Patent ID: 9579160
Date: 2017-02-28
CPC Classifications: A61B

Claim:
1. A positioning marker intended to be inserted in tissue via a needle, wherein the marker is an elongated object with a longitudinal axis (A) and with a diameter perpendicular to said longitudinal axis, wherein the diameter is at the most 1.2 mm, and wherein the marker has a predetermined total length (L TOT ), wherein the marker comprises a plurality of first segments having a first width (B wherein the marker comprises a first material with a density of at least 10 g/cm the marker comprises a second material that is magnetic and that constitute at the most 10% by volume of the marker, and the marker comprises an alloy or granulation mixture comprising the first material and the second material, and wherein the marker is configured to form an entangled ball of the first and second segments when inserted in tissue and existing the needle.