WO2022253265A1 - High-frequency ventilation laryngeal mask allowing airway surgery operation to be performed - Google Patents

Abstract

A high-frequency ventilation laryngeal mask allowing an airway surgery operation to be performed, the laryngeal mask comprising a laryngeal mask body, wherein the laryngeal mask body comprises a mask body (1) capable of covering an oral mucosa around a glottis, and a mask body tube, which is in adaptive connection with the mask body (1); and a laryngeal mask ventilation connector that can be in adaptive connection with the mask body tube is provided at an end of the mask body tube. The laryngeal mask ventilation connector cooperates with the laryngeal mask body so as to be capable of performing required low-frequency ventilation or high-frequency ventilation. The high-frequency ventilation laryngeal mask can meet the requirement for high-frequency ventilation, such that the continuous ventilation of a surgical patient can be maintained without affecting the normal procedure of a tracheal surgery; and same is convenient to use, and safe and reliable.

Description

High-frequency ventilation laryngeal mask for airway surgery

Cross References to Related Applications

This application claims the priority of the Chinese patent application with the application number 202110619943.2 and the title of the invention "High Frequency Ventilation Laryngeal Mask Capable of Airway Operation" submitted to the China Patent Office on June 3, 2021, the entire contents of which are incorporated by reference incorporated in this application.

technical field

The present application relates to a high-frequency ventilation laryngeal mask, in particular to a high-frequency ventilation laryngeal mask capable of performing airway surgery.

Background technique

Laryngeal mask, as a medical device used to maintain patients' breathing and ventilation, is widely used in clinical anesthesia, first aid or resuscitation because of its non-invasive airway characteristics. With the advancement of materials and technology, there are currently many improved laryngeal masks used clinically.

The use of laryngeal mask ventilation under general anesthesia can not only reduce the pain of patients, but also maintain a relatively stable ventilation cycle, achieve a high oxygen concentration, and provide a better field of vision and surgical operation area for fiberoptic bronchoscopy. However, for patients with airway stenosis, due to the obstruction of the airway by secretions and hemorrhage, the operation of the fiberoptic bronchoscope, and the inhibitory effect of general anesthetics on spontaneous breathing, the patient is prone to the risk of suffocation. The problem of poor effect, and the existing laryngeal mask cannot adapt to this situation, and it is difficult to meet the needs of specific use.

Contents of the invention

The purpose of this application is to overcome the deficiencies in the prior art, and to provide a high-frequency ventilation laryngeal mask that can perform airway surgery, which can meet the needs of high-frequency ventilation, and can maintain continuous ventilation for surgical patients without affecting The tracheal operation is carried out normally, and it is convenient to use, safe and reliable.

According to the technical solution provided by this application, the high-frequency ventilation laryngeal mask capable of performing airway surgery includes a laryngeal mask body, and the laryngeal mask body includes a mask that can cover the oral mucosa around the glottis and is connected with the mask Adaptively connected mask body tube, the end of the mask body tube is provided with a laryngeal mask ventilation joint that can be adaptively connected with the mask body tube, and the required low-frequency Ventilation or high-frequency ventilation.

The laryngeal mask ventilation connector includes a first connector for laryngeal mask ventilation that can be adapted to connect with the mask body tube;

The first joint for laryngeal mask ventilation includes a first joint tube for ventilation that can be adapted to connect with the mask body tube, and a first connecting pipe for the first joint, a second connecting pipe for the first joint, and a first connecting pipe for the first joint are arranged on the first joint tube for ventilation The first joint and the third connecting pipe, the first connecting pipe of the first joint, the second connecting pipe of the first joint, and the third connecting pipe of the first joint are all in communication with the first ventilation joint pipe.

The mask body tube includes a sealed connecting tube capable of sealing connection with the mask body, and the laryngeal mask ventilation joint includes a second laryngeal mask ventilation joint that can be fitted and connected with the sealed connecting tube;

The second joint for laryngeal mask ventilation includes a second joint tube for ventilation that can be adapted to the sealed connection tube. On the side of the second joint for ventilation, the high and low frequency ventilation part of the second joint, the state monitoring connection part of the second joint, and the connection part that can be used for mechanical The second joint mechanical ventilation tube for ventilation, the second joint mechanical ventilation tube communicates with the second ventilation joint tube, and a joint tube end cap is also set at the end of the second ventilation joint tube, and a joint tube end cap is set on the joint tube end cap A plurality of operation positioning holes allow surgical instruments, and the surgical instruments inserted through the operation positioning holes can pass through the second joint of the laryngeal mask ventilation and the sealing connection tube in order to enter the mask body.

The high and low frequency ventilation part of the second joint and the state monitoring connection part of the second joint are respectively located on both sides corresponding to the second joint of laryngeal mask ventilation. between monitoring connections;

The high and low frequency ventilation part of the second joint includes a high and low frequency ventilation tube of the second joint which is adapted to be connected with the second joint of laryngeal mask ventilation, a high and low frequency ventilation transition part connected with the high and low frequency ventilation tube of the second joint, and a high and low frequency ventilation transition part connected with the high and low frequency ventilation tube of the second joint. a vent output to which the vent transition is connected;

The high and low frequency ventilation tube of the second joint communicates with the first air outlet hole of the output part in the ventilation output part through the first ventilation hole of the transition part in the high and low frequency ventilation transition part, and the high and low frequency ventilation tube of the second joint passes through the second transition part in the high and low frequency ventilation transition part. The air hole communicates with the second air outlet hole of the output part in the air output part.

The first air hole of the transition part and the second air hole of the transition part are distributed obliquely in the high-low frequency ventilation transition part, and the length direction corresponding to the first air outlet of the output part and the second air outlet of the output part is the same as the second joint of laryngeal mask ventilation. The length direction is the same;

It also includes a first output vent pipe adapted to connect with the first air outlet hole of the output part and a second output vent pipe adapted to connect with the second air outlet hole of the output part, and the inner wall of the sealed connection pipe is provided to accommodate the first output vent pipe And the vent tube storage sleeve of the second output vent tube, the first output vent tube and the second output vent tube can be stored on one side of the sealed connection tube through the vent tube storage cover.

It also includes a capping mechanism, the capping mechanism includes several capping bodies, through which the high and low frequency ventilation part of the second joint, the state monitoring connection part of the second joint, the mechanical ventilation part of the second joint and/or Operational pilot hole seal.

The mask body tube includes the first connecting pipe of the mask body and the second connecting pipe of the mask body that are adapted and connected with the mask body. A surgical operation hollow area penetrating through the cover body is provided on the mask body, and the surgical operation hollow area is located on the cover body Adjacent to one end of the laryngeal mask ventilation connector, the surgical operation hollow area is located between the first connecting tube of the mask body and the second connecting tube of the mask body;

The end of the first connecting tube of the mask body and the second connecting tube of the mask body are connected through the mouth spreader, and the laryngeal mask ventilation joint is relatively far away from the first connecting tube of the mask body and/or the second connecting tube of the mask body. The ends of the housing are fitted for connection.

It also includes a spatula that can be fitted and connected with the first connecting pipe of the mask and the second connecting pipe of the mask, and the spatula corresponds to the opening of the mask, and one end of the spatula extends into the hollow area through the surgical operation. In the cavity of the mask, the other end of the tongue depressor is adjacent to the mouth spreader.

The mouth spreader includes a spread connection bottom plate that can be fitted and connected with the first connecting pipe of the cover body and the second connection pipe of the cover body, and an adjustable length oral cavity spreader rod is arranged on the spread connection bottom plate. An oral cavity expansion plate is arranged at the end of the oral cavity expansion rod.

The cover body includes an inflatable cover airbag and a cover airbag inflation and deflation connecting tube adapted to connect with the cover airbag, one end of the cover airbag inflation and deflation connection tube is connected and communicated with the cover airbag, and the cover airbag The other end of the body airbag inflation and deflation connecting pipe is connected with the airbag sealing valve.

Advantages of the present application: the laryngeal mask body includes a mask body and a mask body tube, and the ventilation of the laryngeal mask can be realized by the cooperation of the mask body and the mask body tube. To meet the needs of high-frequency ventilation, according to the specific form of the laryngeal mask ventilation connector, or the cooperation between the mask body tube and the mask body, the required surgical operation can also be realized during the high-frequency ventilation process, improving the convenience and adaptability of use sex, safe and reliable.

Brief description of the drawings

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

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

Fig. 3 is a perspective view of the cooperation between the second connector of the laryngeal mask ventilation and the end cap of the connector tube of the present application.

Fig. 4 is a schematic structural view of the second joint for laryngeal mask ventilation in the present application.

Fig. 5 is a perspective view of the second joint for laryngeal mask ventilation of the present application.

Fig. 6 is a cross-sectional view of the second joint for laryngeal mask ventilation of the present application.

Fig. 7 is a schematic diagram of the sealing connecting pipe of the present application.

FIG. 8 is a partially enlarged view of A in FIG. 7 .

Fig. 9 is a schematic diagram of the third embodiment of the present application.

Fig. 10 is a schematic diagram of cooperation of the spatula in Fig. 9 with the first connecting tube of the cover body and the second connecting tube of the cover body.

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

Fig. 12 is a schematic diagram of the third embodiment of the present application.

Fig. 13 is a schematic diagram of the fourth joint for laryngeal mask ventilation of the present application.

Fig. 14 is a cross-sectional view of the fourth joint for laryngeal mask ventilation of the present application.

FIG. 15 is a perspective view of a fourth embodiment of the present application.

FIG. 16 is a schematic structural diagram of a fourth embodiment of the present application.

Fig. 17 is a perspective view of the oral retractor of the present application.

Fig. 18 is a cross-sectional view of the oral retractor of the present application.

Fig. 19 is a schematic diagram of the adjustment knob of the present application.

Fig. 20 is a schematic diagram of a rotating connector of the present application.

Fig. 21 is a schematic diagram of the oral cavity expansion rod of the present application.

Fig. 22 is a schematic diagram when the adjustment knob is removed from the oral retractor of the present application.

Explanation of reference numerals: 1-mask body, 2-sealing connecting pipe, 3-mask body air bag inflation and deflation connecting pipe, 4-air bag sealing valve, 5-first joint for laryngeal mask ventilation, 6-joint handle, 7-second One connector mechanical ventilation tube, 8-the first connector first connecting tube, 9-the first connector second connecting tube, 10-the first connector third connecting tube, 11-the second connector for laryngeal mask ventilation, 12-the second connector Mechanical ventilation tube, 13-second joint high and low frequency ventilation tube, 14-joint pipe end cap, 15-operation positioning first hole, 16-operation positioning second hole, 17-operation positioning third hole, 18-status monitoring tube , 19-joint limit ring, 20-second joint first ventilation hose, 21-second joint second ventilation hose, 22-second joint first monitoring hose, 23-second joint second monitoring soft Tube, 24-end cap handle, 25-high-frequency ventilation sealing plug, 26-condition monitoring sealing plug, 27-operation hole sealing plug line body, 28-operation hole sealing plug, 29-ventilation output part, 30-high and low frequency ventilation Transition part, 31-second joint lumen, 32-state monitoring transition part, 33-second joint handle, 34-monitoring connection part, 35-monitoring first connecting hole, 36-monitoring second connecting hole, 37-transition The first vent hole of the upper part, 38-the second vent hole of the transition part, 39-the vent tube storage cover, 40-the gap of the cover body, 41-the first connecting tube of the cover body, 42-the second connecting tube of the cover body, 43-the laryngeal mask Ventilation third joint, 44-laryngeal mask monitoring joint, 45-oral spreader, 46-spatula, 47-split connection bottom plate, 48-adjustment knob, 49-oral spreader, 50-rotating connector, 51-Surgical operation hollow area, 52-Tube sleeve, 53-Expansion plate limit block, 54-Adjustment handle, 55-Floor plate limit positioning block, 56-Laryngeal mask ventilation fourth joint, 57-Fourth joint height Low-frequency ventilation pipe, 58-the fourth joint status monitoring tube, 59-the fourth joint friction increasing part, 60-the locking body of the pipe sleeve, 61-the first connecting pipe of the fourth joint, 62-the second connecting pipe of the fourth joint, 63-the first ventilation hose of the fourth joint, 64-the second ventilation hose of the fourth joint, 65-the first monitoring hose of the fourth joint, 66-the second monitoring hose of the fourth joint, 67-the second monitoring hose of the fourth joint One ventilation transition hole, 68-the second ventilation transition hole of the fourth joint, 69-the first monitoring transition hole of the fourth joint, 70-the second monitoring transition hole of the fourth joint, 71-oral expansion rod, 72-adjusting rod body sleeve , 73-Protruding strip of adjusting knob, 74-Locking groove of adjusting knob, 75-Positioning groove of adjusting knob, 76-Notch of rotating connecting body, 77-Rotating connecting ring, 78-Positioning pole positioning block, 79-Rotating the first inner locking block , 80-rotate the second inner lock block, 81-external thread of the strut, 82-expand the inner guide groove, 83-the second joint pipe for ventilation, 84-the first ventilation hole for monitoring transition, 85-the second ventilation hole for monitoring transition , 86-second joint status monitoring connecting tube, 87-adjusting knob connecting sleeve, 88-adjusting knob connecting collar groove, 89-ventilating first joint sealing cap, 90-ventilating first joint sealing cap operation hole , 91-the sealing plug of the operation hole of the sealing cap of the first joint of the ventilation and the sealing plug of the operation hole of the sealing cap of the first joint of the ventilation 92-the connecting line.

Detailed ways

The present application will be further described below in conjunction with specific drawings and embodiments.

In order to meet the needs of high-frequency ventilation, the application includes a laryngeal mask body, which includes a mask body 1 that can cover the oral mucosa around the glottis and a mask body tube that is fitted and connected to the mask body 1. The end of the tube is provided with a laryngeal mask ventilation joint that can be adapted to connect with the mask body tube, and the required high-frequency ventilation can be performed by using the laryngeal mask ventilation joint to cooperate with the laryngeal mask body.

Specifically, the laryngeal mask body includes a mask body 1 and a mask body tube. The laryngeal mask body generally needs to be made of materials that meet medical standards. The mask body 1 can cover the oral cavity around the glottis. The mask body tube and the mask body 1 Connected to each other, the gas for ventilation can be sent into the mask body 1 through the mask body tube, and the gas after breathing can also be realized. The way the mask body tube cooperates with the mask body 1 to form the laryngeal mask body and the use of the laryngeal mask body for respiratory support The methods are all consistent with the existing ones, and are well known to those skilled in the art. In the embodiment of the present application, a laryngeal mask ventilation connector is provided at the end of the mask body tube, and the laryngeal mask ventilation connector is at the end of the mask body tube away from the mask body 1, and the matching connection with the ventilator and other equipment can be realized by using the laryngeal mask ventilation connector , the laryngeal mask ventilation connector can communicate with the mask body 1 through the mask body tube. During specific implementation, the required high-frequency ventilation can be performed through the cooperation of the laryngeal mask ventilation connector and the laryngeal mask body, and the high-frequency ventilation specifically realizes the jetting of the airflow, that is, realizes the need for high-frequency ventilation under the laryngeal mask.

During specific implementation, different matching forms can be adopted between the mask body tube and the mask body 1. When the mask body tube and the mask body 1 adopt different matching forms, the laryngeal mask ventilation joint also has a different implementation structure. The situation is described in detail.

As shown in FIG. 1 , it is a schematic diagram of the first implementation of the present application. Specifically, the laryngeal mask ventilation connector includes a first connector 5 for laryngeal mask ventilation that can be adapted to connect with the mask body tube;

The first joint 5 for ventilation of the laryngeal mask includes a first joint pipe for ventilation that can be adapted to be connected with the mask body tube, and the first joint pipe 8 for the first joint, the second joint pipe 8 for the first joint, and the second joint pipe for the first joint are arranged on the first joint pipe for ventilation. The pipe 9 and the first connecting pipe 10 of the first joint, the first connecting pipe 8 of the first joint, the second connecting pipe 9 of the first joint, and the third connecting pipe 10 of the first joint are all communicated with the first joint pipe of ventilation.

In Fig. 1, the mask body tube is a sealed connecting tube 2, that is, a sealed connection form is adopted between the sealed connecting tube 2 and the mask body 1, and at this time, the laryngeal mask ventilation joint is the first joint 5 for laryngeal mask ventilation. When the laryngeal mask ventilation joint is the first joint 5 for laryngeal mask ventilation, the first connecting pipe 8 of the first joint, the second connecting pipe 9 of the first joint and the third connecting pipe of the first joint are arranged on the side of the first joint pipe for ventilation 10, wherein the first connecting pipe 8 of the first joint, the second connecting pipe 9 of the first joint and the third connecting pipe 10 of the first joint are parallel to each other, the first connecting pipe 8 of the first joint, the second connecting pipe 9 of the first joint And the first joint third 10 can realize the corresponding joint connection with the ventilator. , can realize high-frequency ventilation, in addition, can also realize functions such as humidification in high-frequency ventilation.

The first connecting pipe 8 of the first joint, the second connecting pipe 9 of the first joint and the third connecting pipe 10 of the first joint communicate with the first joint pipe of the ventilation, and the first joint pipe of the ventilation can realize the fitting connection with the sealing connection pipe 2 , generally, the first joint pipe for ventilation can be inserted into the sealed connection pipe 2 . The first connecting pipe 8 of the first joint, the second connecting pipe 9 of the first joint and the third connecting pipe 10 of the first joint adopt a form and position distribution that can be adapted to connect with the ventilator. A joint handle 6 is also arranged on the first joint pipe for ventilation, and the first joint 5 for laryngeal mask ventilation can be conveniently held by using the joint handle 6 .

In order to facilitate the surgical operation, a first ventilation joint sealing cap 89 is also provided at the end of the first ventilation joint, and a first ventilation joint sealing cap operating hole 90 that allows surgical operation is set on the first ventilation joint sealing cap 89. That is, during the ventilation process, the instruments for surgical operation can enter the sealed connection tube 2 through the operating hole 90 of the sealing cap of the first ventilating joint, so as to realize the operation of the surgery. The specific types of surgical instruments can be selected according to needs, and will not be repeated here. . Of course, it is also possible to be provided with a mechanical ventilation joint adapted to the first ventilation joint 5 (such as the first joint mechanical ventilation tube 7 provided on the side of the first ventilation joint 5 shown in FIG. Connectors enable mechanical ventilation as needed. It also includes a first ventilating joint sealing cap operating hole sealing plug 91 that can close the venting first joint sealing cap operating hole 90, and the venting first joint sealing cap operating hole sealing plug 91 can block the operation of the venting first joint sealing cap. The hole 90, the sealing plug 91 of the operating hole of the sealing cap of the first ventilating joint is detachably connected with the operating hole 90 of the sealing cap of the first venting joint. The sealing plug 91 of the operation hole of the sealing cap of the first joint of the ventilation joint can be connected with the sealing cap 89 of the first joint of the ventilation joint through the sealing plug connection line 92 of the sealing plug of the operation hole of the first joint sealing cap of the ventilation joint, so as to avoid the loss of the sealing plug 91 of the operation hole of the sealing cap of the first joint of the ventilation joint .

As shown in Figure 2, it is a schematic diagram of the second implementation of the present application, wherein the mask body tube includes a sealing connection tube 2 that can be sealed with the mask body 1, and the laryngeal mask ventilation joint includes a sealing connection tube that can be connected with the sealing tube 2 Adaptively connected second connector 11 for laryngeal mask ventilation;

The second joint 11 for laryngeal mask ventilation includes a second joint tube 83 for ventilation that can be adapted to the sealed connection tube 2. On the side of the second joint tube 83 for ventilation, the high and low frequency ventilation part of the second joint and the state monitoring connection part of the second joint are arranged. And the second connector mechanical ventilation tube 12 that can be used for mechanical ventilation, the second connector mechanical ventilation tube 12 communicates with the second ventilation connector tube 83, and the connector tube end cap 14 is also set at the end of the second ventilation connector tube 83 A plurality of operation positioning holes that allow surgical instruments are set on the joint pipe end cap 14, and the surgical instruments inserted through the operation positioning holes can pass through the second joint 11 for laryngeal mask ventilation and the sealing connection tube 2 in order to enter the mask body 1 Inside.

Similar to the situation in FIG. 1 , the mask body tube is also a sealed connection tube 2 that is hermetically connected to the mask body 1 , but the laryngeal mask ventilation joint provided at the end of the sealed connection tube 2 is the second laryngeal mask ventilation joint 11 . Wherein, the second laryngeal mask ventilation joint 11 includes a second ventilation joint tube 83, and the second ventilation joint tube 83 can generally be embedded in the sealed connection tube 2, that is, to realize a suitable fit between the second ventilation joint tube 83 and the sealed connection tube 2. with connection.

The second joint high and low frequency ventilation part, the second joint state monitoring connection part and the second joint mechanical ventilation tube 12 are arranged on the side of the second ventilation joint pipe 83, wherein the second joint mechanical ventilation tube 12 can directly communicate with the ventilation second joint. The joint pipe 83 is connected, and the high and low frequency ventilation part of the second joint and the state monitoring connection part of the second joint are not directly connected with the second joint pipe 83 for ventilation. The two ends of the second ventilation joint pipe 83 are in an open state, and the joint pipe end cap 14 is arranged at the end of the second ventilation joint pipe 83 away from the sealing connection pipe 2, and the joint pipe end cap 14 is suitable for the end of the second ventilation joint pipe 83. match. The joint pipe end cap 14 is provided with a number of operation positioning holes, and the operation positioning holes penetrate the joint pipe end cap 14, so that the surgical instruments inserted through the operation positioning holes can pass through the second laryngeal mask ventilation joint 11 and the sealing connection pipe 2 in sequence. Inside the cover body 1.

In the embodiment of the present application, the connection with the ventilator can be realized through the high and low frequency ventilation part of the second joint, and the high and low frequency ventilation can be realized after the connection, and the state monitoring when using the laryngeal mask for ventilation can be realized through the second joint state monitoring connection part , mechanical ventilation can be realized through the second joint mechanical ventilation tube 12 . Generally, the mechanical ventilation can be realized through the mechanical ventilation tube 12 of the second joint, or the required high-frequency ventilation/low-frequency ventilation can be realized through the high-low frequency ventilation part of the second joint. The state monitoring realized by the second joint state monitoring connection part includes the monitoring of the air pressure in the exhaled gas and the monitoring of the carbon dioxide content in the exhaled gas. Of course, the specific content of the state monitoring can be selected according to the actual needs, and will not be repeated here.

As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the high and low frequency ventilation part of the second joint and the state monitoring connection part of the second joint are respectively located on both sides corresponding to the second joint 11 of the laryngeal mask ventilation, and the second joint The mechanical ventilation tube 12 is located between the high and low frequency ventilation part of the second joint and the state monitoring connection part of the second joint;

The high and low frequency ventilation part of the second joint includes the high and low frequency ventilation tube 13 of the second joint connected with the second joint 11 of laryngeal mask ventilation, the high and low frequency ventilation transition part 30 connected with the high and low frequency ventilation tube 13 of the second joint, and the The ventilation output part 29 connected to the high-low frequency ventilation transition part 30;

The high and low frequency ventilation tube 13 of the second joint communicates with the first air outlet hole of the output part in the ventilation output part 29 through the transition part first ventilation hole 37 in the high and low frequency ventilation transition part 30, and the high and low frequency ventilation tube 13 of the second joint communicates with the high and low frequency ventilation tube 13 through the high and low frequency ventilation The transition portion second air hole 38 in the transition portion 30 communicates with the output portion second air outlet hole in the air output portion 29 .

In the embodiment of the present application, the high and low frequency ventilation part of the second joint and the state monitoring connection part of the second joint are respectively located on both sides corresponding to the second joint 11 of the laryngeal mask ventilation, and the mechanical ventilation tube 12 of the second joint is located at the high and low frequency ventilation of the second joint. Between the part and the second joint state monitoring connection part, the length direction of the second joint mechanical ventilation tube 12 is perpendicular to the length direction of the second ventilation joint tube 83 .

The high and low frequency ventilation part of the second joint includes the high and low frequency ventilation tube 13 of the second joint, the high and low frequency ventilation transition part 30 and the ventilation output part 29, wherein, the length direction of the high and low frequency ventilation tube 13 of the second joint is the same as that of the second joint. The length direction of 83 is perpendicular, and may also be perpendicular to the length direction of the second joint mechanical ventilation tube 12 . The high and low frequency ventilation transition part 30 is connected with the high and low frequency ventilation tube 13 and the ventilation output part 29 of the second joint, and the high and low frequency ventilation tube 13 of the second joint, the high and low frequency ventilation transition part 30 and the ventilation output part 29 are all connected with the second ventilation joint tube 83 The outer wall is connected, but not directly communicated with the second joint lumen 31 in the second ventilation joint pipe 83 .

During specific implementation, a joint limit ring 19 is arranged on the second ventilation joint pipe 83, and the joint limit ring 19 is annular on the second ventilation joint pipe 83, and the joint limit ring 19 can be used to realize the connection between the second ventilation joint pipe 83 and the second joint pipe 83. The connection limit between the sealing connecting pipes 2. The second joint high and low frequency ventilation tube 13 and the high frequency ventilation transition part 30 are all located on one side of the joint limit circle 19, and the ventilation output part 29 is located on the other side of the joint limit circle 19, and the length direction of the ventilation output part 29 is in line with the ventilation The length direction of the second joint pipe 83 is consistent.

In the embodiment of the present application, the first air hole 37 of the transition part and the second air hole 38 of the transition part are set in the high-low frequency ventilation transition part 30, and the first air outlet hole of the output part and the second air hole of the output part are set in the ventilation output part 29. Air outlet, wherein, the first air outlet 37 of the transition part corresponds to the first air outlet of the output part, and the second air outlet 38 of the transition part corresponds to the second air outlet of the output part, so that the high and low frequency ventilation pipe 13 of the second joint passes through the high and low frequency ventilation The first vent hole 37 of the transition part in the transition part 30 communicates with the first vent hole of the output part in the ventilating output part 29, and the second joint high and low frequency vent tube 13 passes through the second vent hole 38 of the transition part in the high and low frequency vent transition part 30 It communicates with the second air outlet hole of the output part in the air output part 29 .

When the high and low frequency ventilation tube 13 of the second joint is connected to the ventilator, the gas entering the high and low frequency ventilation tube 13 of the second joint will enter the first air outlet hole of the output part through the first ventilation hole 37 of the transition part, so as to be outputted The first air outlet of the part is sprayed, or the second air hole 38 of the transition part enters the second air outlet of the output part to spray, so as to achieve the purpose of high-frequency ventilation.

Optionally, the first air hole 37 of the transition part and the second air hole 38 of the transition part are distributed obliquely in the high-low frequency ventilation transition part 30, and the corresponding lengths of the first air outlet hole of the output part and the second air outlet hole of the output part The direction is consistent with the length direction of the second joint 11 for laryngeal mask ventilation;

It also includes a first output vent pipe 20 adapted to connect with the first outlet hole of the output part and a second output vent pipe 21 adapted to connect with the second outlet hole of the output part. The ventilation tube storage sleeve 39 of the output ventilation tube 20 and the second output ventilation tube 21 can store the first output ventilation tube 20 and the second output ventilation tube 21 on one side of the sealing connection tube 2 through the ventilation tube storage sleeve 39 .

In the embodiment of the present application, the first air hole 37 of the transition part and the second air hole 38 of the transition part are distributed obliquely in the high-low frequency ventilation transition part 30, and the corresponding lengths of the first air outlet of the output part and the second air outlet of the output part The direction is consistent with the length direction of the second joint 11 for laryngeal mask ventilation. In order to realize that the sprayed air flow is sent into the cover body 1, the first output air pipe 20 is fitted and connected with the first air outlet hole of the output part, and the second output air pipe 21 is fitted and connected with the second air outlet hole of the output part. The first output vent tube 20 and the second output vent tube 21 can specifically adopt commonly used medical hoses. After the first output air pipe 20 is fitted and connected with the first air outlet of the output part, and after the second output air pipe 21 is adapted and connected with the second air outlet of the output part, the first output air pipe 20 and the second output air pipe 21 are The sealing connection tube 2 is adjacent to the inner cavity of the cover body 1 , and the positions of the first output ventilation pipe 20 and the second output ventilation tube 21 adjacent to the inner cavity of the cover body 1 are different.

In order to realize the storage of the first output air pipe 20 and the second output air pipe 21, an air pipe storage sleeve 39 is arranged on the inner wall of the sealed connection pipe 2, and the air pipe storage sleeve 39 is distributed along the length direction of the inner wall of the sealed connection pipe 2. A sleeve body slit 40 is provided on the side of the trachea storage sleeve 39 , as shown in FIGS. 7 and 8 . The first output ventilation tube 20 and the second output ventilation tube 21 can be placed in the ventilation tube storage sleeve 39 through the sleeve body gap 40, so as to avoid the entanglement between the first output ventilation tube 20 and the second output ventilation tube 21, and improve high-frequency ventilation time stability and reliability.

For the second joint state monitoring connecting part, it specifically includes the second joint state monitoring connecting pipe 86 connected with the second ventilation joint pipe 83, the state monitoring transition part 32 connected with the second joint state monitoring connecting pipe 86, and the connection with the state. To monitor the monitoring connection portion 34 connected to the transition portion 32 , the length direction of the second joint state monitoring connecting pipe 86 is perpendicular to the length direction of the second ventilation joint pipe 83 . The second joint state monitoring connecting pipe 86 can be coaxially distributed with the second joint high and low frequency air pipe 13 . The specific cooperation between the second joint state monitoring connecting pipe 86, the state detection transition part 32 and the monitoring connection part 34 can refer to the specific cooperation between the high and low frequency ventilation tube 13 of the second joint, the high and low frequency ventilation transition part 30 and the ventilation output part 29. description, which will not be repeated here.

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

Of course, in order to effectively monitor, it also includes a second joint, a first monitoring hose 22 and a second joint, a second monitoring hose 23, through which the first monitoring hose 22 can be connected to the first monitoring connection hole 35 correspondingly , the second monitoring hose 23 can be correspondingly connected to the second monitoring connection hole 36 through the second joint. In order to be able to accommodate the first monitoring hose 22 of the second joint and the second monitoring hose 23 of the second joint, a symmetrically distributed ventilation tube storage sleeve 39 is arranged in the sealed connecting pipe 2, and the first monitoring hose 22 of the second joint , The second monitoring hose 23 of the second joint can be stored in the ventilation tube storage sleeve 39 on the corresponding side. The first monitoring hose 22 of the second joint and the second monitoring hose 23 of the second joint are stored behind the air tube storage sleeve 39 , and the corresponding ends are adjacent to the inner cavity of the cover body 1 . The positions of the first monitoring hose 22 of the second joint and the second monitoring hose 23 of the second joint are different adjacent to the inner cavity of the cover body 1. The first monitoring hose 22 of the second joint, the second monitoring hose 23 of the second joint and the The second joint state monitoring connecting pipe 86 cooperates to realize the monitoring of air pressure and gas composition respectively.

In Fig. 3, three operation positioning holes are set on the joint pipe end cap 14, which are the first hole 15 for operation positioning, the second hole 16 for operation positioning and the third hole 17 for operation positioning. The surgical instruments that can be used for positioning the second hole 16 and operating and positioning the third hole 17 can include bronchoscopes, gastroscopes, etc., and the types of specific surgical instruments can be selected according to needs. Of course, different numbers of operation positioning holes can also be set on the joint pipe end cap 14, and the specific number can be determined according to the needs and the actual type of surgical instrument, and will not be repeated here.

Optionally, it also includes a capping mechanism, the capping mechanism includes several capping bodies, through which the high and low frequency ventilation part of the second joint, the state monitoring connection part of the second joint, and the mechanical ventilation of the second joint can be realized through the corresponding capping bodies. Part 12 and/or the seal of the operating positioning hole.

In the embodiment of the present application, the use state corresponding to the second joint 11 for laryngeal mask ventilation can be selected through the cap sealing mechanism. Specifically, the sealing cap body includes a high-frequency ventilation sealing plug 25 and a state monitoring sealing plug 26, through which the high-frequency ventilation sealing plug 25 can block the high-low frequency ventilation tube 13 of the second joint, and through the state monitoring sealing plug 26 can block the second joint. The joint state monitoring connecting pipe 86, wherein the high-frequency ventilation sealing plug 25 is detachably connected to the high-low frequency ventilation pipe 13 of the second joint, and the state monitoring sealing plug 26 is detachably connected to the second joint state monitoring connecting pipe 86. In addition, three operation hole sealing plugs 28 are also arranged on the joint pipe end cap 14. The operation hole sealing plugs 28 are connected to the joint pipe end cap 14 through the operation hole sealing plug wire body 27, and can be respectively blocked by the operation hole sealing plugs 28. The operation positioning hole on the joint pipe end cap 14.

In addition, an end cap handle 24 is provided on the operating tube end cap 14 , the operating tube end cap 14 can be detachably connected to the second ventilation joint pipe 83 , and the operating tube end cap 14 can be easily operated through the end cap handle 24 . In addition, a second joint handle 33 is also provided on the second ventilation joint pipe 83 .

During specific implementation, the second ventilation joint pipe 83 can be embedded in the sealed connection pipe 2. After the second ventilation joint pipe 83 is embedded in the sealed connection pipe 2, the ventilation pipe storage sleeve 39 in the sealed connection pipe 2 can be used to They correspond to the ventilation output part 29 and the monitoring connection part 34 respectively, so that the ventilation tube storage sleeve 39 can be used to realize the required storage.

Optionally, the mask tube includes a first connecting pipe 41 and a second connecting pipe 42 that are fitted and connected to the mask 1, and a surgical operation hollow area 51 that passes through the mask 1 is provided on the mask 1 , the surgical operation hollow area 51 is at one end of the mask body 1 adjacent to the laryngeal mask ventilation joint, and the surgical operation hollow area 51 is located between the first connecting pipe 41 of the mask body and the second connecting pipe 42 of the mask body;

The end of the first connecting pipe 41 of the mask body and the second connecting pipe 42 of the mask body are connected to the corresponding end far away from the mask body 1 through the mouth spreader 45. The ends of the two connecting pipes 42 that are relatively far away from the cover body 1 are fitted and connected.

During specific implementation, the cover body tube matched with the cover body 1 may also include a first cover body connection pipe 41 and a cover body second connection pipe 42, and the first cover body connection pipe 41 and the cover body second connection pipe 42 are connected to each other. Independently, the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body can communicate with the cover body 1 respectively. The surgical operation hollow area 51 is set on the mask body 1, the surgical operation hollow area 51 runs through the mask body 1, the surgical operation hollow area 51 is adjacent to one end of the laryngeal mask ventilation joint on the mask body 1, and the surgical operation hollow area 51 is located on the mask body Between the first connecting pipe 41 and the second connecting pipe 42 of the cover body, there is a space for surgical operation between the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body, and surgical instruments can enter through the hollow area 51 during operation The inner cavity of the cover body 1 is used for the required operation.

In order to improve the stability of use, the mouth spreader 45 can be connected with the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body, and the opening of the oral cavity can be realized through the oral spreader 45, avoiding the opening of the mouth. The pressure on the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body is specifically shown in FIG. 9 , FIG. 10 , FIG. 11 , FIG. 12 , FIG. 15 and FIG. 16 . Since the first connecting pipe 41 of the mask body and the second connecting pipe 42 of the mask body are independent of each other, the laryngeal mask ventilation joint is connected with the first connecting pipe 41 of the mask body and/or the second connecting pipe 42 of the mask body to realize high-frequency ventilation.

The specific matching form between the laryngeal mask ventilation connector and the first connecting pipe 41 of the mask body and the second connecting pipe 42 of the mask body will be described in detail below.

As shown in Figure 9, the cover body 1 is fitted and connected with the first cover body connecting tube 41 and the cover body second connecting tube 42, and the cover body first connecting tube 41 and the cover body second connecting tube 42 are all connected to the oral spreader. 45 connections. A third joint 43 for laryngeal mask ventilation is also provided at the end of the first connecting pipe 41 of the laryngeal mask, and a monitoring joint 44 of the laryngeal mask is provided at the end of the second connecting pipe 42 of the laryngeal mask. The cooperation between the first connecting tube 41 of the mask body and the mask body 1 can realize the purpose of high-frequency ventilation, and the cooperation of the laryngeal mask monitoring joint 44 with the second connecting tube 42 of the mask body and the mask body 1 can realize the monitoring of breathing, such as realizing the monitoring of air pressure. and/or monitoring of carbon dioxide composition. The third joint 43 for laryngeal mask ventilation can adopt the above-mentioned structural form capable of realizing high-frequency ventilation, and the laryngeal mask monitoring joint 44 can adopt the above-mentioned form capable of realizing state detection, which can be selected according to needs, and will not be repeated here.

In Fig. 9, there is a certain distance between the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body, so that the surgical instrument can be located between the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body, and pass through The surgical operation hollow area 51 is put into the cover body 1 to perform required surgical operations.

As shown in Figures 10 and 11, compared with the implementation structure in Figure 9, it also includes a tongue depressor 46 that can be fitly connected with the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body, and the tongue depressor The plate 46 corresponds to the opening of the mask body 1, and one end of the tongue depressor 46 extends into the cavity of the mask 1 through the surgical operation hollow area 51, and the other end of the spatula 46 is adjacent to the mouth spreader 45.

In the embodiment of the present application, the spatula 46 is arc-shaped, and the spatula can be adapted to the first connecting tube 41 of the cover body and the second connecting tube 42 of the cover body. When using the cover body 1 to cover the oral mucosa around the glottis When using the tongue depressor 46, it can cooperate with the tongue to prevent the tongue from affecting the placement of the mask body 1 and affecting the ventilation of the laryngeal mask, which can improve the insertion efficiency of the laryngeal mask body. When the spatula 46 is connected to the first connecting tube 41 of the cover body and the second connecting tube 42 of the cover body, it will not affect the specific surgical operation performed through the surgical operation hollow area 51 .

As shown in Figure 12, compared with the implementation of Figures 9 to 11, the laryngeal mask ventilation joint is the fourth joint for laryngeal mask ventilation, and the fourth joint for laryngeal mask ventilation can simultaneously realize the connection with the first connecting pipe 41 of the laryngeal mask and the laryngeal mask ventilation joint. Cover the second connecting pipe 42 to cooperate.

As shown in Fig. 13 and Fig. 14, it is a schematic diagram of an implementation of the fourth joint of laryngeal mask ventilation, wherein the fourth joint 56 of laryngeal mask ventilation includes the fourth joint high and low frequency ventilation tube 57 and the fourth joint state monitoring tube 58, But there is no connection between the high and low frequency air pipe 57 of the fourth joint and the status monitoring pipe 58 of the fourth joint. A fourth joint friction-increasing part 59 is provided on the fourth joint 56 of laryngeal mask ventilation, and the fourth joint friction-increasing part 59 can be in the form of a groove structure or a raised point, so as to increase the frictional force of holding the fourth joint 56 of laryngeal mask ventilation For reference, FIG. 13 shows that the fourth joint friction-increasing portion 59 is in the form of a groove.

In order to cooperate with the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body, a fourth joint first connecting pipe 61 and a fourth joint second connecting pipe 62 are also included, wherein the fourth joint first connecting pipe 61 communicates with the high and low frequency ventilation joint 57 of the fourth joint correspondingly, and the second connecting pipe 62 of the fourth joint communicates with the status monitoring pipe 58 of the fourth joint. The specific form of the fourth joint high and low frequency ventilation tube 57 is subject to the adaptation connection with the ventilator. The fourth joint high and low frequency ventilation tube 57 can adopt the same form as the second joint high and low frequency ventilation tube 13. The fourth joint The state monitoring pipe 58 can adopt the same form as the second joint state monitoring connecting pipe 86, which can be determined according to actual needs, and will not be repeated here.

The fourth joint first ventilation transition hole 67 and the 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 It communicates with the high and low frequency ventilation pipe 57 of the fourth joint. The first monitoring transition hole 69 of the fourth joint and the second monitoring transition hole 70 of the fourth joint are set in the second connecting pipe 62 of the fourth joint. The first monitoring transition hole of the fourth joint 69. The second monitoring transition hole 70 of the fourth joint communicates with the status monitoring pipe 58 of the fourth joint.

In order to improve the reliability of ventilation and monitoring, the first ventilation hose 63 of the fourth joint and the second ventilation hose 64 of the fourth joint can respectively connect with the first ventilation transition hole of the fourth joint in the first connecting pipe 61 of the fourth joint. 67. Adaptive connection with the second ventilation transition hole 68 of the fourth joint; at the same time, the first monitoring hose 65 of the fourth joint and the second monitoring hose 66 of the fourth joint are respectively connected with the first monitoring transition hole 69 of the fourth joint and the first monitoring transition hole 69 of the fourth joint. The four-joint second monitoring transition hole 70 is adapted for connection.

When the fourth connector 56 for laryngeal mask ventilation cooperates with the first connecting pipe 41 of the mask body and the second connecting pipe 42 of the mask body, the first connecting pipe 61 of the fourth connector can be embedded in the first connecting pipe 41 of the mask body, and the fourth connector The second connecting pipe 62 can be embedded in the second connecting pipe 42 of the cover body. Through the first ventilation hose 63 of the fourth joint and the second ventilation hose 64 of the fourth joint, the high-frequency ventilation gas can be sent into the cover body 1 more stably; through the first monitoring hose 65 of the fourth joint, the fourth Connecting the second monitoring hose 66 can realize the monitoring and analysis of the gas in the cover body 1 more stably.

As shown in Figure 15 and Figure 16, it is a schematic diagram of the fourth implementation of the present application. At this time, only the first connecting pipe 41 of the mask body or the second connecting pipe 42 of the mask body can be connected with the first joint 5 of the laryngeal mask ventilation , that is, the laryngeal mask ventilation joint can be the first laryngeal mask ventilation joint 5 at this time. When the first cover ventilation joint 5 is connected to the second cover body joint 42, the first cover body connecting pipe 41 is in an empty state. The specific structural form of the first joint 5 for laryngeal mask ventilation can be referred to the above description, and will not be repeated here; however, the first joint mechanical ventilation tube 7 provided on the side of the first joint 5 for ventilation is shown in FIG. 15 . Oxygen inhalation during some ventilation can be achieved by using the first connecting pipe 41 of the mask body or the second connecting pipe 42 of the mask body in an empty state. In FIG. 15 and FIG. 16 , schematic views of the second connecting pipe 42 of the cover body in an empty state are shown.

As shown in Fig. 17 and Fig. 18, it is a schematic diagram of an implementation of the mouth spreader 45 of the present application. Specifically, the mouth spreader 45 includes The tube 42 is adapted to be connected with a spread connection bottom plate 47, and an oral cavity spread plate 49 is arranged on one side of the spread connection bottom plate 47, and the distance between the oral cavity spread plate and the spread connection bottom plate 47 is adjustable.

In the embodiment of the present application, the stretched connection bottom plate 47 is in the shape of a flat plate, and the stretched connection bottom plate 47 can be made of a flexible board, such as a silica gel board. In order to realize the connection between the stretched connection bottom plate 47 and the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body, two connecting pipe sleeves 52 are arranged on the stretching connecting bottom plate 47, and the two connecting pipe sleeves 52 Can be respectively sleeved on the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body, so that the connecting bottom plate 47 can be connected with the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body through the connecting pipe sleeve 52 Adapt connection. A connecting pipe cover locking body 60 is provided on each connecting pipe cover 52, and the connecting pipe cover locking body 60 can be a locking screw. The two connecting pipes 42 are locked with the corresponding connecting pipe sleeves 52 . Of course, when the locking state of the connecting pipe cover locking body 60 is released, the position of the connecting pipe cover 52 on the first connecting pipe 41 of the cover body and the second connecting pipe 42 of the cover body can be adjusted. In a specific implementation, the connecting sleeve 52 and the locking body 60 of the connecting sleeve are respectively located on two sides corresponding to the expansion connecting bottom plate 47 .

The bottom plate limit positioning block 55 is also arranged on the stretched connection bottom plate 47, and the bottom plate limit positioning block 55 is protruded on the stretched connection bottom plate 47. The bottom plate limit positioning block 55 is arc-shaped, and the bottom plate limit positioning The block 55 can be positioned and limited with the upper tooth portion or the lower tooth portion, and the bottom plate limit positioning block 55 and the connecting pipe cover 52 are respectively located on both sides of the stretched connection bottom plate 47. When the oral cavity is stretched, the bottom plate limit positioning block 55 can be located between the lower lip and the lower teeth, or between the upper lip and the upper teeth, so as to realize positioning and spacing when stretching.

In the embodiment of the present application, when the bottom plate limit positioning block 55 is used to position the lower teeth, the oral cavity expansion plate 49 can be used to cooperate with the upper teeth, and when the bottom plate limit positioning block 55 is used to position the upper teeth , then utilize oral cavity expansion plate 49 to be able to cooperate with lower tooth portion, can realize the expansion of oral cavity by adjusting the distance between oral cavity expansion plate 49 and expansion connection base plate 47.

During specific implementation, the oral cavity expansion plates 49 are distributed symmetrically, and the oral cavity expansion plates 49 are located outside the tube sleeve 52 . In order to realize the adjustment of the position between the oral cavity expansion plate 49 and the expansion connecting bottom plate 47 , the oral cavity expansion plate 49 is located at one end of the oral cavity expansion rod 71 . An adjusting rod sleeve 72 is arranged on the stretched connecting bottom plate 47 , and the adjusting rod body sleeve 72 and the connecting pipe sleeve 52 are located on the same side of the stretched connecting bottom plate 47 . The adjusting rod body cover 72 can be nested on the oral cavity expansion rod 71, and the oral cavity expansion rod 71 can also be connected with the adjustment knob 48. The adjustment knob 48 and the oral cavity expansion plate 49 are respectively located on both sides of the expansion connection base plate 47. The adjustment knob 48 cooperates with the oral cavity expansion rod 71 to realize the adjustment of the distance between the oral cavity expansion plate 49 and the expansion connection base plate 47 .

In the embodiment of the present application, after the adjusting rod body sleeve 72 is set on the oral cavity expansion rod 71 , the length direction of the oral cavity expansion rod 71 is perpendicular to the plane where the expansion connecting bottom plate 47 is located. The adjustment knob 48 can rotate relative to the oral cavity expansion rod 71. When the adjustment knob 48 rotates, it can drive the oral cavity expansion rod 71 to move linearly. After the oral cavity expansion rod 71 moves, the oral cavity expansion plate 49 at the end of the oral cavity expansion rod 71 Connecting base plate 47 with strutting can change accordingly.

As shown in Fig. 19, Fig. 20 and Fig. 21, there is a strut external thread 81 on the oral cavity expansion rod 71, and the expansion external thread 81 is distributed along the length direction of the oral cavity expansion rod 71, and the oral cavity expansion plate 49 is positioned at the One end of the opening rod 71 , the length direction of the oral cavity expansion rod 71 is perpendicular to the plane of the oral cavity expansion plate 49 . On the oral cavity expansion plate 49, a expansion plate limiting block 53 is also protruded, and the expansion plate limiting block 53 can be used to realize the spacing when expanding. The oral cavity expansion rod 71 is also provided with internal expansion guide grooves 82 , and the internal expansion guide grooves 82 are distributed along the length direction of the oral cavity expansion rod 71 .

The adjustment knob 48 has a hollow structure, and the outer wall of the adjustment knob 48 is provided with an adjustment knob protrusion 73 , and the reliability when the adjustment knob 48 is turned can be improved by adjusting the adjustment knob protrusion 73 . One end of adjusting knob 48 is provided with adjusting knob positioning groove 75, and adjusting knob locking groove 74 is set at the bottom of the groove of adjusting knob positioning groove 75, the depth of adjusting knob positioning groove 75 is less than the wall thickness of adjusting knob 48, and adjusting knob locking groove 74 runs through the side wall of the adjusting knob 48 .

It also includes a rotating connecting body 50 that can be fitly connected with the adjusting knob 48 , and the rotating connecting body 50 is in the shape of a ring, as shown in FIG. 20 . The rotating connecting body 50 comprises a rotating connecting ring 77, and a rotating connecting body breach 76 is arranged on the rotating connecting ring 77. The rotating connecting body 50 can be adapted to the adjusting knob positioning groove 75 on the adjusting knob 48 , and the rotating connecting body 50 can be embedded in the adjusting knob positioning groove 75 . At least one set of rotation locking units is arranged inside the rotation connecting body 50 , and FIG. 20 shows the situation that three sets of rotation locking units are arranged in the rotation connection ring 77 . Specifically, the rotating locking unit includes rotating the first internal locking block 79 and rotating the second internal locking block 80, wherein the ends corresponding to the rotating first internal locking block 79 and the rotating second internal locking block 80 have hook-shaped projections. block, turn the hook-shaped protrusion at the end of the first inner lock block 79, and turn the hook-shaped protrusion at the end of the second inner lock block 80 to point to the outside. The rotation locking unit can cooperate with the adjusting knob locking groove 74. When the rotating locking unit is snapped into the adjusting knob locking groove 74, the rotation between the first inner locking block 79, the second inner locking block 80 and the adjusting knob locking groove 74 can be used. Cooperating, the entire rotating connecting body 50 can be locked in the positioning groove 75 of the adjusting knob.

The adjusting knob 48 has an internal thread capable of engaging with the external thread 81 of the strut. An adjustment knob connection sleeve 87 that can be adapted to the adjustment knob 48 is also arranged on the stretched connection bottom plate 47, and the adjustment knob connection sleeve 87 is on the stretched connection bottom plate 47. 87 can be communicated with adjusting rod cover 72. An adjustment knob connection collar groove 88 is provided on the outer wall of the adjustment knob connection sleeve 87 . Adjusting knob 48 can be enclosed within on the adjusting knob connecting sleeve 87, when adjusting knob 48 is enclosed within on adjusting knob connecting sleeve 87, adjusting knob positioning groove 75 can just correspond to adjusting knob connecting collar 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 rotating connecting body 50 can be snapped into the adjusting knob 75 , and at the same time, the rotating locking unit can extend into the adjusting knob connecting collar groove 88 through the adjusting knob locking groove 74 . The adjusting knob 48 can be effectively connected to the adjusting knob connecting sleeve 87 by using the rotating connecting body 50 , and the adjusting knob 48 can be kept rotating on the adjusting knob connecting sleeve 87 .

When the oral cavity expansion rod 71 is inserted into the adjusting rod body sleeve 72, the oral cavity expansion rod 71 can enter the adjusting knob 48 through the adjusting rod body sleeve 72, and realize the threaded connection with the adjusting knob 48. When the adjustment knob 48 is turned, the threaded connection between the adjustment knob 48 and the oral cavity expansion rod 71 can be used to drive the linear motion of the oral cavity expansion rod 71 to achieve the adjustment of the distance between the oral cavity expansion plate 49 and the expansion connection base plate 47. Purpose. In order to prevent the rotation of the oral cavity expansion rod 71 and the oral cavity expansion plate 49 in use, a strut positioning block 78 is arranged in the adjustment rod body cover 72, and the strut positioning block 78 can be embedded in the expansion of the oral cavity expansion rod 71. guide slot 82. Utilize the opening positioning block 78 to cooperate with the mouth opening bar 71 to prevent the rotation of the mouth opening bar 71; as can be seen from the above description, when the distance between the mouth opening plate 49 and the opening connecting base plate 47 is adjusted, the mouth opening bar 71 Therefore, the cooperation between the expansion positioning block 78 and the expansion inner guide groove 82 of the oral cavity expansion rod 71 will not hinder the position adjustment of the oral cavity expansion plate 49 . In addition, an adjustment handle 54 is also provided on the adjustment rod sleeve 72 .

As shown in Fig. 1, Fig. 2, Fig. 9, Fig. 10, Fig. 11, Fig. 12, Fig. 15 and Fig. 16, the cover 1 includes an inflatable cover airbag and a Cover airbag inflation and deflation connecting pipe 3, one end of the cover airbag inflation and deflation connection pipe 3 is connected and communicated with the cover airbag, and the other end of the cover airbag inflation and deflation connection pipe 3 is connected with the airbag sealing valve 4.

In the embodiment of the present application, the airbag for the cover body can be in the form of an existing commonly used airbag. After the airbag for the cover body is inflated, the cover body airbag can be used to form the cover body 1 . The cover airbag can be inflated and deflated through the cover airbag inflation and deflation connecting pipe 3. The airbag sealing valve 4 can adopt the existing common form, and the airbag sealing valve 4 can be used to cooperate with the cover airbag inflation and deflation connecting pipe 3. The process of inflating and deflating the cover airbag is consistent with the process of inflating and deflating the existing airbag, which is well known to those skilled in the art and will not be repeated here.

Of course, in actual implementation, the cover body 1 can also adopt the form of non-inflatable, and the specific conditions of the cover body 1 can be selected according to actual needs, and will not be repeated here.

Claims (10)

1. A high-frequency ventilation laryngeal mask capable of performing airway surgery, comprising a laryngeal mask body, the laryngeal mask body comprising a mask body (1) capable of covering the oral mucosa around the glottis and adapted to the mask body (1) The connected mask body tube is characterized in that: a laryngeal mask ventilation joint that can be adapted to be connected with the mask body tube is provided at the end of the mask body tube, and the laryngeal mask ventilation joint can be used to cooperate with the laryngeal mask body to perform the desired operation. of high-frequency ventilation.
2. The high-frequency ventilation laryngeal mask capable of airway operation according to claim 1, characterized in that: the laryngeal mask ventilation connector includes a first connector (5) for laryngeal mask ventilation that can be adapted to connect with the mask body tube;

   The first joint for laryngeal mask ventilation (5) includes a first joint tube for ventilation that can be adapted to be connected to the mask body tube, and a first connecting pipe (8) for the first joint, a first The second connecting pipe (9) of the joint and the third connecting pipe (10) of the first joint, the first connecting pipe (8) of the first joint, the second connecting pipe (9) of the first joint, the third connecting pipe of the first joint The pipes (10) are all communicated with the first joint pipe for ventilation.
3. The high-frequency ventilation laryngeal mask capable of airway operation according to claim 1, characterized in that: the mask body tube includes a sealed connection tube (2) that can be sealed with the mask body (1), and the laryngeal mask is ventilated The connector includes a second connector (11) for laryngeal mask ventilation that can be adapted to be connected to the sealed connecting pipe (2);

   The second joint (11) for laryngeal mask ventilation includes a second joint tube (83) for ventilation that can be adapted to the sealed connection tube (2), and a second joint high and low frequency ventilation part, The second joint status monitoring connection part and the second joint mechanical ventilation tube (12) that can be used for mechanical ventilation, the second joint mechanical ventilation tube (12) is communicated with the second ventilation joint tube (83), and the second joint mechanical ventilation tube (12) is connected to the second ventilation joint tube (83). The end portion of the joint pipe (83) is also provided with a joint pipe end cap (14), and several operation positioning holes that allow surgical instruments are set on the joint pipe end cap (14), and the surgical instruments inserted through the operation positioning holes can be placed in sequence. After passing through the second joint (11) for laryngeal mask ventilation and the sealed connection tube (2), it enters the mask body (1).
4. The high-frequency ventilation laryngeal mask capable of performing airway surgery according to claim 3 is characterized in that: the high-low frequency ventilation part of the second joint and the state monitoring connection part of the second joint are respectively located at the second joint of the laryngeal mask ventilation ( 11) On the corresponding two sides, the mechanical ventilation pipe (12) of the second joint is located between the high and low frequency ventilation part of the second joint and the state monitoring connection part of the second joint;

   The high and low frequency ventilation part of the second joint includes a high and low frequency ventilation tube (13) of the second joint connected with the second joint (11) of laryngeal mask ventilation, and a high and low frequency ventilation tube (13) connected with the high and low frequency ventilation tube of the second joint. a ventilation transition part (30) and a ventilation output part (29) connected to the high-low frequency ventilation transition part (30);

   The second joint high and low frequency air pipe (13) communicates with the first air outlet of the output part in the air output part (29) through the transition part first air hole (37) in the high and low frequency air transition part (30), and the second joint is high The low-frequency ventilation pipe (13) communicates with the second ventilation hole of the output part in the ventilation output part (29) through the second ventilation hole (38) of the transition part in the high-low frequency ventilation transition part (30).
5. The high-frequency ventilating laryngeal mask capable of performing airway surgery according to claim 4, characterized in that: the first vent hole (37) of the transition part and the second vent hole (38) of the transition part transition between high and low frequency ventilation The inside of the part (30) is distributed obliquely, and the length direction corresponding to the first air outlet of the output part and the second air outlet of the output part is consistent with the length direction of the second joint (11) for laryngeal mask ventilation;

   It also includes a first output air pipe (20) that is adapted to connect with the first air outlet of the output part and a second output air pipe (21) that is adaptively connected with the second air outlet of the output part. The inner wall is provided with a vent tube storage cover (39) that can accommodate the first output vent tube (20) and the second output vent tube (21). The two output air pipes (21) are accommodated on one side of the sealed connecting pipe (2).
6. According to claim 3, the high-frequency ventilation laryngeal mask capable of performing airway surgery is characterized in that it also includes a cap-sealing mechanism, the cap-sealing mechanism includes a plurality of cap-sealing bodies, through which the first cap-sealing body can realize The high and low frequency ventilation part of the two joints, the state monitoring connection part of the second joint, the mechanical ventilation part (12) of the second joint and/or the sealing of the operation positioning hole.
7. The high-frequency ventilation laryngeal mask capable of airway operation according to claim 1, characterized in that: the mask body tube includes the first connecting tube (41) of the mask body and the mask body The second connecting pipe (42), on the cover body (1), is provided with a surgical operation hollow area (51) penetrating through the cover body (1), and the surgical operation hollow area (51) is adjacent to the throat of the mask body (1). One end of the mask ventilation joint, the surgical operation hollow area (51) is located between the first connecting pipe (41) of the mask body and the second connecting pipe (42) of the mask body;

   The end of the first connecting pipe (41) of the mask body and the second connecting pipe (42) of the mask body are connected through the mouth spreader (45) correspondingly to the end far away from the mask body (1). The end of the tube (41) and/or the second connecting tube (42) of the cover body (42) relatively far away from the cover body (1) is fitted and connected.
8. The high-frequency ventilation laryngeal mask capable of performing airway surgery according to claim 7, is characterized in that: it also includes a first connecting pipe (41) and a second connecting pipe (42) of the mask body that can be adaptively connected The tongue depressor (46), and the spatula (46) corresponds to the opening of the mask (1), and one end of the spatula (46) stretches into the mouthpiece (1) through the surgically operated hollow area (51). In the cavity, the other end of the spatula (46) is adjacent to the oral spreader (45).
9. The high-frequency ventilating laryngeal mask capable of performing airway surgery according to claim 7, characterized in that: the oral spreader (45) includes a tube (41) that can be connected to the first tube (41) of the mask body and the second tube (41) of the mask body. The connecting pipe (42) is adapted to be connected with a stretched connecting bottom plate (47), and a length-adjustable oral cavity stretching rod (71) is arranged on the stretching connecting bottom plate (47), and an oral cavity stretching rod (71) is arranged on the stretching connecting bottom plate (47). ) is provided with an oral cavity expansion plate (49).
10. According to any one of claims 1 to 9, the high-frequency ventilation laryngeal mask capable of performing airway surgery is characterized in that: the mask body (1) includes an inflatable mask airbag and is adapted to the mask airbag. Connected cover airbag inflation and deflation connecting tube (3), one end of the cover airbag inflation and deflation connecting tube (3) is connected and communicated with the cover airbag, and the other end of the cover airbag inflation and deflation connecting tube (3) Connect with airbag sealing valve (4).

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