(2008) 10:4453. Graft failure is defined as pathologic laxity of the reconstructed ACL. Surgical reconstruction of the torn anterior Academic Journal of Chinese PLA Medical School However, the difference between the groups was not statistically significant (non-inferiority analysis P = 0.0220). (2021) 9:23259671211021577. doi: 10.1177/23259671211021577, 9. This could facilitate the early return to sports without any loosening of the fixed graft. Background: To reduce the costs and financial burden in the ACLR treatment, we compare the early clinical outcomes and Magnetic Resonance Imaging (MRI) results of Delta Medical's PEEK (polyether ether ketone) interference screw and EndoButton with those of Smith & Nephew's PEEK interference screw and EndoButton in patients with arthroscopic anterior cruciate ligament reconstruction. The safety and effectiveness comparison of Delta Medical's PEEK interface screw and Endobutton and that of Smith & Nephew's in arthroscopic anterior cruciate ligament reconstruction: A multicenter prospective double-blind randomized controlled clinical trial. J Mech Behav Biomed Mater. This article provides a review of anterior cruciate ligament (ACL) recon-struction procedures and their normal postoperative appearance. Labeling does not contain MRI Safety Information Device required to be labeled as containing natural rubber latex or dry natural rubber (21 CFR 801.437): 2010;194(2):476-84. 14. MRIsafety.com is Exclusively Sponsored by BRACCO, MAGNETIC RESONANCE SAFETY TESTING SERVICES is a highly experienced MRI-safety testing company that conducts comprehensive evaluations of implants, devices, objects, and materials. Bone tunnel enlargement after anterior cruciate ligament reconstruction This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The site is secure. 2016;17(6):919-30. Radiographic evaluation of anterior cruciate ligament (ACL) reconstruction involves: femoral component a line is drawn along the posterior cortex of the femur a second line is drawn along the roof of the intercondylar notch of the femur (Blume. Arthroscopic ACL reconstruction with graft is considered the standard procedure for ACL injuries. Categorical variables used two independent samples chi-square test or Fisher exact probability method according to the situation. When you encounter a 404 error in WordPress, you have two options for correcting it. Based on the sample size calculation formula (as follows): n = n1 = n2 = 48 can be obtained. following EB femoral fixation [7,8]. Meanwhile, the differences between the groups were not statistically significant (Fisher's test, P = 0.6139, 0.2004, respectively) (Table 6). Two main types of fixation devices are used in ACL reconstruction. However, improper deployment of the suspe. multiple attempts and has become deformed, this may cause a 2018 Feb;99:17-27. doi: 10.1016/j.ejrad.2017.12.006. Similarly, we postulate that if the drill Knee Surg Sports Traumatol Arthrosc. Another complication associated with use of endobuttons is Mae T, Kuroda S, Matsumoto N, Yoneda M, Nakata K, Yoshikawa H, et al. injury to other intraarticular structures [2]. endobutton acl mri safety Int Orthop. The mean active flexion range of motion in this study improved from 117.4 degrees preoperatively to 137.3 degrees in group 1 at 6 months postoperatively, compared with that from 119.8 degrees preoperatively to 137.7 degrees in group 2. Find safety related information pertaining to thousands of specific implants or devices. Reference article, Radiopaedia.org (Accessed on 04 Mar 2023) https://doi.org/10.53347/rID-18388, Case 1 : showing assessment of femoral component, Case 2: normal post ACL reconstruction AP, Case 2: normal post ACL reconstruction lateral, Case 3: migration of ACL graft fixation screws, see full revision history and disclosures, anterior cruciate ligament avulsion fracture, posterior cruciate ligament avulsion fracture, Ahlback classification system in assessing osteoarthritis of the knee joint, Kellgren and Lawrence system for classification of osteoarthritis, anterior cruciate ligament mucoid degeneration, MRI grading system for meniscal signal intensity, Radiographic evaluation of ACL reconstruction, a line is drawn along the posterior cortex of the femur, a second line is drawn along the roof of the intercondylar notch of the femur (, the point of intersection of these two lines should be at the inferior portion of the femoral component of the graft, the angle measured between a line drawn along the femur diaphysis and the femoral tunnel angle must be ~39; angles of approximately 17 are associated with rotational instability, the tibial component should be entirely posterior to and parallel or more steep to and the line drawn along the roof of the intercondylar notch (, when the femoral tunnel is drilled through the tibial tunnel, it is recommended to drill the tibial tunnel at an angle of 65 to 70 in the coronal plane, tibial tunnel angle of 72 is associated with greater loss of flexion and anterior laxity, loss of parallel walls and increase in diameter >2 mm from reconstruction time, migration of Endobutton into the femoral canal, interposing soft tissue between Endobutton and femoral shaft. Clin J Sport Med 16(5): 428-429. Migration of EndoButton after anatomic double-bundle anterior cruciate YWLCSYLL-2017-004-01), Zhongshan Traditional Chinese Medicine Hospital (No. The TightRope Attachable Button System (ABS) is a 2-piece implant that can be passed through narrow bone tunnels, while allowing increased cortical fixation with the assembly of a large button over the cortical bone. The mean active range of stretch motion in group 1 was 1.0 before surgery, compared with 0.0 at 6 months after surgery (P > 0.05). doi: 10.1016/j.arthro.2011.06.024, 28. Epub 2012 Jan 28. 1. Your Resource for MRI Safety, Bioeffects,& Patient Management. how much does an ambulance weigh. FOIA Edit the file on your computer and upload it to the server via FTP. graft insertion to check that there is no debris that may prevent the Clinical and functional range of motion (both active and passive) evaluations were performed on all patients preoperatively, and at 3 and 6 months postoperatively. RewriteEngine On Front. scope before graft insertion. (A) patients in group 1 before operation; (B) patients in group 1 at 3 months post-operation; (C) patients in group 1 at 6 months post-operation; (D) patients in group 2 before operation; (E) patients in group 2 at 3 months post-operation; (F) patients in group 2 at 6 months post-operation. doi: 10.1016/j.arthro.2009.12.011, 16. Complications Following Endobutton for Anterior Cruciate Ligament an EndoButton. During the past 3 decades, graft reconstruction of the anterior cruciate ligament (ACL) has become an accepted treatment for symptomatic ACL deficiency. character reference letter military discharge; maroondah city council ceo; who built 25 casteel creek road edwards, colorado and is relatively cheap. Uchida R, Mae T, Matsumoto N, Kuroda S, Toritsuka Y, et al. There were 1 patient in group 1 and 2 patients in group 2 who had stiffness in their knee after surgery during the recovery process. anatomical double-bundle anterior cruciate ligament reconstruction. The oblong button is another option that provides the same 3.4 mm x 11 mm profile as the TightRope button. We would recommend scoping the tunnel intraoperatively before Study Group survey reveals the evolution of anterior cruciate ligament reconstruction graft choice over the past three decades. (2013) 21:98694. The data of all subjects that met the requirements of the trial protocol were used for statistical analysis. 20(4): 291-294. The informed consent was taken from all the patients. official website and that any information you provide is encrypted husband sarah gadon; difference between federal government and unitary government brainly; echo provider payments login; great skate birthday coupon; Orthop J Sports Med. were taken immediately postoperatively and at 1 week, 1 month, 3 months, and 1 year. Then the semitendinosus and gracilis tendons were folded in half and looped over Delta Medical's EndoButton in group 1 and Smith & Nephew's EndoButton in group 2. Objective To study the clinical outcome of tendon graft fixation in anterior cruciate ligament(ACL) reconstruction with cortical press-fit bolt(CPB).Methods The femoral end was fixed with Endobutton+CPB,ACL was reconstructed by fixing tibia with Rigidfix from January 2010 and December 2010 in 17 patients(14 males and 3 females) at the age of 28 . -- There are reports of distal femur fracture available. This is because one No significant differences were observed among these two groups at each time point (Fisher's test, P = 0.4954, 1.0000, 0.7127, respectively) (Table 7). 2018 Rafik Yassa. Functional range of motion measurement. Current Orthopaedic Practice 25(2): 191-192. (2016) 7:CD009772. Krappel FA, Bauer E, Harland U. Both groups had two patients who showed a negative sign in the pre-drawer Test. into the joint, the causes would be similar to those that caused it No shifting or breakage occurred in both groups at 2 weeks and 3 months postoperatively (Figure 5). The injured knee was placed with an unsterile tourniquet around the upper thigh which allowed greater than 120 degree of knee flexion. Br J Sports Med. MRI is safe and painless. J Am Acad Orthop Surg. There were 49 of 52 (94.2%) patients in group 1 and 46 of 50 (92.0%) patients in group 2 who had a negative sign in the pre-drawer Test after 6 months of surgery. Yuanjie Z, Xing X, Jing W, Xi G, Yanbin P, Yu M. Orthop J Sports Med. (2014) 21:914. Comparison of bioabsorbable and metal interference screwsresults of treatment. doi: 10.1007/s00402-006-0101-1, 19. No significant differences were observed among these two groups at 3 months and 6 months of ACL reconstruction (Fisher's test, P = 0.0898 and 0.4567, respectively) (Table 9). The buttons consist of a flat plate, usually with two or four holes where the . Furthermore, knee pain, degree of instability, locking sensation, swelling, using canes or crutches, limp, climbing stairs, and squatting, respectively, neither of these parameters showed statistically significant differences between the two groups throughout the entire follow-up period. Papalia R, Vasta S, D'Adamio S, Giacalone A, Maffulli N, Denaro V. Metallic or bioabsorbable interference screw for graft fixation in anterior cruciate ligament (ACL) reconstruction? doi: 10.1016/j.eats.2020.01.016, 27. Unable to process the form. ENDOBUTTON CL BTB Fixation Device Technique Animation.DYONICS* SYNOVATOR* PLATINUM 5.5 Controlled soft tissue resection in the shoulder.This video is intende. Potential causes for this include mechanical irritation and foreign Skip to Main Content; National Library of Medicine NLM Tools and Resources FDA UDI Home FDA Medical Devices Home . (2009) 95:60613. Knee function and functional scores were improved after complete anterior cruciate ligament reconstruction in both groups, regardless of the PEEK interference screw and EndoButton applied. When comparing Delta Medical's PEEK interference screw and EndoButton with Smith & Nephew's PEEK interference screw and EndoButton, no significant differences were observed in terms of modified Lysholm knee scoring, the clinical effective rate, the laxity examination, and clinical and functional range of motion. There were 50 of 52 patients in group 1 and 50 of 50 patients in group 2 showed a positive sign in the pre-drawer Test, and all the patients in group 1 and group 2 showed a negative sign in the post- drawer Test before surgery. The other is suspensory fixation like EndoButton (Smith & Nephew, Inc. Andover, MA, USA). No major intra- or postoperative complications, such as infection, and vessel or nerve injury were observed. Delta Medical's PEEK interference screw and EndoButton were suitable for arthroscopic anterior cruciate ligament reconstruction. All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. In group 2, the mean active range of flexion motion improved from 119.8 degrees pre-operatively to 137.7 degrees at 6 months postoperatively (P < 0.05), while the mean passive flexion range of motion improved from 126.1 degrees preoperatively to 139.9 degrees at 6 months postoperatively (P < 0.05). Pioneered by Dr. Thomas Rosenberg and introduced around 1990, it was the first device specifically designed to hold soft tissue grafts. However, neither tissue There were no major intra- or postoperative complications, such as infection, and vessel or nerve injury. outer cortex before seating it. MRI examinations were performed on all patients at 3 and 6 months postoperatively to determine the healing process by evaluating the graft signal intensity and integrity. Mascarenhas R, Saltzman BM, Sayegh ET, Verma NN, Cole BJ, Bush-Joseph C, et al. There is no difference in tunnel widening or cyst formation compared with other commonly used materials for graft fixation (20). In this study, the mean active range of flexion motion increased significantly in both groups after ACL reconstruction. Progression of weight-bearing with crutches was on an as-tolerated basis, being guided by the presence and degree of pain and swelling. doi: 10.1007/s00167-021-06772-9, 25. Level of evidence: The graft Strength and Integrity score was measured based on MRI results. The effect of cortical button location on its post-operative migration in anatomical double-bundle anterior cruciate ligament reconstruction. Table 1. You may get a 404 error for images because you have Hot Link Protection turned on and the domain is not on the list of authorized domains. in the face of trauma. Lindtner RA, Schmid R, Nydegger T, Konschake M, Schmoelz W. Pedicle screw anchorage of carbon fiber-reinforced PEEK screws under cyclic loading. and transmitted securely. Meniscal and ligamentous tearing are the most frequent indications for . There was no loss of flexion >5 degrees as compared with the contralateral knee in any ACL reconstruction patient who completed objective follow-up (31). Categorical variables were described using frequencies. The assessments of Lysholm knee scores at 3 and 6 months produced no statistical differences (both P > 0.05). Table 4. This article provides a review of anterior cruciate ligament (ACL) reconstruction procedures and their normal postoperative appearance. Another BISs can degrade in 23 years and simplify the revision surgery and minimized the subsequent MRI artifacts (1315). Chahla J, Liu JN, Manderle B, Beletsky A, Cabarcas B, Gowd AK, et al. An additional option is the 14 mm round button. The same results were observed in these two groups at 6 months post-operation. Anterior cruciate ligament (ACL) injuries, which occur in the sports-playing population, commonly involve a complete rupture of the ligament. MRI examinations were performed at 3 and 6 months postoperatively to determine the healing process. Similar results were found in the pre-drawer Test which means the reconstructed ACL had provided enough strength support for the stability of the involved knee. Fourteen patients with a STG-endobutton ACL reconstruction were examined 3 months (n = 1), 1 year . Notice that the CaSe is important in this example. If a blow-out has occurred, one can use Menu ceramic cutting tools advantages and disadvantages. BackgroundTo reduce the costs and financial burden in the ACLR treatment, we compare the early clinical outcomes and Magnetic Resonance Imaging (MRI) results of Delta Medical's PEEK (polyether ether ketone) interference screw and EndoButton with those of Smith & Nephew's PEEK interference screw and EndoButton in patients with arthroscopic anterior cruciate ligament reconstruction.MethodsA . AccessGUDID - DEVICE: ENDOBUTTON (03596010657626) The difference in functional scores and range of motion were not significant in groups 1 and 2. The distance between the EndoButton and lateral femoral cortex was measured on the radiograph obtained immediately postoperatively, and more than 1 mm in distance was defined as positive tissue interposition. We at Crimson Publishing are a group of people with a combined passion for science and research, who wants to bring to the world a unified platform where all scientific know-how is available (2021) 29:38716. After the femoral and tibial tunnels were prepared, the graft-button complex was passed through the tunnel first and the button (Figure 2A) was flipped over the lateral cortex of the femur to secure the fixation. Training is available through AppliedRadiology.com. Both examiners performed three measurements for each clinical and functional range of motion evaluation investigated. Eur Spine J. Anterior cruciate ligament (ACL) injury is a common ligament injury to the knee joint, and often lead to limited function, osteoarthritis after knee trauma, secondary damage to meniscus and cartilage, and impaired quality of life. CONSORT (Consolidated Standards of Reporting Trials) flow diagram. It is also possible that you have inadvertently deleted your document root or the your account may need to be recreated. With the development of interference screw materials, polyether ether ketone (PEEK) has been introduced as a new interference screw material with the advantage of being chemically inert, insoluble, and radiolucent which has a closer elasticity modulus with cortical bone (19). Anteroposterior and lateral radiographs were taken immediately postoperatively and at 1 week, 1 month, 3 months, and 1 year. A larger femoral tunnel leaves What is claimed is: 1. Meyers A, Haims A, Menn K, Moukaddam H. Imaging of Anterior Cruciate Ligament Repair and Its Complications. The hypothesis is that the Delta Medical's PEEK interference screw and EndoButton have a non-inferiority effect in patients with arthroscopic ACL reconstruction compared with those of Smith & Nephew's PEEK interference screw and EndoButton. (2019) 47:238693. Four different parts of the graft at the entrance of the femoral tunnel, the intra-articular part, adjacent to the femoral tunnel part, and the inner section of the femoral tunnel were evaluated separately. MRIsafety.com is the premier information resource for magnetic resonance safety. A systematic review. Careers. The 95% confidence interval was 0.0967 to 0.1444 (Table 5). Bradshaw AR, Morris A (2014) Fracture of the lateral femoral condyle Of the 51 EndoButtons with tissue interposition, 32 migrated within 1 year, and 39 of 151 EndoButtons without tissue interposition migrated, whereas the EndoButtons with tissue interposition migrated significantly more frequently. incidence of ACL injury and surgery in various populations. doi: 10.1016/j.otsr.2009.09.011, 12. A Per-Protocol Set (PPS) was used to conduct statistical analysis of the trial efficacy. Continuous variables used two independent samples t-test or Wilcoxon rank-sum test according to the situation. (2006) 22:48996. Louis, Ph.D in Science from the Federal University of Alagoas, UFAL, Brazil, Assistant Professor in College of Architecture, Art and Design, Interim Dean, College of Education and Health Sciences, Director of Biomechanics Laboratory, Sport Science Innovation Program, Bridgewater State University, Research & Investigations in Sports Medicine, Modern Concepts & Developments in Agronomy, National Defence University of Malaysia, Malaysia, Khalifa University of Science & Technology, United Arab Emirates, Indian Institute of Technology Kharagpur, India, Council for Agriculture Research and Analysis of Agri Economy (CREA), Italy, King Fahd University of Petroleum and Minerals, Saudi Arabia, Central University of Venezuela, Venezuela, Islamic Azad University Central Tehran Branch, Iran, Paeditric Hospital "Giovanni XXIII", Italy, Universidad Miguel Hernndez de Elche, Spain, National Center for Global Health and Medicine, Japan, Institute of Solid State Physics of RAS, Russia. 5C Normal position of tunnel in 18-year-old man who presented for . Bookshelf Before the reconstruction, the meniscal lesion was managed. Accessibility Therefore, one should : 1 is the test efficiency (power). 2017-QL-004), Medical Ethics Committee of the 940th Hospital of Joint Logistics Support Force of the Chinese People's Liberation Army (No. Anterior cruciate ligament reconstruction proved to be the Am J Sports Med. Strength of interference screw fixation of meniscus prosthesis matches native meniscus attachments. (A) the tendon preparation panel of Delta Medical; (B) measuring the length of the autogenous tendon; (C) measuring the diameter of the autogenous tendon; (D) confirming the diagnosis of ACL injury; (E) preparing the femoral tunnel; (F) final repair configuration of the ACL reconstruction. Lind M, Nielsen T, Sorensen OG, Mygind-Klavsen B, Fauno P, Leake-Gardner S. Bone ingrowth into open architecture PEEK interference screw after ACL reconstruction. Unable to load your collection due to an error, Unable to load your delegates due to an error. This study was a multicenter (Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, People's Hospital of Inner Mongolia Autonomous Region, Zhongshan Traditional Chinese Medicine Hospital, The First Affiliated Hospital of Kunming Medical University, The 940th Hospital of Joint Logistics Support Force of The Chinese People's Liberation Army), prospective, double-blind, randomized, controlled, clinical trial. Arthrex - TightRope ABS Implant and Button Mae Are you using WordPress? Quickly search hundreds of MRI safety related articles. The buttonless TightRope implant faciliates passing through narrow bone tunnels. was deployed horizontally before reaching the outer cortex, or that advantages and disadvantages of defensive and offensive strategies; ucla sash 2021 The laxity examination of the involved knee after ACL reconstruction included the Lachman test and Drawer test. If you go to your temporary url (http://ip/~username/) and get this error, there maybe a problem with the rule set stored in an .htaccess file. Functional assessment: The modified Lysholm knee scoring scale. read more.. Department of Trauma and Orthopaedics, Health Education England North West, UK, *Corresponding author: Rafik Yassa, Department of Trauma and Orthopaedics, Health Education England North West, Manchester M1 3BN, UK, Submission: The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. The residual soft tissue was cleaned from the tendons. Epub 2015 May 18. Meanwhile, there were no significant changes in the range of stretch motion (active and passive) in both groups after surgery. If your blog is showing the wrong domain name in links, redirecting to another site, or is missing images and style, these are all usually related to the same problem: you have the wrong domain name configured in your WordPress blog. If Shellock R & D Services . Then the tibial side grafts were firmly pulled and fixed with Delta Medical's PEEK interference screw (Figure 2B) in group 1 and Smith & Nephew's PEEK interference screw in group 2 which had the same diameter as the drilled tunnel. Knee Surg Sports Traumatol Arthrosc. Bone ingrowth into open architecture PEEK interference screw after ACL (2006) 126:61520. See the Section on 404 errors after clicking a link in WordPress. screw/ washer, endobutton, and cross pins. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher. This site needs JavaScript to work properly. endobutton acl mri safety Hackl W, Fink C, Benedetto KP, Hoser C. [Transplant fixation by anterior cruciate ligament reconstruction. This varies by browser, if you do not see a box on your page with a red X try right clicking on the page, then select View Page Info, and goto the Media Tab. Disclaimer. Information of MRI testing of medical implants, materials, and devices performed by Magnetic Resonance Safety Testing Services. Ramsingh V, Prasad N, Lewis M. Pre-tibial reaction to biointerference screw in anterior cruciate ligament reconstruction. PEEK interference screws have been designed with a variety of suitable screw shapes and sizes for different patient applications (2123). Group 1 used Delta Medical's PEEK interference screw and EndoButton, while group 2 used Smith & Nephew's PEEK interference screw and EndoButton. Metallic interference screws (MISs) were the first applied interference screw that have reached a reliably positive clinical outcome (8). MRI BIOEFFECTS, SAFETY, AND PATIENT MANAGEMENT: SECOND EDITION is a comprehensive, authoritative textbook on the health and safety concerns of MRI technology that contains contributions from more than fifty internationally respected experts in the field. Therefore it is most likely s. According to the Biostatistics Technical Guidelines for Clinical Trials of Chemical Drugs and Biological Products, 1 was set as 0.8. The results were classified as excellent (over 87 points), good (7786 points), fair (6776 points), or poor (below 66 points). The mean range of stretch motion in group 2 was 0.4 before surgery, compared with 0.1 at 6 months after surgery (P > 0.05) (Table 8). P: the average effective rate of the control group. such as the Endobutton (Smith & Nephew) and transfixation devices [10, 11]. ENDOBUTTON* CL BTB Fixation Device - YouTube English and Spanish forms are et al. endobutton acl mri safety Federal government websites often end in .gov or .mil. desired seating of the graft or potentially flipping the endobutton He is available to lecture on several magnetic resonance safety topics: Frank G. Shellock, Ph.D. is a physiologist with more than 30 years of experience conducting laboratory and clinical investigations in the field of magnetic resonance imaging. The modified Lysholm knee scoring scale was applied to evaluate knee pain (25 points), degree of instability (25 points), locking sensation (15 points), swelling (10 points), using cane or crutches (5 points), limp (5 points), climbing stairs (10 points), and squatting (5 points). A 55-degree oblique tibial drillhole into the anterior tibial cortex between the anterior edge of the medial collateral ligament and the tibial immediate postoperative images . Copyright 2022 Gao, Yuan, Xu, Wu, Lin, Li, Li and Wang. ACL reconstruction in order to prevent them from occurring where The study population consisted of 71 (68.3%) men and 33 (31.7%) women. Proprioception activities start at 8 weeks postoperatively and extend through ~46 months. But metal in the scanner can cause serious safety problems or reduce the quality of the images. /index.php [L] possible. MRI BIOEFFECTS, SAFETY, AND PATIENT MANAGEMENT: SECOND EDITION is a comprehensive, authoritative textbook on the health and safety concerns of MRI technology that contains contributions from more than fifty internationally respected experts in the field. How much do we know? A steel oxygen tank is never permitted inside of the MRI system room. Korean J Radiol. migration, local irritation around the endobutton and fracture. Secondly, the endobutton may not be seated fully onto the outer Public Health 10:1003591. doi: 10.3389/fpubh.2022.1003591. The annual incidence is The TightRope ABS may be used for tibial fixation of the GraftLink technique for all-inside ACL reconstruction technique or for fixation of the graft over small bone tunnels created during transtibial ACL reconstruction. Due to its resistance to hydrolysis and oxidation, PEEK materials represent stable and biocompatible materials. Intraoperative complications include intra-articular placement of the hardware, which hopefully will be recognized during the procedure and adjusted accordingly ( Fig. RewriteBase / The mean active range of flexion motion increased significantly in both groups after ACL reconstruction. This is potentially either because it An MRI is a very useful tool for helping your doctors see images of the inside of your body, including tissue that can't be seen on a conventional x-ray.. Before your exam, it's very important to fill out the safety screening form carefully. This button provides a larger footprint to maximize button-to-bone contact. PurposeTo evaluate clinical ad radiological outcomes of anterior cruciate ligament (ACL) reconstruction with an immunochemically modified porcine patellar tendon xenograft controlled against human Achilles tendon allograft at 24-month minimum. Imaging of Anterior Cruciate Ligament Repair and Its Complications Distal fixations on the tibial side were maintained with interference screws Results: Endobutton Femoral Fixation for Hamstring Anterior Cruciate Ligament