Abstract: Methods and apparatuses (e.g., devices and systems) for vagus nerve stimulation, including (but not limited to) sub-diaphragmatic vagus nerve stimulation. In particular, the methods and apparatuses described herein may be used to stimulate the posterior sub-diaphragmatic vagus nerve to treat inflammation and/or inflammatory disorders. The implantable microstimulators described herein may be leadless and batteryless.

Abstract: A system includes a server including a clock and a plurality of medical devices in network communication with the server. Each medical device includes at least one alarm mechanism and an internal clock. A first medical device of the plurality of medical devices is configured to receive a clock synchronization data from the server, update the internal clock of the first medical device based on the clock synchronization data, provide an alarm signal of a first type at a first time, and provide a subsequent alarm signal of the first type at a second time. The second time occurs at a predetermined interval from the first time. Additionally, the second time is the same time the alarm signal of the first type is provided by a second medical device of the plurality of medical device.

Abstract: Generally discussed herein are systems, devices, and methods for providing a therapy (e.g., stimulation) and/or data signal using an implantable device. Systems, devices and methods for interacting with (e.g., communicating with, receiving power from) an external device are also provided.

Abstract: Embodiments of an antenna system and a method for operating an antenna are disclosed. In an embodiment, an antenna system includes a first ferrite element, a second ferrite element, a first coil wrapped around the first ferrite element, a second coil wrapped around the second ferrite element, a first antenna interface electrically coupled to the first coil, a second antenna interface electrically coupled to the second coil, and a conductor network connected between the first coil, the second coil, the first antenna interface, and the second antenna interface.

Abstract: Embodiments presented herein are generally directed to techniques for the transfer of isochronous stimulation data over a standardized isochronous audio or data link between components of an implantable medical device system. More specifically, as described further below, a first component is configured to generate dynamic stimulation data based on one or more received sound signals. The first component is configured to obtain static configuration data and to encode the dynamic stimulation data and the static configuration data into a series of isochronous wireless packets. The first component is configured to transmit the series of wireless packets over an isochronous wireless channel to a second component of the implantable medical device system.

Abstract: A method may include positioning a catheter, including at least one electrode, within an esophagus such that the electrode is proximate to at least one sympathetic ganglion. The methods may further include recruiting the sympathetic ganglion via an electrical signal, monitoring the recruitment of the sympathetic ganglion, and, based on the monitoring the recruitment of the sympathetic ganglion, adjusting the electrical signal from the at least one electrode.

Abstract: An antenna assembly includes a metal layer configured to emit linearly polarized electromagnetic energy to a receiving antenna implanted underneath a subject's skin; and a feed port configured to connect the antenna assembly to a signal generator such that the antenna assembly receives an input signal from the signal generator and then transmits the input signal to the receiving dipole antenna, wherein the antenna assembly is less than 200 um in thickness, and wherein the metal layer is operable as a dipole antenna with a reflection ratio of at least 6 dB, the reflection ratio corresponding to a ratio of a transmission power of the antenna assembly in transmitting the input signal and a reflection power seen by the antenna assembly resulting from electromagnetic emission of the input signal.

Abstract: A method for remotely bonding a companion device to an implanted medical device to achieve long-term encrypted and authenticated communication channel, that is resilient to companion device failure or compromise and hence mitigates the risk or need for unplanned, revision surgery and/or premature device explanation. Through use of a shared cryptographic key between the two systems, the companion device may request an encrypted challenge number from the implant. Completing the challenge via transmitting an encrypted validation number permits the implanted medical device to bond and perform a new long-term key exchange. The shared cryptographic key can be changed as well, in event of compromise or other adverse event, using a described device firmware update procedure.

Abstract: A method of securing an antenna assembly to a wearable article includes positioning a template carrying a first antenna at a desired position on the wearable article worn on a body of a patient. The desired position is in proximity to a wireless tissue stimulator implanted within the body. The method further includes marking a location of the desired position of the template against the wearable article, securing a first attachment feature to the wearable article at a mark located at the desired position, and attaching the antenna assembly to the wearable article at the first attachment feature. The antenna assembly includes a second antenna configured to send a signal carrying electrical energy to the wireless tissue stimulator and a housing carrying the second antenna. The housing includes a second attachment feature configured to engage the first attachment feature for positioning the second antenna adjacent the body.

Abstract: The present disclosure relates to systems, devices and methods for providing visual guidance for navigating inside a patient's chest. An exemplary method includes presenting a three-dimensional (3D) model of a luminal network, generating, by an electromagnetic (EM) field generator, an EM field about the patient's chest, detecting a location of an EM sensor within the EM field, determining a position of a tool within the patient's chest based on the detected location of the EM sensor, displaying an indication of the position of the tool on the 3D model, receiving cone beam computed tomography (CBCT) image data of the patient's chest, detecting the location of the tool within the patient's chest based on the CBCT image data, and updating the indication of the position of the tool on the 3D model based on the detected location.

Abstract: A system and method for the automatic stimulation of a vagus nerve for post-stroke rehabilitation is disclosed. The system includes an application subsystem having an electrode positioned to stimulate the vagus nerve and coupled to a user outside of a surgical setting. The system also includes a waveform generator communicatively coupled to the electrode, and a triggering subsystem including a receiver configured to detect the presence of a tag. The triggering subsystem is communicatively coupled to waveform generator and is configured to automatically trigger the stimulation of the vagus nerve upon detecting the presence of the tag. The tag is located proximate a rehabilitation context such that the tag is detected when the user is using the rehabilitation context, resulting in the vagus nerve of the user being automatically stimulated by the electrode in response to the user's post-stroke rehabilitation training.

Abstract: An external device transfers a key to an implantable medical device over a proximity communication and then establishes a first far field communication session with the implantable medical device where the key is used for the first communication session. This first communication session may occur before implantation while the implantable medical device is positioned outside of the sterile field so that using a proximity communication is easily achieved. Once the implantable medical device is passed into the sterile field for implantation, the external device may then establish a second far field communication session with the implantable medical device where the last key that was used for the first communication session is again used for the second communication session which avoids the need for another proximity communication to occur within the sterile field.

Abstract: The present disclosure provides alert implants that comprise a medical device and an implantable reporting processor (IRP), where one example of such a medical device includes a component for a total knee arthroplasty (TKA) such as a tibial extension, a femoral component for hip replacements, a breast implant, a distal rod for arm or leg breakage repair, a scoliosis rod, a dynamic hip screw, a spinal interbody spacer, and tooling and methods that may be used to form the alert implant, and uses of such alert implants in the health maintenance of patients who receive the implant.

Abstract: A hearing device is provided. The hearing device comprises a first portion configured to be arranged at a head of a user and to provide a signal to a second portion.

Abstract: A system including an ambulatory medical treatment device is provided. The ambulatory medical treatment device includes a memory, a treatment component configured to treat a patient, at least one processor coupled to the memory and the treatment component, a user interface component, and a system interface component. The user interface component is configured to receive an update session request and to generate the update session identifier responsive to receiving the request. The system interface component is configured to receive an encoded request including an identifier of an update session and device update information, to decode the encoded request to generate a decoded request including the device update information and the identifier of the update session, to validate the decoded request by determining that the update session identifier matches the identifier of the update session, and to apply the device update information to the ambulatory medical treatment device.

Abstract: An example disclosed method includes, in response to receiving a first signal at a communication device when the communication device is in a deep sleep mode, changing the tag from the deep sleep mode to an awake mode for a period of time, wherein the communication device consumes a first amount of power in the deep sleep mode, and the communication device consumes a second amount of power in the awake mode, and the second amount of power is greater than the first amount of power; in response to receiving a second signal during the period of time when in the awake mode, changing the communication device from the awake mode to a fully functional mode, wherein the communication device consumes a third amount of power in the fully functional mode, and the third amount of power is greater than the second amount of power; and, in response to not receiving the second signal during the period of time, changing the communication device from the awake mode to the deep sleep mode.

Abstract: The present disclosure provides systems and methods for managing communications in a remote therapy system. A method includes initiating a remote therapy session by establishing communications between a patient device and an implantable medical device implanted in a patient, and establishing communications between the patient device and a clinician device, determining, using the patient device, a distance between the patient and the patient device, comparing, using the patient device, the determined distance to a threshold distance, and managing the communications between the patient device and the implantable medical device based on the comparison.

Abstract: A method includes a first computing device generating a signal having an oscillating component and driving the signal on a first touch sense element of the first computing device. The method continues with the first computing device detecting a touch on the first touch sense element based on the signal. While the touch is detected, the method continues by the first computing device modulating the signal with data to produce a modulated data signal. The method continues with a second computing device receiving the modulated data signal via a transmission medium and a second touch sense element of the second computing device, where the transmission medium includes at least one of a human body and a close proximity between the first and second computing devices. The method continues with by the second computing device demodulating the modulated data signal to recover the data.

Abstract: An apparatus, including an external component of a medical device configured to generate a magnetic flux that removably retains, via a resulting magnetic retention force, the external component to a recipient thereof, wherein the external component is configured to enable the adjustment of a path of the generated magnetic flux so as to vary the resulting magnetic retention force.

Abstract: Systems, apparatus, methods and non-transitory computer readable media facilitating telemetry data communication security between an implantable device and an external clinician device are provided. An implantable device can include a security component configured to generate security information based on reception of a clinician telemetry session request from the clinician device via a first telemetry communication protocol. The security information can include a session identifier and a first session key, and the clinician telemetry session request can include a clinician device identifier associated with the clinician device.

Abstract: Far field telemetry operations are conducted between an external device and an implantable medical device while power is being transferred to the implantable medical device for purposes of recharging a battery of the implantable medical device. The far field operations may include exchanging recharge information that has been collected by the implantable medical device which allows the external device to exercise control over the recharge process. The far field operations may include suspending far field telemetry communications for periods of time while power continues to be transferred where suspending far field telemetry communications may include powering down far field telemetry communication circuits of the implantable medical device for periods of time which may conserve energy. The far field operations may further include transferring programming instructions to the implantable medical device.

Abstract: A target authentication device includes an electrode to detect an electrical signal associated with a user of the device. The electrical signal represents an authentication code for the device. An authentication receiver module is coupled to the electrode. The module receives the electrical signal from the electrode and determines whether the electrical signal matches a predetermined criterion to authenticate the identity of the user based on the electrical signal. An authentication module is also disclosed. The authentication module includes one electrode to couple an electrical signal associated with a user to a user of a target authentication device, the electrical signal represents an authentication code for the device. An authentication transmission module is coupled to the electrode. The authentication transmission module transmits the electrical signal from the electrode. A method of authenticating the identity of a user of a target authentication device also is disclosed.

Abstract: Implantable medical systems enter an exposure mode of operation, either manually via a down linked programming instruction or by automatic detection by the implantable system of exposure to a magnetic disturbance. A controller then determines the appropriate exposure mode by considering various pieces of information including the device type including whether the device has defibrillation capability, pre-exposure mode of therapy including which chambers have been paced, and pre-exposure cardiac activity that is either intrinsic or paced rates. Additional considerations may include determining whether a sensed rate during the exposure mode is physiologic or artificially produced by the magnetic disturbance. When the sensed rate is physiologic, then the controller uses the sensed rate to trigger pacing and otherwise uses asynchronous pacing at a fixed rate.

Abstract: The present disclosure pertains to systems and methods for encoding and/or decoding brain activity signals for data reduction. In a non-limiting embodiment, first user data associated with a first sleep session of a user is received. The first user data is determined to include at least a first instance of a first sleep feature being of a first data size. A first value representing the first instance during a first temporal interval is determined. First encoding data representing the first value is determine, the first encoding data being of a second data size that is less than the first data size. Second user data is generated by encoding the first user data using the first encoding data to represent the first instance in the second user data, and the second user data is stored.

Abstract: The invention relates to a telemetry communication system for an implantable medical device (1) comprising a radiofrequency transceiver, comprising: a remote controller (2) adapted to be used by a patient into whom said medical device (1) is implanted, said remote controller comprising a radiofrequency transceiver configured to communicate with said implantable medical device in a first frequency band (RF1), the transceiver of the remote controller (2) being paired with the transceiver of the implantable medical device (1), a programming device (3) said implantable medical device adapted to be used by a practitioner, comprising a user interface (30), and configured to communicate with the remote controller (2) through a wire connection or a wireless connection in a second frequency band (RF2) different from the first frequency band, the programming device (3) being configured to, when said connection is established between the remote controller (2) and the programming device (3), establish a communication

Abstract: Disclosed embodiments include methods and systems including a receiver unit of a glucose monitoring system. The receiver is configured for communicating with a remote transmitter unit coupled with a glucose sensor. The glucose sensor generates data signals associated with a glucose level. The receiver unit includes a processor, a display, and a memory for storing instructions which, when executed by the processor: access a transmitter key associated with the remote transmitter unit; transmit a command to the remote transmitter unit after verifying the transmitter key; receive communication packets from the remote transmitter unit including a first data segment with data signals indicative of the glucose level and a second data segment with information corresponding to a remaining life of the remote transmitter unit; estimate a remaining life of the remote transmitter unit; process the data signals; and output the estimated remaining life and the processed data signals for display.

Abstract: The disclosure relates to a subcutaneously implanted port device for establishing access to the vascular system of a patient requiring multiple blood treatments over an extended period of time. The systems, devices and methods disclosed herein may reduce miscannulation, promote intra-session hemostasis, and decrease the incidence of bacteremia and sepsis among other improvements and advantages. The devices include a port with a tapered seat for receiving an access tube, the first tapered seat having a proximal portion, a distal portion, and a conical section extending between the proximal portion and the distal portion; and an interface surface configured to engage a blood vessel or a vascular access catheter. The proximal portion of the tapered seat is configured to receive the access tube therethrough, and the tapered seat creates a mismatch fit with a diameter of the access tube when in use for an increase in flow during treatment.

Abstract: Telemedicine systems and methods are described. In a telemedicine system operable to communicate with a remote operations center, communications can be transmitted/received using a transceiver having an antenna. The antenna can include first and second di-pole antenna elements, the first di-pole antenna element being vertically polarized and the second di-pole antenna element being horizontally polarized. A controller of the system can establish, using the transceiver, a telemedicine session with the operations center using a Transport Morphing Protocol (TMP), the TMP being an acknowledgement-based user datagram protocol. The controller can also mask one or more transient network degradations to increase resiliency of the telemedicine session.

Abstract: A subcutaneous insertable cardiac monitor (ICM) for use in performing long term electrocardiographic (ECG) monitoring is disclosed. The length of the monitoring performed by the ICM is extended, potentially for a life time of the patient, and the functionality of the ICM is enhanced, including enhancing the rate at which data can be offloaded from the ICM, by including an internal energy harvesting module in the ICM. The energy harvesting module harvests energy from outside the ICM, and provides the harvested energy for powering the circuitry of the ICM, either directly or by recharging a power cell within the ICM. As the circuitry of the ICM requires a low amount of electrical power, the harvested energy can be sufficient to support the functioning of the ICM even when the electrical power stored on the ICM at the time of implantation runs out.

Abstract: Implantable medical devices automatically switch from a normal mode of operation to an exposure mode of operation and back to the normal mode of operation. The implantable medical devices may utilize hysteresis timers in order to determine if entry and/or exit criteria for the exposure mode are met. The implantable medical devices may utilize additional considerations for entry to the exposure mode such as a confirmation counter or a moving buffer of sensor values. The implantable medical devices may utilize additional considerations for exiting the exposure mode of operation and returning to the normal mode, such as total time in the exposure mode, patient position, and high voltage source charge time in the case of devices with defibrillation capabilities.

Abstract: UAV airways system generally are disclosed. Such UAV airway systems may comprise UAV cargo transportation systems and UAV surveillance and monitoring systems. Such systems preferably overlay and are commensurate with a system of high-voltage power transmission lines of high-voltage transmission system, and electric field actuated (EFA) generators preferably are utilized in UAVs that travel along the transmission lines, in UAV charging stations located along the transmission lines, or in both. Each EFA generator represents a power supply and comprises first and second electrodes separated and electrically insulated from each other for enabling a differential in voltage at the first and second electrodes resulting from a differential in electric field strength experienced by the first and second electrodes arising from the power transmission lines of the high-voltage transmission system.

Abstract: The disclosure provides a method for determining a configuration mismatch between a first device and a second device. During operation, a first device receives a plurality of Unidirectional Link Detection (UDLD) protocol messages from a second device. The first device is configured with a first interval configuration value corresponding to a frequency which the first device sends the UDLD protocol messages to the second device. The first device determines a second interval configuration value of the second device, which corresponds to a frequency which the second device sends the UDLD protocol messages to the first device. The first device determines that there is a configuration mismatch between the first device and the second device, and creates a log entry for the configuration mismatch, the log entry including the first and second interval configuration values.

Abstract: A monaural hearing device includes: a first housing accommodating a first near-field magnetic induction communication unit and a first magnetic field antenna connected to the first near-field magnetic induction communication unit, wherein the first housing is configured for placement behind an ear of a user of the monaural hearing device; and a second housing accommodating a second near-field magnetic induction communication unit and a second magnetic field antenna connected to the second near-field magnetic induction communication unit; wherein the first and second near-field magnetic induction communication units connected to the first and second magnetic field antennas, respectively, are configured to perform near-field wireless data communication with each other.

Abstract: The present invention changes the magnet-mode of an active implantable medical device (AIMD) such that repeated application of a clinical magnet in a predetermined and deliberate time sequence will induce the AIMD to enter into its designed magnet-mode. In one embodiment, a clinical magnet is applied close to and over the AIMD and removed a specified number of times within a specified timing sequence. In another embodiment, the clinical magnet is applied close to and over the AIMD and flipped a specified number of times within a specified timing sequence. This makes it highly unlikely that the magnet in a portable electronic device, children's toy, and the like can inadvertently and dangerously induce AIMD magnet-mode.

Abstract: An apparatus can have a computing component. The computing component can be configured to receive a wireless transmission from an implanted device, verify an identity of the implanted device by verifying security data from the implanted device, and perform an authentication procedure, in response to verifying the identity of the implanted device, to determine whether the transmission is authentic by determining whether a digital signature of the transmission is authentic. The apparatus can be configured to wirelessly charge the implanted device in response to the computing component determining that the digital signature is authentic.

Abstract: A power receiving device is disposed underwater. The power receiving device includes a housing formed of a weak magnetic material, a ferromagnetic body that surrounds an outer side of the housing and is formed of a ferromagnetic material, and a power receiving coil wound around an outer side of the ferromagnetic body.

Abstract: A method for detecting on-off keying symbols includes receiving, by each of distributed Rx nodes, a pilot signal for a pilot symbol transmitted from a transmitter, the distributed Rx nodes constituting the wireless body area communication network, obtaining, by each of the Rx nodes, a reference value using the received pilot signal, transmitting, by each of the Rx nodes, received data signal to a fusion center when the data signal for the on-off keying symbol transmitted from the transmitter is received by each of the Rx nodes, calculating, by the fusion center, a weight of the on-off keying symbol for each of the Rx nodes using the reference value obtained from each of the Rx nodes and the received data signal, and detecting, by the fusion center, the on-off keying symbol transmitted from the transmitter using the weight of the on-off keying symbol calculated for each of the Rx nodes.

Abstract: An electrosurgical system comprising: a plurality of electrosurgical connection units, each electrosurgical connection unit comprising an input port connectable to an electrosurgical channel and an output port connectable to an electrosurgical instrument, the electrosurgical connection unit configured to connect the input port to the output port; an electrosurgical network comprising a plurality of electrosurgical links that connect the input ports of the electrosurgical connection units to an electrosurgical channel; and a control unit configured to: receive information from a device indicating that the device has detected an electrosurgical generator connected to the electrosurgical channel, the device being one of the electrosurgical connection units and an electrosurgical output device connected to the electrosurgical channel; determine a location of the electrosurgical generator in the electrosurgical network based on the received information; and transmit one or more control signals to the electrosurgic

Abstract: Techniques are disclosed for implementing the use of electrically evoked compound action potentials (ECAPs) to adaptively adjust parameters of high frequency electrical stimulation. In one example, a medical device delivers electrical stimulation therapy comprising a train of electrical stimulation pulses to a patient, wherein the train of electrical stimulation pulses comprises a pulse frequency greater than or equal to 500 Hertz. After delivering the train of electrical stimulation pulses, the medical device ceases delivery of the high frequency electrical stimulation therapy for a predetermined period of time. During the predetermined period of time, the medical device senses an ECAP from the patient and determines, based on the sensed ECAP, a value of a parameter at least partially defining the train of electrical stimulation pulses.

Abstract: A method of downregulating and/or upregulating neural activity by applying a high frequency alternating current electrical signal to a nerve in a subject is disclosed. The signal comprises more than one microsecond cycle comprising one or more periods, each period comprising a charge recharge phase, and optionally, a pulse delay, each period having a frequency of at least 1000 Hz; and a microsecond inactive phase. In embodiments, an electrical signal treatment comprises more than one microsecond cycle to form a millisecond cycle, each millisecond cycle separated by a millisecond inactive phase during an on time. In embodiments, the electrical signal patterns can differ in amplitude.

Abstract: An assembly includes an electromagnetic coil with a conductor, and a substrate on which the conductor is arranged. The coil has a core and the conductor extends around the core. The core is formed by a ferromagnetic rivet that is fastened to the substrate.

Abstract: A device, such as a data network device for a medical data network, controls an operating state of a second medical device in such a way that by sending a request message, the second medical device is prompted to change over into the operating state of the combined therapy and hence into an operating state in which its actuator is controlled as a function of an information signal of the first medical device. The information signal is based on physiological measured values. As a result, a clinician does not have to configure the second medical device himself/herself directly on site at the medical device by inputting an input signal, but this can be carried out by the device.

Abstract: A system and method for modulating delivery of remote therapy to a patient having an implantable medical device (IMD). Upon establishing a remote care session between a patient controller device and a clinician programmer, wherein the clinician and the patient are remotely located with respect to each other, a determination may be made if a first triggering event is detected. Responsive to the determination, a remote therapy session used for programming the patient's IMD is paused and one or more remote care therapy setting controls provided at the clinician programmer device to facilitate one or more adjustments with respect to the patient's IMD are disabled. Subsequently, responsive to detecting a second triggering event, the remote therapy session with the patient may be resumed, wherein the one or more remote care therapy setting controls of the clinician programmer device are enabled.

Abstract: The invention relates to a medical device (12) comprising an electrical measurement circuit (16), in which are connected at least two variable-impedance sensors (22), the impedance of which varies according to a detected physical quantity, an electrical power source (18) for supplying power to the electrical measurement circuit (16), an antenna (18) for emitting an electromagnetic field according to the impedance of the electrical measurement circuit (16), each of the sensors (22) being associated with a switch (24) for interrupting the current supply of the sensor (22) in said measurement circuit (16), the medical device (12) additionally comprising a system (26) for controlling the switches (24) in order to successively control the opening or the closing of the switches (24), according to determined configurations. The medical device (12) may in particular be applied to the human body or implanted within the human body.

Abstract: A method, system, and apparatus for fabricating an acoustic metamaterial is provided. In an embodiment, a method for fabricating an acoustic metamaterial includes determining at least one tuned physical property for each of a plurality of micro-resonators according to a desired acoustic property of the acoustic metamaterial. For a particular physical property, a value of the tuned physical property for at least one of the plurality of micro-resonators is different from a value of the tuned physical property for at least one other of the plurality of micro-resonators. The method also includes additively forming the acoustic metamaterial such that the acoustic metamaterial comprises a first structure and the plurality of micro-resonators embedded within the first structure. Forming the acoustic metamaterial is performed such that an actual physical property of each of the plurality of micro-resonators is equal to a corresponding tuned physical property for each of the plurality of micro-resonators.

Abstract: A surgical system includes a plurality of voice sensors located in a surgical environment and configured to detect sound and generate a first plurality of signals. The surgical system also includes a position indicator, in proximity to a designated user, configured to indicate a first position of the designated user and generate a second signal representative of the first position. The surgical system further includes a processor configured to receive the first plurality of signals and the second signal and determine, based on the first plurality of signals, a second position. The processor is also configured to compare the detected sound with registered voice command of the designated user stored in a memory to verify the designated user's credentials, and send a command signal to a surgical instrument to carry out an operation related to the voice command based on at least one of the verification of the designated user's credentials, the first position and the second position.

Abstract: A control method of a wireless power transmitter and a wireless power transmitter. The method includes transmitting a first power with a first cycle; transmitting a second power with a second cycle, wherein the second cycle is greater than the first cycle; when a wireless power receiver is placed within a charging area and is detected by the first power, upon detecting the wireless power receiver by the first power, transmitting a third power to drive the wireless power receiver to transmit a search signal to the wireless power transmitter; and when the wireless power receiver is placed within the charging area and is not detected by the first power, using the second power to detect the wireless power receiver and drive the wireless power receiver to transmit the search signal to the wireless power transmitter.

Abstract: The disclosure describes techniques to provide antennae configured to harvest radio-frequency (RF) energy from the nearby environment to provide electrical energy to an electrically powered device. Antennae may be configured in different shapes, lengths, locations, and materials to efficiently collect RF energy to be converted to electrical power. In some examples, RF energy may be harvested from existing sources, such as FM radio transmissions, communication transmissions such as Wi-Fi and BLUETOOTH, and similar existing sources. In other examples, antennae may be configured to collect energy from a source specifically designated to recharge the device. In some examples, the harvested RF energy may be sufficient to power the device. In other examples, the harvested RF energy may provide enough power to reduce the amount of recharging required by other means, such as by inductive recharging.

Abstract: A pulse generator that includes a communications module is disclosed herein. The communication module includes a transceiver and an antenna circuit. The antenna circuit includes a first pathway having a capacitor and a second, parallel pathway including a capacitor, and a resistor, and a radiating element arranged in series. The antenna circuit is tuned to have a resonant frequency corresponding to a desired transmission frequency and a bandwidth corresponding to shifts in the resonant frequency arising from the implantation of the antenna.

Abstract: Disclosed are systems and methods for secure and seamless set up and modification of bolus calculator parameters for a bolus calculator tool by a health care provider (HCP). In one aspect, a method for enabling HCP set up of a bolus calculator includes providing a server accessible by both an HCP and a patient; upon login by the HCP, displaying, or transmitting for display, a fillable form, the fillable form including one or more fields for entry of one or more bolus calculator parameters; receiving data from the fillable form, the data corresponding to one or more bolus calculator parameters; and upon login by the patient, transmitting data to a device associated with the patient, the transmitted data based on the received data, where the transmitted data corresponds to one or more of the bolus calculator parameters in a format suitable for entry to a bolus calculator.