Subcutaneous biopsy cavity marker device

摘要

A marking device for identifying a subcutaneous biopsy cavity having a first nonabsorbable marker element detectable by a first imaging modality and a second nonabsorbable marker element detectable by a second imaging modality but not detectable by the first imaging modality.

主权项

1. A breast biopsy marker comprising:
a first marker element; a second marker element having an outer surface; the first marker element formed from a nonabsorbable metallic material detectable by an imaging means other than ultrasound; the second marker element formed from a nonabsorbable polymer detectable by ultrasound; and the first marker element is disposed around and contacts a portion of the outer surface of the second marker element.