CN209004936U - Inflate tube assembly and laryngeal mask - Google Patents

Abstract

The utility model relates to the technical fields of medical instrument, more particularly, to inflation tube assembly and laryngeal mask.The inflation tube assembly includes: gas tube and bite-block；Gas tube at least part is embedded in the inside of bite-block；For preventing tooth from contacting with gas tube.When the inflation tube assembly solves the insertion of existing laryngeal mask, gas tube may snap into the technical issues of patient's teeth space is interior, even gas tube is bitten broken, causes security risk.

Description

Inflate tube assembly and laryngeal mask

Technical field

The utility model relates to the technical fields of medical instrument, more particularly, to inflation tube assembly and laryngeal mask.

Background technique

In clinical respiratory management domain, artificial airway is constructed frequently with artificial airways' class product such as laryngeal mask, trachea cannula, It can ensure respiratory passage unblocked, achieve the purpose that the demand of body oxygen and the excretion of carbon dioxide, be modern anaesthesia and modern times The indispensable basic fundamental of emergency medicine, be ventilation support with the key technology of respiratory therapy, critical problematic patient with Key effect is played in CPR rescue and treatment.

Clinically common laryngeal mask can be divided into single-chamber laryngeal mask and two-chamber larynx cover.Wherein, single-chamber laryngeal mask is mainly by cuff, ventilation The composition such as pipe, channel connector, gas tube, pilot balloon, check valve.When clinical application, after being placed in laryngeal mask and positioning, inflation is utilized Device injects air into the blister cavities of cuff through check valve, expands after sleeve bag gas-filling, cuff seal epiglottis and glottis after expansion, The seal closure of a low pressure is formed around larynx, and the snorkel of laryngeal mask is then passed through into channel connector and breathing apparatus phase Even, so that patient be helped to realize autonomous respiration or mechanical-assisted positive airway pressure.Two-chamber larynx cover mainly increases compared with single-chamber laryngeal mask Drainage tube is added, has been mainly used for patient in laryngeal mask use process and occurs attracting the gastric juice to backflow when stomach backflows, prevent gastric juice from entering Lung.

In use, gas tube is thinner for existing laryngeal mask, and therefore, gas tube is easy to snap into patient's teeth space, very The risk that gas tube may be bitten broken to patient causes damages to the life security of patient.

Utility model content

The purpose of this utility model is to provide a kind of inflation tube assemblies, and when solving the insertion of existing laryngeal mask, gas tube can It can snap into the technical issues of patient's teeth space is interior, even gas tube is bitten broken, causes security risk.

Inflation tube assembly provided by the utility model, comprising: gas tube and bite-block；

Described gas tube at least part is embedded in the inside of the bite-block；For preventing tooth from connecing with the gas tube Touching.

Further, the bite-block setting is fluted, and described gas tube at least part is embedded in the groove.

Further, the depth of the groove is greater than the diameter of the gas tube.

Further, inflation tube assembly further includes pilot balloon and check valve；

The gas tube is successively connected with pilot balloon and check valve.

Compared with prior art, inflation tube assembly provided by the utility model has the advantages that

Inflation tube assembly provided by the utility model, in laryngeal mask in use, enabling bite-block and teeth contact, due to inflation Pipe is embedded into the inside of bite-block, and gas tube is made to be not easy to snap into teeth space, and reduces contact of the tooth with gas tube, thus real Show the protection to gas tube, made gas tube be not easy to be bitten broken, improve safety, extend the service life of gas tube, So that laryngeal mask is more met the requirement of clinical manipulation, reduces unexpected odds.

The purpose of this utility model is to provide a kind of laryngeal masks, and when solving the insertion of existing laryngeal mask, gas tube may block In to patient's teeth space, the technical issues of even gas tube is bitten broken, causes security risk.

Laryngeal mask provided by the utility model includes: cuff and the inflation tube assembly；

The gas tube of the inflation tube assembly is connected with the blister cavities of the cuff, for inflating to blister cavities.

Further, the lower end of the cuff is provided with the first interface for communicating with the blister cavities of the cuff, described First interface is elbow structure, and the first interface is connected with the gas tube.

Further, the laryngeal mask further includes snorkel, and one end of the snorkel is connected to the cavity of the cuff, The other end of the snorkel is connect with breathing apparatus, for conveying gas to the cavity for stating cuff.

Further, the bite-block of the inflation tube assembly is connected to along its length on the side wall of the snorkel.

Further, the laryngeal mask further includes drainage tube, and the drainage tube is connected to the cavity of the cuff, and described One interface is embedded between the contact of the snorkel and cuff and the drainage tube and the contact of cuff.

Further, the bite-block of the inflation tube assembly be connected to along its length the snorkel and drainage tube it Between, so that the gas tube is embedded between the snorkel and drainage tube.

Compared with prior art, laryngeal mask provided by the utility model has the advantages that

Laryngeal mask provided by the utility model, in therapeutic treatment, the cavity of cuff is connected to respiratory tract, by gas tube with The blister cavities of cuff is connected, and realizes the purpose that gas tube is inflated to the blister cavities of cuff, to make blister cavities gassy and and cavum laryngis Fitting is realized and is sealed at respiratory tract, prevents the gas in respiratory from leaking from the gap of cuff and cavum laryngis.Wherein, it inflates The structure and beneficial effect of tube assembly are above-mentioned to be described in detail, and is not discussed here.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram for the laryngeal mask that the utility model embodiment two provides；

Fig. 2 is the partial enlarged view at the laryngeal mask A that Fig. 1 is provided；

Fig. 3 is the top view for the laryngeal mask that the utility model embodiment two provides；

Fig. 4 is the top view for another laryngeal mask that the utility model embodiment two provides.

Icon: 100- gas tube；200- cuff；300- snorkel；400- drainage tube；110- bite-block；111- is recessed Slot；120- check valve；130- pilot balloon；140- supplemental inflatable pipe；141- connecting tube；142- sealing-plug；210- One interface；220- second interface；230- third interface；240- cavity；310- channel connector.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "lower" "inner", "outside" Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are used for description purposes only, It is not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in utility model.

Embodiment one

As shown in Figure 1, inflation tube assembly provided in this embodiment, comprising: gas tube 100 and bite-block 110；Gas tube 100 At least part is embedded in the inside of bite-block 110；For preventing tooth from contacting with gas tube 100.In laryngeal mask in use, making bite-block 110 can make gas tube 100 be not easy to snap into teeth space with teeth contact since gas tube 100 is embedded into the inside of bite-block 110 In, and reduce the contact of tooth with gas tube 100, to realize the protection to gas tube 100, do not allow gas tube 100 It is easily bitten broken, improves safety.

There are many bite-blocks 110 and 100 connection type of gas tube, for example, bite-block 110 wraps up gas tube 100 or bite-block 110 It is arranged fluted 111, gas tube 100 is arranged in groove 111.In the present embodiment, bite-block 110 is arranged fluted 111, inflation 100 at least part of pipe is embedded in groove 111.It is embedded in groove 111 by bite-block 110, realizes bite-block 110 and gas tube 100 connection enables bite-block 110 to protect gas tube 100, reduces the case where biting gas tube 100 broken of tooth.

In order to reduce the contact of tooth with gas tube 100, in the present embodiment, the depth of groove 111 is greater than the inflation The diameter of pipe 100.In order to even closer, the shape and the shape phase of gas tube 100 of groove 111 for connecting groove 111 Together.

On that basi of the above embodiments, further, inflation tube assembly further includes pilot balloon 130 and check valve 120, is filled Tracheae 100 is successively connected with pilot balloon 130 and check valve 120.One end and the blister cavities phase of cuff 200 by gas tube 100 It is logical, the other end be successively connected with pilot balloon 130 and check valve 120, realize the purpose to the inflation of cuff 200, wherein unidirectionally The interface of valve 120 is connect with air charging system, is provided gas to cuff 200 by air charging system, is expanded cuff 200, and work as When air charging system is inserted into check valve 120, makes the unidirectional inflow gas of check valve 120, facilitate the inflation of gas, is indicated by setting Air bag 130, the more intuitive volume of rest gas judged in blister cavities.

To sum up, inflation tube assembly provided in this embodiment, in laryngeal mask in use, enabling bite-block 110 and teeth contact, by In in the groove 111 that gas tube 100 is embedded into bite-block 110, gas tube 100 is set to be not easy to snap into teeth space, and reduce tooth Make gas tube 100 be not easy to be bitten broken to realize the protection to gas tube 100 with the contact of gas tube 100, improve Safety extends the service life of gas tube 100, and laryngeal mask is made more to meet the requirement of clinical manipulation, what reduction surprisingly occurred Probability.

In addition, in the present embodiment, gas tube 100 is sequentially connected pilot balloon 130 and check valve 120, pass through check valve 120, making the gas for flowing into blister cavities is one direction, facilitates the inflation of gas, can be more by the way that pilot balloon 130 is arranged Intuitively judge the volume of rest gas in blister cavities.

Embodiment two

As shown in Figure 1-Figure 3, laryngeal mask provided in this embodiment includes: the gas tube group that cuff 200 and embodiment one provide Part；The gas tube 100 of inflation tube assembly is connected with the blister cavities of cuff 200, for inflating to blister cavities.In therapeutic treatment, set The cavity 240 of capsule 200 is connected to respiratory tract, is connected by gas tube 100 with the blister cavities of cuff 200, realize gas tube 100 to The purpose of the blister cavities inflation of cuff 200 is realized and is sealed at respiratory tract to make blister cavities gassy and be bonded with cavum laryngis.

On that basi of the above embodiments, further, as depicted in figs. 1 and 2, the lower end of cuff 200 be provided with for The first interface 210 that the blister cavities of cuff 200 communicates, first interface 210 are elbow structure, first interface 210 and 100 phase of gas tube Even.By making first interface 210 that the lower end of cuff 200 be arranged in, when reducing or even avoiding taking out after laryngeal mask use, first Interface 210 is easy the case where being blocked by the root of the tongue, by making 210 elbow structure of first interface, makes the extending direction of gas tube 100 It is suitble to medical treatment to use.Wherein, what needs to be explained here is that, the opening of the cavity 240 of cuff 200 refers to the upper of cuff 200 End, the lower end for referring to cuff 200 on one side of the opening of the cavity 240 far from cuff 200.

Wherein, what needs to be explained here is that laryngeal mask includes single-chamber laryngeal mask or two-chamber larynx cover.

When laryngeal mask is single-chamber laryngeal mask, laryngeal mask further includes snorkel 300, one end of snorkel 300 and the cavity of cuff 200 240 connections, the other end of snorkel 300 are connect with breathing apparatus, for conveying gas to the cavity 240 of cuff 200.Specifically , the contact of snorkel 300 and cuff 200 is second interface 220, and second interface 220 is connected to the cavity 240 of cuff 200, is led to Cross 300 one end of snorkel to be connected to second interface 220, be connected to by channel connector 310 with breathing apparatus, realize breathing apparatus to The purpose of the respiratory tract conveying gas of patient.What needs to be explained here is that the gas of breathing apparatus conveying is oxygen, anesthetic gases The useful gas of patient is treated etc. some pairs.

It is intertwined to reduce gas tube 100 with snorkel 300, makes gas tube 100 and 300 use of snorkel not side Just, on that basi of the above embodiments, further, the bite-block 110 for inflating tube assembly is connected to snorkel 300 along its length Side wall on.It is, gas tube 100 makes the two become one structure with snorkel 300 by bite-block 110, reduce so very To avoiding gas tube 100 from being intertwined with snorkel 300, facilitating laryngeal mask can quickly be used.Wherein, bite-block 110 Can connect in the upper end of snorkel 300, lower end or side, in order to improve fitness, preferably, bite-block 110 be connected to it is logical The side of tracheae 300.

When laryngeal mask is two-chamber larynx cover, as shown in Figure 1-Figure 3, laryngeal mask further includes snorkel 300 and drainage tube 400, ventilation Pipe 300 and drainage tube 400 are connected to the cavity 240 of cuff 200, and first interface 210 is embedded in snorkel 300 and cuff 200 Contact and drainage tube 400 and the contact of cuff 200 between.Specifically, snorkel 300 and the contact of cuff 200 connect for second Mouthfuls 220, the contact of drainage tube 400 and cuff 200 is third interface 230, and second interface 220 and third interface 230 are and cuff 200 cavity 240 communicates, and first interface 210 is embedded between second interface 220 and third interface 230, reduces and even avoids Laryngeal mask is using taking out later when, first interface 210 is easy the case where being blocked by the root of the tongue.Wherein, drainage tube 400 it is possible to prevente effectively from Air draught danger is missed caused by backflowing because of stomach, use is more safe and reliable.

It is identical as the principle of single-chamber laryngeal mask, it is mutually wound to reduce three, inflates the bite-block 110 of tube assembly along its length Direction is connected between snorkel 300 and drainage tube 400 so that gas tube 100 be embedded in snorkel 300 and drainage tube 400 it Between.It is arranged between snorkel 300 and drainage tube 400 by bite-block 110, gas tube 100 is made to be embedded in snorkel 300 and drainage Between pipe 400, it is integrally formed gas tube 100, snorkel 300 and 400 three of drainage tube, it is in use to reduce laryngeal mask, and three Person's being taken up space in mouth improves patient's comforts of use；Meanwhile gas tube 100, snorkel 300 and drainage tube 400 3 Person is integrally formed, and also avoids the mutual winding of three, and facilitating laryngeal mask can quickly be used.

Specifically, the upper end setting of bite-block 110 is fluted as shown in Figure 1, it is up-side down triangle that bite-block 110, which is cross section, 111, gas tube 100 is embedded in groove 111, and the one side wall of bite-block 110 is connect with the side wall of snorkel 300, bite-block 110 it is another One side wall is connect with the side wall of drainage tube 400.Cross section is that the bite-block 110 of up-side down triangle can reduce shared space, more suitable People is closed to use.Certainly, bite-block 110 can also be other shapes, for example, it is inverted trapezoidal that bite-block 110, which is cross section, as long as can fill Tracheae 100 is embedded between drainage tube 400 and snorkel 300.

Before laryngeal mask use process, need that laryngeal mask is made to be inserted into throat from oral cavity from patient, in order to facilitate medical staff The depth for understanding laryngeal mask insertion, is provided with graduation mark on the side wall of snorkel 300 along its length, is seen by medical staff The deep distance for examining graduation mark judges that cuff 200 enters the depth of throat, so as to make cuff 200 be inserted into the position of throat It is accurate to set, and makes to be treated more safe and reliable.

In addition, judging the sealing of the blister cavities of cuff 200 in order to the pressure in the blister cavities of accurate, reliable cuff 200 Property, detect whether gas leakage, using more safe, therefore, in the present embodiment, laryngeal mask further includes gasbag pressure detection dress It sets, the pressure in blister cavities for detecting cuff 200, in the blister cavities that cuff 200 can be judged by gasbag pressure detection device Pressure, determine 200 leakproofness of cuff and its whether into cuff 200 input gas, thus preferably to the blister cavities of cuff 200 Inflation/deflation is controlled.

Specifically, as shown in figure 4, laryngeal mask further includes supplemental inflatable pipe 140, one end of supplemental inflatable pipe 140 and gas tube 100 middle position communicates, the other end and the connector phase of gasbag pressure detection device (not having picture in figure) of supplemental inflatable pipe 140 Even.Realize that gasbag pressure detection device is connect with the blister cavities of cuff 200 by gas tube 100 and supplemental inflatable pipe 140, thus real Now detect the purpose of the blister cavities of cuff 200.

In addition, on that basi of the above embodiments, further, laryngeal mask further includes connecting tube 141, one end of connecting tube 141 It is connect with supplemental inflatable pipe 140, the other end of connecting tube 141 and the connector removable seal of gasbag pressure detection device connect It connects, and is provided with sealing-plug 142 at the other end of connecting tube 141.Since connecting tube 141 and gasbag pressure detection device are removable Sealed connection is unloaded, allows laryngeal mask that gasbag pressure detection device to be installed, gasbag pressure detection device can not also be installed, uneasiness is worked as Gasbag pressure detection device is filled, laryngeal mask can not will be influenced by the other end of 142 sealed joint pipe 141 of sealing-plug in this way It uses.

To sum up, laryngeal mask provided in this embodiment, in therapeutic treatment, the cavity 240 of cuff 200 is connected to respiratory tract, is led to It overcharges tracheae 100 to be connected with the blister cavities of cuff 200, realizes the purpose that gas tube 100 is inflated to the blister cavities of cuff 200, thus Make blister cavities gassy and be bonded with cavum laryngis, realizes and sealed at respiratory tract, prevent in respiratory gas from cuff 200 and larynx It is leaked in the gap of chamber.Wherein, it inflates the structure of tube assembly and beneficial effect is above-mentioned has been described in detail, here no longer It is repeated.

In addition, in the present embodiment, being connected to cuff 200 by the first interface 210 for connecting inflation line with cuff 200 Lower end, and first interface 210 be elbow structure, when can reduce or even avoid to take out after laryngeal mask use, first interface 210 are easy the case where being blocked by the root of the tongue, by making 210 elbow structure of first interface, inflation line extending direction are enable to be suitble to Medical treatment uses.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of inflation tube assembly characterized by comprising gas tube and bite-block；Described gas tube at least part is embedded in The inside of the bite-block, for preventing tooth from contacting with the gas tube.

2. inflation tube assembly according to claim 1, which is characterized in that fluted, the gas tube is arranged in the bite-block At least part is embedded in the groove.

3. inflation tube assembly according to claim 2, which is characterized in that the depth of the groove is greater than the gas tube Diameter.

4. inflation tube assembly according to claim 1, which is characterized in that further include pilot balloon and check valve；

The gas tube is successively connected with pilot balloon, check valve.

5. a kind of laryngeal mask characterized by comprising cuff and inflation tube assembly according to any one of claims 1-4；

The gas tube of the inflation tube assembly is connected with the blister cavities of the cuff, for inflating to blister cavities.

6. laryngeal mask according to claim 5, which is characterized in that the lower end of the cuff be provided with for the cuff The first interface that blister cavities communicates, the first interface are elbow structure, and the first interface is connected with the gas tube.

7. laryngeal mask according to claim 6, which is characterized in that further include snorkel, one end of the snorkel with it is described The cavity of cuff is connected to, and the other end of the snorkel is connect with breathing apparatus, for conveying gas to the cavity of the cuff.

8. laryngeal mask according to claim 7, which is characterized in that the bite-block of the inflation tube assembly connects along its length On the side wall of the snorkel.

9. laryngeal mask according to claim 7, which is characterized in that it further include drainage tube, the drainage tube and the cuff Cavity connection, the first interface be embedded in the snorkel and cuff contact and the drainage tube and the contact of cuff it Between.

10. laryngeal mask according to claim 9, which is characterized in that the bite-block of the inflation tube assembly connects along its length It connects between the snorkel and drainage tube, so that the gas tube is embedded between the snorkel and drainage tube.