▁field ▁of ▁air way ▁management . ▁ ▁Biography ▁ ▁He ▁is ▁First ▁Chair man ▁of ▁the ▁Scient ific ▁Society ▁for ▁Home op ath y ▁( W iss Hom ), ▁founded ▁in ▁ 2 0 1 0 , ▁president ▁of ▁the ▁Um bre lla ▁organization ▁of ▁Aust rian ▁Do ctors ▁for ▁Hol istic ▁Medicine , ▁since ▁ 2 0 0 2 ▁and ▁since ▁ 1 9 9 4 ▁Vice pres ident ▁of ▁the ▁Do ctors ▁Association ▁for ▁Class ical ▁Home op ath y . ▁Fr ass ▁is ▁the ▁invent or ▁of ▁the ▁Com bit ube , ▁an ▁emer gency ▁air way ▁allowing ▁blind ▁insert ion ▁used ▁in ▁the ▁pre - h ospital ▁and ▁emer gency ▁setting . ▁Fr ass ▁holds ▁several ▁pat ents ▁and ▁registered ▁designs . ▁ ▁Hom oe op ath ic ▁research ▁ ▁A ▁major ▁interest ▁of ▁Fr ass ▁is ▁home op ath y ▁according ▁to ▁H ahn emann . ▁He ▁has ▁published ▁several ▁papers ▁on ▁this ▁subject , ▁in ▁addition , ▁he ▁has ▁edited ▁a ▁text ▁book ▁Home op ath y ▁in ▁Int ensive - ▁Care ▁and ▁Emer gency ▁Medicine ▁together ▁with ▁Martin ▁B ünd ner . ▁ ▁Air way ▁He ▁has ▁also ▁published ▁several ▁papers ▁investig ating ▁the ▁influence ▁of ▁controlled ▁mechanical ▁vent ilation ▁on ▁the ▁release ▁of ▁at rial ▁nat ri ure t ic ▁pe pt ide . ▁Furthermore , ▁Fr ass ▁has ▁investig ated ▁devices ▁designed ▁for ▁se cur ing ▁the ▁air way ▁under ▁emer gency ▁conditions . ▁He ▁has ▁performed ▁studies ▁on ▁a ▁broad ▁range ▁of ▁different