Balloon catheters having the strength and maximum inflated diameter characteristics of an angioplasty balloon and having the recovery characteristics during deflation of an elastic embolectomy balloon. The balloon catheter can be made in very small sizes and has a lubricious and chemically inert outer...http://www.google.co.uk/patents/US6923827?utm_source=gb-gplus-sharePatent US6923827 - Balloon catheter device
