Instavac Portable Suction Pump, Constant mode (model #757000, Instavac C) and Intermittent mode (model 756000, Instavac I); and Instavac replacement pumps, part #AI5511, a component of model numbers 756000 and 757000.
Increase in premature device failures
US Nationwide, including PR. There was government and foreign distribution. There was no military distribution.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0482-2022