CN115089834A - Anesthesia mask and anesthesia method - Google Patents

Abstract

The invention provides an anaesthetic mask, which belongs to the technical field of medical appliances; including the face guard main part, the top fixed mounting of face guard main part has first gasbag, it has the air to annotate in the first gasbag, the fixed top of first gasbag has been cup jointed and has been run through and extend to first breather pipe in the face guard main part, install detection part, shutoff part, first stop part and the second stop part that are connected in the face guard main part. By arranging the sliding plate, whether the anaesthetic mask leaks when in use can be determined, so that the anaesthetic dose entering the body of a patient is the same as an expected value, the patient is prevented from being awake in the operation, the anaesthetic and analgesic effects on the patient are ensured, the psychological pressure of the patient is reduced, and the stress reaction of the patient is avoided, so that the safety of the operation is improved, the anaesthetic can be fully utilized, the medical cost is saved, the effective anaesthetic of the patient is further ensured, and the safety of the operation is improved.

Description

Anesthesia mask and anesthesia method

technical field

The invention relates to the technical field of medical devices, in particular to an anesthesia mask and an anesthesia method.

Background technique

Anesthesia mask is a medical emergency equipment used in conjunction with anesthesia machine and ventilator. It implements anesthesia gas delivery and is used by patients when inhaling anesthesia gas. It is mainly used for anesthesia breathing resuscitation and surgery. Painful, so that the operation can be carried out smoothly. At present, anesthesia masks for general anesthesia induction and emergency resuscitation are clinically implemented on patients.

Anesthesia needs to be calculated according to the patient's body shape during use, to avoid using too much or too little anesthesia to effectively anesthetize the patient, thereby increasing the risk of surgery. Most of the existing anesthesia masks are flexible through airbags or rubber rings. It is closely sealed with the patient's face to ensure the tightness of the anesthesia mask. The structure is simple, but there is no seal detection function. It is impossible to determine whether the mask will leak during use, so that the amount of anesthesia entering the patient's body is less than the expected value. The patient is awake during the operation, which reduces the analgesic effect of the patient, increases the patient's psychological pressure, produces a stress response, and thus increases the risk of the operation. Therefore, the present application provides an anesthesia mask to meet the needs.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an anesthesia mask to solve the problem that the existing anesthesia mask has no sealing detection function, and it is impossible to determine whether the mask will leak during use, so that the amount of anesthesia entering the patient's body is less than the expected value, so that the The patient is awake during the operation, which reduces the analgesic effect of the patient, increases the patient's psychological pressure, produces a stress response, and increases the risk of the operation.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:

An anesthesia mask, comprising a mask body, a first airbag is fixedly installed on the top of the mask body, air is injected into the first airbag, and a top of the first airbag is fixedly sleeved with a penetrating and extending to the mask A first ventilation pipe in the main body, two first limit rings are fixedly installed on both sides of the first ventilation pipe symmetrically about the center of the first ventilation pipe, and a sealing ring is fixedly installed at the bottom of the mask main body, The mask body is provided with a connected detection part, a blocking part, a first limit part and a second limit part, the top of the mask body is fixedly installed with a first ventilation pipe and a second ventilation pipe, the A third ventilation pipe is fixedly installed on the first ventilation pipe, the first ventilation pipe and the second ventilation pipe both penetrate and extend into the mask body, and the third ventilation pipe penetrates and extends to the first ventilation pipe. In a ventilation tube, a one-way conductive component is fixedly installed in the first ventilation tube, the second ventilation tube, and the third ventilation tube; when the air tightness of the mask body is detected, the first airbag is squeezed Make the gas in the first airbag enter the detection part through the other one-way conduction part, judge the airtightness of the mask body by the deformation duration of the detection part, and check the airtightness through the first limit part. The aforementioned blocking member is used to limit the position, the second limiting member is used to limit the position of the blocking member before the detection of airtightness, and the detection member after the detection is blocked by the blocking member. Avoid anesthesia gas from entering the detection part. During anesthesia, the anesthesia machine pumps anesthesia into the mask body through the first ventilation tube, and avoids the mask body through the one-way conduction part in the first ventilation tube. The anesthetic in the mask flows back into the first air tube, and the anesthetic in the mask body is prevented from flowing back into the first air bag by the one-way conductive member in the second air tube, and at the same time, the anesthetic gas passes through the first air bag. The ventilation tube and the third ventilation tube enter into the first air bag, and the medical staff squeezes the one-way conduction member in the first ventilation tube, the second ventilation tube and the third ventilation tube When the first air bag is used, the residual anesthetic in the first ventilation tube is pumped into the mask body through the third ventilation tube and the second ventilation tube.

Preferably, the one-way conduction member includes limit plates fixedly installed in the first air pipe, the second air pipe, and the third air pipe, respectively, the first air pipe, the second air pipe, the second air pipe A plurality of first limit rods are fixedly installed in the ventilation pipe and the third ventilation pipe in an annular array respectively, and the sphere is placed between the limit plate and the first limit rod.

Preferably, an air nozzle is fixedly installed on one side of the mask body, and the mask body penetrates and extends into the mask body.

Preferably, the detection component includes a limit frame fixedly installed on one side of the mask body, a second airbag is fixedly sleeved on the air nozzle, and the second airbag is located in the limit frame, the There are scales all around the limit frame, and the limit frame is made of transparent material.

Preferably, the blocking member comprises a sliding plate slidably sleeved with the limiting frame, a sliding rod is fixedly installed on one side of the sliding plate, the sliding rod penetrates and extends outside the limiting frame, and the A first spring sleeved on the sliding rod is fixedly installed on one side of the sliding plate, and one end of the first spring is in contact with an inner wall of one side of the limiting frame.

Preferably, the first limiting member includes a third limiting ring fixedly installed on one side of the limiting frame, the sliding rod is provided with a first receding groove, and the sliding rod is provided with a A first cavity that communicates with the first escape groove, a slider is slidably sleeved in the first cavity, a second limit rod is fixedly installed on the top of the slider, and the second limit rod is connected to the The third limit ring is clamped, the top of the slider is fixedly connected with a second spring sleeved outside the second limit rod, and the end of the second spring away from the slider is connected to the first The top inner wall of the cavity collides.

Preferably, the second limiting member includes a second limiting ring fixedly installed on the other side of the limiting frame, and a plurality of second relief grooves are symmetrically opened on the outer side of the sliding rod with respect to the axis of the sliding rod , a clamping block is fixedly installed on one side of the second escape groove.

Preferably, the first spring is located outside the second limit ring, and the second limit rod is an L-shaped rod.

Preferably, the clamping block is an L-shaped clamping block, and the bending portion of the clamping block is provided with rounded corners.

An anesthesia method, applying the above-mentioned anesthesia mask, comprising the following steps of use:

S1: Before anesthesia, press the anesthesia mask on the patient's face and instruct the patient to hold their breath, squeeze the first air bag, and pump the gas in the first air bag into the second air bag through the second air tube and its internal one-way conduction member through the air nozzle. In the air bag, inflate the second air bag, inflate the second air bag and squeeze the slide plate, observe whether the slide plate moves, and judge the air tightness through the preset range value. When the slide plate moves within the preset range, it means that the anesthesia mask The tightness is good. If the movement of the sliding plate exceeds the preset range, the air tightness of the anesthesia mask is unqualified, and a new anesthesia mask needs to be replaced and tested again until the air tightness reaches the standard and then anesthesia begins;

S2: During the airtight inspection, the sliding plate is squeezed and moved by the second air bag, and the first limiting member is released from the limit of the sliding rod;

S3: After the air tightness check is completed, the patient breathes spontaneously, and the sliding plate moves through the elastic force of the first spring, and the sliding plate moves to squeeze the second air bag until the gas in the second air bag is completely removed, at which time the second limiting member Make the slider limit;

S4: During anesthesia, the connecting pipe of the anesthetic is connected with the first ventilation pipe, and the anesthetic is pumped into the mask body through the first ventilation pipe to anesthetize the patient;

S5: When the anesthesia machine no longer pumps the anesthetic into the mask body through the first ventilation tube, the anesthetic entering the first airbag and the anesthetic remaining in the first ventilation tube enter the mask by continuously squeezing and stretching the first airbag inside the body, so that the anesthetic is fully utilized.

Compared with the prior art, the present invention at least has the following beneficial effects:

In the above scheme, the sliding plate is set to observe whether the sliding plate moves, and the air tightness is judged by the preset range value. When the sliding plate moves within the preset range, it means that the air tightness of the anesthesia mask is good. If the air tightness of the anesthesia mask is not up to standard, the anesthesia mask needs to be replaced and tested again until the air tightness of the newly replaced anesthesia mask reaches the standard. Leakage occurs during use, so that the dose of anesthesia entering the patient's body is the same as the expected value, preventing the patient from being awake during the operation, ensuring the anesthetic and analgesic effect on the patient, reducing the patient's psychological pressure, and avoiding the patient's stress response, thereby improving the safety of surgery.

By setting the clamping block, after completing the airtight inspection, the clamping block moves to the inside of the limit frame, resets under the action of its own elastic force, and collides with the inner wall of one side of the limit frame and the inner ring of the second limit ring to complete the adjustment. The limit of the sliding rod, while squeezing the second air bag, makes the inner wall of the second air bag fit with one end of the air nozzle, so as to avoid the expansion of the second air bag. The air bag cannot be inflated again, preventing the anesthetic agent from entering the second air bag during the anesthesia process, causing waste of the anesthetic agent, ensuring the steady progress of the anesthesia process and ensuring the safety of the operation.

By setting the first ventilation tube, during anesthesia, the connecting tube of the anesthetic is communicated with the first ventilation tube, and the anesthetic is pumped into the mask body through the first ventilation tube to anesthetize the patient. When the anesthetic in the mask body is refluxed , Squeeze the sphere, and the sphere collides with the limit plate, so that the anesthetic in the mask body cannot be refluxed, thereby ensuring that the anesthetic in the mask body is fully utilized, ensuring the patient's anesthesia effect, and improving the safety of the operation.

By setting the first air tube, the second air tube and the third air tube, the medical staff continuously squeezes and expands the first air bag through the first limit ring, so that the anesthetic entering the first air bag and the residual in the first air bag The anesthetic in the tube enters into the main body of the mask, so that the anesthetic is fully utilized, medical costs are saved, the effective anesthesia of the patient is further guaranteed, and the safety of the operation is improved.

Description of drawings

The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable those skilled in the relevant art to make and use the disclosure.

1 is a schematic diagram of the three-dimensional structure of an anesthesia mask;

Fig. 2 is a partial cross-sectional three-dimensional schematic diagram of an anesthesia mask from a first angle of view;

Fig. 3 is a partial cross-sectional three-dimensional schematic diagram of an anesthesia mask from a second perspective;

FIG. 4 is a schematic diagram of a partially enlarged structure of FIG. 3;

Fig. 5 is a schematic view of enlarged structure at A place in Fig. 3;

FIG. 6 is a schematic diagram of a three-dimensional enlarged structure of a plugging component;

FIG. 7 is a schematic diagram of a three-dimensional enlarged structure of a limiting frame.

[reference number]

1. Main body of the mask; 2. The first air bag; 3. The first limit ring; 4. The first ventilation pipe; 5. The second ventilation pipe; 6. The third ventilation pipe; 7. The limit plate; 8. The first Limit rod; 9, sphere; 10, air nozzle; 11, sealing ring; 12, second air bag; 13, limit frame; 14, second limit ring; 15, third limit ring; 16, slide plate; 17, sliding rod; 18, first spring; 19, first cavity; 20, slider; 21, second limit rod; 22, second spring; 23, first concession groove; 24, block; 25 , the second concession slot.

As shown in the drawings, in order to clearly realize the structure of the embodiments of the present invention, specific structures and devices are marked in the drawings, but this is only for illustrative purposes, and is not intended to limit the present invention to the specific structures, devices and environments. , according to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments, and the adjustments or modifications are still included in the scope of the appended claims.

Detailed ways

The anesthesia mask provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. At the same time, it is explained here that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can also implement other alternative ways for some known technologies; The embodiments are only described in more detail, and are not intended to specifically limit the present invention.

It should be noted that references in the specification to "one embodiment," "an embodiment," "exemplary embodiment," "some embodiments," etc. indicate that the described embodiment may include a particular feature, structure, or characteristic, but Not every embodiment includes the particular feature, structure, or characteristic. Furthermore, when a particular feature, structure or characteristic is described in connection with one embodiment, it is within the knowledge of those skilled in the relevant art to implement such feature, structure or characteristic in connection with other embodiments, whether explicitly described or not.

Generally, terms can be understood, at least in part, from their contextual usage. For example, the term "one or more" as used herein may be used to describe any feature, structure or characteristic in the singular or a combination of features, structures or characteristics in the plural, depending at least in part on the context. Additionally, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for the presence of other factors not necessarily explicitly described.

As used herein, the term "nominal/nominal" refers to a desired or target value for a characteristic or parameter of a component or process operation set during the design phase of a production or manufacturing process, and above and/or below The range of values for the expected value. The range of values may be due to slight variations in the manufacturing process or tolerances. As used herein, the term "about" indicates a given amount of value that may vary based on the particular technology node associated with the subject semiconductor device. Based on a particular technology node, the term "about" may indicate a given amount of value, which varies, eg, within 5%-15% of the value (eg, ±5%, ±10%, or ±15% of the value).

It is to be understood that the meanings of "on," "on," and "over" in this disclosure should be read in the broadest possible manner, such that "on" means not only "directly on" something "on" but also includes "on" something with intervening features or layers, and "on" or "over" means not only "on" something The meaning of "on" or "over" can also include its meaning "on" or "over" something without intervening features or layers.

Furthermore, spatially relative terms such as "below", "below", "lower", "above", "upper" and the like may be used herein for descriptive convenience to describe one element or feature with another The relationship of one or more elements or features as illustrated in the accompanying drawings. Spatially relative terms are intended to encompass different orientations in use or operation of the device in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein similarly interpreted accordingly.

As shown in FIG. 1-FIG. 4, an embodiment of the present invention provides an anesthesia mask, including a mask body 1, a first airbag 2 is fixedly installed on the top of the mask body 1, and air is injected into the first airbag 2, The top of the first airbag 2 is fixedly sleeved with a first ventilation tube 4 that penetrates and extends into the mask body 1 , and two first ventilation tubes 4 are symmetrically and fixedly installed on both sides of the first ventilation tube 4 with respect to the center of the first ventilation tube 4 . Position ring 3, when medical staff use the device, they pass their fingers through the two first limit rings 3, and through the two first limit rings 3, the holding effect of the medical staff on the first airbag 2 is improved, so as to facilitate medical care When the person squeezes and stretches the first airbag 2, the bottom of the mask body 1 is fixedly installed with the sealing ring 11, and the mask body 1 is equipped with the connected detection part, the blocking part, the first limit part and the second Limiting component, the top of the mask body 1 is fixedly installed with a first ventilation pipe 4 and a second ventilation pipe 5, and a third ventilation pipe 6, a first ventilation pipe 4 and a second ventilation pipe 5 are fixedly installed on the first ventilation pipe 4 All penetrate and extend into the mask body 1, the third ventilation pipe 6 penetrates and extends into the first ventilation pipe 4, and the first ventilation pipe 4, the second ventilation pipe 5, and the third ventilation pipe 6 are all fixedly installed with a one-way guide. When detecting the airtightness of the mask body 1, squeeze the first airbag 2 so that the gas in the first airbag 2 enters the detection part through the other one-way conductive part, and judges the airtightness of the mask body 1 by the duration of the deformation of the detection part. For air tightness, the first limiting member limits the position of the sealing member before detection of airtightness, the second limiting member is used to limit the position of the sealing member before detection of airtightness, and the sealing member is used to limit the detection member after detection. Blocking is performed to prevent the anesthetic gas from entering the detection part. During anesthesia, the anesthesia machine pumps the anesthetic into the mask body 1 through the first ventilation tube 4, and avoids the anesthetic in the mask body 1 through the one-way conduction part in the first ventilation tube 4. Backflow into the first ventilation tube 4, the anesthetic in the mask body 1 is prevented from flowing back into the first airbag 2 through the one-way conducting member in the second ventilation tube 5, and at the same time, the anesthetic gas passes through the first ventilation tube 4 and the third ventilation tube. When the trachea 6 enters the first airbag 2, and the medical staff squeezes the first airbag 2 through the one-way conducting parts in the first airway 4, the second airway 5 and the third airway The residual anesthetic is pumped into the mask body 1 through the third ventilation tube 6 and the second ventilation tube 5 .

As shown in FIG. 1-FIG. 4, in this embodiment, the one-way conduction component includes limit plates 7 fixedly installed in the first ventilation pipe 4, the second ventilation pipe 5, and the third ventilation pipe 6, respectively. , a plurality of first limit rods 8 are fixedly installed in the first ventilation pipe 4, the second ventilation pipe 5, and the third ventilation pipe 6 in an annular array respectively, and there are placed between the limit plate 7 and the first limit rod 8 A ball 9; a gas nozzle 10 is fixedly installed on one side of the mask body 1, and the mask body 1 penetrates and extends into the mask body 1; the detection component includes a limit frame 13 fixedly installed on one side of the mask body 1, and the gas nozzle 10 is fixed on The second air bag 12 is sleeved, the second air bag 12 is located in the limit frame 13, the limit frame 13 is provided with scales all around, the limit frame 13 is made of transparent material, and the surface of the slide plate 16 is coated with red pigment, which is convenient for medical care. A person observes the sliding plate 16 when checking the air tightness of the anesthesia mask.

Before anesthesia, press the device on the patient's face and instruct the patient to hold their breath, squeeze the first air bag 2, and the gas in the first air bag 2 passes through the second vent tube 5 and the limit plate 7 in the second vent tube 5 and the first air bag 2. The limit rod 8 is pumped into the second air bag 12 through the mask body 1 and the air nozzle 10 to inflate the second air bag 12. The second air bag 12 inflates and squeezes the slide plate 16 to observe whether the slide plate 16 moves. The air tightness is judged. When the sliding plate 16 moves within the preset range, it means that the air tightness of the anesthesia mask is good. If the movement of the sliding plate 16 exceeds the preset range, the air tightness of the anesthesia mask is unqualified and needs to be replaced with a new one. The anesthesia mask is tested again until the airtightness of the newly replaced anesthesia mask reaches the standard, and anesthesia is started. Through the design of the upper structure, it can be determined whether the anesthesia mask will leak during use, so that the anesthesia dose entering the patient is the same as the expected value. It can prevent the patient from being awake during the operation, ensure the anesthetic and analgesic effect on the patient, reduce the patient's psychological pressure, and avoid the patient's stress response, thereby improving the safety of the operation.

As shown in FIG. 1, FIG. 5-FIG. 7, in this embodiment, the blocking component includes a sliding plate 16 that is slidably sleeved with the limit frame 13, and a sliding rod 17 is fixedly installed on one side of the sliding plate 16, and the sliding The rod 17 penetrates and extends to the outside of the limit frame 13, a first spring 18 sleeved on the slide rod 17 is fixedly installed on one side of the slide plate 16, and one end of the first spring 18 is in conflict with the inner wall of one side of the limit frame 13; The first limit member includes a third limit ring 15 fixedly installed on one side of the limit frame 13 , a first escape groove 23 is formed on the sliding rod 17 , and a second escape groove 23 is opened in the sliding rod 17 . A cavity 19, a slider 20 is slidably sleeved in the first cavity 19, a second limit rod 21 is fixedly installed on the top of the slider 20, and the second limit rod 21 is engaged with the third limit ring 15. The top of the slider 20 is fixedly connected with a second spring 22 sleeved outside the second limit rod 21 .

During the airtight inspection, the expanded second air bag 12 squeezes the slide plate 16 to move the slide plate 16, and the slide plate 16 drives the second limit rod 21 to move through the second spring 22, thereby canceling the second limit rod 21 and the third limit rod 21. The clamping of the position ring 15, under the elastic force of the second spring 22, the slider 20 moves along the inner wall of the first cavity 19, and drives the second limit rod 21 to be clamped with the first escape groove 23 to release the alignment. The limit of the slide bar 17.

As shown in FIG. 5 and FIG. 6 , in this embodiment, the second limiting member includes a second limiting ring 14 fixedly installed on the other side of the limiting frame 13 , and the outer side of the sliding rod 17 is about the sliding rod The axis of 17 is symmetrically provided with a plurality of second escape grooves 25 , and a clamping block 24 is fixedly installed on one side of the second escape grooves 25 .

After the air tightness check is completed, the patient breathes spontaneously, and the sliding rod 17 that loses its limit drives the sliding plate 16 to move along the inner wall of the limiting frame 13 under the elastic force of the first spring 18, and the moving sliding plate 16 squeezes the second air bag 12, At the same time, the clamping block 24 is driven to move. During the movement of the clamping block 24, it is squeezed and deformed by the third limiting ring 15, and moves into the second escape groove 25. When the gas in the second air bag 12 is completely discharged, the clamping block 24 Move to the inside of the limit frame 13, at the same time reset under the action of its own elastic force, and collide with the inner wall of the limit frame 13 and the inner ring of the second limit ring 14, complete the limit of the sliding rod 17, and squeeze Press the second air bag 12 to make the inner wall of the second air bag 12 fit with one end of the air nozzle 10 to prevent the second air bag 12 from expanding. Through the design of the upper structure, the second air bag 12 cannot be used again after the air tightness detection of the device is completed. Expansion prevents the anesthetic agent from entering the second air bag 12 during the anesthesia process, causing waste of the anesthetic agent, ensuring the steady progress of the anesthesia process and the safety of the operation.

During anesthesia, the connecting pipe of the anesthetic is communicated with the first ventilation pipe 4, and the anesthetic is pumped into the mask body 1 through the first ventilation pipe 4 to anesthetize the patient. The spherical body 9 is in conflict with the limiting plate 7, so that the anesthetic agent in the mask body 1 cannot be refluxed, thereby ensuring that the anesthetic agent in the mask body 1 is fully utilized, ensuring the anesthetic effect of the patient, and improving the safety of the operation.

At the same time, the anesthetic will also enter the first airbag 2 through the third ventilation tube 6, and the first airbag 2 will not be continuously expanded by the medical staff holding the first airbag 2. When the anesthesia machine no longer passes through the first ventilation tube 4 to the first airbag 2 When the anesthetic is pumped into the mask body 1, that is, when the anesthesia is about to end, the medical staff continuously squeezes and expands the first air bag 2 through the first limit ring 3, so that the anesthetic entered into the first air bag 2 and the residual in the first ventilation tube are made. The anesthetic in 4 enters into the mask main body 1, so that the anesthetic is fully utilized; the specific process is: when the first airbag 2 is squeezed, the anesthetic in the first airbag 2 enters the mask main body 1 through the second ventilation tube 5, and is affected by the mask. The air pressure in the main body 1 affects the balls 9 in the first ventilation tube 4 and the second ventilation tube 5, which are in conflict with the limiting plate 7, so as to prevent the anesthetic in the mask body 1 from flowing back into the first ventilation tube 4 and the first air bag 2. Affected by the air pressure in the first air bag 2, the ball 9 in the third ventilation tube 6 collides with the limit plate 7 to prevent the anesthetic from flowing back into the first ventilation tube 4. When the medical staff expands outward through the first limit ring 3 When the first air bag 2 is used, under the action of the negative pressure in the first air bag 2, the anesthetic remaining in the first air bag 4 enters the first air bag 2 through the third air bag 6, and the first air bag 2 is squeezed again to make the first air bag 2. The anesthetic in the airbag 2 enters the mask body 1, and the operation is repeated continuously to complete the full utilization of the residual anesthetic, which saves medical costs, further ensures the effective anesthesia of the patient, and improves the safety of the operation.

As shown in FIG. 5 and FIG. 6 , in this embodiment, the clamping block 24 is an L-shaped clamping block, and the bending part of the clamping block 24 is provided with rounded corners, which is convenient for guiding the bending of the clamping block 24 . The clamping block 24 is prevented from being clamped with the third limiting ring 15 during the movement process, and the normal use of the clamping block 24 is ensured.

As shown in FIGS. 5-7 , in this embodiment, the first spring 18 is located outside the second limit ring 14 , and the second limit rod 21 is an L-shaped rod, so that the block 24 enters the limit frame 13 directly collides with the second limiting ring 14 to increase the limiting stability of the clamping block 24 .

The technical solution provided by the present invention is that by setting the slide plate, the device is pressed on the patient's face and the patient is instructed to hold his breath, squeeze the first air bag, and the gas in the first air bag passes through the second air tube and the limit plate in the second air tube, The first limit rod is pumped into the second air bag through the mask body and the air nozzle to inflate the second air bag, the second air bag inflates and squeezes the slide plate, observe whether the slide plate moves, and judge the air tightness by the preset range value. When the sliding plate moves within the preset range, it means that the air-tightness of the anesthesia mask is good. If the movement of the sliding plate exceeds the preset range, the air-tightness of the anesthesia mask is unqualified. After the air tightness of the anesthesia mask reaches the standard, anesthesia is started. Through the design of the upper structure, it can be determined whether the anesthesia mask will leak during use, so that the dose of anesthesia entering the patient's body is the same as the expected value, preventing the patient from being awake during the operation. The anesthesia and analgesia effect on patients reduces the psychological pressure of patients, and avoids stress reactions in patients, thereby improving the safety of surgery.

By setting the second limit rod, the expanded second airbag squeezes the slide plate to move the slide plate, and the slide plate drives the second limit rod to move through the second spring, thereby canceling the clamping connection between the second limit rod and the third limit ring, Under the elastic force of the second spring, the slider moves along the inner wall of the first cavity, and drives the second limit rod to engage with the first escape groove to release the limit of the slide rod.

By setting the block, after the air tightness check is completed, the patient breathes spontaneously, and the slide bar that loses its limit drives the slide plate to move along the inner wall of the limit frame under the elastic force of the first spring, and the moving slide plate squeezes the second air bag, and at the same time Drive the block to move. During the movement of the block, it is squeezed and deformed by the third limit ring, and moves into the second retreat groove. When the gas in the second air bag is completely removed, the block moves to the inside of the limit frame. At the same time, it is reset under the action of its own elastic force, and the inner wall of one side of the limit frame and the inner ring of the second limit ring are in conflict to complete the limit of the sliding rod, and at the same time, the second air bag is squeezed to make the inner wall of the second air bag. Fitting with one end of the air nozzle to avoid the expansion of the second air bag. The upper structure design makes the second air bag unable to expand again after the air tightness detection of the device is completed, so as to prevent the anesthetic agent from entering the second air bag during the anesthesia process, causing the anesthetic agent to be inflated. Waste, ensure the steady progress of the anesthesia process, and ensure the safety of the operation.

By setting the first ventilation tube, during anesthesia, the connecting tube of the anesthetic is communicated with the first ventilation tube, and the anesthetic is pumped into the mask body through the first ventilation tube to anesthetize the patient. When the anesthetic in the mask body is refluxed , Squeeze the sphere, and the sphere collides with the limit plate, so that the anesthetic in the mask body cannot be refluxed, thereby ensuring that the anesthetic in the mask body is fully utilized, ensuring the patient's anesthesia effect, and improving the safety of the operation.

By setting the first air tube, the second air tube and the third air tube, the anesthetic will also enter the first air bag through the third air tube. The anesthesia machine no longer pumps anesthesia into the mask body through the first ventilation tube, that is, when the anesthesia is about to end, the medical staff continuously squeezes and expands the first air bag through the first limit ring, so that the anesthetic agent in the first air bag and the The anesthetic remaining in the first ventilation tube enters the mask body, so that the anesthetic is fully utilized; the specific process is: when the first airbag is squeezed, the anesthetic in the first airbag enters the mask body through the second ventilation tube, and is affected by the mask body. The air pressure inside affects the balls in the first air tube and the second air tube, which are in conflict with the limit plates, so as to prevent the anesthetic in the mask body from flowing back into the first air tube and the first air bag, and the third air bag is affected by the air pressure in the first air bag. The sphere in the ventilation tube collides with the limit plate to prevent the anesthetic from flowing back into the first ventilation tube. When the medical staff expands the first air bag outward through the first limit ring, under the action of the negative pressure in the first air bag, the first air bag is ventilated. The anesthetic remaining in the tube enters the first air bag through the third ventilation tube, and the anesthetic in the first air bag enters the mask body by squeezing the first air bag again. cost, and further ensure the effective anesthesia of the patient and improve the safety of the operation.

The present invention covers any alternatives, modifications, equivalent methods and arrangements made within the spirit and scope of the present invention. In order to give the public a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, well-known methods, procedures, procedures, components, circuits, etc. have not been described in detail so as not to unnecessarily obscure the essence of the present invention.

Those skilled in the art can understand that all or part of the steps in the methods of the above embodiments can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, such as: ROM/RAM, magnetic Discs, CDs, etc.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be It is regarded as the protection scope of the present invention.

Claims (10)

1. an anesthesia mask, is characterized in that, comprises: A mask body, a first air bag is fixedly installed on the top of the mask body, the first air bag is filled with air, and the top of the first air bag is fixedly sleeved with a first channel that penetrates and extends into the mask body. a trachea, two first limit rings are fixedly and symmetrically installed on both sides of the first ventilation pipe with respect to the center of the first ventilation pipe; A sealing ring is fixedly installed on the bottom of the mask main body, and a connected detection part, a blocking part, a first limit part and a second limit part are installed on the mask main body; A first ventilation pipe and a second ventilation pipe are fixedly installed on the top of the mask body, a third ventilation pipe is fixedly installed on the first ventilation pipe, and both the first ventilation pipe and the second ventilation pipe pass through and are connected to each other. Extending into the mask body, the third ventilation pipe penetrates and extends into the first ventilation pipe, and a single ventilation pipe is fixedly installed in the first ventilation pipe, the second ventilation pipe, and the third ventilation pipe. guide the part; When detecting the airtightness of the mask body, squeeze the first airbag so that the gas in the first airbag enters the detection part through the other one-way conducting part, and judge the mask body by the duration of the deformation of the detection part The airtightness of the device is limited by the first limiting member to limit the position of the blocking member before the airtightness is detected, and the second limiting member is used to limit the position of the blocking member before the airtightness is detected. The blocking part blocks the detection part after detection to prevent the anesthetic gas from entering the detection part. During anesthesia, the anesthesia machine pumps the anesthetic agent into the mask body through the first ventilation tube, and passes through the first ventilation tube. The one-way conductive member in the first ventilation tube prevents the anesthetic in the mask body from flowing back into the first ventilation tube, and the one-way conduction member in the second ventilation tube prevents the anesthetic from flowing back in the mask body into the first air bag, at the same time, the anesthetic gas enters the first air bag through the first air tube and the third air tube, and passes through the first air tube, the second air tube and the first air bag. When the medical staff squeezes the first air bag by the one-way conducting part in the three air tubes, the residual anesthetic in the first air tube is pumped into the mask through the third air tube and the second air tube within the subject. 2 . The anesthesia mask according to claim 1 , wherein the one-way communication member comprises a limiter fixedly installed in the first ventilation tube, the second ventilation tube, and the third ventilation tube, respectively. 3 . A plurality of first limit rods are fixedly installed in the first ventilation pipe, the second ventilation pipe, and the third ventilation pipe in an annular array respectively, and the limit board and the first limit rod There are spheres placed in between. 3 . The anesthesia mask according to claim 1 , wherein an air nozzle is fixedly installed on one side of the mask body, and the mask body penetrates and extends into the mask body. 4 . 4 . The anesthesia mask according to claim 3 , wherein the detection component comprises a limit frame fixedly installed on one side of the mask main body, a second airbag is fixedly sleeved on the air nozzle, and the The second airbag is located in the limit frame, and scales are arranged around the limit frame, and the limit frame is made of transparent material. 5 . The anesthesia mask according to claim 4 , wherein the blocking member comprises a sliding plate slidably sleeved with the limiting frame, and a sliding rod is fixedly installed on one side of the sliding rod, and the sliding rod A first spring sleeved on the sliding rod is fixedly installed on one side of the sliding plate, and one end of the first spring is connected to the inner wall of one side of the limiting frame. conflict. 6 . The anesthesia mask according to claim 5 , wherein the first limiting member comprises a third limiting ring fixedly installed on one side of the limiting frame, and the sliding rod is provided with a first limiting ring. 7 . An escape groove, a first cavity communicating with the first escape groove is opened in the sliding rod, a sliding block is slidably sleeved in the first cavity, and a second limiter is fixedly installed on the top of the sliding block. The second limit rod is clamped with the third limit ring, the top of the slider is fixedly connected with a second spring sleeved outside the second limit rod, the second limit One end of the spring away from the slider is in conflict with the top inner wall of the first cavity. 7 . The anesthesia mask according to claim 6 , wherein the second limiting member comprises a second limiting ring fixedly installed on the other side of the limiting frame, and the outer side of the sliding rod is about the The axis of the sliding rod is symmetrically provided with a plurality of second escape grooves, and a clamping block is fixedly installed on one side of the second escape grooves. 8 . The anesthesia mask according to claim 7 , wherein the first spring is located outside the second limit ring, and the second limit rod is an L-shaped rod. 9 . 9 . The anesthesia mask according to claim 7 , wherein the clamping block is an L-shaped clamping block, and the bending part of the clamping block is provided with rounded corners. 10 . 10. A method of anesthesia, using the anesthesia mask according to claims 1 to 9, characterized in that it comprises the following steps of use: S1: Before anesthesia, press the anesthesia mask on the patient's face and instruct the patient to hold their breath, squeeze the first air bag, and pump the gas in the first air bag into the second air bag through the second air tube and its internal one-way conduction member through the air nozzle. In the air bag, inflate the second air bag, inflate the second air bag and squeeze the slide plate, observe whether the slide plate moves, and judge the air tightness through the preset range value. When the slide plate moves within the preset range, it means that the anesthesia mask The tightness is good. If the movement of the sliding plate exceeds the preset range, the air tightness of the anesthesia mask is unqualified, and a new anesthesia mask needs to be replaced and tested again until the air tightness reaches the standard and then anesthesia begins; S2: During the airtight inspection, the sliding plate is squeezed and moved by the second air bag, and the first limiting member is released from the limit of the sliding rod; S3: After the air tightness check is completed, the patient breathes spontaneously, and the sliding plate moves through the elastic force of the first spring, and the sliding plate moves to squeeze the second air bag until the gas in the second air bag is completely removed, at which time the second limiting member Make the slider limit; S4: During anesthesia, the connecting pipe of the anesthetic is connected with the first ventilation pipe, and the anesthetic is pumped into the mask body through the first ventilation pipe to anesthetize the patient; S5: When the anesthesia machine no longer pumps the anesthetic into the mask body through the first ventilation tube, the anesthetic entering the first airbag and the anesthetic remaining in the first ventilation tube enter the mask by continuously squeezing and stretching the first airbag inside the body, so that the anesthetic is fully utilized.

Images