Patent application number | Description | Published |
20120277822 | Current Steering Neurostimulator Device with Unidirectional Current Sources - The present disclosure provides a medical device that includes a neurostimulator. The neurostimulator includes one or more channels. Each channel includes a digitally-controlled switch coupled to a voltage source. The switch is in one of an “on” state and an “off” state in response to a first control signal. Each channel also includes a digitally-controlled current sink coupled to the switch. The current sink is coupled between the switch and the voltage source. The current sink draws a variable amount of electrical current in response to a second control signal. Each channel further includes a conductor coupled to the switch and the current sink. The conductor is configured to be coupled to an electrode that is operable to deliver the electrical current drawn by the current sink to a target tissue area. | 11-01-2012 |
20120296391 | Measuring Load Impedance with Active Stimulation Pulses in an Implanted Pulse Generator - The present disclosure provides a medical stimulation system that includes a plurality of implantable channels each operable to obtain a voltage signal from a designated area of a body tissue. The medical stimulation system includes an impedance measurement device. The impedance measurement device includes a plurality of attenuators each coupled to a respective one of the channels. The attenuators are each operable to attenuate an amplitude of the voltage signal received from its respectively-coupled channel. The impedance measurement device includes a multiplexing component that receives the amplitude-attenuated voltage signals from each of the attenuators. The multiplexing component selectively outputs two of the amplitude-attenuated voltage signals. The impedance measurement device includes a differential amplifier that receives the two amplitude-attenuated voltage signals outputted from the multiplexing component as a differential input signal. The differential amplifier generates an amplifier output signal that includes at least partially an amplified version of the differential input signal. | 11-22-2012 |
20130006331 | Active Current Control Using the Enclosure of an Implanted Pulse Generator - An electrical stimulation apparatus including a medical device. The medical device includes: a housing component having at least one electrically conductive area. The medical device includes a plurality of conductors configured to be electrically coupled to a distal electrode array. The electrode array are implantable in a human body. The medical device includes a stimulation circuit positioned inside the housing component. The stimulation circuit includes a plurality of controllable stimulation channels. A first subset of the stimulation channels is electrically coupled to the conductors. A second subset of the stimulation channels is electrically coupled to the electrically conductive area of the housing component. The stimulation circuit is operable to simultaneously create a first stimulation path in the electrode array and a second stimulation path that extends from the electrode array to the housing component. | 01-03-2013 |
20130204319 | ARBITRARY WAVEFORM GENERATOR & NEURAL STIMULATION APPLICATION WITH SCALABLE WAVEFORM FEATURE AND CHARGE BALANCING - A method, device and/or system for generating arbitrary waveforms of a desired shape that can be used for generating a stimulation pulse for medical purposes such as for spinal cord stimulation therapy, including the option of using such arbitrary waveforms for charge balancing purposes. | 08-08-2013 |
20130268028 | Diversity Antennas for Neurostimulator Programming Devices - The present disclosure involves a programmer configured to program an implanted medical device. The programmer includes a circuit board and first and second wireless communication devices located on the circuit board. The first wireless communication device is configured to operate in a first frequency band. The second wireless communication device is configured to operate in a second frequency band different from the first frequency band. The first and second wireless communication devices are each configured to communicate wirelessly with the implanted medical device. The programmer includes a first group of antennas coupled to the first wireless communication device. The antennas in the first group have first different positions on the circuit board. The programmer includes a second group of antennas coupled to the second wireless communication device. The antennas in the second group have second different positions on the circuit board. | 10-10-2013 |
20130310894 | Current Steering Neurostimulator Device with Unidirectional Current Sources - The present disclosure provides a medical device that includes a neurostimulator. The neurostimulator includes one or more channels. Each channel includes a digitally-controlled switch coupled to a voltage source. The switch is in one of an “on” state and an “off” state in response to a first control signal. Each channel also includes a digitally-controlled current sink coupled to the switch. The current sink is coupled between the switch and the voltage source. The current sink draws a variable amount of electrical current in response to a second control signal. Each channel further includes a conductor coupled to the switch and the current sink. The conductor is configured to be coupled to an electrode that is operable to deliver the electrical current drawn by the current sink to a target tissue area. | 11-21-2013 |
20140067007 | Touch Screen Finger Position Indicator for a Spinal Cord Stimulation Programming Device - A method of visualizing a user interaction with a clinician programmer is disclosed. A user engagement with respect to a screen of the clinician programmer is detected via one or more sensors associated with the screen of the clinician programmer. One or more locations on the screen of the clinician programmer corresponding to the user engagement is determined. An external monitor is communicatively coupled to the clinician programmer. The external monitor displays one or more cursors that graphically represent the one or more locations on the screen of the clinician programmer corresponding to the user engagement, respectively. | 03-06-2014 |
20140067011 | Systems and Methods for the Identification and Association of Medical Devices - A system for operating a medical device, the system comprises a medical device associated with a machine-readable representation of data and a medical programmer. The medical programmer includes a sensor configured to detect the machine-readable representation of data and a display configured to graphically display a digital image of the medical device associated with the machine-readable representation of data. | 03-06-2014 |
20140067012 | Clinician Programming System and Method - A clinician programming system operable to control an implantable medical device includes a clinician programmer and a secondary unit. The clinician programmer has a housing, and includes a first display configured to display information indicative of the inputs by the clinician or display information indicative of status of an implantable pulse generator, the first display having a first display size. The secondary unit is separate from the housing of the clinician programmer and includes a secondary display. The secondary display is configured to communicate with the clinician programmer via the secondary display communication interface and configured to display information received via the secondary display communication interface. | 03-06-2014 |
20140094871 | DIGITAL CONTROL FOR PULSE GENERATORS - A controller for implementing a method, device and/or system for generating arbitrary waveforms of a desired shape that can be used for generating a stimulation pulse for medical purposes such as for spinal cord stimulation therapy, where such arbitrary waveforms can also be used for charge balancing purposes. | 04-03-2014 |
20140343630 | ARBITRARY WAVEFORM GENERATOR & NEURAL STIMULATION APPLICATION - A method, device and/or system for generating arbitrary waveforms of a desired shape that can be used for generating a stimulation pulse for medical purposes such as for spinal cord stimulation therapy. | 11-20-2014 |
20150080983 | CLINICIAN PROGRAMMING SYSTEM AND METHOD - In a method for programming an implantable device, an input is received at a user interface on a tablet-style clinician programmer. A first display signal is generated on the clinician programmer that updates content on a first display based on the received user input. The first display has a first size. A second display signal is generated for transmission to a secondary unit having a second display separate from the clinician programmer. The second display has a second size larger than the first size. The generating of the second display signal includes enhancing the content of the second display signal to provide a clear image on the second size display. The second display signal is transmitted from the clinician programmer to the second display. | 03-19-2015 |