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Ms Wang, another Beijing resident, and her family have pre-purchased Paxlovid before it becomes too expensive, as well as an oxygenator and pulse oximeter, for her grandfather-in-law.

Also known as ECMO, it is a last resort, invasive treatment involving a machine that siphons blood out of the patient, runs it through an oxygenator and pumps it back into the body.

It makes sense that they’d have the super oxygenator even early astronauts used on a space ship.

It’s inventor, Tom Belcher, describes it as “an oxygenator, not an aerator,” because it injects pure oxygen rather than air into the wine in your glass.

For the next 45 minutes, doctors and nurses performed CPR and hooked him up to a specialized heart-lung bypass machine that ran his blood through an oxygenator before pumping it back into his body.