CN207640765U - Laryngeal mask and assisted respirator - Google Patents

Abstract

The utility model provides a kind of laryngeal mask and assisted respirator, is related to the field of medical instrument technology.The laryngeal mask includes vent stack and utricule, and utricule includes successively along its length interconnecting piece, opening portion and point, and one end of vent stack is fixedly arranged on interconnecting piece, and is connected to opening portion；Interconnecting piece includes shell, the air passage of perforation is formed in shell, air passage is for being connected to vent stack and opening portion；The assisted respirator includes lung ventilator and above-mentioned laryngeal mask, and the snorkel of lung ventilator is connected to the vent stack of laryngeal mask.The air passage of perforation area of effectively taking a breath is larger, it is not easy to be blocked by secretion.

Description

Laryngeal mask and assisted respirator

Technical field

The utility model is related to the field of medical instrument technology more particularly to a kind of laryngeal masks and assisted respirator.

Background technology

Patient can not carry out autonomous respiration in general anesthesia or while being inflicted heavy losses on, and laryngeal mask is as a kind of in surgery anesthesia or critical Medical instrument when patient rescues for safeguarding patient respiratory ventilation, is medically able to extensive use.

Existing laryngeal mask includes mainly single-chamber laryngeal mask and two-chamber larynx cover, and single-chamber laryngeal mask and two-chamber larynx cover include for ventilating Vent stack and be connected to vent stack and patients bronchial utricule, wherein single-chamber laryngeal mask can help patient to establish artificial gas Road, but the air bag of single-chamber laryngeal mask can be caused to shift when the increase of patient's oral secretion, thus respiratory tract can not be effectively isolated and disappeared Change road, gaseous distention can be caused, even suction is concurrently backflowed and miss when serious；A drainage is arranged in two-chamber larynx cover more than single-chamber laryngeal mask Pipe, drainage tube can be inserted into stomach tube and drain gastric juice, prevents gaseous distention and gastric juice from backflowing accidentally and inhales.

Existing laryngeal mask generally opens up bronchus of the single venthole for being connected to vent stack and patient on utricule, suffers from The intrabronchial secretion of person is easy to result in blockage to venthole, and vent stack can not be to taking a breath in patients bronchial, thus shadow Ring the effect of laryngeal mask assisted respiartion.

Utility model content

The purpose of this utility model is to provide a kind of laryngeal mask and assisted respirators, existing in the prior art to solve Venthole on utricule is easy to be blocked by the secretion in patients bronchial, and the skill for causing vent stack that can not take a breath to patient Art problem.

Laryngeal mask provided by the utility model, including vent stack and utricule, the utricule include successively along its length One end of interconnecting piece, opening portion and point, the vent stack is fixedly arranged on the interconnecting piece；The interconnecting piece includes shell Body, the interior air passage for forming perforation of the shell, the air passage is for being connected to the vent stack and the opening portion.

Further, drainage tube is also arranged in the vent stack, one end of the drainage tube sequentially passes through the company The air passage of socket part, the opening portion, are fixedly arranged on the end of the point.

Further, the utricule is equipped with air bag, and gas tube is communicated on the air bag.

Further, the air bag is equipped with fixing pipe, and the gas tube is connected to the fixing pipe.

Further, one end of the vent stack is connect with the interconnecting piece of the utricule, and other end opening is installed with Connector, the connector are equipped with the interface being connected to the vent stack, are additionally provided with for for the drainage tube hermetically passing Drain location hole.

Further, there is fixed lobe to corresponding inwardly stretch of drainage location hole on the connector.

Further, the utricule is equipped with buckling groove, and the buckling groove matches with the drainage tube.

Further, the vent stack is arranged with malacotic tooth pad, the soft bite-block and patient's Buccodental position outside It is corresponding.

Further, the vent stack includes straight line portion and bending part, the interconnecting piece of the bending part and the utricule Connection, ranging from 90 °~110 ° of the bending angle of the bending part.

The utility model laryngeal mask has the beneficial effect that：

Laryngeal mask provided by the utility model, including vent stack and utricule, vent stack pass through logical on utricule interconnecting piece Air flue is connected to the opening portion of utricule, and then is connected to the tracheae of patient, and doctor can be by vent stack to the tracheae of patient Carry out assisted respiartion；When patient needs insertion laryngeal mask to carry out assisted respiartion to it, utricule is stretched into patient by patient oral cavity Epiglottis portion, position fix after, utricule is sealed the epiglottis of patient and glottis, and healthcare givers into vent stack by filling The assisted respiartion to patient is realized in gas and pumping；The air passage of both ends perforation is formed in interconnecting piece shell, on the one hand, Ke Yizeng The effective area of big vent stack's ventilation, reduces the presence of ventilation dead space, improves efficiency of the laryngeal mask to the assisted respiartion of patient；Separately On the one hand, when there is secretion in patient airway, due to cross-sectional area (i.e. effectively ventilation area) larger, secretion of air passage It is not easy to result in blockage to air passage, so that it is guaranteed that ventilation of the laryngeal mask to patient, it is ensured that the life of patient maintains.

Another of the utility model is designed to provide a kind of assisted respirator, including lung ventilator and above-mentioned laryngeal mask, The snorkel of the lung ventilator is connected to the vent stack of the laryngeal mask, which there are all technologies of above-mentioned laryngeal mask to imitate Fruit.

The utility model assisted respirator has the beneficial effect that：

Assisted respirator provided by the utility model, when patient is in narcosis or the condition of the injury, the state of an illness is critical and needs When assisted respirator carries out assisted respiartion to it, laryngeal mask is inserted into the epiglottis portion of patient, epiglottis and glottis of the utricule to patient It is sealed, after laryngeal mask position is fixed, opens lung ventilator, lung ventilator is by snorkel and by the vent stack of laryngeal mask to patient It is inflated, is evacuated in vivo, auxiliary patient breathes.Vent stack passes through air passage on utricule interconnecting piece and trouble in laryngeal mask Person's bronchus is connected to, and since the cross-sectional area (i.e. effectively ventilation area) of air passage is larger, secretion is not easy to make air passage At blocking, so that it is guaranteed that ventilation of the laryngeal mask to patient, it is ensured that the life of patient maintains.

Description of the drawings

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 implementation mode 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, other drawings may also be obtained based on these drawings.

Fig. 1 is the first viewing angle constructions schematic diagram of the laryngeal mask that the utility model embodiment one provides；

Fig. 2 is the second viewing angle constructions schematic diagram of the laryngeal mask that the utility model embodiment one provides；

Fig. 3 is the configuration schematic diagram for the laryngeal mask that the utility model embodiment one provides；

Fig. 4 is the first viewing angle constructions schematic diagram of Fig. 3 center taps；

Fig. 5 is the second viewing angle constructions schematic diagram of Fig. 3 center taps.

Icon：1- vent stacks；2- utricules；3- drainage tubes；4- air bags；5- gas tubes；6- connectors；7- is soft Bite-block；The straight line portions 11-；12- bending parts；21- interconnecting pieces；The opening portions 22-；23- points；24- buckling grooves；211- Air passage；41- fixing pipes；61- interfaces；62- drains location hole；63- fixed lobes.

Specific implementation mode

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 The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.

It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.

Embodiment one

The present embodiment provides a kind of laryngeal masks, and as Figure 1-Figure 5, including vent stack 1 and utricule 2, utricule 2 are grown along it It includes interconnecting piece 21, opening portion 22 and point 23 to spend direction successively, and one end of vent stack 1 is fixedly arranged on interconnecting piece 21；Even Socket part 21 includes shell, the air passage 211 of perforation is formed in shell, air passage 211 is for being connected to vent stack 1 and opening portion 22。

Laryngeal mask provided in this embodiment, including vent stack 1 and utricule 2, vent stack 1 pass through on 2 interconnecting piece 21 of utricule Air passage 211 be connected to the opening portion 22 of utricule 2, and then be connected to the tracheae of patient, doctor can be right by vent stack 1 The tracheae of patient carries out assisted respiartion；When patient needs insertion laryngeal mask to carry out assisted respiartion to it, utricule 2 is passed through into patient mouthful Chamber stretches into the epiglottis portion of patient, and after position is fixed, utricule 2 is sealed the epiglottis of patient and glottis, healthcare givers pass through to Inflation and pumping, realize the assisted respiartion to patient in vent stack 1.The air passage of both ends perforation is formed in 21 shell of interconnecting piece 211, on the one hand, the effective area of the ventilation of vent stack 1 can be increased, reduce the presence of ventilation dead space, improve laryngeal mask to patient Assisted respiartion efficiency；On the other hand, when there is secretion in patient airway, since the cross-sectional area of air passage 211 (has Effect ventilation area) it is larger, secretion is not easy to result in blockage to air passage 211, so that it is guaranteed that ventilation of the laryngeal mask to patient, it is ensured that The life of patient maintains.

In the present embodiment, as shown in figures 1 and 3, be also arranged with drainage tube 3 in vent stack 1, one end of drainage tube 3 according to Secondary air passage 211 across interconnecting piece 21, opening portion 22, are fixedly arranged on the end of point 23.

Vent stack 1 is connected to the opening portion 22 of utricule 2, is arranged in vent stack 1 for patient's esophagus endocrine Utricule 2 is passed through patient oral cavity by the drainage tube 3 that object is drained when patient needs insertion laryngeal mask to carry out assisted respiartion to it Stretch into the epiglottis portion of patient, after position is fixed, utricule 2 is sealed the epiglottis of patient and glottis, and healthcare givers is by logical Inflation and pumping, realize the assisted respiartion to patient in gas supervisor 1；When having phlegm in patient's esophagus or other secretion generate, Can be inserted into the patient from 3 external opening of drainage tube by sputum aspirator tube, the secretion such as phlegm are attracted out, reduce secretion pair The influence of patient's treatment；Similar, when patient's gastric secretion is more, stomach tube can be inserted into from 3 external opening of drainage tube It is external to be drained patient by patient's stomach for gastric juice, and when reducing hyperchylia and poor 2 leakproofness of utricule, gastric juice backflows to patient The occurrence of tracheal strips.Wherein, drainage tube 3 is sheathed in vent stack 1, when the utricule 2 of laryngeal mask is inserted into patient epiglottis portion, The outer wall of vent stack 1 is in direct contact with patient oral cavity, and over the course for the treatment of, tooth can only sting vent stack 1 tightly, no patient Drainage tube 3 can be impacted, vent stack 1 plays a protective role to drainage tube 3, and patient is to drainage tube in reduction therapeutic process 3 unconscious bite and the use for influencing laryngeal mask.

In addition, drainage tube 3 is located in vent stack 1, laryngeal mask into and out patient epiglottis portion when, only vent stack It is in direct contact in 1 outer wall and patient oral cavity, the use of drainage tube 3 does not influence patient comfort, and laryngeal mask is used and inserted Enter, in extraction process, the outer wall roundness degree in 1 single channel of vent stack is easier to ensure, to reduce vent stack 1 and drainage tube 3 when being separately provided, and the outer wall roundness degree of two pipelines is poor, squeezes patient oral cavity and throat relatively strong, the larger situation of stimulation Occur, and then enhances the comfort level of patient.

In the present embodiment, as shown in Figure 1-Figure 3, it can be equipped with air bag 4 on utricule 2, gas tube is communicated on air bag 4 5.Laryngeal mask is in use, utricule 2 is sealed isolation to the tracheae and esophagus of patient, to realize that the auxiliary of patient airway is exhaled in outside It inhales, air bag 4 is equipped on utricule 2, before laryngeal mask, air bag 4 is in shrivelled state, after 2 position of utricule of laryngeal mask is fixed, leads to It overcharges tracheae 5 to inflate into air bag 4, air bag 4 is heaved to the epiglottis portion of patient and the sealing of glottis portion, and the inflation of air bag 4 can when heaving Certain elastic deformation occurs with patient epiglottis portion and glottis portion shape, to improve laryngeal mask to patient epiglottis portion and glottis portion Sealing performance, improve the assisted respiartion effect of laryngeal mask.

Specifically, can be according to the structure in human body epiglottis portion and glottis portion, the corresponding structure that utricule 2 is arranged makes utricule 2 fill There is tympanites certain radian, the contact position of the radian and patient to match after rising, on the one hand, air bag 4 and patient epiglottis portion Match, it can be ensured that air bag 4 and the sealing of patient's throat coordinate；On the other hand, air bag 4 will not produce patient's body position Raw larger extruding, enhances the comfort level of patient.In addition, during in order to reduce laryngeal mask use, patient bites to gas tube 5, Gas tube 5 can be set in the inside of vent stack 1.

In the present embodiment, as shown in figure 3, fixing pipe 41 can be equipped on air bag 4, gas tube 5 is connected to fixing pipe 41. One end of gas tube 5 is connect with the open at one end of fixing pipe 41, can be to gas by gas tube 5 to be connected to 4 inside of air bag Inflation/deflation in capsule 4.

Specifically, in order to enhance the connectivity robustness of air bag 4 and utricule 2, mounting hole, air bag 4 can be equipped on utricule 2 On fixing pipe 41 match with mounting hole.Fixing pipe 41 first on air bag 4 is connected to 4 inside of air bag, and protrudes air bag 4 Fixing pipe 41 is inserted into the mounting hole on utricule 2, wherein mounting hole is positioned and fixed to air bag 4 by main body.Specifically, Mounting hole can be the smaller hole of a depth, or the longer channel of depth, the end of the fixing pipe 41 of air bag 4 The inside of mounting hole can be located at, can also be protruded outside mounting hole.

In the present embodiment, as shown in figures 1 and 3, one end of vent stack 1 is connect with the interconnecting piece 21 of utricule 2, the other end Opening is installed with connector 6, and connector 6 is equipped with the interface 61 being connected to vent stack 1, is additionally provided with for being sealed for drainage tube 3 The drainage location hole 62 passed through.Drainage tube 3 is sheathed in vent stack 1, and is pierced by from the drainage location hole 62 on connector 6, " 3 hermetically passing of drainage tube drains location hole 62 " refers to that drainage tube 3 passes through drainage location hole 62, and drainage tube 3 is outer herein Sealed set between wall and the inner wall for draining location hole 62；Gas in vent stack 1 can only enter from the interface 61 of connector 6 or The setting of output, connector 6 between drainage tube 3 and vent stack 1 to be two independent chambers, will not interfere with each other.In addition, When the gas tube 5 of laryngeal mask is also sheathed in vent stack 1, can also be equipped with for for 5 hermetically passing of gas tube on connector 6 Inflation location hole.Specifically, interface 61 is the standard interface that can be matched with the snorkel of lung ventilator on connector 6.

In the present embodiment, as shown in figure 3, the inner wall of connector 6 is equipped with fixed lobe 63, is formed and drained in fixed lobe 63 The fixation channel that location hole 62 is connected to.The fixation that the drainage tube 3 being sheathed in vent stack 1 passes through fixed lobe 63 to be formed is logical Road is pierced by from drainage location hole 62, and limit is fixed to drainage tube 3 in the fixation channel that fixed lobe 63 is formed in connector 6 Position even avoids the sliding in drainage location hole 62 of drainage tube 3 to reduce, and causes drainage tube 3 in 1 inner bending of vent stack From the generation of dropping situations on utricule 2, to ensure the connection between drainage tube 3 and air bag 4 and drainage.Specifically, in order to Ensure the leakproofness between drainage tube 3 and fixed lobe 63, sealing ring can be installed between drainage tube 3 and fixed lobe 63, Drainage tube 3 can also be directly sticked on the inner wall of fixed lobe 63 with viscose glue, on the one hand improves leakproofness, on the other hand also can Enhance the fixation to drainage tube 3.Specifically, when gas tube 5 is sheathed in vent stack 1, in order to enhance connector 6 to gas tube 5 fixed limit, can also be arranged the fixed lobe 63 for gas tube 5 being fixed limit on connector 6, can also be in fixation Sealing ring is set between protrusion 63 and gas tube 5 or directly gas tube 5 is sticked on fixed lobe 63, to improve between the two Leakproofness.

In the present embodiment, as shown in Figure 3 and Figure 4, buckling groove 24, buckling groove 24 and drainage tube 3 can be equipped on utricule 2 Match.Drainage tube 3 sequentially passes through interconnecting piece 21, opening portion 22 and the point 23 of utricule 2, and is fixedly arranged on its point 23 End, one end that drainage tube 3 is fixedly arranged on point 23 also extend through air bag 4, therefore, the setting of drainage tube 3, to the ventilation of utricule 2, The sealing of air bag 4 has an impact, and is equipped with buckling groove 24 in the position that 2 inner drainage tube 3 of utricule passes through, drainage tube 3 is caught in buckling groove In 24, the position of drainage tube 3 is fixed and cannot move, so that it is guaranteed that the drainage of drainage tube 3, and reduce drainage tube 3 shift influence utricule 2 ventilation and air bag 4 sealing function.Specifically, to seamlessly transit in drainage tube 3, without sharp Bending, be inserted into drainage tube 3 in sputum aspirator tube or stomach tube also do not bend sharply accordingly, to reduce sputum aspirator tube or stomach tube extraction It is accumulated in bending place when the phlegm or gastric juice of patient's body, to blocking caused by drainage tube 3, to reduce the resistance attracted secretion Power, it is ensured that the drainage of drainage tube 3.

In the present embodiment, as shown in Figure 1-Figure 3, vent stack 1 is arranged with malacotic tooth pad 7, soft bite-block 7 and patient outside Buccodental position is corresponding.In use, vent stack 1 is inserted into patient throat by the oral cavity of patient, laryngeal mask used laryngeal mask Cheng Zhong, the tooth of patient is unconscious to vent stack 1 to be stung tightly, and soft bite-block 7 is arranged on vent stack 1, and laryngeal mask uses process In, the tooth of patient stings tight soft bite-block 7, can not only enhance the comfort level of patient, can also play protection to vent stack 1 Effect reduces or even avoids the occurrence of that patient stings vent stack 1 and splits.In addition, the tooth of patient is close with soft bite-block 7 It stings tightly, certain position restriction can also be played the role of to vent stack 1, so that it is guaranteed that the position of vent stack 1, and then ensure Position of the air bag 4 in patient epiglottis portion, it is ensured that the sealing function of air bag 4 enhances the usability of laryngeal mask.

In the present embodiment, as shown in Figures 2 and 3, vent stack 1 may include straight line portion 11 and bending part 12, bending part 12 connect with the interconnecting piece 21 of utricule 2, ranging from 90 °~110 ° of the bending angle of bending part 12.1 bending part of vent stack, 12 He The setting of straight line portion 11, the path with human body throat not only facilitate the insertion of vent stack 1, can also enhance utricule 2 with The matching of patient's bottleneck throat seals.

Embodiment two

The present embodiment provides a kind of assisted respirator, including the laryngeal mask described in lung ventilator and embodiment one, the breathing The snorkel of machine is connected to the vent stack 1 of the laryngeal mask.

Assisted respirator provided in this embodiment, when patient is in narcosis or the condition of the injury, the state of an illness is critical and needs auxiliary When breathing equipment being helped to carry out assisted respiartion to it, laryngeal mask is inserted into the epiglottis portion of patient, gas, air bag 4 are filled with into gas tube 5 It heaves therewith and the epiglottis of patient and glottis is sealed, after laryngeal mask position is fixed, open lung ventilator, lung ventilator passes through snorkel And be inflated, be evacuated to patient's body by the vent stack 1 of laryngeal mask, auxiliary patient breathes.Vent stack 1 in laryngeal mask It is connected to patients bronchial by the air passage 211 on 2 interconnecting piece 21 of utricule, since the cross-sectional area of air passage 211 is (i.e. effective Ventilation area) it is larger, secretion is not easy to result in blockage to air passage 211, so that it is guaranteed that ventilation of the laryngeal mask to patient, it is ensured that suffers from The life of person maintains.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of laryngeal mask, which is characterized in that including vent stack (1) and utricule (2), the utricule (2) along its length according to Secondary includes interconnecting piece (21), opening portion (22) and point (23), and one end of the vent stack (1) is fixedly arranged on the interconnecting piece (21) on；The interconnecting piece (21) includes shell, and the air passage (211) of perforation, the air passage (211) are formed in the shell For being connected to the vent stack (1) and the opening portion (22).

2. laryngeal mask according to claim 1, which is characterized in that it is also arranged with drainage tube (3) in the vent stack (1), One end of the drainage tube (3) sequentially passes through the air passage (211) of the interconnecting piece (21), the opening portion (22), is fixedly arranged on The end of the point (23).

3. laryngeal mask according to claim 2, which is characterized in that the utricule (2) is equipped with air bag (4), the air bag (4) On be communicated with gas tube (5).

4. laryngeal mask according to claim 3, which is characterized in that the air bag (4) is equipped with fixing pipe (41), the inflation Pipe (5) is connected to the fixing pipe (41).

5. according to the laryngeal mask described in any one of claim 2-4, which is characterized in that one end of the vent stack (1) and institute Interconnecting piece (21) connection of utricule (2) is stated, other end opening is installed with connector (6), and the connector (6) is equipped with leads to described Gas is responsible for the interface (61) of (1) connection, is additionally provided with for the drainage location hole (62) for the drainage tube (3) hermetically passing.

6. laryngeal mask according to claim 5, which is characterized in that the inner wall of the connector (6) is equipped with fixed lobe (63), institute State the fixation channel for being formed in fixed lobe (63) and being connected to the drainage location hole (62).

7. according to the laryngeal mask described in any one of claim 2-4, which is characterized in that the utricule (2) is equipped with buckling groove (24), the buckling groove (24) matches with the drainage tube (3).

8. according to the laryngeal mask described in any one of claim 1-4, which is characterized in that be arranged with outside the vent stack (1) soft Matter bite-block (7), the soft bite-block (7) are corresponding with patient's Buccodental position.

9. according to the laryngeal mask described in any one of claim 1-4, which is characterized in that the vent stack (1) includes straight line portion (11) it is connect with the interconnecting piece (21) of the utricule (2) with bending part (12), the bending part (12), the bending part (12) Ranging from 90 °~110 ° of bending angle.

10. a kind of assisted respirator, which is characterized in that including the larynx described in any one of lung ventilator and claim 1-9 Cover, the snorkel of the lung ventilator are connected to the vent stack (1) of the laryngeal mask.