RADIALLY-FIRING ELECTROHYDRAULIC LITHOTRIPSY PROBE
First Claim
7. An invasive lithotripter probe system comprising:
- a lithotripter tip comprising;
a first electrode; and
a second electrode;
a flexible encapsulating member surrounding at least a portion of the lithotripter tip, the flexible encapsulating member encapsulating a liquid; and
an electrical source configured to charge the first electrode to a first polarity;
wherein the first and second electrodes are positioned on the lithotripter tip such that an electric arc between the ends of the first and second electrodes causes an annular shockwave to radiate radially from the lithotripter probe.
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Abstract
Invasive side-firing electrohydraulic lithotripsy probes that creates a substantially annular shockwave to break up concretions are disclosed. Generally, the side-firing electrohydraulic lithotripsy probe includes a lithotripter tip including a first electrode and a second electrode. The first electrode is positioned at a distal end of the lithotripter tip and the second electrode is positioned in the lithotripter tip such that an end of the second electrode is coaxially aligned with an end of the first electrode. An electric arc between the first and second electrodes causes a shockwave to radiate radially from the lithotripter tip.
82 Citations
15 Claims
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7. An invasive lithotripter probe system comprising:
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a lithotripter tip comprising; a first electrode; and a second electrode; a flexible encapsulating member surrounding at least a portion of the lithotripter tip, the flexible encapsulating member encapsulating a liquid; and an electrical source configured to charge the first electrode to a first polarity; wherein the first and second electrodes are positioned on the lithotripter tip such that an electric arc between the ends of the first and second electrodes causes an annular shockwave to radiate radially from the lithotripter probe. - View Dependent Claims (1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15)
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13-1. The invasive lithotripter probe system of claim 13, wherein the small lumen of a body organ is a fallopian tube.
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13-2. The invasive lithotripter probe system of claim 7, wherein the first electrode is positioned at a distal end of the lithotripter tip and wherein an end of the second electrode is coaxially aligned with an end of the first electrode.
Specification