Method and apparatus for evacuating nitrous oxide
AssigneeUniversity of Medicine & Dentistry of NJ
InventorMaano Milles
Life of this patent
Estimating the term…
Abstract
An anesthetic gas scavenging system is provided. The system includes a housing having one or more apertures placed proximate to a patient's mouth and a vacuum source interconnected with the housing for excavating anesthesia exhaled by the patient. The housing can take the form of a circular tube and can be positioned to rest about a patient's neck. The housing can have closed ends attachable together about a patient's neck. Alternatively, the housing can take on other desired shapes, and can be suspended on a strap about a patient's neck to rest on the patient's chest.
Claims21
An anesthesia scavenging apparatus comprising:
- a housing having a plurality of vents and an outlet;
- a vacuum source connected to the outlet;
- and
- means for positioning the housing proximate to a patient's mouth.
The apparatus of claim S wherein the tube is rigid.
An anesthesia scavenging system, comprising;
- a collar with at least one vent, the collar sized to be positioned about a patient's neck;
- and
- a vacuum source in fluid communication with the collar.
A method of removing anesthetic gas exhaled by a patient being nasally administered an anesthetic gas comprising:
- placing a perforated housing in proximity to the mouth of a patient;
- connecting the perforated housing to a vacuum source;
- and
- applying a vacuum to the housing to remove exhaled anesthetic gas from proximity to the mouth of the patient.
Dependencies are inferred from the claim text.