Anesthesia mask capable of relieving pressure

Abstract

The utility model discloses an anesthesia mask capable of relieving pressure, and relates to the technical field of medical instruments. A main fixing bandage is fixedly connected to the outer portion of the left side of the breathing mask, an auxiliary fixing bandage is fixedly connected to the outer wall of the right side of the breathing mask, and the ends, away from the breathing mask, of the auxiliary fixing bandage and the main fixing bandage are connected through inserting buckles. A pressure relief hole is formed in the side wall of the breathing mask, and a pressure relief mechanism is arranged above the pressure relief hole. According to the device, the pressure relief hole is formed in the breathing mask, so that pressure relief is achieved, meanwhile, the pressure relief mechanism is arranged above the pressure relief hole, discomfort or injury to a patient caused by too high pressure in the mask can be effectively prevented, when pressure relief is not needed, the pressure relief hole is blocked through the pressure relief mechanism, oxygen or anesthetic is prevented from overflowing, and the safety of the patient is improved. The position of the breathing mask is fixed through cooperation of the main fixing bandage, the auxiliary fixing bandage, the limiting bandage and the two connecting bandages.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially relates to a face mask for anesthesia with pressure relief. BACKGROUND

[0002] In clinical practice, when a patient is subjected to a major operation, the patient needs to be anesthetized in advance to alleviate the pain. Inhalation anesthesia is a common anesthesia method in medical treatment. When a patient is subjected to inhalation anesthesia, an anesthesia mask needs to be used. Since the internal space of the mask is relatively closed, when the flow of anesthetic gas or oxygen is too large, the internal pressure of the mask may rapidly increase, causing discomfort to the patient and even causing potential safety hazards. Therefore, it is necessary to provide an anesthesia mask with good fixing effect.

[0003] In the patent with the publication number CN207506837U, a novel hospital clinical anesthesia mask device is disclosed. The novel hospital clinical anesthesia mask device is provided with a cover body, two air inlets installed on both sides of the cover body through threads, a rope belt connected to the ends of both sides of the cover body, and a capsule opening tightly combined with the end of the cover body through a sealing ring and a groove. The capsule opening can well fit the face of the patient, and the fixation is more secure through the rope belt. The two air inlets are provided to make the range of adjusting the air intake larger and more conducive to the operation.

[0004] In the above-mentioned patent, the size of the air inlet is adjusted through the two air inlets and the adjusting valve on the air inlet. The size of the air intake is adjusted by adjusting the air intake. The device is also provided with an air outlet. The air outlet is of a fixed shape and size and does not have a corresponding adjusting structure. This open-type air outlet causes the mask to have insufficient sealing, which easily leads to a large amount of anesthetic gas or oxygen overflowing, causing resource waste and possibly causing the pressure in the mask to be unbalanced, affecting the use effect of the breathing machine. Therefore, the present application proposes a face mask for anesthesia with pressure relief to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a face mask for anesthesia with pressure relief, which solves the technical problems proposed in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a face mask for anesthesia with pressure relief, comprising a breathing mask, a main fixing bandage fixedly connected to the left side of the breathing mask, a vice fixing bandage fixedly connected to the right side of the breathing mask, the ends of the vice fixing bandage and the main fixing bandage away from the breathing mask being connected through plug-in buckles, a gas guide pipe fixedly connected to the upper end of the breathing mask, the gas guide pipe being connected to a breathing auxiliary device outside, a pressure relief hole being formed in the side wall of the breathing mask, and a pressure relief mechanism being arranged above the pressure relief hole.

[0007] The pressure relief mechanism comprises a breather pipe and a sliding cylinder, the breather pipe is fixed on the outer side wall of the breathing mask and communicates with the pressure relief hole, the lower end of the sliding cylinder is provided with an opening, the upper end of the breather pipe extends into the sliding cylinder and is slidably connected with the sliding cylinder through a limiting sliding groove, the side wall of the sliding cylinder is provided with a breather hole, an adjusting external thread rod is fixedly connected to the upper end of the sliding cylinder, an adjusting plate is threadedly connected to the adjusting external thread rod, a fixing ring is rotatably connected to the outer side wall of the breather pipe, a sealing spring is sleeved outside the sliding cylinder, the lower end of the sealing spring is fixedly connected to the upper end of the fixing ring, and the upper end of the sealing spring is fixedly connected to the lower end of the adjusting plate.

[0008] Preferably, the upper inner wall of the sliding cylinder is fixedly connected with a sealing gasket, and the lower end of the sealing gasket abuts against the upper end of the breather pipe.

[0009] Preferably, the front side of the breathing mask is further provided with a limiting bandage, the left and right ends of the limiting bandage are fixedly connected with the left and right outer walls of the breathing mask respectively, and the limiting bandage is an elastic bandage.

[0010] Preferably, the main fixing bandage and the auxiliary fixing bandage are made of silica gel material.

[0011] Preferably, the left and right sides of the limiting bandage are fixedly connected with connecting bandages respectively, and the ends, away from the limiting bandage, of the two connecting bandages are fixedly connected with the side walls of the main fixing bandage and the auxiliary fixing bandage respectively.

[0012] Preferably, the lower end of the breathing mask is provided with a contact sealing ring, and the contact sealing ring is provided in a hollow structure.

[0013] Compared with the related art, the anesthesia mask provided by the utility model has the following beneficial effects:

[0014] 1、the utility model provides a anesthesia mask of pressure relief, through setting up pressure relief hole on breathing mask in this device, thereby realizes pressure relief, simultaneously setting up pressure relief mechanism above pressure relief hole can effectively prevent the patient from being caused by the discomfort or harm of mask internal pressure is too high, simultaneously device in pressure relief mechanism can adjust the elasticity of sealing spring through setting up adjusting plate and adjusting external thread rod cooperation, when adjusting plate removes to the side away from breathing mask, stretches sealing spring, increases the force between breather pipe and sliding cylinder, and then increases the pressure required for pressure relief, when adjusting plate removes to the side close to breathing mask, sealing spring gradually restores natural state, reduces the force between breather pipe and sliding cylinder, and then reduces the pressure required for pressure relief, thereby in reducing leakage quantity again ensures that the patient breathes smoothly.

[0015] 2, the utility model provides a pressure relief's anesthesia face guard, the position fixation of breathing face guard is realized to the cooperation of main fixed bandage, auxiliary fixed bandage, limiting bandage and two connecting bandages in this device, when using, the limiting bandage is located below the chin of the patient, two connecting bandages are located behind the ear of the patient, the main fixed bandage is sleeved on the head of the patient, the main fixed bandage is placed at the lowest position as far as possible under the condition of not lifting the head of the patient, and the fixing of the whole device is realized in cooperation with auxiliary fixed bandage, and the head of the patient does not need to be moved when using and removing, avoid the adverse effect of bringing to the patient of neck or head position. Limiting bandage adopts elastic bandage, can adapt to the facial profile of different patients, reduces the oppression of face guard to the face of the patient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is another angle three-dimensional structure schematic diagram of the utility model;

[0018] Figure 3 It is the position three-dimensional structure schematic diagram of pressure relief mechanism of the utility model;

[0019] Figure 4 It is the section three-dimensional structure schematic diagram of pressure relief mechanism of the utility model.

[0020] In the drawing: 1, breathing face guard;2, air guide pipe;3, main fixed bandage;4, limiting bandage;5, auxiliary fixed bandage;6, connecting bandage;7, pressure relief mechanism;8, contact sealing ring;9, pressure relief hole;10, air pipe;11, sliding cylinder;12, air hole;13, fixed ring;14, sealing spring;15, adjusting external thread rod;16, adjusting plate;17, sealing pad. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: anesthetic face mask with pressure relief, including breathing mask 1, the left side outside fixed connection of breathing mask 1 has main fixed bandage 3, the right side outer wall fixed connection of breathing mask 1 has auxiliary fixed bandage 5, and the one end of auxiliary fixed bandage 5 and main fixed bandage 3 away from breathing mask 1 adopts the insertion buckle connection, and the upper end fixed connection of breathing mask 1 has gas tube 2, and gas tube 2 outside connection breathing auxiliary device, and the side wall of breathing mask 1 is equipped with pressure relief hole 9, and the upper portion of pressure relief hole 9 is provided with pressure relief mechanism 7,

[0023] Pressure relief mechanism 7 includes vent pipe 10 and sliding cylinder 11, and vent pipe 10 is fixed on the outer side wall of breathing mask 1 and communicates with pressure relief hole 9, and sliding cylinder 11 is provided with an opening at the lower end, and the upper end of vent pipe 10 extends into sliding cylinder 11 and is slidably connected with sliding cylinder 11 through a limiting sliding groove, and a vent hole 12 is formed in the side wall of sliding cylinder 11, and an adjusting external threaded rod 15 is fixedly connected to the upper end of sliding cylinder 11, and an adjusting plate 16 is threadedly connected to the adjusting external threaded rod 15, and a fixed ring 13 is rotatably connected to the outer side wall of vent pipe 10, and a sealing spring 14 is sleeved outside sliding cylinder 11, and the lower end of sealing spring 14 is fixedly connected to the upper end of fixed ring 13, and the upper end of sealing spring 14 is fixedly connected to the lower end of adjusting plate 16.

[0024] By adjusting the cooperation of adjusting plate 16 and adjusting external threaded rod 15, the elastic force of sealing spring 14 can be adjusted, when adjusting plate 16 moves away from breathing mask 1, sealing spring 14 is stretched, the acting force between vent pipe 10 and sliding cylinder 11 is increased, and the required pressure for pressure relief is increased, when adjusting plate 16 moves towards breathing mask 1, sealing spring 14 gradually returns to the natural state, the acting force between vent pipe 10 and sliding cylinder 11 is reduced, and the required pressure for pressure relief is reduced, so that the leakage is reduced while ensuring smooth breathing of the patient.

[0025] A sealing gasket 17 is fixedly connected to the upper inner wall of sliding cylinder 11, and the lower end of sealing gasket 17 abuts against the upper end of vent pipe 10, when the pressure inside breathing mask 1 meets the requirements, the upper end of vent pipe 10 ensures the sealing property of pressure relief mechanism 7 by contacting with sealing gasket 17, so that the leakage is reduced, and the waste of resources caused by excessive leakage of anesthetic drugs or oxygen is avoided.

[0026] A limiting bandage 4 is further arranged on the front side of breathing mask 1, and the left and right ends of limiting bandage 4 are fixedly connected to the left and right outer walls of breathing mask 1, respectively, limiting bandage 4 is made of elastic bandage, and limiting bandage 4 can adapt to the face contours of different patients.

[0027] The main fixing bandage 3 and the auxiliary fixing bandage 5 are made of silica gel material, through the setting of the silica gel material, the friction between the main fixing bandage 3 and the auxiliary fixing bandage 5 and the head of the patient is improved, the slipping is avoided, and meanwhile, the elasticity of the silica gel is utilized to ensure that the device can adapt to patients with different head sizes;

[0028] The left and right sides of the limiting bandage 4 are fixedly connected with connecting bandages 6, the ends of the two connecting bandages 6 away from the limiting bandage 4 are fixedly connected with the side walls of the main fixing bandage 3 and the auxiliary fixing bandage 5 respectively, in use, the limiting bandage 4 is placed below the patient, and the overall position of the device is fixed through the cooperation of the two connecting bandages 6 and the main fixing bandage 3 and the auxiliary fixing bandage 5;

[0029] The lower end of the breathing mask 1 is provided with a contact sealing ring 8, the contact sealing ring 8 is provided in a hollow structure, the contact sealing ring 8 is made of soft material, and the hollow structure of the contact sealing ring 8 enables the lower end of the breathing mask 1 to be closely combined with the skin of the patient, and the comfort of the patient is improved.

[0030] Working principle: in use, the limiting bandage 4 is located below the chin of the patient, the two connecting bandages 6 are located behind the ears of the patient, the main fixing bandage 3 is sleeved on the head of the patient, the main fixing bandage 3 is placed at the lowest position as far as possible without lifting the head of the patient, and the overall fixation of the device is realized in cooperation with the auxiliary fixing bandage 5, the patient's head does not need to be moved during use and removal, and the adverse effects on the patient's neck or head position are avoided. The main fixing bandage 3 and the auxiliary fixing bandage 5 made of silica gel material improve the friction between the device and the head of the patient, and the slipping is avoided; the limiting bandage 4 is made of an elastic bandage, and the contact sealing ring 8 designed in a hollow structure below the breathing mask 1 can adapt to the facial contours of different patients and reduce the compression of the mask on the face of the patient; the breathing auxiliary device is connected to the outside of the air guide pipe 2, oxygen and anesthetic drugs enter through the air guide pipe 2, a pressure relief hole 9 is arranged on the breathing mask 1 in the device, so that pressure relief is realized, a pressure relief mechanism 7 is arranged above the pressure relief hole 9, the discomfort or injury of the patient caused by the high internal pressure of the mask can be effectively prevented, and meanwhile, the cooperation of the adjusting plate 16 and the adjusting external threaded rod 15 in the pressure relief mechanism 7 can adjust the elastic force of the sealing spring 14, when the adjusting plate 16 moves away from the breathing mask 1, the sealing spring 14 is stretched, the acting force between the air pipe 10 and the sliding cylinder 11 is increased, and then the required pressure for pressure relief is increased; when the adjusting plate 16 moves towards the breathing mask 1, the sealing spring 14 gradually returns to the natural state, the acting force between the air pipe 10 and the sliding cylinder 11 is reduced, and then the required pressure for pressure relief is reduced, so that the leakage amount is reduced while ensuring smooth breathing of the patient.

Claims

1. A pressure-relievable anaesthetic mask comprising a breathing mask (1), characterised in that: The left side of the breathing mask (1) is fixedly connected with a main fixing bandage (3), the right side of the breathing mask (1) is fixedly connected with a secondary fixing bandage (5), the secondary fixing bandage (5) and the main fixing bandage (3) are connected by inserting buckles away from the breathing mask (1), the upper end of the breathing mask (1) is fixedly connected with an airway (2), the airway (2) is connected with a breathing auxiliary device outside, a pressure relief hole (9) is arranged on the side wall of the breathing mask (1), and a pressure relief mechanism (7) is arranged above the pressure relief hole (9). The pressure relief mechanism (7) comprises a ventilation pipe (10) and a sliding cylinder (11), the ventilation pipe (10) is fixed on the outer side wall of the breathing mask (1) and communicates with the pressure relief hole (9), the lower end of the sliding cylinder (11) is provided with an opening, the upper end of the ventilation pipe (10) extends into the sliding cylinder (11) and is slidably connected with the sliding cylinder (11) through a limiting sliding groove, a ventilation hole (12) is arranged on the side wall of the sliding cylinder (11), an adjusting external threaded rod (15) is fixedly connected to the upper end of the sliding cylinder (11), an adjusting plate (16) is threadedly connected to the adjusting external threaded rod (15), a fixing ring (13) is rotatably connected to the outer side wall of the ventilation pipe (10), a sealing spring (14) is sleeved outside the sliding cylinder (11), the lower end of the sealing spring (14) is fixedly connected with the upper end of the fixing ring (13), and the upper end of the sealing spring (14) is fixedly connected with the lower end of the adjusting plate (16).

2. A pressure releasable anaesthetic mask according to claim 1 wherein: The upper inner wall of the sliding cylinder (11) is fixedly connected with a sealing gasket (17), and the lower end of the sealing gasket (17) abuts against the upper end of the ventilation pipe (10).

3. A pressure-relievable anaesthetic mask according to claim 1, characterised in that: The front side of the breathing mask (1) is further provided with a limiting bandage (4), the left and right ends of the limiting bandage (4) are fixedly connected with the left and right outer walls of the breathing mask (1), and the limiting bandage (4) is an elastic bandage.

4. A pressure-relievable anesthetic mask according to claim 1, wherein: The main fixing bandage (3) and the secondary fixing bandage (5) are made of silica gel material.

5. A pressure-relievable anaesthetic mask according to claim 3, wherein: The left and right sides of the limiting bandage (4) are fixedly connected with connecting bandages (6), and the left and right ends of the connecting bandages (6) are fixedly connected with the side walls of the main fixing bandage (3) and the secondary fixing bandage (5) away from the limiting bandage (4).

6. A pressure-relievable anesthetic mask according to claim 1, wherein: The lower end of the breathing mask (1) is provided with a contact sealing ring (8), and the contact sealing ring (8) is provided in a hollow structure.

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