[icegreentea2]

Antibiotics are consumables - in a B2B context (it's a medical service provider who is paying the subscription fee), antibiotics are basically a subscription.

Many (most?) diagnostic devices have consumables which is where companies make the bulk of their revenue. Failing that, service contracts are usually in place to lock in some sort of sustained reoccuring revenue.

There is no fundamental reason why a company couldn't do your proposed model, but upgrades are definitely challenging - if you make your model better, or you improve your hardware, or basically do anything that isn't a bug fix or an ancillary upgrade (like I dunno, you made the thing boot up 25% faster), will likely require additional testing and approval from the FDA.

[NoZebra120vClip]

One of the genius medical marketing tactics was to create disposable condoms for thermometers, ear probes, etc., so that you can use one up for each patient and then purchase a whole big box of them on a subscription basis, rather than going through a simple bottle of sanitizer that could clean anything and everything that needs it. (And then of course, nobody cleans the probe underneath, as it just gets slightly grodier with each use.)

[hereme888]

That's not why disposables were adopted. A "simple bottle of sanitizer" is less likely to get rid of biofilm and spores, especially given the laziness and error of end-users.

Disposables are inherently safer. Lots of trash, and more expensive, but the best option for wealthy nations that can afford the best care.

[iancmceachern]

We didn't invent it. We in this industry refer to this as the "razor - razorblade model". Nothing is ever new.

[hereme888]

I wouldn't pay for a 25% faster bootup unless it was an emergency life-saving device. You'd have to sell me something significantly better and worth my money, like any other seller in the world has to do with their product, from computers, to cars, to fast food.

I'm not sure that a software upgrade would require FDA approval, but product testing is a cost incurred by anyone in any industry. Even a new burger recipe would be tested at the restaurant's own expense. That doesn't seem to justify a subscription model (after paying the initial cost of the device, etc).