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| xiongyi | tostevin casset holder | 2 | Dec 10 2011, 4:24 PM EST by metal-fan-666 | ||||
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Thread started: Aug 21 2009, 4:12 PM EDT
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like this article, solved a lot of puzzels.
For the tostevin casset holder, I guess the patient has to placed with their C spine extended out of the x-ray table (with some kind of support)?
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| NapoleonJosephMartin | Biplanar Angulations for Tostevin cassette holder | 0 | Jul 31 2011, 8:47 AM EDT by NapoleonJosephMartin | ||||
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Thread started: Jul 31 2011, 8:47 AM EDT
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First, congratulaions to John Tostevin for finishing a project every good trauma technologist has dreamed about as long as I can remember.
Some years back I submitted to an American textbook a "biplanar angulation method" to allow accurately the use of vertical column swivel in achieving the desired 15 and 45 degree angles on a supine patient. Depicted correctly in its first appearance -- and incorrectly in all subsequent editions -- the approach calls for the following steps: 1. Set cassette holder in place 2. Swivel the vertical column so that the tube is perpendicular to the patient and facing cephalad. 3. Swivel the tube itself not 45, but 53 degrees medially. 4. Backswivel the vertical column axis by not 15, but 23 degrees. 5. Preserving these compensating angles, whose net angles are in fact 45 and 15 degrees respectively, direct central ray to cassette at 72" (1.8M) SID. 6. Center the patient. 7. Use a good lateral nongrid technique. |
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| kuwahshi | Thanks | 1 | Oct 23 2009, 2:58 AM EDT by vitharana | ||||
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Thread started: Oct 20 2009, 5:35 AM EDT
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Thanks mate. Needed a clear explanation of oblique C-spine marker placement.
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| Anonymous | marina | 0 | Apr 17 2009, 2:11 PM EDT by Anonymous | ||||
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Thread started: Apr 17 2009, 2:11 PM EDT
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Excelent to study
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