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

摘要

An implantable device is provided for controlling shape and/or size of an anatomical structure or lumen. The implantable device has an adjustable member configured to adjust the dimensions of the implantable device. The implantable device is housed in a catheter and insertable from a minimally invasive surgical entry. An adjustment tool actuates the adjustable member and provide for adjustment before, during or after the anatomical structure or lumen resumes near normal to normal physiologic function.

主权项

1. An implantable device for controlling at least one of a shape and size of an anatomical structure or lumen, comprising:
an adjustable implantable device having an adjustable member configured to adjust the dimensions of the implantable device, the implantable device including an implant body; an adjustment tool configured to be removeably coupled to the adjustable member to actuate the adjustable member and provide for adjustment before, during or after the anatomical structure or lumen resumes normal physiologic function; an elongated track member arranged extending through an interior of the implant body or arranged encircling an exterior of the implant body; and a coil configured to fasten the implantable device to tissue around the anatomic structure or lumen, wherein the coil is provided in a spiral path arranged encircling the track member and having a portion adapted to extend into the tissue adjacent the implantable device around the anatomic structure or lumen.