The content of the invention
It is an object of the invention to a kind of new laryngeal mask, it is intended to gas tube installation difficulty in the prior art be solved, when using
The problem of causing to stimulate to user.
It is an object of the invention to provide a kind of laryngeal mask, including joint, the conduit being proximally distally sequentially connected
And inflatable cover, inflatable chamber is led in the joint inside provided with the first respiratory cavity, the first diversion cavity and first run through;In the conduit
Portion is provided with the second respiratory cavity, the second diversion cavity and the second inflatable chamber run through;The inflatable cover is double-decker, including through
3rd respiratory cavity, the 3rd diversion cavity and the air-filled pore connected with inflatable cover double-decker inside;First respiratory cavity, second exhale
Inhale chamber and the 3rd respiratory cavity is correspondingly arranged and forms the respiration channel of laryngeal mask;First diversion cavity, the second diversion cavity and the 3rd
Diversion cavity is correspondingly arranged and forms the flow-guiding channel of laryngeal mask;First inflatable chamber, the second inflatable chamber and air-filled pore are correspondingly arranged
And filling channel is formed, the filling channel is used for for inflatable cover inflation.
Further, the joint includes the operating portion positioned at near-end, and laryngeal mask is in use, the operating position is in user
Oral external, the operating portion includes the inflatable chamber connector connected with the first inflatable chamber near-end, and the inflatable chamber connector is used
In connection charger.
Further, also include on the operating portion respiratory cavity connector that is connected with the first respiratory cavity and with the first water conservancy diversion
The diversion cavity connector of chamber connection;The distance between the inflatable chamber connector and the respiratory cavity connector are more than described first
The distance between inflatable chamber and first respiratory cavity.
Further, it is additionally provided with operation handle on the operating portion.
Further, the joint and the conduit are fixed by way of post forming or bonding.
Further, the joint includes the first connecting portion positioned at distal end, and the conduit includes second positioned at near-end
Connecting portion;
The first connecting portion is hollow structure, the outside for being set in the second connecting portion;Or the second connecting portion
For hollow structure, the outside for being set in the first connecting portion.
Further, the inflatable cover includes knapsack and the air bag located at knapsack edge, and the air bag connects with the knapsack
Lead to and enclose groove.
Further, the outlet of the 3rd respiratory cavity is in the groove, and the outlet of the 3rd diversion cavity is located at
The inflatable cover distal tip.
Further, the section of the respiration channel is circle.
Further, the laryngeal mask also includes the gas tube and pilot balloon being connected on inflatable chamber connector.
The laryngeal mask that the present invention is provided, by the connection of joint, conduit and inflatable cover, makes respiration channel, flow-guiding channel and fills
Gas passage is located in same pipeline, so that laryngeal mask is simple in construction, it is easy to operate, will not be because pipeline is excessive and is using process
In the stimulation that causes.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In this specification, term " distal end " refers to one end away from operator in operation technique;" near-end " refers in hand
Close to one end of operator during art operation.
Referring to figs. 1 to 9, first embodiment of the invention provides a kind of laryngeal mask 100, including proximally distally successively
Joint 110, conduit 120 and the inflatable cover 130 of connection, the inside of joint 110 is provided with the first respiratory cavity 111, first run through
The inflatable chamber 113 of diversion cavity 112 and first;The inside of conduit 120 is provided with the second respiratory cavity 121, the second diversion cavity 122 run through
With the second inflatable chamber 123;The inflatable cover 130 is double-decker, including the 3rd respiratory cavity 131, the 3rd diversion cavity depending on
132 and with the double-decker of inflatable cover 120 inside connect depending on air-filled pore 133;First respiratory cavity 111, the second respiratory cavity 121
The respiration channel 141 of laryngeal mask is correspondingly arranged and formed with the 3rd respiratory cavity 131;First diversion cavity 112, the second diversion cavity
122 and the 3rd diversion cavity 132 be correspondingly arranged and form the flow-guiding channel 142 of laryngeal mask;First inflatable chamber 113, second is inflated
Chamber 123 and air-filled pore 133 are correspondingly arranged and form filling channel 143, and the filling channel 143 is used to be the inflatable cover 130
Inflation.
The present embodiment is located at respiration channel, flow-guiding channel and filling channel by the connection of joint, conduit and inflatable cover
In same pipeline, so that laryngeal mask is simple in construction, it is easy to operate;Compared with the technical scheme for being independently arranged filling channel, this
The filling channel of scheme reduces the stimulation caused during laryngeal mask use to user inside conduit and joint.
Further, as shown in Fig. 4, Figure 10, the joint 120 includes the operating portion positioned at near-end, and laryngeal mask is in use, connect
The operating position of head is in user's oral external, and the inflatable chamber that the operating portion includes connecting with the near-end of the first inflatable chamber 113 connects
Fitting 116, the inflatable chamber connector 116 is used to connect charger.This programme is inflated by being set in joining operations portion
Chamber connector, can extend to operating portion by filling channel, so as to be conducive to the connection and operation of charger.
Further, also include being connected 111 respiratory cavity connector 114 on the operating portion with the first respiratory cavity and with the
The diversion cavity connector 115 of one diversion cavity connection 112;Between the inflatable chamber connector 116 and the respiratory cavity connector 114
Distance be more than the distance between first inflatable chamber 113 and described first respiratory cavity 111.This programme is by setting respiratory cavity
Connector and diversion cavity connector, can extend to operating portion by respiration channel and flow-guiding channel, be conducive to laryngeal mask to use process
In patient is ventilated and the operation such as water conservancy diversion;In addition, during laryngeal mask use, the distal end of joint may need to be inserted into make
User's cavity interior, therefore in order to avoid joint cross-sectional area is excessive, the design of its internal channel structure should be as far as possible compact;But connecing
The operating side of head, to avoid inflating, ventilate, the operation such as water conservancy diversion is interfered, should between extension of each passage on operating portion
Keep certain distance.
Further, the respiratory cavity connector 114 in the near-end of the first respiratory cavity 111 along the axial vertically extending position of joint
Put;The diversion cavity connector 115 is in the near-end of the first diversion cavity 112 along the axial vertically extending position of joint.This be due to
Generally toughness fluid in insertion trachea cannula, flow-guiding channel is usually required during laryngeal mask use, in respiration channel to pass through, this
Scheme ensure that the unimpeded of respiration channel and flow-guiding channel.
It should be noted that the inflatable chamber connector 116 need to only be connected with the first inflatable chamber, it is in joint axial direction
On can between the first inflatable chamber 113 for dislocation be connected.
Further, as shown in Figure 1, 2, the laryngeal mask 100 also includes the gas tube 150 being connected on inflatable chamber connector
With pilot balloon 160.
Further, as shown in figure 3, the joint 110 is oval rod structure, the first respiratory cavity 111 is located in joint 110
The centre position in portion, the inflatable chamber 113 of the first diversion cavity 112 first is located at the both sides of the first respiratory cavity 111 respectively.This programme can have
Effect utilizes the space inside joint.
Further, as shown in Figure 10, it is additionally provided with operation handle 117 on the operating portion of the joint 110.Operation handle is just
In the hand-held laryngeal mask of operator.
Further, the operation handle 117 is provided with Non-slip material.The Non-slip material can be set directly at manipulator
Projection on handle 117.
For the position of operation handle 117, preferably, the operation handle 117 is arranged on the inflatable chamber connector 116
On the section where the junction of the first inflatable chamber 113.
Further, as shown in figure 11, inflatable cover 130 includes knapsack 134 and the air bag located at the remote edge of knapsack 134
135, the air bag 135 connects and enclosed to form groove 136 with the knapsack 134.The outlet 137 of 3rd respiratory cavity is located at groove
In 136, the outlet 138 of the 3rd diversion cavity is located at the end of inflatable cover distal end.
For the fixed form of joint and conduit, including but not limited to fixed by the way of post forming or bonding.
It is possible to further be directly by face where joint distal tip and face where catheter proximal end end by it is secondary into
Type or bonding way are fixed;Can also by joint and conduit after being connected by the way of being arranged, then pass through post forming or viscous
Knot mode is fixed.
For joint and the fixing mode of conduit, further, the joint includes the first connecting portion positioned at distal end, institute
Stating conduit includes the second connecting portion positioned at near-end;The first connecting portion is hollow structure, for being set in second connecting portion
Outside;Or the second connecting portion is hollow structure, the outside for being set in the first connecting portion.
In one embodiment, as shown in Fig. 5, Figure 10, the joint 110 includes the first connecting portion positioned at distal end
118, the conduit 120 includes the second connecting portion 124 positioned at near-end;Wherein second connecting portion 124 is hollow structure, and its is hollow
The specification of structure is identical with the outside specification of first connecting portion 118;During installation, as shown in Figure 12 and Figure 13, by the first of joint 110
In the hollow structure of the insertion second connecting portion 124 of conduit 120 of connecting portion 118, the first respiratory cavity 111 and conduit in joint 110
The second respiratory cavity 121 in 120 is docked;First diversion cavity 112 and the second diversion cavity 122 are docked;First inflatable chamber 113 and second
Inflatable chamber 123 is docked;The interface connected in first connecting portion 118 and second connecting portion 124 coats glue, completes joint 110
Connection between conduit 120.
Further, at least one in first respiratory cavity, the first diversion cavity, the first inflatable chamber has remote towards joint
Hold the pipeline of protrusion, in the connection procedure of joint and conduit, the pipeline of the protrusion be used to being plugged in corresponding second respiratory cavity,
In second diversion cavity or the second inflatable chamber.This programme make it that the connection between joint and conduit is closer.
In one embodiment, as shown in figure 4, the inflatable chamber 113 of first diversion cavity 112 and first has towards joint
The pipeline of distal end protrusion.This programme causes flow-guiding channel and filling channel to have preferable sealing, so as to avoid gas
Leaked between tubes with fluid.
For the fixed form between conduit and inflatable cover, consolidate including but not limited to by the way of post forming or bonding
It is fixed.
It is possible to further be directly face where distal end of catheter end and inflatable cover proximal end place face are passed through it is secondary
Shaping or bonding way are fixed;Can also by conduit and inflatable cover after being connected by the way of being arranged, then pass through post forming
Or bonding mode is fixed.
In one embodiment, as shown in Figure 5, Figure 6, the distal tip of the conduit 120 and the near-end of inflatable cover 130 end
Face shape is identical where end, and the second diversion cavity 122 and the second inflatable chamber 123 have the pipeline distally protruded towards conduit 120.Install
When, face and the proximal end of inflatable cover 130 coat glue on the whole where the distal tip of conduit 120, and the pipeline of protrusion is inserted
Enter in corresponding 3rd diversion cavity 132 and air-filled pore 133, then conduit 120 and inflatable cover 130 align compression, complete conduit
Being connected between 120 and inflatable cover 130.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.