| abstract |
Devices, systems and methods for providing inhalation are described herein. In some embodiments, inhalation occurs passively. Disclosed herein is a surgical inhalation device including an air amplifier. In some embodiments, the air amplifier includes a structure defining a generally cylindrical cavity having a first opening at a first end and a second opening at a second end. In some embodiments, the cylindrical cavity is formed by the inner wall of the cavity. In some embodiments, the air amplifier includes an annular opening in the inner wall near the first end. In some embodiments, the annular opening forms an injection opening configured to allow pressurized gas to flow out of the annular opening so that a low pressure region is created at the first end and an amplified flow is generated at the second end. The annular opening is also configured to allow the pressurized gas to enter the cavity at an angle with respect to the inner wall of the cavity facing the second end. |