(19)
(11)EP 3 662 844 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
26.08.2020 Bulletin 2020/35

(43)Date of publication A2:
10.06.2020 Bulletin 2020/24

(21)Application number: 20154026.7

(22)Date of filing:  08.06.2018
(51)International Patent Classification (IPC): 
A61B 17/115(2006.01)
A61B 17/32(2006.01)
A61B 17/00(2006.01)
A61B 17/29(2006.01)
A61B 90/00(2016.01)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30)Priority: 09.06.2017 US 201762517297 P
09.06.2017 US 201762517276 P
07.05.2018 US 201815972641

(62)Application number of the earlier application in accordance with Art. 76 EPC:
18176772.4 / 3412225

(71)Applicant: Covidien LP
Mansfield, MA 02048 (US)

(72)Inventors:
  • MOZDZIERZ, Patrick
    Glastonbury, CT 06033 (US)
  • DELBO, James
    Danville, PA 17821 (US)
  • FIRTH, Scott
    Guilford, CT 06437 (US)
  • HRYB, John
    Southington, CT 06489 (US)
  • KOLLAR, Charles
    West Hartford, CT 06119 (US)
  • JOYCE, Stephen
    Wallingford, CT 06492 (US)
  • PAUL, Stephen
    East Hartford, CT 06118 (US)
  • RICHARD, Paul D.
    Shelton, CT 06484 (US)
  • SGROI, JR., Anthony
    Wallingford, CT 06492 (US)
  • VALENTINE, David
    East Hampton, CT 06424 (US)

(74)Representative: Maschio, Antonio 
Maschio & Soames IP Limited 30 Carlton Crescent
Southampton SO15 2EW
Southampton SO15 2EW (GB)

  


(54)HANDHELD ELECTROMECHANICAL SURGICAL SYSTEM


(57) A surgical device comprising:
a handle assembly (100) including:
a power source (144);
at least one motor (153) coupled to the power source; and
a controller (143) configured to control the motor;
an adapter assembly (200) configured to selectively couple to the handle assembly, the adapter assembly including a strain gauge (320) configured to measure strain;
a reload (400) configured to selectively couple to a distal portion of the adapter assembly, the reload including:
a plurality of fasteners ("S");
an annular staple pusher (434) for ejecting the plurality of staples; and
an anvil assembly (510) selectively couplable to the distal portion of the adapter assembly, the anvil assembly being movable relative to the reload;
wherein the controller (143) is configured to control the motor (153) to move the annular staple pusher (434) based on the measured strain.







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