CN219071682U

CN219071682U - Multifunctional laryngeal mask

Info

Publication number: CN219071682U
Application number: CN202223517319.0U
Authority: CN
Inventors: 胡浩; 曹赞; 邓枫; 费建
Original assignee: Zhejiang Jenston Medical Technology Co ltd
Current assignee: Zhejiang Jenston Medical Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-26
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a multifunctional laryngeal mask, which is characterized in that a ventilation cavity channel, an instrument operation cavity channel and a feeding cavity channel which extend along the axial direction of the laryngeal mask are formed in a tube body, an instrument extending port communicated with the ventilation cavity channel is formed in the end part of the tube body, a concave auxiliary ventilation structure is formed in the inner wall of the ventilation cavity channel and close to the instrument extending port, the concave auxiliary ventilation structure extends along the circumferential direction of the ventilation cavity channel and is communicated with the ventilation cavity channel, one side of the mask body far away from the human body air channel is communicated with the instrument extending port in a sealing manner, a connecting cavity channel communicated with the feeding cavity channel and the human body food channel is formed in the side wall of the mask body far away from the human body air channel, and the ventilation cavity channel, the instrument operation cavity channel and the feeding cavity channel are formed in the tube body to serve as the ventilation cavity channel through which air passes, so that the ventilation channel is not occupied for instrument operation, the concave auxiliary ventilation structure is formed, the ventilation quantity is not influenced by instruments, the requirement of ventilation quantity is met, and the requirement on the size of surgical instrument is reduced.

Description

Multifunctional laryngeal mask

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a multifunctional laryngeal mask.

Background

Laryngeal Mask (LMA) is a special type of vent pipe, is a novel ventilation tool between a mask and a tracheal cannula commonly used in clinic, and has been widely applied to respiratory management in general anesthesia, especially short and small general anesthesia surgery, and emergency airway opening in rescue because of the advantages of simple operation, easy grasp, small damage, good patient tolerance, etc. The main structure of the laryngeal mask consists of a sac body, a main laryngeal mask tube, a machine end connector and the like.

The number of the lumen passages in the main tube of the laryngeal mask can be divided into two types: the single-tube laryngeal mask-main tube is a single-cavity and double-tube laryngeal mask-main tube which comprises a ventilation cavity and one (or two) drainage channels; laryngeal masks are broadly divided into two categories according to the purposes of use in clinical surgery: one type of procedure, laryngeal mask is used only to maintain the patient's breath, and the other type of procedure, laryngeal mask, in addition to meeting the patient's breath, requires that the clinician pass an endoscope through the laryngeal mask and into the patient for examination or treatment.

The following problems are encountered when a clinician is doing an extension procedure: when the ventilation pipe passes through the endoscope and other instruments, the ventilation channel is occupied, and ventilation pressure and frequency are required to be increased to meet the oxygen content requirement of a patient. At this time, the large ventilation pressure and frequency impact the patient's lungs, which may destroy alveolar tissue and cause lesions. Moreover, when the clinician requires two instruments, such as a combination of a bronchoscope and a tracheal stent, the diameters of the two instruments add to exceed the inner diameter of the laryngeal mask airway, at which time the clinical applicability of the laryngeal mask is greatly reduced. When the laryngeal mask is used, if a patient has cough and outward sputum surge, and the sputum suction tube is required to be used for suction, the laryngeal mask is required to be disconnected from the breath due to the limitation of the channel, and the sputum suction tube is required to be put into the laryngeal mask for suction. At this point, there is a great risk to the patient due to the disconnection of the ventilator.

Disclosure of Invention

The utility model aims to provide a multifunctional laryngeal mask so as to solve the problems in the prior art, and the ventilation cavity, the instrument operation cavity and the feeding cavity are arranged on the tube body and are used as ventilation channels through which gas passes, so that the instrument operation cavity for instrument operation is not occupied, and the ventilation is not influenced by instruments by arranging the concave auxiliary ventilation structure, so that the ventilation requirement is met, and the requirement on the size of a surgical instrument is reduced.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a multifunctional laryngeal mask which comprises a tube body and a mask body connected to the end part of the tube body and arranged at a human body air passage opening in a sealing manner, wherein a ventilation cavity passage, an instrument operation cavity passage and a feeding cavity passage which extend along the axial direction of the tube body are formed in the tube body, an instrument extending opening communicated with the ventilation cavity passage is formed in the end part of the tube body, a concave auxiliary ventilation structure is formed in the inner wall of the ventilation cavity passage at a position close to the instrument extending opening, the concave auxiliary ventilation structure extends along the circumferential direction of the ventilation cavity passage and is communicated with the ventilation cavity passage, one side, far away from the human body air passage, of the mask body is communicated with the instrument extending opening in a sealing manner, and a connecting cavity passage communicated with the feeding cavity passage and the human body food passage is formed in the side wall, far away from the human body air passage, of the mask body.

Preferably, the concave auxiliary ventilation structure is a special-shaped structure along the radial cross section of the concave auxiliary ventilation structure, and the maximum width of the special-shaped structure is wider than the radial width of the surgical instrument extending into the instrument operation cavity.

Preferably, the concave auxiliary ventilation structure is arranged on one side inner wall of the instrument operation cavity along the width direction of the cover body.

Preferably, an instrument inlet which is independently arranged and communicated with the instrument operation cavity is formed in the end part, far away from the cover body, of the tube body, and an elastic sealing element which is sealed and wrapped on the outer peripheral side of the surgical instrument is detachably arranged at the instrument inlet.

Preferably, the elastic sealing element is a cross-shaped opening elastic sealing element which is convenient for the surgical instrument to be jacked up and is in sealing connection with the inner side of the surgical instrument.

Preferably, stripe grooves are densely arranged on the inner wall of the instrument operation cavity, and each stripe groove extends along the axial direction of the instrument operation cavity and is uniformly distributed along the circumferential direction of the instrument operation cavity.

Preferably, the instrument operation cavity is matched with a soft sleeve for sleeving an endoscope, the soft sleeve is inserted into the instrument operation cavity after the elastic sealing element is replaced, and the inlet section of the soft sleeve is arranged at the instrument inlet in a sealing way.

Preferably, the outlet section of the flexible sleeve is of a telescopic structure which can be extended as the endoscope is inserted.

Preferably, the end part of the pipe body, which is far away from the cover body, is provided with a breathing machine interface which is independently arranged and communicated with the ventilation cavity, the breathing machine interface is communicated with a breathing machine connector which is in a tubular structure, and the breathing machine connector is obliquely arranged towards the periphery of the pipe body.

Preferably, the end part of the tube body far away from the cover body is provided with an independently arranged feeding port communicated with the feeding cavity, the instrument inlet is arranged on one side of the tube body along the width direction of the cover body, the feeding port and the respirator interface are opposite to each other, the instrument inlet is arranged on the other side of the tube body along the width direction of the cover body, and the feeding port is arranged on one side of the respirator interface far away from the air duct of a human body.

Compared with the prior art, the utility model has the following technical effects:

firstly, a ventilation cavity channel, an instrument operation cavity channel and a feeding cavity channel which extend along the axial direction of the ventilation cavity channel are formed in a tube body, an instrument extending outlet communicated with the ventilation cavity channel is formed at the end part of the tube body, a concave auxiliary ventilation structure is formed on the inner wall of the ventilation cavity channel at a position close to the instrument extending outlet, the concave auxiliary ventilation structure extends along the circumferential direction of the ventilation cavity channel and is communicated with the ventilation cavity channel, one side of the cover body away from the human body air channel is communicated with the instrument extending outlet in a sealing way, a connecting cavity channel communicated with the feeding cavity channel and the human body food channel is formed in the side wall of the cover body away from the human body air channel, on one hand, the ventilation cavity channel, the instrument operation cavity channel and the feeding cavity channel are synchronously formed in the tube body, the ventilation cavity channel is communicated with a breathing machine, the cover body is further sealed and covered at the human body air channel, namely oxygen supply is ensured to the human body through the ventilation cavity channel, by arranging the instrument operation cavity channel, different surgical instruments can extend into the instrument operation cavity channel and extend out through the instrument extension opening, so that the examination or treatment of a human body is finished, the problem that in the prior art, only the ventilation cavity channel and the feeding cavity channel are arranged is avoided, when the operation is required to be carried out on the human body, the ventilation cavity channel is still required to be occupied by the instruments such as an endoscope and the like, the two instruments can be matched for use through the ventilation cavity channel and the instrument operation cavity channel, the two instruments can extend into the ventilation cavity channel and the instrument operation cavity channel respectively, the operation is finished on the trachea of the human body, the two surgical instruments are prevented from extending into the same ventilation cavity channel in the prior art, the inner diameter of the ventilation cavity channel is limited, the applicability of the structure of the surgical instruments is greatly reduced, further, when the sputum aspiration operation is carried out on the human body, the sputum aspiration tube is extended through the instrument operation cavity channel, need not ventilation cavity way disconnection breathing machine, avoid causing very big risk to the patient, on the other hand, through seting up sunken auxiliary ventilation structure near the position department that the apparatus stretches out the mouth on the inner wall of ventilation cavity way, regard sunken auxiliary ventilation structure as the gas outlet of ventilation cavity way, sunken auxiliary ventilation structure extends along the circumference of ventilation cavity way and is linked together with ventilation cavity way, avoid the surgical instrument to the complete closing cap of sunken auxiliary ventilation structure, and then avoid the ventilation volume to receive the influence of apparatus, play to satisfy the ventilation volume requirement, reduce the requirement to the surgical instrument size.

Second, the sunken auxiliary ventilation structure is special-shaped structure along its radial cross-section to fully avoid sunken auxiliary ventilation structure and surgical instrument appearance structure's assortment, and then avoid the surgical instrument to form closely knit shutoff to sunken auxiliary ventilation structure's possibility, and the maximum width of special-shaped structure is wider than stretching into the radial width of surgical instrument in the apparatus operation chamber passageway, has further reduced the surgical instrument to sunken auxiliary ventilation structure's possibility of shutoff completely, has guaranteed not influenced the air supply quantity to the human body.

Thirdly, the sunken auxiliary ventilation structure is arranged on the inner wall of one side of the appliance operation cavity along the width direction of the cover body, so that in the process of using two kinds of surgical appliances to perform operations on human air pipes, the two kinds of appliances can be symmetrically distributed along the horizontal direction as much as possible, the influence of the gravity of the other side is easily received when the two kinds of appliances are distributed in the vertical direction, the situation of mutual overlapping is generated, and the normal operation of the operations is further influenced.

Fourth, the pipe body is kept away from the apparatus inlet port that the tip of cover body set up independently and be linked together with the apparatus operation chamber way, and apparatus inlet port department can dismantle and be equipped with sealed parcel at the elastic sealing spare of surgical instrument periphery side for when surgical instrument passes through the apparatus inlet port and advances, can the cladding in surgical instrument's periphery side, forms sealedly to the interval between it and the apparatus inlet port, avoids leaking through apparatus inlet port department to the gas of human confession, guarantees that human breathing is stable.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic diagram of the overall structure of the present utility model;

FIG. 4 is a schematic diagram of the overall structure of the present utility model;

wherein, 1-breathing machine connects, 2-feed mouth, 3-apparatus access port, 4-sealing cap, 5-cross opening elastic seal, 6-body, 7-cover bag, 8-cover body, 9-sunken auxiliary ventilation structure, 10-backplate, 11-apparatus stretch out mouth, 12-connection chamber way, 13-apparatus operation chamber way, 14-ventilation chamber way, 15-feed chamber way.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1 to 4, the present embodiment provides a multifunctional laryngeal mask, including a tube body 6, a mask body 8 connected to the end of the tube body 6 and sealed and covered at the mouth of the human body air duct, a ventilation cavity 14, an instrument operation cavity 13 and a feeding cavity 15 extending along the axial direction of the tube body 6 are provided in the tube body 6, preferably the diameter of the instrument operation cavity 13 is larger than that of the ventilation cavity 14, for example, the end of the tube body 6 connected to the mask body 8 is provided with an instrument outlet 11 communicating with the ventilation cavity 14, preferably, the diameter of the instrument outlet 11 is not smaller than 6mm, a concave auxiliary ventilation structure 9 is provided on the inner wall of the ventilation cavity 14 near the instrument outlet 11, the concave auxiliary ventilation structure 9 extends along the circumferential direction of the ventilation cavity 14 and communicates with the ventilation cavity 14, one side of the mask body 8 far away from the mouth of the human body air duct is communicated with the instrument outlet 11 in a sealing manner, on one hand, the side wall of the cover body 8 far away from the human body air passage opening is internally provided with a connecting cavity passage 12 which is communicated with the feeding cavity passage 15 and the human body food passage opening, on the other hand, the inside of the pipe body 6 is synchronously provided with a ventilation cavity passage 14, an instrument operation cavity passage 13 and the feeding cavity passage 15, the ventilation cavity passage 14 is communicated with a breathing machine, the ventilation cavity passage 14 is communicated with the cover body 8, the cover body 8 is sealed and covered at the human body air passage opening, namely, the ventilation cavity passage 14 ensures the oxygen supply to the human body, by arranging the instrument operation cavity passage 13, different surgical instruments can extend into the instrument operation cavity passage 13 and extend out through the instrument extension opening 11, the examination or treatment of the human body is completed, the prior art is avoided, when the operation is required to be carried out on the human body, the ventilation cavity passage 14 is still required to be internally through instruments such as an inner mirror, the ventilation cavity passage 14 is occupied, the cooperation of the two instruments can be satisfied through the ventilation cavity passage 14 and the instrument operation cavity passage 13, the two kinds of instruments can be respectively stretched into the ventilation cavity channel 14 and the instrument operation cavity channel 13 to finish operation on human trachea, avoid stretching into same ventilation cavity channel 14 with two kinds of surgical instruments among the prior art, be limited by ventilation cavity channel 14's internal diameter, greatly reduced to surgical instrument's structural suitability, further, when inhaling phlegm operation to the human body, stretch into the phlegm suction tube through instrument operation cavity channel 13, need not ventilation cavity channel 14 disconnection breathing machine, avoid causing very big risk to the patient, on the other hand, through set up sunken auxiliary ventilation structure 9 in the position department that is close to instrument and stretches out the mouth 11 on ventilation cavity channel 14's inner wall, regard sunken auxiliary ventilation structure 9 as ventilation cavity channel 14's gas outlet, sunken auxiliary ventilation structure 9 extends along ventilation cavity channel 14's circumference and is linked together with ventilation cavity channel 14, avoid surgical instrument to be covered completely to sunken auxiliary ventilation structure 9, and then avoid the ventilation volume to receive the influence of apparatus, reduce the requirement to surgical instrument size when playing the requirement of satisfying ventilation volume.

Wherein, the cover body 8 comprises a back plate 10 and a sleeve bag 7, the back plate 10 and the tube body 6 are integrally formed, the back plate 10 is in a cover-shaped structure, the inner space of the cover-shaped structure is communicated with the instrument operation cavity 13, and the sleeve bag 7 is sleeved at the cover opening of the cover-shaped structure of the back plate 10 so as to be capable of completing the peripheral sealing around the laryngeal inlet without penetrating into the laryngeal interior. The sleeve bag 7 is communicated with an inflatable hose for inflating the sleeve bag, and the inflatable hose is provided with a one-way valve and an inflation nozzle.

Moreover, the cross section of the concave auxiliary ventilation structure 9 along the radial direction is of a special-shaped structure, so that the matching of the concave auxiliary ventilation structure 9 and the appearance structure of the surgical instrument is fully avoided, the possibility that the surgical instrument forms a compact blocking on the concave auxiliary ventilation structure 9 is further avoided, the maximum width of the special-shaped structure is wider than the radial width of the surgical instrument extending into the instrument operation cavity channel 13, the possibility that the surgical instrument completely blocks the concave auxiliary ventilation structure 9 is further reduced, and the air supply amount to a human body is not influenced.

Further, the concave auxiliary ventilation structure 9 is formed on the inner wall of one side of the appliance operation cavity channel 13 along the width direction of the cover body 8, so that in the process of using two kinds of surgical appliances to perform operations on human air pipes, the two kinds of appliances can be distributed symmetrically along the horizontal direction as much as possible, the influence of the gravity of the other side is easily received when the two kinds of appliances are distributed in the vertical direction, the situation of mutual overlapping is generated, and the normal operation of the operations is further influenced.

As a preferred embodiment of the utility model, the end part of the tube body 6 far away from the cover body 8 is provided with the instrument access opening 3 which is independently arranged and communicated with the instrument operation cavity channel 13, the diameter size of the opening of the instrument access opening 3 is not smaller than 6mm, the elastic sealing element which is hermetically wrapped on the outer peripheral side of the surgical instrument is detachably arranged at the instrument access opening 3, and the elastic sealing element is arranged, so that the surgical instrument can be wrapped on the outer peripheral side of the surgical instrument when entering through the instrument access opening 3, the gap between the surgical instrument and the instrument access opening 3 is sealed, the leakage of the gas supplied to a human body through the instrument access opening 3 is avoided, and the respiratory stability of the human body is ensured.

Moreover, the elastic sealing element is the cross-shaped opening elastic sealing element 5 which is convenient for the surgical instrument to jack up and is in sealing connection with the inner side of the elastic sealing element, so that the surgical instruments with different sizes can jack up the cross-shaped opening elastic sealing element 5 to extend into the instrument operation cavity 13 while the instrument operation cavity 13 is sealed, and the elastic sealing element is wrapped around the surgical instrument, thereby preventing gas leakage, keeping the breathing stability of a patient and improving the suitability of the surgical instruments with different sizes. The sealing cap 4 is matched with the elastic sealing element, and after the elastic sealing element is used, the sealing cap 4 is covered at the instrument inlet 3, so that the pollution of external dust to the instrument operation cavity 13 is reduced.

Further, stripe grooves are densely formed on the inner wall of the instrument operation cavity channel 13, and each stripe groove extends along the axial direction of the instrument operation cavity channel 13 and is uniformly distributed along the circumferential direction of the stripe groove so as to reduce the contact surface between the surgical instrument and the inner wall of the instrument operation cavity channel 13 when the surgical instrument passes through, thereby reducing the friction force of the surgical instrument on the inner wall of the instrument operation cavity channel 13. The preferred instrument operation cavity channel 13 is in a straight-through structure, and the purpose of adopting the design is that a surgical instrument or a bronchofiberscope can smoothly pass through the instrument operation cavity channel 13 without being blocked and the patient is not influenced to maintain breathing.

Preferably, the instrument operation cavity channel 13 is matched with a soft sleeve for sleeving an endoscope, the soft sleeve is inserted into the instrument operation cavity channel 13 after the elastic sealing element is replaced, and the inlet section of the soft sleeve is arranged at the instrument inlet 3 in a sealing way. When the epiglottis position of a patient is required to be observed or whether sputum exists in the throat of the patient is checked, the elastic sealing element is removed, the flexible sleeve is replaced, the endoscope is inserted into the flexible sleeve, the flexible sleeve is fixed into the instrument operation cavity channel 13, the inlet section of the flexible sleeve seals the instrument inlet port 3, the other end of the flexible sleeve stretches into the pharyngeal cavity of the patient, meanwhile, due to the adoption of the flexible material, the sleeve can follow the rotation of the head end of the endoscope, the observation direction and the observation range can be adjusted, and the problem that the endoscope cannot be completely or carefully observed is solved.

Further, the outlet section of the flexible sleeve is of a telescopic structure which can extend along with the extension of the endoscope, such as a corrugated structure and the like, and can be prolonged along with the pushing of the endoscope, so that the flexible sleeve can be conveniently carried to extend into the pharyngeal cavity of a human body, and the pharyngeal part of a patient can be observed more carefully.

As a preferred embodiment of the utility model, the end of the tube body 6 far away from the cover body 8 is provided with a ventilator interface which is independently arranged and communicated with the ventilation cavity 14, the ventilator interface is communicated with a ventilator joint 1 with a tubular structure, the ventilator joint 1 is obliquely arranged towards the periphery of the tube body 6, and is preferably gradually far away from the instrument inlet 3 and the feeding cavity 15 along the radial direction of the tube body 6, so that the utility model aims at staggering the positions, facilitating the surgical instrument to enter the instrument operation cavity 13 and avoiding the influence on human feeding.

Moreover, the end part of the tube body 6 far away from the cover body 8 is provided with a feeding port 2 which is independently arranged and communicated with the feeding cavity channel 15, the diameter of the feeding port 2 is not less than 4mm, the instrument inlet 3 is arranged on one side of the tube body 6 along the width direction of the cover body 8, the feeding port 2 and the respirator interface are positioned on the other side of the tube body 6 along the width direction of the cover body 8 relative to the instrument inlet 3, and the feeding port 2 is positioned on one side of the respirator interface far away from the air duct of a human body.

The adaptation to the actual need is within the scope of the utility model.

It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. The utility model provides a multifunctional laryngeal mask, its characterized in that, is in including the body, connect the body tip and the sealed cowling is established the cover body in human air passage mouth department, set up in the body all along its axially extending's ventilation cavity way, apparatus operation cavity way and supply edible cavity way, the body is connected the tip of cover body set up with the apparatus that the ventilation cavity say and is linked together stretches out the mouth, be close to on the inner wall of ventilation cavity way the position department that the apparatus stretched out the mouth has seted up sunken auxiliary ventilation structure, sunken auxiliary ventilation structure is followed the circumference extension of ventilation cavity way and with the ventilation cavity way is linked together, set up the intercommunication in the lateral wall that the cover body kept away from human air passage mouth supply edible cavity way and human food passage mouth connect the cavity way.

2. A multifunctional laryngeal mask according to claim 1, characterised in that the concave auxiliary ventilation structure is profiled along its radial cross section and the maximum width of the profiled is wider than the radial width of a surgical instrument extending into the instrument working channel.

3. A multifunctional laryngeal mask according to claim 2, characterised in that the concave auxiliary ventilation structure is provided on one side inner wall of the instrument working channel in the width direction of the mask body.

4. A multifunctional laryngeal mask according to claim 2 or 3, wherein the end of the tube remote from the mask body is provided with an instrument access port which is independently arranged and is in communication with the instrument working channel, and an elastic sealing member which is hermetically wrapped on the outer peripheral side of the surgical instrument is detachably arranged at the instrument access port.

5. A multi-functional laryngeal mask according to claim 4, wherein said resilient seal is a cross-shaped open resilient seal that facilitates the ejection and sealing of said surgical instrument inserted inside thereof.

6. A multifunctional laryngeal mask according to claim 5, characterised in that the inner wall of the instrument working channel is densely provided with striped grooves, each of which extends axially along the instrument working channel and is evenly distributed along its circumference.

7. The multifunctional laryngeal mask according to claim 6, wherein the instrument operation cavity is provided with a soft sleeve for sleeving an endoscope, the soft sleeve is inserted into the instrument operation cavity after the elastic sealing element is replaced, and an inlet section of the soft sleeve is arranged at the instrument inlet in a sealing way.

8. A multi-functional laryngeal mask according to claim 7, wherein the outlet section of the flexible sleeve is of a telescopic configuration which is capable of being extended as the endoscope is advanced.

9. The multifunctional laryngeal mask of claim 8, wherein the end of the tube body away from the mask body is provided with a ventilator interface which is independently arranged and communicated with the ventilation cavity, the ventilator interface is communicated with a ventilator joint in a tubular structure, and the ventilator joint is obliquely arranged towards the periphery of the tube body.

10. The multifunctional laryngeal mask of claim 9, wherein the end of the tube body remote from the mask body is provided with a feeding port which is independently arranged and communicated with the feeding cavity, the instrument inlet port is arranged on one side of the tube body along the width direction of the mask body, the feeding port and the respirator interface are positioned on the other side of the tube body along the width direction of the mask body relative to the instrument inlet port, and the feeding port is positioned on one side of the respirator interface remote from the human body air duct port.