Head-mounted device for preventing patient from opening mouth to breathe

Abstract

The utility model discloses an anti-patient mouth breathing head wearing device, including mask main part, also including fixed part and sealing module, the fixed part is detachably connected with the mask main part, the mask main part passes through the fixed part and is provided on patient's face, the fixed part includes chin support, the chin support that closes patient's mouth bypasses the patient's chin and is connected with fixed part, and the sealing module is connected with the fixed part. The position and tightness of the chin support can be controlled and adjusted, the sealing module for sealing the contact air leakage point of the mask body and the face of the patient is detachably arranged on the mask body, and the position of the sealing module and the distance between the sealing module and the face of the patient can be controlled and adjusted. The mask has the advantages that the mask body is fixed to the face of a patient through the fixing part, force is applied to the jaw of the patient through the jaw support, the mouth of the patient is closed, and the patient is prevented from opening the mouth to breathe; the sealing module is used for sealing the air leakage position, the problem that air leakage is prone to occurring due to the fact that the mask cannot be well attached to the face of the patient is solved, the sealing module is detachable and adjustable in position, and the mask is suitable for different patients, convenient to use and high in universality.

Description

TECHNICAL FIELD

[0001] The utility model relates to a head-wearing device for preventing patients from breathing with their mouths open. BACKGROUND

[0002] The non-invasive breathing mask is mainly used for improving the ventilation of patients with breathing difficulties, and it adopts a non-invasive mode to provide positive pressure ventilation or auxiliary breathing support by closely combining the mask with the oral and nasal parts of the patient. The non-invasive breathing mask has remarkable effects in treating respiratory diseases, such as chronic obstructive pulmonary disease (COPD), asthma, pneumonia, etc.

[0003] When the non-invasive breathing machine mask is in use, the mouth of some critical, coma, sedation and poor systemic patients will involuntarily open. Since the digestive tract and the respiratory tract of the human body share a channel above the pharynx, some gas will enter the digestive tract through the mouth. During the non-invasive breathing support process, positive pressure ventilation may cause gastric distension, increase the intragastric pressure, and then cause the reflux and aspiration of the gastric contents. This not only causes the gas to enter the digestive tract of the patient through the mouth, resulting in gastric distension, but also increases the air leakage during the wearing of the breathing machine, which affects the non-invasive ventilation effect and causes oxygen waste.

[0004] In addition, for some elderly patients without teeth, the cheeks on both sides will be concave inward due to the loss of tooth support. When the breathing machine mask is worn, the mask cannot be well combined with the face, which increases the air leakage, reduces the air tightness, affects the non-invasive ventilation effect, and causes oxygen waste.

[0005] In Chinese patent 202022523466.3, entitled "Non-invasive breathing machine mask for preventing mouth opening", it is recorded that the mask body is provided with fixing belts on the upper and lower sides, and further comprises a 3D hollow head cover, a pair of left and right cheek wrapping belts, a pair of left and right H-shaped wrapping belts, and a lower jaw supporting belt. The left and right cheek wrapping belts are respectively connected to the fixing belts on the upper and lower sides of the mask body by a detachable structure, and the upper ends of the left and right cheek wrapping belts are respectively provided with matching magic tapes. The left and right cheek wrapping belts are connected to each other at the top of the wearer's head through the magic tapes. The bifurcated ends of the left and right H-shaped wrapping belts are respectively connected to the upper and lower ends of the same side of the cheek wrapping belt, and the other end is provided with a matching magic tape. The left and right H-shaped wrapping belts are connected to each other at the back of the wearer's head through the magic tapes. The two ends of the lower jaw supporting belt are respectively connected to the connection positions of the cheek wrapping belt and the H-shaped wrapping belt on the same side and formed into one body.

[0006] As shown in the drawings of the patent 202022523466.3, the patent mainly fixes the 3D hollow head cover, left and right cheek wrapping belts, left and right chevron wrapping belts, lower jaw support belts and cheek wrapping belts on the existing non-invasive respiratory mask, the whole device is fixed on the patient's head by the wrapping belts and the 3D hollow head cover, and the lower jaw support belts are used to exert force on the patient to close the patient's open mouth. The scheme can close the patient's mouth in structure, but the structure is relatively complex, the wearing is troublesome, and the scheme does not have the solving ability for the problem that the mask and the face cannot be well fitted. Content of the utility model

[0007] The technical problem to be solved by the utility model is that the existing non-invasive respiratory mask is used, and the patient's mouth breathing easily causes stomach discomfort, and the existing mask and part of the patient's face cannot be well fitted, which easily causes air leakage.

[0008] In view of the above technical problems, a patient mouth breathing prevention head wearing device is provided; the technical scheme is realized as follows: a patient mouth breathing prevention head wearing device, comprising a mask main body, characterized in that: further comprising a fixing part and a sealing module, the fixing part is detachably connected with the mask main body, the mask main body is arranged on the patient's face through the fixing part worn on the patient's head, the fixing part comprises a chin support, the chin support for closing the patient's mouth is connected with the fixing part by bypassing the patient's chin, the position and the tightness degree of the connection between the chin support and the fixing part are controllable and adjustable, the sealing module for sealing the air leakage point between the mask main body and the patient's face is detachably arranged on the mask main body, and the position of the sealing module on the mask main body and the distance between the sealing module and the patient's face are controllable and adjustable.

[0009] The fixing part comprises a head cover, a connecting belt and a chin support, the head cover is worn on the patient's head, the head cover is connected with the mask main body through the connecting belt, the chin support is provided with a chin support fixing belt, the chin support fixing belt is connected with the connecting belt through a T-shaped connecting buckle, the position of the chin support fixing belt on the connecting belt and the tightness degree are controllable and adjustable through the T-shaped connecting buckle, the setting of the fixing part facilitates the fixation of the mask main body on the patient's face, improves the stability of the fixation and is convenient to use.

[0010] The connecting belt comprises an upper connecting belt, a side connecting belt and a connecting ring, one end of the upper connecting belt is connected with the upper end of the mask main body, the other end is connected with the head cover, the connecting ring is connected with the head cover and one end of the side connecting belt, the side connecting belt and the connecting ring are two, the two side connecting belts and the connecting rings are located on the two sides of the mask main body, the other end of the side connecting belt is connected with one side of the mask main body, so that the multi-point fixation is set, the stability of the fixation of the mask main body is improved, and the use is convenient.

[0011] The utility model discloses a chin support fixing band is provided with magic tape on the end, and the chin support fixing band is fixed on the T-shaped connecting buckle through the magic tape, and the magic tape is convenient for adjusting the intensity of the chin support to close the mouth of the patient, is applicable to different patients and is convenient to use.

[0012] The utility model discloses a chin support fixing band is provided with magic tape on the end, and the chin support fixing band is fixed on the T-shaped connecting buckle through the magic tape, and the magic tape is convenient for adjusting the intensity of the chin support to close the mouth of the patient, is applicable to different patients and is convenient to use.

[0013] The utility model discloses a chin support fixing band is provided with magic tape on the end, and the chin support fixing band is fixed on the T-shaped connecting buckle through the magic tape, and the magic tape is convenient for adjusting the intensity of the chin support to close the mouth of the patient, is applicable to different patients and is convenient to use.

[0014] The utility model discloses a chin support fixing band is provided with magic tape on the end, and the chin support fixing band is fixed on the T-shaped connecting buckle through the magic tape, and the magic tape is convenient for adjusting the intensity of the chin support to close the mouth of the patient, is applicable to different patients and is convenient to use.

[0015] The utility model discloses a chin support fixing band is provided with magic tape on the end, and the chin support fixing band is fixed on the T-shaped connecting buckle through the magic tape, and the magic tape is convenient for adjusting the intensity of the chin support to close the mouth of the patient, is applicable to different patients and is convenient to use.

[0016] The utility model discloses a chin support fixing band is provided with magic tape on the end, and the chin support fixing band is fixed on the T-shaped connecting buckle through the magic tape, and the magic tape is convenient for adjusting the intensity of the chin support to close the mouth of the patient, is applicable to different patients and is convenient to use.

[0017] The utility model discloses a sealing module is provided with two groups on the mask main part, and the two groups of sealing modules are arranged at the both sides of the mask main part respectively, and the sealing module is arranged on the mask main part, so that the both sides of the mask main part can be sealed, the sealing points are increased, the sealing of the air leakage of various positions is suitable, the utility model is convenient to use and has high versatility.

[0018] The utility model has the beneficial effect compared with prior art:

[0019] The utility model discloses a technical scheme, utilize the fixed part that is connected with the mask main part and fix the mask main part on the face of patient, also utilize the chin support of adjustable in fixed part and exert force to the chin of patient, close the mouth of patient, prevent the patient from opening the mouth unconsciously, prevent gas from pouring into the body of patient through the mouth and cause the stomach to distend, also utilize the sealing module that sets up on the mask main part and seal the air leakage, solve the problem that the existing mask and the patient face somewhere can not be well combined and easily leak, simultaneously, the detachable and adjustable position of sealing module make the sealing module make the sealing of different patients, and the utility model is convenient to use and has high versatility. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the three-dimensional schematic diagram of the utility model;

[0021] Figure 2 It is the three-dimensional schematic diagram of fixed part;

[0022] Figure 3 It is the three-dimensional schematic diagram of T-shaped connecting buckle;

[0023] Figure 4 It is the three-dimensional schematic diagram of sealing module;

[0024] Figure 5 It is the partial sectional view of sealing module;

[0025] Figure 6 It is the explosion drawing of sealing module;

[0026] Figure 7 It is the explosion drawing of the utility model;

[0027] Explanation of reference signs: 1 - mask body, 11 - sealing ring, 12 - connecting belt fixing clamp, 2 - fixing part, 201 - head cover, 202 - connecting belt, 203 - chin support, 204 - T-shaped connecting buckle, 205 - cover connecting belt, 206 - upper connecting belt, 207 - side connecting belt, 208 - chin support fixing belt, 209 - hasp, 210 - grommet, 211 - connecting ring, 212 - magic tape, 3 - sealing module, 4 - moving assembly, 41 - sliding rail, 42 - sliding block, 44 - hinged table, 45 - hinged seat, 46 - distance adjustment plate, 5 - distance adjustment assembly, 51 - sealing gasket installation sliding block, 52 - connecting block, 53 - adjusting screw, 54 - dovetail sliding groove, 55 - dovetail sliding block, 56 - nut, 57 - adjusting screw fixing block, 58 - sealing gasket. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be described in detail below with reference to the accompanying drawings of the embodiments of the utility model. Figures 1-7 The technical solutions in the embodiments of the utility model will be described in detail below with reference to the accompanying drawings of the embodiments of the utility model. EMBODIMENT

[0029] As shown in Figure 1 and 7 , a patient mouth opening breathing head-mounted device, comprising a mask body 1, a fixing part 2 and a sealing module 3, the fixing part 2 is connected with the mask body 1, the mask body 1 is fixed on the patient's face as a whole through the fixing part 2 worn on the patient's head, the sealing module 3 is detachably arranged on the mask body 1, the position of the sealing module 3 on the mask body 1 and the distance between the sealing module 3 and the patient's face are controllable and adjustable, and the sealing module 3 can controllably seal the air leakage points where the mask body 1 and the patient's face are in close contact.

[0030] The fixing part 2 is connected with the mask body 1, and the fixing part 2 is worn on the patient's head. The main function of the fixing part 2 is to fix the mask body 1 placed on the patient's face to prevent it from shaking. In addition, the fixing part 2 is also provided with a chin support 203, which is located at the patient's chin and is connected with the connecting belt 202 on the fixing part 2 through the chin support fixing belt 208. The chin support 203 can close the patient's mouth which is unconsciously opened, thereby preventing the patient from breathing with the mouth open.

[0031] The main function of the sealing module 3 is to seal the air leakage points where the mask body 1 and the patient's face are in contact, so as to prevent air leakage from affecting the treatment effect, and also to avoid the waste of oxygen.

[0032] As shown in Figure 1 and 7 , the mask body 1 is an existing non-invasive breathing mask, which is an existing device. A sealing ring 11 made of silicone is arranged on the contact surface between the mask body 1 and the patient.

[0033] In order to facilitate the connection between the fixing part 2 and the mask body 1, a connecting belt fixing card 12 with a rectangular cross-section is provided at the upper end and both sides of the mask body 1, and a rectangular through hole is opened on the connecting belt fixing card 12. The connecting belt 202 in the fixing part 2 is connected to the mask body 1 through the connecting belt fixing card 12.

[0034] like Figure 1 、 2 As shown in , 3 and 7, the fixing part 2 includes a head hood 201, a connecting strap 202, a chin support 203, a T-shaped connecting buckle 204 and a connecting ring 211, wherein the head hood 201 is worn on the patient's head toward the back of the head, the head hood 201 is connected to the mask body 1 through the upper connecting strap 206 in the connecting strap 202, and the two ends of the head hood 201 are respectively connected to a connecting ring 211, one end of the side connecting strap 207 in the connecting strap 202 is connected to the mask body 1, and the other end is connected to the connecting ring 211, the T-shaped connecting buckle 204 is arranged on the side connecting strap 207, and the chin support 203 is connected to the T-shaped connecting buckle 204 through the chin support fixing strap 208.

[0035] The head hood 201 is a semi-arc-shaped net bag. The head hood 201 is preferably made of polyester fiber. In order to improve the connection stability of the head hood 201, a hood connecting belt 205 is provided at the edge of the head hood 201. In order to improve the connection stability, the hood connecting belt 205 is woven from nylon material. The hood connecting belt 205 and the head hood 201 are fixed together by heat pressing. The head hood 201 can be worn on the patient's head. The two ends of the hood connecting belt 205 in the head hood 201 are connected to the connecting ring 211 by heat pressing.

[0036] The connecting belt 202 includes an upper connecting belt 206 and a side connecting belt 207 . Both the upper connecting belt 206 and the side connecting belt 207 are made of nylon material. There is one upper connecting belt 206 and two side connecting belts 207 .

[0037] In order to facilitate the fixation of the mask body 1 through the head hood 201, an upper connecting strap 206 is fixed at the front end of the head hood 201 corresponding to the patient's forehead and the upper hood connecting strap 205 of the head hood 201 by heat pressing. One end of the upper connecting strap 206 is connected to the hood connecting strap 205, and the other end is fixed to the mask body 1 through the upper connecting strap fixing card 12 of the mask body 1.

[0038] In order to improve the stability of the fixation of the mask body 1, a side connecting strap 207 is fixed on each of the connecting strap fixing cards 12 on both sides of the mask body 1, and one end of the side connecting strap 207 passes through the connecting strap fixing card 12 and is connected to the mask body 1, and the other end is connected to the connecting ring 211.

[0039] The connecting ring 211 is a circular plastic ring made of PP plastic. The main function of the connecting ring 211 is to connect the head cover 201 and the side connecting band 207 together with the mask body 1 to form a three-point positioning, so as to stably fix the mask body 1 on the face of the patient. After the mask body 1 is fixed on the face of the patient, the connecting ring 211 is located at the ear of the patient, and the connecting ring 211 is sleeved on the ear of the patient, so as to further prevent the head cover 201 from moving.

[0040] As to the connecting method of the cover connecting band 205 and the side connecting band 207 with the connecting ring 211, the end portions of the cover connecting band 205 and the side connecting band 207 can be wound around the connecting ring 211, and then fixed together by means of hot pressing.

[0041] Definition: In this embodiment, the patient is taken as the basis, and the direction from the chin of the patient to the forehead is the upper end, and the reverse direction is the lower end.

[0042] The chin support 203 is an arc-shaped support pad made of silica gel, and a plurality of air holes are formed on the chin support 203 to improve comfort. The two ends of the chin support 203 are respectively connected with a chin support fixing band 208. The chin support fixing band 208 is a rectangular band woven by nylon material. A magic tape 212 is sewn on the other end of the chin support fixing band 208. One end of the magic tape 212 on the chin support fixing band 208 is connected with the side connecting band 207 through a T-shaped connecting buckle 204 arranged on the side connecting band 207.

[0043] The T-shaped connecting buckle 204 is a plastic connecting buckle made of nylon plastic. The T-shaped connecting buckle 204 includes a square buckle 209 and a sun-shaped buckle 210. The lower end of the sun-shaped buckle 210 is connected with the square buckle 209. The T-shaped connecting buckle 204 is installed on the side connecting band 207 through the sun-shaped buckle 210. The connecting method is that the side connecting band 207 is inserted into the opening on the rod side of the sun-shaped buckle 210, passes around the middle rod of the sun-shaped buckle 210, and is then taken out from the opening on the other side of the middle rod. This connecting method can adjust the position of the T-shaped connecting buckle 204 on the side connecting band 207 according to the needs, and is convenient to use.

[0044] One end of the magic tape 212 on the chin support fixing band 208 is connected with the T-shaped connecting buckle 204 through the square buckle 209 on the T-shaped connecting buckle 204, so as to fix the position of the chin support 203. The tightness of the chin support fixing band 208 can be controlled by adjusting the length of the magic tape 212, so as to close the open mouth of the patient.

[0045] Regarding the process of closing the patient's mouth with the chin support 203: when in use, first pass the chin support fixing strap 208 on one side of the chin support 203 through one of the upper mouth buckles 209 of the T-shaped connecting buckles 204, and then pass the chin support fixing strap 208 on the other side of the chin support 203 through the upper mouth buckle 209 of the other T-shaped connecting buckle 204, and then place the chin support 203 on the patient's chin, and then tighten the two chin support fixing straps 208. At this time, the chin support 203 exerts force on the patient's chin under the action of the chin support fixing straps 208 to prevent the patient's mouth from opening.

[0046] In this embodiment, in order to adjust the tightness of the connection between the upper connecting strap 206 and the side connecting strap 207 and the connecting strap fixing card 12, Velcro can be used to fix the connection between the upper connecting strap 206, the side connecting strap 207 and the connecting strap fixing card 12, that is, Velcro is set at the connection end of the upper connecting strap 206, the side connecting strap 207 and the connecting strap fixing card 12, and the end of the upper connecting strap 206 and the side connecting strap 207 with Velcro passes through the opening on the connecting strap fixing card 12, and is fixed on the connecting strap fixing card 12 after being wrapped around the connecting strap fixing card 12.

[0047] like Figure 1 、 4 As shown in Figures 5, 6 and 7, the sealing module 3 includes a moving component 4, a distance adjusting component 5, a sealing pad mounting slider 51 and a sealing pad 58. The sealing pad 58 for sealing the air leakage point of the mask body 1 is arranged on the sealing pad mounting slider 51. The distance between the sealing pad 58 and the patient's face can be adjusted by the distance adjusting component 5. The distance adjusting component 5 is installed on the mask body 1 through the moving component 4, and the distance adjusting component 5 can move along the moving component 4.

[0048] The moving component 4 includes a slide rail 41 and a slider 42. The slide rail 41 is made of plastic. The outline of the slide rail 41 fits the outer contour of the mask body 1. The slide rail 41 can be glued to the existing mask body 1 by glue, and the slider 42 can be mounted on the slide rail 41 and move freely along the slide rail 41.

[0049] When there are multiple leakage points, in order to improve the sealing performance of the leakage points, multiple sliders 42 are provided on the slide rail 41, and the multiple sliders 42 are connected to each other.

[0050] In order to facilitate the connection of multiple sliders 42, two groups of hinge seats 45 are protruding outward perpendicular to the slider 42 at one end of the outer side surface of the slider 42. The two groups of hinge seats 45 are distributed at intervals. The hinge seat 45 is "U"-shaped, and a pin connection hole is opened between the two hinge plates of the hinge seat 45.

[0051] On the other end of the slider 42, two rectangular hinged tables 44 are protruded vertically and spaced apart from the slider 42. On the surface of the hinged tables 44, hinged holes are vertically formed. The two sliders 42 can be hingedly fixed together through the cooperation between the hinged tables 44 and the hinged seats 45, and the two sliders 42 can freely rotate along the hinge, facilitating the sliding of the slider 42 along the slide rail 41.

[0052] In order to facilitate the installation of the distance adjusting assembly 5, a dovetail slider 55 is integrally fixed on the outer side of the slider 42. The connecting block 52 on the distance adjusting assembly 5 is installed on the dovetail slider 55.

[0053] In order to facilitate the adjustment of the distance between the sealing pad 58 and the patient's face, a rectangular distance adjusting plate 46 is protruded vertically on the outer side of the slider 42. An adjusting screw 53 is arranged on the distance adjusting plate 46, through which the distance between the sealing pad 58 and the patient's face can be adjusted.

[0054] As shown in Figure 4 , 5 , 6 and 7, the distance adjusting assembly 5 includes a sealing pad mounting slider 51, a connecting block 52 and a sealing pad 58. The sealing pad 58 is arranged on the sealing pad mounting slider 51, the sealing pad mounting slider 51 is connected with the connecting block 52, and the connecting block 52 is arranged on the dovetail slider 55 on the slider 42.

[0055] The sealing pad 58 is a long strip-shaped soft pad made of silica gel. The main function of the sealing pad 58 is to seal the air leakage between the face mask main body 1 and the patient's face.

[0056] The sealing pad mounting slider 51 is a rectangular plastic block. The sealing pad 58 is fixed on the sealing pad mounting slider 51 by existing hot pressing or gluing technology. On the inner side of the sealing pad mounting slider 51, a rectangular plastic block is protruded vertically. This plastic block is named as the connecting block 52. On the connecting block 52, a dovetail sliding groove 54 is vertically formed. The dovetail sliding groove 54 can cooperate with the dovetail slider 55, and the connecting block 52 can move along the dovetail slider 55.

[0057] In order to adjust the position of the sealing gasket mounting slider 51 on the slider 42, and then adjust the distance between the sealing gasket 58 and the patient's face, a nut 56 is fixed on the slider 42 away from the inner side of the distance adjusting plate 46, the adjusting screw 53 is screwed with the nut 56 through the distance adjusting plate 46, a circular screw fixing block 57 is protruded vertically on the end surface of the sealing gasket mounting slider 51, the end of the adjusting screw 53 is inserted into the screw fixing block 57, a limiting ring is protruded on the arc surface of the end of the adjusting screw 53, a limiting groove is correspondingly arranged in the screw fixing block 57, the adjusting screw 53 is fixed on the screw fixing block 57 through the cooperation of the limiting ring and the limiting groove, the adjusting screw 53 can rotate relative to the screw fixing block 57, but they will not fall off, the sealing gasket mounting slider 51 can be driven to slide along the dovetail slider 55 by rotating the adjusting screw 53, the distance between the sealing gasket 58 and the patient's face is adjusted, and the air leakage point is closed.

[0058] In order to prevent the slider 42 from moving on the slide rail 41 unintentionally during use, a fixing screw is arranged on the outer side of the slider 42, the fixing screw can contact the surface of the slide rail 41 through the slider 42, and the position of the slider 42 on the slide rail 41 can be limited by tightening the fixing screw.

[0059] In order to improve the sealing effect of the air leakage point, the sealing module 3 is arranged on both sides of the mask main body 1.

[0060] The use process of the embodiment is as follows: during use, the upper connecting belt 206 and the side connecting belt 207 are connected with the mask main body 1, the head cover 201 is worn on the patient's head, then the mask main body 1 is worn on the patient's face and the tightness of the fixing is adjusted, then the chin support 203 is placed on the patient's chin and the tightness is adjusted, then the sealing module 3 is installed on the corresponding slide rail 41 of the mask main body 1 according to the air leakage point, the slider 42 is moved to the air leakage point, the position of the slider 42 is fixed, the distance between the sealing gasket 58 and the patient's face is adjusted by using the adjusting screw 53, and the sealing gasket 58 covers the air leakage point until the air leakage point is sealed.

[0061] The above embodiments only illustrate the technical idea of the utility model, and cannot limit the protection scope of the utility model, and any modification made on the basis of the technical scheme according to the technical idea of the utility model falls within the protection scope of the utility model.

Claims

1. A head-mounted device for preventing a patient from mouth breathing, comprising a mask body (1), characterized in that: The invention also includes a fixing portion (2) and a sealing module (3), wherein the fixing portion (2) is detachably connected to the mask body (1), and the mask body (1) is arranged on the patient's face by wearing the fixing portion (2) on the patient's head, and the fixing portion (2) includes a chin support (203), and the chin support (203) for closing the patient's mouth is connected to the fixing portion (2) by bypassing the patient's chin, and the position and tightness of the connection between the chin support (203) and the fixing portion (2) are controllably adjustable, and the sealing module (3) for sealing the air leakage point between the mask body (1) and the patient's face is detachably arranged on the mask body (1), and the position of the sealing module (3) on the mask body (1) and the distance between the sealing module (3) and the patient's face are controllably adjustable.

2. The headgear device for preventing mouth breathing of a patient according to claim 1, characterized in that: The fixing portion (2) comprises a head hood (201), a connecting strap (202) and a chin support (203); the head hood (201) is worn on the patient's head; the head hood (201) is connected to the mask body (1) via the connecting strap (202); a chin support fixing strap (208) is provided on the chin support (203); the chin support fixing strap (208) is connected to the connecting strap (202) via a T-shaped connecting buckle (204); the position and tightness of the chin support fixing strap (208) on the connecting strap (202) are controllably adjustable via the T-shaped connecting buckle (204).

3. The headgear device for preventing mouth breathing of a patient according to claim 2, characterized in that: The connecting strap (202) comprises an upper connecting strap (206), a side connecting strap (207) and a connecting ring (211), wherein one end of the upper connecting strap (206) is connected to the upper end of the mask body (1), and the other end is connected to the head hood (201), and the connecting ring (211) is connected to the head hood (201) and one end of the side connecting strap (207), and there are two side connecting straps (207) and two connecting rings (211), and the two side connecting straps (207) and the connecting rings (211) are located on both sides of the mask body (1), and the other end of the side connecting strap (207) is connected to one side of the mask body (1).

4. The headgear device for preventing mouth breathing of a patient according to claim 2, characterized in that: A Velcro (212) is provided at the end of the chin support fixing strap (208), and the chin support fixing strap (208) is fixed to the T-shaped connecting buckle (204) via the Velcro (212).

5. The headgear device for preventing mouth breathing of a patient according to claim 2, characterized in that: The T-shaped connecting buckle (204) includes a mouth buckle (209) and a Japanese-shaped buckle (210), the side connecting belt (207) in the connecting belt (202) is wrapped around the vertical rod in the middle of the Japanese-shaped buckle (210) and connected to the Japanese-shaped buckle (210), and the chin support fixing belt (208) is fixed to the mouth buckle (209) by a Velcro (212).

6. The headgear device for preventing mouth breathing of a patient according to claim 1, characterized in that: The sealing module (3) comprises a moving component (4) and a distance adjustment component (5); the sealing module (3) is mounted on the mask body (1) via the moving component (4); the position of the sealing module (3) on the mask body (1) is adjusted via the moving component (4); the distance adjustment component (5) is movably connected to the moving component (4); and the distance between the sealing pad (58) in the distance adjustment component (5) and the patient's face is controllably adjusted via the distance adjustment component (5).

7. The headgear device for preventing mouth breathing of a patient according to claim 6, characterized in that: The distance adjustment component (5) includes a sealing pad mounting slider (51), a connecting block (52) and an adjusting screw (53). A sealing pad (58) for sealing the air leak is arranged on the sealing pad mounting slider (51). The sealing pad mounting slider (51) is movably connected to a dovetail slider (55) on a slider (42) in the moving component (4) through the connecting block (52). The adjusting screw (53) is arranged on the slider (42) and connected to the sealing pad mounting slider (51). The distance between the sealing pad (58) and the patient's face is controllably adjusted by the adjusting screw (53).

8. The headgear device for preventing mouth breathing of a patient according to claim 6, characterized in that: The moving assembly (4) includes a slide rail (41) and a slider (42). The slide rail (41) is arranged on the side of the mask body (1). The slider (42) is movably arranged on the slide rail (41). A hinge platform (44) and a hinge seat (45) are arranged at both ends of the slider (42).

9. The headgear device for preventing mouth breathing of a patient according to claim 8, characterized in that: A plurality of sliders (42) are provided on the slide rail (41), and the plurality of sliders (42) are connected together via a hinge platform (44) and a hinge seat (45).

10. The headgear device for preventing a patient from mouth breathing according to claim 1, characterized in that: Two groups of sealing modules (3) are provided on the mask body (1), and the two groups of sealing modules (3) are respectively provided on both sides of the mask body (1).

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