Patent · US Active

High flexibility, kink resistant catheter shaft

US11446469B2 · kind B2 · utility

2Cited by

67References

24Claims

0Family size

Assignee

Perfuze Limited · IE

Inventors

John Logan · Plymouth, US
Scott R. Arp · Kendall, US
Andrew H. Cragg · Edina, US

Key dates

Filing date	Jul 12, 2017
Grant date	Sep 20, 2022
Priority date	—
Expiry date	Aug 13, 2038

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2025/0059
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An enhanced flexibility catheter shaft having an elongate flexible body with a proximal end, a distal end, and at least one lumen extending therethrough. A distal, flexible section on the body has a ribbed or corrugated tubular membrane having at least a first reinforcement structure, such as a first helical support, on a radially exterior or interior surface of the tubular membrane and optionally a second reinforcement structure, such as a second helical support, on the other of the radially interior or exterior surface of the tubular membrane.

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