Cinch control device
First Claim
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1. A mechanism for opening and closing jaws of a medical instrument, the mechanism comprising:
- a cinch configured to selectively move in opposite directions along a longitudinal axis, said cinch comprising a pair of control members each having an inner control surface and an outer control surface; and
a jaw assembly having a pair of jaw arms, each jaw arm comprising an inner engagement surface configured to slidingly engage with a respective one of said outer control surfaces, and an outer engagement surface configured to slidingly engage with a respective one of said inner control surfaces.
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Abstract
A mechanism for opening and closing jaws of a medical instrument. The mechanism includes a cinch configured to selectively move in opposite directions along a longitudinal axis, the cinch comprising a pair of control members each having an inner control surface and an outer control surface, and a jaw assembly having a pair of jaw arms, each jaw arm comprising an inner engagement surface configured to slidingly engage with a respective the outer control surface, and an outer engagement surface configured to slidingly engage with a respective inner control surface.
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Citations
21 Claims
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1. A mechanism for opening and closing jaws of a medical instrument, the mechanism comprising:
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a cinch configured to selectively move in opposite directions along a longitudinal axis, said cinch comprising a pair of control members each having an inner control surface and an outer control surface; and
a jaw assembly having a pair of jaw arms, each jaw arm comprising an inner engagement surface configured to slidingly engage with a respective one of said outer control surfaces, and an outer engagement surface configured to slidingly engage with a respective one of said inner control surfaces. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of opening and closing jaws of a medical instrument, the instrument including a cinch movable between a first position and a second position, and to an intermediate position located between the first and second positions, the cinch having a pair of control members, each control member having an inner control surface and an outer control surface, the instrument further including a jaw assembly having a pair of jaw arms, each jaw arm comprising an inner engagement surface and an outer engagement surface, the method comprising:
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moving the cinch along a longitudinal axis of the instrument, from the intermediate position toward the first position such that the inner engagement surfaces slidingly engage with the respective outer control surfaces to one of move the jaws together or move the jaws apart; and
moving the cinch along the axis from the intermediate position toward the second position such that the outer engagement surfaces slidingly engage with the respective inner control surfaces to the other of move the jaws together or move the jaws apart. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A clip applying device for crimping a clip onto tissue, comprising:
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a body assembly having a handle and a squeezable trigger;
a barrel having a first end extending into said body assembly;
a cinch configured to move rearwardly and forwardly along a longitudinal axis, said cinch comprising a pair of control members each having an inner control surface and an outer control surface a pair of jaw arms arranged on a second end of said barrel, said jaws actuable by movement of said cinch in response to action of said trigger, each jaw arm comprising an inner engagement surface configured to slidingly engage with a respective one of said outer control surfaces, and an outer engagement surface configured to slidingly engage with a respective one of said inner control surfaces, said second end of said barrel and at least a portion of said pair of jaw arms configured to be inserted into a body cavity. - View Dependent Claims (21)
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Specification