Desperate for sleep!

My LO is 4 1/2 months, and about a month ago she hit the dreaded 4 month sleep regression. She used to sleep 7-8 hrs at a time in her co-sleeper right next to my bed. After a few nights of her waking every 30 minutes, I caved and brought her into my bed. It's now been about 2 weeks and she is sleeping a bit better, but ONLY in my bed when I'm right next to her. Any suggestions for getting her back into her own bed? I used to get her mostly to sleep, then lay her down awake. These days she starts screaming before I even set her down. I am desperate, any advice would be appreciated :)