US 11,666,470 B2
Pyloric anchor retrieval tools and methods
Todd Stangenes, Minneapolis, MN (US); Werner Schwarz, Ruhpolding (DE); Kedar R. Belhe, Minnetonka, MN (US); Mathew Ziebol, Blaine, MN (US); and Edward Anderson, Maple Grove, MN (US)
Assigned to MetaModix, Inc, Plymouth, MN (US)
Filed by MetaModix, Inc., Plymouth, MN (US)
Filed on Apr. 8, 2020, as Appl. No. 16/843,691.
Application 16/843,691 is a continuation of application No. 15/600,214, filed on May 19, 2017, granted, now 10,751,209.
Claims priority of provisional application 62/338,896, filed on May 19, 2016.
Prior Publication US 2020/0229958 A1, Jul. 23, 2020
Int. Cl. A61F 5/00 (2006.01); A61B 17/00 (2006.01); A61F 2/95 (2013.01)
CPC A61F 5/0089 (2013.01) [A61B 17/00234 (2013.01); A61F 5/0079 (2013.01); A61B 2017/00292 (2013.01); A61B 2017/00336 (2013.01); A61B 2017/00349 (2013.01); A61B 2017/00362 (2013.01); A61B 2017/00818 (2013.01); A61F 2002/9528 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A retrieval device comprising:
a hook assembly having an attachment feature;
a capsule assembly including:
a capsule, a capsule shaft, and a handle connected in series and defining an inner bore along a length of the capsule assembly, the capsule having a first end defining an opening to the inner bore of the capsule assembly and configured to slidably receive the hook assembly, and
the handle having a central portion, a first extension portion having a first end defining a first end of the handle and attached to the capsule shaft, and a second extension portion having a second end defining a second end of the handle, the handle having a retracted configuration with the first end a first distance from the second end and an extended configuration with the first end a second distance from the second end, the first distance less than the second distance,
wherein the handle includes a first control knob configured to transition the first extension portion between the retracted configuration and the extended configuration, and a second control knob configured to transition the second extension portion between the retracted configuration and the extended configuration.