Positive pressure ventilation mask of noninvasive ventilator

Abstract

The utility model discloses a positive pressure ventilation mask of a noninvasive ventilator, which comprises a mask body, the front end of the mask body is provided with an inspiration channel and an expiration channel, a water storage box is arranged above the inspiration channel, the water storage box is communicated with a conduit inside the mask body through an infusion tube, one end of the conduit is provided with a suction nozzle, and the other end of the conduit is provided with an air outlet. A silica gel sealing part is arranged at the rear end of the mask body, and the inspiration channel is connected with a pipeline matched with a breathing machine. By means of the water storage box and the infusion tube system, continuous humidification can be provided for a patient, dryness of the oral cavity is effectively relieved, and a safer and more comfortable breathing support solution is provided for the patient by means of the unique humidification system and improvement of the expiration channel.

Description

Technical Field

[0001] The utility model relates to the field of medical rehabilitation equipment, in particular to a positive pressure ventilation mask of a non-invasive ventilator. Background Art

[0002] The non-invasive ventilator positive pressure ventilation mask is a medical device used for non-invasive positive pressure ventilation (NIPPV). It does not require endotracheal intubation or tracheotomy to establish an artificial airway, but connects the patient to the ventilator through a nasal mask, oral and nasal mask, full-face mask or head mask for positive pressure assisted ventilation. This technology has been widely studied and practiced in the past 30 years, proving its effectiveness in improving patient survival rates, avoiding complications caused by invasive mechanical ventilation, and reducing treatment costs. In addition, because it is easy to implement and accepted by patients, it has become the preferred means of ventilation support in the early stage of pathological and physiological states such as respiratory failure and in emergency situations.

[0003] When the masks currently used clinically are worn, the patient's mouth and nose are usually covered in the mask cavity, causing the patient's esophagus and airway to be in the same space. Since the air pressure in the mask cavity is controlled by the ventilator, during the long-term wearing of the mask by the patient, the air pressure in the mask cavity is controlled by the ventilator, which is not conducive to the natural humidification and drainage process of the respiratory tract, and can easily cause dryness of the patient's oropharynx, causing discomfort to the patient.

[0004] Therefore, there is an urgent need to design a non-invasive ventilator positive pressure ventilation mask that can relieve oral dryness to solve the above problems, so as to improve the patient's wearing comfort and treatment acceptance. Utility Model Content

[0005] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide an improved non-invasive ventilator positive pressure ventilation mask, which can more effectively relieve oral dryness and improve the patient's comfort and treatment acceptance.

[0006] The technical solution adopted by the utility model to solve the above-mentioned problem is: a non-invasive ventilator positive pressure ventilation mask, including a mask body, an inhalation channel and an exhalation channel are arranged at the front end of the mask body, a water storage box is arranged above the inhalation channel, the water storage box is connected with the catheter inside the mask body through an infusion tube, a suction nozzle is arranged at one end of the catheter, a silicone sealing part is arranged at the rear end of the mask body, and the inhalation channel is connected with a pipeline adapted to the ventilator.

[0007] Preferably: a transparent sealing portion is provided at the front end of the mask body, a mouth and a nose are provided in the cavity of the transparent sealing portion, the mouth protrudes outward relative to the nose, and a partition plate is provided at the connection between the mouth and the nose, and the suction nozzle is provided below the partition plate.

[0008] Preferably, a regulating valve and a regulating knob thereof are arranged outside the water storage box, one end of the regulating valve is connected to the infusion tube outside the mask body, and the other end is connected to the catheter inside the mask body.

[0009] Preferably, the water storage box is provided with a liquid inlet joint, and the liquid inlet joint is connected to the inner cavity of the water storage box.

[0010] Preferably, the mask body is connected to an adapter with a fixing belt via a locking buckle, and a Velcro length adjustment structure is provided at the end where the fixing belt and the locking buckle are connected.

[0011] Preferably: the fixing strap comprises a head strap and a neck strap, the head strap is fixed to the rear end of the mask body by three sets of buckles, the neck strap is fixed to the rear end of the mask body by two sets of buckles, and the head strap is located above the neck strap.

[0012] Preferably: the mask body is provided with two groups of exhalation channels, a filter is provided at the opening of the exhalation channel on one side, the filter is installed and fixed by a filter cover, the filter cover is provided with air holes distributed in a circumferential array, the exhalation channel on the other side is snap-fitted with a connector, one end of the connector is connected to an exhalation valve, a deformable diaphragm is provided in the exhalation valve, the deformable diaphragm is provided with an air leakage hole, and a reinforcement strip is provided on the outer edge of the deformable diaphragm, an end cover for fixing the reinforcement strip is provided on the outer side of the breathing valve, and the end cover is provided with multiple groups of strip-shaped through holes.

[0013] Preferably: the exhalation valve is plug-in-adapted with an activated carbon adsorption block.

[0014] Preferably, the conduit and the nozzle are integrally formed.

[0015] Compared with the prior art, the utility model has the following advantages and effects:

[0016] The utility model can provide continuous humidification for patients and effectively relieve dry mouth through the water storage box and infusion tube system. The mask body adopts the design of silicone sealing part and transparent sealing part, which improves the sealing of the mask, reduces air leakage, and increases the stability of treatment. The double exhalation channel design of the mask, including activated carbon adsorption blocks and filters, improves the cleanliness of exhaled gas, can effectively avoid cross contamination between doctors and patients, and realize the safety and hygiene of the medical environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1-2 The utility model is a three-dimensional structural schematic diagram of a positive pressure ventilation mask of a non-invasive ventilator according to an embodiment of the present invention.

[0018] Figure 3 It is a partially enlarged schematic diagram of a positive pressure ventilation mask of a non-invasive ventilator according to an embodiment of the utility model.

[0019] Figure 4The utility model is a schematic diagram of the internal structure of a positive pressure ventilation mask of a non-invasive ventilator according to an embodiment of the present invention.

[0020] Figure 5 It is a structural schematic diagram of the exhalation channel of an embodiment of the utility model.

[0021] Figure 6 It is a structural schematic diagram of an exhalation valve according to an embodiment of the utility model.

[0022] Figure numbers: mask body 1, transparent sealing part 101, silicone sealing part 102, mouth 103, nose 104, partition 105, inhalation channel 2, exhalation channel 3, filter 301, filter cover 302, air vent 303, water storage box 4, regulating valve 401, regulating knob 402, liquid inlet connector 403, infusion tube 404, catheter 5, suction nozzle 6, pipeline 7, locking buckle 8, fixing strap 9, head strap 901, neck strap 902, Velcro 903, connector 10, exhalation valve 11, deformable diaphragm 1101, air vent 1102, reinforcement strip 1103, end cap 1104, long through hole 1105, activated carbon adsorption block 1106. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0024] See also Figure 1 - Figure 6 In this embodiment, a non-invasive ventilator positive pressure ventilation mask is provided, which is specifically used to provide stable respiratory support for patients, while reducing oral dryness and improving comfort. Specifically comprising: a mask body 1, the front end of the mask body 1 is provided with an inhalation channel 2 and an exhalation channel 3, the upper part of the inhalation channel 2 is provided with a water storage box 4, the water storage box 4 is connected to the conduit 5 inside the mask body 1 through an infusion tube 404, one end of the conduit 5 is provided with a nozzle 6, the rear end of the mask body 1 is provided with a silicone sealing part 102, and the inhalation channel 2 is connected with a pipeline 7 adapted to the ventilator.

[0025] Specifically, in this embodiment, the inhalation channel 2 is connected and adapted to the ventilator through the pipeline 7, and the medical staff fixes the mask body 1 to the patient's head. The patient realizes the breathing cycle through the inhalation channel 2 and the exhalation channel 3. The water storage box 4 is connected to the upper part of the inhalation channel 2 through the threaded fastener. Drinking water is stored in the water storage box 4. When the patient's oropharynx is dry, the mouth holds the catheter 5 and sucks the suction nozzle 6, so that the pure water is transported from the water storage box 4 through the infusion tube 404, the catheter 5, and finally through the suction nozzle 6 to the patient's oral cavity. The patient can suck water directly through the suction nozzle 6 without taking off the mask. This design simplifies the process of water replenishment, so that the patient can replenish water immediately when wearing the mask to relieve oropharyngeal dryness. In the process of replenishing water, the air pressure inside and outside the water storage box 4 needs to be consistent, and the pressure balance hole (a small hole is set on the water storage box 4 to allow air to enter and exit to balance the internal and external pressures. This hole can be equipped with a tiny filter to prevent pollutants from entering the water storage box 4, not shown in the figure) can be used to achieve the balance of the internal and external air pressures of the water storage box 4. The mask body 1 of this embodiment is connected to the patient through the silicone sealing part 102, which fits tightly to the patient's face, ensuring the seal between the mask body 1 and the patient's face and reducing air leakage. In addition, due to the softness of the silicone sealing part 102, the comfort and acceptance of the patient when wearing it are also improved.

[0026] The front end of the mask body 1 is provided with a transparent sealing portion 101, and a mouth 103 and a nose 104 are provided in the cavity of the transparent sealing portion 101. The mouth 103 protrudes outward relative to the nose 104, and a partition plate 105 is provided at the connection between the mouth 103 and the nose 104, and the nozzle 6 is provided below the partition plate 105. By providing the transparent sealing portion 101 at the front end of the mask body 1, medical staff can clearly observe the mouth and nose 104 of the patient, which is convenient for monitoring the patient's breathing state and timely discovering abnormal conditions. At the same time, when wearing the mask, the patient's vision will not be completely blocked, which reduces the patient's fear (claustrophobia) and improves the acceptance of the mask.

[0027] The outside of the water storage box 4 is provided with a regulating valve 401 and its regulating knob 402. One end of the regulating valve 401 is connected to the infusion tube 404 outside the mask body 1, and the other end is connected to the catheter 5 inside the mask body 1. The regulating valve 401 can accurately control the size of the water flow in the infusion tube 404 by turning the knob, so that the patient can adjust the rate of water replenishment as needed. The patient or medical staff can easily operate the knob to turn on or off the water flow, making the water replenishment process more convenient and efficient. After the water is replenished, the regulating valve 401 can be closed immediately to prevent excessive water from entering, ensuring the safety of the patient's use. At the same time, it can avoid the impact of the internal pressure of the mask due to sudden changes in the water flow to maintain the stability of the entire respiratory support system.

[0028] The water storage box 4 is provided with a liquid inlet connector 403, and the liquid inlet connector 403 is in communication with the inner cavity of the water storage box 4. In this embodiment, water can be replenished into the water storage box 4 in real time through the infusion set or syringe through the liquid inlet connector 403. Medical staff can replenish water into the water storage box 4 in real time according to the needs of the patient to ensure the timely replenishment of water for the patient. Through the liquid inlet connector 403, medical staff can quickly and conveniently replenish water without removing the mask or interrupting the patient's breathing support.

[0029] The mask body 1 is connected to the fixing belt 9 through the locking buckle 8, and the end of the fixing belt 9 connected to the locking buckle 8 is provided with a length adjustment structure of Velcro 903. Velcro 903 is used as the length adjustment structure, so that medical staff can adjust the length of the fixing belt 9 according to the size and shape of the patient's head, providing better personalized adaptation and comfort. The design of Velcro 903 makes the assembly and disassembly of the mask body 1 easier, which is convenient for medical staff or patients to quickly replace or adjust when using it.

[0030] The fixing strap 9 includes a head strap 901 and a neck strap 902. The head strap 901 is fixed to the rear end of the mask body 1 by three sets of buckles, and the neck strap 902 is fixed to the rear end of the mask body 1 by two sets of buckles, and the head strap 901 is located above the neck strap 902. The head strap 901 is fixed to the rear end of the mask body 1 by three sets of buckles, and the neck strap 902 is fixed by two sets of buckles, which provides more fixing points and increases the stability and safety of the mask. The design of the head strap 901 being located above the neck strap 902 helps to disperse the weight and pressure of the mask, reduce the pressure on any part, and improve the wearing comfort.

[0031] The mask body 1 is provided with two groups of exhalation channels 3, and a filter 301 is provided at the opening of the exhalation channel 3 on one side, and the filter 301 is fixed by a filter cover 302, and the filter cover 302 is provided with air holes 303 distributed in a circumferential array, and the exhalation channel 3 on the other side is snap-fitted with a connector 10, and one end of the connector 10 is connected to an exhalation valve 11, and a deformable diaphragm 1101 is provided in the exhalation valve 11, and the deformable diaphragm 1101 is provided with a vent hole 1102, and a reinforcement strip 1103 is provided on the outer edge of the deformable diaphragm 1101, and an end cap 1104 for fixing the reinforcement strip 1103 is provided on the outer side of the breathing valve, and the end cap 1104 is provided with multiple groups of bar-shaped through holes. The filter 301 (medical-grade H13HEPA filter 301 can be used) can effectively filter out particulate matter (dust and microorganisms) in the exhaled gas and reduce pollution to the environment. In the exhalation valve 11 of this embodiment, a plurality of reinforcement strips 1103 are arranged in the interior. The reinforcement strips 1103 are arc-shaped in appearance, one side of which covers the edge of the deformable diaphragm 1101 and the other side contacts the end of the connector 10 to prevent the deformable diaphragm 1101 from falling off under the action of air pressure.

[0032] The exhalation valve 11 is plugged and adapted with an activated carbon adsorption block 1106. The activated carbon adsorption block 1106 can reduce pollutants in the exhaled gas by adsorbing particulate matter in the gas. The activated carbon adsorption block 1106 helps protect the health of patients and medical staff and improve the quality of the surrounding air, which is particularly important for the medical environment.

[0033] The catheter 5 and the suction nozzle 6 are integrally formed. The catheter 5 and the suction nozzle 6 of this embodiment are injection molded by a special injection mold. The catheter 5 and the suction nozzle 6 are integrally formed to improve the stability and durability of the overall structure, reduce the risk of the suction nozzle 6 falling off and being swallowed accidentally due to loose or damaged interfaces, and provide patients with a more comfortable use experience.

[0034] The above contents described in this specification are merely examples of the present utility model. Those skilled in the art of the present utility model may make various modifications or additions to the specific embodiments described, or replace them in similar ways, as long as they do not deviate from the contents of the present utility model specification or exceed the scope defined in the claims, they shall all fall within the protection scope of the present utility model.

Claims

1. A non-invasive ventilator positive pressure ventilation mask, characterized in that: It comprises a mask body, wherein the front end of the mask body is provided with an inhalation channel and an exhalation channel, a water storage box is provided above the inhalation channel, the water storage box is connected with a conduit inside the mask body through an infusion tube, a nozzle is provided at one end of the conduit, a silicone sealing part is provided at the rear end of the mask body, and the inhalation channel is connected with a pipeline adapted to a ventilator; The front end of the mask body is provided with a transparent sealing part, a mouth and a nose are provided in the cavity of the transparent sealing part, the mouth protrudes outward relative to the nose, and a partition plate is provided at the connection between the mouth and the nose, and the suction nozzle is provided below the partition plate; A regulating valve and its regulating knob are arranged outside the water storage box, one end of the regulating valve is connected to the infusion tube outside the mask body, and the other end is connected to the catheter inside the mask body; The water storage box is provided with a liquid inlet joint, which is in communication with the inner cavity of the water storage box; The mask body is connected to a fixing belt via a locking buckle, and a Velcro length adjustment structure is provided at the end where the fixing belt and the locking buckle are connected; The fixing strap comprises a head strap and a neck strap, the head strap is fixed to the rear end of the mask body by three sets of buckles, the neck strap is fixed to the rear end of the mask body by two sets of buckles, and the head strap is located above the neck strap; The mask body is provided with two groups of exhalation channels, a filter screen is provided at the opening of the exhalation channel on one side, the filter screen is fixed by a filter cover, the filter cover is provided with air holes distributed in a circumferential array, the exhalation channel on the other side is clamped and adapted with a connector, one end of the connector is connected to an exhalation valve, a deformable diaphragm is provided in the exhalation valve, the deformable diaphragm is provided with an air release hole, and a reinforcement strip is provided on the outer edge of the deformable diaphragm, an end cover for fixing the reinforcement strip is provided on the outer side of the breathing valve, and the end cover is provided with multiple groups of strip-shaped through holes; The exhalation valve is plugged in and adapted to have an activated carbon adsorption block; The conduit and the suction nozzle are integrally formed.

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