CN114288575A

CN114288575A - Medical breathing machine

Info

Publication number: CN114288575A
Application number: CN202111621789.9A
Authority: CN
Inventors: 曹佳慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2022-04-08
Also published as: CN111330173B; CN111330173A

Abstract

The invention discloses a medical breathing machine, which comprises: a neck wearing part and a mask part; the mask part is foldable, and in an unfolded state, the mask part comprises an eye protection lens part made of hard materials, a flexible mouth and nose protection part extending downwards from the eye protection lens part and a flexible upper extension part extending upwards from the eye protection lens part; the outer contour of the goggle part is larger than the overlooking outer contour of the head of a user, the two sides of the goggle part are respectively connected with a lateral extension part made of flexible materials, the upper side of the lateral extension part is connected with an upper extension part, and the lower side of the lateral extension part is connected with an oral-nasal protection part; the flexible extension part consisting of the upper extension part, the lateral extension part and the mouth and nose protection part is in a loose state or made of elastic materials; foldable brackets are respectively arranged between two sides of the goggle part and two sides of the neck wearing part; a filter assembly is mounted in the neck-wearing portion. The medical breathing machine can effectively reduce the wearing pressure of medical personnel and improve the endurance of the breathing machine.

Description

Medical breathing machine

The present application is a divisional application of an invention patent with application number 202010155847.2, 3/9/2020, entitled "a medical face protection respirator".

Technical Field

The invention relates to the field of medical instruments, in particular to a medical breathing machine.

Background

The portable respirator is an important medical facility, plays an important role in isolating harmful substances or toxic gases in the air, is heavy in overall mass, is heavy in burden borne by the head of a wearer, is limited by design weight, and can only be made small by a battery of the portable respirator, so that the endurance time of the respirator is short.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the medical respirator which is small in head burden and long in endurance time when a user wears the respirator.

The technical scheme is as follows: to achieve the above object, the medical ventilator of the present invention includes: a neck wearing part and a mask part;

the mask part is foldable, and in an unfolded state, the mask part comprises an eye protection lens part made of hard materials, a flexible mouth and nose protection part extending downwards from the eye protection lens part and a flexible upper extension part extending upwards from the eye protection lens part; the outer contour of the goggle part is larger than the overlooking outer contour of the head of a user, two sides of the goggle part are respectively connected with a lateral extension part made of flexible materials, the upper side of the lateral extension part is connected with the upper extension part, and the lower side of the lateral extension part is connected with the oronasal protection part; the flexible extension part consisting of the upper extension part, the lateral extension part and the mouth and nose protection part is in a loose state or made of elastic materials;

foldable brackets are respectively arranged between two sides of the goggle part and two sides of the neck wearing part, and the foldable brackets play a supporting role on the mask part;

and a filtering component is arranged in the neck wearing part and is used for filtering air and then injecting the filtered air into the mask part.

The mask cover further comprises a tightening belt, the tightening belt extends along the periphery of the mask cover part, specifically, the tightening belt extends along the edge of the flexible extension part, a rope threading groove is formed in the edge of the flexible extension part, the tightening belt is threaded in the rope threading groove, two ends of the tightening belt are tightened by a tightening piece, and when a user wears the mask cover part, the tightening belt extends from the top of the head of the user to the chin of the head of the user around two sides of the head of the user.

Furthermore, the neck-wearing part comprises a shell, the shell is integrally of a symmetrical U-shaped structure, and the width of the area in the U-shaped structure in the direction perpendicular to the symmetry line is gradually widened and then gradually narrowed in the direction from the bottom of the U-shaped structure to the two ends of the U-shaped structure along the symmetry line; in addition, seen from the side of the shell, two side parts of the shell extend straightly, and relative to the two side parts of the shell, the middle part of the shell is deviated from the side parts; the middle part of the shell is thinner and the two side parts are thicker, when in use, the middle part is contacted with the back neck of a user, and the two side parts hang on the front side of the user and are arranged at the two sides of the neck of the user.

Has the advantages that: the medical respirator is provided with the neck wearing part and the face cover part, the neck wearing part and the face cover part which are separately arranged are arranged, and the connection between the neck wearing part and the face cover part is established through the foldable support, the heavier part of the respirator is arranged in the neck wearing part, and the foldable support plays a role in supporting the face wearing part, so that the wearing pressure of medical personnel can be effectively reduced, and the endurance of the respirator is improved.

Drawings

FIG. 1 is a block diagram of a medical ventilator in an expanded state;

FIG. 2 is a block diagram of the medical ventilator in a folded state;

FIG. 3 is a top view of the goggle portion;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a view of the structure of the neck wear portion;

fig. 6 is a structural view of the elastic structure.

In the figure: 1-a neck-wearing part; 11-a housing; 111-side part; 112-middle part; 113-an air intake; 12-an elastic structure; 121-intermediate bar; 122-side bars; 123-torsion spring; 124-synchronous belt; 125-first synchronizing wheel; 126-a second synchronizing wheel; 127-gear; 2-mask part; 21-a goggle part; 22-oronasal protection; 23-an extension; 24-a lateral extension; 25-an inner extension; 26-inner flanging part; 3-a foldable support; 31-a first link; 32-a second link; 4-trachea; 5-a filter assembly; 51-a filter element; 52-an air pump; 53-a power supply; 6-bundling the belt; 61-a bundling piece.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A medical respirator (hereinafter, referred to as a respirator) as shown in fig. 1 and fig. 2, which comprises a neck wearing part 1 and a face mask part 2; when a user wears the breathing machine, the neck wearing part 1 is arranged on the neck of the user, and the face mask part 2 covers the face of the user to protect the face of the user.

The mask portion 2 is foldable, as shown in fig. 1, in an unfolded state, the mask portion 2 comprises an eye protection lens portion 21 made of hard material, a flexible mouth and nose protection portion 22 extending downwards from the eye protection lens portion 21, and a flexible upper extension portion 23 extending upwards from the eye protection lens portion 21, the mouth and nose protection portion 22 is used for covering the mouth and nose of a user, and the upper extension portion 23 is used for covering the forehead position of the user, so that the whole face of the user can be covered; as shown in fig. 2, in the folded state, since the mouth-nose protecting portion 22 and the upper extending portion 23 are both made of flexible materials, they can be folded to a small volume, and thus the space occupied by the lower cover portion 2 in the folded state is mainly the space occupied by the goggle portion 21, and the volume thereof is small.

Because the weight of the goggle part 21 is heavier, in order to further reduce the wearing burden of the user, foldable brackets 3 are respectively arranged between two sides of the goggle part 21 and two sides of the neck wearing part 1, and the foldable brackets 3 play a supporting role for the mask part 2; in particular, the foldable support 3 comprises a first link 31 and a second link 32 hinged together; one end of the first connecting rod 31 is hinged on the neck wearing part 1; both sides of the goggle part 21 are respectively hinged at the end parts of the two second connecting rods 32; in the folded state, as shown in fig. 2, the first link 31 is folded forward with respect to the neckline 1, and the second link 32 is folded backward with respect to the first link 31.

Preferably, fixing knobs are provided between the first link 31 and the neck wearing portion 1 and between the first link 31 and the second link 32, so that the user can fix the first link 31 and the second link 32 when the foldable stand 3 is in the unfolded state; the second link 32 is connected to the goggle portion 21 through a damping shaft, so that the damping shaft can maintain the angle of the goggle portion 21 relative to the second link 32 after the pitch angle between the goggle portion 21 and the second link 32 is adjusted to a predetermined angle.

Since the goggle portion 21 of the present invention cannot rotate left and right, which may affect the head rotation of the user, in order to enable the user to rotate his head left and right when wearing the mask portion 2, the outer contour of the goggle portion 21 is larger than the top outer contour of the head of the user, so that a gap is formed between the head of the user and the main body portion of the goggle portion 21 and the user, and both sides of the goggle portion 21 are respectively connected with a lateral extension portion 24 (as shown in fig. 3) made of a flexible material, the upper side of the lateral extension portion 24 is connected with the upper extension portion 23, and the lower side of the lateral extension portion 24 is connected with the nose and mouth protection portion 22, so that a flexible extension portion (i.e. the sum of the upper extension portion 23, the lateral extension portion 24 and the nose and mouth protection portion 22) made of a flexible material is provided between the periphery of the face of the user and the goggle portion 21, and the flexible extension portion is in a loose state or made of an elastic material, thus, the goggle portion 21 does not obstruct the user from rotating his head left and right, and the goggle portion 21 is a ring with a notch and surrounds the user's head, so that the user's head can still see the outside through the goggle portion 21 after rotating.

The angle between the upper goggle portion 21 and the second link 32 can be adjusted manually by the user, but since the head of the user is usually tilted frequently, for the convenience of the user, as shown in fig. 4 and 5, the upper and lower edges of the goggle portion 21 are respectively fixed with an inner extension portion 25 extending along the edge, the inner extension portion 25 extends toward the direction close to the head of the user, the edge of the inner extension portion 25 away from the goggle portion 21 is provided with an inner flange portion 26, an ear accommodating groove is formed between the goggle portion 21 and the inner extension portions 25 at the upper and lower sides thereof, that is, the cross section of the whole body formed by the goggle portion 21 and the inner extension portions 25 at the upper and lower sides thereof is U-shaped, the two inner flange portions 26 narrow the mouth of the ear accommodating groove, when the mask portion 2 is worn by the user, the ear of the user is placed in the ear accommodating groove, so configured that, on the one hand, when the user rotates the head, user's ear moves along ear's storage tank, this motion can play the effect of leading, order about goggles portion 21 and finely tune from top to bottom, make goggles portion 21 comparatively reasonable for the relative position of people's eye, on the other hand, when user's every single move head, because user's ear is arranged in ear's storage tank, user's ear and certain inside flanging portion 26 contact can order about goggles portion 21 and carry out the luffing motion, so that goggles portion 21 makes the luffing motion along with the people's head together, make goggles portion 21 comparatively suitable for the relative position of people's eye always, prevent that user's eye from being sheltered from and can't see the outside by flexible extension. Interior extension portion 25 is made by silica gel, and its cross-section is wavy, and the silica gel material is soft or hard moderate, and when user's ear was at ear's storage tank internal motion, extension length can suitably be adjusted to interior extension portion 25 self-adaptation, and turn-ups portion 26 can prevent that the people's ear from deviating from ear's storage tank in the cooperation.

The breathing machine further comprises a tightening belt 6, the tightening belt 6 extends along the periphery of the mask portion 2, specifically, the tightening belt 6 extends along the edge of a flexible extension portion formed by the mouth-nose protection portion 22, the upper extension portion 23 and the lateral extension portion 24, a rope threading groove is formed in the edge of the flexible extension portion, the tightening belt 6 is threaded in the rope threading groove, two ends of the tightening belt 6 are tightened by the tightening piece 61, and when the mask portion 2 is worn by a user, the tightening belt 6 extends from the top of the head of the user to the chin of the head of the user around two sides of the head of the user, so that the periphery of the mask portion 2 is substantially closed.

Install filtering component 5 in the portion is worn to the neck 1, filtering component 5 is used for injecting into behind the filtration mask portion 2 for the atmospheric pressure in mask portion 2 is a little higher than outside atmospheric pressure always, and mask portion 2 is outwards carminative through the clearance between mask portion 2 and the people head always like this, prevents that outside harmful gas from permeating to mask portion 2 in, and the user need not to receive the tension that band 6 tied up, also can keep the facial fresh air circulation that has always of user in addition, can not damage skin because of closing for a long time. The filter assembly 5 comprises a filter element 51, an air pump 52 and a power supply 53, wherein the air pump 52 sucks air, and the air is filtered by the filter element 51 and then is injected into the mask part 2.

Preferably, the filtering assembly in the neck-wearing portion 1 injects filtered air into the mask portion 2 through the air tube 4; the air tube 4 extends along the foldable support 3 and has an air outlet facing the inside of the goggle portion 21, so that air is blown against the inside of the goggle portion 21 to supply air into the mask portion 2 while preventing fogging of the inside of the goggle portion 21.

As shown in fig. 5, the neck portion 1 comprises a housing 11, and the filter assembly 5 is mounted in the housing 11. The whole shell 11 is of a symmetrical U-shaped structure, and the width of an area in the U-shaped structure in the direction perpendicular to the symmetry line is gradually widened and then gradually narrowed from the bottom of the U-shaped structure along the symmetry line to the two ends of the U-shaped structure; in addition, as viewed from the side of the housing 11, the two side portions 111 thereof extend straight, and the middle portion 112 thereof is offset from the side portions 111 thereof with respect to the two side portions 111 of the housing 11; the middle part 112 of the shell 11 is thin, the two side parts 111 are thick, when the neck wear part is matched, the middle part 112 is in contact with the back neck of a user, the two side parts 111 hang on the front side of the user and are arranged on the two sides of the neck of the user, the design of the shell 11 accords with human engineering, and the neck wear part 1 has good wearing comfort after being worn on the neck of the user. In order to improve wearing stability, a fixing member such as a strap, a hook and loop fastener, etc. may be provided on the housing 11 so that the housing 11 may be fixed with respect to the body of the user.

As shown in fig. 5, the filter element 51 and the air pump 52 are disposed in one side portion 111 of the housing 11, and the housing 11 has array-type air inlets 113 corresponding to the air inlets of the filter element 51, and the power supply 53 is mounted in the other side portion 111 of the housing 11, so as to ensure the balance of the two sides of the housing 11. Middle part 112 is made for flexible material, lateral part 111 is made for the stereoplasm material, is provided with elastic construction 12 in the middle part 112, and it can make middle part 112 elasticity open and make the relative contained angle grow of two lateral parts 111 to exert the effort to two lateral parts 111, disappears as the effort of plus, and middle part 112 recovers to original state under elastic construction 12's spring action for the relative contained angle of two lateral parts 111 diminishes, so, the neck is worn portion 1 and is worn and can not drop on user's neck.

Specifically, as shown in fig. 6, the elastic structure 12 is composed of a middle rod 121 and two side rods 122, the two side rods 122 are respectively hinged on two sides of the middle rod 121, and a torsion spring 123 is arranged between the middle rod 121 and each side rod 122; two side bars 122 are fixed on the two side parts 111 respectively; the torsion spring mechanism further comprises a synchronizing mechanism, the synchronizing mechanism can enable the deflection angles of the two side rods 122 relative to the middle rod 121 to be consistent, the situation that the torsion spring 123 on one side fails in advance due to the fact that the torsion springs 123 on the two sides are stressed inconsistently for a long time after long-term use is avoided, and the use stability can be improved. The synchronous mechanism comprises a synchronous belt assembly and a gear 127, the synchronous belt assembly comprises a synchronous belt 124, a first synchronous wheel 125 and a second synchronous wheel 126, a group of synchronous belt assemblies and gears 127 are arranged corresponding to each side rod 122, namely, two groups of synchronous belt assemblies and two gears 127 are arranged in total, and the gear 127 and the second synchronous wheel 126 corresponding to the same side rod 122 are fixedly arranged. The first synchronizing wheel 125 is fixed with respect to the intermediate lever 121, and the second synchronizing wheel 126 is rotatably arranged with respect to the intermediate lever 121, the two gears 127 corresponding to the two side levers 122 being engaged with each other. In this way, the synchronous rotation of the two lateral levers 122 with respect to the intermediate lever 121 is achieved by means of the two meshing gears 127.

The medical respirator is provided with the neck wearing part and the face cover part, the neck wearing part and the face cover part which are separately arranged are arranged, and the connection between the neck wearing part and the face cover part is established through the foldable support, the heavier part of the respirator is arranged in the neck wearing part, and the foldable support plays a role in supporting the face wearing part, so that the wearing pressure of medical personnel can be effectively reduced, the endurance of the respirator is improved, in addition, the face wearing part can be folded, and the foldable support can be folded, so that the whole respirator can be folded to a smaller size, and the medical respirator is convenient to carry and transport.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims

1. A medical ventilator, characterized in that it comprises: a neck wearing part and a mask part;

2. The medical ventilator according to claim 1, further comprising a tightening strap extending along a circumference of the mask portion, in particular along an edge of the flexible extension, wherein a rope passing groove is formed at an edge of the flexible extension, the tightening strap is threaded in the rope passing groove, two ends of the tightening strap are tightened by tightening members, and the tightening strap extends from a top of a head of a user to a chin of the head of the user around two sides of the head of the user when the mask portion is worn by the user.

3. The medical ventilator according to claim 1, wherein the neck-wearing portion comprises a shell, the shell is a symmetrical U-shaped structure as a whole, and the width of the region in the U-shaped structure in the direction perpendicular to the symmetry line is gradually widened and then gradually narrowed in the direction from the bottom of the U-shaped structure along the symmetry line to the two ends of the U-shaped structure; in addition, seen from the side of the shell, two side parts of the shell extend straightly, and relative to the two side parts of the shell, the middle part of the shell is deviated from the side parts; the middle part of the shell is thinner and the two side parts are thicker, when in use, the middle part is contacted with the back neck of a user, and the two side parts hang on the front side of the user and are arranged at the two sides of the neck of the user.