Proactive adjustment type medical laryngeal mask, proactive adjustment method and system

By coordinating the positioning guide and the moving correction center, the position and air pressure of the medical laryngeal mask are adjusted in real time, solving the problems of laryngeal mask displacement and insufficient air pressure, and improving the efficiency of laryngeal mask displacement recovery and patient comfort.

CN117045912BActive Publication Date: 2025-12-23SHANDONG UNIV QILU HOSPITAL +1
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202310565745.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-17
Publication Date
2025-12-23
Estimated Expiration
2043-05-17

Smart Images

  • Figure CN117045912B_ABST
    Figure CN117045912B_ABST
Patent Text Reader

Abstract

The present application belongs to the technical field of medical devices, and provides an active adjustment medical laryngeal mask, an active adjustment method and system. Through the cooperation of the positioning guide core and the moving correction center, the position change of the medical laryngeal mask in the spatial coordinate system is monitored, the air bag is moved to the ideal position, the medical laryngeal mask is actively corrected to the ideal position, the efficiency of the displacement recovery of the medical laryngeal mask is greatly improved, and the related defects that the medical laryngeal mask and the related supporting technology cannot actively correct the displacement and adjust the air bag pressure in the process of establishing an artificial airway are solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of medical devices, and particularly relates to an active adjustment laryngeal mask, an active adjustment method and system. BACKGROUND

[0002] The statements in this section merely provide background information related to the present application and do not necessarily constitute prior art.

[0003] The medical laryngeal mask is a kind of artificial airway frequently used in modern clinical emergency resuscitation and general anesthesia, mainly used to keep the airway unobstructed and ensure the ventilation and oxygenation of the patient.

[0004] The insufficient capacity of the laryngeal mask system airbag, the change of the surgical position, the change of the anesthesia depth, the change of the abdominal cavity pressure and other factors can cause the laryngeal mask to shift and the airbag pressure to be insufficient, thereby increasing the risk of gastric distension and digestive fluid aspiration, and even causing serious complications such as negative pressure pulmonary edema that seriously endanger the safety of the patient.

[0005] The existing medical laryngeal mask and related supporting technologies have the following defects in establishing an artificial airway:

[0006] (1) The laryngeal mask shift and airbag pressure deficiency are indirectly judged, and the alarm mechanism is delayed, which increases the risk of illness delay, therefore, it is necessary to accurately and real-timely obtain the laryngeal mask shift condition;

[0007] (2) The laryngeal mask shift depends on the passive correction of medical staff, and needs to be corrected multiple times to restore to the ideal position, therefore, the laryngeal mask position needs to be actively corrected according to the laryngeal mask shift condition;

[0008] (3) The laryngeal mask airbag pressure depends on the passive adjustment of medical staff, and the pressure fluctuation is not suitable for increasing the throat pain of the patient;

[0009] (4) The medical laryngeal mask is relatively soft, and the structural force transmission is poor;

[0010] (5) The medical laryngeal mask relies on the throat of the patient for bearing, which is easy to cause harm to the throat of the patient. SUMMARY

[0011] In order to solve at least one of the technical problems in the above background art, the first aspect of the present application provides an active adjustment type medical laryngeal mask, which monitors the position change of the medical laryngeal mask in the spatial coordinate system by the cooperation of the positioning guide core and the moving correction center, drives the airbag to move to the ideal position, actively corrects the laryngeal mask shift to the ideal position, and greatly improves the efficiency of the laryngeal mask shift recovery.

[0012] In order to achieve the above purpose, the present application adopts the following technical solutions:

[0013] The application discloses an active adjustment type medical laryngeal mask, which comprises a medical laryngeal mask body, wherein the medical laryngeal mask body comprises a first moving support and a second moving support, the second moving support is movable relative to the first moving support, the first moving support is provided with at least one first positioning guide core, the second moving support is provided with a second positioning guide core, one end of the second moving support is connected with an air bag, a moving correction center is arranged at the connection position of a first ventilation pipeline and a second ventilation pipeline, and the moving correction center is used for controlling the first moving support and the second moving support to move the air bag to a target position according to the data and the moving range collected by the first positioning guide core and the second positioning guide core.

[0014] As a further technical scheme, the air bag is connected with a self-inflating guide pipe, a pressure guide core is arranged on the inner wall of the self-inflating guide pipe, and the pressure guide core is connected with a self-inflating device.

[0015] The self-inflating guide pipe adjusts the air bag pressure according to the air bag pressure data collected by the self-inflating device from the pressure guide core to adapt to the periodic breathing pressure fluctuation of a patient.

[0016] As a further technical scheme, the pressure guide core is arranged in a ring shape on the inner wall of the self-inflating guide pipe.

[0017] As a further technical scheme, the first ventilation pipeline and the second ventilation pipeline are externally provided with ventilation covers.

[0018] As a further technical scheme, a drainage pipe is arranged in the second moving support, the air bag is provided with a drainage port, and the drainage pipe and the drainage port are connected.

[0019] As a further technical scheme, external fixators are arranged at two ends of the first ventilation pipeline.

[0020] In order to solve the above problems, a second aspect of the application provides an active adjustment method of a medical laryngeal mask, which is based on the medical laryngeal mask of the first aspect and solves the defects of relying on medical staff to correct displacement and adjust air bag pressure and delaying correction of the medical laryngeal mask to increase the risk of patient condition delay.

[0021] In order to achieve the above object, the application adopts the following technical scheme:

[0022] An active adjustment method of a medical laryngeal mask, comprising the following steps:

[0023] Obtaining spatial position information and a moving track of the medical laryngeal mask;

[0024] Correcting the position of the medical laryngeal mask to a target position according to the spatial position information and the moving track of the medical laryngeal mask and a set offset space range;

[0025] Based on the target position, pressure data collected from the inner wall of the inflation guide tube is used to actively adjust the pressure of the airbag to adapt to the periodic breathing pressure variation of the patient.

[0026] To solve the above problems, the third aspect of the present application provides a medical laryngeal mask active adjustment system, based on the adjustment method of the second aspect, solves the defects of relying on medical personnel to correct displacement and adjust the pressure of the airbag, and delays the correction of the medical laryngeal mask to increase the risk of patient condition delay.

[0027] A medical laryngeal mask active adjustment system comprises:

[0028] The medical laryngeal mask position acquisition module is configured to establish a spatial coordinate system according to each component of the medical laryngeal mask, and acquire spatial position information and a moving track of the medical laryngeal mask in the spatial coordinate system.

[0029] The active displacement correction module is configured to correct the position of the medical laryngeal mask to a target position according to the spatial position information and the moving track of the medical laryngeal mask and a set displacement space range.

[0030] The pressure adjustment module is configured to acquire a breathing pressure variation of the patient based on the target position, and actively adjust the pressure of the airbag to adapt to the periodic breathing pressure variation of the patient according to the breathing pressure variation of the patient.

[0031] The present application has the following advantages:

[0032] 1. The present application monitors the position change of the medical laryngeal mask in the spatial coordinate system by the cooperation of the positioning guide core and the moving correction hub, drives the airbag to move to the ideal position, actively corrects the displacement of the medical laryngeal mask to the ideal position, and greatly improves the efficiency of the displacement recovery of the medical laryngeal mask.

[0033] 2. The present application determines the periodic breathing pressure variation of the patient by equipping the pressure guide core on the inner wall of the inflation guide tube, actively adjusts the pressure of the airbag to adapt to the periodic breathing pressure fluctuation of the patient, and greatly reduces the pain of the patient's throat.

[0034] 3. The present application greatly reduces the movement bending moment, improves the bearing capacity of the structural member, and strengthens the structure force transmission of the original structure of the laryngeal mask by additionally providing a fulcrum or bracket at the middle part of the support.

[0035] 4. The present application mechanically fixes the medical laryngeal mask by setting the fixator to fit the patient's cheek, and evenly shares the weight of the medical laryngeal mask. BRIEF DESCRIPTION OF DRAWINGS

[0036] The accompanying drawings, which form a part of this specification, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification. The embodiments of the application, together with its

[0037] Figure 1 is a schematic diagram of a medical laryngeal mask structure of an embodiment of the present application;

[0038] Figure 2 is a schematic diagram of an angle between a second ventilation pipeline and a cuff of an embodiment of the present application;

[0039] Figure 3 is a schematic diagram of a fulcrum or bracket arrangement of a moving support of an embodiment of the present application;

[0040] Figure 4 is a schematic diagram of a medical laryngeal mask active adjustment method flow of an embodiment of the present application;

[0041] Figure 5 is a schematic diagram of a moving support of an embodiment of the present application.

[0042] In the drawings: 1 - first ventilation pipeline, 101 - first moving support, 102 - first positioning guide core, 2 - second ventilation pipeline, 201 - second moving support, 202 - second positioning guide core, 3 - air bag, 4 - moving correction hub, 5 - self-inflating guide tube, 6 - pressure guide core, 7 - gas pressure monitor, 8 - self-inflating device, 9 - one-way valve, 10 - ventilation mask, 11 - cuff, 12 - drainage tube, 13 - drainage port, 14 - external fixator, 15 - breathing circuit connector, 16 - fulcrum, 17 - bracket. DETAILED DESCRIPTION

[0043] The application will be further described with reference to the drawings and examples.

[0044] It should be noted that the following detailed description is exemplary in nature and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0045] It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0046] In the present application, the terms such as "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, which is a relationship word determined only for the purpose of describing the structural relationship of the components or elements of the present application, and cannot be understood as a limitation on the present application.

[0047] In the present application, the terms such as "connected", "connected" and the like should be understood broadly, which can be fixedly connected, integrally connected or detachably connected; can be directly connected or indirectly connected through an intermediate medium. For relevant scientific or technical personnel in the art, the specific meaning of the above terms in the present application can be determined according to the specific circumstances, and cannot be understood as a limitation on the present application.

[0048] Medical laryngeal mask can quickly establish artificial airway, has the advantages of reliable ventilation, slight airway irritation, high placement success rate and simple operation, and has been widely used in airway management of general anesthesia for surgical patients without risk of regurgitation and aspiration (including but not limited to ophthalmology, lower abdomen, body surface or extremity surgery, etc.).

[0049] The medical laryngeal mask has a pipe structure with a relatively thick diameter. The proximal end is a standard connection port for connecting the breathing circuit, and the distal end is an oval-shaped ventilation mask that can be inflated through a guide tube. The ideal position of the medical laryngeal mask is that the pipe structure is directly opposite the glottis, and the guide air flow is directly to the airway below the glottis; the oval-shaped ventilation mask is inflated to effectively seal the digestive tract and prevent digestive fluids from flowing into the airway.

[0050] As mentioned in the background, a variety of factors such as insufficient gasbag capacity of the medical laryngeal mask system, change of surgical position, change of anesthesia depth, change of abdominal pressure, etc. can cause displacement of the laryngeal mask and insufficient gasbag pressure, and then increase the risk of gastric distension and regurgitation and aspiration of digestive fluids, and even cause serious complications such as negative pressure pulmonary edema that seriously endanger the safety of patients. Therefore, it is crucial to ensure the safety of the airway of patients during anesthesia to detect the displacement of the medical laryngeal mask system and the insufficient gasbag pressure as soon as possible, and to quickly correct the displacement of the medical laryngeal mask system and adjust the gasbag pressure.

[0051] Example one

[0052] As Figure 1As shown, the embodiment provides an active adjustment type medical laryngeal mask, which comprises a medical laryngeal mask body, the medical laryngeal mask body comprises a first ventilation pipeline 1 and a second ventilation pipeline 2, a first moving support 101 is arranged in the first ventilation pipeline 1, a second moving support 201 is arranged in the second ventilation pipeline 2, the second moving support 201 can move relative to the first moving support 101, a first positioning guide core 102 is installed at least at one end of the first moving support 101, one end of the second moving support 201 is connected with an air bag 3, a second positioning guide core 202 is installed at one end close to the air bag 3, a moving correction hub 4 is arranged at the connection of the first ventilation pipeline 1 and the second ventilation pipeline 2, the first positioning guide core 102 and the second positioning guide core 202 are used to send the position information of the first moving support 101 and the second moving support 201 to the moving correction hub 4, and the moving correction hub 4 controls the first moving support 101 and the second moving support 201 to drive the air bag 3 to move to a target position according to a moving range.

[0053] The first moving support 101 and the second moving support 201 are connected through a hinge structure, the hinge can be a section of hinge or two sections of hinge or multiple sections of hinge, a motor hinge can be selected to adjust the movement of the support through precise control of the rotation of the motor gear, or a hydraulic hinge can be selected to adjust the movement of the support through adjustment of the liquid pressure of the pipeline.

[0054] Preferably, the hinge is a hydraulic hinge, which has excellent buffering function.

[0055] The moving correction hub comprises a positioning guide core signal receiving end, a spatial position evaluation end, a support body movement control end and a position signal output end; the positioning guide core signal receiving end is used to receive the spatial grid position coordinate information obtained by the first positioning guide core 102 and the second positioning guide core 202; the spatial position evaluation end is used to calculate the moving track of the laryngeal mask according to the spatial grid position coordinate information, to obtain the correction position of the medical laryngeal mask according to the moving track of the medical laryngeal mask and the set offset space range; the support body movement control end is used to control the hinge according to the correction position of the medical laryngeal mask, and then control the spatial movement and angle rotation of the first moving support 101 and the second moving support 201, so as to adjust the position of the laryngeal mask; and the position signal output end is used to transmit the adjusted laryngeal mask position to a display end for display. The angle controller adjusts the rotation angle of the support, and the movement controller adjusts the horizontal direction movement.

[0056] The angle rotation is realized at the same time of the transverse and longitudinal movement, the angle controller is arranged, and the realization scheme is the same as the support movement scheme.

[0057] For example, Figure 5To achieve the spatial movement and angle rotation of the first mobile support 101 and the second mobile support 201, the mobile support connecting movement correction hub 4 is composed of a plurality of movement supports, the middle part of the movement support is provided with a fulcrum for supporting and fixing the position of the movement support, and the angle controller at both ends of the movement support is provided with a gear sliding pin and a circular rack track, the gear sliding pin penetrates through both ends of the movement support, and the gear sliding pin is controlled to rotate in the circular rack track through a hinge, thereby connecting both ends of the movement support while achieving angle rotation; the angle controller and the fulcrum of the movement support are provided with a movement controller in the middle, the movement controller is provided with a gear sliding pin and a rectangular rack track, and the horizontal movement of the mobile support is achieved. Specifically, when the movement correction hub 4 sends a position correction instruction, the gear sliding pin of the angle controller of the first movement support close to the movement correction hub 4 is started to rotate to the designed angle in the circular rack track, and then the gear sliding pin of the movement controller is started to move horizontally to the designed coordinate in the rectangular rack track, and the first movement support is adjusted to start the second movement support. The number of movement supports of the multi-section movement support can be adjusted according to the needs of the patient, and the angle controller and the movement controller of the multi-section movement support work together to accurately control the spatial movement and angle rotation of the mobile support.

[0058] The advantage of the above scheme is that the position change of the medical laryngeal mask in the spatial coordinate system is monitored through the cooperation of the positioning guide core and the movement correction hub, the air bag is moved to the ideal position, the medical laryngeal mask is actively corrected to the ideal position, and the efficiency of the medical laryngeal mask displacement recovery is greatly improved.

[0059] As one or more embodiments, the air bag 3 is connected to the self-inflating guide tube 5, the inner wall of the self-inflating guide tube 5 is provided with a pressure guide core 6, a gas pressure monitor 7 is arranged outside the self-inflating guide tube 5 and at the position of the pressure guide core 6, the pressure guide core 6 is connected to the gas pressure monitor 7 through a wireless signal, and the gas pressure monitor 7 is connected to a self-inflating device 8.

[0060] The pressure guide core 6 is the core component of the pressure detector 7, and the pressure guide core is located in the gas pipeline and directly connected to the gas pressure detector 7.

[0061] The pressure guide core 6 is used to feed the air bag pressure data collected by the gas pressure monitor 7 to the self-inflating device 8, the self-inflating guide tube 5 is provided with a one-way valve 9, and the air bag pressure is adjusted through the one-way valve 9 to adapt to the periodic breathing pressure fluctuation of the patient. The self-inflating device 8 and the self-inflating guide tube 5 are connected through a pipeline, and the one-way valve 9 is connected to the inside of the pipeline through threads.

[0062] The advantage of the above scheme is that the pressure guide core is equipped on the inner wall of the inflation guide tube, the periodic breathing pressure change rule of the patient is determined, and the airbag pressure is actively adjusted to adapt to the periodic breathing pressure fluctuation of the patient, thereby greatly reducing the throat pain of the patient.

[0063] As one or more embodiments, the pressure guide core 6 is arranged in a ring shape in the inner wall of the inflation guide tube 5.

[0064] As one or more embodiments, the first ventilation pipe 1 and the second ventilation pipe 2 are externally provided with a ventilation cover 10, and the ventilation cover 10 is used to protect the first ventilation pipe 1 and the second ventilation pipe 2.

[0065] As shown in Figure 2 As one or more embodiments, the outer wall of the airbag 3 is provided with a bag cover 11, and the structure between the second ventilation pipe 2 and the bag cover 11 is a ridge-shaped upwarp, forming an included angle of 110°-150°.

[0066] Preferably, the included angle between the second ventilation pipe 2 and the bag cover 11 is 120°-140°, which is more suitable for the pharynx of the human body.

[0067] As one or more embodiments, a drainage tube 12 is arranged in the second moving frame 201, and a drainage port 13 is arranged on the airbag 3, and the drainage tube 12 and the drainage port 13 are connected.

[0068] The drainage port 13 is a funnel type, which can continuously and effectively drain the stomach contents and oral secretions during the patient's breathing.

[0069] The positioning guide core determines the position and moving path of the medical laryngeal mask by using a positioning technology. It can be understood that in other embodiments, the positioning technology can use infrared optical positioning technology, radar positioning technology, ultrasonic positioning technology, laser positioning technology, GNSS positioning technology, Bluetooth positioning technology, ultra-wideband positioning technology, etc.

[0070] Preferably, the positioning guide core of the present embodiment uses infrared optical positioning technology for positioning.

[0071] As one or more embodiments, the inflation guide tube 5 connected with the pressure guide core 6 is connected with a breathing circuit joint 15, which learns the periodic breathing pressure change rule of the patient and adjusts the inflation device to adapt to the periodic breathing pressure fluctuation in the four stages of inspiration phase, inspiration-exhalation conversion phase, exhalation phase, and exhalation-inhalation conversion phase.

[0072] As one or more embodiments, the first ventilation pipe 1 is provided with an external fixator 14 at both ends, and the external fixator 14 is used to fit the patient's cheek, mechanically fix the medical laryngeal mask by relying on the patient's cheek, and evenly share the weight of the medical laryngeal mask.

[0073] As shown in Figure 3 As one or more embodiments, as shown in the drawings, the purpose of adding fulcrum 16 or bracket 17 in the middle of the two sides of the first mobile support is to greatly reduce the bending moment of movement, improve the carrying capacity of the structural member, and strengthen the structure force transmission of the original structure of the laryngeal mask. The fulcrum 16 or bracket 17 is connected with the second mobile support 201 and the first mobile support 101 through a hinge structure.

[0074] In use, the first positioning guide core 102 and the second positioning guide core 202 obtain spatial grid position coordinate information; the mobile correction hub 4 receives the spatial grid position coordinate information, calculates the laryngeal mask movement trajectory, evaluates the reasonable interval of the laryngeal mask position, deviates from the reasonable interval, controls the hinge, and then controls the first mobile support 101 and the second mobile support 201 to adjust the laryngeal mask position; the pressure guide core 6 measures the periodic respiratory pressure change rule of the patient; the gas pressure monitor 7 receives the information measured by the pressure guide core 6, evaluates the pressure reasonable interval of the self-inflating guide tube 5, deviates from the reasonable interval, and controls the pressure delivery of the self-inflating device 8; the drainage port 13 drains the stomach contents and oral secretions; the shape of the capsule 11 is adapted to the human anatomic structure of the laryngeal part, and plays a sealing and fixing role; the external fixator 14 is attached to the patient's cheek, and the traditional laryngeal mask mainly relies on the patient's laryngeal part to bear the weight of the laryngeal mask. By designing facial bearing, the weight of the laryngeal mask is reasonably dispersed; the breathing circuit connector 15 assists the patient in breathing or inhaling medicine.

[0075] Embodiment two

[0076] As shown in Figure 4 In view of the defects that medical laryngeal mask depends on medical personnel to correct displacement and adjust the pressure of the air bag, and the risk of delaying the correction of medical laryngeal mask increases the risk of patient illness delay, the present embodiment provides an active adjustment method for medical laryngeal mask, which comprises the following steps:

[0077] A spatial coordinate system is established according to each component of the medical laryngeal mask;

[0078] In the spatial coordinate system, the spatial position information and the movement trajectory of the medical laryngeal mask are obtained; specifically, the spatial coordinate system is established with the throat of the user as the spatial origin, the positioning guide core transmits the position grid information in real time, and the mobile correction hub calculates the movement trajectory through the position change of the positioning guide core;

[0079] According to the spatial position information and the moving track of the medical laryngeal mask and the set offset space range (moving vector reasonable interval and deviation reasonable interval), the position (angular degree vector and moving vector) of the medical laryngeal mask is corrected to the target position; specifically, the movement of the laryngeal mask is regarded as a combination of rotation and movement around the coordinate origin, and based on the moving track, the angular degree vector and the moving vector of the medical laryngeal mask are corrected by setting the moving vector reasonable interval and the deviation reasonable interval.

[0080] Based on the target position, the patient's breathing pressure change rule is obtained, and the pressure of the airbag is actively adjusted according to the patient's breathing pressure change rule to adapt to the patient's periodic breathing pressure change rule. Specifically, the target position is the best position of the laryngeal mask, and the airbag pressure of the laryngeal mask at the target position is adjusted to adapt to the periodic rule of the patient's exhalation according to the patient's breathing periodic rule.

[0081] As one or more embodiments, it can be understood that the spatial coordinate system can adopt various spatial coordinate systems, for example, a spatial rectangular coordinate system (x, y, z);

[0082] Or, a cylindrical coordinate system (p, f, z);

[0083] Or, a spherical coordinate system (rsin f cos q, rsin f sin q, rcos f);

[0084] Preferably, the spatial rectangular coordinate system (x, y, z) is used for positioning the position of the medical laryngeal mask in the embodiment.

[0085] As one or more embodiments, the set offset space range is that the ideal state position of the medical laryngeal mask is taken as the origin of the spatial rectangular coordinate system, and the moving range is limited to x≤0.5mm, y≤0.5mm, and z≤0.5mm.

[0086] Preferably, the moving range of the medical laryngeal mask is limited to x≤0.2mm, y≤0.2mm, and z≤0.2mm.

[0087] As one or more embodiments, the pressure range of the airbag pressure is 25-30cmH2O.

[0088] The actively adjusting the pressure of the airbag according to the patient's breathing pressure change rule to adapt to the patient's periodic breathing pressure change rule comprises:

[0089] Learning the patient's periodic breathing pressure change rule, and adjusting the airbag pressure to adapt to the periodic breathing pressure fluctuation of the four stages of the patient's inhalation phase, inhalation-exhalation conversion phase, exhalation phase, and exhalation-inhalation conversion phase.

[0090] Embodiment three

[0091] The embodiment provides a medical laryngeal mask active adjustment system, which comprises:

[0092] The medical laryngeal mask position acquisition module is configured to acquire spatial position information and a movement trajectory of the medical laryngeal mask;

[0093] The active correction displacement module is configured to correct the position of the medical laryngeal mask to a target position according to the spatial position information and the movement trajectory of the medical laryngeal mask and a set offset spatial range;

[0094] The pressure adjustment module is configured to collect pressure data of the inner wall of the self-inflating guide tube based on the target position, and actively adjust the pressure of the air bag according to the pressure data of the inner wall of the self-inflating guide tube to adapt to the periodic breathing pressure change rule of the patient.

[0095] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An actively adjustable medical laryngeal mask, characterized in that, include: The medical laryngeal mask body includes a first ventilation tube and a second ventilation tube. A first movable support is disposed within the first ventilation tube, and a second movable support is disposed within the second ventilation tube. The second movable support is movable relative to the first movable support. At least one first positioning guide is installed on the first movable support, and a second positioning guide is installed on the second movable support. One end of the second movable support is connected to an airbag. A movement correction center is disposed at the connection between the first and second ventilation tubes. The movement correction center is used to control the first and second movable supports to move the airbag to a target position based on the data and movement range collected by the first and second positioning guides.

2. The actively adjustable medical laryngeal mask as described in claim 1, characterized in that, The airbag is connected to a self-inflating guide tube, and the inner wall of the self-inflating guide tube is equipped with a pressure guide core, which is connected to the self-inflating device. The self-inflating guide tube adjusts the cuff pressure according to the cuff pressure data collected from the pressure guide core by the self-inflating device to adapt to the patient's periodic respiratory pressure fluctuations.

3. The actively adjustable medical laryngeal mask as described in claim 2, characterized in that, The pressure guide cores are arranged in a ring on the inner wall of the self-inflating guide tube.

4. The actively adjustable medical laryngeal mask as described in claim 1, characterized in that, The first and second ventilation pipes are equipped with ventilation covers.

5. The actively adjustable medical laryngeal mask as described in claim 1, characterized in that, The second movable support is provided with a drainage tube, and the airbag is provided with a drainage port. The drainage tube and the drainage port are connected.

6. The actively adjustable medical laryngeal mask as described in claim 1, characterized in that, External fasteners are installed at both ends of the first ventilation pipe.

7. A medical laryngeal mask active adjustment system, characterized in that, For use in an actively adjustable medical laryngeal mask as described in any one of claims 1-6, comprising: The medical laryngeal mask location acquisition module is configured to acquire the spatial location information and movement trajectory of the medical laryngeal mask. The active correction displacement module is configured to correct the position of the medical laryngeal mask to the target position based on the spatial position information and movement trajectory of the medical laryngeal mask and the set offset spatial range. The pressure regulation module is configured to: collect pressure data from the inner wall of the self-inflating guide tube based on the target location, and actively adjust the pressure of the cuff according to the pressure data from the inner wall of the self-inflating guide tube to adapt to the patient's periodic respiratory pressure changes.

8. The active adjustment system for a medical laryngeal mask as described in claim 7, characterized in that, In the medical laryngeal mask location acquisition module, when acquiring the spatial location information and movement trajectory of the medical laryngeal mask, a spatial coordinate system is established, and the spatial coordinate system adopts a spatial rectangular coordinate system.

9. The active adjustment system for a medical laryngeal mask as described in claim 7, characterized in that, In the active correction shift module, the set offset space range is: x≤0.5mm, y≤0.5mm, z≤0.5mm.

Citation Information

Patent Citations

  • Visual laryngeal mask

    CN115364322A

  • Bronchoscope general anesthesia lower laryngeal mask and trachea cannula fixing support

    CN214970538U