To avoid disqualifying a disabled person from government aid, amounts should not be paid outright to the person or to a trusts for his support. Instead, the author suggests it is best to use a Special Needs Trust.
Friedman, Lawrence A.
"Special Needs Trusts to Safeguard Disability Benefits in Personal Injury and Divorce Settlements and Estate Planning,"
Marquette Elder's Advisor:
4, Article 10.
Available at: http://scholarship.law.marquette.edu/elders/vol2/iss4/10