Permanently implantable guiding catheter
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United States of America Patent
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Feb 3, 1998
Grant Date -
N/A
app pub date -
Apr 28, 1995
filing date -
Apr 28, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A permanently implantable guiding catheter for facilitating access to a body tissue site in a patient. The guiding catheter has a substantially hollow cylindrical configuration, and has a port assembly including a self-sealable septum disposed on its proximal end. The guiding catheter is made of a biocompatible material such that it may be implanted with its distal end situated at the desired body tissue site and with its proximal end and port assembly subcutaneously disposed. In accordance with one aspect of the invention, the guiding catheter has sufficient inner diameter to allow passage of a flexible elongate medical instrument, such as a drug infusion catheter or the like, therethrough. An introducer needle is used to percutaneously pierce the septum. Then, the medical instrument is inserted into the needle such that its distal end is guided by the guiding catheter to the desired body tissue site. At the completion of a procedure, the medical instrument is withdrawn from the patient, leaving the guiding catheter in place.
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