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SUTURING INSTRUMENT CARTRIDGE WITH TORQUE LIMITING FEATURES

  • US 20170112489A1
  • Filed: 10/27/2015
  • Published: 04/27/2017
  • Est. Priority Date: 10/27/2015
  • Status: Active Grant
First Claim
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1. A surgical instrument, comprising:

  • (a) a body having an actuator configured to be selectively manipulated by an operator;

    (b) a shaft extending distally from the body;

    (c) a cartridge receiving assembly projecting from a distal end portion of the shaft, wherein the cartridge receiving assembly comprises a transmission mechanism operatively connected to the actuator and configured to be selectively driven via selective manipulation of the actuator;

    (d) a suture cartridge received within the cartridge receiving assembly, wherein the suture cartridge comprises;

    (i) a needle, and(ii) a drive assembly engaged with the transmission mechanism and coupled to the needle, wherein the transmission mechanism is configured to actuate the drive assembly and thereby drive the needle along a predetermined path; and

    (e) a slip clutch operatively connected to the actuator, the transmission mechanism, and the drive assembly such that the actuator is operatively engaged with the needle and configured to transmit a force through the slip clutch for driving the needle,wherein the slip clutch is configured to slip under the influence of a predetermined maximum force transmission therethrough to operatively disengage the needle from the actuator for limiting a driving force applied to the needle.

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