| 摘要 |
<p>Disclosed is an intravital observation device that has a simple structure and can observe foreign substances and blood vessels inside a body, both arteries and veins, without needing a blood-vessel contrast medium, using X-rays, or harming the body. Said intravital observation device is provided with: a light source that illuminates the body with light having a wavelength peak in the region between 800 and 1000 nm; and an imaging device that outputs image data obtained by receiving light that has passed through the body. Said imaging device is a digital camera. When receiving between 0.4 and 10 µW of light, said digital camera has a minimum detection light level per unit output of at most 0.055 µW/bit.</p> |
