CN2905107Y

CN2905107Y - Antivirus breathing protective mask

Info

Publication number: CN2905107Y
Application number: CN 200620008165
Authority: CN
Inventors: 李家骅
Original assignee: 李泉
Priority date: 2006-03-17
Filing date: 2006-03-17
Publication date: 2007-05-30
Anticipated expiration: 2016-03-17

Abstract

An anti-virus respiratory protection face shield, comprises a shield for mouth and nose and a filtering pot. The shield for mouth and nose is made of soft material such as rubber and plastic, comprising a seal part for mouth and nose and head belt; the central place for the seal part has a respiratory passage which communicates with outside; the seal part for mouth and nose seals the face through pulling of the head belt; the filtering pot comprise a pot body and filtering material, the pot body is provided with unicontrolled inlet and outlet; the filtering pot is tightly assembled at the outer side of the seal part of the mouth and nose shield; the inlet communicates the nose and mouth of the person wearing through filtering material inside the filtering pot and the respiratory passage of the seal part for the mouth and the nose. The product adopts unicontrol of inlet and outlet air to make breathing more comfortable. The filtering material adopts new-type virus-filtering material, guaranteeing effect of virus filtering. The filtering pot also has function of odor removing; the medical staff can have a good emotion when working without any odor.

Description

Anti-virus respiratory protection face shield

Technical field

The utility model relates to a kind of medical protection device, particularly relates to a kind of anti-virus respiratory protection face shield.

Prior art

Be operated in the healthcare givers of medical aid one line, every day and all kinds of patient's intimate contact, the germ virus in the environment often reaches very high concentration, and existing safeguard procedures generally are exactly to wear common cotton yarn system, medical mask made of paper.The nose eye socket place of this medical mask is easy to gas leakage owing to cooperates with people's face and to be difficult to reach obturation effect, and depend merely on which floor cotton yarn, filter paper be impossible filter viral, simultaneously, medical personnel wear masks for a long time, and a large amount of carbon dioxide of oneself breathing out of meeting inspiration cause anoxia phenomenon to produce.

Summary of the invention

In view of this; the purpose of this utility model is to provide a kind of medical anti-virus respiratory protection face shield; this device adopts the breathing principle and the rational facial stereo structure of breathing mask; personnel are worn in order and outside air is isolated fully; its filtering material adopts novel filter viral material; guarantee filter toxic effect fruit, protected medical personnel's breathing safety better.

For achieving the above object, the technical solution of the utility model is: described anti-virus respiratory protection face shield comprises oronasal mask and filtering tank, described oronasal mask is made by soft materials such as rubber, plastics, comprise mouth and nose driving fit portion and headband, the inboard of its mouth and nose driving fit portion with wear personnel's mouth and nose contact portion and carry out structural design according to the anthropometry principle, its center is provided with and extraneous identical breathing path, and this mouth and nose driving fit portion is by the tightening force and the abundant driving fit of people's face of headband; Described filtering tank comprises tank body and filtering material, this tank body is provided with the air inlet and the gas outlet of unidirectional control, this filtering tank is snugly fitted into the mouth and nose driving fit portion outside of oronasal mask, and its air inlet is communicated with the personnel mouth and nose of wearing by the breathing path of the filtering material in the filtering tank, mouth and nose driving fit portion.

Anti-virus respiratory protection face shield of the present utility model is to be the breathing safety of protection fight the medical aid personnel of a line, a kind of efficient, the safe respiratory protection equipment of specialized designs development.This product has overcome the nose eye socket place gas leakage of medical mask in the past, and the defective that the filter poison has little effect adopts the unidirectional control of inlet and outlet, and the personnel that wear can not suck the waste gas that oneself is breathed out, and make breathing more smooth.Its filtering material adopts novel filter viral material, and guaranteed filter toxic effect fruit: enzyme and sterilizing PP HEPA reaches more than 99.97% the atomic filter efficiency more than 0.3 micron.Under gas phase state; to withered grass bacterium, Escherichia coli, staphylococcus aureus, pneumobacillus, tulase, MRSE, MRSA bacterium, LUTEUS bacterium etc.; sterilizing rate adopts charcoal absorption and interpolation virus killing additive to protect more than 99% to the protection of virus.The deodorization functions in addition of this product filtering tank, medical personnel can keep a good mood not having to carry out operation under the environment of peculiar smell.

Description of drawings

Fig. 1 is the decomposition texture schematic diagram of the utility model " anti-virus respiratory protection face shield "

Fig. 2 is the structural representation of the utility model " anti-virus respiratory protection face shield " when not being equipped with eyeglass

Structural representation when Fig. 3 is the utility model " anti-virus respiratory protection face shield " outfit eyeglass

Fig. 4 is the workflow diagram of the utility model " anti-virus respiratory protection face shield "

The specific embodiment

Below in conjunction with drawings and Examples the utility model is elaborated.

As shown in Figure 1: anti-virus respiratory protection face shield of the present utility model, comprise oronasal mask (1) and filtering tank, described oronasal mask (1) is made by soft materials such as rubber, plastics, comprise mouth and nose driving fit portion and headband (12), the inboard of its mouth and nose driving fit portion with wear personnel's mouth and nose contact portion and carry out structural design according to the anthropometry principle, its center is provided with and extraneous identical breathing path, and this mouth and nose driving fit portion is by the tightening force and the abundant driving fit of people's face of headband (12); Described filtering tank comprises tank body and filtering material, this tank body is provided with air inlet (8) and gas outlet (9) of unidirectional control, this filtering tank is snugly fitted into the mouth and nose driving fit portion outside of oronasal mask (1), and its air inlet (8) is communicated with the personnel mouth and nose of wearing by the breathing path of the filtering material in the filtering tank, mouth and nose driving fit portion.

Described filtering tank tank body comprises shell 2, inner seal ring 3, filter 4, exterior seal ring 5, retainer ring 6, outer casing upper cover 7 and guarantees that oronasal mask 1 and the shell 2 tight sealing spiral shells that link buckle 11; Described shell 2, retainer ring 6 and outer casing upper cover 7 adopt the manufacturing of heat-resistant fireproof materials such as vulcanie, plastics, described inner seal ring 3 and exterior seal ring 5 adopt soft rubber to make, described shell 2 is provided with air inlet 8 and gas outlet 9, described filter 4 is installed between the breathing path of air inlet 8 and mouth and nose driving fit portion, described filtering tank tank body is by all these assemblies close fit successively from inside to outside, by sealing spiral shell button 11 and the oronasal mask 1 fastening moulding of stretching into oronasal mask 1 inboard; Be provided with exhalation passages in described oronasal mask 1 bottom, and outgassing nonreturn valve 10 be installed, be connected with gas outlet 9 on the shell 2 at this exhalation passages collar extension.

For protection being provided further for medical personnel's eyes; described anti-virus respiratory protection face shield also has been equipped with a goggles specially; this goggles comprises Goggles frame 14 that soft materials such as adopting rubber is made and the eyeglass 15 that adopts dull and stereotyped polythene material plastics sucking moulding; described eyeglass 15 is drawn a circle to approve in Goggles frame 14; the stereochemical structure and oronasal mask 1 upper curve of the part that these Goggles frame 14 bottoms and oronasal mask 1 are complementary match, and the goggles of headband 12 proceeds posterolateral of this goggles by being arranged on oronasal mask 1 connects to be buckled 13 and flexibly connect with oronasal mask 1.

The material of the goggles of this product adopts 1 millimeter dull and stereotyped polythene material plastics sucking moulding, and good light transmission and intensity are arranged.This goggles and oronasal mask 1 are to flexibly connect on structural design, can take off, and filter face mask can use separately, shown in Fig. 2,3.

The filtering material that is assemblied on the described filter 4 has three layers, form by sterilizing layer, filter course, absorption virus killing layer, this filtering material adopts the filtering material (enzyme and sterilizing pp-hepa) that meets international N95 standard to filter and kill pathogens, and employing charcoal absorption virus, add the additive that kills the virus, kill virus.The work principle of filter of utilization filtering tank, beyond filtering tank, filter 4 can be changed sterilization at any time, and reusable with virus filtration.Filter effect: enzyme and sterilizing PP HEPA reaches more than 99.97% the atomic filter efficiency more than 0.3 micron.Under gas phase state; to withered grass bacterium, Escherichia coli, staphylococcus aureus, pneumobacillus, tulase, MRSE, MRSA bacterium, LUTEUS bacterium etc.; sterilizing rate adopts charcoal absorption and interpolation virus killing additive to protect more than 99% to the protection of virus.

As shown in Figure 4, anti-virus respiratory protection face shield workflow of the present utility model is as follows:

After medical personnel etc. correctly wear this anti-virus respiratory protection face shield; face shield and the personnel that wear are facial to form the gas driving fit; the personnel of wearing can only suck air by the air inlet on the filtering tank tank body 8; at this moment; suck air-flow and at first will carry out sterilization, filtration, absorption, virus killing through the filtering material on the filter 4; air intake passage via the mouth and nose driving fit portion center of oronasal mask 1 sucks in this oronasal mask 1 then, enters people's nostril.The air-flow that the personnel that wear breathe out, mouth and nose driving fit portion through outgassing nonreturn valve 10 outlet nose cups 1, most of exhaled air flow is discharged to external environment condition via the gas outlet on the face shield 9, and the fraction expiratory air fails to be convened for lack of a quorum by behind the filter 4, is discharged by the air inlet on the filtering tank tank body 8.

This application range of products: two, three grades of protection of the first-line staff in avian influenza virus epidemic-stricken area, infectious hospital, hospital carry out the medical personnel of superfine nursing, scientific research personnel, the pathological anatomy of medical research mechanism contact virus, the related personnel of virus treated etc.

Claims

1; a kind of anti-virus respiratory protection face shield; comprise oronasal mask (1) and filtering tank; it is characterized in that: described oronasal mask (1) is by rubber; the plastics soft materials is made; comprise mouth and nose driving fit portion and headband (12); its mouth and nose driving fit portion center is provided with and extraneous identical breathing path; described filtering tank comprises tank body and filtering material; this tank body is provided with air inlet (8) and gas outlet (9) of unidirectional control; this filtering tank is snugly fitted into the mouth and nose driving fit portion outside of oronasal mask (1), and its air inlet (8) is by the filtering material in the filtering tank; the breathing path of mouth and nose driving fit portion is communicated with the personnel mouth and nose of wearing.

2, anti-virus respiratory protection face shield according to claim 1 is characterized in that: described filtering tank tank body comprises shell (2), inner seal ring (3), filter (4), exterior seal ring (5), retainer ring (6), outer casing upper cover (7) and guarantees that oronasal mask (1) buckles (11) with the sealing spiral shell that shell (2) closely links; Described shell (2), retainer ring (6) and outer casing upper cover (7) adopt vulcanie, plastics heat-resistant fireproof material to make, described inner seal ring (3) and exterior seal ring (5) adopt soft silicon rubber to make, described shell (2) is provided with air inlet (8) and gas outlet (9), described filter (4) is installed between the breathing path of air inlet (8) and mouth and nose driving fit portion, described filtering tank tank body is by all these assemblies close fit successively from inside to outside, by stretching into inboard sealing spiral shell button (11) of oronasal mask (1) and the fastening moulding of oronasal mask (1); Be provided with exhalation passages in described oronasal mask (1) bottom, and outgassing nonreturn valve (10) be installed, be connected with gas outlet (9) on the shell (2) at this exhalation passages collar extension.

3; anti-virus respiratory protection face shield according to claim 1 and 2; it is characterized in that: described anti-virus respiratory protection face shield also comprises a goggles; this goggles comprises Goggles frame (14) that employing rubber soft materials is made and the eyeglass (15) that adopts dull and stereotyped polythene material plastics sucking moulding; described eyeglass (15) is drawn a circle to approve in Goggles frame (14); the stereochemical structure of the part that this Goggles frame (14) bottom and oronasal mask (1) are complementary and oronasal mask (1) upper curve match, and the goggles of headband (12) proceeds posterolateral of this goggles by being arranged on oronasal mask (1) connects to be buckled (13) and flexibly connect with oronasal mask (1).

4, anti-virus respiratory protection face shield according to claim 3 is characterized in that: the dull and stereotyped polythene material thickness of described eyeglass (15) is 1 millimeter.

5, anti-virus respiratory protection face shield according to claim 2; it is characterized in that: the filtering material that is assemblied on the described filter (4) has three layers; before and after two-layer for adopting the filtering material enzyme and sterilizing pp-hepa meet international N95 standard to filter and the filter course of kill pathogens, middle for adopting absorbent charcoal material, adding the absorption virus killing layer of additive that kill the virus simultaneously in order to kill virus.