From what I remember from an interview with the rabbi in question, the "oral suction" was not involved in this case. But because these procedures are being performed illocitly, it is hard to know what's going on or how sanitary it is.
According to VRT it was involved: https://www.vrt.be/vrtnws/nl/2024/09/20/antwerps-parket-onde...
According to VRT it was involved: https://www.vrt.be/vrtnws/nl/2024/09/20/antwerps-parket-onde...