Patent ID: 11937909
Assignee: SIRIUS MEDICAL SYSTEMS B.V.
Field: Measurement (Instruments)
Classification: CPC A  G | IPC A  G

Claim 11:
12. A magnetic marker for use in locating tissue for surgery, comprising:
a casing,
at least two magnetic elements arranged in a row in the casing, wherein the two or more magnetic elements are made of ferromagnetic material,
one or more isolating layers arranged between the two adjacent magnetic elements to prevent that the at least two magnetic elements magnetically act as a single element,
wherein the casing and the one or more isolating layers are made of different materials, and
wherein the magnetic marker is non-bio-absorbable,
wherein the casing comprises an annular sleeve and two cover plates to cover the opposite open ends of the annular sleeve, and
wherein the at least two magnetic elements are solid cylindrical elements arranged next to each other in the annular sleeve.