Methods and apparatus for controlling the internal circumference of an anatomic orifice or lumen

摘要

An implantable device is provided for controlling at least one of shape and size of an anatomical structure or lumen. An implantable device has an adjustable member 5 configured to adjust the dimensions of the implantable device. An adjustment tool is configured to actuate the adjustable member and provide for adjustment before, during and after the anatomical structure or lumen resumes near normal to normal physiologic function. Fig. 1 1 g 10 36 30 30 f Fig. 2 Fig.p 3