| 摘要 |
An inexpensive, time-efficient, and effective protective barrier device which provides protection against the transfer of contaminants such as infectious agents from one dental patient to another dental patient is provided. In particular, a barrier device (10) is provided for attachment to a dental instrument (16). Dental instruments which can be directly protected include saliva ejector instruments and air/water supply instruments. Because the hands of the dental care provider or other user are protected from exposure to contaminating infectious agents, all dental instruments and accessories are indirectly protected. The barrier device includes a disposable sheath (14) which can be positioned to shroud the instrument (16) without encumbering its functionality. The device further includes a disposable probe (11) which is integrally formed with the sheath and which is attached to the instrument along with the sheath.
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