Don't know if this will be helpful, because there is certainly more risk involved.
That said, when I have to bolus post-prandial for some reason, I use a syringe with a long (12mm) needle and give and intramuscular injection in my thigh. I then go out and walk for 15 minutes.
The IM injection infuses faster to begin with, and the walking REALLY speeds it up. This can make the difference between spiking into the 200-300 range vs. staying under 200, eating exactly the same meal.
I do the same for corrections when I'm over 200 (unless it's not convenient, which is too often the case -- then I just deliver a dose via my pump).
Managing IOB with this sort of mixed administration technique is complicated. I use Holger's Glucosurfer to track and manage all insulin dosing -- syringe or pump -- on those infrequent occasions when I do inject, and ignore the pump's IOB and bolus caculations until Glucosurfer clears and indicates 0 IOB. Then I can get back on board with letting the pump handle everything.
It's not as crazy as it sounds... Usually when facing this situation, it's only one injection, no more that day (or probably many days). IA is 4 hours. So the whole "special case" usually clears out in 4 hours, and the pump is back in full control again.