Patent ID: 6951569

Claim:
A surgical balloon for insertion into a uterus, comprising: a substantially continuous outer wall defining an exterior surface of the balloon on a first side and an interior hollow of the balloon on a second side, the outer wall being formed from a stretchable elastic material and being stretchable by pressure within the inner interior hollow between a collapsed state and an expanded state; the substantially continuous outer wall having a base portion for coupling with a shaft, an intermediate portion adjacent the base portion and an end portion at a distal end of the balloon and adjacent the intermediate portion, left and right extensions configured for insertion into the uterine cornua when the surgical balloon is in the expanded state, the extensions being spaced from each other and lying on either side of the end portion, and intermediate portions lying in between the base portion and the left and right extensions; wherein the base portion has a first primary wall thickness, the intermediate portions has have a second primary wall thickness, and the end portion has a third primary wall thickness, the left and right extensions have a fourth primary wall thickness, and the fourth primary wall thickness is less than the third primary wall thickness.