Zero-dead-space classical type laryngeal mask breathing system

• Main Authors: ZHANG DONGHUI, YANG MING, CAO CHANGZAI, ZHANG YUANYUAN, WANG MING
• Format: Patent
• Language: Chinese; English
• Published: 23.03.2018
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

The invention relates to a zero-dead-space classical type laryngeal mask breathing system, which is characterized by comprising a laryngeal mask component, an L-shaped connector, an Y-shaped connectorand an anaesthesia machine connecting tube, wherein the laryngeal mask component comprises a mask body, a laryngeal mask breather pipe which is connected to the mask body, an inflating duct which communicates with the mask body and an inflation valve; the laryngeal mask component communicates with the L-shaped connector by virtue of a laryngeal mask breather pipe connector; the L-shaped connectoris connected to the Y-shaped connector; the Y-shaped connector is connected to the anaesthesia machine connecting tube; the cross section of the laryngeal mask breather pipe is represented as an ellipse; at least two cavities are kept in the laryngeal mask breather pipe; the L-shaped connector is of a dual-cavity or three-cavity structure; and the Y-shaped connector is of a detachable structure which is provided with at l