Chiwonetsero cha Zipangizo Zachipatala cha Düsseldorf (MEDICA) ndi chiwonetsero chachikulu kwambiri komanso chodziwika bwino padziko lonse lapansi cha zipatala ndi zida zamankhwala, chomwe chili pamalo oyamba pakati pa ziwonetsero zamalonda azachipatala padziko lonse lapansi chifukwa cha kukula kwake kosayerekezeka komanso mphamvu zake. Chochitika chaka chilichonse ku Düsseldorf, Germany, chikuwonetsa zinthu ndi ntchito zosiyanasiyana zokhudzana ndi chisamaliro chaumoyo—kuyambira chisamaliro chakunja mpaka chisamaliro cha odwala omwe ali m'chipatala. Izi zikuphatikizapo magulu onse azinthu zachipatala ndi zinthu zina zogwiritsidwa ntchito, kulumikizana ndi zamankhwala ndi ukadaulo wazidziwitso, mipando yachipatala ndi zida, ukadaulo womanga malo azachipatala, ndi kasamalidwe ka zida zachipatala.