Not an expert, but it would appear your spouse would not be eligible for spousal benefits until you are eligible for SS benefits. Currently when you are 62 and he is 72. He would then be eligible to receive half of your full retirement age benefit, even though you would only be able to receive a reduced amount based on your full retirement age.
At age 65, he would be eligible to purchase medicare coverage, at whatever the rates are at that time according to current laws.
Edit: Link for medicare:
EDIT2: When you apply for benefits at 62, you could suspend actually receiving your benefit until a later age to receive an higher benefit under current rules. But who knows what the rules will be when you are actually 62.
Hope this helped a lil. Check FAQs on www.ssa.gov