Methods and devices for extravascular intervention

The method of claim 12, wherein the collapsible extravascular intervention device comprises two end longitudinal members having corresponding interlocking geometries.

An extravascular device for use in treating a section of a blood vessel affected by a vascular condition, the affected section of the blood vessel having a size attributed to the vascular condition, and the device comprising a structure capable of being formed into a tubular shape that, upon implantation of the device at least partially around the affected section of the blood vessel, forms a tubular structure having an access opening that allows the affected blood vessel to be placed through the tubular structure, wherein the device, when implanted, has a size that is suitable for one of:

• maintaining the affected size of the affected section and displacing vascular walls of the affected section inwardly.

An extravascular intervention device comprising a structure made of a shape memory material, wherein the structure is capable of being formed into a tubular shape that, upon implantation of the device at least partially around a blood vessel, forms a collapsible tubular structure having an access opening that allows a blood vessel to be placed through the tubular structure, and wherein the structure made of a shape memory material has a preformed tubular shape and a preformed expanded shape that are resumed when the device is implanted at least partially around the blood vessel, thereby allowing the blood vessel to be placed through the collapsible tubular structure.

An extravascular intervention device comprising:

• a structure capable of being formed into a tubular shape that, upon implantation of the device at least partially around a blood vessel, forms a tubular structure having an inner surface and an access opening that allows the blood vessel to be placed through the tubular structure;
• and
• means for administering a therapeutic agent to the blood vessel extravascularly.

A method for treating a patient with a vascular condition, comprising:

• introducing an extravascular device to a site of interest in the patient to access a blood vessel having a section affected by the vascular condition treated with an endovascular graft;
• and
• implanting the extravascular device at least partially around at least a portion of the section of the blood vessel affected by the vascular condition to limit migration of the endovascular graft within the blood vessel.