US 12,070,218 B2
Circular stapling instruments
Anthony Sgroi, Jr., Wallingford, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on May 27, 2022, as Appl. No. 17/826,573.
Application 17/826,573 is a continuation of application No. 16/503,857, filed on Jul. 5, 2019, granted, now 11,344,309, issued on May 31, 2022.
Prior Publication US 2022/0287717 A1, Sep. 15, 2022
Int. Cl. A61B 17/115 (2006.01); A61B 17/068 (2006.01); A61B 17/072 (2006.01); A61B 17/10 (2006.01); A61B 17/3205 (2006.01); A61B 17/34 (2006.01)
CPC A61B 17/1155 (2013.01) [A61B 17/068 (2013.01); A61B 2017/07257 (2013.01); A61B 2017/07285 (2013.01); A61B 17/10 (2013.01); A61B 17/32053 (2013.01); A61B 17/34 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A surgical system, comprising
an adapter assembly including:
a tubular housing having a distal end portion; and
a trocar assembly received in the tubular housing and having a trocar member that extends from the tubular housing; and
a tip protector including:
a housing defining a channel longitudinally therethrough configured for receipt of the trocar member, the housing including sides;
a first locking member coupled to one of the sides of the housing of the tip protector and configured to engage the trocar member to releasably secure the tip protector to the trocar member, the first locking member movable from a first position to a second position to release the tip protector from the trocar member; and
a second locking member coupled to another of the sides of the housing of the tip protector and configured to engage the distal end portion of the tubular housing to releasably secure the tip protector to the tubular housing, the second locking member movable from a first position to a second position to release the tip protector from the tubular housing of the adapter assembly. wherein the channel is a counterbore including a wide channel configured for receipt of the distal end portion of the tubular housing, and a narrow channel configured for receipt of the trocar member.