Drug dispensing irrigatable electrode

Details Drug dispensing irrigatable electrode Drug dispensing irrigatable electrode

1980-09-11

1982-11-23

Cohen, Lee S.

Surgery

Truss

Pad

128419P, A61N 104

Patent

active

043600310

ABSTRACT:
A transvenous pacing lead suitable for chronic implantation having structure which permits dispensing of drugs or other chemical agents from the ring tip electrode upon physician discretion from implant through chronic implantation. A bipolar, tined endocardial ventricular lead has a plurality of small apertures within the ring tip electrode which are connected by a tube within the lead body to a bladder at the proximal end of the lead. The bladder is detachable to permit a stylet to be passed through the tube to guide the lead during implantation. A reed valve at the distal end of the tube prevents body fluid from entering the tube. A stylet restraint prevents the stylet from damaging the reed valve during implant.

REFERENCES:
patent: 3533403 (1970-10-01), Woodson
patent: 3568660 (1971-03-01), Crites et al.
patent: 3618613 (1971-11-01), Schulte
patent: 3640269 (1972-02-01), Delgado
patent: 3680544 (1972-08-01), Shinnick
USCI Catalog, Jun., 1974, pp. 1-12.

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