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US7988695: Articulated delivery instrument

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Filing Information

Inventor(s) Justin Dye ·
Assignee(s) Theken Spine, LLC ·
Attorney/Agent(s) Middleton Reutlinger · Robert H. Eichenberger · Chad D. Bruggeman ·
Primary Examiner Thomas C Barrett ·
Assistant Examiner Christine L Nelson ·
Application Number US11614540
Filing date 12/21/2006
Issue date 08/02/2011
Prior Publication Data
Predicted expiration date 01/20/2030
Patent term adjustment 1126
U.S. Classifications 606/86A  · 606/99  ·
International Classifications A61B1770  ·
Kind CodeB2
Related U.S. Application DataCROSS-REFERENCE TO RELATED APPLICATIONS
This application relates to, and claims the benefit of the filing date of, U.S. provisional patent application Ser. No. 60/752,544 entitled “RETICULATED DELIVERY INSTRUMENT” filed Dec. 21, 2005, the entire contents of which are incorporated herein by reference for all purposes.
14 Claims, 4 Drawings


Abstract

An articulated delivery instrument for the proper positioning and placements of inserts, for example, an insert such as a lumbar interbody fusion device (“LIF”). The instrument may comprise a body and a first member slidingly coupled to the body. A rotating member for releasably retaining an insert may be pivotally coupled to a distal end of the body and the first member. A first actuator may function to translate the first member relative to the body. Translation of the first member relative to the body may rotate the rotating member relative to the instrument. A second actuator may function to transition the rotating member between release and retention of the insert.

Independent Claims | See all claims (14)

  1. 1. An instrument comprising: a body portion having a first distal end and a first proximal end coupled by a first longitudinal axis; an actuator portion having a second distal end and a second proximal end coupled by a second longitudinal axis that is substantially parallel to said first longitudinal axis; a threaded rotational member threadingly engaged to a threaded portion of one of said first and second proximal ends, wherein a longitudinal position of said threaded rotational member relative to said body and actuator portions is fixed with respect to another one of said body and actuator portions; rotatable first and second fastening members movably coupled to said body and actuator portions, wherein said first and second fastening members are rotatable from a first position to a second position around a pivot axis that is substantially perpendicular to said first longitudinal axis, wherein said first and second fastening members are separated by a space designed to receive a portion of an interbody insert therein; said first and second fastening members are movably coupled to said body and actuator portions to enable a distance along said pivot axis between said first and second fastening members to be varied; an actuator rod having a third distal end and a third proximal end coupled by a third longitudinal axis that is substantially parallel to said first longitudinal axis; and a trigger pivotally coupled to said body portion and said actuator rod.
  2. 6. An instrument for delivering an insert, said instrument comprising: a body; a sliding actuator translatingly coupled to said body; a rotating member pivotally connected to a distal end of said body and said sliding actuator and configured to releasably retain an insert, wherein said rotating member includes a first grasping member and a second grasping member, wherein said first grasping member and said second grasping member are configured to translate relative to one another along a central axis of said pivotal connection to one of said body and said sliding actuator; a first actuator having a threaded member operatively coupled to said body and said sliding actuator, wherein rotation of said threaded member translates said sliding actuator with respect to said body, and wherein translation of said sliding actuator with respect to said body rotates said rotating member about said pivotal connections; and a second actuator operatively coupled to said rotating member and configured to transition said rotating member between release and retention of the insert.
  3. 11. A delivery instrument for an insert, said instrument comprising: a body; a sliding actuator slidably engaged with said body; a threaded first actuator rotatably interacting with said body and said sliding actuator such that rotation of said first actuator translates said sliding actuator relative to said body; a first grasping member and a second grasping member that each comprise a first protrusion, a second protrusion, and a central pivot, wherein each of said first grasping member and said second grasping member rotates in a plane of rotation about said central pivots; a second actuator configured to interact with said first grasping member and said second grasping member such that operation of said second actuator causes said first grasping member and said second grasping member to approach and withdraw from one another in a direction transverse to said plane of rotation; wherein said first protrusions are configured to engage the insert; wherein said central pivots are pivotally connected to said body; wherein said second protrusions are pivotally connected to said sliding actuator; and wherein translation of said sliding actuator translating relative to said body rotates said first grasping member and said second grasping member about said central pivots in said plane of rotation.

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Referenced By

Document NumberAssigneeInventorsIssue/Pub Date
US8398649 --
US8409290 --

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