CN108434569B - Inflation-free sputum suction type intubate laryngeal mask - Google Patents
Inflation-free sputum suction type intubate laryngeal mask Download PDFInfo
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- CN108434569B CN108434569B CN201810511573.9A CN201810511573A CN108434569B CN 108434569 B CN108434569 B CN 108434569B CN 201810511573 A CN201810511573 A CN 201810511573A CN 108434569 B CN108434569 B CN 108434569B
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- cover body
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- 206010036790 Productive cough Diseases 0.000 title claims abstract description 15
- 208000024794 sputum Diseases 0.000 title claims abstract description 15
- 210000003802 sputum Anatomy 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 104
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000009423 ventilation Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 18
- 230000028327 secretion Effects 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 43
- 210000004704 glottis Anatomy 0.000 claims description 26
- 230000000149 penetrating effect Effects 0.000 claims description 24
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 210000002200 mouth mucosa Anatomy 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 210000002409 epiglottis Anatomy 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 62
- 210000002784 stomach Anatomy 0.000 description 13
- 210000003128 head Anatomy 0.000 description 8
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 210000004400 mucous membrane Anatomy 0.000 description 6
- 210000004379 membrane Anatomy 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 210000000214 mouth Anatomy 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000241 respiratory effect Effects 0.000 description 4
- 206010068319 Oropharyngeal pain Diseases 0.000 description 3
- 208000023409 throat pain Diseases 0.000 description 3
- 210000004712 air sac Anatomy 0.000 description 2
- 230000002496 gastric effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 210000004051 gastric juice Anatomy 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0625—Mouth
- A61M2210/065—Throat; Pharynx
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to an inflation-free sputum suction type cannula laryngeal mask which comprises a mask body and a mask body tube; the cover body comprises a cover body bottom plate and a cover main body, a cover body cavity which can be communicated with the cover body pipe is arranged in the central area in the cover main body, and a positioning guide body which is communicated with the cover body pipe is arranged in the cover body cavity; the air passage appliance sealing valve is arranged in the head end of the mask body tube, the air passage appliance can penetrate through the air passage appliance sealing valve to extend into the mask body tube, and the air passage appliance extending into the mask body tube can extend into the mask body cavity after being guided by the positioning guide body; after the airway device penetrates into the mask body tube, the tube head end of the mask body, through which the airway device penetrates, can be sealed by utilizing the airway device sealing valve. The invention can realize the sealing after the air passage appliance is inserted in the air supply process, reduce the complexity and the use cost of the laryngeal mask, ensure the ventilation sealing effect of the laryngeal mask without air inflation in use, realize the suction of secretion in the ventilation process, avoid the epiglottis from blocking the air passage and improve the stability and the reliability of use.
Description
Technical Field
The invention relates to an intubate laryngeal mask, in particular to an inflation-free sputum-aspiration intubate laryngeal mask, and belongs to the technical field of medical appliances.
Background
Laryngeal masks are widely used as a medical device for maintaining respiratory ventilation in patients, due to their non-invasive airway characteristics, in clinical anesthesia, first aid or resuscitation. As materials and techniques advance, a variety of improved laryngeal masks are now available for clinical use, but there are a number of problems associated with prior art laryngeal masks.
The existing laryngeal mask adopts an air bag or a soft rubber ring package Rao Shengmen to implement sealing effect, the sealing nature is that the air bag or the soft rubber ring presses the throat mucosa around the glottis, the pressure is vertical to the pressure of gas leakage, the sealing effect is poor, and larger pressure is required for achieving the clinical sealing effect, so that the throat pain of a patient is often caused after operation; when the pressure is low, gas leakage often occurs, so that ventilation failure or aspiration occurs in the mouth water flow air inlet channel.
In some patients with poor respiratory function, in order to increase the safety of the tracheal cannula, the tracheal cannula is often used while respiratory support is needed, and currently, the most effective method is to guide the tracheal cannula by using a laryngeal mask. At present, when the laryngeal mask for guiding the trachea cannula is used for cannula, air leakage is serious, the respiratory support effect is affected, and potential safety hazards are brought to patients.
Current laryngeal masks fail to effectively aspirate sputum during respiratory support, and barely aspirate sputum often results in gas leakage and rubbing damage to the throat. The laryngeal mask with wide clinical application is an air sac, and has high pressure requirement on the air sac during use, and the laryngeal mask is required to be inflated and deflated and is complicated to use.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the inflation-free sputum suction type cannula laryngeal mask which is compact in structure, can realize sealing after the insertion of an airway instrument in the air supply process, reduces the complexity and the use cost of the laryngeal mask, can ensure the ventilation sealing effect of the laryngeal mask without inflation in use, can realize suction of secretion in the ventilation process, avoids the blockage of the airway by the epiglottis, and improves the stability and the reliability of use.
According to the technical scheme provided by the invention, the inflation-free sputum-aspiration cannula laryngeal mask comprises a mask body capable of covering the oral mucosa around the glottis and a mask body tube which is connected with the mask body in an adapting way; the cover body comprises a cover body bottom plate and a cover main body arranged on the cover body bottom plate, a cover body cavity which can be communicated with the cover body pipe is arranged in the central area in the cover main body, and a positioning guide body corresponding to the cover body pipe is arranged in the cover body cavity;
The device also comprises an air passage device sealing valve arranged in the head end of the mask body tube, the air passage device can penetrate through the air passage device sealing valve to extend into the mask body tube, the air passage device extending into the mask body tube can extend into the mask body cavity after being guided by the positioning guide body, and the air passage device can point to the glottis; after the airway device penetrates into the mask body tube, the tube head end of the mask body, through which the airway device penetrates, can be sealed by utilizing the airway device sealing valve.
The device also comprises a connection suction mechanism capable of realizing negative pressure suction in the air supply process, wherein the connection suction mechanism comprises a suction connecting pipe arranged in the bottom plate of the cover body, and oral secretion on the cover body can flow into the suction connecting pipe.
The front part of the back of the cover body bottom plate is provided with an attraction adjusting groove, the head end of the attraction connecting pipe positioned in the cover body bottom plate is communicated with the attraction adjusting groove, and the tail end of the attraction connecting pipe forms an attraction connecting port on the cover body pipe.
At least one pressure regulating hole is formed in the cover body pipe, a pressure regulating connecting groove corresponding to the pressure regulating hole is formed in the back face of the cover body bottom plate, and the pressure regulating hole can be communicated with the suction regulating groove through the pressure regulating connecting groove.
The device comprises a cover body tube, a plurality of evenly distributed guide positioning blocks are arranged in the cover body tube, an air passage instrument guide positioning cavity for inserting and guiding an air passage instrument and a cover body ventilation cavity for always keeping communication with the cover body cavity are formed in the cover body tube through the guide positioning blocks, the cover body ventilation cavity is communicated with the air passage instrument guide positioning cavity, and the air passage instrument guide positioning cavity is communicated with the guide positioning body and is aligned.
The head end of the mask body tube is provided with an appliance penetrating positioning tube for the adaptive connection of the airway appliance and a breathing machine interface tube for the connection with a breathing machine, the appliance penetrating positioning tube, the breathing machine interface tube and the mask body tube are communicated, and an airway appliance sealing valve is arranged in the appliance penetrating positioning tube.
The air passage instrument sealing valve comprises a valve body connecting plate and a valve body sleeve which is connected with the valve body connecting plate in an adapting mode, a plurality of cuts which penetrate through the bottom of the valve body sleeve are formed in the bottom of the valve body sleeve, and the air passage instrument can penetrate through the valve body sleeve through the cuts of the bottom of the valve body sleeve.
At least one circle of sealing film is arranged on the upper part of the cover main body, and the sealing film surrounds the outer ring of the cover main body and/or the inner ring in the cover cavity; when the cover main body covers the glottis, the joint part between the cover main body and the glottis can be sealed by the sealing film.
At least one circle of guide film is arranged on the outer side wall of the cover main body, and the guide film is matched with an adjacent guide film or a sealing film arranged on the outer wall of the cover main body to form a guide channel; the guide film is positioned between the cover body bottom plate and the sealing film.
The bottom of the cover body cavity is provided with a supporting lug which comprises an adjusting groove bulge corresponding to the suction adjusting groove.
The invention has the advantages that: the sealing valve of the air passage apparatus can be used for sealing the mask body pipe, and the tightness can be ensured after the air passage apparatus is worn, namely, the sealing after the air passage apparatus is inserted in the air supply process can be realized, the suction connecting pipe is arranged in the bottom plate of the mask body, and the suction connecting pipe can be used for carrying out negative pressure suction after being connected with external negative pressure suction equipment, so that the purpose of negative pressure type is realized while the air supply is realized, and the sealing film is circumferentially distributed on the outer ring of the mask body and/or the inner ring in the mask body cavity; the sealing membrane can be used for sealing the joint part of the mask main body and the glottis, so that the ventilation effect of the laryngeal mask is ensured under the condition that the sealing of an air bag is not adopted, and the using success rate and the safety of the laryngeal mask are improved; the application of extremely low pressure on the mucous membrane part can achieve sufficient sealing, reduce the throat pain of patients after operation, and reduce the complexity and the use cost of the laryngeal mask; a diversion film is arranged on the cover main body, and the diversion film can be utilized to conduct diversion on liquid in the air supply process; by using the positioning body capable of being inserted into the esophagus, the positioning of the laryngeal mask can be effectively satisfied, the complexity and the use cost of the laryngeal mask are reduced, the epiglottis is prevented from blocking the dead airway, and the use stability and reliability are improved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the present invention when the suction adjusting groove and the pressure adjusting connecting groove are provided on the back surface of the bottom plate of the cover.
Fig. 3 is a cross-sectional view of the present invention with a guide positioning block disposed within the housing tube.
FIG. 4 is a schematic view showing the cooperation of the bottom plate and the tube.
Fig. 5 is a perspective view of the cover body of the present invention.
Fig. 6 is a schematic view of the structure of the sealing valve of the airway device of the present invention.
Reference numerals illustrate: 1-mask body base plate, 2-mask body tube, 3-appliance insertion positioning tube, 4-breathing machine interface tube, 5-airway appliance sealing valve, 6-operating handle, 7-pressure regulating hole, 8-sealing film connector, 9-sealing film, 10-suction connection port, 11-guide film, 12-positioning guide body, 13-guiding positioning head, 14-mask body cavity, 15-supporting bump, 16-suction adjusting groove, 17-pressure regulating connecting groove, 18-guiding positioning block, 19-mask body ventilation cavity, 20-airway appliance guiding positioning cavity, 21-suction connecting tube, 22-mask body, 23-valve body connecting plate, 24-connecting plate connecting hole, 25-valve body sleeve and 26-incision.
Detailed Description
The invention will be further described with reference to the following specific drawings and examples.
As shown in fig. 1,2 and 4: in order to achieve sealing after insertion of an airway device during the air supply, the invention comprises a mask body capable of covering the oral mucosa around the glottis and a mask body tube 2 which is connected with the mask body in a fitting way; the cover body comprises a cover body bottom plate 1 and a cover main body 22 arranged on the cover body bottom plate 1, a cover body cavity 14 capable of being communicated with the cover body pipe 2 is arranged in the central area in the cover main body 22, and a positioning guide body 12 corresponding to the cover body pipe 2 is arranged in the cover body cavity 14;
The device also comprises an air passage device sealing valve 5 arranged in the head end of the mask body tube 2, an air passage device can penetrate through the air passage device sealing valve 5 and extend into the mask body tube 2, the air passage device extending into the mask body tube 2 can extend into the mask body cavity 14 after being guided by the positioning guide body 12, and the air passage device can point to the glottis; after the airway device penetrates into the mask body tube 2, the head end of the mask body tube 2 through which the airway device penetrates can be sealed by using the airway device sealing valve 5.
Specifically, the cover body and the cover body tube 2 are made of materials meeting medical standards, and when the cover body is used, the cover body can cover on the glottis, namely the cover body can surround oral mucosa covered around the glottis, generally, the end part of the cover body connected with the cover body tube 2 is the tail end of the cover body, the other end of the cover body forms the head end of the cover body, the end part of the cover body tube 2 connected with the cover body is the tail end of the cover body tube 2, and the other end of the cover body tube 2 forms the head end of the cover body tube. The shape and the like formed by matching the mask body and the mask body tube 2 are the same as those of the traditional laryngeal mask, namely, the mask body is heart-shaped or oval, the region of the mask body tube 2 adjacent to the mask body is provided with a bend, and the operation such as air supply insertion can be conveniently realized by using the bend of the mask body tube 2.
In the embodiment of the invention, the cover body base plate 1 and the cover body 22 form a cover body structure, the cover body 22 is arranged on the cover body base plate 1, and the cover body 22 can encircle the oral mucosa around the glottis. Generally, the cover body bottom plate 1 and the cover body 22 adopt an integrally formed structure, the thickness of the cover body 22 is larger than that of the cover body bottom plate 1, and the cover body 22 and the cover body bottom plate 1 can be made of medical silica gel and other flexible materials, so that the air passage, the glottis and the like can not be damaged when the cover is used. In order to meet the air supply requirement, a cover body cavity 17 is provided in the cover body 22, the cover body cavity 17 is located in the center area of the cover body 22, the cover body tube 2 is communicated with the cover body cavity 17, the cover body tube 2 can be connected with a breathing machine or the like, and after the cover body 22 is covered at the glottic position, an air supply channel can be formed through the connection cooperation of the cover body tube 2 and the cover body cavity 17.
In the embodiment of the invention, the air passage apparatus sealing valve 5 is arranged in the head end of the mask body tube 2, the air passage apparatus sealing valve 5 allows the air passage apparatus to pass through, the air passage apparatus can extend into the mask body tube 2 after passing through the air passage apparatus sealing valve 5, the air passage apparatus entering the mask body tube 2 can extend into the positioning guide body 12, namely, under the guiding action of the positioning guide body 12, the air passage apparatus can enter the mask body cavity 14, and when the air passage apparatus enters the mask body tube 2, the air passage apparatus can be sealed by utilizing the air passage apparatus sealing valve 5, so that the sealing effect in the air supply process is prevented from being influenced by the leakage of air after the air passage apparatus enters the mask body tube 2. In specific implementation, the airway device may be an airway operation tool or an airway management tool, the airway operation tool may be a bronchoscope, and the airway management tool may be an endotracheal tube; the particular type of airway device may be selected as desired and will not be described in detail herein.
In the embodiment of the present invention, the positioning guide body 12 may adopt a tubular or arc-shaped guiding structure or other structural forms capable of guiding the placement of the airway device, and when the positioning guide body 12 adopts a tubular shape, the positioning guide body 12 is in opposite connection with and communicated with the mask body tube 2, i.e. the airway device can pass through the positioning guide body 12 and then enter the mask body cavity 14. In the following description, the positioning guide 12 is described in detail by taking a tubular structure as an example, and when the positioning guide 12 is in another structural form, the positioning guide 12 may be replaced by a replacement, and will not be described here.
Further, the device also comprises a connection suction mechanism capable of realizing negative pressure suction in the air supply process, the connection suction mechanism comprises a suction connecting pipe 21 arranged in the cover body bottom plate 1, and oral secretion on the cover body can flow into the suction connecting pipe 21.
In the air supply process of the laryngeal mask, in order to realize the requirement of negative pressure suction, a connecting suction mechanism is also arranged, and secretion and the like of the oral cavity in the air supply process can be sucked out through the connecting suction mechanism. Specifically, the suction connection pipe 21 of the connection suction mechanism is provided in the hood bottom plate 1, the end of the suction connection pipe 21 near the head end of the hood bottom plate 1 is buried in the hood bottom plate 1, the end of the suction connection pipe 21 far away from the hood bottom plate 1 can be connected with a negative pressure suction device, after the suction connection pipe 21 is connected with the negative pressure suction device, negative pressure can be formed in the suction connection pipe 21 through the suction connection pipe 21, and oral secretion such as oral liquid can be sucked by the negative pressure.
When the vacuum suction device is specifically implemented, the suction connecting pipe 21 can be fixedly arranged at the end part of the suction connecting pipe 21 far away from the cover body bottom plate 1, the suction connecting pipe 21 is connected with external negative pressure suction equipment through the suction connecting pipe, the suction connecting pipe and the negative pressure suction equipment can be detachably connected, the negative pressure suction equipment can adopt the existing common structural form, the selection can be specifically carried out according to the needs, and the repeated description is omitted here. The suction connection pipes 21 are inclined on the cover bottom plate 1, and the suction connection pipes 21 are not communicated with the cover pipe 2 and the cover cavity 14.
Further, a suction adjusting groove 16 is provided at the front of the back surface of the cover bottom plate 1, and a head end of the suction connecting pipe 21 located in the cover bottom plate 1 communicates with the suction adjusting groove 16, and a suction connection port 10 is formed at the cover pipe 2 at the tail end of the suction connecting pipe 21.
In the embodiment of the invention, the suction adjusting groove 16 is positioned at the back of the cover body bottom plate 1, the cover main body 22 is positioned at the front of the cover body bottom plate 1, the length direction of the suction adjusting groove 16 is consistent with the length direction of the cover body bottom plate 1, the length of the suction adjusting groove 16 can be not more than the length of the cover body bottom plate 1, the suction adjusting groove 16 and the cover body bottom plate 1 are coaxially distributed, and the suction adjusting groove 16 is an arc groove.
In order to flow the oral secretion on the mask into the suction connection pipe 21, a mask diversion opening may be provided on the mask body 22, through which the oral secretion on the mask can enter into the suction connection pipe 21. When the suction adjusting groove 16 is arranged on the back surface of the cover body bottom plate 1, and the suction connecting pipe 21 is communicated with the suction adjusting groove 16, oral secretion and nasopharyngeal secretion on the cover body can flow into the suction adjusting groove 16, and under the action of negative pressure in the suction connecting pipe 21, endocrine in the suction adjusting groove 16 can be sucked away, namely, suction operations such as sputum suction in the air supply process are realized. The joint between the suction connection pipe 21 and the cover pipe 2 forms a suction connection port 10, and the suction connection port 10 can be connected to a suction connection pipe or directly connected to an external negative pressure suction device, so that the suction connection port 10 is not communicated with the cover pipe 2 and the cover cavity 14, that is, normal air supply operation is not affected in the negative pressure suction process.
In addition, the shape of the suction adjusting groove 16 can be matched with the stomach tube, namely, the stomach tube can be embedded in the suction adjusting groove 16, after the stomach tube is embedded in the suction adjusting groove 16, the stomach tube can be positioned, and the influence of the stomach tube on the air supply state of the whole cover body is avoided.
Further, at least one pressure regulating hole 7 is provided in the cover tube 2, a pressure regulating connecting groove 17 corresponding to the pressure regulating hole 7 is provided on the back surface of the cover bottom plate 1, and the pressure regulating hole 7 can be communicated with the suction regulating groove 16 through the pressure regulating connecting groove 17.
In the embodiment of the invention, the pressure regulating hole 7 is not communicated with the cover body pipe 2, the pressure regulating hole 7 can be positioned in the pipe wall of the cover body pipe 2, the back surface of the cover body bottom plate 1 is provided with the pressure regulating connecting groove 17, the pressure regulating connecting groove 17 is positioned at the rear part of the cover body bottom plate 1, and the pressure regulating connecting groove 17 can be communicated with the pressure regulating hole 7 and the suction regulating groove 16. The rear portion of the cover bottom plate 1 specifically refers to a portion of the cover bottom plate 1 near the cover tube 2, and the front portion of the cover bottom plate 1 refers to a portion of the cover bottom plate 1 near the cover tube 2. In fig. 2 and 3, two pressure regulating holes 7 are provided in the cover tube 2, and two pressure regulating connecting grooves 17 are provided on the back surface of the cover bottom plate 1 so as to be able to fit with the two pressure regulating holes 7.
After the negative pressure suction device is connected with the suction connection pipe 21, in order to avoid damage to mucous membrane caused by excessive pressure of negative pressure suction, in the suction process, the pressure can be regulated by matching the pressure regulating hole 7, the pressure regulating connection groove 17 and the suction regulating groove 16, specifically, when the negative pressure needs to be reduced, the pressure regulating hole 7 is in an open state, at this time, external gas can enter the suction regulating groove 16 through the pressure regulating hole 7 and the pressure regulating connection groove 17, and along with continuous circulation of external gas, the negative pressure suction effect in the suction regulating groove 16 can be reduced. When the suction is required, the two pressure regulating holes 7 can be blocked, and at this time, the external air cannot enter the suction regulating groove 16 through the pressure regulating holes 7.
In particular, the pressure-regulating connecting groove 17 may also take a tubular form, etc., and the length of the suction-regulating groove 16 may be identical to the length of the cover bottom plate 1. When the suction adjusting groove 16 is located only at the front of the mask body base plate 1, it is only the case that the gastric tube is inserted prior to the laryngeal mask when it is fitted. When the laryngeal mask intubate is back, still need carry out stomach tube intubate and location time, can set up stomach tube intubate passageway in the cover body pipe 2, the length of attracting adjustment tank 16 is consistent with the length of cover body bottom plate 1, perhaps set up the cell type or the tubular structure that allow the stomach tube to pass through at the rear portion of cover body bottom plate 1, the stomach tube passes through the stomach tube intubate passageway in the cover body pipe 2 and gets into in the cover body pipe 2 to get into attracting adjustment tank 16 after passing through the cell type or the tubular structure transition at cover body bottom plate 1 rear portion, realize the location to the stomach tube through attracting adjustment tank 16, avoid condition such as stomach tube swing to influence the normal ventilation of laryngeal mask, can discharge gastric juice, gas etc. of afterbody through the stomach tube.
As shown in fig. 3, a plurality of uniformly distributed guide positioning blocks 18 are arranged in the mask body tube 2, an airway device guide positioning cavity 20 for guiding the insertion of an airway device and a mask body ventilation cavity 19 for always keeping communication with the mask body cavity 14 are formed in the mask body tube 2 through the guide positioning blocks 18, the mask body ventilation cavity 19 is communicated with the airway device guide positioning cavity 20, and the airway device guide positioning cavity 20 is communicated with and aligned with the positioning guide body 12.
In the embodiment of the invention, the guide positioning blocks 18 are uniformly and symmetrically distributed in the mask body tube 2, the guide positioning blocks 18 form the airway instrument guide positioning cavity 20 in the mask body tube 2, the areas outside the airway instrument guide positioning cavity 20 formed in the mask body tube 2 form the mask body ventilation cavity 19, and the mask body ventilation cavity 19 can be always communicated with the mask body cavity 14, so that the air supply channel in the mask body cavity 14 is ensured to be unobstructed. The airway device guiding and positioning cavity 20 is aligned with and communicated with the positioning and guiding body 12, the axis of the airway device guiding and positioning cavity 20 and the axis of the positioning and guiding body 12 are positioned in the same straight line, and in the action system of the airway device guiding and positioning cavity 20, the airway device entering the mask body tube 2 can conveniently enter the positioning and guiding body 12 and pass out of the positioning and guiding body 12.
In the specific implementation, the positioning guide body 12 is positioned at the end part of the body cavity 14 of the mask, the positioning guide head 13 is communicated with the positioning guide body 12, the positioning guide head 13 is arc-shaped in the positioning guide body 12, the positioning guide head 13 is tilted in the direction away from the bottom plate 1 of the mask, and under the action of the positioning guide head 13, the damage to the glottis and corresponding airway mucous membrane when the airway appliance passes out of the positioning guide body 12 is avoided. In addition, a video head can be arranged on the positioning guide head 13, and the video information provided by the video head can be used for supporting the process of placing the airway appliance. Of course, video information can be acquired by using a video soft rod matched with the airway device, so that stability and reliability of the airway device in the implantation process can be ensured.
Further, the head end of the mask body tube 2 is provided with an appliance penetrating positioning tube 3 for adapting and connecting an airway appliance and a breathing machine interface tube 4 for connecting with a breathing machine, the appliance penetrating positioning tube 3 and the breathing machine interface tube 4 are communicated with the mask body tube 2, and an airway appliance sealing valve 5 is arranged in the appliance penetrating positioning tube 3.
In the embodiment of the invention, a breathing machine interface tube 4 and an appliance penetrating and positioning tube 3 are arranged at the head end of the mask body tube 2, the breathing machine interface tube 4 is connected with a breathing machine, and the appliance penetrating and positioning tube 3 allows the penetrating of an airway appliance, namely the airway appliance can extend into the mask body tube 2 after passing through the appliance penetrating and positioning tube 3. The appliance penetrating positioning tube 3, the breathing machine interface tube 4 and the pressure regulating hole 7 are not communicated. The air passage instrument sealing valve 5 is positioned in the instrument penetrating positioning tube 3, the instrument penetrating positioning tube 3 can be sealed by the air passage instrument sealing valve 5, and after an air passage instrument enters the mask body tube 2 through the instrument penetrating positioning tube 3, the tightness of the instrument penetrating positioning tube 3 can be kept by the air passage instrument sealing valve 5, namely, gas in the mask body tube 2 cannot escape through the instrument penetrating positioning tube 3.
In specific implementation, the airway device sealing valve 5 allows one airway device to pass through or multiple airway devices to pass through at the same time, so as to meet the requirements of airway operation under different conditions, and the airway device sealing valve can be specifically selected according to the requirements and is not described herein. In addition, only one breathing machine interface tube 4 can be arranged at the head end of the cover body tube 2, and the matching form between the breathing machine interface tube 4 and the instrument penetrating positioning tube 3 can be realized through a tubular structure matched with the breathing machine interface tube 4. In addition, an operating handle 6 is also arranged on the mask body tube 2, the operating handle 6 is positioned below the joint part of the breathing machine interface tube 4 and the appliance penetrating positioning tube 3, and the operating handle 6 is used for conveniently holding the whole laryngeal mask.
As shown in fig. 6, the sealing valve 5 for the air passage apparatus comprises a valve body connecting plate 23 and a valve body sleeve 25 which is connected with the valve body connecting plate 23 in an adapting way, wherein a plurality of cut-outs 26 penetrating through the bottom of the valve body sleeve 25 are arranged on the bottom of the valve body sleeve 25, and the air passage apparatus can penetrate through the valve body sleeve 25 through the cut-outs 26 of the bottom of the valve body sleeve 25.
In the embodiment of the invention, the valve body connecting plate 22 is positioned on the outer ring of the nozzle of the valve body sleeve 25, a plurality of connecting plate connecting holes 24 are arranged on the valve body connecting plate 23, and the valve body connecting plate 23 can be assembled on the nozzle of the instrument penetrating positioning tube 3 through the connecting plate connecting holes 24. When the valve body connecting plate 23 is assembled to the pipe orifice of the instrument insertion positioning pipe 3, the valve body sleeve 25 may be positioned in the instrument insertion positioning pipe 3. The slits 26 of the bottom of the valve body sleeve 25 penetrate the bottom of the valve body sleeve 25, the slits 26 are uniformly distributed on the bottom of the valve body sleeve 25, and a schematic view of providing three uniformly distributed slits 26 on the bottom of the valve body sleeve 25 is shown in fig. 6. The valve body sleeve 25 and the valve body connecting plate 23 are made of flexible plastics, and the valve body sleeve 25 has elasticity, so that different air passage instruments can pass through the notch 26, the barrel bottom of the valve body sleeve 25 corresponding to the notch 26 can be attached to the outer wall of the air passage instrument, and effective sealing after the air passage instrument is put through is realized.
As shown in fig. 5, at least one ring of sealing film 9 is arranged on the upper part of the cover main body 22, and the sealing film 9 surrounds the outer ring of the cover main body 22 and/or the inner ring in the cover cavity 14; when the mask body 22 is covered on the glottis, the junction between the mask body 22 and the glottis can be sealed by the sealing film.
In order to ensure the air supply state, at least one circle of sealing film 9 is arranged on the upper part of the cover main body 22, and the sealing film 9 surrounds the outer ring of the cover main body 22 and/or the inner ring in the cover cavity 14; when the mask body 22 is covered on the glottis, the joint between the mask body 22 and the glottis can be sealed by the sealing film, so that the ventilation effect can be ensured. That is, the sealing film may be uniformly distributed on the outer wall of the cover body 22 and along the outer wall of the cover body 22, or the sealing film is disposed in the cover body cavity 14, the sealing film is in the same shape as the cover body cavity 14 in the cover body cavity 14, and the sealing film does not affect the normal ventilation state of the cover body cavity 14 in the cover body cavity 14; of course, a sealing film may be provided on the outer wall of the cover main body 22 and in the cover body cavity 14 at the same time, and the distribution state of the sealing film on the cover main body 22 may be selected as needed.
Compared with the prior laryngeal mask, the mask body is not required to be provided with structures such as an air bag, and the like, and the inside of the mask body cavity 14 is in a positive pressure state during ventilation, and the sealing film is tightly attached to the joint part of the mask main body 22 and the glottis by utilizing the air pressure energy during air supply, namely, the sealing film can surround the mucous membrane around the glottis and seal the mucous membrane, so that the using success rate and the safety of the laryngeal mask are improved under the condition that inflation and deflation are not required; the application of extremely low pressure to the mucous membrane can also achieve adequate sealing, reducing the throat pain of the patient after surgery.
The sealing membrane can be made of a thin film, and the sealing membrane is matched with the mask main body 22, so that the complexity, the production cost and the use cost of the laryngeal mask can be effectively reduced. In specific implementation, the edge of the sealing film is tilted in a direction away from the cover body bottom plate 1, and after the edge of the sealing film is tilted, the sealing effect of the sealing film on the junction of the cover body 22 and the glottis can be further improved during air supply.
Further, at least one circle of guide film 11 is arranged on the outer side wall of the cover main body 22, and the guide film 11 is matched with the adjacent guide film 11 or the sealing film 9 arranged on the outer wall of the cover main body 22 to form a guide channel; the diversion film 11 is positioned between the cover body bottom plate 1 and the sealing film.
In the embodiment of the invention, the guide film 11 is located in the middle area of the cover main body 22, the guide film 11 also surrounds the outer ring of the cover main body 22, and the guide film 11 and the sealing film 9 are distributed in parallel. In the drawings, the case that two circles of sealing films 9 are arranged on the cover main body 22 is shown, gaps exist between the two circles of sealing films 9, gaps exist between the sealing films 9 and the diversion films 11, and a channel for diversion of water can be formed by utilizing the gaps between the sealing films 9 and the diversion films 11; of course, by using the gap between the two rings of sealing films 9, a channel for guiding the mouth water can be formed, namely, when the air is supplied, the mouth water can flow to the head end of the cover body through the corresponding guiding channel, so that the mouth water can enter the suction connecting pipe 21 or enter the suction connecting pipe 21 through the suction adjusting groove 16.
Further, when the sealing film is circumferentially distributed on the outer wall of the cover main body 22, a sealing film connector 8 for preventing the sealing film from rolling up is provided at the head end of the cover main body 22, and the sealing film on the cover main body 22 is connected with the sealing film connector 8.
In the embodiment of the invention, the sealing film connector 8 is located at the head end of the cover main body 22, the shape of the sealing film connector 8 is adapted to the shape of the head end of the cover main body 22, the sealing film on the cover main body 22 can be connected through the sealing film connector 8, the sealing film connector 8 is made of a material with hardness, and the sealing film can be prevented from being turned over in the process of placing the cover main body 22 through the sealing film connector 8, namely, the joint part of the sealing film to the cover main body 22 and the glottis can not be influenced. The sealing membrane connector 8 is located at the head end of the cover main body 22, and the sealing membrane connector 8 does not affect the normal use of the suction adjustment groove 16.
Further, a supporting projection 15 is provided at the bottom of the housing cavity 14, and the supporting projection 15 includes an adjusting groove projection corresponding to the suction adjusting groove 16.
In the embodiment of the invention, the supporting bump 15 is located in the cover cavity 14, the supporting bump 15 corresponds to the suction adjusting groove 16, the supporting bump 15 is arc-shaped in the cover cavity 14, the supporting bump 15 protrudes out of the cover body bottom plate 1 in the cover cavity 14, so as to form a gastric canal bulge, and of course, the supporting bump 15 and the suction adjusting groove 16 can also adopt a non-positive corresponding position state. In addition, the support bump 15 may further include a suction connection tube protrusion corresponding to the suction connection tube 21, and the height of the suction connection tube protrusion may be smaller than that of the stoma tube protrusion.
When the mask body 20 is covered on the glottis, the supporting lug 15 is matched with the epiglottis, so that the epiglottis is prevented from blocking the communication between the mask body tube 2 and the mask cavity 14, namely, a gas channel is not blocked, and the stability and the reliability of ventilation are ensured.
Claims (6)
1. An inflation-free sputum aspiration type cannula laryngeal mask comprises a mask body capable of covering the oral mucosa around the glottis and a mask body tube (2) which is connected with the mask body in an adapting way; the method is characterized in that: the cover body comprises a cover body bottom plate (1) and a cover main body (22) arranged on the cover body bottom plate (1), a cover body cavity (14) which can be communicated with the cover body pipe (2) is arranged in a central area in the cover main body (22), and a positioning guide body (12) corresponding to the cover body pipe (2) is arranged in the cover body cavity (14);
The device also comprises an air passage device sealing valve (5) arranged in the head end of the mask body tube (2), an air passage device can penetrate through the air passage device sealing valve (5) to extend into the mask body tube (2), the air passage device extending into the mask body tube (2) can extend into the mask body cavity (14) after being guided by the positioning guide body (12), and the air passage device can point to the glottis; after the airway device penetrates into the mask body tube (2), the head end of the mask body tube (2) penetrated by the airway device can be sealed by utilizing the airway device sealing valve (5);
At least one circle of sealing film (9) is arranged at the upper part of the cover main body (22), and the sealing film (9) is circumferentially distributed on the outer ring of the cover main body (22) and/or the inner ring in the cover cavity (14); when the cover main body (22) covers the glottis, the joint part of the cover main body (22) and the glottis can be sealed by the sealing film;
At least one circle of guide film (11) is arranged on the outer side wall of the cover main body (22), and the guide film (11) is matched with the adjacent guide film (11) or a sealing film arranged on the outer wall of the cover main body (22) to form a guide channel; the diversion film (11) is positioned between the cover body bottom plate (1) and the sealing film;
The device also comprises a connection suction mechanism capable of realizing negative pressure suction in the air supply process, wherein the connection suction mechanism comprises a suction connecting pipe (21) arranged in the bottom plate (1) of the cover body, and oral secretion on the cover body can flow into the suction connecting pipe (21);
The front part of the back surface of the cover body bottom plate (1) is provided with an attraction adjusting groove (16), the head end of an attraction connecting pipe (21) positioned in the cover body bottom plate (1) is communicated with the attraction adjusting groove (16), and the tail end of the attraction connecting pipe (21) forms an attraction connecting port (10) on the cover body pipe (2);
When the air is supplied, the water can flow to the head end of the cover body through the corresponding diversion channel, so that the water can enter the suction connecting pipe (21) or enter the suction connecting pipe (21) through the suction adjusting groove (16).
2. The inflation-free sputum aspiration cannula laryngeal mask of claim 1, wherein: at least one pressure regulating hole (7) is formed in the cover body pipe (2), a pressure regulating connecting groove (17) corresponding to the pressure regulating hole (7) is formed in the back surface of the cover body bottom plate (1), and the pressure regulating hole (7) can be communicated with the suction regulating groove (16) through the pressure regulating connecting groove (17).
3. The inflation-free sputum aspiration cannula laryngeal mask of claim 1, wherein: a plurality of evenly distributed guide positioning blocks (18) are arranged in the mask body tube (2), an airway device guide positioning cavity (20) for inserting and guiding an airway device and a mask body ventilation cavity (19) for always keeping communication with the mask body cavity (14) are formed in the mask body tube (2) through the guide positioning blocks (18), the mask body ventilation cavity (19) is communicated with the airway device guide positioning cavity (20), and the airway device guide positioning cavity (20) is communicated with the positioning guide body (12) and is aligned.
4. The inflation-free sputum aspiration cannula laryngeal mask of claim 1, wherein: the head end of the mask body tube (2) is provided with an appliance penetrating locating tube (3) for the adaptive connection of an air passage appliance and a breathing machine interface tube (4) for being connected with a breathing machine, the appliance penetrating locating tube (3) and the breathing machine interface tube (4) are communicated with the mask body tube (2), and an air passage appliance sealing valve (5) is arranged in the appliance penetrating locating tube (3).
5. An inflation-free sputum aspiration cannula laryngeal mask in accordance with claim 1 or 4, wherein: the air passage instrument sealing valve (5) comprises a valve body connecting plate (23) and a valve body sleeve (25) which is connected with the valve body connecting plate (23) in an adapting mode, a plurality of cuts (26) penetrating through the bottom of the valve body sleeve (25) are formed in the bottom of the valve body sleeve (25), and the air passage instrument can penetrate through the valve body sleeve (25) through the cuts (26) in the bottom of the valve body sleeve (25).
6. The inflation-free sputum aspiration cannula laryngeal mask of claim 1, wherein: a supporting lug (15) is arranged at the bottom of the cover cavity (14), and the supporting lug (15) comprises an adjusting groove bulge which is just corresponding to the suction adjusting groove (16).
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| CN201810511573.9A CN108434569B (en) | 2018-05-24 | 2018-05-24 | Inflation-free sputum suction type intubate laryngeal mask |
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| CN201810511573.9A CN108434569B (en) | 2018-05-24 | 2018-05-24 | Inflation-free sputum suction type intubate laryngeal mask |
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| CN108434569B true CN108434569B (en) | 2024-07-05 |
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| CN109999297A (en) * | 2018-11-16 | 2019-07-12 | 孙扬 | It is a kind of can positive airway pressure and can non-invasive intubation sound door device |
| CN113412134A (en) * | 2018-12-13 | 2021-09-17 | M·巴斯卡 | Apparatus for maintaining an airway in a patient |
| CN109908443B (en) * | 2019-03-27 | 2021-07-13 | 佳木斯大学 | Multi-functional department of anesthesia is with multichannel oropharynx portion breather |
| CN111744087B (en) * | 2020-07-06 | 2021-09-03 | 无锡圣诺亚科技有限公司 | Laryngeal mask for airway operation |
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| CN209033418U (en) * | 2018-05-24 | 2019-06-28 | 无锡圣诺亚科技有限公司 | Exempt to inflate suction sputum type intubating laryngeal mask |
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| CN101057994B (en) * | 2006-06-26 | 2011-09-14 | 株式会社佐多商会 | Laryngeal mask with guiding tube used for inserting stomach tube |
| CN201744045U (en) * | 2010-08-09 | 2011-02-16 | 邹德伟 | Esophagus-blocking type double-sac laryngeal cover |
| JP6258302B2 (en) * | 2012-06-04 | 2018-01-10 | スィンギュラリティー、アクチエンゲゼルシャフトＳｉｎｇｕｌａｒｉｔｙ Ａｇ | Laryngeal mask head |
| CN103203058A (en) * | 2013-04-12 | 2013-07-17 | 浙江曙光科技有限公司 | Multiple-cavity integrated laryngeal mask capable of being inserted by endoscope |
| CN105498061B (en) * | 2016-01-25 | 2017-05-31 | 高宏 | Can suction sputum laryngeal mask |
| CN107019833A (en) * | 2016-12-22 | 2017-08-08 | 天津麦迪安医疗器械有限公司 | A kind of airway of the closed aditus laryngis surrounding tissue of cover-cup type |
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| CN209033418U (en) * | 2018-05-24 | 2019-06-28 | 无锡圣诺亚科技有限公司 | Exempt to inflate suction sputum type intubating laryngeal mask |
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