SURGICAL CLIP APPLIER
1 Assignment
0 Petitions
Accused Products
Abstract
Surgical clip appliers are provided and include a housing; at least one handle pivotably connected to the housing; a channel assembly extending distally from the housing; a clip carrier disposed within the channel assembly and defining a channel and a plurality of windows therein; and a plurality of clips slidably disposed within the channel of the clip carrier. The surgical clip appliers further include a drive channel reciprocally disposed within at least one of the housing and the channel assembly; a wedge plate reciprocally disposed within the channel assembly; a pusher bar reciprocally positioned within the housing and the channel assembly; and a motion multiplier system having a plurality of linkage members configured to distally move the pusher bar by an incremental amount upon an initial actuation of the handles, and configured to proximally move the pusher bar and the wedge plate subsequent to the initial actuation of the handles.
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Citations
37 Claims
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1-19. -19. (canceled)
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20. A surgical clip applier for applying surgical clips to body tissue, the surgical clip applier comprising:
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a housing; at least one handle pivotably connected to the housing; a drive channel reciprocally disposed at least partially within the housing, the drive channel being operatively connected to the at least one handle; a pusher bar reciprocally positioned at least partially within the housing, the pusher bar being operatively connected to the at least one handle; and a motion multiplier system having a plurality of linkage members configured to operatively couple the drive channel and the pusher bar such that movement of the drive channel effects movement of the pusher bar, wherein upon initial actuation of the at least one handle, as the drive channel is moved in a distal direction, the motion multiplier system is configured to move the pusher bar in the distal direction, and wherein upon further actuation of the at least one handle, as the drive channel is further moved in the distal direction, the motion multiplier system is configured to move the pusher bar in a proximal direction. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A surgical clip applier for applying surgical clips to body tissue, the surgical clip applier comprising:
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a housing; at least one handle pivotably connected to the housing; a jaw assembly including a pair of jaws extending from a distal end portion of the housing, the pair of jaws configured to move from a spaced-apart position to an approximated position in response to movement of the at least one handle a drive channel reciprocally disposed at least partially within the housing, the drive channel being operatively connected to the at least one handle; a pusher bar reciprocally positioned at least partially within the housing, the pusher bar being operatively connected to the at least one handle; a wedge plate reciprocally disposed at least partially within the housing, the wedge plate being selectively interposable between the pair of jaws; a motion multiplier system having a plurality of linkage members configured to operatively couple the drive channel and the pusher bar such that, upon a subsequent distal translation of the drive channel, after an initial distal translation of the drive channel, the motion multiplier system is configured to move the pusher bar in a proximal direction; and a motion reversing mechanism operatively connected to the wedge plate and the drive channel, wherein rotation of the motion reversing mechanism, during the subsequent distal translation of the drive channel, results in proximal movement of the wedge plate. - View Dependent Claims (34, 35, 36, 37)
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Specification