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The state of intelligent wearable monitor systems and methods: Key neurotechnology patent #40

– Illus­tra­tive image from U.S. Patent No. 7,981,058

Today we high­light a 2011 patent by Dart­mouth Col­lege, The Nation­al Insti­tutes of Health (NIH), and the U.S. Depart­ment Of Health And Human Ser­vices, aimed at fine-tun­ing treat­ment of Parkin­son’s dis­ease, stroke and oth­er dis­eases affect­ing motor func­tion. (As men­tioned, we are fea­tur­ing a foun­da­tion­al Per­va­sive Neu­rotech patent a day, from old­er to new­er by issue date)

U.S. Patent No. 7,981,058: Intel­li­gent wear­able mon­i­tor sys­tems and meth­ods

  • Assignee(s): The Trustrees of Dart­mouth Col­lege; The NIH, U.S. Dept. Of Health And Human Ser­vices Gov­ern­ment
  • Inventor(s): Metkin Akay
  • Tech­nol­o­gy Cat­e­go­ry: Neu­ro-mon­i­tor­ing
  • Issue Date: July 19, 2011

SharpBrains’ Take:

The ‘058 patent relates to wear­able sys­tems that allow for enhanced assess­ment of a patien­t’s phys­i­cal move­ment and there­by fine-tun­ing treat­ment of Parkin­son’s dis­ease, stroke and oth­er dis­eases affect­ing motor func­tion. By includ­ing two accelerom­e­ters on the patient to dis­cern rel­a­tive changes in body posi­tion­ing (e.g., between a tor­so and appendage), a patients move­ment and time data is plot­ted on a graph next to sim­i­lar move­ment pat­terns asso­ci­at­ed with a healthy indi­vid­ual. The ‘058 patent describes how com­par­ing such move­ment pro­files and relat­ed para­me­ters may allow for more spe­cif­ic diag­nos­tics and treat­ments. The sig­nif­i­cant num­ber of appli­ca­tion for­ward cita­tions (76 total), com­bined with the impor­tant con­tri­bu­tions to increas­ing pre­ci­sion in treat­ing neu­ro­mo­tor afflic­tions, are among the fac­tors mak­ing the ‘058 patent a key non-inva­sive neu­rotech­nol­o­gy patent.


An intel­li­gent wear­able mon­i­tor­ing sys­tem includes a wire­less per­son­al area net­work for extend­ed mon­i­tor­ing of a patien­t’s motor func­tions. The wire­less per­son­al area net­work includes an intel­li­gent accelerom­e­ter unit, a per­son­al serv­er and a remote access unit. The intel­li­gent accelerom­e­ter unit mea­sures accel­er­a­tion data of the patient, in real-time. The per­son­al serv­er process­es the accel­er­a­tion data, apply­ing lin­ear and non-lin­ear analy­sis, such as frac­tal analy­sis, to gen­er­ate motor func­tion infor­ma­tion from the accel­er­a­tion data. Motor func­tion infor­ma­tion is trans­mit­ted to a remote access unit for sta­tis­ti­cal analy­sis and for­mat­ting into visu­al rep­re­sen­ta­tions. A data man­age­ment unit receives the for­mat­ted motor func­tion infor­ma­tion and dis­plays the infor­ma­tion, for exam­ple, for view­ing by the patien­t’s physi­cian.

Illus­tra­tive Claim 1. A method of mon­i­tor­ing the motor func­tion of a patient, com­pris­ing:

  • cap­tur­ing accel­er­a­tion data from the patient with at least a first accelerom­e­ter and a sec­ond, biax­i­al accelerom­e­ter locat­ed on an appendage of the patient, the first accelerom­e­ter cap­tur­ing objec­tive accel­er­a­tion data, and the sec­ond, biax­i­al accelerom­e­ter cap­tur­ing sub­jec­tive accel­er­a­tion data rel­a­tive to at least the first accelerom­e­ter;
  • wire­less­ly com­mu­ni­cat­ing the accel­er­a­tion data to a per­son­al serv­er posi­tioned on the patient at a loca­tion spaced from the accelerom­e­ters; and
  • pro­cess­ing the accel­er­a­tion data by com­put­ing non­lin­ear para­me­ters for the accel­er­a­tion data to gen­er­ate at least two lev­els of motor func­tion infor­ma­tion, the non­lin­ear para­me­ters cho­sen from the group of a max­i­mum like­li­hood esti­ma­tor frac­tal, an approx­i­mate cross entropy method, and an aver­age amount of mutu­al infor­ma­tion mea­sure.

To learn more about mar­ket data, trends and lead­ing com­pa­nies in the dig­i­tal brain health space –dig­i­tal plat­forms for brain/ cog­ni­tive assess­ment, mon­i­tor­ing and enhance­ment– check out this mar­ket report. To learn more about our analy­sis of 10,000+ patent fil­ings, check out this IP & inno­va­tion neu­rotech report.

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As seen in The New York Times, The Wall Street Journal, BBC News, CNN, Reuters,  SharpBrains is an independent market research firm tracking how brain science can improve our health and our lives.

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