33 results about "Testing stimulus" patented technology

Methods and apparatus for testing of the efficacy of therapeutic stimulation of pelvic nerves or musculature to alleviate one of incontinence or sexual dysfunction are disclosed. A therapy delivery device is operable in a therapy delivery mode and a test mode and an evoked response detector is employed in the test mode to detect the evoked response to applied test stimuli. The test stimuli parameters of the test stimulation regimen are adjusted prior to delivery of each test stimulation regimen, and the evoked responses to the applied test stimulation regimens are compared to ascertain an optimal test stimulation regimen. The therapy stimulation regimen parameters are selected as a function of the test electrical stimulation parameters causing the optimal evoked response.

A method and system for programming settings of a medical device surgically implanted within a body of a patient. The system comprises a physician programmer, a patient programmer, an external neural stimulator, and a telemetry component being in communication with the implanted medical device, the external neural stimulator, and the physician programmer. The implantable medical device may be programmed using a two-phase process, a screening phase and an implant phase. During the screening phase, the physician and patient programmers may be used to roughly test the parameters of the stimulation to determine that the treatment therapy is efficacious. During the implant phase, the same physician and patient programmers may be used to fine tune the parameters of the stimulation.

An integrated electromyography (EMG) and signal / stimulation generation clinician programmer may be coupled with an implantable temporary or permanent lead in a patient and at least one EMG sensing electrode minimally invasively positioned on a skin surface or within the patient. Generally, the integrated clinician programmer may comprise a portable housing, a signal / stimulation generator, and EMG signal processor, and a graphical user interface. The housing has an external surface and encloses circuitry at least partially disposed within the housing. The signal / stimulation generator may be disposed within the housing and configured to deliver test stimulation to a nerve tissue of the patient via the implantable lead. The EMG signal processor may be disposed within the housing and configured to record a stimulation-induced EMG motor response for each test stimulation via the at least one EMG sensing electrode. The graphical user interface at least partially comprises the external surface of the housing and has a touch screen display for direct user interaction or for use with a keyboard, mouse, or the like.

A method of assessing cognitive impairment of a user includes presenting a visual test stimulus to the user for a pre-determined test stimulus exposure duration. The test stimulus is then masked and a response from the user is measured. The response provides information about the user's perception of a characteristic of the test stimulus together with the time taken for the user to respond. These steps are repeated to develop a user profile and cognitive impairment in the user is assessed by comparing the user profile with a reference profile. A method of assessing cognitive impairment of a user includes presenting a visual test stimulus to the user for a pre-determined test stimulus exposure duration. The test stimulus is then masked and a response from the user is measured. The response provides information about the user's perception of a characteristic of the test stimulus together with the time taken for the user to respond. These steps are repeated to develop a user profile and cognitive impairment in the user is assessed by comparing the user profile with a reference profile.

The invention relates to a composite nervous action potential tuning curve calibration and detection system. The composite nervous action potential tuning curve calibration and detection system is characterized by comprising a computer, an acoustic card, an acoustic sensor, a preamplifier, an electrode, a high-impedance input level, a bioelectric amplifier and earplugs. An audition testing platform is arranged in the computer and comprises a testing executing system and an acoustic card driving system, wherein the testing executing system comprises a plurality of calibration and detection modules. A system calibration and debugging module is used for calibrating and debugging the acoustic card and sensitivity of the acoustic sensor. An acoustic sensor position calibrating module is used for calibrating a position of the acoustic sensor testing an external auditory canal of an animal. An electrode position calibrating module is used for calibrating whether a recording electrode is disposed to testing round window membranes in the animal ears or not. A composite nervous action potential threshold curve detection module is used for testing stimulus intensity thresholds of composite nervous action potentials. A composite nervous action potential tuning curve detection module is used for detecting composite nervous action potential tuning curves. The composite nervous action potential tuning curve calibration and detection system can be widely applied to auditory detection.

The invention discloses a method and a system for verifying register transfer level (RTL) of an Ethernet exchange chip queue manager. The verifying method combines the advantages of an existing hardware simulation platform and a software simulation platform. By constructing a simulation environment, a testing stimulus model and a testing detection model which generate a testing stream are built to control amount, varieties, sequence and bandwidth of an input stream, a dynamic bandwidth adjustor is used for correcting the bandwidth in real time, and simultaneously the testing detection model automatically detects bandwidth which outputs different streams and provides detection results, thereby detecting whether queue scheduling and reshaping function are right in real time in a simulation process, improving verifying efficiency, and finding code defects timely and effectively.

Data processing resources are distributively provided to an emulation system to locally and correspondingly generate testing stimuli, and applying the generated testing stimuli to partitions of an IC design to be emulated. In one embodiment, the distributed data processing resources further locally and correspondingly retrieve state data of emulation state circuit elements, analyze the retrieved state data for one or more events, and report the one or more events upon their detection. In one embodiment, the distributed data processing resources are disposed on logic boards of an emulation system. In other embodiments, at least some of the distributed data processing resources are disposed on the emulation ICs of the logic boards.

The invention discloses a testing shell suitable for an on-chip network embedded type IP core and belongs to the technical field of embedded type IP core testing. The testing shell suitable for the on-chip network embedded type IP core comprises a parallel input port, a parallel bypass temporary storage, a parallel output port, a serial input port, a serial bypass temporary storage, a serial output port, a testing control temporary storage, a first multiplexer, a parallel testing response comparator, a serial testing response comparator, a correct testing response signal parallel input port and a correct testing response signal serial input port. Testing stimulus and correct testing response are simultaneously sent in an IP core to be tested, only one data sub-package is needed to complete testing, and the transmitting data size can be effectively reduced for a multicast transmission mode.

Systems, methods, and apparatuses may be used to test devices using a portable device. A portable device is a tablet computer, a smart phone, or other type of device. In embodiments, the different components of the portable device are utilized to perform tests on a medical device such as a hearing prosthesis or other type of medical device. For example, portable device components such as accelerometers, magnetometers, gyroscopes, microphones, speakers, etc. are used to provide testing stimuli and / or record the responses from the hearing prosthesis to the testing stimuli. The portable device is used to generate testing stimulus and record the response from the device being tested using the various components of the portable device. Analysis of the output of the medical device can be performed to determine a remedy to improve operation of the device.

The invention provides a wafer testing method used for a design analysis purpose. A redistribution layer is manufactured on the surface of a manufactured wafer, a plurality of first pads of a chip of the wafer are connected with a plurality of second pads which are located on the redistribution layer and correspond to the first pads through redistribution layer connecting wires, the second pads on the redistribution layer are located outside the area detected by a microprobe, testing stimuli are inflicted in the positions of the second pads on the redistribution layer with a probe of a probe card, signal testing is carried out on the chip with the microprobe, the probe of the probe card and the microprobe are separated physically, and the probe of the probe card and the microprobe are not affected by each other. The wafer testing method used for the design analysis purpose widens the range of the contact of the microprobe and chip to the maximum, ensures that the signal testing can be carried out normally and obviously promotes efficiency of detecting signals.

A method for testing a strip of MEMS devices, the MEMS devices including at least a respective die of semiconductor material coupled to an internal surface of a common substrate and covered by a protection material; the method envisages: detecting electrical values generated by the MEMS devices in response to at least a testing stimulus; and, before the step of detecting, at least partially separating contiguous MEMS devices in the strip. The step of separating includes defining a separation trench between the contiguous MEMS devices, the separation trench extending through the whole thickness of the protection material and through a surface portion of the substrate, starting from the internal surface of the substrate.

The invention discloses a pure-tone audiometry method and device, and is used for testing a person to be tested. The method comprises the following steps: providing a first testing stimulation to the person to be tested, wherein the first testing stimulation comprises a first frequency and a first strength, and the first testing stimulation is selected from one of N testing tones, wherein N is an integer, N is larger than and equal to 2 and is smaller than and equal to 5, m testing tone in the N testing tones comprises m short tones, and m is larger than and equal to 1 and is smaller than and equal to N; receiving a response corresponding to the first testing stimulation. The invention also discloses a pure-tone audiometry device.

Methods and apparatus for verifying operability of a neurophysiological-based control system include generating a test stimulus that will result in a predetermined neurophysiological response in a user. Neurophysiological brain activity signals obtained from the user in response to the test stimulus are processed to generate a test neurophysiological response. The test neurophysiological response and a predetermined neurophysiological response are compared to determine if the neurophysiological-based control system is operating properly.

A robotic system includes retrieval of a priori stimulus based on an input that indicates a current health state and a target health state of a user. A set of test stimuli specific for the user is determined and a stimulus device is controlled to provide the set of test stimuli to the user. A first set of responses within the body of the user and a second set of responses discernible on the body of the user are determined, and a set of stimulus parameters for the stimulus device is calibrated based on the combination of the first set of responses, the second set of responses, the current health state, the target health state, and a trained AI-based system. A new stimulus is applied to a portion of the body of the user that shifts a condition of the user from the current health state towards the target health state.

An external contact center testing system is integrated with an internal monitoring and diagnostic system to identify and verify a fault condition, and to determine the cause of such fault condition. Test data for each of the stimuli launched into the call center from the external testing system are synced with the monitoring results data generated by the internal monitoring system. The synced results can be analyzed to verify that a true fault has occurred and also to identify both failure conditions and specific hardware malfunctions giving rise to the noted failure. The internal monitoring system can interface with the external testing system to cause one or more testing stimuli to be launched by external testing system. The internal monitoring data can also be linked to the external testing data for drill-down viewing by a user.

An aspirating system for detecting the presence of a product representative of a hazard and a method of detecting the presence of a product representative of a hazard in an aspirating system are provided. The system comprises: piping that includes a plurality of apertures spaced apart along the length of the piping; an aspirator for drawing air from outside the piping into the piping through at least one aperture, a detector coupled to the piping for detecting the presence of a product representative of a hazard; a generator of test stimulus for generating the product representative of a hazard; wherein the test stimulus generator is fixed in, near, or on the piping such that in use a test stimulus is provided adjacent to at least one aperture of the piping. A control means can be provided to control the activation of the test stimulus from the generator and the time taken for the test stimulus to reach the detector can be measured.

A high-linearity testing stimulus signal generator comprises a signal collection unit receiving an input current signal, a waveform conversion unit connecting with the signal collection unit, a first voltage-to-current conversion unit connecting with the waveform conversion unit, a delay unit connecting with the waveform conversion unit, a second voltage-to-current conversion unit connecting with the delay unit, a current comparison unit connecting respectively with the first voltage-to-current conversion unit and the second voltage-to-current conversion unit, an error calculation unit connecting with the current comparison unit, and a compensation unit connecting with the error calculation unit. The above-mentioned structure forms a feedback mechanism to perform compensation adjustment to promote the linearity of the output signals. Thus, the present invention can generate high-accuracy testing stimulus signals.

A method of outputting a warning indicative of potential migraine onset includes controlling a display of an electronic device to display, to a user, test stimuli of at least one spatial visual contextual test that is a perceptual analogue of centre-surround neuronal responses in human vision, and receiving, via an input device of the electronic device, at least one response of the user to the test stimuli. The method also includes processing the at least one response of the user to obtain test outcome data, and outputting a warning indication of potential migraine onset to the user if the test outcome data is outside an expected range for daily fluctuation in test outcome data.

The invention relates to a composite nervous action potential tuning curve calibration and detection system. The composite nervous action potential tuning curve calibration and detection system is characterized by comprising a computer, an acoustic card, an acoustic sensor, a preamplifier, an electrode, a high-impedance input level, a bioelectric amplifier and earplugs. An audition testing platform is arranged in the computer and comprises a testing executing system and an acoustic card driving system, wherein the testing executing system comprises a plurality of calibration and detection modules. A system calibration and debugging module is used for calibrating and debugging the acoustic card and sensitivity of the acoustic sensor. An acoustic sensor position calibrating module is used for calibrating a position of the acoustic sensor testing an external auditory canal of an animal. An electrode position calibrating module is used for calibrating whether a recording electrode is disposed to testing round window membranes in the animal ears or not. A composite nervous action potential threshold curve detection module is used for testing stimulus intensity thresholds of composite nervous action potentials. A composite nervous action potential tuning curve detection module is used for detecting composite nervous action potential tuning curves. The composite nervous action potential tuning curve calibration and detection system can be widely applied to auditory detection.

A high-linearity testing stimulus signal generator comprises a signal collection unit receiving an input current signal, a waveform conversion unit connecting with the signal collection unit, a first voltage-to-current conversion unit connecting with the waveform conversion unit, a delay unit connecting with the waveform conversion unit, a second voltage-to-current conversion unit connecting with the delay unit, a current comparison unit connecting respectively with the first voltage-to-current conversion unit and the second voltage-to-current conversion unit, an error calculation unit connecting with the current comparison unit, and a compensation unit connecting with the error calculation unit. The above-mentioned structure forms a feedback mechanism to perform compensation adjustment to promote the linearity of the output signals. Thus, the present invention can generate high-accuracy testing stimulus signals.

The invention relates to a position evaluation apparatus of testing a stimulation electrode. The position evaluation apparatus is an electric pulse stimulation test apparatus and the apparatus comprises an external program control instrument and a test lead. The external program control instrument comprises a pulse generation module used for generating an electrical stimulation pulse signal. The test lead is used for connecting the external program control instrument to a stimulation electrode. The external program control instrument also comprises an electrophysiological signal acquisition module, a storage module and an electrophysiological signal comparison module, wherein the electrophysiological signal acquisition module is used for controlling the stimulation electrode so as to collect electrophysiological signals of a human body; the storage module is used for storing the electrophysiological signals collected by the electrophysiological signal acquisition module; the electrophysiological signal comparison module is used for comparing the different electrophysiological signals. By using the position evaluation apparatus of testing the stimulation electrode, during an operation process, a position offset condition of the stimulation electrode before and after being fixed can be timely and effectively evaluated and tested.

A fitting system is described for fitting electrode contacts of cochlear implant electrode array implanted in a cochlea of an implanted patient. A test stimulation generator delivers to at least one of the electrode contacts a test stimulation sequence at a variable charge level and a variable stimulation rate over time, wherein the charge level and stimulation rate are inversely related as a function of a defined loudness percept by the implanted patient to the test stimulation sequence. A response measurement module obtains objective response measurements of auditory neural tissues of the implanted patient that are affected by the test stimulation sequence. A fit mapping module defines a patient-specific fit map for the electrode contacts of cochlear implant electrode array based on the objective response measurements.

An objective screening platform for mTBI screening includes a vergence testing stimulus generator visible to a subject and configures for presenting visual stimulus to a subject which forms an optical target stimulus for at least one vergence test; at least one data acquisition unit for obtaining objective physiologic responses of the subject unit based upon each of the visual stimulus presented to the subject in each test, wherein the objective physiologic responses for each test include at least one eye position parameter and at least one pupil area parameter; and a controller configured for using at least one eye position parameter and at least one pupil area parameter to screen for the presence of mTBI of the subject

A fitting system is described for fitting electrode contacts of cochlear implant electrode array implanted in a cochlea of an implanted patient. A test stimulation generator delivers to at least one of the electrode contacts a test stimulation sequence at a variable charge level and a variable stimulation rate over time, wherein the charge level and stimulation rate are inversely related as a function of a defined loudness percept by the implanted patient to the test stimulation sequence. A response measurement module obtains objective response measurements of auditory neural tissues of the implanted patient that are affected by the test stimulation sequence. A fit mapping module defines a patient-specific fit map for the electrode contacts of cochlear implant electrode array based on the objective response measurements.