Abstract: A method for printing a Zigbee install code includes reading the Zigbee install code from a Zigbee device via a radio interface and printing the Zigbee install code. The Zigbee install code can be read from the Zigbee device before or after assembly of the Zigbee device has been completed.

Abstract: A medical monitoring system increases patient safety and confidence. The system has a disposable injection device with a container holder for holding a container such as a cartridge or a syringe with a liquid drug for subcutaneous injection. The system includes a passive machine-readable tag mounted to a device housing of the injection device and coding or storing drug information about the drug in the container. The system also includes an electronic module or supplemental device releasably attachable to the injection device. The electronic module comprises injection status sensing means for monitoring a status of an injection or for tracking progress of a medication event, as well as a tag reader different from the sensing means for reading drug information from the machine-readable tag. The system includes a drug status signaling or interfacing unit for signaling to a user a drug status based on, or derived from, the drug information.

Abstract: A pump device (1) for administering a medical fluid to a patient (4), comprises a housing 5 (10), a pumping mechanism (12) for pumping a medical fluid through an infusion line (3) toward a patient (4), and a handset (16) for entering a control command for controlling an operation of the pumping mechanism (12). Herein, a storage device (15) is arranged on the housing (10) and comprises a receptacle (150) defining a cavity (151) therein for receiving the handset (16). In this way a pump device is provided which allows for improved comfort in particular when using the pump device in a healthcare environment, for example at the bedside of a patient.

Abstract: A microfluidic pressure sensor may include a reference chamber, a sensed volume, a microfluidic channel connecting an interior of the reference chamber to an interior of the sensed volume, a volume of liquid contained and movable within the microfluidic channel while occluding the microfluidic channel and a sensor to output signals indicating positioning of the volume of liquid along the microfluidic channel. Positioning of the volume of liquid along microfluidic channel indicates a pressure of the sensed volume.

Abstract: A fluid pressurizing and displacement device which is configured for both macro movement and micro movement of a plunger. In order to execute micro movement of the plunger, a user need only rotate the plunger; to execute macro movement of the plunger, a user need only push or pull the plunger. This simplicity in use is possible because a half-nut (or other suitable structure within the device) remains engaged with the plunger, except when the plunger is being pushed or pulled by its operator. All user motions are simple and intuitive.

Abstract: A medicament delivery device (IO) is presented having a housing and a medicament container holder arranged movable in relation to the housing and capable of accommodating a medicament container. The device also has an activator having a plunger rod arranged to be moved in the proximal direction of the medicament delivery device by the activator to act on a stopper in the medicament container for delivering a dose of medicament through a medicament delivery member when the activator is operated. A delay mechanism is also arranged between the activator and the plunger rod, which is provided with delay elements allowing movement of the activator in the proximal direction after movement of the plunger rod has terminated.

Abstract: A flow switching device for catheterization via a three way catheter has a housing with four openings, and first, second and third distal hydraulic conduits originating at the first, second and third openings, respectively. A switch enables changes among a first operative configuration wherein the first and third openings are in communication, a second operative configuration wherein the second and fourth openings are in communication, and a third operative configuration wherein the first and second openings are in communication, and a fourth operative configuration wherein the second and third openings are in communication. A hydraulic bifurcation with a respective proximal hydraulic branch originates from the fourth opening, and fourth and fifth distal hydraulic conduits originating distally from the proximal hydraulic branch are in fluid dynamical communication with each other.

Abstract: A drug delivery device includes a piston rod which extends along a longitudinal axis of the drug delivery device, wherein the piston rod is adapted to apply an axial load in the distal direction to a cartridge bung in order to dispense a medicament contained in the cartridge. In order to improve the convenience of the injection process and to mitigate the risk of underdosing due to a blocked needle a cartridge bung load indicator is provided, located at the distal end of the piston rod and adapted to abut against the cartridge bung, wherein the cartridge bung load indicator comprises an indicator element that audibly, tangibly and/or visually indicates a load state of the piston rod to the user.

Abstract: An infusion pump drive and its methods of use are disclosed. In one embodiment, the infusion pump drive may include a transmission component and a spring in line with the transmission component. Displacing the transmission component may compress the spring to apply a force causing fluid to dispense from an associated reservoir. Depending on the particular embodiment, the transmission component may either be displaced continuously or displaced multiple times to dispense fluid from the reservoir.

Abstract: A method of operating a pump can include advancing a stepper motor one or more additional steps in a first direction after detecting a first change in a limit sensor state corresponding to a piston reaching an end of its travel in a first direction. After advancing the stepper motor the additional step or steps in the first direction, the stepper motor can be reversed and advanced in a second direction until a second change in the limit sensor state is detected. The stepper motor can then be advanced in the second direction a predetermined number of steps associated with a full travel of the piston.

Abstract: Devices and methods for tissue transfer are described where a cannula may be inserted into the breast of a subject at one of several points of entry. Insertion of the cannula into the breast may be accomplished by using a guidance system to distinguish between tissue types. Once desirably positioned, the cannula may be withdrawn from the breast while automatically (or manually) injecting the fat in multiple deposits of adipose tissue or fat such that the deposited fat remains within the tract formed by the withdrawn cannula. Multiple tracts of the deposited fat may be injected within the breast until the breast has been desirably remodeled and/or augmented.

Abstract: Embodiments of the invention include an endoscope including a distal chamber and related methods of use, for example, with an endoscopic instrument.

Abstract: A method for detecting an occlusion in an infusion line (3) connected to an infusion device (1) comprises: measuring a force (F) applied to a piston (21) by a pusher device (12) of an infusion device (1) for moving the piston (21) along a movement direction (X) into a cylindrical tube (20) in order to deliver a medical fluid from the cylindrical tube (21) towards an infusion line (3) connected to the cylindrical tube (20); calculating, from the measured force (F), a value indicative of a pressure (P) in the cylindrical tube (20), wherein for calculating said value indicative of said pressure (P) a frictional force value (F0) indicative of a friction of the piston (21) relative to the cylindrical tube (20) is taken into account; and comparing said value indicative of said pressure (P) to a threshold value to determine whether an occlusion is present in the infusion line (3).

Abstract: A controller for a programmable medical pump is configured to select a drug library file that corresponds to a received medication name and determine a number of times status information is received within a designated time period from a current time during an infusion therapy. The example controller is also configured to determine if the number of times the status information is received comports with an accumulated medication dosage limit using a dose per administration program parameter. Responsive to the number of times the status information is received matching or exceeding the accumulated medication dosage limit, the controller is configured to prevent another administration of the medication until enough time has passed such that the number of times the status information has been received within the designated time period from the current time is less than the accumulated medication dosage limit.

Abstract: There is provided a computer-implemented method for controlling dispensing of at least one biologically active agent in intermittent doses over discrete predefined time periods, comprising the steps of: (i) initiating the dispensing of the biologically active agent in intermittent doses at a first background dosage rate; and (ii) adjusting to a background dosage rate according to the number of input signals received over each predefined time period from a signalling device.

Abstract: An inflator comprises a body, a first drive member, and a second drive member. The body defines a reservoir that is configured to hold fluid and includes an outlet. The first drive member is operable to move through the reservoir to drive fluid from the reservoir through the outlet. The second drive member is engaged with the first drive member. The second drive member is movable relative to the body through a first range of motion to actuate the first drive member to drive fluid through the outlet at a first rate. The second drive member is movable relative to the body through a second range of motion following the first range of motion. The first drive member is configured to either drive fluid through the outlet at a second rate or not drive fluid through the outlet as the second drive member moves through the second range of motion.

Abstract: Systems for managing pressure in a fluid reservoir chamber of a fluid infusion device are provided. For example, a fluid infusion device is provided. The fluid infusion device comprises a housing defining a reservoir chamber for receiving a fluid reservoir. The fluid infusion device also comprises a drive system contained within the housing for dispensing fluid from the fluid reservoir. The fluid infusion device comprises a pressure management system at least partially defined in the reservoir chamber to manage air pressure in the reservoir chamber.

Abstract: Present invention relates to a method of controlling the discomfort level experienced by a subject. The method comprises receiving a signal from the subject to initiate comfort relief, determining vital sign data of the subject, determining whether the vital sign data fulfills a predetermined criterion, and performing an infusion regime of infusing a comfort relief drug into the subject based on whether the vital sign data fulfills the predetermined criterion.

Abstract: In various embodiments, an implantable pump includes a cannula. The pump (e.g., the cannula thereof) may include, for example, flow sensors, pressure sensors, filters, and/or other components.

Abstract: A flush syringe assembly comprises a barrel including a cylindrical side wall having an inside surface defining a chamber for retaining fluid, an open proximal end and a distal end having a passageway therethrough in fluid communication with the chamber. A plunger including an elongate body portion having a stopper at its distal end is provided. The stopper is slidably positioned in fluid-tight engagement with the inside surface of the barrel for driving fluid out of the chamber through the passageway. The stopper includes a distal portion and a proximal portion separated by a spring element and configured to compress when fluid is being driven through the passageway by motion of the plunger and to continue to drive fluid through the passageway after motion of the plunger has stopped.

Abstract: A method for controlling intraocular eye pressure via fluid exchange in the body is presented. The method may comprise providing a system to sense and regulate pressure, then implanting the system into the eye. The system may comprise four main components: a cannula, a sensor, a controller and a pump. The method works to engage in a fluid exchange which slowly increases/decreases intraocular pressure until a desired level is reached. Once the desired level is reached, the intraocular pressure is held steady and any external pressure perturbations are removed.

Abstract: A method, device, and computer program product for managing alarms during a care process are disclosed. Care is provided to a subject according to settings of at least one care device and physiological parameters obtained from the subject are monitored, wherein the monitoring comprises triggering an alarm in response to detection of an alarm event. To enable smooth transfer from an alarm event to normal monitoring state, at least one available control option is determined for recovering from the alarm event. A user is prompted to select one of the at least one available control option, thereby to obtain a user-selected control option and the settings of the at least one care device are adjusted according to the user-selected control option.

Abstract: A method of treating a prostate condition, including the steps of providing a needleless injector that includes a body at a proximal end, an injection shaft extending from the body to a distal end of the injection shaft, an injection orifice at the distal end of the injection shaft and positioned for fluid ejection in a lateral direction relative to a longitudinal axis of the injection shaft, a pressure source in communication with the fluid chamber, and an extendable tissue tensioner located at the distal end of the injection shaft proximal to the injection orifice; inserting the injection shaft into a urethra so the injection orifice is located within the prostatic urethra; actuating the tissue tensioner to contact urethral tissue, and injecting fluid from the injection orifice into the prostate.

Abstract: At least one dosing unit for an infusion pump is disclosed having a piston pump with a pump cylinder, a plunger arranged within said cylinder, and a plunger driving part provided for transmitting rotational torque from a driving unit to the plunger without itself being linearly displaced. The cylinder, the plunger and the plunger coupling element are coaxially arranged along a longitudinal axis and rotatable around said axis in regard to static parts of the dosing unit. The plunger and cylinder each having threads which engage with each other in such a way that a rotational movement of the plunger around the longitudinal axis results in a linear displacement of the plunger along the longitudinal axis. The dosing unit also having first coupling parts associated with the cylinder and second coupling parts associated with the plunger.

Abstract: An injection device (10) for administering a liquid has a barrel (12) with an outlet (20) for the liquid, and a piston (14) arranged in the barrel (12). The piston is designed to force the liquid out from the outlet (20) by displacement into the barrel (12). The injection device (10) has a pressure relief means (16) with a sensor (24) and with an actuator (26). The sensor (24) detects the pressure of the liquid in the barrel (12) directly or indirectly. The actuator (26) prevents a further increase in the pressure of the liquid.

Abstract: In various embodiments, a handpiece may include an irrigation line coupled to an adjacent line reservoir with a piston configured to move within the adjacent line reservoir to increase an irrigation pressure in the irrigation line near a surgical site. In some embodiments, a sensor may be used to detect an occlusion break in the aspiration line and information from the sensor may result in signaling an actuator to move the piston in response to the occlusion break detection to compensate for a vacuum pressure drop associated with the occlusion break. The handpiece may further include a purge bypass line between the irrigation line and the adjacent line reservoir to allow flow from the irrigation line to travel through the adjacent line reservoir to purge the adjacent line reservoir.

Abstract: A fluid delivery system includes a pressurizing mechanism. The pressurizing mechanism includes: a substantially cylindrical body having a movable member positioned therein that divides the body into a first chamber and a second chamber; a plunger rod connected to a first side of the movable member and extending through a substantially closed first end of the body; and an elongated member connected to a second side of the movable member and extending through a substantially closed second end of the body. The plunger rod configured to operatively engage a fluid container. Fluid is dispensed from the fluid container by forming a vacuum within at least the first chamber by moving the movable member toward the second end of the body, allowing atmospheric pressure to enter the second chamber, and actuating the pressurizing mechanism to cause the moving member to move towards the first end of the body.

Abstract: A needleless injector including a body including a fluid chamber; an outer shaft extending from an outer shaft proximal end to an outer shaft distal end, wherein the outer shaft includes an outer shaft lumen to accommodate an injection shaft; an injection shaft located within the outer shaft lumen and moveable lengthwise and/or rotationally within the outer shaft lumen, wherein the injection shaft includes an injection shaft proximal end, an injection shaft distal end, an injection shaft terminus, and an injection lumen. The injector further includes an injection orifice at the distal end of the injection shaft and in fluid communication with the fluid chamber through the injection lumen; a pressure source in communication with the fluid chamber; and an optical device that allows viewing a location at a distal end of the device.

Abstract: A jet injector that includes a prefilled syringe. The syringe includes a fluid chamber that contains a medicament. The syringe also has an injection-assisting needle, and a plunger is movable within the fluid chamber. A housing is configured for allowing insertion of the needle to a penetration depth. An energy source is configured for biasing the plunger to produce an injecting pressure in the medicament in the fluid chamber of between about 80 and 1000 p.s.i. to jet inject the medicament from the fluid chamber through the needle to an injection site.

Abstract: A syringe having an internal pressure gauge comprises a syringe barrel; a piston within the barrel; a spring coupled to the piston at a first position of the spring, the spring having a second portion that is movable in response to fluid pressure within a syringe cavity; and a pressure gauge having an indicator correlated to a plurality of positions of the second portion of the spring to indicate a pressure of a fluid. The spring can be a bellows. The first portion of the spring can be coupled to the piston to form a sliding seal with an inner wall of the syringe, and the second portion of the spring can move longitudinally within the syringe without sealing contact.

Abstract: An injector system for delivery of a pharmacological agent to biological tissue having a plurality of needles arranged in an array, a plurality of reservoirs configured to receive a pharmacological composition therein, the reservoirs being in fluid communication with a respective one of the plurality of needles, a pneumatic pressure source, a pneumatic drive system that is configured to induce a first discharge of the pharmacological composition out of the reservoirs and needles in a plurality of delivery modes, agent delivery volume control means for controlling volume of the pharmacological composition discharged from the needles, and a control system having actuation control means for controlling said pneumatic drive system. The control system is programmed to control the delivery modes.

Abstract: The present disclosure describes an injection pressure monitoring device including a pressure sensor, an injection pressure monitoring system and kits for monitoring injection pressure generated at a needle tip when injecting a therapeutic fluid composition into tissue, to avoid generating potentially damaging pressure in the tissue being treated.

Abstract: A pressurized medical instrument may include a piston handle system, a locking release system and a pressure display system. The piston handle system may include a piston, a piston seal, a handle and a rear cover. The locking release system may include a push button, a fixed support, a locking block, one or more springs and a slide block. The pressure display system may include a coating, a gauge stand, a lateral board, a gauge stand seal ring, a pressure gauge seal ring, a snapper, a pressure gauge and a rotary Luer conical tapered fitting. The pressurized medical instrument may facilitate rapid boosting operation by two hands, vacuum pumping by two hands and rapid pressure relief by a single hand. The instrument is characterized by ease-of-operation, quick boosting and pressure relief for observing easily the pressure value at different operating angles.

Abstract: Devices and methods for tissue transfer are described where a cannula may be inserted into the breast of a subject at one of several points of entry. Insertion of the cannula into the breast may be accomplished by using a guidance system to distinguish between tissue types. Once desirably positioned, the cannula may be withdrawn from the breast while automatically (or manually) injecting the fat in multiple deposits of adipose tissue or fat such that the deposited fat remains within the tract formed by the withdrawn cannula. Multiple tracts of the deposited fat may be injected within the breast until the breast has been desirably remodeled and/or augmented.

Abstract: A system in accordance with embodiments of the present invention includes a cannula interconnected to a collection vessel by a flexible conduit. The collection vessel can comprise an impermeable or permeable collection vessel. The collection vessel is contained within a collection container, and can feature a tapered end. An air inlet may be provided in the flexible conduit and/or in a collection canister lid.

Abstract: An environmentally sensitive hydrogel material swells or collapses in response to a parameter such as pH level associated with consumption of food by a patient. This swelling or collapsing is harnessed to treat morbid obesity or some other condition of the patient. The swelling or collapsing of the hydrogel may be used to tighten a gastric band or gastric valve when the patient starts eating; then loosen the band or valve when the patient is between meals. The swelling or collapsing of the hydrogel may also be used to increase the size of a space occupying device in the patient's stomach when the patient starts eating; then decrease the size of the space occupying device when the patient is between meals. The swelling or collapsing of the hydrogel may also be used to selectively restrict the absorption of nutrients within a patient's gastrointestinal tract, such as in the duodenum.

Abstract: Devices and methods for tissue transfer are described where a cannula may be inserted into the breast of a subject at one of several points of entry. Insertion of the cannula into the breast may be accomplished by using a guidance system to distinguish between tissue types. Once desirably positioned, the cannula may be withdrawn from the breast while automatically (or manually) injecting the fat in multiple deposits of adipose tissue or fat such that the deposited fat remains within the tract formed by the withdrawn cannula. Multiple tracts of the deposited fat may be injected within the breast until the breast has been desirably remodeled and/or augmented.

Abstract: The invention relates to a syringe, particularly an anesthetic syringe, having a longitudinally displaceable feeding piston disposed over a first hydraulic chamber, and a second hydraulic chamber, wherein the first and second hydraulic chambers are connected by means of a first control element for regulating resistance, wherein the first control element can be actuated by a switch element, wherein the first control element comprises a first check valve.

Abstract: A control circuit that operably couples to a display and to a nerve block injection pressure sensor provides a display of both a current nerve block injection pressure value and a current nerve block injection pressure categorical range. That categorical range can comprise, for example, one of a plurality of available categorical ranges which may be visually differentiated from one another by color. The control circuit can also detect (and display) a maximum nerve block injection pressure value (and/or calculate a mean nerve block injection pressure value) as corresponds to a given monitored nerve block injection procedure. The control circuit can also detect negative nerve block injection pressure events and identify those events as aspiration events to facilitate keeping a count of aspiration events during the course of a given nerve block injection procedure. The control circuit can also help ensure observe of the proper patient laterality if desired.

Abstract: A fluid collection system includes a disposable collection container and a disposable collection container receiving housing, the housing having a cavity and a suction source. The fluid collection container may include a flexible liner and a shelf for diverting fluid from the suction and to assist with a collapse of the liner during evacuation of the fluid from the liner. The collection container receiving housing may include a piston assembly having a main piston body and a scraper ring. The collection container receiving housing may include a piston stop feature. The system may include a partially hydrophobic filter and a flat surface suction tool.

Abstract: A system to minimize fluid turbulence inside a tissue cavity during endoscopic procedures. A body tissue cavity of a subject is distended by continuous flow irrigation using a solenoid operated pump on the inflow side and a positive displacement pump, such as a peristaltic pump, on the outflow side, such that the amplitude of the pressure pulsations created by the outflow positive displacement pump inside the said tissue cavity is substantially dampened to almost negligible levels. The present invention also provides a method for accurately determining the rate of fluid loss into the subject's body system during any endoscopic procedure without utilizing any deficit weight or fluid volume calculation, the same being accomplished by using two fluid flow rate sensors. The present invention also provides a system of creating and maintaining any desired pressure in a body tissue cavity for any desired cavity outflow rate.

Abstract: A syringe having an internal pressure gauge comprises a syringe barrel; a piston within the barrel; a spring coupled to the piston at a first position of the spring, the spring having a second portion that is movable in response to fluid pressure within a syringe cavity; and a pressure gauge having an indicator correlated to a plurality of positions of the second portion of the spring to indicate a pressure of a fluid. The spring can be a bellows. The fluid chamber can be in fluid communication with a cuff of an inflatable medical device, such as an endotracheal tube, such that the measured pressure comprises the fluid pressure within the cuff.

Abstract: Described are devices and methods related to the needleless injection of fluid into tissue of the lower urinary tract, such as the urethra and prostate.

Abstract: The present invention provides a surgical system 10 for aspiration of a biological material comprising a source of irrigation fluid 24, a collection cassette 30, a pump 40 for creating a vacuum in the collection cassette 30, a handpiece 50 applied to a surgical area for infusing irrigation fluid and for aspirating a biological material, conduits 60 and 62 connecting the handpiece to each of the source of irrigation fluid and the collection cassette and means 70 for isolating the pump from the handpiece to prevent creation of vacuum within the conduit 62 and the collection cassette 30 after receiving a stop signal.

Abstract: A chemical liquid injector comprises liquid syringe 200 and a chemical liquid injector. Liquid syringe 200 has cylinder member 210, a piston member and RFID tag 230 put on an outer circumference of cylinder member 210. The chemical liquid injector has cylinder holding mechanism 120 for holding cylinder member 210, a piston driving mechanism for driving the piston member and an RFID reader. The RFID reader has reader antennas 132L, 132R placed opposite to a tag antenna so as to be able to receive data from RFID tag 230 with cylinder member 210 is appropriately held by the cylinder holding mechanism. The piston driving mechanism is permitted to operate only when the RFID reader receives data from RFID tag 230.

Abstract: The present invention includes a harvesting and irrigation device, a method and a kit for the collection of viable fat cells and/or adipose tissue with decreased handing and improved yield and viability.

Abstract: A detection apparatus for, and a method of, detecting the location of the tip of a tubular element, in particular a needle, within a region, in particular one of the epidural space and the peritoneal cavity.

Abstract: A detection apparatus for, and a method of, detecting the location of the tip of a tubular element, in particular a needle, within a region, in particular one of the epidural space and the peritoneal cavity.

Abstract: Exemplary embodiments provide wearable automatic injection devices for subcutaneously injecting a therapeutic agent into a patient's body at controlled rates, for example, in a single bolus. Exemplary embodiments provide methods for assembling wearable automatic injection devices for subcutaneously injecting a therapeutic agent into a patient's body at controlled rates. Exemplary embodiments provide methods for using wearable automatic injection devices for subcutaneously injecting a therapeutic agent into a patient's body at controlled rates.

Abstract: The invention relates to a syringe, particularly an anesthetic syringe, having a longitudinally displaceable feeding piston disposed over a first hydraulic chamber, and a second hydraulic chamber, wherein the first and second hydraulic chambers are connected by means of a first control element for regulating resistance, wherein the first control element can be actuated by a switch element, wherein the first control element comprises a first check valve.