Shockwave catheter system with energy control
US9333000B2 · kind B2 · utility
98Cited by
63References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2012 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Apr 27, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/22065
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system that breaks calcium in a liquid includes a catheter including first and second electrodes arranged to receive there-across a high electrical voltage at an initial low current. The high electrical voltage causes an electrical arc to form across the electrodes creating a gas bubble within the liquid, a high current to flow through the electrodes, and a mechanical shock wave. A power source provides the electrodes with the high electrical voltage at the initial current and terminates the high electrical voltage in response to the high current flow through the electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.