Laryngeal mask airway device

A kind of airway and laryngeal mask technology, applied in the field of laryngeal mask airway device

Inactive Publication Date: 2008-06-04
THE LARYNGEAL MASK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, it can be seen that the present invention solves the performance and manufacturing problems of the device arising from the need to incorporate an esophageal excretory tube.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] Referring now to the drawings, there is shown a laryngeal mask airway device 1 for insertion into a patient to provide a ventilation channel for the patient's glottic opening, device 1 comprising an airway tube 2 and a mask 3 connected to the airway tube 2; mask 3 Comprising a body 4 having a distal end 5 and a proximal end 6, a peripheral inflatable cuff 7, and defining a gas outlet 8; a mask 3 connected to the airway tube 2 for gas communication between the airway tube 2 and the outlet 8 , the device 1 further comprises an esophageal discharge tube 10, when the device 1 is in the working position, the discharge tube 10 comprises a passage extending from an inlet 12 at the distal end 5 to an outlet 13 provided on the outside of the patient, the passage comprising a cover portion 11 and The airway part 41 , where the mask part 11 of the channel is integrally formed in the material of the main body 4 .

[0044] As can be seen from the Figures, the device 1 is somewhat si...

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PUM

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Abstract

The invention relates to a laryngeal mask airway device (1) for insertion into patient to provide an airway passage to the patient's glottic opening, the device (1) comprising an airway tube (2), a mask (3) attached to the airway tube (2), the mask (3) comprising a body (4) having a distal end (5) and a proximal end (6) a peripheral inflatable cuff (7), and an outlet (8), the mask (3) being attached to the airway tube (2) for gaseous communication between the tube (2) and the outlet (8), the device (1) further compromising means to prevent occlusion of the outlet (8) by the patient's anatomy, the means comprising a support (11), and a conduit (28a) to allow gas to flow out of the outlet (8), past the support

Description

technical field [0001] The invention relates to a laryngeal mask airway device. Background technique [0002] A laryngeal mask airway device is a known device for establishing an airway in an unconscious patient. US Patent No. 4,509,514 is one of several publications illustrating a laryngeal mask airway device. Such devices have been used for many years and replace the previous, once known endotracheal tube. Endotracheal tubes comprising an elongated tube with an inflatable balloon disposed at the distal end of the tube have been used for at least nearly 70 years to establish an airway in unconscious patients. In operation, the distal end of the endotracheal tube is inserted through the patient's mouth, through the patient's trachea. Once so positioned, the balloon is inflated to form a seal with the inner lining of the trachea. After the seal is established, positive pressure can be applied to the proximal end of the catheter, thereby ventilating the patient's lungs. A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M16/04
CPCA61M16/0415A61M16/0463A61M16/0816A61M16/0409A61M16/0447A61M2016/0409A61M2016/0415A61M16/0875A61M16/04A61M16/0443A61M16/0493A61M16/045
Inventor 阿奇博尔德·伊恩·杰里米·布雷恩
Owner THE LARYNGEAL MASK
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