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Device and methods for nerve modulation using a novel ablation catheter with polymeric ablative elements

A technology of hydrophilic polymers and catheters, which can be used in balloon catheters, parts of surgical instruments, and medical flushing of surgical instruments, etc., and can solve problems such as thermal damage of blood vessel walls and scaling of blood vessel walls

Inactive Publication Date: 2014-11-05
BOSTON SCI SCIMED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this treatment can result in thermal damage to the vessel wall adjacent to the electrodes, as well as other undesirable side effects such as, but not limited to, blood damage, clotting, weakened vessel walls, and / or protein scaling of the electrodes

Method used

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  • Device and methods for nerve modulation using a novel ablation catheter with polymeric ablative elements
  • Device and methods for nerve modulation using a novel ablation catheter with polymeric ablative elements
  • Device and methods for nerve modulation using a novel ablation catheter with polymeric ablative elements

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Embodiment Construction

[0033] The following description should be read with reference to the accompanying drawings, wherein like reference numerals represent like elements throughout. The figures are not necessarily drawn to scale, and the figures are not intended to limit the scope of the claimed invention. Example embodiments of the claimed invention are described and illustrated in detail.

[0034] All quantities are assumed herein to be modified by the term "about". The recitation of numerical ranges by endpoints includes all numbers subsumed within that range (eg, 1 to 5 includes 1, 1.5, 2, 2.75, 3, 3.80, 4, and 5).

[0035] As used in this specification and the appended claims, the singular forms "a", "an" and "the" include plural referents unless the content clearly dictates otherwise. As used in this specification and the appended claims, the term "or" is generally employed in its sense including "and / or" unless the content clearly dictates otherwise.

[0036] Note that references in the ...

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Abstract

The disclosure pertains to an intravascular catheter for nerve modulation, comprising an elongate member having a proximal end and a distal end, a balloon having a lumen and a balloon wall, the balloon wall comprising RF permeable sections and non-electrically conductive sections, an electrode disposed within the balloon and extending distally to the furthest distal RF permeable section. The RF permeable sections may comprise a plurality of RF permeable windows, each window having a greater circumferential dimension than an axial dimension. The intravascular system is suited for modulation of renal nerves.

Description

[0001] Cross References to Related Applications [0002] This application claims under 35 U.S.C § 119 U.S. Provisional Application No. 61 / 580,972 filed December 28, 2011, U.S. Provisional Application No. 61 / 605,615 filed October 1, 2012, and October 3, 2012 Priority to U.S. Provisional Application No. 61 / 605,624 filed on January 1, which are incorporated herein by reference. technical field [0003] The present invention generally relates to percutaneous and intravascular devices for performing nerve modulation and / or ablation. Background technique [0004] Certain treatments require the temporary or permanent interruption or modification of selected neural functions. An example treatment is renal nerve ablation, which is sometimes used to treat conditions associated with congestive heart failure. The kidneys produce a sympathetic response to congestive cardiac failure which, among other effects, increases undesirable retention of water and / or sodium. Ablation of some of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B18/14
CPCA61B18/1492A61B2018/0016A61B2018/1472A61B2218/002A61B2018/00577A61M25/10A61B2018/00238A61B2018/0022A61B2018/00434A61B2018/00404A61B2018/147A61B2018/00791A61B2018/00166A61B2018/1435A61B2018/00511A61B18/18A61B2018/00136A61B18/00A61B2018/00077A61B2018/00083
Inventor R.苏布拉马尼亚姆Z.屯D.J.霍尔恩D.萨特梅斯特J.M.安德森J.S.林德奎斯特K.D.哈里森
Owner BOSTON SCI SCIMED INC
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