Medicine applying tool

Details Medicine applying tool Medicine applying tool

1995-05-31

1997-05-13

Hafer, Robert A.

Surgery

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

A61M 2500

Patent

active

056287283

ABSTRACT:
A medicine applying tool is provided at the tip of a catheter that is used to inject the medicine. An electrode portion has first and second electrodes that are provided so that they interpose a piezoelectric element therebetween. An opening is provided in the vicinity of the electrode portion, and serves to inject a medicine supplied through the catheter into a patient. A third electrode is electrically connected to the patient. An electric signal of an ultrasonic frequency is applied to the first and second electrodes therebetween. A DC voltage is applied to the third electrode and the outside one of the first and second electrodes therebetween.

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