Patent · US Active

Reformable guidewire tip

US10806905B2 · kind B2 · utility

5Cited by
7References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 3, 2015
Grant dateOct 20, 2020
Priority date—
Expiry dateJul 25, 2037

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61M2205/0266
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Devices and methods for providing an elastically deforming guidewire tip, capable of withstanding the extreme forces of high-speed rotational atherectomy, in particular orbital motion induced by an eccentric abrasive head, are disclosed. In certain embodiments, the reformable tip comprises an inner nitinol support coil, wherein the reformable tip may be attached to a larger proximal core for improved kink resistance and support for delivering adjunctive devices. In other embodiments, an inner nitinol support coil may be wrapped with a braided coil and/or a polymer sleeve. The resulting tip is more flexible with reduced risk of perforation than known guidewire tips.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.