Kodi mbiri ya mabedi akuchipatala ndi chiyani?

Mabedi okhala ndi njanji zam'mbali zosinthika adawonekera koyamba ku Britain nthawi ina pakati pa 1815 ndi 1825.

Mu 1874 kampani ya matiresi Andrew Wuest ndi Son, Cincinnati, Ohio, adalembetsa chiphaso cha mtundu wa matiresi okhala ndi mutu wopindika womwe ukhoza kukwezedwa, wotsogolera bedi lachipatala lamakono.

Bedi lamakono lachipatala losinthika la magawo atatu linapangidwa ndi Willis Dew Gatch, wapampando wa dipatimenti ya Opaleshoni ku Indiana University School of Medicine, koyambirira kwa zaka za zana la 20.Bedi lamtunduwu nthawi zina limatchedwa Gatch Bed.

Bedi lamakono lachipatala la chipatala linapangidwa mu 1945, ndipo poyambirira linaphatikizapo chimbudzi chomangidwa ndi chiyembekezo chochotsa chogona.