USr. Augusta Kunz wafika e-RCH ngo-1965 ukuze athabathe umsebenzi wokuqhuba iithiyetha ezi-2 ezikhoyo. Kwiinyanga ezithile kamva uSr. Sigeburg, wacela ukutshintshelwa eOshikuku njengoko wayefuna ukukhonza kwisikhululo esifanelekileyo sobuvangeli. Iphiko lesibhedlele iSisters zazinamagumbi athile aguqulwa abe liphiko lesibhedlele ngo-1966.

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Ngo-1966 kwafika uSr.Marita Haarmann, owahlala isithuba seenyanga ezili-9, emva koko waya ePitoli eyokwenza izifundo zokubelekisa. Wabuya ngo-1968 evela kwiRiphabhlikhi yoMzantsi Afrika, apho wathatha iwadi ephezulu njengodade ophetheyo.

USr. Marita wathunyelwa eOshikuku ngoAprili 1969, apho wakhonza khona kangangeminyaka engama-20, waza wabuyela ngoDisemba 1989. USr. Oranna wafika eWindhoek ngoAprili 1972.

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Malunga nesiqingatha seminyaka yee-1970 kwasetyenziswa isixhobo sokuqala sokwenza iifibrillator eNamibia, esathengwa yiRCH. Kwangaloo nyaka, indawo yokuhlamba impahla, eyayikho ukususela kwiminyaka yokuqala, yaphuculwa ngezixhobo ezitsha. Ngowe-1975 uSr.Berlindis wathenga i-autoclave enkulu. Yayifuna esayo isakhiwo kunye nebhoyila, kodwa yayiluphuculo olukhulu kwi-autoclave encinci kwithiyetha ngelo xesha.

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Ngo-1977, uBhishophu wayalela ukuba isibhedlele sivulelwe wonke umntu ngaphandle kwemiqobo yobuhlanga. Ngaloo ndlela ukwahlukana kweentlanga kwakuyinto yezolo kwiSibhedlele samaRoma Katolika. I-1981 yazisa ixesha elitsha lobuchwepheshe esibhedlele xa i-monitor yokuqala ye-ECG yafakwa. NgoDisemba 1981 uSr. Berlindis wayeka ukusebenza esibhedlele. Wayeneminyaka engama-72 ubudala kwaye impilo yakhe iya isiba mandundu.

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Ngowe-1982 imbalela eyoyikekayo yahlasela iNamibia, yaye ngenxa yoku, iSibhedlele samaRoma Katolika sabhengezwa “njengoMsebenzisi Omkhulu” wamanzi, kwaza kwabekwa imiqathango engqongqo kwisibhedlele. Amanzi kwakufuneka aphinde asetyenziswe apho kunokwenzeka, kwaye amanzi okuhlamba asetyenziselwa ukuzama ukugcina izitiya, izindlu zangasese ezigungxulwayo "zayenziwe ngogqirha" ukuze kusetyenziswe amanzi amancinci, njl. ixesha lemvula.

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Ukususela ngowe-1960, kwakuza kudlula amashumi amathathu eminyaka ngaphambi kokuba kuphinde kulungiswe ngokucokisekileyo. Utshintsho lwalufuneka lwenziwe, kwaye kungekudala - kwiminyaka embalwa - izinto zazisenzeka. Ulawulo lwathatha amagumbi amancinane ezigulane; ithiyetha ithenge i-autoclave encinci yokuvala inzala ngokukhawuleza.

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Isibhedlele saqhubeka sikhula kwaye iithiyetha ezimbini zingqineke zimbalwa kakhulu ukuba zingakwazi ukwenza umsebenzi. Emva kweengxubusho ezinde noBhishophu Omkhulu nebhunga lakhe ngowe-1987, kwanikelwa imvume yokwakha iiholo zemiboniso ezimbini ezongezelelweyo. Enye yakhiwe nge-lamina-flow air conditioning ukuze ilungele ukutshintshwa kwamalungu. Isibhedlele ngoku sasibonelelwe negumbi lokugcina impahla kwigumbi elingaphantsi. Ngoku bekukho indawo yelinen, i-autoclave kunye ne-gas-sterilizer yongezwa ngomlinganiselo olungileyo.  

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Ithuba lokugqibela lokwakha laqala ngowe-1988 ngokwakhiwa kwezinye iithiyetha ezi-2. Iiholo zemiboniso zanikezelwa ngoJuni 1989.

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