US 12,127,958 B2
Intraluminal device and method with anti-migration
Randal S. Baker, Grand Rapids, MI (US); and Frederick J. Walburn, Ada, MI (US)
Assigned to BFKW, LLC, Ada, MI (US)
Filed by BFKW, LLC, Ada, MI (US)
Filed on Sep. 24, 2021, as Appl. No. 17/484,344.
Application 17/484,344 is a continuation in part of application No. PCT/IB2020/052765, filed on Mar. 24, 2020.
Claims priority of provisional application 62/823,259, filed on Mar. 25, 2019.
Claims priority of provisional application 63/226,257, filed on Jul. 28, 2021.
Prior Publication US 2022/0039977 A1, Feb. 10, 2022
Int. Cl. A61F 2/90 (2013.01); A61F 2/04 (2013.01)
CPC A61F 2/90 (2013.01) [A61F 2/04 (2013.01); A61F 2002/044 (2013.01); A61F 2220/0016 (2013.01); A61F 2230/0052 (2013.01); A61F 2250/0039 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A method of resisting migration of a device in a lumen, said lumen having an esophagus, a stomach and a muscle defining a gastro-esophageal (EG) sphincter between the esophagus and the stomach, said method comprising:
said device having a body with a size and shape of a portion of the lumen wherein said device body is coupled with another body with a connector, wherein said body comprises an esophageal member configured to the size and shape of the distal portion of the esophagus wherein said another body comprises a cardiac member distal of the gastro-esophageal (EG) sphincter, and configured to the size and shape of a portion of the cardiac portion of the stomach wherein said connector passes through the EG sphincter
the device further includes at least one tine extending distally from the body, said at least one tine being rigid or semi rigid, wherein said at least one tine is configured to penetrate the muscle of the EG sphincter sufficiently to resist separation of the at least one tine from the muscle due to peristalsis;
deploying the device in the lumen with the body proximal the EG sphincter with respect to peristaltic movement of the lumen with the at least one tine penetrating the muscle of the sphincter; and
explanting the device including moving the at least one tine to not extend outwardly from the body, wherein said device includes a removal ring at a proximal end portion of the body and a retraction ring at a distal end portion of the body that is connected with said removal ring wherein proximal force applied to said removal ring causes said retraction ring to move the at least one tine inwardly.