CN113171524A - High-frequency ventilation laryngeal mask capable of performing airway operation - Google Patents

Abstract

The invention relates to a high-frequency ventilation laryngeal mask, in particular to a high-frequency ventilation laryngeal mask capable of performing airway operation. According to the technical scheme provided by the invention, the high-frequency ventilation laryngeal mask capable of performing airway operation comprises a laryngeal mask body, wherein the laryngeal mask body comprises a mask body capable of covering oral mucosa around a glottis and a mask body pipe in adaptive connection with the mask body, a laryngeal mask ventilation joint in adaptive connection with the mask body pipe is arranged at the end part of the mask body pipe, and the laryngeal mask ventilation joint is matched with the laryngeal mask body to perform required low-frequency ventilation or high-frequency ventilation. The invention can meet the requirement of high-frequency ventilation, can keep the continuous ventilation of the operation patient, does not influence the normal operation of the tracheal operation, and has convenient use, safety and reliability.

Description

High-frequency ventilation laryngeal mask capable of performing airway operation

Technical Field

The invention relates to a high-frequency ventilation laryngeal mask, in particular to a high-frequency ventilation laryngeal mask capable of performing airway operation.

Background

Laryngeal masks, a medical device used to maintain the respiratory ventilation of patients, have found widespread use in clinical anesthesia, emergency treatment or resuscitation due to their non-invasive airway characteristics. With the advance of materials and technology, various improved laryngeal masks are in clinical use.

The laryngeal mask is used for ventilation under general anesthesia, so that the pain of a patient can be relieved, stable ventilation circulation can be maintained, high oxygen inhalation concentration is realized, and a good visual field and an operation area can be provided for the operation of the fiberbronchoscope. However, for patients with narrow airways, the airway is blocked by secretion and bleeding, and simultaneously, the operation of the fiberbronchoscope and the inhibition effect of general anesthetic on spontaneous respiration are easy to cause suffocation danger for the patients, the problem of poor ventilation effect exists in positive pressure ventilation above the narrow trachea, and the existing laryngeal mask cannot adapt to the situation and is difficult to meet the requirement of specific use.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a high-frequency ventilation laryngeal mask capable of performing airway operation, which can meet the requirement of high-frequency ventilation, can keep the continuous ventilation of a patient in operation, does not influence the normal operation of a tracheal operation, and is convenient to use, safe and reliable.

According to the technical scheme provided by the invention, the high-frequency ventilation laryngeal mask capable of performing airway operation comprises a laryngeal mask body, wherein the laryngeal mask body comprises a mask body capable of covering oral mucosa around a glottis and a mask body pipe in adaptive connection with the mask body, a laryngeal mask ventilation joint in adaptive connection with the mask body pipe is arranged at the end part of the mask body pipe, and the laryngeal mask ventilation joint is matched with the laryngeal mask body to perform required low-frequency ventilation or high-frequency ventilation.

The laryngeal mask ventilation joint comprises a laryngeal mask ventilation first joint which can be in adaptive connection with the mask body pipe;

the first laryngeal mask ventilation joint comprises a first ventilation joint pipe which can be in adaptive connection with the mask body pipe, a first joint first connecting pipe, a first joint second connecting pipe and a first joint third connecting pipe are arranged on the first ventilation joint pipe, and the first joint first connecting pipe, the first joint second connecting pipe and the first joint third connecting pipe are all communicated with the first ventilation joint pipe.

The laryngeal mask air joint comprises a laryngeal mask air second joint which can be in adaptive connection with the sealing connecting pipe;

the laryngeal mask ventilation second joint comprises a ventilation second joint pipe which can be matched with the sealing connecting pipe, a second joint high-low frequency ventilation part, a second joint state monitoring connecting part and a second joint mechanical ventilation pipe which can be used for mechanical ventilation are arranged on the side part of the ventilation second joint, the second joint mechanical ventilation pipe is communicated with the ventilation second joint pipe, a joint pipe end cap is further arranged at the end part of the ventilation second joint pipe, a plurality of operation positioning holes allowing surgical instruments are arranged on the joint pipe end cap, and the surgical instruments placed in the joint pipe end cap can sequentially pass through the laryngeal mask ventilation second joint and the sealing connecting pipe and then enter the mask body.

The high-low frequency ventilation part and the second joint state monitoring connecting part of the second joint are respectively positioned at two corresponding sides of the second joint for ventilation of the laryngeal mask, and the mechanical ventilation pipe of the second joint is positioned between the high-low frequency ventilation part of the second joint and the second joint state monitoring connecting part;

the second joint high-low frequency ventilation part comprises a second joint high-low frequency ventilation pipe which is in adaptive connection with the laryngeal mask ventilation second joint, a high-low frequency ventilation transition part which is connected with the second joint high-low frequency ventilation pipe, and a ventilation output part which is connected with the high-low frequency ventilation transition part;

the second joint high-low frequency vent pipe is communicated with a first air outlet of the output part in the ventilation output part through a first air vent of the transition part in the high-low frequency ventilation transition part, and the second joint high-low frequency vent pipe is communicated with a second air outlet of the output part in the ventilation output part through a second air vent of the transition part in the high-low frequency ventilation transition part.

The transition part first vent hole and the transition part second vent hole are distributed in the high-low frequency ventilation transition part in an inclined manner, and the length directions corresponding to the output part first air outlet hole and the output part second air outlet hole are consistent with the length direction of the laryngeal mask ventilation second joint;

the first output breather pipe is in adaptive connection with the first air outlet of the output part, the second output breather pipe is in adaptive connection with the second air outlet of the output part, a breather pipe containing sleeve capable of containing the first output breather pipe and the second output breather pipe is arranged on the inner wall of the sealing connecting pipe, and the first output breather pipe and the second output breather pipe can be contained in one side of the sealing connecting pipe through the breather pipe containing sleeve.

The sealing device further comprises a sealing cap mechanism, the sealing cap mechanism comprises a plurality of sealing cap bodies, and the second joint high-low frequency ventilation portion, the second joint state monitoring connecting portion, the second joint mechanical ventilation portion and/or the operation positioning hole can be sealed through the corresponding sealing cap bodies.

The mask body tube comprises a first mask body connecting tube and a second mask body connecting tube which are in adaptive connection with the mask body, an operation hollow-out area which penetrates through the mask body is arranged on the mask body, the operation hollow-out area is arranged at one end, close to the laryngeal mask air connector, of the mask body, and the operation hollow-out area is arranged between the first mask body connecting tube and the second mask body connecting tube;

the first connecting pipe of the mask body and one end, which is correspondingly far away from the mask body, of the second connecting pipe of the mask body are connected through an oral cavity distractor, and the laryngeal mask air connector is in adaptive connection with the end part, which is relatively far away from the mask body, of the first connecting pipe of the mask body and/or the second connecting pipe of the mask body.

The mask comprises a mask body and is characterized by further comprising a tongue depressor which can be in adaptive connection with the first connecting pipe of the mask body and the second connecting pipe of the mask body, the tongue depressor corresponds to the opening of the mask body, one end of the tongue depressor extends into the cavity of the mask body through the operation hollow area, and the other end of the tongue depressor is adjacent to the oral cavity distractor.

The oral cavity distractor comprises a distraction connecting bottom plate which can be in adaptive connection with a first connecting pipe of the cover body and a second connecting pipe of the cover body, an oral cavity distraction rod with adjustable length is arranged on the distraction connecting bottom plate, and an oral cavity distraction plate is arranged at the end part of the oral cavity distraction rod.

The cover body comprises an inflatable cover body air bag and a cover body air bag inflation and deflation connecting pipe which is in adaptive connection with the cover body air bag, one end of the cover body air bag inflation and deflation connecting pipe is connected and communicated with the cover body air bag, and the other end of the cover body air bag inflation and deflation connecting pipe is connected with an air bag sealing valve.

The invention has the advantages that: the laryngeal mask body comprises a mask body and a mask body tube, ventilation of the laryngeal mask can be achieved through cooperation of the mask body and the mask body tube, the laryngeal mask ventilation joint is arranged at the end of the mask body tube, high-frequency ventilation needs can be achieved through the laryngeal mask ventilation joint, the specific form of the laryngeal mask ventilation joint is adopted, or the mask body tube and the mask body are matched, the high-frequency ventilation process can be achieved, needed operation needs can be achieved, convenience and adaptability in use are improved, and safety and reliability are achieved.

Drawings

Fig. 1 is a schematic diagram of a first embodiment of the present invention.

Fig. 2 is a schematic diagram of a second embodiment of the present invention.

Figure 3 is a perspective view of a second laryngeal mask airway adapter of the present invention mated with an adapter tube end cap.

Figure 4 is a schematic diagram of the structure of a second connector for laryngeal mask ventilation in accordance with the invention.

Figure 5 is a perspective view of a second connector for laryngeal mask ventilation in accordance with the present invention.

Figure 6 is a cross-sectional view of a second connector for laryngeal mask ventilation in accordance with the invention.

Fig. 7 is a schematic view of the sealing connection tube of the present invention.

Fig. 8 is a partial enlarged view of a in fig. 7.

Fig. 9 is a schematic view of a third embodiment of the present invention.

Fig. 10 is a schematic view of the tongue depressor in fig. 9 being matched with the first connecting tube of the mask body and the second connecting tube of the mask body.

Fig. 11 is a perspective view of a third embodiment of the present invention.

Fig. 12 is a schematic view of a third embodiment of the present invention.

Figure 13 is a schematic view of a fourth joint for laryngeal mask ventilation in accordance with the invention.

Figure 14 is a cross-sectional view of a fourth connector for laryngeal mask ventilation in accordance with the invention.

Fig. 15 is a perspective view of a fourth embodiment of the present invention.

Fig. 16 is a schematic structural diagram of a fourth embodiment of the present invention.

Fig. 17 is a perspective view of the oral distractor of the present invention.

FIG. 18 is a cross-sectional view of the oral distractor of the present invention.

FIG. 19 is a schematic view of an adjustment knob according to the present invention.

FIG. 20 is a schematic view of a rotational interface of the present invention.

FIG. 21 is a schematic view of an oral cavity opening bar of the present invention.

Fig. 22 is a schematic view of the oral distractor of the present invention with the adjustment knob removed.

Description of reference numerals: 1-cover body, 2-sealing connecting pipe, 3-cover body air bag inflation and deflation connecting pipe, 4-air bag sealing valve, 5-laryngeal mask ventilation first joint, 6-joint handle, 7-first joint mechanical ventilation pipe, 8-first joint first connecting pipe, 9-first joint second connecting pipe, 10-first joint third connecting pipe, 11-laryngeal mask ventilation second joint, 12-second joint mechanical ventilation pipe, 13-second joint high and low frequency ventilation pipe, 14-joint pipe end cap, 15-operation positioning first hole, 16-operation positioning second hole, 17-operation positioning third hole, 18-state monitoring pipe, 19-joint limiting ring, 20-second joint first ventilation hose, 21-second joint second ventilation hose, 22-second joint first monitoring hose, 23-a second joint second monitoring hose, 24-an end cap handle, 25-a high-frequency ventilation sealing plug, 26-a state monitoring sealing plug, 27-an operation hole sealing plug line body, 28-an operation hole sealing plug, 29-a ventilation output part, 30-a high-low frequency ventilation transition part, 31-a second joint inner cavity, 32-a state monitoring transition part, 33-a second joint handle, 34-a monitoring connection part, 35-a monitoring first connection hole, 36-a monitoring second connection hole, 37-a transition part first ventilation hole, 38-a transition part second ventilation hole, 39-a ventilation pipe containing sleeve, 40-a sleeve body gap, 41-a cover body first connection pipe, 42-a cover body second connection pipe, 43-a throat cover ventilation third joint, 44-a throat cover monitoring joint, 45-an oral cavity distractor, 46-tongue depressor, 47-distraction connection base plate, 48-adjustment knob, 49-oral cavity distraction plate, 50-rotation connector, 51-operation hollowed-out area, 52-connection pipe sleeve, 53-distraction plate limiting block, 54-adjustment handle, 55-base plate limiting positioning block, 56-laryngeal mask ventilation fourth joint, 57-fourth joint high and low frequency ventilation pipe, 58-fourth joint state monitoring pipe, 59-fourth joint friction increasing part, 60-connection pipe sleeve locking body, 61-fourth joint first connecting pipe, 62-fourth joint second connecting pipe, 63-fourth joint first ventilation hose, 64-fourth joint second ventilation hose, 65-fourth joint first monitoring hose, 66-fourth joint second monitoring hose, 67-fourth joint first ventilation transition hole, 68-fourth joint second vent transition hole, 69-fourth joint first monitoring transition hole, 70-fourth joint second monitoring transition hole, 71-oral cavity spreading rod, 72-adjusting rod body sleeve, 73-adjusting knob raised line, 74-adjusting knob locking groove, 75-adjusting knob positioning groove, 76-rotating connector gap, 77-rotating connecting ring, 78-strut positioning block, 79-rotating first inner locking block, 80-rotating second inner locking block, 81-strut external thread, 82-spreading inner guiding groove, 83-vent second joint pipe, 84-monitoring transition first vent hole, 85-monitoring transition second vent hole, 86-second joint state monitoring connecting pipe, 87-adjusting knob connecting sleeve, 88-adjusting knob connecting sleeve ring groove, 89-vent first joint seal cap, 90-vent first joint seal cap operating port, 91-vent first joint seal cap operating port sealing plug, and 92-vent first joint seal cap operating port sealing plug wiring.

Detailed Description

The invention is further illustrated by the following specific figures and examples.

In order to meet the requirement of high-frequency ventilation, the laryngeal mask comprises a laryngeal mask body, wherein the laryngeal mask body comprises a mask body 1 capable of covering oral mucosa around the glottis and a mask body pipe which is in adaptive connection with the mask body 1, a laryngeal mask ventilation joint which can be in adaptive connection with the mask body pipe is arranged at the end part of the mask body pipe, and the required high-frequency ventilation can be carried out by matching the laryngeal mask ventilation joint with the laryngeal mask body.

Specifically, the laryngeal mask body comprises a mask body 1 and a mask body tube, the laryngeal mask body generally needs to be made of materials meeting medical standards, mucous membranes of oral cavities around the glottis can be covered by the mask body 1, the mask body tube is communicated with the mask body 1, ventilated gas can be fed into the mask body 1 through the mask body tube, and the discharge of the gas after breathing can also be realized, and the mode that the mask body tube is matched with the mask body 1 to form the laryngeal mask body and the mode that the laryngeal mask body is used for breathing support are consistent with the prior art, and are particularly well known by people in the technical field. In the embodiment of the invention, the end part of the cover body pipe is provided with the laryngeal mask ventilation joint, the laryngeal mask ventilation joint is arranged at the end part of the cover body pipe far away from the cover body 1, the laryngeal mask ventilation joint can be used for realizing matching connection with equipment such as a breathing machine, and the laryngeal mask ventilation joint can be communicated with the cover body 1 through the cover body pipe. When the high-frequency ventilation device is specifically implemented, the required high-frequency ventilation can be carried out by matching the laryngeal mask ventilation connector with the laryngeal mask body, and the high-frequency ventilation specifically realizes the jet of airflow, namely the high-frequency ventilation requirement under the laryngeal mask.

In specific implementation, different matching forms can be adopted between the mask body tube and the mask body 1, and when the mask body tube and the mask body 1 adopt different matching forms, the laryngeal mask airway connector also has different implementation structures, and specific conditions are specifically described in detail below.

As shown in fig. 1, which is a schematic view of a first embodiment of the present invention, in particular, a laryngeal mask airway adapter includes a laryngeal mask airway first adapter 5 that is adapted to connect with a mask body tube;

the first laryngeal mask ventilation connector 5 comprises a first ventilation connector pipe which can be in adaptive connection with the mask body pipe, a first connector first connecting pipe 8, a first connector second connecting pipe 9 and a first connector third connecting pipe 10 are arranged on the first ventilation connector pipe, and the first connector first connecting pipe 8, the first connector second connecting pipe 9 and the first connector third connecting pipe 10 are all communicated with the first ventilation connector pipe.

In fig. 1, the mask body tube is a sealed connecting tube 2, that is, the sealed connecting tube 2 and the mask body 1 are in a sealed connection mode, and at this time, the laryngeal mask airway connector is a laryngeal mask airway first connector 5. When the laryngeal mask airway connector is a laryngeal mask airway first connector 5, a first connector first connecting pipe 8, a first connector second connecting pipe 9 and a first connector third connecting pipe 10 are arranged on the side face of the airway first connector pipe, wherein the first connector first connecting pipe 8, the first connector second connecting pipe 9 and the first connector third connecting pipe 10 are parallel to each other, the first connector first connecting pipe 8, the first connector second connecting pipe 9 and the first connector third connecting pipe 10 can be connected with connectors corresponding to a breathing machine, after the first connector first connecting pipe 8, the first connector second connecting pipe 9 and the first connector third connecting pipe 10 are connected with the breathing machine in an adaptive mode, high-frequency airway ventilation can be achieved, and in addition, humidification and other effects in the high-frequency airway ventilation can be achieved.

The first joint first connecting pipe 8, the first joint second connecting pipe 9 and the first joint third connecting pipe 10 are communicated with a ventilation first joint pipe which can be adapted to the sealing connection pipe 2, and generally, the ventilation first joint pipe can be inserted into the sealing connection pipe 2. The first connector first connecting pipe 8, the first connector second connecting pipe 9 and the first connector third connecting pipe 10 are specifically distributed in a form and positions capable of being in adaptive connection with a breathing machine. The first joint pipe of the ventilation is also provided with a joint handle 6, and the first joint 5 of the laryngeal mask ventilation can be conveniently held by the joint handle 6.

In order to facilitate the operation, a ventilation first joint sealing cap 89 is further arranged at the end of the ventilation first joint, and a ventilation first joint sealing cap operation hole 90 allowing the operation is arranged on the ventilation first joint sealing cap 89, that is, in the ventilation process, the instrument for the operation can enter the sealing connection pipe 2 through the ventilation first joint sealing cap operation hole 90 to realize the operation of the operation, the specific type of the surgical instrument can be selected as required, and the description is omitted here. Of course, it is also possible to have a mechanical venting connection adapted to the venting first connection, by means of which the need for mechanical venting can be achieved. And the sealing plug 91 can seal the operation hole 90 of the ventilated first joint sealing cap, and the sealing plug 91 is detachably connected with the operation hole 90 of the ventilated first joint sealing cap. The vent first joint seal cap operating hole sealing plug 91 can be connected with the vent first joint seal cap 90 through a vent first joint seal cap operating hole sealing plug connecting line 92, so that the loss of the vent first joint seal cap operating hole sealing plug 91 is avoided.

As shown in fig. 2, the second embodiment of the present invention is schematically illustrated, wherein the mask body tube comprises a sealed connecting tube 2 capable of being hermetically connected with the mask body 1, and the laryngeal mask airway connector comprises a laryngeal mask airway second connector 11 capable of being adaptively connected with the sealed connecting tube 2;

the laryngeal mask ventilation second joint 11 comprises a ventilation second joint pipe 83 which can be matched with the sealing connecting pipe 2, a second joint high-low frequency ventilation part, a second joint state monitoring connecting part and a second joint mechanical ventilation pipe 12 which can be used for mechanical ventilation are arranged on the side part of the ventilation second joint pipe 83, the second joint mechanical ventilation pipe 12 is communicated with the ventilation second joint pipe 83, a joint pipe end cap 14 is further arranged at the end part of the ventilation second joint pipe 83, a plurality of operation positioning holes allowing surgical instruments are formed in the joint pipe end cap 14, and the surgical instruments placed in the operation positioning holes can sequentially pass through the laryngeal mask ventilation second joint 11 and the sealing connecting pipe 2 and then enter the mask body 1.

Similarly to the case of fig. 1, the mask body tube is also a sealing connection tube 2 which is sealingly connected to the mask body 1, but the laryngeal mask airway connector provided at the end of the sealing connection tube 2 is a laryngeal mask airway second connector 11. The second laryngeal mask airway connector 11 includes an airway second connector pipe 83, and the airway second connector pipe 83 can be generally embedded in the sealed connection pipe 2, that is, the second airway connector pipe 83 and the sealed connection pipe 2 are in adaptive connection.

And a second joint high-low frequency ventilation part, a second joint state monitoring connection part and a second joint mechanical ventilation pipe 12 are arranged on the side part of the ventilation second joint pipe 83, wherein the second joint mechanical ventilation pipe 12 can be directly communicated with the ventilation second joint pipe 83, and the second joint high-low frequency ventilation part and the second joint state monitoring connection part are not directly communicated with the ventilation second joint pipe 83. The two ends of the second ventilating joint pipe 83 are opened, a joint pipe end cap 14 is arranged at the end part of the second ventilating joint pipe 83 far away from the sealing connection pipe 2, and the joint pipe end cap 14 is matched with the end part of the second ventilating joint pipe 83. The joint pipe end cap 14 is provided with a plurality of operation positioning holes which penetrate through the joint pipe end cap 14, so that surgical instruments placed in through the operation positioning holes can sequentially pass through the laryngeal mask ventilation second joint 11 and the sealing connecting pipe 2 and then enter the mask body 1.

In the embodiment of the invention, the high-low frequency ventilation part of the second joint can realize the connection with the breathing machine, the high-low frequency ventilation is realized after the connection, the state monitoring of the ventilation by the laryngeal mask can be realized by the state monitoring connection part of the second joint, and the mechanical ventilation can be realized by the mechanical ventilation pipe 12 of the second joint. Generally, mechanical ventilation may be achieved through the second connector mechanical ventilation tube 12, or the desired high/low frequency ventilation may be achieved through the second connector high/low frequency ventilation. The state monitoring that specifically realizes through second joint state monitoring connecting portion includes the atmospheric pressure monitoring in the expired gas and the carbon dioxide content monitoring in the expired gas, and of course, the content of specific state monitoring can be selected according to actual need, and this is no longer repeated here.

As shown in fig. 3, 4, 5 and 6, the second joint high and low frequency ventilation part and the second joint state monitoring connection part are respectively located at two corresponding sides of the laryngeal mask ventilation second joint 11, and the second joint mechanical ventilation pipe 12 is located between the second joint high and low frequency ventilation part and the second joint state monitoring connection part;

the second joint high-low frequency ventilation part comprises a second joint high-low frequency ventilation pipe 13 which is in adaptive connection with the laryngeal mask ventilation second joint 11, a high-low frequency ventilation transition part 30 which is connected with the second joint high-low frequency ventilation pipe 13, and a ventilation output part 29 which is connected with the high-low frequency ventilation transition part 30;

the second joint high-low frequency vent pipe 13 is communicated with a first outlet hole of an output part in the vent output part 29 through a first vent hole 37 of a transition part in the high-low frequency vent transition part 30, and the second joint high-low frequency vent pipe 13 is communicated with a second outlet hole of the output part in the vent output part 29 through a second vent hole 38 of the transition part in the high-low frequency vent transition part 30.

In the embodiment of the invention, the second joint high-low frequency ventilation part and the second joint state monitoring connection part are respectively positioned at two corresponding sides of the laryngeal mask ventilation second joint 11, the second joint mechanical ventilation pipe 12 is positioned at the second joint high-low frequency ventilation part and the second joint state monitoring connection part, and the length direction of the second joint mechanical ventilation pipe 12 is vertical to the length direction of the ventilation second joint pipe 83.

The second joint high and low frequency ventilation unit includes a second joint high and low frequency ventilation pipe 13, a high and low frequency ventilation transition part 30, and a ventilation output part 29, wherein the length direction of the second joint high and low frequency ventilation pipe 13 is perpendicular to the length direction of the ventilation second joint pipe 83, or may be perpendicular to the length direction of the second joint mechanical ventilation pipe 12. The high-low frequency ventilation transition part 30 is connected with the second joint high-low frequency ventilation pipe 13 and the ventilation output part 29, and the second joint high-low frequency ventilation pipe 13, the high-low frequency ventilation transition part 30 and the ventilation output part 29 are all connected with the outer wall of the ventilation second joint pipe 83, but are not directly communicated with the second joint inner cavity 31 in the ventilation second joint pipe 83.

In specific implementation, the ventilation second joint pipe 83 is provided with the joint limiting ring 19, the joint limiting ring 19 is annular on the ventilation second joint pipe 83, and the connection limiting between the ventilation second joint pipe 83 and the sealing connecting pipe 2 can be realized by utilizing the joint limiting ring 19. The second joint high-low frequency ventilation pipe 13 and the high-frequency ventilation transition part 30 are all positioned on one side of the joint limiting ring 19, the ventilation output part 29 is positioned on the other side of the joint limiting ring 19, and the length direction of the ventilation output part 29 is consistent with the length direction of the ventilation second joint pipe 83.

In the embodiment of the present invention, the high-low frequency ventilation transition portion 30 is provided with the transition portion first ventilation hole 37 and the transition portion second ventilation hole 38, and the ventilation output portion 29 is provided with the output portion first ventilation hole and the output portion second ventilation hole, wherein the transition portion first ventilation hole 37 corresponds to the output portion first ventilation hole, and the transition portion second ventilation hole 38 corresponds to the output portion second ventilation hole, so that the second joint high-low frequency ventilation pipe 13 communicates with the output portion first ventilation hole in the ventilation output portion 29 through the transition portion first ventilation hole 37 in the high-low frequency ventilation transition portion 30, and the second joint high-low frequency ventilation pipe 13 communicates with the output portion second ventilation hole in the ventilation output portion 29 through the transition portion second ventilation hole 38 in the high-low frequency ventilation transition portion 30.

When the second joint high-low frequency breather pipe 13 is connected with the breathing machine in an adaptive manner, gas entering the second joint high-low frequency breather pipe 13 can enter the first air outlet of the output part through the first air vent 37 of the transition part to be sprayed through the first air outlet of the output part, or enter the second air outlet of the output part through the second air vent 38 of the transition part to be sprayed, so that the purpose of high-frequency ventilation is achieved.

Furthermore, the transition portion first vent hole 37 and the transition portion second vent hole 38 are distributed in the high-low frequency ventilation transition portion 30 in an inclined manner, and the length directions corresponding to the output portion first outlet hole and the output portion second outlet hole are consistent with the length direction of the laryngeal mask ventilation second joint 11;

the first output breather pipe 20 in adaptive connection with the first air outlet of the output part and the second output breather pipe 21 in adaptive connection with the second air outlet of the output part are further included, a breather pipe containing sleeve 39 capable of containing the first output breather pipe 20 and the second output breather pipe 21 is arranged on the inner wall of the sealing connecting pipe 2, and the first output breather pipe 20 and the second output breather pipe 21 can be contained on one side of the sealing connecting pipe 2 through the breather pipe containing sleeve 39.

In the embodiment of the present invention, the transition portion first vent hole 37 and the transition portion second vent hole 38 are distributed in the high-low frequency ventilation transition portion 30 in an inclined manner, and the length directions corresponding to the output portion first outlet hole and the output portion second outlet hole are consistent with the length direction of the laryngeal mask ventilation second joint 11. In order to send the ejected air flow into the cover body 1, the first output vent pipe 20 is connected with the first air outlet of the output part in an adaptive manner, the second output vent pipe 21 is connected with the second air outlet of the output part in an adaptive manner, and the first output vent pipe 20 and the second output vent pipe 21 can specifically adopt common medical hoses. After the first output vent pipe 20 is in adaptive connection with the first air outlet of the output part and the second output vent pipe 21 is in adaptive connection with the second air outlet of the output part, the first output vent pipe 20 and the second output vent pipe 21 are close to the inner cavity of the cover body 1 in the sealing connection pipe 2, and the positions of the first output vent pipe 20 and the second output vent pipe 21 close to the inner cavity of the cover body 1 are different.

In order to accommodate the first output snorkel 20 and the second output snorkel 21, a snorkel accommodating sleeve 39 is provided on the inner wall of the seal connection pipe 2, the snorkel accommodating sleeves 39 are distributed along the length direction of the inner wall of the seal connection pipe 2, and a sleeve body slit 40 is provided on the side of the snorkel accommodating sleeve 39, as shown in fig. 7 and 8. The first output breather pipe 20 and the second output breather pipe 21 can be placed in the breather pipe containing sleeve 39 through the sleeve body gap 40, so that the first output breather pipe 20 and the second output breather pipe 21 are prevented from being wound, and the stability and the reliability during high-frequency ventilation are improved.

The second joint state monitoring connection unit specifically includes a second joint state monitoring connection pipe 86 connected to the second ventilation joint pipe 83, a state monitoring transition unit 32 connected to the second joint state monitoring connection pipe 86, and a monitoring connection unit 34 connected to the state monitoring transition unit 32, and the length direction of the second joint state monitoring connection pipe 86 is perpendicular to the length direction of the second ventilation joint pipe 83. The second joint condition monitoring connection 86 may be disposed coaxially with the second joint high and low frequency ventilation tube 13. For the specific coordination among the second joint state monitoring connection pipe 86, the state detection transition part 32 and the monitoring connection part 34, reference may be made to the above description of the specific coordination among the second joint high-low frequency ventilation pipe 13, the high-low frequency ventilation transition part 30 and the ventilation output part 29, and further description thereof is omitted here.

As can be seen from the above description, the monitoring transition first ventilation hole 84 and the monitoring transition second ventilation hole 85 are provided in the state monitoring transition portion 32, and the monitoring transition first ventilation hole 84 and the monitoring transition second ventilation hole 85 are distributed in an inclined manner in the state monitoring transition portion 32. A monitoring first connection hole 35 and a monitoring second connection hole 36 are provided in the monitoring connection portion 34. The first vent hole 84 for monitoring transition is correspondingly communicated with the first connecting hole 35 for monitoring, and the second vent hole 85 for monitoring transition is correspondingly communicated with the second connecting hole 36 for monitoring, so that the second joint state monitoring connecting pipe 86 can be respectively communicated with the first connecting hole 35 for monitoring and the second connecting hole 35 for monitoring.

Certainly, in order to realize the monitoring effectively, still include the first monitoring hose 22 of second joint and second monitoring hose 23 of second joint, can correspond with monitoring first connecting hole 35 through the first monitoring hose 22 of second joint, can correspond with monitoring second connecting hole 36 through second joint second monitoring hose 23 and be connected. In order to accommodate the second joint first monitoring hose 22 and the second joint second monitoring hose 23, the ventilation pipe accommodating sleeves 39 are symmetrically arranged in the sealing connection pipe 2, and the second joint first monitoring hose 22 and the second joint second monitoring hose 23 can be accommodated in the ventilation pipe accommodating sleeves 39 on the corresponding sides. The respective ends of the first and second monitoring hoses 22, 23 are adjacent to the internal cavity of the mask body 1 after being received in the vent tube receiving sleeve 39. The positions of the first monitoring hose 22 of the second joint and the second monitoring hose 23 of the second joint, which are close to the inner cavity of the cover body 1, are different, and the monitoring of the air pressure and the gas composition can be respectively realized through the matching of the first monitoring Fuan tube 22 of the second joint, the second monitoring hose 23 of the second joint and the state monitoring connecting tube 86 of the second joint.

In fig. 3, three operation positioning holes are provided in the joint end cap 14, which respectively position the first hole 15, the second hole 16 and the third hole 17 for operation, and the surgical instruments which can allow operation through the operation positioning of the first hole 15, the operation positioning of the second hole 16 and the operation positioning of the third hole 17 may include bronchoscopes, gastroscopes, etc., and the types of the specific surgical instruments may be selected as required. Of course, different numbers of operation positioning holes may be disposed on the connector tube end cap 14, and the specific number may be determined according to the need and the actual type of surgical instrument, and will not be described herein again.

And further, the sealing cap mechanism comprises a plurality of sealing cap bodies, and the sealing cap bodies can seal the second joint high-low frequency ventilation part, the second joint state monitoring connecting part, the second joint mechanical ventilation part 12 and/or the operation positioning hole through the corresponding sealing cap bodies.

In the embodiment of the invention, the corresponding use state of the second joint 11 for laryngeal mask ventilation can be selected through the cap sealing mechanism. Specifically, the sealing cap body comprises a high-frequency ventilation sealing plug 25 and a state monitoring sealing plug 26, the high-frequency ventilation sealing plug 25 can plug the second joint high-low frequency vent pipe 13, and the state monitoring sealing plug 26 can plug the second joint state monitoring connecting pipe 86, wherein the high-frequency ventilation sealing plug 25 is detachably connected with the second joint high-low frequency vent pipe 13, and the state monitoring sealing plug 26 is detachably connected with the second joint state monitoring connecting pipe 86. In addition, three operation hole sealing plugs 28 are arranged on the joint pipe end cap 14, the operation hole sealing plugs 28 are arranged on the joint pipe end cap 14 through operation hole sealing plug wire bodies 27, and operation positioning holes in the joint pipe end cap 14 can be respectively sealed through the operation hole sealing plugs 28.

In addition, an end cap handle 24 is further provided on the operation tube end cap 14, the operation tube end cap 14 can be detachably connected with the ventilation second joint pipe 83, and the operation tube end cap 14 can be conveniently operated through the end cap handle 24. Further, a second joint handle 33 is provided on the ventilation second joint pipe 83.

In specific implementation, the ventilation second joint pipe 83 can be embedded in the sealing connection pipe 2, and after the ventilation second joint pipe 83 is embedded in the sealing connection pipe 2, the ventilation output part 29 and the monitoring connection part 34 can be aligned with each other by the ventilation pipe housing sleeve 39 in the sealing connection pipe 2, so that the ventilation pipe housing sleeve 39 can be used to achieve the required housing.

Further, the mask body tube comprises a mask body first connecting tube 41 and a mask body second connecting tube 42 which are in adaptive connection with the mask body 1, an operation hollow-out area 51 which penetrates through the mask body 1 is arranged on the mask body 1, the operation hollow-out area 51 is arranged at one end, close to the laryngeal mask air connector, of the mask body 1, and the operation hollow-out area 51 is located between the mask body first connecting tube 41 and the mask body second connecting tube 42;

the first connecting pipe 41 of the mask body and one end, correspondingly far away from the mask body 1, of the second connecting pipe 42 of the mask body are connected through an oral cavity distractor 45, and the laryngeal mask ventilation joint is in adaptive connection with the end part, relatively far away from the mask body 1, of the first connecting pipe 41 of the mask body and/or the second connecting pipe 42 of the mask body.

In specific implementation, the cover body tube matched with the cover body 1 may further include a cover body first connecting tube 41 and a cover body second connecting tube 42, the cover body first connecting tube 41 and the cover body second connecting tube 42 are independent from each other, and the cover body first connecting tube 41 and the cover body second connecting tube 42 may be respectively communicated with the cover body 1. The surgical operation hollowed-out area 51 is arranged on the mask body 1, the surgical operation hollowed-out area 51 penetrates through the mask body 1, the surgical operation hollowed-out area 51 is arranged at one end, close to the laryngeal mask ventilation joint, of the mask body 1, the surgical operation hollowed-out area 51 is located between the mask body first connecting pipe 41 and the mask body second connecting pipe 42, a space allowing surgical operation is formed between the mask body first connecting pipe 41 and the mask body second connecting pipe 42, and surgical instruments can enter the inner cavity of the mask body 1 through the surgical operation hollowed-out area 51 so as to perform required surgical operation.

In order to improve the stability of use, the oral cavity distracter 45 can be connected between the first cover connecting tube 41 and the second cover connecting tube 42, and the oral cavity distracter 45 can distract the oral cavity to avoid the oral cavity from pressing the first cover connecting tube 41 and the second cover connecting tube 42, as shown in fig. 9, 10, 11, 12, 15 and 16. Since the mask body first connecting tube 41 and the mask body second connecting tube 42 are independent of each other, the laryngeal mask airway connector is connected to the mask body first connecting tube 41 and/or the mask body second connecting tube 42 to achieve high frequency ventilation.

The specific form of the engagement between the laryngeal mask airway connector and the mask body first connection tube 41 and mask body second connection tube 42 will be described in detail below.

As shown in fig. 9, the mask body 1 is connected with the mask body first connecting tube 41 and the mask body second connecting tube 42 in a fitting manner, and both the mask body first connecting tube 41 and the mask body second connecting tube 42 are connected with the oral cavity distracter 45. The end part of the first laryngeal mask connecting pipe 41 is further provided with a laryngeal mask ventilation third connector 43, the end part of the second laryngeal mask connecting pipe 42 is provided with a laryngeal mask monitoring connector 44, the purpose of high-frequency ventilation can be achieved by matching the laryngeal mask ventilation third connector 43 with the first mask connecting pipe 41 and the mask body 1, and monitoring in breathing can be achieved by matching the laryngeal mask monitoring connector 44 with the second mask connecting pipe 42 and the mask body 1, so that monitoring on air pressure and/or carbon dioxide components can be achieved. The third laryngeal mask airway connector 43 may adopt the above structural form capable of realizing high-frequency airway, and the laryngeal mask airway monitoring connector 44 may adopt the above form capable of realizing state detection, which may be specifically selected as required and will not be described herein again.

In fig. 9, the first housing connecting tube 41 and the second housing connecting tube 42 are spaced apart from each other, so that the surgical instrument can be positioned between the first housing connecting tube 41 and the second housing connecting tube 42 and inserted into the housing 1 through the surgical operation hollow area 51 to perform the desired surgical operation.

As shown in fig. 10 and 11, compared with the implementation structure in fig. 9, the mask further includes a tongue depressor 46 capable of being connected to the first connecting tube 41 and the second connecting tube 42 of the mask body in a fitting manner, and the tongue depressor 46 corresponds to the opening of the mask body 1, one end of the tongue depressor 46 extends into the cavity of the mask 1 through the hollow area 51 of the operation, and the other end of the tongue depressor 46 is adjacent to the oral cavity distractor 45.

In the embodiment of the invention, the tongue depressor 46 is arc-shaped and can be matched with the first connecting pipe 41 of the mask body and the second connecting pipe 42 of the mask body, when the mask body 1 is used for covering the oral mucosa around the glottis, the tongue depressor 46 can be matched with the tongue, so that the situation that the tongue influences the placement of the mask body 1 and influences the ventilation of the laryngeal mask is avoided, and the efficiency of placing the laryngeal mask body can be improved. After the tongue depressor 46 is connected with the first connecting tube 41 and the second connecting tube 42, the specific operation performed through the operation hollow area 51 will not be affected.

As shown in fig. 12, the laryngeal mask airway connector is a laryngeal mask airway fourth connector that can be mated simultaneously with the laryngeal mask first connector 41 and the laryngeal mask second connector 42, as compared to the embodiments of fig. 9-11.

Referring to fig. 13 and 14, an embodiment of the fourth joint of laryngeal mask airway is shown, wherein the fourth joint 56 of laryngeal mask airway includes a fourth joint high and low frequency ventilation tube 57 and a fourth joint state monitoring tube 58, but the fourth joint high and low frequency ventilation tube 57 is not in communication with the fourth joint state monitoring tube 58. A fourth joint friction increasing part 59 is arranged on the fourth joint 56 of the laryngeal mask airway, the fourth joint friction increasing part 59 can be in a groove structure or a convex point form, so that the friction force for holding the fourth joint 56 of the laryngeal mask airway can be increased, and the fourth joint friction increasing part 59 is shown in a groove form in fig. 13.

In order to realize the matching with the cover body first connecting pipe 41 and the cover body second connecting pipe 42, the high-low-frequency ventilation device further comprises a fourth joint first connecting pipe 61 and a fourth joint second connecting pipe 62, wherein the fourth joint first connecting pipe 61 is correspondingly communicated with the fourth joint high-low-frequency ventilation joint 57, and the fourth joint second connecting pipe 62 is communicated with the fourth joint state monitoring pipe 58. The specific form of the fourth joint high-low frequency ventilation pipe 57 is based on the adaptive connection with the breathing machine, the fourth joint high-low frequency ventilation pipe 57 may be in the same form as the second joint high-low frequency ventilation pipe 13, and the fourth joint state monitoring pipe 58 may be in the same form as the second joint state monitoring connecting pipe 86, and may be specifically determined according to actual needs, and details are not repeated here.

A fourth joint first ventilation transition hole 67 and a fourth joint second ventilation transition hole 68 are arranged in the fourth joint first connecting pipe 61, the fourth joint first ventilation transition hole 67 and the fourth joint second ventilation transition hole 68 are communicated with the fourth joint high-low frequency ventilation pipe 57, a fourth joint first monitoring transition hole 69 and a fourth joint second monitoring transition hole 70 are arranged in the fourth joint second connecting pipe 62, and the fourth joint first monitoring transition hole 69 and the fourth joint second monitoring transition hole 70 are communicated with the fourth joint state monitoring pipe 58.

In order to improve the reliability of ventilation and monitoring, the fourth joint first ventilation hose 63 and the fourth joint second ventilation hose 64 can be respectively and adaptively connected with a fourth joint first ventilation transition hole 67 and a fourth joint second ventilation transition hole 68 in the fourth joint first connecting pipe 61; meanwhile, the fourth joint first monitoring hose 65 and the fourth joint second monitoring hose 66 are respectively in adaptive connection with the fourth joint first monitoring transition hole 69 and the fourth joint second monitoring transition hole 70.

When the fourth laryngeal mask airway connector 56 is mated with the first mask body conduit 41 and the second mask body conduit 42, the fourth connector first conduit 61 can be embedded within the first mask body conduit 41 and the fourth connector second conduit 62 can be embedded within the second mask body conduit 42. The high-frequency ventilation gas can be more stably sent into the cover body 1 through the fourth joint first ventilation hose 63 and the fourth joint second ventilation hose 64, and the monitoring and analysis of the gas in the cover body 1 can be more stably realized through the fourth joint first monitoring hose 65 and the fourth joint second monitoring hose 66.

As shown in fig. 15 and 16, which are schematic views of a fourth embodiment of the present invention, only when the mask body first connection 41 or the mask body second connection 42 is connected to the first laryngeal mask airway connector 5, that is, when the laryngeal mask airway connector may be the first laryngeal mask airway connector 5, when the first laryngeal mask airway connector 5 is connected to the mask body first connection 41, the mask body second connection 42 is in an empty state, and when the first laryngeal mask airway connector 5 is connected to the mask body second connection 42, the mask body first connection 41 is in an empty state. The specific structure of the first laryngeal mask airway connector 5 can refer to the above description, and is not described in detail here. Oxygen absorption during ventilation or the like can be achieved by the first cover connecting tube 41 or the second cover connecting tube 42 in an empty state. In fig. 15 and 16, the cover second connecting tube 42 is shown in a state of being empty.

As shown in fig. 17 and 18, which are schematic views of an embodiment of the oral cavity distractor 45 of the present invention, specifically, the oral cavity distractor 45 includes a distraction connection bottom plate 47 that can be connected to the first cover connecting tube 41 and the second cover connecting tube 42 in a fitting manner, an oral cavity distraction plate 49 is disposed on one side of the distraction connection bottom plate 47, and a distance between the oral cavity distraction plate and the distraction connection bottom plate 47 is adjustable.

In the embodiment of the present invention, the distraction connection base plate 47 is a flat plate, and the distraction connection base plate 47 can be made of a flexible plate, such as a silicone plate. In order to realize the connection between the distraction connection base plate 47 and the cover body first connecting pipe 41 and the cover body second connecting pipe 42, the distraction connection base plate 47 is provided with two connecting pipe sleeves 52, and the two connecting pipe sleeves 52 can be respectively sleeved on the cover body first connecting pipe 41 and the cover body second connecting pipe 42, so that the distraction connection base plate 47 can be in adaptive connection with the cover body first connecting pipe 41 and the cover body second connecting pipe 42 through the connecting pipe sleeves 52. Each connecting pipe sleeve 52 is provided with a connecting pipe sleeve locking body 60, the connecting pipe sleeve locking body 60 can be a locking screw, and the first cover connecting pipe 41 and the second cover connecting pipe 42 can be locked with the corresponding connecting pipe sleeve 52 through the connecting pipe sleeve locking body 60. Of course, when the locking state of the sleeve lock body 60 is released, the positions of the sleeve 52 on the cover first connecting pipe 41 and the cover second connecting pipe 42 can be adjusted. In specific implementation, the connecting sleeve 52 and the connecting sleeve locking body 60 are respectively located at two corresponding sides of the expanding connection bottom plate 47.

The distraction connection base plate 47 is further provided with a base plate limit positioning block 55, the base plate limit positioning block 55 is convexly arranged on the distraction connection base plate 47, the base plate limit positioning block 55 is arc-shaped, the base plate limit positioning block 55 and the upper tooth part or the lower tooth part can be used for positioning and limiting, and the base plate limit positioning block 55 and the connecting sleeve 52 are respectively positioned at two sides of the distraction connection base plate 47. When the oral cavity is opened, the bottom plate limiting and positioning block 55 can be positioned between the lower lip and the lower tooth part or between the upper lip and the upper tooth part, so that the positioning and the limiting during the opening can be realized.

In the embodiment of the present invention, when the lower teeth portion is positioned by the bottom plate position-limiting positioning block 55, the oral cavity opening plate 49 can be engaged with the upper teeth portion, and when the upper teeth portion is positioned by the bottom plate position-limiting positioning block 55, the oral cavity opening plate 49 can be engaged with the lower teeth portion, and the oral cavity opening can be realized by adjusting the distance between the oral cavity opening plate 49 and the opening connecting bottom plate 47.

In specific implementation, the oral cavity opening plates 49 are symmetrically distributed, and the oral cavity opening plates 49 are located at the outer side of the connecting pipe sleeve 52. In order to adjust the position between the oral cavity opening plate 49 and the opening connecting bottom plate 47, the oral cavity opening plate 49 is located at one end of the oral cavity opening rod 71. An adjusting rod body sleeve 72 is arranged on the distraction connection base plate 47, and the adjusting rod body sleeve 72 and the connecting pipe sleeve 52 are positioned on the same side of the distraction connection base plate 47. The adjusting rod body sleeve 72 can be sleeved on the oral cavity opening rod 71, the oral cavity opening rod 71 can also be connected with the adjusting knob 48, the adjusting knob 48 and the oral cavity opening plate 49 are respectively located on two sides of the opening connection bottom plate 47, and the adjusting knob 48 is matched with the oral cavity opening rod 71 to adjust the distance between the oral cavity opening plate 49 and the opening connection bottom plate 47.

In the embodiment of the invention, after the adjusting rod body sleeve 72 is sleeved on the oral cavity opening rod 71, the length direction of the oral cavity opening rod 71 is vertical to the plane of the opening connection bottom plate 47. The adjusting knob 48 can rotate relative to the oral cavity opening rod 71, when the adjusting knob 48 rotates, the oral cavity opening rod 71 can be driven to move linearly, and after the oral cavity opening rod 71 moves, the oral cavity opening plate 49 at the end part of the oral cavity opening rod 71 and the opening connecting bottom plate 47 can change accordingly.

As shown in fig. 19, 20, and 21, the oral cavity opening bar 71 has a bar external thread 81, the opening external thread 81 is distributed along the longitudinal direction of the oral cavity opening bar 71, the oral cavity opening plate 49 is located at one end of the oral cavity opening bar 71, and the longitudinal direction of the oral cavity opening bar 71 is perpendicular to the plane of the oral cavity opening plate 49. An opening plate limiting block 53 is also convexly arranged on the oral cavity opening plate 49, and the opening plate limiting block 53 can be used for limiting when in opening. The oral cavity opening rod 71 is further provided with an opening inner guide groove 82, and the opening inner guide groove 82 is distributed along the length direction of the oral cavity opening rod 71.

The adjusting knob 48 is of a hollow structure, the adjusting knob protruding strips 73 are arranged on the outer wall of the adjusting knob 48, and the reliability of rotating the adjusting knob 48 can be improved through the adjusting knob protruding strips 73. An adjusting knob positioning groove 75 is arranged at one end of the adjusting knob 48, an adjusting knob locking groove 74 is arranged at the bottom of the adjusting knob positioning groove 75, the depth of the adjusting knob positioning groove 75 is smaller than the wall thickness of the adjusting knob 48, and the adjusting knob locking groove 74 penetrates through the side wall of the adjusting knob 48.

And the rotary connecting body 50 can be in adaptive connection with the adjusting knob 48, and the rotary connecting body 50 is in a circular ring shape, as shown in fig. 20. The rotating connector 50 includes a rotating connector ring 77 with a rotating connector notch 76 in the rotating connector ring 77. The rotary connector 50 can be inserted into the adjustment knob positioning slot 75 by being adapted to the adjustment knob positioning slot 75 of the adjustment knob 48. At least one set of rotation locking units is provided on the inner side of the rotary connection body 50, and three sets of rotation locking units are provided in the rotation connection ring 77 as shown in fig. 20. Specifically, the rotation locking unit includes a first inner rotation locking piece 79 and a second inner rotation locking piece 80, wherein the ends of the first inner rotation locking piece 79 corresponding to the second inner rotation locking piece 80 are provided with hook-shaped protrusions, and the hook-shaped protrusions at the ends of the first inner rotation locking piece 79 and the second inner rotation locking piece 80 are directed outward. The rotation locking unit can be matched with the adjusting knob locking groove 74, when the rotation locking unit is clamped into the adjusting knob locking groove 74, the whole rotation connector 50 can be locked in the adjusting knob positioning groove 75 by rotating the first inner locking block 79 and the second inner locking block 80 to be matched with the adjusting knob locking groove 74.

The adjustment knob 48 has internal threads therein that engage the strut external threads 81. An adjusting knob connecting sleeve 87 which can be matched with the adjusting knob 48 is further arranged on the distraction connection base plate 47, the adjusting knob connecting sleeve 87 is just corresponding to the adjusting rod body sleeve 72 on the distraction connection base plate 47, and the adjusting knob connecting sleeve 87 can be communicated with the adjusting rod body sleeve 72. An adjusting knob connecting sleeve ring groove 88 is arranged on the outer wall of the adjusting knob connecting sleeve 87. The adjustment knob 48 can be fitted over the adjustment knob connection sleeve 87, and when the adjustment knob 48 is fitted over the adjustment knob connection sleeve 87, the adjustment knob positioning groove 75 can correspond to the adjustment knob connection sleeve groove 88.

After the adjusting knob 48 is sleeved on the adjusting knob connecting sleeve 87, the adjusting knob 48 can rotate on the adjusting knob connecting sleeve 87. The rotary connector 50 can be snapped into the adjustment knob 75, while the rotary locking unit can be inserted through the adjustment knob locking groove 74 into the adjustment knob connecting sleeve groove 88. The rotary connector 50 can effectively connect the adjusting knob 48 with the adjusting knob connecting sleeve 87, and can keep the adjusting knob 48 rotating on the adjusting knob connecting sleeve 87.

After the oral cavity opening rod 71 is inserted into the adjusting rod body sleeve 72, the oral cavity opening rod 71 penetrates through the adjusting rod body sleeve 72 and can enter the adjusting knob 48, and threaded connection between the oral cavity opening rod 71 and the adjusting knob 48 is achieved. When the adjusting knob 48 is rotated, the linear motion of the oral cavity opening rod 71 can be driven by the threaded connection between the adjusting knob 48 and the oral cavity opening rod 71, so that the purpose of adjusting the distance between the oral cavity opening plate 49 and the opening connecting bottom plate 47 is achieved. In order to prevent the oral cavity opening rod 71 and the oral cavity opening plate 49 from rotating in use, a stay rod positioning block 78 is arranged in the adjusting rod body sleeve 72, and the stay rod positioning block 78 can be embedded in the opening inner guide groove 82 of the oral cavity opening rod 71. The opening positioning block 78 is matched with the oral cavity opening rod 71, so that the oral cavity opening rod 71 can be prevented from rotating; as is clear from the above description, when the distance between the oral cavity expanding plate 49 and the expanding connection base plate 47 is adjusted, the oral cavity expanding rod 71 moves linearly, and therefore, the engagement between the expanding positioning block 78 and the expanding inner guide groove 82 of the oral cavity expanding rod 71 does not adjust the position of the oral cavity expanding plate 49. In addition, an adjusting lever 54 is provided on the adjusting lever sleeve 72.

As shown in fig. 1, 2, 9, 10, 11, 12, 15 and 16, the cover 1 includes an inflatable cover airbag and a cover airbag inflation/deflation connecting tube 3 connected to the cover airbag in a fitting manner, one end of the cover airbag inflation/deflation connecting tube 3 is connected to and communicated with the cover airbag, and the other end of the cover airbag inflation/deflation connecting tube 3 is connected to the airbag sealing valve 4.

In the embodiment of the invention, the cover body air bag can adopt the existing common air bag form, and after the cover body air bag is inflated, the cover body 1 can be formed by utilizing the cover body air bag. The cover body air bag can be inflated and deflated through the cover body air bag inflation and deflation connecting pipe 3, the air bag sealing valve 4 can adopt the existing common form, the process of inflating and deflating the cover body air bag by matching the air bag sealing valve 4 and the cover body air bag inflation and deflation connecting pipe 4 is consistent with the process of inflating and deflating the existing air bag, and the process is particularly well known by people in the technical field and is not repeated herein.

Of course, in specific implementation, the cover body 1 may also adopt an inflation-free form, and the specific situation of the cover body 1 may be selected according to actual needs, which is not described herein again.

Claims (10)

1. A high-frequency ventilation laryngeal mask capable of performing airway operation comprises a laryngeal mask body, wherein the laryngeal mask body comprises a mask body (1) capable of covering oral mucosa around a glottis and a mask body tube which is in adaptive connection with the mask body (1), and is characterized in that: the end part of the mask body pipe is provided with a laryngeal mask ventilation joint which can be in adaptive connection with the mask body pipe, and the required high-frequency ventilation can be carried out by utilizing the cooperation of the laryngeal mask ventilation joint and the laryngeal mask body.

2. A high frequency ventilation laryngeal mask to enable airway surgery as in claim 1 wherein: the laryngeal mask ventilation joint comprises a laryngeal mask ventilation first joint (5) which can be in adaptive connection with the mask body pipe;

the laryngeal mask ventilation first joint (5) comprises a ventilation first joint pipe which can be in adaptive connection with the mask body pipe, a first joint first connecting pipe (8), a first joint second connecting pipe (9) and a first joint third connecting pipe (10) are arranged on the ventilation first joint pipe, and the first joint first connecting pipe (8), the first joint second connecting pipe (9) and the first joint third connecting pipe (10) are communicated with the ventilation first joint pipe.

3. A high frequency ventilation laryngeal mask to enable airway surgery as in claim 1 wherein: the mask body pipe comprises a sealing connecting pipe (2) which can be in sealing connection with the mask body (1), and the laryngeal mask ventilation joint comprises a laryngeal mask ventilation second joint (11) which can be in adaptive connection with the sealing connecting pipe (2);

the laryngeal mask ventilation second connector (11) comprises a ventilation second connector pipe (83) which can be matched with the sealing connecting pipe (2), a second connector high-low frequency ventilation part, a second connector state monitoring connecting part and a second connector mechanical ventilation pipe (12) which can be used for mechanical ventilation are arranged on the side part of the ventilation second connector (83), the second connector mechanical ventilation pipe (12) is communicated with the ventilation second connector pipe (83), a connector pipe end cap (14) is further arranged at the end part of the ventilation second connector pipe (83), a plurality of operation positioning holes allowing surgical instruments are arranged on the connector pipe end cap (14), and the surgical instruments placed in the operation positioning holes can sequentially penetrate through the laryngeal mask ventilation second connector (11) and the sealing connecting pipe (2) and then enter the mask body (1).

4. A high frequency ventilation laryngeal mask to enable airway surgery as in claim 3 wherein: the second joint high-low frequency ventilation part and the second joint state monitoring connecting part are respectively positioned at two corresponding sides of a second joint (11) for ventilating the laryngeal mask, and a second joint mechanical ventilation pipe (12) is positioned between the second joint high-low frequency ventilation part and the second joint state monitoring connecting part;

the second joint high-low frequency ventilation part comprises a second joint high-low frequency ventilation pipe (13) which is in adaptive connection with the laryngeal mask ventilation second joint (11), a high-low frequency ventilation transition part (30) which is connected with the second joint high-low frequency ventilation pipe (13), and a ventilation output part (29) which is connected with the high-low frequency ventilation transition part (30);

the second joint high-low frequency vent pipe (13) is communicated with a first air outlet hole of an output part in the ventilation output part (29) through a first transition part vent hole (37) in the high-low frequency ventilation transition part (30), and the second joint high-low frequency vent pipe (13) is communicated with a second air outlet hole of the output part in the ventilation output part (29) through a second transition part vent hole (38) in the high-low frequency ventilation transition part (30).

5. The high frequency ventilation laryngeal mask of claim 4, wherein: the transition part first vent hole (37) and the transition part second vent hole (38) are distributed in the high-low frequency ventilation transition part (30) in an inclined manner, and the length directions corresponding to the output part first air outlet hole and the output part second air outlet hole are consistent with the length direction of the laryngeal mask ventilation second joint (11);

the ventilation pipe storage device is characterized by further comprising a first output ventilation pipe (20) in adaptive connection with the first air outlet of the output part and a second output ventilation pipe (21) in adaptive connection with the second air outlet of the output part, a ventilation pipe storage sleeve (39) capable of storing the first output ventilation pipe (20) and the second output ventilation pipe (21) is arranged on the inner wall of the sealing connecting pipe (2), and the first output ventilation pipe (20) and the second output ventilation pipe (21) can be stored on one side of the sealing connecting pipe (2) through the ventilation pipe storage sleeve (39).

6. A high frequency ventilation laryngeal mask to enable airway surgery as in claim 3 wherein: the sealing device further comprises a sealing cap mechanism, the sealing cap mechanism comprises a plurality of sealing cap bodies, and the second joint high-low frequency ventilation portion, the second joint state monitoring connection portion, the second joint mechanical ventilation portion (12) and/or the operation positioning hole can be sealed through the corresponding sealing cap bodies.

7. A high frequency ventilation laryngeal mask to enable airway surgery as in claim 1 wherein: the mask body tube comprises a mask body first connecting tube (41) and a mask body second connecting tube (42) which are connected with the mask body (1) in an adaptive mode, an operation hollowed-out area (51) penetrating through the mask body (1) is arranged on the mask body (1), the operation hollowed-out area (51) is arranged at one end, close to a laryngeal mask ventilation joint, of the mask body (1), and the operation hollowed-out area (51) is located between the mask body first connecting tube (41) and the mask body second connecting tube (42);

one ends, correspondingly far away from the mask body (1), of the first mask body connecting pipe (41) and the second mask body connecting pipe (42) are connected through an oral cavity distractor (45), and the laryngeal mask ventilation joint is in adaptive connection with the end part, relatively far away from the mask body (1), of the first mask body connecting pipe (41) and/or the second mask body connecting pipe (42).

8. The high frequency ventilation laryngeal mask of claim 7, wherein: the mask is characterized by further comprising a tongue depressor (46) which is in adaptive connection with the first connecting pipe (41) of the mask body and the second connecting pipe (42) of the mask body, the tongue depressor (46) corresponds to the opening of the mask body (1), one end of the tongue depressor (46) extends into the cavity of the mask body (1) through a surgery operation hollow-out area (51), and the other end of the tongue depressor (46) is adjacent to the oral cavity distractor (45).

9. The high frequency ventilation laryngeal mask of claim 7, wherein: oral cavity struts ware (45) including can with cover body first connecting pipe (41), cover body second connecting pipe (42) adaptation connection strut connection bottom plate (47) set up length-adjustable's oral cavity and strut pole (71) on strut connection bottom plate (47) the tip of oral cavity struts pole (71) sets up oral cavity and struts board (49).

10. A high frequency ventilation laryngeal mask to enable airway surgery as claimed in any one of claims 1 to 9 wherein: the mask body (1) comprises an inflatable mask body air bag and a mask body air bag inflation and deflation connecting pipe (3) which is in adaptive connection with the mask body air bag, one end of the mask body air bag inflation and deflation connecting pipe (3) is connected and communicated with the mask body air bag, and the other end of the mask body air bag inflation and deflation connecting pipe (3) is connected with an air bag sealing valve (4).

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