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The use of cotton swabs in the ear canal is one of the most common causes of perforated eardrum, a condition which sometimes requires surgery to correct. [18] A 2004 study found that the "use of a cotton-tip applicator to clean the ear seems to be the leading cause of otitis externa in children and should be avoided."
Leo Gerstenzang (June 3, 1892 – January 31, 1961) was a Polish-American inventor who, in 1923, created the first contemporary cotton swab or Q-Tips. [citation needed] His product, which he named "Baby Gays," went on to become one of the most widely sold brand names. There are many anecdotes about how Gerstenzang came to create this invention ...
If the results for the Schirmer's test are abnormal, a Schirmer II test can be performed to measure reflex secretion. In this test, the nasal mucosa is irritated with a cotton-tipped applicator, after which tear production is measured with a Whatman #41 filter paper. For this test, wetting under 15 mm after five minutes is considered abnormal. [14]
The liquid nitrogen may be applied to lesions using a variety of methods, such as dipping a cotton or synthetic material tipped applicator in liquid nitrogen and then directly applying the cryogen onto the lesion. [3] The liquid nitrogen can also be sprayed onto the lesion using a spray canister.
Researchers developed a new jet injection design by combining the drug reservoir, plunger and nozzle into a single-use disposable cartridge. The cartridge is placed onto the tip of the jet injector and, when activated, a rod pushes the plunger forward. This device is known as a disposable-cartridge jet injector (DCJI). [2]
In the 1900s, inventions of aseptic surgeries (maintenance of sterile conditions through good hygiene procedures) on the basis of existing antiseptic surgeries (sterilization of tools before, during, and after surgery) led to the manifestations of sale and use of instrument sterilizers, sterile gauze, and cotton.
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