Removing broken locking bolts
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چکیده
منابع مشابه
Removing broken locking bolts
Removal of broken locking bolts requires careful planning. The following tips facilitate the procedure and reduce operation time. Positioning the patient supine without traction allows optimal adduction. Early screw removal will leave the nail rotationally unstable; apply the jig beforehand. If direct palpation is not possible, access the end cap by a guided drill (Fig 1). Use screw holders (Fi...
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The procedure for removing a broken pedicle screw should ideally be technically easy and minimally invasive, as any damage to the pedicle, during removal of the broken screw, may weaken the pedicle, thus compromising on the success of re-instrumentation. We describe the case of a 32-year old man who had undergone surgery for traumatic third lumbar vertebral body fracture three years prior to cu...
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We construct a family of (p+3)–dimensional brane worlds in which the brane has one compact extra dimension, the bulk has two extra dimensions, and the bulk closes regularly at codimension two submanifolds known as bolts. The (p + 1)–dimensional low energy spacetime Mlow may be any Einstein space with an arbitrary cosmological constant, the value of the bulk cosmological constant is arbitrary, a...
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The nuts and bolts problem is the following : Given a collection of n nuts of distinct sizes and n bolts of distinct sizes such that for each nut there is exactly one matching bolt, find for each nut its corresponding bolt subject to the restriction that we can only compare nuts to bolts. That is we can neither compare nuts to nuts, nor bolts to bolts. This humble restriction on the comparisons...
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The problem of matching nuts and bolts is the following Given a collection of n nuts of distinct sizes and n bolts such that there is a one to one correspondence between the nuts and the bolts nd for each nut its corresponding bolt We can only compare nuts to bolts That is we can neither compare nuts to nuts nor bolts to bolts This humble restriction on the comparisons appears to make this prob...
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ژورنال
عنوان ژورنال: Annals of The Royal College of Surgeons of England
سال: 2012
ISSN: 0035-8843,1478-7083
DOI: 10.1308/003588412x13373405386015p