#$%^&*AU2020204089A120200716.pdf#####Abstract A medical device such as a needle subassembly is disclosed including a cover over a magnetized portion of a tissue-penetrating medical device having a shielding material associated with the cover that prevents the magnetized portion of the tissue-penetrating medical device from being de-magnetized when the cover is positioned to cover the tissue- penetrating medical device.1/3 10 40 42 50 FIG. 1 51 5I.52 50 54 FIG. 2 /52 54 FIG. 3