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ENDOSCOPIC SURGICAL CLIP APPLIER

  • US 20180214156A1
  • Filed: 12/21/2017
  • Published: 08/02/2018
  • Est. Priority Date: 02/02/2017
  • Status: Active Grant
First Claim
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1. An endoscopic surgical clip applier, comprising:

  • a handle assembly including;

    a housing;

    a fixed handle extending from the housing; and

    a trigger pivotally connected to the fixed handle;

    an endoscopic assembly selectively connectable to the housing of the handle assembly, the endoscopic assembly including;

    a shaft assembly; and

    a pair of jaw members operatively coupled to, and extending from the shaft assembly;

    a drive bar disposed within the housing of the handle assembly and operatively coupled to the trigger and the pair of jaw members to move the pair of jaw members between a spaced apart configuration and an approximated configuration upon actuation of the trigger;

    a ratchet assembly disposed within the housing of the handle assembly, the ratchet assembly including;

    a rack disposed on the drive bar, the rack defining a plurality of rack teeth and having a proximal end and a distal end; and

    a pawl housing slidably mounted within the housing of the handle assembly, the pawl housing having a pawl being selectively engageable with the plurality of rack teeth of the rack, wherein in a first position of the pawl housing, the pawl is in registration with the plurality of rack teeth of the rack to prohibit reversal of a direction of movement of the trigger until the pawl is disposed beyond the proximal end or the distal end of the rack and wherein in a second position of the pawl housing, the pawl is out of registration with the plurality of rack teeth of the rack to permit reversal of the direction of movement of the trigger after an initial engagement of the pawl with the rack.

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