US 12,070,364 B2
Position detection marker
Tomohiko Shibuya, Tokyo (JP); Yu Hotta, Tokyo (JP); and Takato Fukui, Tokyo (JP)
Assigned to TDK CORPORATION, Tokyo (JP)
Filed by TDK CORPORATION, Tokyo (JP)
Filed on Oct. 12, 2022, as Appl. No. 17/964,826.
Claims priority of application No. 2021-170292 (JP), filed on Oct. 18, 2021.
Prior Publication US 2023/0117248 A1, Apr. 20, 2023
Int. Cl. A61B 90/00 (2016.01); G01R 33/58 (2006.01)
CPC A61B 90/39 (2016.02) [G01R 33/58 (2013.01); A61B 2090/3958 (2016.02)] 8 Claims
OG exemplary drawing
 
1. A position detection marker comprising:
a bobbin having a cylindrical winding core;
a coil wound around the cylindrical winding core of the bobbin, the coil having an inner diameter and a first end and a second end, and
a connector connected to the first and second ends of the coil and configured to enable an external cable to be selectively attached to the connector and detached from the connector, and
an MRI marker configured to be detected by magnetic resonance imaging,
wherein the MRI marker is configured to be inserted into the cylindrical winding core of the bobbin such that the MRI marker is disposed in the inner diameter area of the coil.