US 12,004,911 B2
Biopsy site marker for limited migration
Elijah Kreider, Hamilton, OH (US); Peter Shadix, Cincinnati, OH (US); Emmanuel V. Tanghal, Mason, OH (US); Jordan Rebellino, Cincinnati, OH (US); Andrew Small, Cincinnati, OH (US); Ramon Alberto Ramos, Loveland, OH (US); Taylor Vohland, West Chester, OH (US); Jack A Randall, Cincinnati, OH (US); David C. McBreen, Cincinnati, OH (US); LeRonda Perry, Elkridge, MD (US); Edward A. Rhad, Fairfield, OH (US); Jessica P. Leimbach, Cincinnati, OH (US); Sarah Payne, Cincinnati, OH (US); Anne E. Storer, Cincinnati, OH (US); Andrew T. Robinson, Cincinnati, OH (US); John Kevin Bruce, Morrow, OH (US); and Rachel Yoon Choung, Studio City, CA (US)
Assigned to Devicor Medical Products, Inc., Cincinnati, OH (US)
Filed by Devicor Medical Products, Inc., Cincinnati, OH (US)
Filed on Nov. 17, 2021, as Appl. No. 17/528,666.
Application 17/528,666 is a continuation of application No. PCT/US2020/035190, filed on May 29, 2020.
Claims priority of provisional application 62/854,352, filed on May 30, 2019.
Prior Publication US 2022/0071733 A1, Mar. 10, 2022
Int. Cl. A61B 90/00 (2016.01)
CPC A61B 90/39 (2016.02) [A61B 2090/3908 (2016.02); A61B 2090/3925 (2016.02); A61B 2090/3966 (2016.02); A61B 2090/3987 (2016.02)] 8 Claims
OG exemplary drawing
 
1. A biopsy site marker, comprising:
a carrier; and
a marker element disposed within the carrier, the carrier including a first marker material and a second marker material, the first marker material and the second marker material being arranged linearly with respect to each other, the first marker material and the second marker material being each configured to expand in the presence of moisture, the first marker material being configured to expand at a rapid rate relative to the second marker material in the presence of moisture, and
the first marker material and the second marker material being joined at one or more interfaces disposed between the first marker material and the second marker material, each interface of the one or more interfaces being configured to locally restrict the rate of expansion of the first marker material proximate the interface,
the marker element being disposed within both the first marker material and the second marker material such that the marker element is configured to couple the first marker material to the second marker material.