CN110575592A - Laryngeal mask with monitoring of perilaryngeal muscle relaxation and monitoring of backflow - Google Patents
Laryngeal mask with monitoring of perilaryngeal muscle relaxation and monitoring of backflow Download PDFInfo
- Publication number
- CN110575592A CN110575592A CN201910909263.7A CN201910909263A CN110575592A CN 110575592 A CN110575592 A CN 110575592A CN 201910909263 A CN201910909263 A CN 201910909263A CN 110575592 A CN110575592 A CN 110575592A
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- CN
- China
- Prior art keywords
- laryngeal mask
- monitoring
- mask body
- backflow
- laryngeal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4821—Determining level or depth of anaesthesia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/16—Bite blocks
-
- A61M1/0023—
-
- 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
Abstract
The invention discloses a laryngeal mask with functions of monitoring muscle relaxation around the larynx and monitoring backflow, which comprises a laryngeal mask body, wherein a mask sac is arranged at the lower end of the laryngeal mask body, a tooth pad is arranged at the upper end of the laryngeal mask body, an air transmission channel and a suction channel are arranged inside the laryngeal mask body, a backflow liquid concentration groove arranged along the air transmission channel and the suction channel is arranged in the middle of the back of the laryngeal mask body, an inlet of the air transmission channel is arranged on the tooth pad at the upper end of the laryngeal mask body and connected with a pipeline interface, an inlet of the suction channel is arranged at the lower end of the backflow liquid concentration groove at the back of the laryngeal mask body, an outlet of the suction channel is communicated with a backflow liquid suction device, a micro camera is arranged on the inner side of the joint of the laryngeal mask body and the mask sac, and the micro camera and the backflow liquid suction device are both connected with an external. The invention has simple and novel structure, judges the muscle relaxation depth and the anesthesia depth of the larynx by monitoring the motion of human glottis and tissues around the larynx, and prevents the reflux liquid from entering the trachea of the human body.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a laryngeal mask with functions of monitoring muscle relaxation around the larynx and monitoring backflow.
Background
The laryngeal mask is used as a supraglottic ventilation tool and is widely applied to the air passage management of anesthesia and emergency treatment. However, the conventional laryngeal mask still has the following problems:
1. It is impossible to monitor in real time whether or not the gastroesophageal reflux has entered the air chamber of the laryngeal mask pocket and is sucked into the trachea by mistake. And the laryngeal mask cannot timely attract the backflow liquid.
Although a suction pipeline is designed in the traditional double-tube laryngeal mask, the cavity of the suction pipeline is small, once gastroesophageal reflux occurs, when a large amount of reflux liquid flows back to an esophagus inlet, the pressure of the esophagus inlet is increased sharply, and the reflux liquid possibly flows into a mask sac air chamber along the front wall of the esophagus inlet and a gap at the head end of the mask sac and is sucked into a trachea by mistake. The occurrence of the accidents is all in the throat of a human body, the accidents cannot be found in time from the outside of the body, and once a large amount of reflux liquid enters the trachea, serious complications such as airway spasm, oxygen deficiency asphyxia and the like can be caused, so that the safety of a patient is endangered.
2. The muscle relaxation depth and anesthesia depth of the larynx can not be judged by monitoring the motion of human glottis and surrounding tissues of the larynx in real time.
Disclosure of Invention
The invention aims to provide a laryngeal mask with functions of monitoring the peripheral laryngeal muscle relaxation and monitoring the backflow, so as to solve the problems in the background technology.
in order to solve the technical problems, the invention adopts the technical scheme that:
A laryngeal mask with functions of monitoring the muscle relaxation around the larynx and monitoring the backflow comprises a laryngeal mask body, wherein the lower end of the laryngeal mask body is provided with a mask sac, the upper end of the laryngeal mask body is provided with a bite block, the laryngeal mask body is internally provided with an air transmission channel and a suction channel, the middle of the back part of the laryngeal mask body is provided with a backflow liquid concentration groove arranged along the air transmission channel and the suction channel, the outlet of the air transmission channel is arranged at the inner side of the mask sac at the lower end of the laryngeal mask body, the inlet of the air transmission channel is arranged on the tooth cushion at the upper end of the laryngeal mask body, and is connected with a pipeline interface, the inlet of the suction channel is arranged at the lower end of the backflow liquid concentration groove at the back of the laryngeal mask body, the outlet of the suction channel is arranged at the top of the bite block, the outlet of the suction channel is communicated with a backflow liquid suction device, a miniature camera is arranged on the inner side of the joint of the laryngeal mask body and the mask sac, and the miniature camera and the backflow liquid suction device are both connected with an external PC.
Further, the backflow liquid suction device comprises a hose, a negative pressure ball and an electromagnetic valve, wherein one end of the hose is communicated with an outlet of the suction channel, the negative pressure ball is communicated with the other end of the hose, and the electromagnetic valve is arranged on a pipe body of the hose and connected with an external PC (personal computer).
Preferably, the electromagnetic valve is a normally closed electromagnetic valve.
Preferably, the micro camera is connected with an external PC by adopting a wireless transmission or wired transmission mode.
Furthermore, the micro camera is right opposite to the glottis and the surrounding tissues of the larynx of the human body.
Furthermore, the micro camera is used for capturing the motion of human glottis and tissues around the larynx and monitoring the existence of gastroesophageal reflux liquid in a visual field range.
The invention has the beneficial effects that:
The invention provides a laryngeal mask with the functions of monitoring muscle relaxation around the larynx and monitoring backflow, which is simple and novel in structure, can judge the muscle relaxation depth and the anesthesia depth of the larynx by effectively monitoring the motion of the glottis and tissues around the larynx of a human body, and can prevent backflow liquid from entering the trachea of the human body. Through miniature camera, can carry out real time monitoring to human glottis and larynx week tissue to reach outside PC on uploading the video information of control, and demonstrate in the display end of outside PC, make things convenient for medical personnel to observe. The miniature camera still has the picture and snatchs the function to picture information upload to outside PC will snatch, the CPU end of outside PC is according to the picture information that miniature camera uploaded, the muscle loose depth and the anesthesia degree of depth condition of larynx are judged in the analysis, and the result of the CPU end analysis of outside PC shows in its display terminal, medical personnel can see the result in the display terminal of PC, if the anesthesia degree of depth and the muscle loose depth of larynx when lighter, can deepen anesthesia degree of depth and muscle loose depth. The micro camera can also monitor whether the gastroesophageal reflux liquid exists in a visual field range in real time, monitoring information is uploaded to an external PC, a CPU end of the external PC analyzes and judges according to picture information uploaded by the micro camera, if the gastroesophageal reflux liquid exists in the range, the CPU end of the external PC controls an electromagnetic valve to be opened, a negative pressure ball sucks the gastroesophageal reflux liquid through a hose and a suction channel in the laryngeal mask body, and the gastroesophageal reflux liquid is concentrated into the negative pressure ball.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic diagram of the invention in a reverse orientation
In the figure: 1. the laryngeal mask comprises a laryngeal mask body, a laryngeal mask sac, a dental pad, a gas transmission channel, a suction channel, a backflow liquid concentration groove, a pipeline connector, a miniature camera, a hose, a negative pressure ball and an electromagnetic valve, wherein the laryngeal mask body comprises 2, the mask sac, 3, the dental pad, 4, the gas transmission channel, 5, the suction channel, 6, the backflow liquid concentration groove, 7, the pipeline connector, 8.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1-2, the invention provides a laryngeal mask with the functions of monitoring the muscle relaxation around the larynx and monitoring the backflow, which comprises a laryngeal mask body 1, wherein the lower end of the laryngeal mask body 1 is provided with a mask sac 2, the upper end of the laryngeal mask body is provided with a bite block 3, a gas transmission channel 4 and a suction channel 5 are arranged inside the laryngeal mask body 1, a backflow liquid concentration groove 6 arranged along the gas transmission channel 4 and the suction channel 5 is arranged in the middle of the back of the laryngeal mask body 1, an outlet of the gas transmission channel 4 is arranged at the inner side of the mask sac 2 at the lower end of the laryngeal mask body 1, an inlet of the gas transmission channel 4 is arranged on the bite block 3 at the upper end of the laryngeal mask body 1 and is connected with a pipeline interface 7, an inlet of the suction channel 5 is arranged at the lower end of the backflow liquid concentration groove 6 at the back of the laryngeal mask body 1, an outlet of the suction channel 5 is arranged at the top of the bite block 3, the laryngeal mask comprises a laryngeal mask body 1 and a mask sac 2, wherein a miniature camera 8 is arranged on the inner side of the joint of the laryngeal mask body 1 and the mask sac 2, and the miniature camera 8 and a backflow liquid suction device are connected with an external PC.
Specifically, the backflow liquid suction device comprises a hose 9, a negative pressure ball 10 and an electromagnetic valve 11, one end of the hose 9 is communicated with an outlet of the suction channel 5, the negative pressure ball 10 is communicated with the other end of the hose 9, and the electromagnetic valve 11 is arranged on a pipe body of the hose 9 and connected with an external PC.
Specifically, the electromagnetic valve 11 is a normally closed electromagnetic valve.
Specifically, the micro camera 8 is connected with an external PC by wireless transmission or wired transmission. If the micro camera 8 is connected with an external PC (personal computer) in a wired transmission mode, a data line connected with the micro camera 8 is arranged in the laryngeal mask body 1, a terminal connector connected with the data line is arranged on the bite block 3 at the upper end in the laryngeal mask body 1, and the external PC is connected with the micro camera 8 through the terminal connector. The micro camera is right opposite to human glottis and perilaryngeal tissues and is used for capturing motion of the human glottis and perilaryngeal tissues and monitoring the presence or absence of gastroesophageal reflux liquid in a visual field range.
the technical scheme of the invention is simple and novel in structure, can effectively monitor the motion of human glottis and tissues around the larynx to judge the muscle relaxation depth and the anesthesia depth of the larynx, and can prevent the backflow liquid from entering the trachea of the human body. Through miniature camera 8, can carry out real time monitoring to human glottis and larynx week tissue to upload to outside PC with the video information of control, and demonstrate in the display end of outside PC, make things convenient for medical personnel to observe. The miniature camera 8 also has a picture grabbing function, and the grabbed picture information is uploaded to an external PC, the CPU end of the external PC analyzes and judges the muscle relaxation depth and the anesthesia depth of the throat according to the picture information uploaded by the miniature camera, and the result of the analysis of the CPU end of the external PC is displayed in the display end of the external PC, so that medical personnel can see the result in the display end of the PC, and if the anesthesia depth and the muscle relaxation depth of the throat are shallow, the anesthesia depth and the muscle relaxation depth can be deepened. The micro camera 8 can also monitor whether the gastroesophageal reflux liquid exists in a visual field range in real time, monitoring information is uploaded to an external PC, a CPU end of the external PC analyzes and judges according to picture information uploaded by the micro camera, if the gastroesophageal reflux liquid exists in the range, the CPU end of the external PC controls the electromagnetic valve 11 to be opened, the negative pressure ball 10 sucks the gastroesophageal reflux liquid through the hose 9 and the suction channel 5 in the laryngeal mask body 1, and the gastroesophageal reflux liquid is concentrated in the negative pressure ball 10.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A laryngeal mask with functions of monitoring muscle relaxation around the larynx and monitoring backflow is characterized by comprising a laryngeal mask body, wherein a mask sac is arranged at the lower end of the laryngeal mask body, a tooth cushion is arranged at the upper end of the laryngeal mask body, an air conveying channel and a suction channel are arranged inside the laryngeal mask body, a backflow liquid concentration groove arranged along the air conveying channel and the suction channel is arranged in the middle of the back of the laryngeal mask body, an outlet of an air conveying pipeline is arranged on the inner side of the mask sac at the lower end of the laryngeal mask body, an inlet of the air conveying channel is arranged on the tooth cushion at the upper end of the laryngeal mask body and connected with a pipeline connector, an inlet of the suction channel is arranged at the lower end of the backflow liquid concentration groove at the back of the laryngeal mask body, an outlet of the suction channel is arranged at the top of the tooth cushion, a backflow liquid suction device is communicated with an outlet of the suction channel, a miniature camera is arranged on the inner side of the connection, The backflow liquid suction devices are all connected with an external PC.
2. The laryngeal mask with the peripheral laryngeal muscle relaxation monitoring function and the backflow monitoring function, according to claim 1, wherein the backflow liquid suction device comprises a hose, a negative pressure ball and an electromagnetic valve, one end of the hose is communicated with an outlet of a suction channel, the negative pressure ball is communicated with the other end of the hose, and the electromagnetic valve is arranged on a tube body of the hose and is connected with an external PC.
3. The laryngeal mask with perilaryngeal muscle relaxation monitoring and regurgitant flow monitoring of claim 2, wherein the solenoid valve is a normally closed solenoid valve.
4. The laryngeal mask with the peripheral laryngeal muscle relaxation monitoring and the backflow monitoring function according to claim 1, wherein the miniature camera is connected with an external PC through wireless transmission or wired transmission.
5. The laryngeal mask with paralaryngeal muscle relaxation monitoring and regurgitant flow monitoring of claim 1 or 4, wherein the micro-camera is directed towards the glottis and paralaryngeal tissues of the human body.
6. The laryngeal mask of claim 5, wherein the micro-camera is configured to capture glottic and perilaryngeal tissue movement of the body and monitor the presence or absence of gastroesophageal reflux within the field of view.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910909263.7A CN110575592A (en) | 2019-09-25 | 2019-09-25 | Laryngeal mask with monitoring of perilaryngeal muscle relaxation and monitoring of backflow |
| PCT/CN2020/115857 WO2021057587A1 (en) | 2019-09-25 | 2020-09-17 | Laryngeal mask capable of detecting perilaryngeal muscle relaxation and monitoring reflux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910909263.7A CN110575592A (en) | 2019-09-25 | 2019-09-25 | Laryngeal mask with monitoring of perilaryngeal muscle relaxation and monitoring of backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110575592A true CN110575592A (en) | 2019-12-17 |
Family
ID=68813515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910909263.7A Pending CN110575592A (en) | 2019-09-25 | 2019-09-25 | Laryngeal mask with monitoring of perilaryngeal muscle relaxation and monitoring of backflow |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110575592A (en) |
| WO (1) | WO2021057587A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888602A (en) * | 2020-07-24 | 2020-11-06 | 浙江优亿医疗器械有限公司 | Visual laryngeal mask with bending function and visual laryngeal mask system |
| WO2021057587A1 (en) * | 2019-09-25 | 2021-04-01 | 夏敏 | Laryngeal mask capable of detecting perilaryngeal muscle relaxation and monitoring reflux |
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| Publication number | Publication date |
|---|---|
| WO2021057587A1 (en) | 2021-04-01 |
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