Abstract: Systems, components, and methods are disclosed for withdrawing drug from a liquid drug container and transferring drug to a medical device. One or more components may have keying features so that only the correct liquid drug container and medical device are accessed, making sure the medical device is filled with the correct drug. A syringe needle hub may have keying features corresponding to keying features on a cap on the liquid drug container and on the medical device. An alignment device facilitates easy-to-operate filling of a medical device. The alignment device aligns a liquid drug container over a fill port of the medical device and can include components for moving the liquid drug container into engagement with the medical device and for automatically initiating drug transfer to the medical device. A retractable skirt or needle cover protects the needle and is unlocked only when the skirt or needle cover is close to or touching the medical device.

Abstract: Disclosed are a method, device and system for determining a flow rate of an excretion stream within an excretion collection assembly. According to some embodiments of the present invention, one of the constituent elements of the collection assembly includes a sensing module which includes an electrical and/or electromechanical component.

Abstract: A medicinal device includes a first member; and a second member configured to be attachable to and detachable from the first member, the second member being a part of a medicinal-liquid administering device and including: a first member comprising a first-member-side power transmission part, and a second member comprising a second-member-side power transmission part; wherein the first-member-side power transmission part and the second-member-side power transmission part are configured to be engaged with each other for administering medicinal liquid into a living body; and wherein the second member is configured to open a housing covering the first-member-side power transmission part to engage the second-member-side power transmission part with the first-member-side power transmission part at a time of attaching the first member to the second member.

Abstract: Systems and methods are disclosed for controlling the flow of fluids in a fluid infusion system. The system may include first and second fluid containers, first and second tubes coupled to the first and second fluid containers, and an external valve coupled to the second tube and configured to be attached to the first tube. The valve may be configured to shape the first tube to form a valve region which is opened or closed by an actuating element in the valve that is driven by hydrostatic pressure from the second tube. A full second container may generate a pressure that is concentrated through a diaphragm onto a pin which presses on the shaped first tube region, closing it to allow only fluid from the second container to flow. When the fluid level in the second line falls reducing pressure, the pin's force reduces until the first tube is opened.

Abstract: A liquid medicine administration apparatus includes: a drive section; an operation section configured to operate a pusher member that is slidably located in a liquid medicine container; a transmission mechanism configured to transmit a driving force of the drive section to the operation section; an occlusion detection mechanism located in the transmission mechanism and configured to detect occlusion of a passage of liquid medicine administered from the liquid medicine container; a rotation detector configured to detect rotation of the drive section; and a notification section configured to notify a user when the rotation detector detects stoppage of rotation of the drive section.

Abstract: An oral rinsing apparatus that washes away plaque, bacteria, and food debris that might reside on the teeth and along the gumline includes a handle, a nozzle, and a water supply line. The handle is adjacently attached to the nozzle. The water supply line that is connected to the handle and positioned opposite to the nozzle. The water supply line is in fluid communication with an existing water source diverter and provides a stream of water into the handle and the nozzle. The stream of water then flows through a first channel of the handle and a second channel of the nozzle before discharges through a head of the nozzle. A flow-activation button of the handle turns on and off the stream of water that exits through the head as a plurality of flow control settings are integrated into the head.

Abstract: A portable irrigation system includes a reservoir for an irrigation liquid, a probe for arrangement in a user, an electrical system that directly or indirectly pumps the irrigation liquid from the reservoir to the probe, a control unit coupled to the electrical pump to control the electrical pump and to transfer the irrigation liquid, and tubing to provide fluid communication between the reservoir, the control unit and the probe. The control unit also includes at least one manually operable control element to control the electrical pump.

Abstract: Systems and methods for providing sensitive and specific alarms indicative of glycemic condition are provided herein. In an embodiment, a method of processing sensor data by a continuous analyte sensor includes: evaluating sensor data using a first function to determine whether a real time glucose value meets a first threshold; evaluating sensor data using a second function to determine whether a predicted glucose value meets a second threshold; activating a hypoglycemic indicator if either the first threshold is met or if the second threshold is predicted to be met; and providing an output based on the activated hypoglycemic indicator.

Abstract: A wearable infusion device for delivering medication into body of a user, the infusion device comprising a medication container containing a volume of medication to be dispensed; an infusion needle that is fully enclosed in a sterile environment until the infusion needle is inserted into underlying tissue; an infusion needle insertion mechanism associated with the infusion needle, powered by one or more mechanical springs, that when activated, inserts the infusion needle through the skin into underlying tissue; means for delivering medication out of the medication container and into underlying tissue via the infusion needle; and a housing associated with the medication container, the infusion needle, the infusion needle insertion mechanism and the means for delivering medication.

Abstract: A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. The cap and the infusion pump are each provided with at least one sensor or at least one detectable feature, arranged to interact with at least one corresponding detectable feature or sensor on the other of the cap and infusion pump device, to detect one or more of the presence, position or other characteristic of the cap when the cap is aligned or coupled with the infusion pump housing. The detectable feature and sensor may be magnetic, RF, mechanical, optical or any combination.

Abstract: The invention relates to a flexible catheter (1) with a drive shaft (2), with a sleeve (6) surrounding the drive shaft (2) and with a sheath (7) surrounding the drive shaft (2) and the sleeve (6), wherein the drive shaft, the sleeve (6) and the sheath (7) are pliable, wherein the drive shaft (2) at a proximal end of the drive shaft (2) comprises a coupling element (5) for connecting the drive shaft (2) to a drive motor (18), wherein the drive shaft (2) at least regionally consist of a alloy which contains at least 10% by weight of chromium, nickel and cobalt in each case. The invention moreover relates to a blood pump arrangement with such a catheter.

Abstract: An improved device delivers a fluid medicament to the subcutaneous tissue of a user. The device is better suited for patients with Parkinson's Disease and other central nervous system disorders, than conventional infusion devices. The device can include a reusable part including a drive component (e.g., motor) and control electronics and a disposable part including a medicament reservoir. Medicament can be evacuated from the medicament reservoir by a plunger assembly that includes a plunger attached to a lead screw that is rotated by a nut, all within the disposable part. The device can be fluidically coupled with the tissue via a flexible cannula. Various embodiments relate to an improved cannula insertion mechanism that delivers the cannula under a force applied by a spring. Various embodiments relate to improved filling of the device, for example, using a vial adapter and an automated filling station.

Abstract: A key integrates with a biometric input device. According to an aspect of the present disclosure, a fingerprint scanner may be integral with a spacebar.

Abstract: The present invention refers to a medical device for trans-dermal infusion of a medicament comprising a reservoir for holding a medicament to be infused, a pump for pumping medicament from the reservoir, wherein the device is assembled or adapted to be assembled in at least one pre-operational arrangement with or without the reservoir and is adapted to be rearranged from the at least one pre-operational arrangement into an operational arrangement comprising the reservoir. In particular, in the pre-operational arrangement without reservoir the pump is in a mechanically distressed condition preventing functional operation of the pump, and in the pre-operational arrangement comprising the reservoir the pump is in a mechanically distressed condition preventing functional operation of the pump and/or the reservoir is fluidically disconnected from the pump.

Abstract: A solution for injecting one or more fluids into a patient is proposed.

Abstract: A needle assembly for a hypodermic syringe is disclosed herein. In various aspects, the needle assembly includes a hub and a needle. A bond secures the needle to the hub, and the bond is configured to break allowing the needle to be withdrawn entirely from the hub upon application of a selected axial force to the needle, in various aspects. The axial force may be less than the tensile strength of the needle. Related methods of use of the needle assembly apparatus are disclosed herein. This Abstract is presented to meet requirements of 37 C.F.R. § 1.72(b) only. This Abstract is not intended to identify key elements of the apparatus and the related methods disclosed herein or to delineate the scope thereof.

Abstract: An at least partly implantable system for injecting a substance into a patient's body, in particular a penis erection stimulation system, comprises one or more long, flexibly bendable infusion needles, the tip ends of which are disposed within and implanted along with at least one first housing, in particular adjacent the patient's left and right corpora cavernosa. The respective other end or ends of the infusion needles are disposed and implanted along with at least one second housing remote from the first housing. A reservoir and a pump are also implanted inside the patient's body to supply the infusion needle with infusion liquid.

Abstract: Some embodiments of a portable infusion pump system can be configured to deliver medicine (e.g., insulin or the like) to a user and to deliver media content to a user. The media content can include, for example, MP3 music and other audio/video data stored in a memory device in the portable system. Thus, in particular embodiments, the portable infusion pump system can serve a dual purpose of providing medication and entertainment for the user from a compact and unobtrusive device.

Abstract: A fluid pump system having a first fluid pump for pumping fluid from a source to a surgical site and a second fluid pump for removing fluid from the surgical site at a first predetermined rate, wherein said fluid pump system intermittently operates in conjunction with a surgical tool which, when operational, removes fluid from the surgical site at a second predetermined rate greater than said first predetermined rate, the improvement including a sensor for sensing a predetermined parameter of the surgical tool and providing an output signal indicating that the surgical tool is operating; and an actuating means responsive to said output signal to actuate said second fluid pump to remove fluid from the surgical site at second predetermined rate.

Abstract: A computerized electro-mechanical drug delivery device configured to deliver at least one dose of two or more medicaments. The device comprises a control unit. An electro-mechanical drive unit is operably coupled to the control unit and a primary reservoir for a first medicament and a secondary reservoir for a fluid agent, e.g. a second medicament. An operator interface is in communication with the control unit. A single dispense assembly is configured for fluid communication with the primary and the secondary reservoir. Activation of the operator panel sets a first dose from the primary reservoir and based on the first dose and a therapeutic dose profile, the control unit is configured to determine a dose or range of the fluid agent. Alternatively, the control unit determines or calculates a dose or range of a third medicament. Further, a dispense interface for use with a drug delivery device is disclosed.

Abstract: A patch-sized fluid delivery device may include a reusable portion and a disposable portion. The disposable portion may include components that come into contact with the fluid, while the reusable portion may include only components that do not come into contact with the fluid. Redundant systems, such as redundant controllers, power sources, motor actuators, and alarms, may be provided. Alternatively or additionally, certain components can be multi-functional, such a microphones and loudspeakers that may be used for both acoustic volume sensing and for other functions and a coil that may be used as both an inductive coupler for a battery recharger and an antenna for a wireless transceiver. Various types of network interfaces may be provided in order to allow for remote control and monitoring of the device.

Abstract: To design the rotor (6, 6?, 6?, 6??, 60, 60?) as compressible in the radial direction in a fluid pump, in particular for microinvasive medical use, said rotor is configured as stretchable in its longitudinal direction (16) by push elements and pull elements acting axially on it.

Abstract: A medical carbon monoxide generator provides for a solid carbon material that may be heated at substantially normal atmospheric pressure to provide a source of medical quality carbon monoxide. The heating source may be an electrical filament or laser controllable by a microcontroller to provide accurate delivery rates and amounts. In one embodiment, a replaceable cartridge holding the carbon material may be used.

Abstract: An intraocular pressure sensor is presented that achieve very low power consumption. The intraocular pressure sensor takes the form of an implantable assembly configured to be implanted in an eye of a subject. Specifically, the implantable assembly is comprised of a capsular tension ring attached to a flexible printed circuit board. The flexible printed circuit board includes a cutout that is sized to encircle the pupil of the eye and is C shaped. One or more electrical components are also mounted onto the flexible printed circuit board. One such component is a voltage reference generator that is implemented by a circuit which provides inherently low process variation and low power consumption.

Abstract: A therapeutic product delivery device is described, which comprises a circuit layer, an actuator layer carrying an actuator, an occlusion detection layer (118), and a valve layer, through which a therapeutic product is conveyed by the action of the actuator. A plurality of conductive pins (155) extend from the circuit layer through or to each of the actuator layer, the occlusion detection layer and the valve layer, the conductive pins aligning the layers with each other. The occlusion detection layer comprises a plurality of contacts, each electrically connected to a respective one of the conductive pins, the contacts being provided at a detection region at which the therapeutic product is deposited in the event of a blockage. A blockage inhibiting the therapeutic product from being conveyed to the patient is detected when therapeutic product deposited in the detection region provides an electrical connection between the contacts.

Abstract: A fluid infusion device and related operating methods are presented here. An exemplary embodiment of the device includes a drive motor assembly, a force sensor associated with the drive motor assembly, and a reservoir cavity that accommodates fluid reservoirs. An exemplary operating method for the device obtains force measurements for a reservoir seating action of the drive motor assembly, where the force measurements indicate measures of force imparted to the force sensor during the reservoir seating action. The method continues by determining that a vent in the reservoir cavity is blocked, based on an analysis of the force measurements, and by initiating corrective action for the fluid infusion device in response to determining that the vent in the reservoir cavity is blocked.

Abstract: A system and method that identifies delayed infusion programs at an infusion pump or with a first computer and an infusion pump. The first computer receives an infusion auto-program from a remote source, transmits the infusion auto-program to the infusion pump, and sends a stale auto-program to the infusion pump. The infusion pump receives a manual infusion program, saves and executes the manual infusion program, and compares the stale auto-program to the manual infusion program to identify potential matches between the stale auto-program and the manual infusion program. The infusion pump evaluates the potential matches and determines if the potential matches are within a predefined tolerance, continues to execute the at least one manual infusion program on the infusion pump if the potential matches are within the predefined tolerance, and remotely saves differences in the manual infusion program and the at stale auto-program in a remote server for later analysis.

Abstract: An infusion pump assembly includes a locking tab and a pump barrel inside a pump barrel housing, where the pump barrel accommodates a reservoir assembly. The reservoir assembly includes a reservoir and a plunger rod. The infusion pump assembly also includes a locking disc at a terminus of the pump barrel. The locking disc includes a clearance hole for the plunger rod. The locking disc also includes at least one locking tab notch in close proximity with the locking tab. The locking tab is in moveable engagement with the locking tab notch, and the reservoir moves the locking tab from a locked position to an unlocked position when the plunger rod is inserted through clearance hole. The locking disc rotates upon torque being applied to the reservoir assembly, the locking disc rotating from a non-loaded position to a loaded position with respect to the plunger rod and a drive screw.

Abstract: A key integrates with a biometric input device. According to an aspect of the present disclosure, a fingerprint scanner may be integral with a spacebar.

Abstract: The invention relates to a radially compressible and expandable rotor (13, 13a, 13b) for a pump having at least one impeller blade (20, 22, 36, 36a, 36b, 36c, 36d, 36e, 36f, 36g, 37, 37a, 37b, 37c, 37d, 37e, 37f, 74, 88, 89, 90), wherein the impeller blade has an impeller blade body whose material is elastically deformable as well as at least one stiffening strut (25, 26, 27, 30, 31, 32, 52, 53, 57, 58, 62, 63, 67, 95) which is at least partially embedded in the material of the impeller blade body. The struts are designed suitably in size, shape and arrangement and are integrated in suitable hollow spaces of the impeller blade body for stabilizing the impeller blade. Elements with tensile strength can additionally be provided.

Abstract: An irrigation system comprising a reservoir for an irrigating liquid and a probe for arrangement in a user, wherein said probe comprises an inflatable balloon for fixing the catheter in a body cavity.

Abstract: System for trans-dermal delivery of doses of a medicament, comprising a delivery device to be placed in dermal contact with a patient, the delivery device comprising a reservoir for holding a medicament to be delivered, a trans-dermal injection element for delivering doses of the medicament to the patient, a control unit for controlling the delivery of the medicament when activated, the system further comprising a separate hand-held drive device to be temporarily placed in proximity of the delivery device when a dose of medicament is required, the drive device comprising an activation unit for activating the control unit of the delivery device.

Abstract: A dosing unit for an ambulatory infusion system, including a metering pump unit including a dosing cylinder and a piston, the piston in sealing sliding engagement inside the dosing cylinder; a valve unit having a filling port and a draining port, the filling port being couplable with a liquid drug reservoir, the draining port being couplable with an infusion site interface, and a shut-off body movable between a filling position where it couples the filling port with the dosing cylinder and a draining position where it couples the dosing cylinder with the draining port; and a valve driver coupler coupled to or integral with the shut-off body and being the output element of a step switching mechanism. Also disclosed is a drive unit that may be used in combination with a dosing unit, an ambulatory infusion system and a method for coupling a dosing unit and a drive unit.

Abstract: A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. The cap and the infusion pump are each provided with at least one sensor or at least one detectable feature, arranged to interact with at least one corresponding detectable feature or sensor on the other of the cap and infusion pump device, to detect one or more of the presence, position or other characteristic of the cap when the cap is aligned or coupled with the infusion pump housing. The detectable feature and sensor may be magnetic, RF, mechanical, optical or any combination.

Abstract: A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. The cap and the infusion pump are each provided with at least one sensor or at least one detectable feature, arranged to interact with at least one corresponding detectable feature or sensor on the other of the cap and infusion pump device, to detect one or more of the presence, position or other characteristic of the cap when the cap is aligned or coupled with the infusion pump housing. The detectable feature and sensor may be magnetic, RF, mechanical, optical or any combination.

Abstract: A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. The cap and the infusion pump are each provided with at least one sensor or at least one detectable feature, arranged to interact with at least one corresponding detectable feature or sensor on the other of the cap and infusion pump device, to detect one or more of the presence, position or other characteristic of the cap when the cap is aligned or coupled with the infusion pump housing. The detectable feature and sensor may be magnetic, RF, mechanical, optical or any combination.

Abstract: A patch-sized fluid delivery device may include a reusable portion and a disposable portion. The disposable portion may include components that come into contact with the fluid, while the reusable portion may include only components that do not come into contact with the fluid. Redundant systems, such as redundant controllers, power sources, motor actuators, and alarms, may be provided. Alternatively or additionally, certain components can be multi-functional, such a microphones and loudspeakers that may be used for both acoustic volume sensing and for other functions and a coil that may be used as both an inductive coupler for a battery recharger and an antenna for a wireless transceiver. Various types of network interfaces may be provided in order to allow for remote control and monitoring of the device.

Abstract: A method and apparatus are disclosed for delivery of a drug to a recipient. In some embodiments, the delivery apparatus may unseal a drug containing reservoir. In some embodiments, the delivery rate may be controlled and/or adjustable. Optionally the apparatus may be disposable. Optionally, the apparatus may have a low profile and/or be wearable and/or attachable to the recipient. Optionally, discharge of the drug and/or unsealing of the reservoir may be driven by a plunger moving parallel to the base of the apparatus. Optionally, the apparatus may release a hypodermic needle into the recipient. Optionally, release of the hypodermic needle may be in a direction non-parallel and/or orthogonal to the direction of movement of the plunger. Optionally, prior to release, the hypodermic needle may be preserved in an aseptic state by a needle opening septum sealing a needle opening. Optionally, upon release, the hypodermic needle may pierce the needle opening septum.

Abstract: A fluid injector for use with at least one syringe has at least one injector head with a front end configured to releasably receive the at least one syringe. 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 magnet. The at least one injector head has the at least one magnet while the at least one pressure jacket has a ferromagnetic material configured for magnetically interacting with the at least one magnet.

Abstract: An infusion pump automation system and method includes a remote processor and an infusion pump having an infusion pump user interface, including a touch screen display, and associated infusion pump infusion state and infusion pump user interface state. The remote processor is remote to the infusion pump and includes a controller interface and a controller, such that the controller bidirectionally communicates with the infusion pump, determines a current infusion state of the infusion pump and a current infusion pump user interface state and accepts a command to remotely change the infusion state of the infusion pump from an external server. The controller determines if the command is consistent with the current infusion state of the infusion pump and the current infusion pump user interface state, executes the command if the command is able to be successfully executed, and confirms that the command is successfully executed.

Abstract: A gynocological cervical Os instrument. The gynecological cervical Os instrument includes a cervical Os finder having a passage for another medical instrument at least partially along the Os finder's length. In some aspects, the passage is only partially along the Os finder's length. The passage may be a groove, and the gynecological cervical Os instrument may include one or more retainers across the groove for the medical instrument. The gynecological cervical Os instrument may include a ramp out of the passage at the end of the passage and one or more bumps on the other end of the gynecological cervical Os instrument opposite the ramp indicative of a size of the gynecological cervical Os instrument. The gynecological cervical Os instrument may be made of a thermoplastic polymer such as polytetrafluoroethylene.

Abstract: A system for occlusion detection could include a syringe pump for a syringe containing a medication, wherein the syringe includes a plunger and the syringe pump includes a plunger driver. A bendable element could be integrally formed with the plunger driver, and a force sensor could also be integrally formed with the plunger driver. Upon occurrence of an occlusion, the plunger would exert a force backwardly against the bendable element, thereby deflecting the bendable element into contact with the force sensor to thereby generate a signal indicating the occurrence of the occlusion.

Abstract: A wearable infusion pump assembly. The wearable infusion pump assembly includes a reservoir for receiving an infusible fluid and a fluid delivery system configured to deliver the infusible fluid from the reservoir to an external infusion set. The fluid delivery system includes a controller, a pump assembly for extracting a quantity of infusible fluid from the reservoir and providing the quantity of infusible fluid to the external infusion set, the pump assembly comprising a pump plunger, the pump plunger having distance of travel, the distance of travel having a starting position and an ending position, at least one optical sensor assembly for sensing the starting position and ending position of the pump plunger distance of travel and sending sensor output to the controller, and a first valve assembly configured to selectively isolate the pump assembly from the reservoir, wherein the controller receives the sensor output and determines the total displacement of the pump plunger.

Abstract: An ultrasonic or acoustic viscosity sensor or viscometer is provided that can be used to accurately measure viscosity for fluid samples of less than 1 ?l in volume. Methods for measuring viscosity for fluid samples of less than 1 ?l in volume are also provided. The viscosity sensor and methods based thereon enable simultaneous measurement of bulk and dynamic (shear-rate dependent) viscosity of a non-Newtonian fluid. Bulk and dynamic viscosity of the non-Newtonian fluid can be measured simultaneously without separating constituents of the fluid, and thus distinguishing the effect of constituents on the viscosity. Dynamic viscosity of the non-Newtonian fluid can be estimated at varying shear rates, to study the deformability of the constituents of the fluid as a function of shear rate.

Abstract: Occlusions in a delivery line of an infusion pump can be detected by measuring pressure differentials in the pump over short periods of time in order to minimize the effects of long term systematic sensor changes. In a delivery mode such as basal insulin delivery where a small portion of a volume of fluid is delivered, pressure readings can be obtained before and after the motor move to deliver each portion and compared. The differentials after one or more motor moves can be compared to determine whether an occlusion is present. In a delivery mode such as bolus insulin delivery in which an entire volume of fluid is delivered, pressure differentials can be obtained for consecutive deliveries at a common point in the delivery cycle of each delivery. Comparison of these pressure values can be used to determine whether an occlusion is present.

Abstract: Some embodiments of an infusion pump system include a controller device that is configured to removably attach to a pump device in a manner that provides a secure fitting, an overall compact size, and a reliable electrical connection. In particular embodiments, the controller device can be secured to the pump device in a generally side-by-side arrangement. The compact size can enhance discreteness and portability of the infusion pump system.

Abstract: Minimizing improper dosage of a drug admixture (including a single primary drug component and at least one second drug component). For each drug component in the drug admixture, receiving a name of the drug component along with its dosage unit, a maximum dose warning level and a maximum concentration warning level. Receiving a concentration for each of the single primary drug component and the at least one secondary drug component; and a dose setting of only the primary drug component. Automatically calculating a dose of each of the at least one secondary drug component. Generating an alert when: (i) the received dose setting of the primary drug component or calculated dose setting of the at least one secondary drug component exceeds the dose warning level; or (ii) the received concentration of the primary drug component or the at least one secondary drug component exceeds the concentration warning level.

Abstract: The present invention provides a selective data transmission method and a system based on a central monitoring system. The selective data transmission method includes a wireless sensor, wherein the wireless sensor executes the following steps of: A. collecting data; B. sending the data to a designated receiving end; C. selecting a receiving end according to an instruction, and taking the receiving end as the designated receiving end; and D. establishing a wireless connection with the designated receiving end. The present invention has the advantageous effects that the method and the system realize selective data transmission through transmitting the data to a selected receiving end, which not only can be applied to the field of medical monitoring, but also can be applied to such fields as security prevention, data backup and the like; working nodes can be switched.

Abstract: A medical solution administration device includes a medical solution storage unit configured to store a medical solution; a channel part having a channel through which the medical solution is flowable from the medical solution storage unit to a living body; a piston; a cylinder part having an internal space; a driving unit configured to slide the piston between a press end position at which a front end of the piston is located at a first end of the internal space of the cylinder part and a pulled-back position at which the front end of the piston is located at a second end of the internal space of the cylinder part; and a seal located at an end of the cylinder part and positioned adjacent to the front end of the piston when the piston is in the pulled-back position, the seal being configured to circumferentially contact the piston.

Abstract: A surgical instrument includes a housing, an energizable member selectively deployable relative to the housing, and a deployment mechanism. The deployment mechanism includes a fixed gear rotatable in opposite directions to move the energizable member between the deployed and storage positions. The deployment mechanism further includes an actuator assembly having a first actuator and a first gear, and a reversing assembly. The actuator assembly is movable relative to the fixed gear between an engaged position and a spaced-apart position. The reversing assembly includes a second actuator and a second gear that is movable between a removed position, wherein the first gear is disposed in the engaged position and the second gear is disengaged from the first gear and the fixed gear, and an inserted position, wherein the first gear is moved to the spaced-apart position and the second gear is engaged between the first gear and the fixed gear.