CN211512425U - Protective cover for respiratory tract infectious diseases - Google Patents

Abstract

The utility model relates to a protective cover for respiratory infectious diseases, which is characterized by comprising a supporting frame with turning and folding functions and a cover body for realizing isolation, wherein the cover body is arranged on the supporting frame, the cover body is provided with a first operation window, the supporting frame is used for being arranged on a sickbed, and the cover body is used for covering one end of the sickbed after the supporting frame is turned and unfolded; the utility model provides a protection casing, simple structure, compactness can realize turning over and fold and expand the function, can prevent effectively that aerosol and secretion from splashing medical personnel on one's body, play better isolation effect, are particularly useful for respiratory infectious disease epidemic situation period, and medical personnel safer carry out trachea cannula, inhale phlegm, pharynx swab collection and atomizer operation such as treatment to the patient.

Description

Protective cover for respiratory tract infectious diseases

Technical Field

The utility model relates to the technical field of medical protective articles, in particular to a protective cover for respiratory infectious diseases.

Background

Aerosol and secretion splash exposure in respiratory illness patients is a high risk factor for infection of healthcare workers. The study showed that: endotracheal intubation, sputum aspiration, and nebulizer treatment procedures produce large amounts of aerosol and spray, and medical personnel exposed to such high risk procedures have a 2.86-fold increase in infection rates compared to non-exposed individuals.

During respiratory infectious disease epidemic situations, such as novel coronavirus epidemic situations and the like, when medical care personnel perform nursing operations such as sputum aspiration nursing, aerosol inhalation, mechanical ventilation, tracheotomy nursing, trachea cannula, throat swab specimen collection and the like on a patient, because the medical care personnel are easily splashed by blood, body fluid, secretions and the like of the patient, the risk of infection is greatly increased; for respiratory infectious diseases with extremely strong infectivity and wide related range, although medical care personnel can wear protective articles for nursing operation, such as medical protective masks, goggles, anti-seepage long-sleeve isolation clothes, latex gloves and the like, the protective articles are easily polluted by blood, body fluid, secretion and the like splashed by patients, so that the service time of the protective articles is reduced, even the protective articles need to be replaced immediately, the waste of medical substances is caused, and particularly, the infection probability of the medical personnel is immeasurable under the conditions of the shortage of the protective articles and the insufficient allocation of wards.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve exist not enough among the prior art, provide a protection casing for respiratory infectious disease, simple structure, compactness can prevent effectively that aerosol and secretion from splashing medical personnel on one's body, play better isolation effect, are particularly useful for respiratory infectious disease epidemic situation period, and medical personnel safer carries out operations such as trachea cannula, phlegm suction and atomizer treatment to the patient.

The utility model adopts the technical proposal that:

the utility model provides a protection casing for respiratory infectious disease, including have turn over folding and expand the support frame of function, be used for realizing the cover body of keeping apart, the cover body set up in the support frame, the cover body is provided with first operation window, the support frame is used for installing in the head of a bed of sick bed, and the cover body is used for covering the one end of sick bed after the support frame upset is expanded. The protective cover can be arranged at the head of a patient, in particular to the head of a patient with respiratory infectious diseases, when the support frame is unfolded, one end of a sickbed can be covered, so that the head of the patient lying on the sickbed can be covered, the head of the patient is isolated from medical personnel, when the operations of trachea intubation, sputum suction and the like are carried out, the medical personnel can carry out related operations through the first operation window, the medical personnel can be effectively prevented from directly splashing aerosol, secretions and the like onto the body of the medical personnel in the operation process, the infection source is fully isolated, the infection path is cut off, a better isolation effect is achieved, the risk of infection of the medical personnel can be greatly reduced, and meanwhile, the pollution of protective articles such as a medical protective mask, a protective goggle, an anti-seepage long-sleeve isolation gown worn by the splashed aerosol, the secretions and the like can be effectively avoided, is favorable for prolonging the service time of protective articles, and is particularly suitable for the conditions of deficient protective articles and insufficient ward allocation.

Because patient can produce more aerosol when carrying out the aerosol therapy, for making medical personnel safer carry out operations such as aerosol therapy, oxygen uptake to the patient, further, the position department that corresponds the sick bed both sides on the cover body still is provided with second operation window respectively, second operation window is used for pipeline or the oxygen suppliment pipeline through aerosol therapy. So that the medical staff can conveniently carry out the operations of the atomization treatment, the oxygen inhalation and the like for the patient in the cover body, thereby effectively reducing the probability of the infection of the operation processes of the atomization treatment, the oxygen inhalation and the like.

In order to facilitate the two hands of the medical staff, the medical staff can conveniently perform operations such as tracheal intubation and sputum aspiration for the patient, and the operation window is preferably a first operation window comprising two adjacent operation windows.

Preferably, the first operating window and/or the second operating window have a circular structure or an elliptical structure.

In order to effectively intercept splashed aerosol, secretion and the like, in one scheme, the cover body is made of waterproof cloth, a plastic film, polypropylene spun-bonded cloth, polyester fiber and wood pulp compounded spunlace cloth and SMS non-woven cloth. The cover body made of waterproof cloth, plastic film and the like has good waterproof performance, and can effectively prevent splashed aerosol, secretion and the like from overflowing out of the cover body, thereby realizing good isolation effect; polypropylene spun-bonded cloth, polyester fiber and wood pulp compounded spunlace cloth, SMS non-woven cloth and the like are common materials of medical protective clothing, and good isolation effect can be achieved.

In order to facilitate the observation of the patient by the medical staff, especially when the cover body is made of non-transparent material, further, the cover body is also provided with a transparent observation window. So that medical staff can observe the condition of the patient.

In order to realize the support frame with the functions of turning, folding and unfolding, in one scheme, the support frame comprises a main framework and at least one auxiliary framework, wherein two ends of each auxiliary framework are respectively hinged to the main framework, the main framework and the auxiliary frameworks are respectively and fixedly connected to a cover body, and the main framework is used for being vertically fixed on a bed head of a sickbed. Each vice skeleton constitutes the revolute pair with main skeleton respectively, and when the support frame was in fold condition, each vice skeleton was in vertical direction respectively for the cover body is folding, and when the support frame was in the expansion state, each vice skeleton rotated for main skeleton respectively under the effect of gravity, until the cover body expandes and tighten up, thereby can be convenient cover patient's head.

Preferably, the main framework is a U-shaped structure, each auxiliary framework is a U-shaped structure or comprises two support rods with arc structures or linear structures, and the support rods are respectively hinged to two sides of the main framework. The main framework with the U-shaped structure can open the cover body into a fan-shaped structure, so that the structure of the whole protective cover is more compact, a larger cover body space is obtained, the movement of a patient is facilitated, and the operation of medical personnel is also facilitated.

In order to prevent the support frame from being automatically opened, the main framework is provided with a clamp, a hook or a movable stop block for restraining the auxiliary framework. So as to limit the self-expansion of the sub-frame under the action of gravity.

In order to keep the unfolding state of the support frame, a hook or a magnet used for being detachably connected with the bed frame is further arranged on the auxiliary framework far away from the main framework. The restraint to the vice skeleton in below can be realized to the realization is to the restraint of whole cover body and support frame, can effectively prevent to be in the automatic folding of the support frame of expansion state/cover body.

In order to realize better blocking and isolating effects, the shielding device further comprises a shielding curtain, wherein the shielding curtain is connected with the shielding body and is arranged at the edge far away from one end of the main framework. So that when the support frame is in an unfolded state, the gap between the edge of the cover body and the sickbed can be sealed through the cover curtain, and a better isolation effect can be realized.

In order to improve the isolation effect, furthermore, an opening is arranged at the position, close to the supporting rod, on the cover body. The medical bed is beneficial to being more attached to the body of a sickbed or a patient, and in a further scheme, elastic cloth is further arranged at the opening so as to realize stretching.

In order to install main skeleton detachable in the one end of sick bed, it is further, the support frame still includes the connecting portion of dismantling that is used for connecting the sick bed, can dismantle the connecting portion and be fixed in main skeleton. Can dismantle connecting portion through the setting, can be convenient install this protection casing in the one end of sick bed, also can be convenient dismantle this protection casing get off and disinfect simultaneously to used repeatedly.

Preferably, the detachable connecting part is a hoop, a connecting rope or a clamp.

Compared with the prior art, the utility model provides a pair of a protection casing for respiratory infectious disease uses has following beneficial effect:

1. the protective cover is simple and compact in structure, can effectively prevent aerosol and secretion from splashing on the body of medical personnel, plays a better isolation effect, and is particularly suitable for operations of tracheal intubation, sputum suction, atomizer treatment and the like of the patient, which are safer for the medical personnel, during epidemic situations of respiratory tract infectious diseases.

2. This protection casing can realize turning over folding and expand the function to expand and cover patient's head when needs, realize good isolation effect, can fold when need not use, so that practice thrift the space.

3. This protection casing, the structure is various, and convenient to use, flexibility, and in the in-service use process, the installation/dismantlement are convenient, after the disinfection treatment, can also repeat, recycle, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a conventional hospital bed.

Fig. 2 is a schematic structural view (transparent cover body) of the protection cover provided in embodiment 1 of the present invention after being installed on a hospital bed and unfolded.

Fig. 3 is a schematic structural view of the protection cover provided in embodiment 1 of the present invention after being installed on a patient bed and unfolded (the cover is opaque).

Fig. 4 is a partial side view of the bitmap 2.

Fig. 5 is a schematic structural view of the protection cover provided in embodiment 1 of the present invention after being installed on a hospital bed and folded.

Fig. 6 is a partial schematic view of a main frame in the protective cover provided in embodiment 1 of the present invention.

Fig. 7 is a schematic structural view of the protection cover provided in embodiment 2 of the present invention after being installed on a patient bed and unfolded (the cover is opaque).

A hospital bed 100, a bed frame 101, a bed rail 102

Cover body 200, first operation window 201, second operation window 202, observation window 203 and cover curtain 204

The device comprises a main framework 301, an auxiliary framework 302, a hook 303, a support rod 304, an opening 305, elastic cloth 306, a magnet 307, an elastic clip 308, a hoop 309, a movable stop 310 and a pin shaft 311.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 6, the present embodiment provides a protective cover for respiratory infectious diseases, including a support frame having turning and folding functions, and a cover body 200 for achieving isolation, where the cover body 200 is disposed on the support frame, the cover body 200 is provided with a first operation window 201, and operations such as tracheal intubation and sputum aspiration can be performed through the first operation window 201, the support frame is used to be mounted (fixed) on a bedside (i.e., one end of a hospital bed 100) of the hospital bed 100, the cover body 200 is used to cover one end of the hospital bed 100 after the support frame is turned and folded, so as to effectively cover the head of a patient lying on the hospital bed 100, and achieve isolation between the head of the patient and medical care personnel, and during operations such as tracheal intubation and sputum aspiration, the medical care personnel can perform related operations through the first operation window 201, so that aerosol and secretions and the like can be effectively prevented from being directly sprayed onto the body of the medical care personnel, the medical protective mask fully isolates an infection source and cuts off an infection way, and has a better isolation effect, so that the risk of infection of medical care personnel can be greatly reduced, meanwhile, the medical protective mask, goggles, anti-seepage long-sleeve isolation clothes and other protective articles worn by the medical care personnel can be effectively prevented from being polluted by splashed aerosol, secretion and the like, the service life of the protective articles can be prolonged, and the medical protective mask is particularly suitable for the conditions of deficient protective articles and insufficient ward configuration.

As shown in fig. 2 or fig. 3, in order to facilitate the medical staff to conveniently perform operations such as tracheal intubation and sputum aspiration for the patient by using the hands of the medical staff, in a preferred embodiment, the protective cover includes two first operation windows 201 disposed adjacently, as shown in fig. 2 or fig. 3, the hands of the medical staff may be respectively inserted into the sleeve body through the two first operation windows 201 to perform operations, and a pipeline required for operations such as tracheal intubation and sputum aspiration may also be inserted into the sleeve body through one of the first operation windows 201.

Because the patient can produce more aerosol when carrying out the aerosol treatment, for making medical personnel's operation such as aerosol treatment, oxygen uptake more safe to the patient, in further scheme, the position department that corresponds sick bed 100 both sides on the cover body 200 still is provided with second operation window 202 respectively, as shown in fig. 2 or fig. 3, second operation window 202 sets up respectively in the cover body 200 to the side of sick bed 100, second operation window 202 is used for the pipeline or the oxygen suppliment pipeline through the aerosol treatment. So that the medical staff can conveniently carry out the operations of the atomization treatment, the oxygen inhalation and the like for the patient in the cover body 200, thereby effectively reducing the probability of the infection of the operation processes of the atomization treatment, the oxygen inhalation and the like.

It can be understood that there are various embodiments of the first operating window 201 and the second operating window 202, and preferably, the first operating window 201 and/or the second operating window 202 may preferably adopt a circular structure or an elliptical structure, for example, as shown in fig. 2 or fig. 3, in this embodiment, the first operating window 201 and/or the second operating window 202 both adopt a circular structure, and the diameter of the first operating window 201 is larger than that of the second operating window 202.

In order to effectively intercept the splashed aerosol, secretion and the like, the cover body 200 can be preferably made of common waterproof cloth or plastic film and the like in the prior art, the cover body 200 made of the waterproof cloth or the plastic film has good waterproof performance, and the splashed aerosol, secretion and the like can be effectively prevented from overflowing out of the cover body 200, so that a good isolation effect is realized; similarly, the cover body 200 may be made of materials commonly used in medical protective clothing in the prior art, such as polypropylene spunbonded fabric, polyester fiber and wood pulp composite spunlace fabric, SMS nonwoven fabric, etc.; the materials are common materials of medical protective clothing, and can achieve better isolation effect.

It will be appreciated that to facilitate the observation of the patient by the healthcare worker, particularly when the enclosure 200 is made of a non-transparent material, in a further aspect the enclosure 200 is also provided with a transparent viewing window 203, as shown in fig. 2 or 3, to allow the healthcare worker to observe the patient.

It can be understood that, in order to realize the support frame with the functions of turning, folding and unfolding, there are various embodiments in the prior art, as a preferred solution, the support frame includes a main frame 301 and at least one auxiliary frame 302, two ends of each auxiliary frame 302 are respectively hinged to the main frame 301, the main frame 301 and the auxiliary frame 302 are respectively fixedly connected to the cover 200, and the main frame 301 is used for being vertically fixed on the bed head of the patient bed 100; each auxiliary framework 302 and the main framework 301 form a revolute pair respectively, when the support frame is in a folded state, each auxiliary framework 302 is in a vertical direction respectively, and the cover body 200 is folded as shown in fig. 2-5, so that the space right above the sickbed 100 is not occupied, and the movement of a patient is not infected;

in order to prevent the support frame in the folded state from being automatically opened, in a further aspect, the main frame 301 is provided with a clip, a hook 303 or a movable stopper 310 for restraining the sub-frame 302. In order to limit the sub-frame 302 from unfolding by gravity, as shown in fig. 4 and 5, for example, the main frame 301 is provided with an elastic clip 308 for restraining the sub-frame 302, and the sub-frame 302 can be clipped to maintain the folded state; similarly, it also has the same technological effect to adopt couple 303 to catch vice skeleton 302, and here no longer exemplifies, as another kind of examples, as shown in fig. 6, main skeleton 301 also can set up movable stop 310, movable stop 310 adopts round pin axle 311 swing joint in main skeleton 301, and round pin axle 311 off-centre sets up in movable stop 310, and under the effect of gravity, movable stop 310 can rotate and block vice skeleton 302 around round pin axle 311 to retrain the mesh of vice skeleton 302 greatly, when needs expand, medical personnel only need manually rotate movable stop 310, can be convenient remove the restraint to vice skeleton 302, make vice skeleton 302 can expand smoothly.

When atomization, tracheal intubation, sputum aspiration and other operations are needed, the situation of aerosol and secretion splashing is very easy to occur, at the moment, medical staff can manually unfold the support frame to enable the cover body 200 to unfold and cover the head of a patient to achieve the isolation effect, and when the support frame is in an unfolded state, each auxiliary framework 302 can rotate relative to the main framework 301 under the action of gravity respectively until the cover body 200 is unfolded and tightened, so that the head of the patient can be conveniently covered, as shown in fig. 2 or fig. 3, the situation of aerosol and secretion splashing can be effectively prevented.

In order to maintain the unfolded state of the supporting frame, in a further scheme, a hook 303 or a magnet 307 for detachably connecting the bedstead 101 is arranged on the auxiliary framework 302 far away from the main framework 301 so as to tighten the cover body 200 after the cover body 200 is unfolded; the hook 303 or the magnet 307 can be adopted to restrain the lowermost auxiliary framework 302, so that the whole cover body 200 and the support frame are restrained, and the support frame/cover body 200 in the unfolded state can be effectively prevented from being automatically folded. As an example, the sub-frame 302 far away from the main frame 301 (i.e. the sub-frame 302 located at the lowest position after being unfolded) is provided with a hook 303 so as to hook the bedstead 101 of the hospital bed 100 after being unfolded, thereby effectively preventing the cover 200 from being folded automatically; in another alternative, since the bedstead 101 is usually made of steel or iron and can absorb the magnet 307, the magnet 307 is disposed on the sub-frame 302 away from the main frame 301 (i.e. the sub-frame 302 located at the lowest position after being unfolded), as shown in fig. 7, so that the magnet 307 can be absorbed on the bedstead 101 after the cover 200 is unfolded, thereby effectively preventing the cover 200 from being folded automatically.

In this embodiment, the main frame 301 and the sub-frame 302 mainly function to prop open the mask body 200 after being unfolded, so that the mask body 200 can cover the head of the patient, thereby achieving the purpose of isolation, it can be understood that the main frame 301 and the sub-frame 302 have various embodiments, as an optimal choice, the main frame 301 can be preferentially adopted as a U-shaped structure, as shown in fig. 2 and 3, each sub-frame 302 can also be a U-shaped structure, and the main frame 301 and the sub-frame 302 adopting the U-shaped structures can prop open the mask body 200 as a fan-shaped structure, which is not only beneficial to the compactness of the whole protective mask, but also beneficial to the obtaining of a larger space of the mask body 200, facilitating the movement of the patient, and facilitating the operation of medical staff.

It is understood that the number of the sub-frames 302 may be determined according to actual requirements, for example, the supporting frame includes one sub-frame 302, and for another example, as shown in fig. 2 and fig. 3, the supporting frame includes two sub-frames 302, which are not illustrated one by one.

After the cover 200 is unfolded in place, a large gap may exist between the edge of the cover 200 and the patient's body and the patient's bed 100, in order to achieve better blocking and isolating effects, in a further aspect, the cover further includes a cover curtain 204, and the cover curtain 204 is connected to the cover 200 and disposed at the edge of one end far away from the main frame 301, as shown in fig. 2 to 4. So that when the support frame is in the unfolded state, the gap between the edge of the cover 200 and the sickbed 100 can be closed by the cover curtain 204, thereby achieving better isolation effect.

It can be understood that the auxiliary frame 302 can be hinged to the main frame 301 through a hinge column, and in a further aspect, in order to achieve the automatic folding function of each auxiliary frame 302, the hinge column is sleeved with a torsion spring, a spring arm at one end of the torsion spring is fixed to the main frame 301, and another spring arm is fixed to the lowermost auxiliary frame 302, so that the automatic folding function can be achieved by utilizing the elastic force of the torsion spring, and details are not repeated here.

Example 2

The main difference between the present embodiment 2 and the above embodiment 1 is that in the present embodiment, the main frame 301 adopts a U-shaped structure, as shown in fig. 7, and the sub-frame 302 may be a U-shaped structure or include two support rods 304 with an arc structure or a linear structure, and the support rods 304 are respectively hinged to two sides of the main frame 301; as an example, as shown in fig. 7, the protection cover comprises two sub-frames 302, wherein the sub-frame 302 far away from the main frame 301 (i.e. the sub-frame 302 located at the lowest position) is composed of two support rods 304 with a straight line structure, as shown in fig. 7, the two support rods are hinged to two sides of the main frame 301 and are located at two sides of the patient bed 100, as shown in fig. 7, the other sub-frame 302 may adopt a U-shaped structure, as shown in fig. 7, after the protection cover is unfolded, the support rod 304 located at the lowest position may completely fit with the bed frame 101 of the patient bed 100, which is beneficial to achieve a better. The number of the sub-frameworks 302 can be determined according to actual requirements, and is not illustrated one by one here.

In a further embodiment, in order to improve the isolation effect, an opening 305 is provided on the cover 200 near the support bar 304, as shown in fig. 7, which is beneficial to fit the body of the patient bed 100 or patient, and in a further embodiment, an elastic cloth 306 is further provided at the opening 305, so as to achieve stretching.

Example 3

The main difference between this embodiment 3 and the above embodiment 1 is that in this embodiment, the support frame further includes a detachable connecting portion for connecting with the hospital bed 100, and the detachable connecting portion is fixed to the main frame 301. Through setting up detachable connection portion, can be convenient install this protection casing in the one end of sick bed 100, simultaneously also can be convenient dismantle this protection casing get off and disinfect to used repeatedly.

It will be appreciated that there are various embodiments of the detachable connection, and that the detachable connection may preferably employ a hoop 309, a connection rope or a clamp, etc. For example, the detachable connection portion is a hoop 309, the hoop 309 is disposed on the main frame 301, and when the protective cover is installed, the hoop 309 is fixed on the bed rail 102 at one end of the hospital bed 100, as shown in fig. 5; as another example, the detachable connection portion is a connection rope, one end of the connection rope is fixed to the main frame 301, and when the protective cover is installed, the other end of the connection rope is tied to the bed rail 102 at one end of the hospital bed 100 to fix the protective cover; in a similar way, when the detachable connecting portion adopts the clamp, the clamp can be a common clamp in the prior art, and when the protective cover needs to be installed, the clamp is clamped on the bed rail 102 at one end of the sickbed 100, so that the protective cover can be fixed, and great convenience is achieved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a protection casing for respiratory infectious disease which characterized in that, including have the support frame of turning over folding and expansion function, be used for realizing the cover body of keeping apart, the cover body set up in the support frame, the cover body is provided with first operation window, the support frame is used for installing at the sick bed, and the cover body is used for covering the one end of sick bed after the support frame upset is expanded.

2. The shield for respiratory infectious diseases according to claim 1, wherein the shield body is further provided with second operation windows at positions corresponding to two sides of the hospital bed, and the second operation windows are used for the pipeline for aerosol therapy or the oxygen supply pipeline.

3. The shield for respiratory infectious disease of claim 1, wherein the shield body is made of waterproof cloth, plastic film, polypropylene spun-bond cloth, polyester fiber and wood pulp compounded spunlace cloth, or SMS nonwoven cloth.

4. The shield for infectious respiratory disease of claim 1 comprising two adjacently disposed first operating windows.

5. The shield for respiratory infectious diseases according to any one of claims 1 to 4, wherein the support frame comprises a main frame and at least one sub-frame, both ends of each sub-frame are hinged to the main frame, respectively, the main frame and the sub-frame are fixedly connected to the cover body, respectively, and the main frame is used for being vertically fixed to the head of a hospital bed.

6. The shield for respiratory infectious diseases according to claim 5, wherein the main frame has a U-shaped structure, each of the sub-frames has a U-shaped structure, or comprises two support rods having an arc structure or a straight structure, and the support rods are respectively hinged to both sides of the main frame.

7. The shield for respiratory infectious diseases according to claim 5, wherein the main frame is provided with a clip, a hook or a movable stopper for restraining the sub-frame.

8. The shield for respiratory infectious diseases according to claim 6, wherein the sub-frame or the support bar far from the main frame is provided with hooks or magnets for detachably connecting the frame.

9. The shield for respiratory infectious disease of claim 6, further comprising a curtain attached to the cover body and disposed at an edge of an end away from the main frame;

or an opening is arranged at the position, close to the supporting rod, on the cover body, and elastic cloth is further arranged at the opening.

10. The protective cover for respiratory infectious diseases according to claim 5, wherein the supporting frame further comprises a detachable connecting portion for connecting a hospital bed, the detachable connecting portion is fixed on the main frame, and the detachable connecting portion is a hoop, a connecting rope or a clamp.

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