Surgery – Devices transferring fluids from within one area of body to... – With flow control means
Patent
1995-05-26
1996-07-02
Milano, Michael J.
Surgery
Devices transferring fluids from within one area of body to...
With flow control means
604275, 604280, A61M 500
Patent
active
055316735
ABSTRACT:
A tubular ventricular catheter having an improved distal open end that improves the fluid flow therein and which reduces the tearing of any choroid plexus or other brain tissue which might grow into the lumen of the catheter. The catheter tip is provided with longitudinal slots extending from the distal end and partially through the elongated body of the catheter. To preserve the open communication of the tip to fluid flow the edges of the longitudinal slots can be scalloped by a series of semicircular cutouts, which will form lateral passageways into the center bore of the catheter in the event the distal open end collapses. The catheter is also equipped with an electrical signal generator which will function to prevent growth of tissue into the lumen, and aid in proper placement of the proximal end of the catheter in the ventricle.
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patent: 5385548 (1995-01-01), Williams
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