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Medical device with control circuitry to improve communication quality

專利號(hào)
US10785720B2
公開(kāi)日期
2020-09-22
申請(qǐng)人
Pacesetter, Inc.(US CA Sylmar)
發(fā)明人
Perry Li; Lequan Zhang; Xing Pei; Jeffery Crook; Yongjian Wu; Jun Yang; Chao-Wen Young
IPC分類
H04W52/02; H04W4/80; G16H40/40; A61N1/372; H04Q9/00; A61B5/00
技術(shù)領(lǐng)域
imd,session,power,telemetry,in,or,break,count,dbm,level
地域: CA CA Sylmar

摘要

A method for managing power during communication with an implantable medical device, including establishing a communications link, utilizing a power corresponding to a session start power, to initiate a current session between an implantable medical device (IMD) and external device. A telemetry break condition of the communications link is monitored during the current session. The power utilized by the IMD is adjusted between low and high power levels, during the current session based on the telemetry break condition. The number of sessions is counted, including the current session and one or more prior sessions, in which the IMD utilized the higher power level, and a level for the session start power to be utilized to initiate a next session following the current session is adaptively learned based on the counting of the number of sessions.

說(shuō)明書(shū)

At 606 a determination is made whether there is a telemetry break condition is provided. In one example the telemetry break condition occurs when a signal is lost resulting in a telemetry break. Alternatively, the potential telemetry break condition is determined based on measured parameters such as signal strength, interference noise level, signal to noise ratio, and the like. In one example a threshold is provided related to one of these parameters, such a signal to noise ratio, that once exceeded, or once falling below the threshold indicates the potential telemetry break is presented. In one example monitoring the telemetry break condition includes determining a number of return errors from sent data packets.

Thus, at 608 if a telemetry break occurs at 606 flow goes to the right and the one or more processors determine if the maximum power flag is set as true. In one example the maximum power flag is set as true as a result of the initial power setting being set at a maximum power as provided in the method of FIG. 5. Alternatively, the maximum power flag is set as true as a result of determination made in this method 600 of FIG. 6.

權(quán)利要求

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