Patent · US Active

Sheathing for restoring the function of valves of varicose veins and use of the sheathing in surgery

US8313533B2 · kind B2 · utility

10Cited by

5References

26Claims

0Family size

Assignee

Aesculap AG · DE

Inventor

Helmut Goldmann · Tuttlingen, DE

Key dates

Filing date	Dec 5, 2008
Grant date	Nov 20, 2012
Priority date	—
Expiry date	Mar 4, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2/2442
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A sheathing has a longitudinal direction and a transverse direction for restoring function of venous valves of varicose veins in the form of a planar, flexible piece of material, wherein the piece of material includes a nonwoven material.

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