Splittable hemostatic valve and sheath and the method for using

Details Splittable hemostatic valve and sheath and the method for using Splittable hemostatic valve and sheath and the method for using

1991-07-09

1992-06-30

O'Connor, Cary E.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604161, A61H 5178

Patent

active

051259044

ABSTRACT:
A splittable hemostatic valve and introducer sheath is provided for introductions of leads or catheters through the valve and sheath combination into a vein or artery. Because of the hemostatic valve, this sheath can remain in the vein throughout the operation with the advantage of free lead exchange possibility and easier lead manipulation, especially in dual lead insertions, without bleeding, risk of air embolism or repeated sheath insertion related trauma for lead exchange. A side arm to the hemostatic valve cage provides continuous fluid drip in order to prevent clot formation in the lumen of the sheath. At the point in the operation where the introducer sheath and hemostatic valve must be removed from the lead or catheter, which must remain implanted, means are employed to split or separate the introducer sheath and valve apart so that the sheath and valve are removed from the implanted lead or catheter without the necessity of sliding either the sheath or valve over the free end of the lead or catheter. In this manner, any termination which may be provided on the free end of the lead or catheter, such as a terminal for connection to a pacemaker, will not interfere with the optimal use of the introducer sheath and hemostatic valve.

REFERENCES:
patent: 3653388 (1972-04-01), Tenckhoff
patent: 4596559 (1986-06-01), Fleischhacker
patent: 4772266 (1988-09-01), Groshong
patent: 4921479 (1990-05-01), Grayzel
patent: 4960412 (1990-10-01), Fink

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