公开(公告)号：US10760961B2

公开(公告)日：2020-09-01

申请号：US15815330

申请日：2017-11-16

Applicant: IRIDIUM MEDICAL TECHNOLOGY CO., LTD.

Inventor： Long-Sheng Fan ,  Hsin Chen ,  Yung-Chan Chen

IPC: G01J1/44 ,  A61F2/14 ,  G01J1/18 ,  G01J1/08 ,  G01J1/02

Abstract: The present invention relates to a method for testing a retinal implant. After an implantable device for interfacing with retinal cells is provided, an external stimulus is applied to the implantable device so that the implantable device transmits a first pulse to a processing device through a wireless interface. When a conversion unit is controlled to gradually decrease an output voltage until the implantable device outputs an output voltage lower than a reference voltage, the implantable device transmits a signal different from the first pulse to the processing device through the wireless interface. The processing device determines a current value of a pixel unit according to a time difference between the first pulse and the signal.

公开(公告)号：US11464975B2

公开(公告)日：2022-10-11

申请号：US16556634

申请日：2019-08-30

Applicant: IRIDIUM MEDICAL TECHNOLOGY CO., LTD.

Inventor： Long-Sheng Fan

IPC: A61N1/36 ,  A61N1/372 ,  A61N1/05 ,  H01L23/498

Abstract: Methods and apparatuses to detect configuration commands from waveforms received at a retina prosthesis device for calibrating the device are described. The device can comprise an array of pixel units to receive light to stimulate neuron cells to cause an effect of visual sensation from the light. The pixel units may have configurable parameters for the stimulation to the neuron cells. The configurable parameters may be updated according to the configuration commands detected without requiring micro processor and non-volatile memory in the device. The stimulation may be generated according to the updated configurable parameters to improve the effect of visual sensation from the light including compensation for the physiological and environmental variations and drifts.