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In one embodiment, the shaft 828 may pass through an opening (e.g., a through passage) in the body 814 as indicated by the exploded view lead lines. During use, the shaft 828 may be coaxial with the engagement axis 412. The shaft 828 is configured to engage a socket (see FIG. 44). The socket may be in an inserter 806 and/or in a bone fastener 804. In one embodiment, the shaft 828 may include threads 834. Where the threads 834 are external the socket may include corresponding internal threads. |
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The handle 826 facilitates a user to operating the lock mechanism 824. In one embodiment, the handle 826 is sized and configured to be grasped by a hand and/or fingers of a user. The handle 826 may include a shoulder 830. In one embodiment, the shoulder 830 contacts a superior surface 832 of the body 814 or a part of the body 814 near the distal end 822 when the lock mechanism 824 is engage or in use. |
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The lock mechanism 824 may include a handle 826 and a shaft 828. As used herein, a "handle" refers to a structure used to hold, control, or manipulate a device, apparatus, component, tool, or the like. A “handle” may be designed to be grasped and/or held using one or two hands of a user. |
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FIG. 41 is an exploded view of a guide 802 according to one embodiment of the present disclosure. Details of one example embodiment of the guide member 816 and engagement member 818 are illustrated. In one embodiment, the engagement member 818 may include a lock mechanism 824. As used herein, a "lock" or "lock mechanism" refers to an object, member, structure, component, part, apparatus, system, or assembly that either alone or in combination with other parts or components prevents, limits, impedes, is in a fixed relationship to, stops, or restricts motion or movement and/or operation of the another object, member, structure, component, part, apparatus, system, or assembly. |
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In certain embodiments, the engagement member 818 is configured to secure the guide member 816 and/or the guide 802 at any of the plurality of relative orientations. In one embodiment, the engagement member 818 may secure the guide member 816 at a desired relative orientation temporarily. For example, while a fixation member 812 is being deployed. In another embodiment, the engagement member 818 may secure the guide member 816 at a desired relative orientation permanently. |
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As used herein, "orientation" refers to a direction, angle, position, condition, state, or configuration of a first object, component, part, apparatus, system, or assembly relative to another object, component, part, apparatus, system, or assembly. In certain embodiments, the relative orientations are orientations of the guide 802 and/or its members in relation to the bone fastener 804. In one embodiment, the engagement member 818 couples the guide 802 to the bone fastener 804 directly. In another embodiment, the engagement member 818 couples the guide 802 to the bone fastener 804 indirectly by way of an inserter 806. In one embodiment, the engagement member 818 may be coupled to the body 814 near the distal end 822. In the illustrated embodiment, the engagement member 818 is coupled to the body 814 at the distal end 822. |
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In one embodiment, the engagement member 818 couples the guide 802 to the bone fastener 804. For example, in one embodiment the engagement member 818 engages the bone fastener 804 such that the guide member 816 is rotatable relative to the bone fastener 804 about an engagement axis 412 to a plurality of relative orientations. In another example, the engagement member 818 engages the bone fastener 804 such that the guide 802 is rotatable relative to the bone fastener 804 about an engagement axis 412 to a plurality of relative orientations. |
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In one embodiment, a passage of the guide member 816 is sized to accept one or more sleeves 808. Each sleeve 808 may include an axial through passage having a cross-sectional diameter sized to permit the sleeve 808 to slide axially within the passage. In the illustrated embodiment, the sleeves 808a,b may each have different cross-sectional diameters that permit certain ones of the one or more sleeves 808a,b to fit within each other in a nested configuration such that a longitudinal axis of the sleeves 808a,b aligns with the fixation insertion axis 420. |
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In one embodiment, the guide member 816 includes a passage through the guide member 816 defining the cross fixation insertion axis 420 and one or more sleeves 808a,b received in the passage in axial sliding relationship. As used herein, "passage" refers to a duct, a vessel, an opening, a void, or other channel in a body of a an apparatus, instrument, structure, member, device, component, system, or assembly. In certain embodiments, a passage is narrow and longer than the passage is wide. (Search "passage" on wordhippo.com. WordHippo, 2021. Web. Accessed 15 Nov. 2021. Modified.) |
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The guide member 816 may facilitate or enable preparation of a site for deployment of a fixation member 812. Alternatively, or in addition, the guide member 816 may serve to guide deployment of a fixation member 812 to secure a bone fastener 804. In one embodiment, the guide member 816 may be coupled to the body 814 near the proximal end 820. In the illustrated embodiment, the guide member 816 is coupled to the body 814 at the proximal end 820. |
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FIG. 44 is a top view of the inserter of FIG. 43; |
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FIG. 53 is a top view of an inserter; |
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FIG. 52 is a perspective view of a guide member; |
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FIG. 51 is a cross section view taken along line 51-51 in FIG. 50; |
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FIG. 50 is a bottom view of a guide according to one embodiment; |
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FIG. 49 is a perspective view of an inserter and a guide according to one embodiment; |
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FIG. 48B illustrates one example angle or orientation in a range of motion for the system according to one embodiment of the present disclosure; |
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FIG. 48A illustrates one example angle or orientation in a range of motion for the system according to one embodiment of the present disclosure; |
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FIG. 47 illustrates the guide coupled to the inserter; |
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FIGS. 45 and 46 are front elevation views of the inserter of FIG. 43 with the implant of FIG. 1; |
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