Title:
心臓弁における石灰化部の破砕
Document Type and Number:
Japanese Patent JP2011528963
Kind Code:
A
Abstract:
A device for fracturing calcifications in heart valves including a catheter (12, 22, 42) configured for percutaneous delivery to a heart valve, an fracture-producing element (14, 26, 46, 64, 66,82, 124, 152) disposed at a distal portion of the catheter and operative to vibrate and mechanically fracture calcifications when brought into contact with a calcification at a leaflet of the heart valve, and an energy source (34, 47, 79, 98, 152) operative to vibrate the fracture-producing element so that the fracture-producing element fractures the calcification without necessarily removing the calcification from the leaflet. The device may further comprise a valvuloplasty balloon (30), an embolic protection net (56) and a protective sleeve (110, 130).
Inventors:
Golan, Elez
Application Number:
JP2011520248A
Publication Date:
December 01, 2011
Filing Date:
July 27, 2009
Export Citation:
Assignee:
Golan, Elez
International Classes:
A61B17/22; A61B18/00
Domestic Patent References:
| JP2009540954A | 2009-11-26 | |||
| JP2008522755A | 2008-07-03 | |||
| JP2005529652A | 2005-10-06 | |||
| JP2006507862A | 2006-03-09 | |||
| JP2009525121A | 2009-07-09 | |||
| JP2004503277A | 2004-02-05 |
Foreign References:
| WO2007149905A2 | 2007-12-27 | |||
| US20060229659A1 | 2006-10-12 | |||
| US4484579A | 1984-11-27 | |||
| US20040230117A1 | 2004-11-18 |
Attorney, Agent or Firm:
Yuji Iizuka