Early failure of hip resurfacing has been attributed to component malposition and other factors. Accurate placement of the femoral guide pin is challenging with commercial guides, and computer navigation adds considerable cost to the procedure. Precise pin placement can be achieved by drilling a 2.8-mm pin across the hip joint in a retrograde fashion similar to placing a dynamic hip screw pin. ...

The S-shaped clavicle poses a problem for intramedullary pin fixation. Stability of fracture fixation is closely related to the length of intramedullary pin engagement. This study was carried out to determine the engagement length of intramedullary pins into clavicular fractures using a small and a large pin. Seven pairs of fresh cadaveric clavicles were prepared and arranged into Group 1 and G...

Despite best efforts from security API designers, flaws are often found in widely deployed security APIs. Even APIs with a formal proof of security may not guarantee absolute security when used in a real-world device or application. In parallel to spending research efforts to improve security of these APIs, we argue that it may be worthwhile to explore design criteria that would reduce the impa...

The recently developed automated, high-throughput monopolar REIMS platform is suited for the identification of clinically important microorganisms. Although already comparable to the previously reported bipolar forceps method, optimization of the geometry of monopolar electrodes, at the heart of the system, holds the most scope for further improvements to be made. For this, sharp tip and round ...

 Abstract Background: Distal Radial fracture is one of the most common fractures of the skeletal system. Although it has been believed to be a simple fracture with excellent outcomes, practical operations’ results have always been undesirable and even poor. The goal of this study was to compare two methods of treatment “pin and plaster and precautious pin fixation in patients with unstable extr...

An optimization procedure for designing a ceramic tensile creep specimen to minimize stress concentration is carried out using a finite element method. The effect of pin loading and the specimen geometry are considered in the stress distribution calculations. A growing contact zone between the pin and the specimen has been incorporated into the problem solution scheme as the load is increased t...

1 Associate Professor, Department of Medicine, Government Medical College-Haldwani, District Nainital, PIN 263139, Uttarakhand, India 2 Assistant Professor, Department of Radiotherapy, Government Medical College-Haldwani, District Nainital, PIN 263139, Uttarakhand, India 3 Associate Professor, Department of Radiotherapy, Government Medical College-Haldwani,District Nainital, PIN 263139, Uttarak...

Fig. 1. Computed (CT) tomography showed migration of the pin into the descending aorta with the result of hemothorax. The pin was extracted via left thoracotomy by pulling out from the part of needle which was out of the aorta, immediately after CT evaluation. Fig. 2. Computed tomography showed migration of the pin outside the left main bronchus into mediastinum 1 cm distal to the carina. The p...

A common mode of limb suspension for transtibial amputees is the pin liner/shuttle lock system. Despite its popularity, some clinicians question its use because of observed daily and chronic changes to the residual limb. For this study, we measured limb interface pressures during ambulation with pin and suction suspension systems. No pressure differences were seen between the modes of suspensio...