초록 ▼

Methods and devices for harvesting blood vessels from the body using minimally invasive surgical techniques are disclosed. The vessel is dissected from surrounding tissue using the tip of a dissection cannula. The dissected tissue may be retracted, for example, by insufflation. The dissection cannul

Methods and devices for harvesting blood vessels from the body using minimally invasive surgical techniques are disclosed. The vessel is dissected from surrounding tissue using the tip of a dissection cannula. The dissected tissue may be retracted, for example, by insufflation. The dissection cannula may further include a balloon that can be inflated after insertion between the vessel and the surrounding tissue. An imaging device may be disposed within the cannula to permit viewing through the distal tip. In another aspect, the balloon is an everting balloon that upon inflation everts and advances along the vessel.

대표청구항 ▼

[ What is claimed is:] [1.] A method of harvesting a length of blood vessel from a body comprising the following steps:providing an elongate dissection cannula having a closed distal tip;inserting said dissection cannula through an opening in the body near the length of blood vessel;dissecting tissu

[ What is claimed is:] [1.] A method of harvesting a length of blood vessel from a body comprising the following steps:providing an elongate dissection cannula having a closed distal tip;inserting said dissection cannula through an opening in the body near the length of blood vessel;dissecting tissue away from the blood vessel with said closed distal tip; andsevering the vessel at proximal and distal ends of the length of vessel.