It doesnt necessarily kill all microorganisms on contact (that would be bactericidal), but it effectively inhibits their growth and reproduction
Most likely, the machines components would fail, generating a chain reaction that could cause successive damage, ultimately disabling the machine
Bethesda (MD): National Library of Medicine 2011
Landeta C, McPartland L, Tran NQ, Meehan BM, Zhang Y, Tanweer Z, Wakabayashi S, Rock J, Kim T, Balasubramanian D, Audette R, Toosky M, Pinkham J, Rubin EJ, Lory S, Pier G, Boyd D, Beckwith J (2019) Inhibition of Pseudomonas aeruginosa and Mycobacterium tuberculosis disulfide bond forming enzymes
You inject Wegovy once per week, and it follows a dosage schedule up to a maximum dose of 7.2mg