George Glazener made a fish resuscitation tank from an insulated cooler, a point four diffuser, a flow control valve, a regulator and a pony O2 tank. He'd put the HSB in there and let them stay in there a while in the oxygenated water until they recovered, then released them back into the pond.

Maybe Fireishot has a pic somewhere or more info.

www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).