In reply to Gile5: I've just had a read around, and I'm no expert, but I imagine you've strained your flexor digitorum profundus at the musculotendinous junction, and unless you can't move the tip of your finger (of which an inability would imply a rupture requiring surgery), there's not much a Dr would be able to do for you (aside from advising rest and maybe ibuprofen...) - anyone else please jump in if I'm wrong! At least the only information I can find is on actual tendon ruptures and their management...
I've got a similar injury on my right ring finger and it's a bitch; I just rested and tried to half or close crimp as much as possible, which seems to take the load off that particular part (which kinda makes sense in my head, if your pulleys are taking some of the force, there's less force going directly through that FDP tendon) and it has just gradually gotten better....taken ages though and it's still not the same
Good luck with it. Bump for more replies cause I'd love to know how to fix mine properly too!
Links for interest that I've just found:
http://www.aafp.org/afp/2006/0301/p810.pdf
Some other forum, long but interesting!
http://climbinginjuries.com/forums/read.php?8,516