Orthopedic fastener applicator with rotational or longitudinal driver
First Claim
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1. An endoscopic apparatus for applying a surgical fastener activated by a proximally moving setting pin, which comprises:
- a) fastener abutting means for abutting a surgical fastener, said fastener abutting means comprising an elongated tube having an axial bore and a distal fastener abutting surface;
b) grasping means for engaging a proximal portion of the setting pin, said grasping means being movable with respect to said fastener abutting means; and
c) drive means for proximally moving said grasping means relative to said fastener abutting means, said drive means comprising an elongated cylindrical member movably disposed within the axial bore of the fastener abutting means, and further including a threaded portion for engaging a tipped portion of the axial bore of the fastener abutting means whereby said drive means is moved relative to the fastener abutting means by a screw motion.
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Abstract
An instrument for applying an orthopedic fastener activated by a setting pin includes a member for abutting the fastener, a member for grasping the setting pin, and means for moving said members relative to each other. The instrument may be used endoscopically in conjunction with a cannula. An endoscopic drilling member is provided for deployment through the cannula to create a hole for emplacement of the fastener into bone or hard tissue.
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Citations
14 Claims
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1. An endoscopic apparatus for applying a surgical fastener activated by a proximally moving setting pin, which comprises:
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a) fastener abutting means for abutting a surgical fastener, said fastener abutting means comprising an elongated tube having an axial bore and a distal fastener abutting surface; b) grasping means for engaging a proximal portion of the setting pin, said grasping means being movable with respect to said fastener abutting means; and c) drive means for proximally moving said grasping means relative to said fastener abutting means, said drive means comprising an elongated cylindrical member movably disposed within the axial bore of the fastener abutting means, and further including a threaded portion for engaging a tipped portion of the axial bore of the fastener abutting means whereby said drive means is moved relative to the fastener abutting means by a screw motion.
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2. An endoscopic apparatus for applying a surgical fastener activated by a proximally moving setting pin, which comprises:
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a) a fastener abutting means for abutting a surgical fastener, said fastener abutting means comprising an elongated tube having an axial bore and a distal fastener abutting surface and an elongated longitudinally oriented notch; b) grasping means for engaging a proximal portion of the setting pin, said grasping means being movable with respect to said fastener abutting means; and c) drive means for proximally moving said grasping means relative to said fastener abutting means, said drive means comprising an elongated cylindrical member movably disposed within the axial bore of the fastener abutting means, and further including a peg extending into said elongated notch of said fastener abutting means.
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3. An apparatus for orthopedic fixation, which comprises:
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a) at least one orthopedic surgical fastener activated by a proximally movable setting pin having proximal and distal end portions; and
,b) a fastener applicator for containing and distally applying said orthopedic surgical fastener, said fastener applicator including i) fastener abutting means for abutting the orthopedic surgical fastener, wherein said fastener abutting means includes an elongated tube having an axial bore and a distal fastener abutting surface, said axial bore having a tapped portion; ii) grasping means for engaging the proximal end portion of the setting pin, said grasping means being movable with respect to said fastener abutting means; and iii) drive means for proximally moving said grasping means relative to said fastener abutting means, wherein said drive means includes an elongated cylindrical member movably disposed within the axial bore of the fastener abutting means, and a threaded portion for engaging the tapped portion of the axial bore of the fastener abutting means, said drive means being movable relative to the fastener abutting means by a screw motion. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification