CN209033418U - Exempt to inflate suction sputum type intubating laryngeal mask - Google Patents

Abstract

Exempt to inflate suction sputum type intubating laryngeal mask the utility model relates to one kind comprising cover and cover pipe；Cover includes cover bottom plate and cover main body, and the cover chamber that can be connected to cover pipe is arranged in the center in cover main body, in the positioning and guiding body that the intracavitary setting of cover is connected to cover pipe；It further include the airway device sealing valve being set in cover tube head end, airway device can pass through airway device sealing valve and protrude into cover pipe, and the airway device protruded into cover pipe can lead that extend rearward into cover intracavitary by positioning and guiding body；After airway device penetrates in cover pipe, the cover tube head end that airway device passes through can be sealed using airway device sealing valve.The utility model is able to achieve the sealing after airway device insertion during gas supply, reduce the complexity and use cost of laryngeal mask, the ventilation sealing effect for ensuring that laryngeal mask need not be inflated when use, it is able to achieve the attraction of secretion in venting process, it avoids epiglottis from blocking air flue, improves the Stability and dependability used.

Description

Exempt to inflate suction sputum type intubating laryngeal mask

Technical field

Exempt to inflate suction sputum type intubating laryngeal mask the utility model relates to a kind of intubating laryngeal mask, especially one kind, belongs to Medical treatment device The technical field of tool.

Background technique

Laryngeal mask as a kind of for safeguarding the medical instrument of patient respiratory ventilation, in clinic the characteristics of because of its non-intruding air flue It is used widely in anesthesia, first aid or recovery.With the progress of material and technology, answered there are many follow-on laryngeal mask at present For clinic, but there are also many problems to exist for the laryngeal mask of the prior art.

Current laryngeal mask is all made of air bag or flexible glue circle packet glottis of having mercy on and implements sealing effect, and sealing is in the nature air bag or soft Cushion rubber is to the mucosa pressing around glottis, and the pressure perpendicular of pressure and gas leakage, sealing effect is poor, reaches clinical Sealing effect needs biggish pressure, often results in that patient is postoperative to have sore throat；And pressure it is lower when, and often occur gas leakage, Ventilation failure or saliva flow inlet port is caused to occur accidentally to inhale.

In the poor patient airway's intubation of certain respiratory functions, in order to increase the safety of trachea cannula, often need on one side Breathing Suppotion one side trachea cannula, currently, most efficient method is using laryngeal mask guidance tracheal intubation.Currently, guidance tracheae is inserted The laryngeal mask of pipe, in intubation, gas leakage is serious, influences Breathing Suppotion effect, brings security risk to patient.

Current laryngeal mask can not carry out effective suction sputum during Breathing Suppotion, and inadequate suction sputum often results in gas leakage and throat Portion's frictionally damage.The relatively broad laryngeal mask of clinical use is bladder-type, and when use is higher to the pressure requirements of air bag, needs charge and discharge Gas operation, use are relatively complicated.

Summary of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind and exempt to inflate suction sputum type intubation larynx Cover, compact-sized, the sealing after airway device insertion is able to achieve during gas supply reduces the complexity and use of laryngeal mask Cost, when use need not inflation ensure that the ventilation sealing effect of laryngeal mask, be able to achieve the attraction of secretion in venting process, keep away Exempt from epiglottis and block air flue, improves the Stability and dependability used.

It is described to exempt to inflate suction sputum type intubating laryngeal mask according to technical solution provided by the utility model, including glottis can be shrouded The cover of surrounding oral mucous membrane and the cover pipe that connection is adapted to the cover；The cover includes cover bottom plate and setting Cover main body on the cover bottom plate, the cover chamber that can be connected to cover pipe is arranged in the center in the cover main body, in cover Setting positioning and guiding body corresponding with cover pipe in body cavity；

It further include the airway device sealing valve being set in cover tube head end, airway device can pass through airway device sealing valve It protrudes into cover pipe, the airway device protruded into cover pipe can be led by positioning and guiding body extends rearward into that cover is intracavitary and air flue device Tool can be directed toward glottis；It, can be to the cover that airway device passes through using airway device sealing valve after airway device penetrates in cover pipe Body tube head end is sealed.

It further include the connection attracting mechanism that vacuum suction can be realized during gas supply, the connection attracting mechanism includes setting The suction connecting tube being placed in cover bottom plate, the oral secretion on cover can flow into suction connecting tube.

Front setting at the cover bottom plate back side attracts regulating tank, and suction connecting tube is located at the head end in cover bottom plate It is connected with regulating tank is attracted, the tail end of suction connecting tube is formed on cover pipe attracts connector.

At least one regulator hole is set on the cover pipe, tune corresponding with regulator hole is set at the back side of cover bottom plate Link slot is pressed, regulator hole can be connected to by pressure regulation link slot with regulating tank is attracted.

Several equally distributed guide-localization blocks are set in the cover pipe, are formed in cover pipe by guide-localization block For the airway device guide-localization chamber of airway device insertion guiding and for remaining that the cover being connected to cover chamber is logical Air cavity, the cover venting cavity are connected to airway device guide-localization chamber, and airway device guide-localization chamber and positioning and guiding body connect Logical and positive alignment.

The cover pipe head end setting for airway device adaptation connection instrument place positioning pipe and for exhale The ventilator mouthpiece of suction machine connection, the instrument places positioning pipe, ventilator mouthpiece is connected with cover Guan Jun, air flue device Tool sealing valve is set to instrument and places in positioning pipe.

The airway device sealing valve includes valve body connecting plate and is adapted to the valve body hub of connection with the valve body connecting plate, The notch at several perforation valve body hub cylinder bottoms is set on the cylinder bottom of the valve body hub, and airway device passes through valve body hub cylinder bottom Notch can run through the valve body hub.

At least one circle sealing film of setting on the top of the cover main body, the sealing film is around the outer ring for being distributed in cover main body And/or the endoceliac inner ring of cover；When cover main body is covered on glottis, the engaging portion of cover main body and glottis can be sealed by sealing film.

At least one circle water conservancy diversion film of lateral wall setting of the cover main body, the water conservancy diversion film and neighbouring water conservancy diversion film or with set The sealing film being placed on cover main body outer wall cooperatively forms flow-guiding channel；Water conservancy diversion film is located between cover bottom plate and sealing film.

Supporting lug is set in the bottom of the cover chamber, the supporting lug includes and attracts the just corresponding tune of regulating tank Geosynclinal convex is saved to rise.

The advantages of the utility model: cover pipe can be sealed using airway device sealing valve, and is worn in airway device Postponing also can guarantee leakproofness, i.e., the sealing after being able to achieve airway device insertion during gas supply is arranged in cover bottom plate Suction connecting tube can be carried out vacuum suction, thus in the same of gas supply after suction connecting tube is connect with external vacuum suction equipment The purpose of Shi Shixian negative-pressure type, sealing film is around the outer ring and/or the endoceliac inner ring of cover for being distributed in cover main body；Utilize sealing film The engaging portion of cover main body and glottis can be sealed, thus in the case where not using air sac sealing, it is ensured that the ventilatory effect of laryngeal mask mentions High laryngeal mask uses success rate and safety；Enough sealings can also be reached by implementing the extremely low pressure of membranous part, and it is postoperative to reduce patient Bottleneck throat pain, and the complexity and use cost of laryngeal mask can be reduced；Water conservancy diversion film is set in cover main body, utilizes water conservancy diversion film energy Water conservancy diversion is carried out to the liquid during gas supply；It using the positioning body that can be inserted into esophagus, can effectively meet the positioning of laryngeal mask, reduce The complexity and use cost of laryngeal mask, avoid epiglottis from blocking air flue, improve the Stability and dependability used.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model.

Fig. 2 is solid of the utility model when the setting of the back side of cover bottom plate attracts regulating tank and pressure regulation link slot Figure.

Fig. 3 is the cross-sectional view that guide-localization block is arranged in the utility model in cover pipe.

Fig. 4 is the cooperation schematic diagram of the utility model cover bottom plate and cover pipe.

Fig. 5 is the perspective view of the utility model cover main body.

Fig. 6 is the structural schematic diagram of the utility model airway device sealing valve.

Description of symbols: 1- cover bottom plate, 2- cover pipe, 3- instrument place positioning pipe, 4- ventilator mouthpiece, 5- gas Road instrument sealing valve, 6- operation handle, 7- regulator hole, 8- sealing film connector, 9- sealing film, 10- attract connector, 11- to lead It flows film, 12- positioning and guiding body, 13- guide-localization head, 14- cover chamber, 15- supporting lug, 16- and attracts regulating tank, 17- pressure regulation Link slot, 18- guide-localization block, 19- cover venting cavity, 20- airway device guide-localization chamber, 21- suction connecting tube, 22- cover Main body, 23- valve body connecting plate, 24- connecting plate connecting hole, 25- valve body hub and 26- notch.

Specific embodiment

Below with reference to specific drawings and examples, the utility model is described in further detail.

As shown in Figure 1, Figure 2 and Figure 4: for the sealing being able to achieve after airway device insertion during gas supply, this is practical Novel includes the cover pipe 2 that can be shrouded the cover of glottis surrounding oral mucous membrane and be adapted to connection with the cover；The cover Including cover bottom plate 1 and the cover main body 22 being set on the cover bottom plate 1, energy is arranged in the center in the cover main body 22 Positioning and guiding body 12 corresponding with cover pipe 2 is arranged in the cover chamber 14 being connected to cover pipe 2 in cover chamber 14；

It further include the airway device sealing valve 5 being set in 2 head end of cover pipe, airway device can pass through airway device and seal Valve 5 protrudes into cover pipe 2, and the airway device protruded into cover pipe 2 can be led by positioning and guiding body 12 and extend rearward into cover chamber 14 Interior and airway device can be directed toward glottis；It, can be to air flue using airway device sealing valve 5 after airway device penetrates in cover pipe 2 2 head end of cover pipe that instrument passes through is sealed.

Specifically, cover, cover pipe 2, which are all made of, meets the material of medical standard and is made, and when in use, cover can cover on sound Men Shang, i.e. cover can be around the oral mucosas shrouded around glottis, generally, and the end that cover is connect with cover pipe 2 is cover The tail end of body, the other end of cover are the head end for forming cover, and the end that cover pipe 2 is connect with cover is the tail end of cover pipe 2, The other end of cover pipe 2 forms the head end of cover pipe.Shape cooperatively formed between cover and cover pipe 2 etc. and existing laryngeal mask phase Together, i.e., cover is had bending adjacent to the region of cover, can be convenient for using the bending of cover pipe 2 in heart-shaped or ellipse, cover pipe 2 Realize the operations such as gas supply insertion.

In the utility model embodiment, cover bottom plate 1, cover main body 22 form the structure of cover, and cover main body 22 is set to cover It, can be around the oral mucosa shrouded around glottis using cover main body 22 on body bottom plate 1.Generally, cover bottom plate 1 and cover main body 22 use integrated formed structure, and the thickness of cover main body 22 is greater than the thickness of cover bottom plate 1, and cover main body 22, cover bottom plate 1 can be used There is medical silica-gel etc. material flexible to be made, convenient for that when in use, will not cause to damage to air flue, glottis etc..In order to meet Gas supply needs, and cover chamber 17 is arranged in cover main body 22, and cover chamber 17 is located at the center of cover main body 22, cover pipe 2 and cover Chamber 17 is connected to, and can be connect with ventilator etc. by cover pipe 2, after cover main body 22 covers on glottis position, be passed through cover pipe 2 and cover The connection of chamber 17 cooperates, and can form air supply channel.

In the utility model embodiment, airway device sealing valve 5, the airway device are set in the head end of cover pipe 2 Sealing valve 5 allows airway device to pass through, and airway device can protrude into cover pipe 2 after passing through airway device sealing valve 5, into cover Airway device in pipe 2 can protrude into positioning and guiding body 12, i.e., under the guiding role of positioning and guiding body 12, can make air flue device Tool enters in cover chamber 14, after airway device enters in cover pipe 2, is able to achieve using airway device sealing valve 5 to air flue device Tool is sealed, and airway device is avoided to enter the leakage of rear gas in cover pipe 2 and influence the sealing effect during gas supply.Tool When body is implemented, airway device can be air flue operational instrument or airway management tool, and air flue operational instrument can be Bronchofiberscope, gas Road management tool can be tracheal catheter；The concrete type of airway device, which can according to need, to be selected, and details are not described herein again.

In the utility model embodiment, positioning and guiding body 12 can using tubulose, arcuate guide structure or other can be right The structure type that the merging of airway device is oriented to, when positioning and guiding body 12 is using tubulose, positioning and guiding body 12 and cover Pipe 2 is just corresponding and is connected to, i.e., airway device enters in cover chamber 14 after capable of being pierced by out of positioning and guiding body 12.In following the description, It is described in detail by taking structure of the positioning and guiding body 12 using tubulose as an example, positioning and guiding body 12 is using other structure types When, it can be substituted by replacement, no longer be illustrated one by one herein.

It further, further include the connection attracting mechanism that vacuum suction can be realized during gas supply, the connection attracts Mechanism includes the suction connecting tube 21 being set in cover bottom plate 1, and the oral secretion on cover can flow into suction connecting tube 21 It is interior.

During laryngeal mask gas supply, in order to be able to achieve the needs of vacuum suction, connection attracting mechanism is also set up, passes through connection Attracting mechanism can attract the secretion etc. in oral cavity during gas supply out.Specifically, the suction connecting tube 21 of attracting mechanism is connected It is set in cover bottom plate 1, suction connecting tube 21 is embedded in cover bottom plate 1 close to the end of 1 head end of cover bottom plate, is attracted and is connected End of the adapter tube 21 far from cover bottom plate 1 can be connect with vacuum suction equipment, and suction connecting tube 21 is connect with vacuum suction equipment Afterwards, negative pressure can be formed in suction connecting tube 21 by suction connecting tube 21, the oral secretions such as saliva can be by vacuum suction.

In the specific implementation, connection can be attracted to lead far from the end fixed setting of cover bottom plate 1 in suction connecting tube 21 Pipe, suction connecting tube 21 attract connecting conduit and negative pressure to inhale by attracting connecting conduit to connect with external vacuum suction equipment Drawing equipment can be using being detachably connected, and vacuum suction equipment can use existing common structure type, specifically can basis It is selected, details are not described herein again.In addition, suction connecting tube 21 inclined distribution, suction connecting tube on cover bottom plate 1 It is not connected to mutually between 21 and cover pipe 2, cover chamber 14.

Further, the front setting at 1 back side of cover bottom plate attracts regulating tank 16, and suction connecting tube 21 is located at cover Head end in body bottom plate 1 is connected with regulating tank 16 is attracted, and the tail end of suction connecting tube 21 forms attraction connection on cover pipe 2 Mouth 10.

In the utility model embodiment, regulating tank 16 is attracted to be located at the back side of cover bottom plate 1, cover main body 22 is located at cover bottom The front of plate 1 attracts the length direction of regulating tank 16 consistent with the length direction of cover bottom plate 1, attracts the length of regulating tank 16 Degree can be not more than the length of cover bottom plate 1, attract regulating tank 16 with cover bottom plate 1 in coaxial distribution, attraction regulating tank 16 is in Arc groove.

In order to flow into the oral secretion on cover in suction connecting tube 21, cover can be set in cover main body 22 and led Head piece, the oral secretion on cover can enter in suction connecting tube 21 by cover flow-guiding mouth.When at the back side of cover bottom plate 1 After setting attracts regulating tank 16, and suction connecting tube 21 is connected to attraction regulating tank 16, oral secretion, pharynx nasalis on cover Secretion homomergic flow enter to attract in regulating tank 16, under the suction function in suction connecting tube 21, can will attract regulating tank 16 Endocrine, which attracts, to be walked, that is, realizes the attractions operation such as suction sputum during gas supply.The engaging portion of suction connecting tube 21 and cover pipe 2 It is formed and attracts connector 10, the vacuum suction by attracting connector 10 that can connect with attraction connecting conduit or directly with outside Equipment connection, attracts connector 10 not to be connected to cover pipe 2 and cover chamber 14, i.e., will not influence just during vacuum suction Normal air supplying operation.

In addition, attracting the shape etc. of regulating tank 16 can be adapted to stomach tube, i.e., stomach tube can be embedded in and attract in regulating tank 16, when Stomach tube embedded in attract regulating tank 16 in after, be able to achieve the positioning to stomach tube, avoid stomach tube influence entire cover for gaseity.

Further, at least one regulator hole 7 is set in the cover pipe 2, setting and tune at the back side of cover bottom plate 1 The corresponding pressure regulation link slot 17 in hole 7 is pressed, regulator hole 7 can be connected to by pressure regulation link slot 17 with regulating tank 16 is attracted.

In the utility model embodiment, regulator hole 7 and cover pipe 2 be it is non-interconnected, regulator hole 7 can be located at cover pipe 2 In tube wall, pressure regulation link slot 17 is set at the back side of cover bottom plate 1, the pressure regulation link slot 17 is located at the rear portion of cover bottom plate 1, Pressure regulation link slot 17 can be connected to regulator hole 7, attraction regulating tank 16.It is close that the rear portion of cover bottom plate 1 specifically refers to cover bottom plate 1 The position of cover pipe 2, the front of cover bottom plate 1 refer to cover bottom plate 1 close to the position of cover pipe 2.In Fig. 2 and Fig. 3, show In cover pipe 2 the case where two regulator hole 7 of setting, in order to be adapted to two regulator holes 7, it is arranged at the back side of cover bottom plate 1 Two pressure regulation link slots 17.

After vacuum suction equipment is connect with suction connecting tube 21, cause in order to avoid the pressure of vacuum suction is excessive mucous membrane by Damage by regulator hole 7, pressure regulation link slot 17 and can attract the cooperation of regulating tank 16 to carry out pressure regulation, specifically during attraction Regulator hole 7 is in opening-wide state when needing to reduce negative pressure by ground, at this point, external gas can be connected by regulator hole 7, pressure regulation Access slot 17, which enters, to be attracted in regulating tank 16, with the continuous circulation of extraneous gas, be can be reduced and is being attracted the negative pressure in regulating tank 16 Sucking action.And when needing sufficiently to attract, then can block two regulator holes 7, at this point, external gas can not regulator hole 7 into Enter to attract in regulating tank 16.

When it is implemented, pressure regulation link slot 17 can also attract the length of regulating tank 16 can be with using the forms such as tubulose It is consistent with the length of cover bottom plate 1.When attracting regulating tank 16 to be only located at the front of cover bottom plate 1, when cooperating with stomach tube, It can only be the case where stomach tube is prior to laryngeal mask insertion.After laryngeal mask intubation, it is also necessary to, can be in cover when carrying out gastric tube inserting and positioning Gastric tube inserting channel is set in body pipe 2, attracts the length of regulating tank 16 consistent with the length of cover bottom plate 1, or in cover The structure of groove profile or tubulose that the rear portion setting of bottom plate 1 allows stomach tube to pass through, stomach tube pass through the gastric tube inserting channel in cover pipe 2 Attract in regulating tank 16 into cover pipe 2, and by entering after the groove profile at 1 rear portion of cover bottom plate or tubular structure transition, leads to Situations such as crossing the positioning for attracting regulating tank 16 to realize to stomach tube, stomach tube is avoided to swing influences laryngeal mask and normally ventilates, and passes through stomach tube The gastric juice of tail portion, gas etc. can be discharged.

As shown in figure 3, several equally distributed guide-localization blocks 18 are arranged in the cover pipe 2, pass through in cover pipe 2 Guide-localization block 18 formed for airway device insertion guiding airway device guide-localization chamber 20 and for remain with The cover venting cavity 19 that cover chamber 14 is connected to, the cover venting cavity 19 are connected to airway device guide-localization chamber 20, air flue device Tool guide-localization chamber 20 is connected to positioning and guiding body 12 and positive alignment.

In the utility model embodiment, guide-localization block 18 is uniformly and symmetrically distributed in cover pipe 2, passes through guide-localization block 18 form airway device guide-localization chamber 20 in cover pipe 2, and the area outside airway device guide-localization chamber 20 is formed in cover pipe 2 Domain is respectively formed cover venting cavity 19, and cover venting cavity 19 can be connected to cover chamber 14 always, guarantees that the gas supply in cover chamber 14 is logical Road is unobstructed.It airway device guide-localization chamber 20 and 12 positive alignment of positioning and guiding body and is connected to, airway device guide-localization chamber 20 Axis and the axis of positioning and guiding body 12 are located at same straight line, in the effect system of airway device guide-localization chamber 20, into cover Airway device in pipe 2 can facilitate into positioning and guiding body 12, and be pierced by out of positioning and guiding body 12.

When it is implemented, end positioning and guiding head 13 of the positioning and guiding body 12 in cover chamber 14, positioning and guiding head 13 with Positioning and guiding body 12 is connected to, and positioning and guiding head 13 is arc-shaped in positioning and guiding body 12, and positioning and guiding head 13 is to far from cover bottom The direction of plate 1 tilts, and under the action of positioning and guiding head 13, avoids airway device when being pierced by out of positioning and guiding body 12 to glottis And corresponding airway mucus generates damage.In addition, video heads can also be arranged on positioning and guiding head 13, mentioned using video heads The video information of confession can merging process to airway device support.It is, of course, also possible to soft using the video cooperated with airway device Bar etc. obtains video information, to ensure the Stability and dependability of airway device merging process.

Further, the cover pipe 2 head end setting for airway device adaptation connection instrument place positioning pipe 3 with And the ventilator mouthpiece 4 for connecting with ventilator, the instrument place positioning pipe 3, ventilator mouthpiece 4 and cover pipe 2 It is connected, airway device sealing valve 5 is set to instrument and places in positioning pipe 3.

In the utility model embodiment, ventilator mouthpiece 4 is set in the head end of cover pipe 2 and instrument places positioning pipe 3, it is connect using ventilator mouthpiece 4 with ventilator, placing positioning pipe 3 using instrument allows placing for airway device, i.e. air flue Instrument can protrude into cover pipe 2 after placing positioning pipe 3 by instrument.Instrument places positioning pipe 3, ventilator mouthpiece 4 and pressure regulation Hole 7 is not connected to.Airway device sealing valve 5 is located at instrument and places in positioning pipe 3, can sealer using airway device sealing valve 5 Tool places positioning pipe 3, and after airway device is placed in the entrance cover pipe 2 of positioning pipe 3 by instrument, is sealed using airway device Valve 5 is able to maintain the leakproofness that instrument places positioning pipe 3, i.e. gas in cover pipe 2 will not place the ease of positioning pipe 3 by instrument Out.

When it is implemented, airway device sealing valve 5 allows, an airway device is passed through or multiple airway devices pass through simultaneously, To meet the needs of different situations downtake operation, it specifically can according to need and selected, details are not described herein again.In addition, Only setting a ventilator mouthpiece 4 can be arranged in the head end of cover pipe 2, pass through the tubulose knot cooperated with ventilator mouthpiece 4 Structure is able to achieve above-mentioned ventilator mouthpiece 4, instrument places the fit form between positioning pipe 3.In addition, also being set on cover pipe 2 Operation handle 6 is set, operation handle 6 is located at ventilator mouthpiece 4 and instrument places the lower section of 3 engaging portion of positioning pipe, utilizes operation Handle 6 is convenient for the entire laryngeal mask of holding.

As shown in fig. 6, the airway device sealing valve 5 include valve body connecting plate 23 and with 23 company of adaptation of valve body connecting plate The notch 26 at several perforation 25 bottoms of valve body hub, gas is arranged in the valve body hub 25 connect on the cylinder bottom of the valve body hub 25 Road instrument can run through the valve body hub 25 by the notch 26 at 25 bottoms of valve body hub.

In the utility model embodiment, valve body connecting plate 22 is located at the outer ring of 25 nozzle of valve body hub, on valve body connecting plate 23 Several connecting plate connecting holes 24 are set, valve body connecting plate 23 can be assemblied in by the pipe that instrument places positioning pipe 3 by connecting plate connecting hole 24 Mouthful.When valve body connecting plate 23, which is assemblied in instrument, places the nozzle of positioning pipe 3, valve body hub 25 can be located at instrument and place positioning pipe In 3.The notch 26 at 25 bottoms of valve body hub penetrates through the cylinder bottom of valve body hub 25, and notch 26 is on the cylinder bottom of valve body hub 25 in equal Even distribution shows in Fig. 6 and three equally distributed 26 schematic diagrames of notch is arranged at the cylinder bottom of valve body hub 25.Valve body hub 25 And valve body connecting plate 23 is all made of plastics flexible and is made, and valve body hub 25 has elasticity, therefore, different airway devices is equal Notch 26 can be passed through, the cylinder bottom of the corresponding valve body hub 25 of notch 26 can be attached on the outer wall of airway device, be realized to air flue device Tool place after effective sealing.

As shown in figure 5, the sealing film 9 is around distribution at least one circle sealing film 9 of the top of the cover main body 22 setting Inner ring in the outer ring of cover main body 22 and/or cover chamber 14；When cover main body 22 is covered on glottis, by sealing film energy seal closure The engaging portion of main body 22 and glottis.

In order to guarantee for gaseity, at least one circle sealing film 9 of setting, the sealing film 9 on the top of the cover main body 22 Around the inner ring being distributed in the outer ring and/or cover chamber 14 of cover main body 22；When cover main body 22 is covered on glottis, by sealing film The engaging portion of cover main body 22 Yu glottis can be sealed, to can ensure that the effect of ventilation.I.e. sealing film can be in the outer of cover main body 22 It is uniformly distributed on wall and along the outer wall of cover main body 22, or sealing film is arranged in cover chamber 14, seals film in cover chamber 14 Consistent with the shape of cover chamber 14, sealing film will not influence the normal aeration status of cover chamber 14 in cover chamber 14；Certainly, Sealing film can be set simultaneously on the outer wall of cover main body 22 and in cover chamber 14, seal distribution shape of the film in cover main body 22 State, which can according to need, to be selected.

The structures such as air bag that no setting is required compared with existing laryngeal mask, on cover are in positive pressure shape in ventilation in cover chamber 14 State, air pressure when using gas supply to seal the engaging portion that film is tightly attached to cover main body 22 Yu glottis, that is, utilize sealing film energy ring Mucous membrane around glottis is simultaneously sealed, and in the case where being not necessarily to inflation/deflation, is improved laryngeal mask and is used success rate and safety；It is real Enough sealings can also be reached by applying the extremely low pressure of membranous part, reduce the postoperative bottleneck throat pain of patient.

Sealing film can be made of film, and sealing film and cover main body 22 cooperate, and complexity, the life of laryngeal mask can be effectively reduced Produce cost and use cost.When it is implemented, the edge of the sealing film is tilted to the direction far from cover bottom plate 1, close After the edge of sealer tilts, when gas supply, it is further able to improve sealing film to the sealing effect of cover main body 22 and glottis engaging portion.

Further, at least one circle water conservancy diversion film 11 of the lateral wall setting of the cover main body 22, the water conservancy diversion film 11 and neighbour Close water conservancy diversion film 11 cooperatively forms flow-guiding channel with the sealing film 9 being set on 22 outer wall of cover main body；Water conservancy diversion film 11 is located at cover Between body bottom plate 1 and sealing film.

In the utility model embodiment, water conservancy diversion film 11 is located at the central region of cover main body 22, and water conservancy diversion film 11 is equally around cover The outer ring of main body 22, water conservancy diversion film 11 and sealing film 9 are in parallelly distribute on.In attached drawing, two circle sealing of setting in cover main body 22 is shown The case where film 9, seals between film 9 and water conservancy diversion film 11 that there are gaps there are gap between two circle sealing films 9, utilizes sealing film 9 and water conservancy diversion Gap between film 11 can form the channel to saliva water conservancy diversion；Certainly, it using the gap between two circle sealing films 9, can also be formed To the channel of saliva water conservancy diversion, i.e., in gas supply, saliva can be flowed by corresponding flow-guiding channel to the head end of cover, so as to In into suction connecting tube 21 or by attracting regulating tank 16 to enter in suction connecting tube 21.

Further, sealing film is used for around when being distributed on the outer wall of cover main body 22 in the head end setting of cover main body 22 The sealing film connector 8 of sealing film turnup is prevented, the sealing film in cover main body 22 is connect with sealing film connector 8.

In the utility model embodiment, sealing film connector 8 is located at the head end of cover main body 22, seals the shape of film connector 8 Sealing film in cover main body 22 can be connected by sealing film connector 8, seal film by the shape adaptation of shape and 22 head end of cover main body Connector 8 is avoided that the merging of cover main body 22 seals film in the process using having the material of hardness to be made, by sealing film connector 8 Turnup, that is, will not influence sealing film to the engaging portion of cover main body 22 and glottis.Sealing film connector 8 is located at the head of cover main body 22 End, sealing film connector 8 will not influence the normal use for attracting regulating tank 16.

Further, supporting lug 15 is set in the bottom of the cover chamber 14, the supporting lug 15 includes and attraction The just corresponding regulating tank protrusion of regulating tank 16.

In the utility model embodiment, supporting lug 15 is located in cover chamber 14, supporting lug 15 and attraction regulating tank 16 Positive corresponding, supporting lug 15 is arc-shaped in cover chamber 14, and supporting lug 15 is in cover chamber 14 and protrudes from cover bottom plate 1, to form appetite pipe protrusion, certainly, supporting lug 15 can also use non-just corresponding position shape with regulating tank 16 is attracted State.In addition, supporting lug 15 can also include suction connecting tube protrusion just corresponding with suction connecting tube 21, suction connecting tube is convex The height risen can be less than appetite pipe protrusion.

When cover main body 20 covers on glottis, using the cooperation of supporting lug 15 and epiglottis, epiglottis is avoided to block cover pipe 2 With the connection of cover chamber 14, i.e., it will not block gas passage, it is ensured that the Stability and dependability of ventilation.

Claims (10)

1. one kind exempt from inflate suction sputum type intubating laryngeal mask, including can shroud glottis surrounding oral mucous membrane cover and with the cover It is adapted to the cover pipe (2) of connection；It is characterized in that: the cover includes cover bottom plate (1) and is set to the cover bottom plate (1) On cover main body (22), the cover chamber (14) that can be connected to cover pipe (2) is arranged in the center in the cover main body (22), in cover Setting positioning and guiding body (12) corresponding with cover pipe (2) in body cavity (14)；

It further include the airway device sealing valve (5) being set in cover pipe (2) head end, airway device can pass through airway device and seal Valve (5) protrudes into cover pipe (2), and the airway device protruded into cover pipe (2) can be led by positioning and guiding body (12) and be extended rearward into In cover chamber (14) and airway device can be directed toward glottis；After airway device penetrates in cover pipe (2), sealed using airway device Valve (5) can be sealed cover pipe (2) head end that airway device passes through.

2. according to claim 1 exempt to inflate suction sputum type intubating laryngeal mask, it is characterized in that: further including can be real during gas supply The connection attracting mechanism of existing vacuum suction, the connection attracting mechanism includes the suction connecting tube being set in cover bottom plate (1) (21), the oral secretion on cover can flow into suction connecting tube (21).

3. according to claim 2 exempt to inflate suction sputum type intubating laryngeal mask, it is characterized in that: at cover bottom plate (1) back side Front setting attract regulating tank (16), suction connecting tube (21) is located at head end in cover bottom plate (1) and attraction regulating tank (16) it is connected, the tail end of suction connecting tube (21) is formed on cover pipe (2) attracts connector (10).

4. according to claim 3 exempt to inflate suction sputum type intubating laryngeal mask, it is characterized in that: being arranged on the cover pipe (2) Pressure regulation link slot (17) corresponding with regulator hole (7), pressure regulation is arranged at the back side of cover bottom plate (1) at least one regulator hole (7) Hole (7) can be connected to by pressure regulation link slot (17) with regulating tank (16) are attracted.

5. according to claim 1 exempt to inflate suction sputum type intubating laryngeal mask, it is characterized in that: the setting in the cover pipe (2) Several equally distributed guide-localization blocks (18), interior formed by guide-localization block (18) of cover pipe (2) insert for airway device Enter the airway device guide-localization chamber (20) of guiding and for remaining the cover venting cavity being connected to cover chamber (14) (19), the cover venting cavity (19) is connected to airway device guide-localization chamber (20), airway device guide-localization chamber (20) with Positioning and guiding body (12) connection and positive alignment.

6. according to claim 1 exempt to inflate suction sputum type intubating laryngeal mask, it is characterized in that: the head end of the cover pipe (2) is set It sets and places positioning pipe (3) for the instrument of airway device adaptation connection and the ventilator mouthpiece for connecting with ventilator (4), the instrument places positioning pipe (3), ventilator mouthpiece (4) is connected with cover pipe (2), airway device sealing valve (5) instrument is set to place in positioning pipe (3).

7. according to claim 1 or 6 exempts from inflation suction sputum type intubating laryngeal mask, it is characterized in that: the airway device sealing valve (5) include valve body connecting plate (23) and be adapted to the valve body hub (25) of connection with the valve body connecting plate (23), in the valve body set The notch (26) at several perforation valve body hub (25) cylinder bottoms is set on the cylinder bottom of cylinder (25), and airway device passes through valve body hub (25) The notch (26) at cylinder bottom can run through the valve body hub (25).

8. according to claim 1 exempt to inflate suction sputum type intubating laryngeal mask, it is characterized in that: on the top of the cover main body (22) At least one circle sealing film (9) of setting, sealing film (9) is around outer ring and/or the cover chamber (14) for being distributed in cover main body (22) Interior inner ring；When cover main body (22) is covered on glottis, the engaging portion of cover main body (22) and glottis can be sealed by sealing film.

9. according to claim 8 exempt to inflate suction sputum type intubating laryngeal mask, it is characterized in that: in the outside of the cover main body (22) At least one circle water conservancy diversion film (11) of wall setting, the water conservancy diversion film (11) and neighbouring water conservancy diversion film (11) or be set to cover main body (22) Sealing film on outer wall cooperatively forms flow-guiding channel；Water conservancy diversion film (11) is located between cover bottom plate (1) and sealing film.

10. according to claim 3 exempt to inflate suction sputum type intubating laryngeal mask, it is characterized in that: at the bottom of the cover chamber (14) Supporting lug (15) are arranged in portion, and the supporting lug (15) includes and attracts regulating tank (16) just corresponding regulating tank protrusion.