Magnetic anatomical marker and method of use

摘要: An anatomical marker uses a permanent magnet to indicate selected location within patient. The is enclosed non-degradable envelop and coupled retention member that preferably manufactured from biodegradable material, such as polyglucuronic acid based material. may include one or more barbs retain the in location. insertion tool, usable with an endoscope, can insert marker. A fixedly attached tool holds place due attractive magnetic forces between non-biodegradable envelope. When securely fastened at patient, exerted by patient's body on exceed envelope, thus causing be released tool. of subsequently detected using detector system.