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1.
Comput Aided Surg ; 11(2): 63-8, 2006 Mar.
Article in English | MEDLINE | ID: mdl-16782640

ABSTRACT

New surgical techniques require fine control from the surgeon's point of view. Until recently, the necessary experience was only obtainable through traditional training protocols (using cadavers, animals, etc.). However, numerous training simulators have now been developed for use in this area. We present a new approach based on a three-dimensional finite element software and on different kinds of linear and nonlinear elastic constitutive equations that is able to predict realistic results. To classify these equations in terms of accuracy, we performed ex-vivo experimental measurements on lamb kidneys. The software has been applied to soft tissue deformation, namely lamb kidney and human uterus, and the numerical results have been compared to experimental ones.


Subject(s)
Computer Simulation , Finite Element Analysis , Kidney/surgery , Surgical Procedures, Operative/methods , Uterus/surgery , Animals , Elasticity , Female , Humans , In Vitro Techniques , Kidney/physiology , Sheep , Uterus/physiology
2.
Rev. colomb. cir ; 7(3): 141-144, dic. 1992. ilus
Article in Spanish | LILACS | ID: lil-328660

ABSTRACT

La trombosis venosa profunda del miembro superior (enfermedad de Paget-Schroetter), ha aumentado su frecuencia debido al uso de cateteres centrales empleados para medicion de presiones venosas y pulmonares, metodos de diagnostico especializado, administración prolongada de líquidos y como medio de tratamiento de algunas enfermedades vasculares. En nuestra institucion hemos estudiado y tratado 12 casos en los ultimos 5 años, algunos de ellos asociados a trombosis venosa en los miembros inferiores, trombosis superficial de las venas del seno (Enfermedad de Mondor) y, en 1 caso, a tromboflebitis de los miembros inferiores en otras personas de la misma familia. El tratamiento es esencialmente de tipo medico e incluye anticoagulacion inicial con heparina, seguida de warfarina a largo plazo. Queda abierta la posibilidad terapeutica con estreptoquinasa.


Subject(s)
Venous Thrombosis
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