초록 ▼

Methods, systems, and kits for subcutaneously implanting articles, such as drug inserts and reservoirs. The methods rely on percutaneously forming a tissue tract and radially dilating the tract to a diameter which permits introduction of the article. By fully expanding the lumenal diameter of the ti

Methods, systems, and kits for subcutaneously implanting articles, such as drug inserts and reservoirs. The methods rely on percutaneously forming a tissue tract and radially dilating the tract to a diameter which permits introduction of the article. By fully expanding the lumenal diameter of the tissue tract prior to introduction of the article, damage to the article resulting from passage through a partially expanded tissue tract can be avoided. In the exemplary embodiment, a radially expandable sleeve is first percutaneously introduced to the subcutaneous target site. An assembly of a cannula and dilator is then passed through the sleeve, effecting radial expansion. The dilator is removed and the article is then introduced through a lumen of the cannula.

대표청구항 ▼

[ What is claimed is:] [1.]1. A method for implanting an article in solid tissue, said method comprising:intramuscularly or subcutaneously inserting a radially expandable sleeve so that a distal end thereof lies adjacent to a target site in solid tissue;introducing an assembly of a cannula and dilat

[ What is claimed is:] [1.]1. A method for implanting an article in solid tissue, said method comprising:intramuscularly or subcutaneously inserting a radially expandable sleeve so that a distal end thereof lies adjacent to a target site in solid tissue;introducing an assembly of a cannula and dilator through the radially expandable sleeve, wherein the diameter of the sleeve is expanded;removing the dilator from the cannula to leave an open lumen to the tissue target site; andadvancing the article through the cannula lumen and into solid tissue at the target site.