电子 神经 残障恢复

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1、Withbetter,strongerandfastercomponents,thebionicagehasfinallyarrived,saysJulianSmithWehavethetechnologyFiveyearsafterhelostalegtoalandmineinAfghanistan,AmericanwarveteranMikeMcNaughtoncanrunwellenoughtocoachhis11-year-oldson’ssoccerteam.Thisamazingcomebackcomespartlyfromhisdeterminati

2、ontogetbackontwofeet,butalsofromapieceofhigh-techhardware:acomputerised,hydraulickneethatmonitorsandadjustseverystep,witharesponsetimeinmilliseconds.“NowIcanrunwiththekidsfullblastandkicktheballaroundwiththem,”hesays.Afterdecadesofamputeeshavingtomakedowithdesignsthathadchangedlittles

3、incethesecondworldwar,artificiallimbsthatpredicttheiruser’severymovementandlookliketherealthingarefinallybreakingoutofthelab.YetconvincingandcomfortablesyntheticlimbslikeMcNaughton’sareonlythebeginningofthebionicage.Emergingprosthetictechnologiespromisenotonlygreaterpowerandflexibilit

4、ybutalsopressure-sensitiveartificialskin,andevenlimbsthatarebondedtothebodyandcontrolledbythemind–andmuchofthiswithinfiveyears.Rebuildingamputeestobefasterandstrongerthanbeforeisrapidlybecomingarealisticpossibility.Withexperimentalprostheticsincreasinglyabletointegratewithflesh,bonean

5、dthenervoussystem,theveryideaof“losingalimb”mayonedaybecomeobsolete.“Thisisperhapsthemostexcitingtimeevertobeinvolvedinadvancedprosthetics,”saysJohnBigelowoftheappliedphysicslaboratoryatJohnsHopkinsUniversityinBaltimore,Maryland,whoworksonbraincontrolledroboticarms.Bionicsresearchera

6、nddoubleamputeeHughHerr,oftheMITMediaLab,aimstomergebodyandmachineTherearemanyreasonsforthisbionicgoldrush,saysBigelow.Smaller,bettercomponentshavemadeitpossibletopackmorehardwareintoalimbthaneverbefore.TherearealsomoreandmoreamputeesintheUSbecauseofsoaringratesofdiabetes–whichcancaus

7、enerveandvasculardamage–andinjuriessufferedbysoldiersintheMiddleEast.Thesefactorshaveencouragedmoreinvestmentinbionictechnologiesthaneverbefore.Theearlyresultsofthisboomarenowreachingtheopenmarket.Forupto$30,000,apersonwhohaslostalegtoillnessorinjurycanobtainaprostheticlikeMcNaughton’

8、s,com