US 11,857,217 B2
Nested cannula system
Devan Jaecker, Beaverton, OR (US); Dustin Cluff, St. Helens, OR (US); Stanley J. Langford, Hillsboro, OR (US); and Andrew W. Seykora, Portland, OR (US)
Assigned to Acumed LLC, Hillsboro, OR (US)
Filed by Acumed LLC, Hillsboro, OR (US)
Filed on Jan. 20, 2021, as Appl. No. 17/153,391.
Claims priority of provisional application 62/964,450, filed on Jan. 22, 2020.
Prior Publication US 2021/0220012 A1, Jul. 22, 2021
Int. Cl. A61B 17/34 (2006.01)
CPC A61B 17/3439 (2013.01) [A61B 2017/347 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An interlocking cannula system comprising:
a handle; and
a plurality of cannulas, including a sequence of smaller to larger cannulas, thereby allowing smaller cannulas to be nested within larger cannulas,
wherein each cannula of the plurality of cannulas includes a respective locking mechanism, which allows each cannula to be interlocked with each of the other cannulas of the plurality of cannulas, and
wherein the handle is configured such that the respective locking mechanism in each cannula of the plurality of cannulas further allows each cannula to be individually interlocked with the handle.