Elongated, tapered flexible front guide for electrical catheters

Details Elongated, tapered flexible front guide for electrical catheters Elongated, tapered flexible front guide for electrical catheters

1978-06-08

1979-10-02

Kamm, William E.

Surgery

Truss

Pad

128784, A61N 104

Patent

active

041694791

ABSTRACT:
An endocardial lead, includes an elongated, tapered guide of non-conductive plastic in front of the exposed metal electrode which normally would form the free terminal tip of the lead. The tapered front guide eases the insertion of the catheter into a vein, and flexes into a curve which approaches the right angular when engaging the wall of the right ventricle chamber of the heart while positioning the exposed metal electrode in the apex of the chamber. The guide thus prevents the electrode from piercing the wall and its angularly bent or curved configuration tends to prevent dislodgement of the electrode from the apex.

REFERENCES:
patent: 2221138 (1940-11-01), Hendrickson
patent: 3516412 (1970-06-01), Ackerman
patent: 3664347 (1972-05-01), Harmjanz
patent: 3837347 (1974-09-01), Tower
patent: 3890977 (1973-06-01), Wilson
patent: 3939843 (1976-02-01), Smyth
patent: 3995623 (1976-12-01), Blake et al.

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