeutic component and a movement analysis module (MAM) configured to receive the movement characterization from the accelerometer and determine a malfunction parameter wherein the MAM is operable while the therapeutic component is in the DSM.

Abstract: Disclosed is an infusion pump which may include a native pumping mechanism to drive fluids through a functionally associated conduit, at least one native sensor to sense a physical characteristic of the fluid within the conduit and computing circuitry having a decalibration test mode to determine whether the infusion pump is decalibrated. The computing circuitry may be adapted to receive output from at least one native sensor during the decalibration test mode.

Abstract: Disclosed is a medical device including a therapeutic component to provide one or more therapeutic functionalities during whilst in therapeutic mode, and may further enter into a device sleep mode (DSM), a transceiver configured to provide the medical device with wireless connectivity and which may further transition into a transceiver sleep mode (TSM) substantially concurrent with transition into DSM, the transceiver may intermittently transition between TSM and a scan mode, during which scan mode the transceiver may listen for a wireless packet addressed to the transceiver, and a localization module which may emit a discovery signal upon receipt of the wireless packet addressed to the transceiver.

Abstract: A medical device includes an interface unit body, which is configured to hold a portion of a flexible infusion tube. A hinge insert is fixed to the interface unit body and is configured to engage a hinge receptacle, which defines a hinge axis, on an infusion pump. A catch insert is fixed to the interface unit body and is configured to lock onto a catch receptacle on the infusion pump upon rotation of the mechanical interface unit about the hinge axis while the hinge insert engages the hinge receptacle, so as to bring the tube into engagement with a peristaltic mechanism of the infusion pump in order to enable the peristaltic mechanism to propel a fluid through the tube.

Abstract: A peristaltic pump which includes: (a) a plurality of effecters, actuated in a periodic manner upon by obstructive forces of a flexible infusion tube so that flow of infusion fluid is provided along the infusion tube, the magnitude of the obstructive forces are dependent upon the displacement of the moving effecters, and (b) a plurality of balancing magnets providing balancing forces upon one or all of the moving effecters, the balancing forces at each point along the path of motion of the moving effecters being of approximately equal magnitude to that of the obstructive forces at the point, such that the parasitic output due to work performed against the obstructive forces is approximately zero and yield is maximized.

Abstract: An intravenous pump system includes an intravenous pump having an air bubble detector, a separate air trap module and a patient line. The air trap module is connectable to a set interface upon which the pump can operate. The air trap module includes an air chamber capable of receiving fluids and air, a plurality of valves controlling the flow of the fluids and air, and an air vent. The patient line is connectable to the air trap module and to a patient. The air trap module includes an actuator to control the state of the valves to enable, at least during a venting mode, the pump to push air out of the air chamber via the vent without disconnecting the patient from the patient line.

Abstract: The invention provides a finger-type peristaltic pump (2) having a body (4) and a housing (6). The body contains two or more finger-type valves (16) and a processor (22) configured to operate the valves according to a predetermined temporo-spatial pattern. The housing has a passageway (18) configured to receive a conduit. The housing has a first position in which a conduit in the passageway is positioned adjacent to the valve fingers, and a second position in which a conduit in the passageway is not adjacent to the valve fingers. The invention also provides a housing for use in the pump of the invention.

Abstract: The present invention discloses an anti-free flow mechanism for a finger-type peristaltic infusion pump (DDS) and methods for avoiding anti-free-flow. The mechanism comprises: a passive mechanical interface (MS) which integrally accommodates a portion of the flexible infusion tube, and an anti-free flow valve (AFFV) which is a spring-activated latch, which is incorporated within said MS. The maneuverable latch is secured in the MS either in CLOSED or OPEN configurations: in its CLOSED configuration no flow is provided, and in its OPEN configuration, a free flow is facilitated. Said anti-free flow mechanism is configured in a manner such that when the MS is not properly mounted in the DDS, said AFFV is automatically actuated via one or more integrated springs, to its CLOSED configuration. When the MS is properly mounted in the DDS, said latch is adapted to be automatically switched to the OPEN configuration.

Abstract: Disclosed is a medical device with a display and a therapeutic component to provide therapeutic functionality, and a controller to regulate operation of the therapeutic component and including processing logic to: (a) generate and render on the display an optical symbol indicative of an intended operational state of the therapeutic component; (b) receive from a user an operation code, and (c) responsive to validation of the operation code to enable the intended operational state.