Surgical Clip Applier
1 Assignment
0 Petitions
Accused Products
Abstract
A surgical clip applier is provided and includes a ratchet mechanism having a rack member connected to a drive channel such that axial translation of the drive channel results in axial translation of the rack member, the rack member defining a first set of teeth along a first side thereof and a second set of teeth along a second side thereof. The ratchet mechanism including a first pawl and a second pawl each tiltably supported in the housing and disposed on respective opposed sides of the rack member; and a buckling spring interposed between the first pawl and the second pawl and constrained in a slot formed in the rack member, wherein the buckling spring is dimensioned so as to bow in one of a proximal direction and a distal direction.
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Citations
24 Claims
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1. (canceled)
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2. A surgical clip applier, comprising:
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a housing; at least one handle movably connected to the housing; a channel assembly extending from the housing; a clip carrier disposed within the channel assembly and defining a channel; a plurality of clips loaded in the channel of the clip carrier; a drive channel movably supported in the housing and the channel assembly; and a ratchet mechanism disposed within the housing, the ratchet mechanism including; a rack member associated with the drive channel; a first pawl and a second pawl supported in the housing adjacent to the rack member; and a spring interposed between the first pawl and the second pawl, the spring configured to enable movement of the rack member. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification