1.A study on individual internal fixation with steel plate according to 3D reconstruction of CT images and Ugnx, Pro/E machining method.
Zhonghui LU ; Songlin TONG ; Zhongmian XU
Chinese Journal of Medical Instrumentation 2010;34(2):89-93
PURPOSEDiscuss the new method of individual internal fixation with steel plate customization.
METHODCustomize individual internal fixation with steel plate according to 3D reconstruction of CT images and Ugnx. Pro/E machining method.
RESULTSuccess in customization about the first individual internal fixation with clavicular hook plate for the treatment of multisegmental fracture of clavicle.
CONCLUSIONThe new method of individual internal fixation with steel plate customization according to 3D reconstruction of CT images and Ugnx, Pro/E machining technique is a good news for patients of orthopaedic trauma. We are fully confident of the future development of the method of individual internal fixation with steel plate customization.
Bone Plates ; Equipment Design ; Fracture Fixation, Internal ; instrumentation ; Fractures, Bone ; diagnostic imaging ; Humans ; Image Processing, Computer-Assisted ; methods ; Imaging, Three-Dimensional ; Internal Fixators ; Steel ; Tomography, Spiral Computed ; methods
2.In vitro Mechanical Behaviors Evaluation and Testing Devices of Orthopedic Sutures
Qian ZHANG ; Jiayan LUAN ; Zhongmian XU ; Lu WANG
Journal of Medical Biomechanics 2019;34(5):E560-E566
Orthopedic sutures are vital medical devices in repair surgeries of tendons and ligaments. Properties especially mechanical properties of orthopedic sutures have great impacts on the effects of tendon/ligament repairs. In this paper, clinically used orthopedic sutures including absorbable sutures and non-absorbable sutures were summarized firstly, by exploring literature about orthopedic sutures, and the mostly used orthopedic sutures are non-absorbable sutures. Then, based on the particularity of the repaired sites of orthopedic sutures, the in vitro mechanical test devices and evaluation method of orthopedic sutures were reviewed, mainly including the mechanical properties of sutures, suture-tissue, and suture-anchor. In addition, the characteristics of different evaluation method or test devices were compared. It was still difficult to evaluate the mechanical properties of orthopedic sutures due to the lack of instruments and test criteria.