Radially-Firing Electrohydraulic Lithotripsy Probe
First Claim
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1. A lithotripter tip for use with a lithotripter probe, the lithotripter tip comprising:
- a first electrode positioned at a distal end of the lithotripter tip; and
a second electrode, an end of which is coaxially aligned with an end of the first electrode;
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 a shockwave that is at least semi-annular to radiate radially from the lithotripter tip.
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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.
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Citations
18 Claims
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1. A lithotripter tip for use with a lithotripter probe, the lithotripter tip comprising:
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a first electrode positioned at a distal end of the lithotripter tip; and a second electrode, an end of which is coaxially aligned with an end of the first electrode; 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 a shockwave that is at least semi-annular to radiate radially from the lithotripter tip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An invasive lithotripter probe comprising:
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a lithotripter tip comprising; a first electrode positioned at a distal end of the lithotripter tip; and a second electrode, an end of which is coaxially aligned with an end of the first electrode; wherein the first and second electrodes are positioned on the lithotripter tip such an electric arc between the ends of the first and second electrodes causes a shockwave that is at least semi-annular to radiate radially from the lithotripter tip; and a flexible encapsulating member surrounding at least a portion of the lithotripter tip, the balloon encapsulating a liquid. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. An invasive lithotripter probe comprising:
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means for creating an electrical arc between an end of a first electrode positioned at a distal end of a lithotripter tip and an end of a second electrode which is coaxially aligned with the end of the lithotripter tip; and means for encapsulating a liquid around at least a portion of the first and second electrodes; wherein the electrical arc between the ends of the first and second electrodes causes a shockwave that is at least semi-annular to radiate radially from the lithotripter tip in the liquid.
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Specification