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AR-S3350-7015-130

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Dural tears are a common concern during traditional open or mini-open spine surgery, with studies showing as high as a 10% occurrence rate during lumbar stenosis procedures.1-4 This page provides information and solutions for the management of incidental durotomies during endoscopic procedures.
References
1. Nielsen TH, Rasmussen MM, Thygesen MM. Incidence and risk factors for incidental durotomy in spine surgery for lumbar stenosis and herniated disc. Acta Neurochir (Wien). 2022;164(7):1883-1888.
2. Greil ME, Bergquist J, Kashlan ON, Kwon WK, Durfy S, Hofstetter CP. Incidence and management of dural tears in full-endoscopic unilateral laminotomies for bilateral lumbar decompression.&nbsp;Eur Spine J. 2023;32(8):2889-2895. doi:10.1007/s00586-023-07749-7
3. Lewandrowski KU, Hellinger S, De Carvalho PST, et al. Dural tears during lumbar spinal endoscopy: surgeon skill, training, incidence, risk factors, and managment.&nbsp;Int J Spine Surg. 2021;15(2):280-294. doi:10.14444/8038
4. Trathitephun W, Asawasaksakul A, Jaruwanneechai K, et al. Intraoperative management of iatrogenic durotomy in endoscopic spine surgery: a systematic review.&nbsp;Neurospine. 2024;21(3):756-766. doi:10.14245/ns.2448346.173

Dural Repair

Child (D)

The endoscopic approach to interlaminar discectomies provides minimally invasive access to posterior herniations in the lower lumbar spine that may be difficult to reach through a transforaminal approach. Additionally, interlaminar discectomy results in less tissue and muscle disruption, faster recovery times, and a quicker return to activity than traditional open procedures.1-4 WishBone™ endoscopic instruments feature superior feel and improved ergonomics that facilitate inverted and retrograde usage with either hand.
References
1. Matsumoto M, Hasegawa T, Ito M, et al. Incidence of complications associated with spinal endoscopic&nbsp;surgery: nationwide survey in 2007 by the Committee on Spinal Endoscopic Surgical Skill Qualification of&nbsp;Japanese&nbsp;Orthopaedic&nbsp;Association.&nbsp;Orthop&nbsp;Sci. 2010;15(1):92-96. doi:10.1007/s00776-009-1428-6​
2. Ahn Y, Oh HK, Kim H, Lee SH, Lee HN. Percutaneous endoscopic lumbar foraminotomy: an advanced&nbsp;surgical technique and clinical outcomes. Neurosurgery. 2014;75(2):124-133.&nbsp;doi:10.1227/NEU.0000000000000361
3.&nbsp;Polikandriotis JA, Hudak EM, Perry MW. Minimally invasive surgery through endoscopic laminotomy and&nbsp;foraminotomy for the treatment of lumbar spinal stenosis. J Orthop. 2013;10(1):13-16.&nbsp;doi:10.1016/j.jor.2013.01.006
4. Ruetten&nbsp;S,&nbsp;Komp&nbsp;M, Merk H, Godolias G. Use of newly developed instruments and endoscopes: Full-endoscopic resection of lumbar disc herniations via the interlaminar and lateral transforaminal approach. J&nbsp;Neurosurg Spine 2007;6(6):521-530. doi:10.3171/spi.2007.6.6.2.​

Interlaminar Endoscopic Lumbar Discectomy

Endoscopic lateral recess decompression is an ultra-minimally invasive technique designed to relieve nerve pressure caused by a specific form of spinal stenosis, where the central canal remains open but the lateral recess compresses the traversing nerve root. This often-overlooked pathology is a common cause of unilateral or bilateral radiculopathy. By utilizing the interlaminar corridor, surgeons can precisely remove compressive bone and tissue with minimal disruption to surrounding anatomy. Patients typically experience significant pain relief and improved mobility shortly after surgery.1 Long-term studies suggest these benefits are durable, with low reoperation rates.2
 
References&nbsp;
 
1. Lee CH, Choi M, Ryu DS, et al. Efficacy and safety of full-endoscopic decompression via interlaminar approach for central or lateral recess spinal stenosis of the lumbar spine: a meta-analysis. Spine (Phila Pa 1976). 2018;43(24):1756-1764. doi:10.1097/BRS.0000000000002708. Erratum: Spine (Phila Pa 1976). 2019;44(4):E258. doi:10.1097/BRS.0000000000002988
 
2. Kesornsak W, Kuansongtham V, Lwin KMM, Pongpirul K. Pain improvement and reoperation rate after full-endoscopic decompression for lateral recess stenosis: a 10-year follow-up. Eur Spine J. 2023;32(8):2882-2888. doi:10.1007/s00586-023-07801-6

Lateral Recess Decompression

Minimally invasive endoscopic cervical foraminotomy and decompression is designed to treat cervical radiculopathy and other conditions that compress the nerve root. Utilizing an endoscope, surgeons can directly visualize and remove compressive pathology such as disc herniations, osteophytes, and hypertrophic ligaments. This technique minimizes soft-tissue disruption, reduces blood loss, allows for quicker recovery, and has demonstrated high clinical success rates, with a systematic review reporting 91.3% overall and up to 94.2% for posterior approaches.1,2 Additionally, long-term follow-ups show lasting symptom relief, high patient satisfaction, and a lower risk of adjacent segment disease compared to traditional ACDF surgery.3
Potential applications include treatment of cervical radiculopathy, herniated cervical discs, cervical spondylosis, foraminal stenosis, and osteophytes (bone spurs). Research supports its effectiveness in treating both soft disc herniations, where the nucleus pulposus compresses the nerve root, and hard disc herniations caused by calcified disc material.4 A lower incidence of spinal instability has also been reported, suggesting a reduced need for future spinal fusion procedures.5
Careful patient selection is key to optimal surgical outcomes; those with major deformity, instability, or large central herniations may require alternative surgery. With proper selection and advancing technology, this method remains a safe, effective, and motion-preserving option for cervical nerve decompression.1
References
1. Huang CC, Fitts J, Huie D, Bhowmick DA, Abd-El-Barr MM. Evolution of cervical endoscopic spine surgery: current progress and future directions—a narrative review.&nbsp;J Clin Med.&nbsp;2024;13(7):2122. doi:10.3390/jcm13072122
2. Alomar SA, Maghrabi Y, Baeesa SS, Alves ÓL. Outcome of anterior and posterior endoscopic procedures for cervical radiculopathy due to degenerative disk disease: a systematic review and meta-analysis.&nbsp;Global Spine J.&nbsp;2022;12(7):1546-1560. doi:10.1177/2192568221103727
3. Kim HS, Wu PH, Tze-Chun Lau E, Jang IT. Narrative review of uniportal posterior endoscopic cervical foraminotomy.&nbsp;World Neurosurg.&nbsp;2024;181:148-153. doi:10.1016/j.wneu.2023.10.021
4. Bergamaschi JPM, Brito MBS, Araújo FF, et al. Surgical technique of central and over-the-top full-endoscopic decompression of the cervical spine: a technical note.&nbsp;J Pers Med.&nbsp;2023;13(10):1508. doi:10.3390/jpm13101508
5. Zhang C, Wu J, Zheng W, Li C, Zhou Y. Posterior endoscopic cervical decompression: review and technical note.&nbsp;Neurospine.&nbsp;2020;17(Suppl 1):S74-S80. doi:10.14245/ns.2040166.083

Spine Endoscope, 7.0 x 130mm, 15°

AR-S3350-7015-130

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