US 11,812,964 B2
Staple cartridge comprising a power management circuit
Frederick E. Shelton, IV, Hillsboro, OH (US); Shane R. Adams, Lebanon, OH (US); Taylor W. Aronhalt, Loveland, OH (US); Morgan R. Hunter, Cincinnati, OH (US); Patrick L. Creamer, New Orleans, LA (US); and Jason L. Harris, Lebanon, OH (US)
Assigned to Cilag GmbH International, Zug (CH)
Filed by Cilag GmbH International, Zug (CH)
Filed on Feb. 26, 2021, as Appl. No. 17/186,407.
Prior Publication US 2022/0273308 A1, Sep. 1, 2022
Int. Cl. A61B 17/072 (2006.01)
CPC A61B 17/07207 (2013.01) [A61B 2017/07271 (2013.01); A61B 2017/07278 (2013.01); A61B 2560/0214 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A surgical stapling system, comprising:
a stapling instrument, comprising:
a shaft;
a power supply circuit extending through said shaft, wherein said power supply circuit comprises a power supply antenna; and
a jaw; and
a staple cartridge seatable in said jaw, wherein said staple cartridge comprises:
a cartridge body;
staples removably stored in said cartridge body;
a power management circuit comprising a charge accumulator and a power transfer antenna, wherein said power transfer antenna is aligned with said power supply antenna to receive power from said stapling instrument when said staple cartridge is seated in said jaw, and wherein said power supply circuit is capable of supplying a maximum current to said power management circuit; and
a sensor circuit in communication with said power management circuit which is capable of drawing a sensor supply current from said power management circuit, wherein said power management circuit is configured to supply additional power from said charge accumulator when said sensor supply current is larger than said maximum current.