Let me emphasize SBIRs at NIH most especially if you're serving a medical market. The money is good and they'll take you from prototype to market starting usually with less than $100k and over three stages to over $1M. The application process is a bit troublesome but no more troublesome than meeting with each and every VC. Check out:<p><a href="http://www.sbir.gov/index.html" rel="nofollow">http://www.sbir.gov/index.html</a><p>When you see an opportunity that could fit, contact the program officer. Talk to them about about what you're working on and how it fits. Most importantly, keep checking back.