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Anti-reflux laryngeal mask

A laryngeal mask and reflux technology, which is applied in the field of medical appliances to prevent flatulence, improve safety, and reduce pain.

Inactive Publication Date: 2013-01-16
夏敏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the inability to prevent gastric content reflux and aspiration is a fatal shortcoming of all current laryngeal masks.

Method used

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Embodiment Construction

[0019] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0020] see figure 1 It is the first embodiment of the present invention, an anti-reflux laryngeal mask, comprising a ventilation cuff 1, a ventilation tube 2, a gastric tube channel 3 and a suction tube 4, the ventilation cuff 1 and the ventilation tube 2 Combined into one body, the gastric tube channel 3 extends from one side of the ventilation tube 2, and extends to the tip of the ventilation cuff 1, and connects to the gastric tube channel opening 5 provided at the tip of the ventilation cuff 1. The suction pipeline 4 is an annular pipeline arranged inside the ventilation cuff 1, and two suction pipeline openings 6 are arranged on the side of the stomach tube channel opening 5, and the suction pipeline 4 is connected with a section of hollow ...

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Abstract

An anti-reflux laryngeal mask is characterized by comprising a vent hood bag, a ventilating tube, a gastric tube channel and a suction pipeline. The vent hood bag is integrated with the ventilating tube, the gastric tube channel stretches into one side of the ventilating tube, extends to the top of the vent hood bag, and is connected with a gastric tube channel opening arranged on the top of the vent hood bag, the suction pipeline is arranged inside the vent hood bag, at least one suction pipeline opening is arranged beside the gastric tube channel opening, and the suction pipeline is connected with a hollow drainage tube and extends out of the top of the vent hood bag. By the anti-reflux laryngeal mask, possibility of reflux aspiration can be greatly reduced, and the service safety of the laryngeal mask is improved. Besides, during positive-pressure ventilation, the anti-reflux laryngeal mask can prevent gas from entering the stomach of a patient to cause gaseous distention, and physical suffering of the patient after a surgery is reduced.

Description

technical field [0001] The invention relates to a medical appliance, in particular to an anti-reflux laryngeal mask. Background technique [0002] The laryngeal mask was successfully developed in the mid-1980s and used clinically, and was introduced in China in the 1990s. At present, the use of laryngeal mask has made great progress, and it is widely used in patients with general anesthesia, patients in emergency department, ICU and various departments for first aid and resuscitation, patients with difficult airway, and the scope of application is getting wider and wider. [0003] The laryngeal mask has many advantages: (1) It is easy to use and can quickly establish an artificial airway; (2) The success rate of placement is high, the success rate of untrained medical staff is 87%, and the total success rate is 99.81%; (3) Ventilation Reliable; (4) Avoid throat and tracheal mucosal damage; (5) Small stimulation, small cardiovascular response; (6) Can be used for first aid. ...

Claims

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Application Information

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IPC IPC(8): A61M16/00
Inventor 夏敏
Owner 夏敏
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