The History of Spinal Surgery & Implants

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From a deep rooted history thousands of years in the making, the study of the spine has been a mystery. For centuries studies of the spine and advancing the technology and practice of spinal repair has made significant progress. The ancient Egyptians and the text of the Smith Papyrus in1650 BC is where we first can see progress.  The most significant advances have only been made within the last 50 years. Trial and error helped to make a lot of the advances in this field possible. It has become a more precise science because of the pioneers of medical thinking like that of the Egyptians and Ancient Greeks.

Evidence of spinal repair can be seen in mummies dating back even earlier to 3000 BC.  The study of the body was well understood by the Egyptians despite the fact that priests preparing bodies for mummification and the doctors didn’t communicate. The Smith Papyrus documents illustrated the Egyptians understanding of the spine and how it related to the loss of feeling in legs, arms and even paralysis.  Human dissection of the diseased was not permitted making the knowledge the Egyptians had even more impressive.

The History of Spinal Implants

The next notable documentation about the spine didn’t show up again in history until documents written by Hippocrates were discovered.  Spinal fusion can be traced back to the Greeks, and Hippocrates is often noted as the father of spine surgery.  He has been credited as the first person to believe that disease was a natural occurrence and not due to superstition or because of the gods.  He wrote extensively about treatment principles as he proposed the first traction procedure of the spine.  A Greek physician who lived in Egypt for a time, Hippocrates learned a lot about the human body by studying corpses of warriors that died in battle.

Through his observation he was able to make fairly accurate conclusions about the spine and how it affected the rest of the body.  He created two different devices to work on the spine. The Hippocratic Ladder and the Hippocratic Board that were devised to reduce displaced vertebra and reduce spinal curvature.  These devices applied pressure to separate joints without injuring the ligaments around them.

It wasn’t until 650AD that the first spine laminectomy was performed.  Paul of Aegina performed the surgery to treat spinal cord compression.  These early procedures usually were long, drawn out and usually not completely successful resulting in disability or death.  This continued through the 1800’s with very little success and high mortality rates.  Pain management, anesthetic and antibiotics were a most likely cause of failure in early procedures. The first attempt to correct surgical correction of scoliosis happened in 1839 by Jules Guerin.  His attempts were controversial and he eventually was banned from practicing medicine.  The invention of the X-Ray helped invasive spinal surgery be more effective especially for treating scoliosis and spinal tuberculosis. In the early 1900’s spinal fusion was used successfully to stabilize the spine. In 1941 spinal fusion started becoming a common occurrence.  Spinal fixation was mostly done through bedrest, splinting and immobilization before the 20th century and the use of spine fixation techniques.

One of the earliest successful internal fixation techniques was developed in 1891 to treat a cervical fracture with silver wire loops around the spinous process, using a figure-eight pattern.  In 1943, a technique of adding facet screws to the fusion constructs was developed.  In the late 1950s spinal instrumentation using steel rods attached to hooks to correct deformity through compression and distraction and the first pedicle screw were used.  As more was understood about the spine additional milestones in surgical improvement started to emerge. Cervical fixation devices were developed to use wire and rod systems using the curvature of the spine.

It wasn’t until the 1970’s that spine surgery made real progress with Endoscopes and the use of MRI technology to make surgery less invasive.  The use of lasers in the early 90s made surgery even more successful. The fixation devices and implants used today have also made a lot of improvements.  Materials and biocompatibility have improved dramatically and surgery success rates have improved drastically.

 

The History of Spinal Surgery & Implants

Within the last few years minimally invasive surgery has been made possible with the help of improved surgical tools, techniques, technology and imaging. Surgery can now be completed with smaller incisions, less blood loss, faster recovery times, reduced risk, less rehab and faster recovery.   Today we know so much more about the spine and can fix problems that dramatically improve patients’ lives.

 At Empirical Technologies Corp., we have extensive experience in providing mechanical testing and drafting 510(k) submissions for spinal implants. Contact our offices for a free estimate or to further discuss how we may be able to assist with your implant project.

References:

https://turknorosirurji.org.tr/TNDData/Books/338/history-of-minimally-invasive-spine-surgery.pdf

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5107724/

https://spineina.com/blog/the-history-of-spine-surgery/

https://thejns.org/spine/view/journals/j-neurosurg-spine/31/6/article-p775.xml

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