Patent ID: 6958044

Claim:
A medical device for localization of tissue at a target site within a patient's body, comprising: a shaft having a distal shaft portion with a distal tip, and being configured for placement within the patient's body at target site; a radially expandable side-cutting element which has an expanded configuration for cutting a tissue sample from target tissue and which is disposed on said shaft proximal of said distal tip; a first fixation element which extends away from the distal shaft portion in a proximal direction, which has a free end, which has another end secured to the distal shaft portion proximal of said distal tip and which is configured for securing the distal shaft portion of said medical device within tissue at said target site; and a second fixation element which extends away from the distal shaft portion in a distal direction, which has a free end, which has another end secured to the distal shaft portion proximal of said distal tip and which is configured for securing the distal shaft portion of said medical device within tissue at said target site.