ENDOSCOPIC CLIP APPLIER
1 Assignment
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Accused Products
Abstract
An endoscopic surgical clip applier is provided, wherein a distal end of the surgical clip applier is introduced to a target surgical site through a cannula having a fixed diameter lumen. The surgical clip applier comprises an endoscopic portion supported by and extending from a handle assembly, and a pair of jaws supported at a distal end of an outer tube, wherein the pair of jaws are movable between a fully open condition and approximated conditions. When the pair of jaws are in the fully open condition the pair of jaws extend radially beyond an outer diameter of the outer tube to a dimension greater than the fixed diameter of the lumen of the cannula; and when the pair of jaws are in at least one approximated condition the pair of jaws have a transverse dimension permitting passage through the lumen of the cannula.
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Citations
21 Claims
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1. (canceled)
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2. An endoscopic surgical clip applier comprising:
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a handle assembly; a trigger operatively coupled to the handle assembly; an endoscopic assembly extending from the handle assembly, the endoscopic assembly including; an outer tube defining a channel therein; a pair of jaws supported at one end portion of the outer tube, the pair of jaws being movable between a spaced-apart position and an approximated position; a wedge plate slidably disposed within the channel of the outer tube, at least one portion of the wedge plate being selectively interposable between the pair of jaws to maintain the pair of jaws in the spaced-apart position; and an inner shaft slidably disposed within the channel of the outer tube, the inner shaft being operatively coupled to the wedge plate such that upon actuation of the inner shaft towards a first position, the at least one portion of the wedge plate is interposed between the pair of jaws to maintain the pair of jaws in the spaced-apart position and upon actuation of the inner shaft towards a second position, the at least one portion of the wedge plate is withdrawn from between the pair of jaws to permit the pair of jaws to be placed in the approximated position, wherein actuation of the inner shaft is independent of actuation of the trigger. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An endoscopic surgical clip applier comprising:
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a housing including a first actuation assembly and a second actuation assembly, wherein actuation of the second actuation assembly is independent of actuation of the first actuation assembly; an endoscopic assembly extending from the housing, the endoscopic assembly including; an outer tube defining a channel therein; a pair of jaws supported at one end portion of the outer tube, the pair of jaws being movable between a spaced-apart position and an approximated position upon actuation of either the first actuation assembly or the second actuation assembly; a wedge plate slidably disposed within the channel of the outer tube, at least one portion of the wedge plate being selectively interposable between the pair of jaws to maintain the pair of jaws in the spaced-apart position; and an inner shaft at least partially disposed within the channel of the outer shaft, the inner shaft operatively coupling the wedge plate and the second actuation assembly such that upon actuation of the second actuation assembly towards a first position, the at least one portion of the wedge plate is interposed between the pair of jaws to maintain the pair of jaws in the spaced-apart position and upon actuation of the second actuation assembly towards a second position, the at least one portion of the wedge plate is withdrawn from between the pair of jaws to permit the pair of jaws to be placed in the approximated position. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification