{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T01:01:10Z","timestamp":1769043670637,"version":"3.49.0"},"reference-count":34,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"name":"German Federal Ministry of Research and Education","award":["01KN1106"],"award-info":[{"award-number":["01KN1106"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Minimally Invasive Surgery"],"published-print":{"date-parts":[[2012]]},"abstract":"<jats:p><jats:italic>Purpose<\/jats:italic>. The relatively new and less-invasive therapeutic alternative \u201cinterspinous process decompression device (IPD)\u201d is expected to result in improved symptoms of neurogenic intermittent claudication (NIC) caused by lumbar spinal stenosis. The aim of the study was to analyze IPD position particularly regarding damage originating from surgical implantation.<jats:italic>Methods<\/jats:italic>. Anatomic assessments were performed on a fresh human cadaver. For the anatomic examination, the lumbar spine was plastinated after implantation of the IPDs. After radiographic control, serial 4 mm thick sections of the block plastinate were cut in the sagittal (L1\u2013L3) and horizontal (L3\u2013L5) planes. The macroanatomical positioning of the implants was then analyzed. The insertion procedure caused only little injury to osteoligamentous or muscular structures. The supraspinous ligament was completely intact, and the interspinous ligaments were not torn as was initially presupposed. No osseous changes at the spinal processes were apparent. Contact of the IPD with the spinous processes was visible, so that sufficient biomechanical limitation of the spinal extension seems likely.<jats:italic>Conclusions<\/jats:italic>. Minimally invasive IPD implantation with accurate positioning in the anterior portion of the interspinous place is possible without severe surgical trauma.<\/jats:p>","DOI":"10.1155\/2012\/538697","type":"journal-article","created":{"date-parts":[[2012,8,1]],"date-time":"2012-08-01T21:01:04Z","timestamp":1343854864000},"page":"1-5","source":"Crossref","is-referenced-by-count":2,"title":["The Interspinous Spacer: A Clinicoanatomical Investigation Using Plastination"],"prefix":"10.1155","volume":"2012","author":[{"given":"Thomas","family":"Kaulhausen","sequence":"first","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, University Hospital of Cologne, Joseph-Stelzmann-Strab\u00dfe. 9, 50931 Cologne, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kourosh","family":"Zarghooni","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, University Hospital of Cologne, Joseph-Stelzmann-Strab\u00dfe. 9, 50931 Cologne, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gregor","family":"Stein","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, University Hospital of Cologne, Joseph-Stelzmann-Strab\u00dfe. 9, 50931 Cologne, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jutta","family":"Knifka","sequence":"additional","affiliation":[{"name":"Center of Anatomy, Cologne University, Joseph-Stelzmann-Stra\u00dfe 9, 50931 Cologne, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peer","family":"Eysel","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, University Hospital of Cologne, Joseph-Stelzmann-Strab\u00dfe. 9, 50931 Cologne, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juergen","family":"Koebke","sequence":"additional","affiliation":[{"name":"Center of Anatomy, Cologne University, Joseph-Stelzmann-Stra\u00dfe 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