CN202409741U

CN202409741U - Laryngeal mask

Info

Publication number: CN202409741U
Application number: CN2011205515330U
Authority: CN
Inventors: 殷骏; 王绍林; 刘小彬; 葛艺东; 林丙来
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-26
Filing date: 2011-12-26
Publication date: 2012-09-05
Anticipated expiration: 2021-12-26

Abstract

The utility model discloses a laryngeal mask. The laryngeal mask comprises a laryngeal mask body and a handle connected with the laryngeal mask body, wherein the laryngeal mask body is a shell with a cavity inside; a laryngeal entrance part is arranged at one end of the laryngeal mask body and a connection part is arranged at the other end of the laryngeal mask body; an air hole dead against a human glottis is arranged on the laryngeal entrance part and is communicated with the cavity; the handle has a hollow structure; one end of the handle is connected with the connection part and the other end thereof is provided with a tubular connector; the cavity is communicated with the inside of the handle and the tubular connector in sequence; the laryngeal mask also comprises an inner catheter arranged in the laryngeal mask body; a port is arranged at the end of the laryngeal entrance part; and one end of the inner catheter stretches to the port of the laryngeal entrance part of the laryngeal mask body and the other end thereof stretches into the handle and stretches outward from the handle wall in the middle of the handle. By virtue of adopting the structure, the laryngeal mask has the following advantages: 1. the laryngeal mask has a simple structure; 2. the laryngeal mask can prevent plenty of gastric contents from flowing back to the respiratory tracts of the patients; and 3. the laryngeal mask can implement ventilation safely and accurately.

Description

A kind of laryngeal mask

Technical field

This utility model relates to the laryngeal mask technical field, particularly a kind of laryngeal mask.

Background technology

At present, laryngeal mask is an aeration equipment on a kind of novel glottis, and it is widely used in clinical anesthesia, has obtained good effect.The laryngeal mask observation air bag that common laryngeal mask comprises the laryngeal mask air bag, is communicated with the air cavity of laryngeal mask air bag, the inner face of laryngeal mask cover body, cover body is provided with pore, and pore is communicated with airway.Yet there is following shortcoming in laryngeal mask: can not prevent 1, that gastric content from backflowing gets into patient's respiratory tract.But 2 occurrence positions move, and influence normal ventilation.3, can cause esophagus inflation and flatulence.4, part patient para-position difficulty; 5, complex structure.

In the curative activity; The medical worker also often uses endotracheal tube, and catheter air bag is housed on the endotracheal tube, and catheter air bag can be observed airbag aeration by it; The medical worker stretches into the end of endotracheal tube patient's trachea; And the operational observations air bag inflates to catheter air bag, makes in its respiratory tract that is fixed on the patient, then gets final product through conduit input oxygen.But but there is following shortcoming in the endotracheal tube of this structure: 1, before the intubate, needs of patients reaches certain depth of anesthesia.2, when intubate and tube drawing, stronger stress is arranged, can cause the circulation dynamics fluctuation that the patient is violent.3, endotracheal tube has the danger that is strayed into esophagus.4, patient's postoperative is prone to pharyngalgia and pulmonary infection.5, in difficult airway patient's intubate process, must rely on some expensive professional equipments, such as fibre bronchus mirror, video laryngoscope etc.

The utility model content

This utility model technical problem to be solved is, to the deficiency of prior art, provide a kind of simple in structure, can avoid a large amount of gastric contents instead to flow, safe laryngeal mask that ventilation is implemented on safety and precise ground.

For solving the problems of the technologies described above, the technical scheme of this utility model is: a kind of laryngeal mask comprises laryngeal mask body, the handle that is connected with the laryngeal mask body; Described laryngeal mask body is the inner housing that is provided with cavity, and described laryngeal mask body one end is for going into throat, and the other end is a connecting portion; Describedly go into throat and be provided with over against the pore of human body glottis, described pore is connected with said cavity, and described handle is a hollow structure; Handle one end is connected with described connecting portion; The other end is provided with tube-like interface, and described cavity is inner with handle successively, tube-like interface is connected, and described laryngeal mask also comprises the inner catheter that is arranged in the laryngeal mask body; The described end of going into throat is provided with port; Described inner catheter one end extends the port of going into throat of laryngeal mask body, and it is inner and protruding by the handle wall at handle middle part that the other end of inner catheter stretches into handle, forms the lacuna of ventilation between described handle and the inner catheter.

Described pore periphery is the skew wall that forms on the housing.

Describedly go into throat's shape and human body bottleneck throat shape adapts.

Described inner catheter is provided with interface by the end of the protruding end of handle wall at handle middle part.

This utility model adopts said structure, has the following advantages: 1, simple in structure; 2, can attract or the drain gastric content through inner catheter, can avoid a large amount of gastric contents to backflow and get into patient's respiratory tract; 3, laryngeal mask goes in the top front end of throat to retain a small amount of gastric content, prevents that mistake from sucking respiratory tract; 4, can implement ventilation in safety and precise ground.

Description of drawings

Below in conjunction with the accompanying drawing and the specific embodiment this utility model is done further detailed explanation;

Fig. 1 is the structural representation of this utility model;

In Fig. 1,1, the hands handle; 2, go into throat; 3, connecting portion; 4, pore; 5, tube-like interface; 6, inner catheter.

The specific embodiment

A kind of laryngeal mask as shown in Figure 1 comprises laryngeal mask body, the handle 1 that is connected with the laryngeal mask body, and the laryngeal mask body is the inner housing that is provided with cavity; Laryngeal mask body one end is for going into throat 2, and the other end is a connecting portion 3, goes into throat 2 and is provided with the pore 4 over against the human body glottis; Pore 4 is connected with cavity, and handle 1 is a hollow structure, and handle 1 one ends are connected with described connecting portion 3; The other end is provided with tube-like interface 5, for connecting the standard interface of anesthetic machine or respirator corrugated hose.Cavity is connected with handle 1 inside, tube-like interface 5 successively; Described laryngeal mask also comprises the inner catheter 6 that is arranged in the laryngeal mask body; The end of going into throat 2 is provided with port; Inner catheter 6 one ends extend the port of going into throat 2 of laryngeal mask body, and it is inner and protruding by the handle wall at handle 1 middle part that the other end of inner catheter 6 stretches into handle 1.Form the lacuna of ventilation between handle 1 and the inner catheter 6.Inner catheter 6 is provided with interface by the end of the protruding end of handle wall at handle 1 middle part.Inner catheter 6 opposes with handle 1 each other, and is not connected, forms the lacuna of ventilation between inner catheter 6 and the handle 1.Pore 4 peripheries are the skew wall that forms on the housing.

Go into throat's 2 shapes and human body bottleneck throat shape adapts.When using this laryngeal mask, will go into throat 2 and insert the human body bottleneck throat, when laryngeal mask can not be pushed ahead again; The port of going into throat 2 ends is over against the human body esophagus; Pore 4 is over against glottis, and tube-like interface 5 is connected source of oxygen, and oxygen is inner through handle successively, described cavity gets into the human respiratory tract from pore 4.Simultaneously, negative pressure catheter or drainage tube through inner catheter 6 and the port of going into throat 2 ends, are got into the human body esophagus; Can gastric content be attracted or drain come out, preventing that gastric content is counter flows, when overflow in the slit that a spot of gastric content sees through front end shell and the esophageal wall of laryngeal mask; Can flow to laryngeal mask by pore 4 goes in the top front end of throat 2; Skew wall structure by pore 4 edges is blocked, and can not flow into the human respiratory tract, has guaranteed safety.

Combine accompanying drawing that this utility model has been carried out exemplary description above; Obviously the concrete realization of this utility model does not receive the restriction of aforesaid way; As long as the various improvement of having adopted the technical scheme of this utility model to carry out; Or directly apply to other occasion without improvement, all within the protection domain of this utility model.

Claims

1. laryngeal mask is characterized in that: the handle (1) that comprise the laryngeal mask body, is connected with the laryngeal mask body, and described laryngeal mask body is the inner housing that is provided with cavity; Described laryngeal mask body one end is for going into throat (2), and the other end is connecting portion (3), describedly goes into throat (2) and is provided with the pore (4) over against the human body glottis; Described pore (4) is connected with said cavity; Described handle (1) is a hollow structure, and handle (1) one end is connected with described connecting portion (3), and the other end is provided with tube-like interface (5); Described cavity is inner with handle (1) successively, tube-like interface (5) is connected; Described laryngeal mask also comprises the inner catheter (6) that is arranged in the laryngeal mask body, and the described end of going into throat (2) is provided with port, and described inner catheter (6) one ends extend the port of going into throat (2) of laryngeal mask body; It is inner and protruding by the handle wall at handle (1) middle part that the other end of inner catheter (6) stretches into handle (1), forms the lacuna of ventilation between described handle (1) and the inner catheter (6).

2. a kind of laryngeal mask according to claim 1 is characterized in that: described pore (4) periphery is the skew wall that forms on the housing.

3. a kind of laryngeal mask according to claim 1 is characterized in that: describedly go into throat's (2) shape and human body bottleneck throat shape adapts.

4. a kind of laryngeal mask according to claim 1 is characterized in that: described inner catheter (6) is provided with interface by the end of the protruding end of handle wall at handle (1) middle part.