CN215194661U

CN215194661U - Multifunctional disposable laryngeal mask

Info

Publication number: CN215194661U
Application number: CN202120099547.7U
Authority: CN
Inventors: 周沈伦; 刘斌; 陈建颜; 张来佳
Original assignee: Zhejiang Bochun Medical Instrument Co ltd
Current assignee: Zhejiang Bochun Medical Instrument Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-17
Anticipated expiration: 2031-01-14

Abstract

The utility model belongs to the technical field of the laryngeal mask and specifically relates to a multi-functional disposable laryngeal mask, including drainage channel, breather pipe, aerify gasbag and visual device, the top of aerifing the gasbag is provided with the connection cover of ventilating, and the internally mounted of breather pipe has temperature measuring device, and visual device and breather pipe are the components of a whole that can function independently, and visual device cup joints in the inside of breather pipe, and visual device is including moulding visual pipe, and moulding visual pipe's one end is provided with camera probe, and moulding visual pipe's the other end is provided with spacing piece. The utility model discloses following beneficial effect has: the medical staff can check whether the various parts of the laryngeal mask are in the correct position by means of a display connected to the visualization device; the laryngeal mask is additionally provided with the temperature measuring device, so that the body temperature of a patient can be monitored in a non-invasive and real-time manner in the operation process; the length of moulding visual pipe built-in can be adjusted in a flexible way, can rationally adjust the focus according to the distance of shot object to the probe of making a video recording to form clear formation of image.

Description

Multifunctional disposable laryngeal mask

Technical Field

The utility model relates to a laryngeal mask field, especially a multi-functional disposable laryngeal mask.

Background

The laryngeal mask is an airway appliance consisting of an inflatable leaf-shaped silicone mask and a rubber connecting pipe, and can be inserted into the throat through a blind or clear mouth. When the air sac part of the laryngeal mask is inflated, the expanded laryngeal mask can surround and seal the epiglottis and the glottis to form a low-pressure sealing mask around the larynx, and a laryngeal mask connecting pipe is communicated to the outside of the oral cavity, can be connected with a breathing machine and can be used for autonomous breathing or positive pressure ventilation.

The laryngeal mask is suitable for achieving and maintaining control over the airway of a fasting patient during a short, routine anesthesia procedure, for managing the airway with known or unknown difficulty, and for establishing a clean airway during resuscitation of a deeply unconscious patient who is at risk of airway obstruction and who may require manual ventilation.

Early laryngeal masks did not have video capabilities, and during the insertion and use of the laryngeal mask, it was necessary to observe and determine whether the laryngeal mask was correctly placed by means of other tools, such as rigid or soft endoscopes, to ensure the safety and effectiveness of the laryngeal mask during insertion and use, and to avoid the use of endotracheal intubation. In use, intubating laryngeal masks were subsequently developed with wired video capabilities, which were made visible by permanently affixing the imaging element to the mask. However, in such a visual laryngeal mask, the visual probe and the image transmission line are usually arranged in the laryngeal mask airway, so that the sectional area of the airway is occupied, and the ventilation volume is influenced; the focal length is not variable due to the fixed position of the camera probe, so that the problems of incapability of observation or unclear observation and the like are easily caused;

therefore, it is of great significance to develop a video laryngeal mask that does not obstruct ventilation and is easy to focus.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned shortcomings of the prior art, a multifunctional disposable laryngeal mask is provided.

The utility model provides a multi-functional disposable laryngeal mask, includes drainage channel, breather pipe, aerifys gasbag and visual device, the top of aerifing the gasbag is provided with the connection cover of ventilating, drainage channel and breather pipe communicate respectively to the connection cover of ventilating, the internally mounted of breather pipe has temperature measuring device, it is equipped with the drainage hole and aerifys the hole to aerify the gasbag, the drainage channel runs through to aerify the gasbag and communicates to the drainage hole, visual device and breather pipe are the components of a whole that can function independently, visual device cup joints in the inside of breather pipe, visual device is including moulding visual pipe, the one end of moulding visual pipe is provided with the probe of making a video recording, the other end of moulding visual pipe is provided with spacing piece.

Preferably, the inflatable balloon is elliptical.

Preferably, the temperature measuring device comprises a temperature measuring probe, and the temperature measuring probe is arranged inside the ventilation connecting cover.

Preferably, the inflation hole is communicated to an inflation pipeline.

Preferably, the inflation conduit is connected to an inflation device.

Preferably, the drainage channel is connected with the vent pipe by a pipe clamp.

Preferably, a guide seat is arranged in the ventilation connecting cover.

Preferably, the guide seat is provided with an arc-shaped groove, a first extending direction of the arc-shaped groove coincides with the axis of the vent pipe, and a second extending direction of the arc-shaped groove coincides with the opening direction of the inflatable air bag.

Advantageous effects

The multifunctional disposable laryngeal mask has the following effects:

1. the medical professional can check whether the various parts of the laryngeal mask are in the correct position by means of a display connected to the visualization device. The method can be used for enabling an anaesthetist to insert the laryngeal mask into a patient in relatively difficult positions on one hand, and for some infected patients on the other hand, the operation can be conveniently carried out without worrying about infection with the help of a visual device;

2. under the conventional condition, the body temperature is monitored in real time by adopting modes such as a wound and the like in the operation process, so that the injury to a patient is caused. The laryngeal mask is additionally provided with the temperature measuring device, so that the body temperature of a patient can be monitored in a non-invasive and real-time manner in the operation process;

3. the tracheal tube and the drainage channel are connected by arranging the tube clamp, and the bending degree of the tracheal tube and the drainage channel is ensured to be consistent under the constraint of the tube clamp, so that the volume of the trachea occupied by the whole laryngeal mask is reduced, and the mechanical stimulation to a patient is reduced;

the length of the built-in plastic visual catheter can be flexibly adjusted, and the focal length can be reasonably adjusted according to the distance from a shot object to the camera probe, so that clear imaging is formed. The problems that the sectional area of an airway is occupied by a camera probe structure, the air flow is influenced, the focal length is not variable due to the fixed position of the camera probe, observation cannot be easily carried out or observation is not clear and the like in the existing disposable laryngeal mask products sold in the market are solved;

5. the ventilation connecting cover is internally provided with a guide seat, the direction of a camera probe of the visual device is changed by the guide seat, the camera probe faces the opening direction of the inflatable air bag, and the camera probe can shoot a complete image in the trachea of the patient.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a bottom view of an embodiment of the present invention;

fig. 3 is a left side view of an embodiment of the invention;

fig. 4 is a cross-sectional view of an embodiment of the invention;

fig. 5 is a perspective view of the guide base in the embodiment of the present invention;

fig. 6 is a left side view of the guide base in the embodiment of the present invention;

the figures are labeled as follows:

1-an inflatable air bag, 11-an air vent connecting cover, 12-a drainage hole, 13-an inflation port, 14-a guide seat, 141-an arc-shaped groove, 141 a-a first extending direction, 141 b-a second extending direction, 2-an air vent pipe, 3-a drainage channel, 5-a temperature measuring device, 51-a temperature measuring probe, 6-an inflatable pipeline and 7-a pipe clamp.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The multifunctional disposable laryngeal mask comprises a drainage channel 3, a vent pipe 2, an inflatable air bag 1 and a visual device, wherein a ventilation connecting cover 11 is arranged at the top of the inflatable air bag 1, the drainage channel 3 and the vent pipe 2 are respectively communicated to the ventilation connecting cover 11, a temperature measuring device 5 is arranged inside the vent pipe 2, the inflatable air bag 1 is provided with a drainage hole 12 and an inflation hole 13, the drainage channel 3 penetrates through the inflatable air bag 1 and is communicated to the drainage hole 12, the visual device and the vent pipe 2 are separated, the visual device is sleeved inside the vent pipe 2 and comprises a shaping visual catheter, a camera is arranged at one end of the shaping visual catheter, and a limiting piece is arranged at the other end of the shaping visual catheter.

Secretions, sputum and the like in the lung of the patient enter from the drainage hole 12 and are discharged by the external sputum suction device through the drainage channel 3.

The shaping visual pipe of visual device has certain deformability, embolias the visual pipe of shaping in breather pipe 2 and carries out the intubate action, and shaping visual pipe is putting into in-process atress and is out of shape, and breather pipe 2 follows shaping visual pipe and warp into shape rather than being similar, can be more smooth carry out the intubate action, and can not obstruct external gas entering trachea. The video signal is output to the camera probe through the image transmission line on the external display, and the breather pipe 2 is pushed into appropriate position under the supplementary guide of display, takes out visual device immediately, guarantees to ventilate smoothly. The length of moulding visual pipe built-in can be adjusted in a flexible way, can rationally adjust the focus according to the distance of object of shooing to the probe of making a video recording to form clear formation of image, be favorable to medical personnel to observe the state of an illness. The other end of moulding visual pipe is equipped with spacing piece, and spacing piece is used for injecing the biggest stroke of visual device, pushes certain length back when moulding visual pipe, and the flange of spacing piece offsets with the one end terminal surface of breather pipe 2, prevents to push into excessive damage to human tissue.

The inflatable air bag 1 is elliptical. Before the laryngeal mask is used, the inflatable air bag 1 is pre-inflated, the inflatable air bag 1 expands to be in an elliptical state, the air bag is prevented from being folded in the process of being placed, and then a proper amount of water-based lubricating oil is coated on the surface of the inflatable air bag 1, so that the resistance of the laryngeal mask in the process of being placed is reduced. When the trachea is placed, the stress surface of the trachea is an arc surface, the contact area of the oval inflatable air bag 1 and the trachea is increased, and the probability of scratching the mucosa of the trachea is reduced. The inflatable air bag 1 is close to the surface of the air passage to form a closed area, so that mechanical ventilation is facilitated.

The temperature measuring device 5 comprises a temperature measuring probe 51, and the temperature measuring probe 51 is arranged inside the ventilation connecting cover 11. The temperature measuring probe 51 may be any one having a temperature measuring function, and in this embodiment, the temperature measuring probe 51 is a high-precision NTC temperature sensor, which can measure the body temperature accurately in real time and is widely used in the medical field. The high-precision NTC temperature sensor also has the characteristics of small volume, high precision and the like, the temperature sensor needs to be kept in the trachea all the time, and the smaller the volume of the temperature measuring probe 51 is, the smaller the influence on the ventilation of the laryngeal mask is.

The inflation hole 13 is communicated to the inflation pipeline 6.

The inflation duct 6 is connected to an inflator. The inflating device can be a syringe or an automatic inflating pump with pressure measuring and maintaining functions.

The drainage channel 3 and the vent pipe 2 are connected by a pipe clamp 7. Pipe strap 7 is interconnect's first pipe strap and second pipe strap, and first pipe strap and second pipe strap all include the arc snap ring that is greater than 180 degrees, and the opening direction of first pipe strap and second pipe strap is carried on the back mutually, and drainage channel 3 is blocked in the first pipe strap, and 2 blocks in the second pipe strap of breather pipe. Put the pipe in-process, drainage channel 3 and breather pipe 2 all can the atress take place to buckle, and drainage channel 3 and breather pipe 2's bending degree is different, and both guarantee that the bending degree is unanimous under the restraint of pipe strap 7, have reduced whole laryngeal mask and have taken up tracheal volume, reduce the mechanical stimulation to the patient.

A guide seat 14 is arranged in the ventilation connecting cover 11. After the laryngeal mask is placed, the visual angle of the camera probe is limited, generally 60 degrees to 140 degrees, and the extension direction of the breather pipe 2 is towards the side wall of the inflatable air bag 1. When the visual device is free from other external forces, the shaping visual catheter keeps the original shape, most of images shot by the camera probe are the side wall part of the inflatable air bag 1, and therefore the camera probe cannot shoot more complete images in the trachea of the patient. Therefore, by adding the guide seat 14 in the ventilation connecting cover 11, the position of the guide seat 14 is on the curve where the axis of the ventilation pipe 2 is located, and the end position of the shaping visual catheter of the visual device is directionally changed, so that the camera probe faces the opening direction of the inflatable airbag 1.

The guide seat 14 is provided with an arc-shaped slot 141, a first extending direction 141a of the arc-shaped slot 141 coincides with the axis of the vent pipe 2, and a second extending direction 141b of the arc-shaped slot 141 coincides with the opening direction of the inflatable airbag 1. After the shaping visual catheter is placed into the ventilation tube 2, the shaping visual catheter enters the arc-shaped groove 141 along the first extending direction 141a, the tail end of the shaping visual catheter is in contact with the arc-shaped surface of the arc-shaped groove 141, under the combined action of thrust and supporting force of the arc-shaped groove 141, one part of the shaping visual catheter is changed into a bending part matched with the surface of the arc-shaped groove 141, the advancing direction of the visual device is changed into the second extending direction 141b from the first extending direction 141a, the camera probe faces the opening direction of the inflatable air bag 1, and the camera probe can shoot a complete image in the trachea of a patient.

The specific working principle is as follows:

the medical care personnel insert the mouth of the patient with the thumb of the left hand and pull the mandible of the patient, hold the laryngeal mask with the pen in the right hand, poke open the lips of the patient with the left hand, put the laryngeal mask into the mouth gently from the center of the mouth or one side of the corner of the mouth with the right hand, the direction of the mask mouth faces towards the mandible, and during the process, the positions of the lips and the tongue body of the patient should be noticed, and the laryngeal mask should be prevented from being clamped between the teeth and the laryngeal mask, so that various injuries can be avoided. After the laryngeal mask is positioned in the middle of the oral cavity and the air bag is flat, the visual device is sleeved into the air pipe 2 of the laryngeal mask, the laryngeal mask is tightly attached to the hard palate along the central line of the tongue, the soft palate and the rear wall of the pharynx are sequentially placed downwards, the laryngeal mask is pushed to an accurate position under the guidance of a display, the visual device is timely pulled out, finally the inflatable air bag 1 is inflated, the drainage channel 3 is connected to the sputum suction device, and the air pipe 2 is connected to the breathing machine.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A multifunctional disposable laryngeal mask comprises a drainage channel (3), an aeration pipe (2), an inflatable air bag (1) and a visual device, the top of the inflatable air bag (1) is provided with a ventilation connecting cover (11), the drainage channel (3) and the vent pipe (2) are respectively communicated with the ventilation connecting cover (11), the inside of the breather pipe (2) is provided with a temperature measuring device (5), the inflatable air bag (1) is provided with a drainage hole (12) and an inflation hole (13), the drainage channel (3) penetrates through the inflatable air bag (1) and is communicated with the drainage hole (12), it is characterized in that the visual device and the vent pipe (2) are separated, the visual device is sleeved in the vent pipe (2), the visual device comprises a shaping visual conduit, a camera head is arranged at one end of the shaping visual conduit, and a limiting piece is arranged at the other end of the shaping visual conduit.

2. A multifunctional disposable laryngeal mask according to claim 1, characterised in that the inflatable balloon (1) is oval-shaped.

3. A multifunctional disposable laryngeal mask according to claim 1, characterised in that the temperature measuring device (5) comprises a temperature probe (51), which temperature probe (51) is arranged inside the ventilation connection mask (11).

4. A multifunctional disposable laryngeal mask according to claim 1, characterised in that the inflation hole (13) is connected to an inflation tube (6).

5. A multifunctional disposable laryngeal mask according to claim 4, characterised in that the inflation tube (6) is connected to an inflation device.

6. A multifunctional disposable laryngeal mask according to claim 1, characterised in that the drainage channel (3) and the ventilation tube (2) are connected with a tube clamp (7).

7. A multifunctional disposable laryngeal mask according to claim 1, characterised in that a guide (14) is arranged inside the ventilation connection mask (11).

8. The multifunctional disposable laryngeal mask according to claim 7, characterised in that the guide base (14) is provided with an arc-shaped slot (141), the first extension (141a) of the arc-shaped slot (141) coincides with the axis of the ventilation tube (2), and the second extension (141b) of the arc-shaped slot (141) coincides with the opening of the inflatable balloon (1).