| 摘要 |
<p>The suction head may remove liquids from the skin of animals for biological testing. The head has a filter upstream of a main sampling chamber which connects to an aspiration chamber, the two chambers being connected by a sample collection chamber. The latter extends from the rear of the head and is easily removable, preferably being attached to the head by a threaded collar engaging the threaded end of the collection chamber.</p> |
