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M6 Cervical vs ProDisc
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| iSpine Discuss M6 Cervical vs ProDisc in the Main forums forums; I just copied the 3 previous posts from another thread. (I didn't want the M6 discussion to get buried ... |
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10-26-2009, 05:53 AM
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I just copied the 3 previous posts from another thread. (I didn't want the M6 discussion to get buried in a very long thread about something else.)
To continue, the soft core of the M6 does promise to provide some shock absorption. Intuitively, that seems to be a great idea. We do have 22 shock absorbers in our spine and it remains to be proven how important getting some cushion at the ADR levels will be. I expect that it will be like most of the other features we see with all the devices... there will be some advantage, and some disadvantage. Will it break down faster? Will it change shape? Wear particles and their effects? I don't know the answers to these questions. It's tough to sort out the marketing spin from the important features. The keeled devices keep the prosthesis from rotating, but if the cleated devices don't rotate, how important is that? There are advantages and disadvantges to keels and cleats, but my point is, the discussion about arresting rotational forces is not relevant to us as patients... but it's effective marketing. Mark
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1997 MVA 2000 L4-5 Microdiscectomy/laminotomy 2001 L5-S1 Micro-d/lami 2002 L4-S1 Charite' ADR - SUCCESS! 2009 C3-C4, C5-C6-C7, T1-T2 ProDisc-C Nova Summer 2009, more bad thoracic discs! Life After Surgery Website President: Global Patient Network, Inc. Founder: www.iSpine.org 
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10-27-2009, 02:52 AM
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Mark?
Quote:
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C4-5: Mild disc height loss with central annular fissure. Small broad-based left paracentral disc protrusion. Moderate central canal stenosis-the disc protrusion abuts and mildly flattens the left ventral surface of the spinal canal. C5-6: Disc desiccation with mild height loss.Diffuse discosteophyte bulge and uncovertebral joint hypertrophy, moderate central canal stenosis- Severe neuroforaminal stenosis bilaterally, right greater than left.
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10-27-2009, 09:30 AM
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JKDE302,
The 3 posts above were originally on steve's 'tilted all over the place' thread. I left them there, but copied them to this thread. Mark
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1997 MVA 2000 L4-5 Microdiscectomy/laminotomy 2001 L5-S1 Micro-d/lami 2002 L4-S1 Charite' ADR - SUCCESS! 2009 C3-C4, C5-C6-C7, T1-T2 ProDisc-C Nova Summer 2009, more bad thoracic discs! Life After Surgery Website President: Global Patient Network, Inc. Founder: www.iSpine.org
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10-28-2009, 02:23 AM
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So if there are stability issues with multi-levels, why are the surgeons not doing more hybrids, the combination of fusions and ADR? That way the top level will have the mobility that seems so necessary to prevent adjacent disc disease, but the fusion below provides stability.
I just found out that the m6 is the only disc on the market that I am not allergic to, so I'm trying to sort out where and how to get it without losing my home.
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DDD Herniated discs C4/5 & 5/6, L3/4, L4/5, L5/S1 Severe compression of spinal cord in two levels All conventional therapy exhausted, including spinal injections, PT, massage, etc. In appeal with Gov't Insurance for Out-of-country coverage for ADR hybrid surgery of above discs. Recently discovered that I am severely allergic to all common metals used in surgical hardware except for Titanium.
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10-29-2009, 12:53 AM
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Quote:
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C4-5: Mild disc height loss with central annular fissure. Small broad-based left paracentral disc protrusion. Moderate central canal stenosis-the disc protrusion abuts and mildly flattens the left ventral surface of the spinal canal. C5-6: Disc desiccation with mild height loss.Diffuse discosteophyte bulge and uncovertebral joint hypertrophy, moderate central canal stenosis- Severe neuroforaminal stenosis bilaterally, right greater than left.
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10-29-2009, 07:41 AM
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Because it is the only one on the market I've found that does not contain cobalt, chromium or nickel, to which I am highly allergic. It is made of surgical grade titanium, and then covered with 100% titanium.
I had a blood test at Rush University with gave me the list of different metals to which I am intolerant. I knew I had a problem with nickel because of skin allergies with jewellery my whole life, but this test confirmed that I have a much broader problem than just nickel. Titanium is the only metal that I can safely tolerate. It literally saved my life by preventing me from having to go through a five level revision surgery.
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DDD Herniated discs C4/5 & 5/6, L3/4, L4/5, L5/S1 Severe compression of spinal cord in two levels All conventional therapy exhausted, including spinal injections, PT, massage, etc. In appeal with Gov't Insurance for Out-of-country coverage for ADR hybrid surgery of above discs. Recently discovered that I am severely allergic to all common metals used in surgical hardware except for Titanium.
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10-29-2009, 03:35 PM
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shock absorption....
^ I wonder what my body is allergic to also should I get a test done?
Am I wrong for thinking the M6 would be more secure b/c of the extra keels and I will need the shock absorption to start off my 30's?  
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C4-5: Mild disc height loss with central annular fissure. Small broad-based left paracentral disc protrusion. Moderate central canal stenosis-the disc protrusion abuts and mildly flattens the left ventral surface of the spinal canal. C5-6: Disc desiccation with mild height loss.Diffuse discosteophyte bulge and uncovertebral joint hypertrophy, moderate central canal stenosis- Severe neuroforaminal stenosis bilaterally, right greater than left.
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Hybrid Mode
