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Insertion Force Analysis of the Epidural Anesthesia Needle against the Porcine Ligamentum Flavum
needle insertion resepidural anesthesia istance porcine spine deformation of the ligamentum flavum
2009/6/1
The purpose of this study was to evaluate the needles used for epidural anesthesia. Medical doctors feel resistant force when inserting needles into the epidural space, and resistance diminishes after...
Characterization of mechanical behavior of a porcine pulmonary artery strip using a randomized uniaxial stretch and stretch-rate protocol
mechanical behavior a porcine pulmonary artery strip a randomized uniaxial stretch stretch-rate protocol
2010/2/25
A uniaxial testing protocol with a random stretch and random stretch-rate was developed. The average stress at a particular stretch was chosen as the hyperelastic stress response, and deviation from t...
Mechanical properties of the porcine bile duct wall
mechanical properties the porcine bile duct wall
2010/3/1
The common bile duct length increased by 25% from 24.4 ± 1.8 mm at zero pressure to 30.5 ± 2.0 mm at 5 kPa (p < 0.01). The diameter increased less than 10% in the same pressure range from 8.6 ± 0.4 mm...