Biomagnetically localizable multipurpose catheter and method for

Details Biomagnetically localizable multipurpose catheter and method for Biomagnetically localizable multipurpose catheter and method for

1989-07-24

1991-10-15

Kamm, William E.

Surgery

Truss

Pad

128786, A61N 105

Patent

active

050565176

ABSTRACT:
A cardiac electrocatheter with two or more electrodes of non-polarizable and non-ferromagnetic conducting material is described, arranged in such a configuration that an electric field of dipolar configuration can be generated by the two distal electrodes. These two distal electrodes are connected to the other extremity of the catheter by a twisted pair of non-ferromagnetic conductors to prevent spurious magnetic fields generated along the catheter during cardiac pacing. The catheter itself can be made of different kinds of non thrombogenic, flexible, insulated, sterilizable material, with multiple parallel lumens, to allow fluid infusion, suction and/or introduction of ablation or biopsy devices.

REFERENCES:
patent: 3773037 (1973-11-01), Kolin
patent: 4289138 (1981-09-01), Halvorsen
patent: 4630611 (1986-12-01), King
patent: 4718423 (1988-01-01), Willis et al.

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