Electrohydraulic probe having a controlled discharge path

Details Electrohydraulic probe having a controlled discharge path Electrohydraulic probe having a controlled discharge path

1990-09-14

1992-10-13

Cohen, Lee S.

Surgery

Instruments

Means for concretion removal

128240AA, A61B 1722

Patent

active

051547228

ABSTRACT:
An electrohydraulic probe for impacting object is shown. The electrohydraulic probe comprises a first electrode, and a second electrode which positioned at a preselected space from the first electrode defining a uniformly spaced controlled discharge path therebetween. An insulating means is disposed between and encloses the space between the first electrode and second electrode. The insulating means comprises a relatively mechanically rigid dielectric material that structurally maintains the predetermined space between the first electrode and second electrode while preventing a controlled discharge through the insulating means to cause an electrical discharge shock to occur only across the uniformly spaced controlled discharge path which electrical discharge shock generates and applies a hydraulic shock wave through a fluid to the object to impact the same.

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Electronic Engineers Handbook, 2nd Edition, Fink and Christianson, Table 9-5, "Dielectric Materials", pp. 9-12, 1982.

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