Butterfly needles have a very small, thin needle that's stabilized by two flat panels. Butterfly needles are helpful when people have fragile veins, like in children or older people. They can be used ...

Abstract: A new approach to steerable needle design is proposed for use in minimally invasive surgery. The technology is based on sets of curved concentric tubes. By rotating and extending the tubes ...

Objectives Palliative care patients struggle to cope with many symptoms. Malnutrition and dehydration may develop either as a consequence of the disease itself or as a result of its treatment.

Abstract: A methodology for estimating the force distribution that occurs along a needle shaft during insertion is described. An experimental system for measuring planar tissue phantom deformation ...