Quotables
"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7143763 | Device for washing nasal cavities and collecting catarrhal matter The invention relates to a device for washing the nasal cavities with a nebulized treatment liquid. It comprises a base body, a atomizer chamber containing a washing liquid, means for nebulizing the liquid in said chamber and dispensing the atomized liquid to the na... | 12/05/2006 |
| 4893912 | Device for observing a hot reaction space in the interior of a reactor operating at increased pressure A tubular housing is provided at one end thereof with a protective glass prism facing an observation opening in a pressurized reactor. The other end of the housing is closed and the intermediate part thereof supports an inclined mirror. A viewing tubular ... | 01/16/1990 |
| 4605038 | Float valve control A liquid level control device for monitoring the level of water in a steam generating tank between predetermined upper, intermediate, and lower levels, with the tank equipped with a valve for introducing water into the tank and heat energy valve means to ... | 08/12/1986 |
