Inserts, splines, and methods for reducing and/or eliminating spline crash in surgical instruments
Joseph M. Guerrera, Watertown, CT (US); Charles R. Kollar, Washington, DC (US); Anthony Sgroi, Jr., Southbury, CT (US); Justin Williams, Southbury, CT (US); Steven H. Joyce, Durham, CT (US); Christopher P. Penna, Guilford, CT (US); and Joseph Eisinger, Northford, CT (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Aug. 20, 2024, as Appl. No. 18/809,883.
Application 18/809,883 is a continuation of application No. 18/451,284, filed on Aug. 17, 2023, granted, now 12,064,118.
Application 18/451,284 is a continuation of application No. 17/293,117, granted, now 11,730,482, issued on Aug. 22, 2023, previously published as PCT/US2019/063930, filed on Dec. 2, 2019.
Claims priority of provisional application 62/779,736, filed on Dec. 14, 2018.
Claims priority of provisional application 62/779,741, filed on Dec. 14, 2018.
Claims priority of provisional application 62/779,759, filed on Dec. 14, 2018.
Claims priority of provisional application 62/779,780, filed on Dec. 14, 2018.
Claims priority of provisional application 62/779,718, filed on Dec. 14, 2018.
Claims priority of provisional application 62/779,727, filed on Dec. 14, 2018.
Prior Publication US 2024/0407784 A1, Dec. 12, 2024
1. A shell assembly for a surgical stapler, the shell assembly comprising:
a housing portion configured to support an annular staple cartridge;
an inner housing portion defining a longitudinal axis of the shell assembly and including a bore defined about the longitudinal axis; and
shell splines disposed on an inner wall of the inner housing portion defining the bore, the shell splines including a lead spline having a leading end positioned distal of a leading end of each of the other shell splines.
