Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2007-07-10
2007-07-10
Luchessi, Nicholas (Department: 3763)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C604S164090, C604S096010, C607S116000
Reexamination Certificate
active
10423587
ABSTRACT:
A method for intracranial treatment of a patient is disclosed. The method comprises the steps of inserting into the brain an outer catheter having an exterior surface, an inflatable balloon mounted upon the exterior surface, at least one element distal to the balloon upon the exterior surface, at least one aperture and a lumen; inflating the balloon to seal a tract created during insertion; inserting an inner catheter into the lumen which has a passageway and at least one port, the outer catheter guiding the inner catheter to the desired tissue region; and transferring fluids between the proximal end of the inner catheter and the tissue region through the passageway. Each element is adapted for monitoring or electronically stimulating brain tissue or for allowing identification of the location of the element catheter within the brain. The method facilitates regular accurate placement of the drug delivery catheter at the tissue region without additional extended brain contact during insertion. Drugs can be administered through ports near the distal end of the inner catheter or fluid can be removed from the brain through these ports.
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Ad-Tech Medical Instrument Corp.
Jansson & Shupe & Munger Ltd.
Luchessi Nicholas
Stigell Theodore J.
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