Patent ID: 7549996
Filing Date: 2009-06-23
Classification: A61B,A61M

Abstract:
1. A safe method for surgically creating a tunnel subcutaneously through the tissues of a living subject from an open channel at a pre-existing primary incision site to a pre-chosen secondary external exit site, said safe method comprising the steps of: assembling a medical needle assembly comprising an elongated needle body including introducing said sharp open tip of said assembled medical needle assembly into the open channel of the pre-existing primary incision site in the living subject; orienting said introduced sharp open tip of said assembled medical needle assembly within the open channel of the pre-existing primary incision site towards the secondary external exit site in the living subject, the secondary external exit site being pre-chosen to be adjacent and anatomically lateral to the primary incision site; inserting said oriented sharp open tip of said medical needle assembly into the subcutaneous tissues of the living subject; forcibly moving said inserted sharp open tip of said medical needle assembly through the subcutaneous tissues of the living subject until the pre-chosen secondary external exit site is reached; and piercing the skin at the pre-chosen secondary external exit site using said sharp open tip of said medical needle assembly such that said sharp open tip perforates the skin and becomes becomes exposed to the ambient environment.