Bi-Stable Metamaterials with Intrinsic Memory for Selective Wave Filtering Based on Frequency and Amplitude.

Analytical, numerical, and experimental methods are used to investigate the utility of metamaterials in controlling harmonic waves based on both their amplitude and frequency. By programming the metamaterials to support bi-stable configurations (i.e.

Biomechanical comparison of two fixation methods for pediatric femoral neck fractures: an in vitro study using ovis aries lambs.

Objective: In pediatric patients, femoral neck fracture is a relatively rare injury with a high complication rate despite proper diagnosis and treatment. Fixation of femoral neck fractures is usually performed with screws placed along the neck axis. In this study, we aim to compare two different implants and methods in terms of biomechanics.

Effects of Focal Cerebellar Injury on Fracture Healing and Oxidative Stress in Rat Model: An Experimental Animal Study.

Aim: To examine the effect of cerebellar damage on the process of fracture healing.

Material And Methods: A total of forty-two male rats were selected at random and subsequently allocated into three distinct groups. The experimentals were divided into two subgroups within each group, with the intention of sacrificing them during the third and sixth weeks.

A Prospective Randomized Trial: Does Full Weight Bearing Improve Functional Outcomes in Elderly Patients With Proximal Intramedullary Nailing After an Intertrochanteric Femur Fracture?

Introduction This study aimed to compare the functional outcomes and degree of independence in activities of daily living in patients aged >65 years who were treated with a proximal femoral nail (PFN) after an intertrochanteric femur fracture (ITFF) and underwent full and partial load-bearing in the early stage. Methods Overall, 133 patients who were hospitalized for ITFF and treated with PFN between August 2018 and March 2021 were randomly assigned to two groups. During the follow-up period, 45 patients who underwent partial load bearing (Group 1) and 40 patients who underwent full load bearing (Group 2) were prospectively evaluated.

Smith c/b ratio and teardrop figure measurements; Can it be used in the follow-up of patients who underwent salter innominate osteotomy?

Background: This study aimed to investigate the effectiveness of radiological parameters used in the follow-up of patients who underwent salter innominate osteotomy (SIO) for the treatment of developmental dysplasia of the hip.

Methods: Acetabular index, c/b ratio, teardrop width, femoral head teardrop distance (TDD), and acetabular teardrop angle were measured on anteroposterior pelvic radiographs of patients who underwent SIO between 2017 and 2020. The patients were divided into 2 groups according to their preoperative Tönnis stage.