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find Keyword "Anatomic structure" 2 results
  • ANATOMIC FEATURES OF POSTERIOR SEPTUM OF KNEE JOINT AND ITS APPLICATION IN POSTERIOR TRANS-SEPTAL PORTAL FOR ARTHROSCOPIC SURGERY

    Objective To summarize the anatomic features of the posterior septum of the knee joint and its application in posterior trans-septal portal for arthroscopic surgery. Methods The literature related to posterior septum of the knee joint and arthroscopic surgery was extensively reviewed and analyzed. Results The posterior septum of the knee joint has more mechanoreceptors and blood vessels in the upper part, which are close to arteria popliteal at the tibial plateau level; the posterior compartment is divided into wider posteromedial and narrower posterolateral compartments. A safe arthroscopic trans-septal portal is established, in the knee flexion of 90°, in a lateral-to-medial direction, and with an inserting location below the middle of posterior septum. Conclusion The establishment method of posterior trans-septal portal is not uniform and all the features of posterior septum should be considered to decrease the complications.

    Release date:2016-08-31 04:06 Export PDF Favorites Scan
  • MEASUREMENT AND ANALYSIS OF GLENOID BONY ANATOMY BY USE OF THREE-DIMENSIONAL COMPUTED TOMOGRAPHY

    Objective To investigate and analyze the three-dimensional anatomic structure of glenoid bone in some Chinese people so as to provide the accurate anatomic data to design the new prosthesis of glenoid bone for Chinese people. Methods A total of 90 volunteers with two healthy shoulders (52 males and 38 females, aging 19-60 years with an average of 39.6 years) were selected. Five parameters were measured by use of three-dimensional computed tomography, volumerendering technique (VRT) and multiplanar reformation (MPR), including the maximum antero-posterior width (MAPW),antero-posterior radius of curvature (APROC), maximum supero-inferior height (MSIH), supero-inferior radius of curvature(SIROC) and version angle (VA) of glenoid. All parameters were measured two times, and the average values were analysed by SPSS13.0. The level of significance was set at P lt; 0.05. Results The average MAPW was (2.51 ± 0.32) cm, the average APROC was (5.50 ± 1.21) cm, the average MSIH was (3.45 ± 0.29) cm, the average SIROC was (3.98 ± 0.55) cm, and the average VA was (— 0.03 ± 4.66)°. There were no significant differences (P gt; 0.05) in MAPW, APROC, MSIH, SIROC and VA between two sides. There were significant differences (P lt; 0.05) in MAPW, MSIH, SIROC and VA, and no significant difference (P gt; 0.05) in APROC between female and male. MAPW was correlated with APROC, MAPW was correlated with MSIH, APROC was correlated with SIROC, and the correlation coefficient was 0.298, 0.495 and 0.262, respectively. Conclusion There are no significant differences in MAPW, APROC, MSIH, SIROC and VA of glenoid between two sides. There are sexual significant differences in MAPW, MSIH, SIROC and VA. The data and its statistical results may serve as guidel ines for the design of the glenoid component.

    Release date:2016-09-01 09:07 Export PDF Favorites Scan
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