CN212281996U - Airway operation protective hood - Google Patents

Abstract

The utility model relates to an airway operation protective hood, which comprises a closed hood body, an operation hole arranged on the hood body, an adaptation port used for passing through the head of a patient, and a first connecting head used for connecting a breathing loop, wherein an internal cavity used for accommodating the head of the patient is arranged in the hood body, a flexible isolation part used for isolating the operation hole from the internal cavity is arranged in the operation hole, the operation hole is used for passing through the hand of the user, and the first connecting head is communicated with the internal cavity; this protection hood, the modern design, simple to use keeps apart more high-efficient, can let medical personnel accomplish the air flue operation in a flexible way outside the cover body that has kept apart patient's respiratory track completely, has greatly reduced medical personnel's infection risk, is particularly useful for the trachea cannula protection of infectious disease patient through respiratory track infection to and this type of patient implements the part when having the wound or not having the wound respiratory support and keeps apart.

Description

Airway operation protective hood

Technical Field

The utility model relates to a medical treatment protective articles technical field, concretely relates to air flue operation protection hood.

Background

Infectious diseases transmitted through the respiratory tract greatly threaten the life health of all human beings; during the treatment of such patients, the direct exposure and intimate contact of the healthcare worker significantly increases the risk of infection for the healthcare worker.

At present, medical care personnel mainly take active protective measures to reduce the risk of infection, for example, protective measures such as wearing medical protective masks, hats and goggles, wearing protective clothing or isolation clothes can greatly reduce the risk of infection of the medical care personnel. However, in clinical practice, the largest pathogens are originated from the patients themselves, and in the prior art, the patients themselves are usually not isolated effectively, when the medical staff performs operations such as tracheal intubation, sputum aspiration care, noninvasive ventilator support, oral care, invasive ventilator assisted ventilation and the like on the patients, the exhaled air of the patients in the form of spray, respiratory tract particles, aerosol and the like can be sprayed on the protective tools or surrounding devices of the medical staff due to cough, speaking, respiration and the like, so that the effective use time limit of the protective tools can be reduced, the protective tools need to be replaced frequently, sickrooms and devices can be polluted, the risk of contact infection is increased, and particularly in the outbreak period of an epidemic situation, the shortage of various protective materials and isolation sickrooms is undoubtedly increased, the treatment cost and the risk of cross infection are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide an airway operation protection hood, the modern design, simple to use, it is more high-efficient to keep apart, can let medical personnel accomplish the airway operation in a flexible way outside the cover that has kept apart patient's respiratory track completely, greatly reduced medical personnel's infection risk, be particularly useful for the trachea cannula protection of the infectious disease patient of respiratory track infection to and this type of patient implements the part when having the wound or not having the wound respiratory support and keeps apart.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an air flue operation protection hood, including the confined cover body, set up in the handle hole of the cover body, be used for through the adaptation mouth of patient's head and be used for connecting the first connector of breathing circuit, cover the internal inside cavity that is used for holding patient's head that is provided with, be provided with in the handle hole be used for keeping apart the handle hole with the flexible isolation portion of inside cavity, the handle hole is used for passing through user's hand, first connector with inside cavity is linked together. When the mask is in actual use, the head of a patient can be placed into the inner cavity of the mask body through the adaptive opening, the inner cavity in the mask body forms a relatively closed space which can be communicated with a breathing loop by using the first connecting head so as to be convenient for the patient to breathe, when high-risk operations such as tracheal intubation, sputum aspiration, oral care and the like are carried out, the hand of a medical worker can extend into the mask body through the operation hole, the hand is isolated from the inner cavity by using the flexible isolating part, the hand of the medical worker can carry out all operations through the flexible isolating part, the whole operation process can keep the head of the patient isolated from the outside, and the exhaled droplets, respiratory particles, aerosol and the like of the patient due to cough, speaking, breathing and the like can not be sprayed onto the protective tool of the medical worker and can not cause pollution to the surrounding environment of a sickbed, so that the problems in the prior art can be effectively solved, but also can not hinder medical care personnel to carry out operations such as trachea cannula, sputum suction, oral nursing and the like on patients, and is particularly suitable for trachea cannula protection of infectious disease patients infected by respiratory tract and local isolation of the patients when invasive or non-invasive respiratory support is carried out.

Preferably, the flexible isolation part is an isolation bag arranged in the inner cavity, and an opening of the isolation bag is connected with the operation hole;

or the flexible isolation part is an isolation glove arranged in the inner cavity, and an opening of the isolation glove is connected with the operation hole. The isolation bag can adopt a columnar structure, and when the isolation bag is actually used, the flexible isolation part can play an isolation role and does not influence the operation of medical staff.

For the bimanualness, it is further, including two the handle hole, two handle hole set up respectively in the both sides of the cover body are used for respectively passing through left hand and right hand. So that the medical staff can operate with both hands, and the use is more convenient.

For the convenience of observing while operating by medical staff, the cover body is preferably made of transparent materials. Such as transparent plastic, transparent film, glass, etc.

Preferably, the first connecting head comprises an external connecting end which is arranged on the outer side of the mask body and used for being connected with a breathing circuit, and the external connecting end is matched with the breathing circuit and used for realizing that the external connecting end is detachably connected with the breathing circuit.

In order to facilitate the oxygen supply for the patient provided with the tracheal catheter, the oxygen supply device further comprises a connecting pipe arranged in the inner cavity, one end of the connecting pipe is communicated with the first connecting head, and the other end of the connecting pipe is provided with a detachable connecting characteristic matched with the tracheal catheter and used for realizing the detachable connection of the connecting pipe and the tracheal catheter. When using, after trachea cannula accomplished, medical personnel can pass through can dismantle connection characteristic is linked together connecting pipe and the endotracheal tube that sets up in patient's oral cavity department, simultaneously, is linked together the outside link of first connector and breathing return circuit to can reach the purpose that machinery ventilates.

Further, the connecting pipe is a telescopic pipe for use and storage. Such as corrugated or threaded tubing.

In order to facilitate sputum suction, the cover body is further provided with a second connector, the second connector comprises an external connector arranged on the outer side of the cover body and used for connecting a suction pipeline, and an internal connector arranged in the internal cavity and used for connecting a sputum suction pipe, the external connector is matched with the suction pipeline, and the internal connector is matched with the sputum suction pipe. The detachable connection is convenient to realize, so that medical staff can conveniently perform sputum suction operation on patients; can satisfy the demand of different situations again, it is more practical, for example, when what the one end of attracting the pipeline is connected is the sputum aspirator, can be convenient inhale the phlegm to the patient, when what the one end of attracting the pipeline is connected is negative pressure aspirator or air purifier, the internal air of cover can pass through the second connector discharge cover body, and carry out follow-up purification treatment, and when the patient does not need trachea cannula, also can give the patient oxygen suppliment through first connector, the exhalation waste gas that the patient produced, can discharge the cover body through the second connector, realize air cycle.

For the flexibility that improves the use, furtherly still includes communicating pipe, communicating pipe set up in the inside cavity, internal connection head set up in the one end of communicating pipe, the other end of communicating pipe with external connection head is linked together, communicating pipe is the hose. Through setting up communicating pipe, the activity space when can effectively increase the phlegm operation of inhaling to it inhales the phlegm operation to be more convenient for.

Further, the communicating pipe is a telescopic pipe. Such as corrugated or threaded tubing.

In order to facilitate the delivery of instruments required for tracheal intubation, sputum suction, oral care and other operations into the mask body, the mask body is further provided with a delivery hole which is communicated with the internal cavity and used for delivering medical instruments into the mask body, a sealing cover which is detachably connected is arranged at the delivery hole, and the sealing cover is used for opening/closing the delivery hole. So that the instruments needed during the operations of trachea intubation, sputum suction, oral nursing and the like can smoothly and conveniently enter the interior of the mask body through the object passing hole.

In order to prevent the air in the cover body from diffusing to the outside through the delivery hole as much as possible, a one-way valve for controlling the one-way passage of the medical apparatus is further arranged in the delivery hole, the one-way valve has elasticity, and the one-way valve is provided with an elastic opening or a plurality of elastic valves form an elastic opening in a surrounding mode. The one-way flap can be made of rubber or silica gel so as to enable the elastic opening to be in a closed state when not in use; when the medical instrument passes through the medical instrument, the elastic opening can be elastically deformed under the extrusion action of the medical instrument to be opened, the medical instrument can smoothly pass through the elastic opening, and after the medical instrument passes through the elastic opening, the elastic opening can be automatically closed under the action of the elastic force of the elastic opening, so that the air in the cover body can be prevented from diffusing to the outside through the delivery hole as much as possible.

For smooth and pollution-free medical apparatus and instruments used in the cover body, such as a sputum suction tube and the like, the cover body is further provided with a material taking hole and an end cover, the material taking hole is communicated with the internal cavity and used for sending the medical apparatus and instruments out of the cover body, the outer side of the cover body is further provided with a connecting cylinder, the connecting cylinder is communicated with the material taking hole, a one-way valve is arranged in the connecting cylinder and has elasticity, the one-way valve is provided with an elastic opening or is surrounded by a plurality of elastic valves to form an elastic opening, one end of the connecting cylinder far away from the cover body is provided with an external thread used for connecting the end cover, and the end cover is provided with an internal thread matched with the external thread. Accomplish trachea cannula, inhale phlegm, operation such as oral care after, used medical instrument can be smooth, convenient shifts out the cover body through getting the thing hole, and before shifting out, medical personnel can open the end cover earlier, then sheathe an isolation bag on the connecting cylinder, can directly get into the isolation bag through the connecting cylinder from the medical instrument who gets the thing hole and shift out, reach isolation medical instrument, avoid polluting the purpose, and through setting up one-way membrane flap, can avoid as far as possible at the in-process through medical instrument, the internal contaminated air of cover overflows the cover body through getting the thing hole.

In order to put the head into the cover body for a patient conveniently, and simultaneously, in order to realize the sealing of the neck, the neck-protecting cover further comprises a tightening part of a cylindrical structure, wherein the tightening part has elasticity, one end of the tightening part is connected with the adaptation port, and the tightening part is tightly attached to the skin of the neck of the patient through the elasticity of the tightening part. Both can reach the sealed effect of neck, avoid covering the internal gaseous pollutants of body to spread outside covering the body through the adaptation mouth, can realize flexonics again for the patient can have certain activity degree of freedom for the cover body, is favorable to the patient more comfortable.

In another kind of scheme, still include flexible connecting portion and sealing, the sealing including do not have elastic sealed outer lane with set up in the inside cyclic annular gasbag of sealed outer lane, cyclic annular gasbag is provided with the valve inside, and cyclic annular gasbag has elasticity, flexible connecting portion's one end with the adaptation mouth is linked together, the other end with sealed outer lane links to each other. In the scheme, the annular air bag can be expanded inwards after being inflated, so that the annular air bag is tightly attached to the skin of the neck of a patient, and the sealing effect is achieved.

Compared with the prior art, use the utility model provides a pair of air flue operation protection hood has following beneficial effect:

1. this protection hood compares in current protection casing, and the design is more novel, and is simple to use, keeps apart the high efficiency, and built-in operating glove can let medical personnel accomplish the air flue operation in a flexible way outside the cover body that has kept apart patient's respiratory track completely, has greatly reduced medical personnel's infection risk, is particularly useful for the trachea cannula protection of the infectious disease patient of infecting through the respiratory track to and this type of patient implements the local isolation when having the wound or not having the wound respiratory support.

2. The protective hood can enable the head of a patient to be arranged in a relatively closed space when medical care personnel carry out nasal catheter oxygen inhalation, mask oxygen inhalation, invasive or noninvasive breathing support on the infected patient, reduces the pollution of an infectious source to the ward environment, and can effectively prevent cross infection.

3. Compared with the prior art, the protective hood is only used for covering the head of a patient, has smaller and more ingenious volume and lower cost, and is suitable for high-risk operations such as tracheal intubation, sputum suction, oral care and the like on the patient.

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 view of a protective head cover according to an embodiment of the present invention.

Fig. 2 is a second schematic structural view of a protective head cover according to an embodiment of the present invention.

Fig. 3 is a schematic partial cross-sectional view of a protective headgear provided in an embodiment of the present invention.

FIG. 4 is a partial schematic view of a protective head cover according to an embodiment of the present invention.

Fig. 5 is a partial cross-sectional view of a protective headgear provided in an embodiment of the present invention.

FIG. 6 is a second partial schematic view of a protective headgear according to an embodiment of the present invention.

Fig. 7 is a view a-a of fig. 6.

Fig. 8 is a view B-B of fig. 6.

FIG. 9 is a partial schematic view of a detachable connection feature.

Description of the drawings

Cover body 101, bottom plate 102, end plate 103, side plate 104, top plate 105, internal cavity 106, operation hole 201, flexible isolation part 202,

A first connector 301, an external connection end 302, a connection tube 303, a detachable connection feature 304, an elbow 305, a first end 306, a second end 307, a flow channel 308, a first boss 309, a second boss 310, a third boss 311, a seal ring 312, a connection sleeve 313, a fourth boss 314, a fifth boss 315, a sixth boss 316, a hand wheel 317, a first connector, a second connector, a third connector, a fourth connector, a fifth boss 314, a sixth boss,

A delivery port 401, a sealing cap 402, a one-way flap 403, a flexible opening 404,

An adapting port 501, a tightening part 502, a flexible connecting part 503, a sealing outer ring 504, an annular air bag 505, a,

Second connector 601, external connector 602, internal connector 603, communicating pipe 604, object taking hole 701 and connecting cylinder 702.

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 3, in the present embodiment, an airway operation protective hood is provided, including a closed hood body 101, an operation hole 201 disposed in the hood body 101, an adaptation port 501 for passing through the head of a patient, and a first connection head 301 for connecting a breathing circuit, an internal cavity 106 for accommodating the head of the patient is disposed in the hood body 101, a flexible isolation portion 202 for isolating the operation hole 201 from the internal cavity 106 is disposed in the operation hole 201, the operation hole 201 is used for passing through the hand of a user (i.e., a medical care worker, which is not described in detail later), and the first connection head 301 is communicated with the internal cavity 106. In practical use, the head of the patient can be placed into the internal cavity 106 of the mask body 101 through the fitting port 501, the internal cavity 106 in the mask body 101 can form a relatively closed space, and the first connecting head 301 can be used to communicate with a breathing circuit, so that the patient can breathe; when high-risk operations such as tracheal intubation, sputum aspiration, oral care and the like are performed, the hand of a medical worker can extend into the cover body 101 through the operation hole 201, the hand is isolated from the inner cavity 106 by the flexible isolation part 202, the hands of the medical care personnel can carry out all operations through the flexible isolation part 202, the head of the patient can be kept isolated from the outside in the whole operation process, the droplets, respiratory tract particles, aerosol and the like exhaled by the patient due to cough, speaking, breathing and the like can not be splashed onto the protective tools of the medical care personnel, the pollution to the surrounding environment of the sickbed can not be caused, the problems in the prior art can be effectively solved, but also can not hinder medical care personnel to carry out operations such as trachea cannula, sputum suction, oral nursing and the like on patients, and is particularly suitable for trachea cannula protection of infectious disease patients infected by respiratory tract and local isolation of the patients when invasive or non-invasive respiratory support is carried out.

The cover body 101 may be made of various materials, and for convenience of observing while operating by medical staff, as a preferred scheme, the cover body 101 may be made of a transparent material preferentially, such as transparent plastic, a transparent film, glass, and the like, and when a transparent film is used, the cover body 101 further needs to be provided with a supporting framework due to poor rigidity of the transparent film, and the transparent film may be tightened on the outer side of the supporting framework, so as to enclose the internal cavity 106; since the transparent plastic, the glass, and the like have certain rigidity, the internal cavity 106 can be enclosed without a supporting framework, as shown in fig. 3, which is not described herein again.

The cover body 101 may have various shapes and structures, and only needs to be stably placed on a hospital bed and cover the head of a patient, as a priority, the housing 101 may take the form of a rectangular parallelepiped, cylindrical, hemispherical, truncated pyramid, etc., preferably, in this embodiment, the cover 101 is of a prismatic structure, and in particular, as shown in figures 1-3, the cover body 101 is enclosed by a bottom plate 102, two end plates 103, two side plates 104 and a top plate 105, the operation hole 201 and the first connection head 301 are respectively arranged on the side plate 104, the adapting port 501 is arranged on one of the end plates 103, as shown in fig. 1 or fig. 2, the top plate 105 may be an arc-shaped plate, or may include at least one arc-shaped plate or an obliquely arranged flat plate, as shown in fig. 1 or fig. 2, for the convenience of the medical staff to observe.

The flexible isolation portion 202 has various embodiments, and by way of example, the flexible isolation portion 202 may be an isolation bag disposed in the internal cavity 106, and an opening of the isolation bag is connected to the operation hole 201; as shown in fig. 3, the isolation bag is a columnar structure, and may be made of rubber preferentially, so that when in actual use, the flexible isolation portion 202 can play an isolation role, and does not affect the operation of medical staff; as another example, the flexible isolation portion 202 may also be an isolation glove disposed in the internal cavity 106, an opening of the isolation glove is connected to the operation hole 201, and the glove has a certain length and can wrap a hand of a medical staff or an arm of the medical staff, so that the hand of the medical staff can flexibly perform various operations in the cover 101.

As shown in fig. 3, for the operation of both hands, this protective hood includes two handle hole 201, two handle hole 201 are first handle hole 201 and second handle hole 201 respectively, first handle hole 201 and second handle hole 201 set up respectively in the both sides of the cover body 101 are used for respectively through left hand and right hand to medical personnel carry out both hands operation, it is more convenient to use.

In this embodiment, the first connection head 301 includes an external connection end 302 disposed outside the mask body 101 and used for connecting a breathing circuit, and the external connection end 302 is adapted to the breathing circuit and used for detachably connecting the external connection end 302 with the breathing circuit; for example, the end of the breathing circuit of the existing ventilator is usually screwed, so in this embodiment, the external connection end 302 is provided with a screw thread adapted to the breathing circuit, so as to realize the screw thread connection, thereby providing oxygen to the patient by using the ventilator.

In order to facilitate oxygen supply for a patient provided with a tracheal catheter, as shown in fig. 3, in a further embodiment, the protective hood further includes a connecting pipe 303 disposed in the internal cavity 106, the connecting pipe 303 preferably adopts a hose, one end of the connecting pipe 303 is communicated with the first connecting head 301, and the other end is provided with a detachable connection feature 304 adapted to the tracheal catheter (the tracheal catheter is inserted into the patient during tracheal intubation and used for a tube for ventilating the patient, which will not be described in detail later) for detachable connection of the connecting pipe 303 and the tracheal catheter. When in use, after the endotracheal intubation is completed, the medical staff can communicate the connection tube 303 with the endotracheal tube disposed at the oral cavity of the patient through the detachable connection feature 304, and at the same time, communicate the external connection end 302 of the first connection head 301 with the breathing circuit, thereby achieving the purpose of mechanical ventilation. As an example, the end of the endotracheal tube is provided with a thread (external thread or internal thread), and the detachable connection feature 304 is a thread (internal thread or external thread) matched with the thread, so that the connection can be realized and the detachment is convenient; as another example, the connection tube 303 may be an existing detachable connection feature 304, and may be a standard breathing tube dedicated to an existing anesthesia machine and a respirator, and the detachable connection feature 304 may also be an existing standard connector; to facilitate easier operation in actual use, as shown in fig. 3 and 9, in a further aspect, the detachable connection feature 304 includes an elbow 305, a first end 306 of the elbow 305 is movably connected to the connection pipe 303, the elbow 305 can rotate 360 degrees along a circumferential direction of a central axis of the connection pipe 303, a second end 307 of the elbow 305 is provided with a movably connected connection sleeve 312, the connection sleeve 313 can rotate 360 degrees relative to the elbow, a feature adapted to the endotracheal tube is provided in the connection sleeve 313, the feature can be an internal thread, a conical head, or the like, and the first end 306 and the second end 307 are communicated through a flow passage 308 provided in the elbow 305; in order to realize movable connection and sealing, as shown in fig. 9, the first end 306 is provided with a first boss 309 and a second boss 310 protruding outwards, a clamping groove is formed between the first boss 309 and the second boss 310, a third boss 310 protruding inwards is arranged inside the connecting pipe 303, the first end 306 is inserted into the connecting pipe 303, the third boss 311 is located in the clamping groove, and a sealing ring 312 is arranged in the clamping groove between the first boss 309 and the third boss 311, so that the detachable connecting feature 304 can rotate relative to the connecting pipe 303 and can realize good sealing;

similarly, as shown in fig. 9, a fourth boss 314 protruding outward is disposed on the outer side of the second end 307, a fifth boss 315 and a sixth boss 316 protruding inward are disposed on the upper end of the connecting sleeve 313, a clamping groove is formed between the fifth boss 315 and the sixth boss 316, the second end 307 is inserted into the connecting sleeve 313, the fourth boss 314 is located in the clamping groove, the end of the second end 307 abuts against the sixth boss 316, a sealing ring 312 is disposed in the clamping groove between the fourth boss 314 and the sixth boss 316, the feature portion is disposed at the lower end of the connecting sleeve 313, and a handwheel 317 is further disposed on the outer side of the upper end of the connecting sleeve 313, so that the connecting sleeve 313 can rotate relative to the elbow 305 to connect with the endotracheal tube and achieve good sealing.

Preferably, as shown in fig. 9, the included angle between the first end and the second end is 90 degrees, that is, the elbow is a right-angled elbow, which is more convenient for connecting the endotracheal tube.

For convenience of use and storage, in a further aspect, the connecting tube 303 may preferably be a telescopic tube, such as a corrugated tube or a threaded tube, so as to meet the requirements of different lengths.

In order to close the first connector 301, an end cap is further included, and the end cap is detachably disposed on the external connection end 302 through threads, which is not described herein again.

In order to facilitate the delivery of the instruments required for the endotracheal intubation, sputum suction, oral care and the like into the mask body 101, in a further embodiment, the mask body 101 is further provided with a delivery hole 401, as shown in fig. 1 and 3, the delivery hole 401 is communicated with the internal cavity 106 for delivering the medical instruments (such as endotracheal tube and the like) into the mask body 101, a sealing cover 402 detachably connected is disposed at the delivery hole 401, and the sealing cover 402 is used for opening/closing the delivery hole 401, so that the instruments required for the endotracheal intubation, sputum suction, oral care and the like can smoothly and conveniently enter the interior of the mask body 101 through the delivery hole 401.

In order to prevent the air in the cover 101 from diffusing to the outside through the delivery hole 401 as much as possible, in a further embodiment, a one-way flap 403 for controlling the medical device to pass through in one way is disposed in the delivery hole 401, the one-way flap 403 has elasticity, and the one-way flap 403 is provided with an elastic opening 404 as shown in fig. 4, or a plurality of elastic flaps enclose an elastic opening 404 as shown in fig. 6 and 7, so that the medical device can conveniently enter the cover 101, but the air in the cover 101 is not easily diffused; the one-way flap 403 may be made of rubber or silicone to have good elasticity, allowing the elastic opening 404 to be in a closed state when not in use; when the medical instrument passes through the medical instrument, the elastic opening 404 can be elastically deformed to be opened under the extrusion action of the medical instrument, so that the medical instrument can smoothly pass through the elastic opening 404, and after the medical instrument passes through the elastic opening 404, the elastic opening 404 can be automatically closed under the action of the elastic force of the elastic opening 404, so that the air in the cover body 101 can be prevented from being diffused to the outside through the object delivery hole 401 as much as possible.

As an example, a one-way flap 403 is disposed in the delivery hole 401, the one-way flap 403 may be a flat plate structure, as shown in fig. 4, the elastic opening 404 is a slit disposed in the middle of the one-way flap 403, and opens under the squeezing action of an external force to generate an elastic force, and automatically recovers after the external force disappears to automatically close the elastic opening 404; further, the one-way flap 403 may be recessed into the cover 101, as shown in fig. 5, and the elastic opening 404 is disposed at the bottom of the one-way flap 403, which may also achieve the same effect, and is not described herein again.

As another example, two one-way petals 403 are disposed in the delivery hole 401, one ends of the two one-way petals 403 are connected and enclosed into a ring, and are connected to the delivery hole 401, as shown in fig. 6 and 7, the other ends of the two one-way petals 403 are pressed against each other to form the elastic opening 404, under the squeezing action of an external force, the two one-way petals 403 are separated towards two sides, so that the elastic opening 404 is opened and generates an elastic force, and after the external force disappears, the two one-way petals 403 automatically recover and realize the automatic closing of the elastic opening 404.

In order to facilitate the patient to put the head into the cover body 101, and simultaneously to realize the sealing of the neck, in the first scheme that this embodiment provided, this protective hood still includes tubular structure's tightening part 502, tightening part 502 has elasticity, the one end of tightening part 502 with adaptation mouth 501 links to each other, and the skin of patient's neck is hugged closely through self elasticity to tightening part 502, as shown in the figure, both can reach the sealed effect of neck, avoids the inside polluted gas of cover body 101 to diffuse outside the cover body 101 through adaptation mouth 501, can realize flexible connection again for the patient can have certain degree of freedom of movement for the cover body 101, is favorable to the more comfortable of patient. It can be understood that the tightening part 502 may be made of elastic cloth, and in order to enhance the sealing effect, an elastic band with a ring structure is further disposed at one end of the tightening part 502 away from the cover 101, so as to tighten the tightening part 502 on the neck of the patient, thereby achieving a better sealing effect.

In another scheme, as shown in fig. 8, the valve further includes a flexible connecting portion 503 and a sealing portion, the sealing portion includes a sealing outer ring 504 without elasticity (for example, the sealing outer ring 504 may be made of a cloth without elasticity so as to make the sealing outer ring 504 flexible) and an annular air bag 505 disposed inside the sealing outer ring 504, the annular air bag 505 is provided with a valve core, and the annular air bag 505 has elasticity, one end of the flexible connecting portion 503 is communicated with the adapting port 501, and the other end is connected with the sealing outer ring 504; before the use, firstly, the air in the annular air bag 505 is discharged by the valve core, so that the head of a patient can smoothly enter the cover body 101 through the sealing part, the flexible connecting part 503 and the adapting port 501, then the sealing outer ring 504 is moved to a proper position, so that the annular air bag 505 can correspond to the neck of the patient, finally, the valve core is used for inflating the annular air bag 505, and the annular air bag 505 is restricted by the sealing outer ring 504 and can only expand inwards, so that the skin of the neck of the patient can be removed and attached tightly, and the sealing effect is achieved.

In a more sophisticated version, since the head of the patient will contact the base plate 102 of the enclosure 101, the upper surface of the base plate 102 is provided with a cushion or the base plate 102 is provided with a head rest to improve comfort.

Example 2

In order to facilitate the sputum suction operation, in the protective head cap provided in this embodiment, the cap body 101 is further provided with a second connector 601, as shown in fig. 1-3, the second connector 601 includes an external connector 602 disposed outside the cap body 101 and used for connecting a suction pipe, and an internal connector 603 disposed inside the internal cavity 106 and used for connecting a sputum suction pipe, the external connector 602 is adapted to the suction pipe, and the internal connector 603 is adapted to the sputum suction pipe. The detachable connection is convenient to realize, so that medical staff can conveniently perform sputum suction operation on patients; the demand of different situations can be satisfied again, it is more practical, for example, when what the one end of suction pipeline was connected is the sputum aspirator, can be convenient inhale the phlegm to the patient, when what the one end of suction pipeline was connected is negative pressure aspirator or air purifier, the air in the cover body 101 can be through the second connector 601 exhaust cover body 101 to carry out follow-up purification treatment, and when the patient does not need trachea cannula, also can be through first connector 301 for the oxygen suppliment of patient, the exhalation waste gas that the patient produced, can be through the second connector 601 exhaust cover body 101, realize air cycle.

For example, as shown in fig. 1 to fig. 3, in this embodiment, the first connector 301 and the second connector 601 are respectively disposed on the side plates 104 on two sides of the cover 101, so as to facilitate circulation of air in the cover 101 when the first connector and the second connector cooperate to form air circulation; when attracting the pipeline and being provided with screw thread (external screw thread or internal thread), external connection head 602 be provided with screw thread (internal thread or external screw thread) of screw thread looks adaptation to with attract the pipeline to realize dismantling the connection, on the same hand, when inhaling phlegm pipe and being provided with screw thread (external screw thread or internal thread), internal connection head 603 be provided with the screw thread (internal thread or external screw thread) of screw thread looks adaptation, so that with inhale phlegm pipe and realize dismantling the connection, this is no longer repeated.

In order to improve the flexibility of use, in a further scheme, this protective hood still includes communicating pipe 604, as shown in fig. 3, communicating pipe 604 set up in the interior cavity 106, internal connection head 603 set up in the one end of communicating pipe 604, the other end of communicating pipe 604 with external connection head 602 is linked together, communicating pipe 604 is the hose to change the position of internal connection head 603 as required, through setting up communicating pipe 604, can effectively increase the activity space when inhaling the phlegm operation, thereby be more convenient for inhale the phlegm operation.

In a more perfect scheme, the communication pipe 604 may also be a telescopic pipe, such as a corrugated pipe or a threaded pipe, which is not described herein.

Example 3

In order to smoothly and pollution-free take out medical instruments such as a sputum suction tube used in the cover body 101, in the protective hood provided in this embodiment, the cover body 101 is further provided with a material taking hole 701 and an end cap, the material taking hole 701 is communicated with the internal cavity 106 and used for sending the medical instruments out of the cover body 101, the outer side of the cover body 101 is further provided with a connecting cylinder 702, the connecting cylinder 702 is communicated with the material taking hole 701, a one-way flap 403 is arranged in the connecting cylinder 702, the one-way flap 403 has elasticity, the one-way flap 403 is provided with an elastic opening 404 as shown in fig. 2, or a plurality of elastic flaps enclose an elastic opening 404, one end of the connecting cylinder 702, which is far away from the cover body 101, is provided with an external thread for connecting the end cap, and the end cap is provided with an internal thread adapted to the external thread. After the operations of trachea intubation, sputum suction, oral care and the like are completed, the used medical apparatus can be smoothly and conveniently moved out of the cover body 101 through the object taking hole 701, before the medical apparatus is moved out, the end cover can be opened by medical personnel firstly, then an isolation pocket is sleeved on the connecting cylinder 702, the medical apparatus moved out of the object taking hole 701 can directly enter the isolation pocket through the connecting cylinder 702, and finally the opening of the isolation pocket is fastened, so that the purposes of isolating the medical apparatus and avoiding pollution can be achieved, and by arranging the one-way membrane valve 403, the phenomenon that the polluted air in the cover body 101 overflows out of the cover body 101 through the object taking hole 701 in the process of passing through the medical apparatus can be avoided as much as possible.

For example, as shown in fig. 1 to fig. 3, the delivery hole 401 and the fetching hole 701 may be respectively disposed on the side plates 104 at two sides of the cover 101 so as to achieve an in-and-out function, and the structures of the one-way flap 403 in the delivery hole 401 and the fetching hole 701 may be the same, but the installation directions are opposite, and are not described herein again.

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 an air flue operation protection hood, its characterized in that, including the confined cover body, set up in the handle hole of the cover body, be used for through the adaptation mouth of patient's head and be used for connecting respiratory loop's first connector, cover internal being provided with and be used for holding the inside cavity of patient's head, be provided with in the handle hole be used for keeping apart the handle hole with the flexible isolation portion of inside cavity, the handle hole is used for passing through user's hand, first connector with inside cavity is linked together.

2. The airway manipulation protective hood of claim 1 wherein said flexible barrier is a barrier bag disposed within said interior cavity, said barrier bag having an opening connected to said manipulation orifice;

or the flexible isolation part is an isolation glove arranged in the inner cavity, and an opening of the isolation glove is connected with the operation hole.

3. The airway operational protective hood of claim 1 wherein the first connector comprises an external connector disposed on an exterior of the hood body for connection to a breathing circuit, the external connector adapted to the breathing circuit for detachable connection of the external connector to the breathing circuit.

4. The airway operation protective hood of claim 3, further comprising a connecting tube disposed in the interior cavity, wherein one end of the connecting tube is in communication with the first connector, and the other end is provided with a detachable connection feature adapted to the endotracheal tube for detachable connection of the connecting tube to the endotracheal tube.

5. An airway manipulation protective hood according to claim 4 wherein the connecting tube is a telescopic tube.

6. The airway operation protective hood of claim 1, wherein the hood body is further provided with a second connector, the second connector comprises an external connector arranged outside the hood body and used for connecting a suction pipeline, and an internal connector arranged in the internal cavity and used for connecting a sputum suction pipe, the external connector is matched with the suction pipeline, and the internal connector is matched with the sputum suction pipe.

7. The airway operation protective hood according to claim 6, further comprising a communicating tube, wherein the communicating tube is disposed in the inner cavity, the inner connector is disposed at one end of the communicating tube, the other end of the communicating tube is communicated with the outer connector, and the communicating tube is a hose.

8. An airway manipulation protective hood according to any of claims 1 to 7 wherein the hood body is further provided with a delivery aperture in communication with the interior cavity for delivering medical devices into the interior of the hood body, the delivery aperture being provided with a releasably attached sealing cap for opening/closing the delivery aperture.

9. An airway manipulation protective hood according to claim 8 wherein the delivery orifice has a one-way flap disposed therein for controlling the one-way passage of a medical device, wherein the one-way flap is resilient and wherein the one-way flap is provided with a resilient opening or wherein a plurality of resilient flaps enclose a resilient opening.

10. The airway operation protective hood of claim 8, further comprising a tightening part with a cylindrical structure, wherein the tightening part has elasticity, one end of the tightening part is connected with the adapting port, and the tightening part is tightly attached to the skin of the neck of the patient through the elasticity of the tightening part;

or, still include flexible connection portion and sealing, the sealing including do not have elastic sealed outer lane with set up in the inside cyclic annular gasbag of sealed outer lane, cyclic annular gasbag is provided with the valve inside, and cyclic annular gasbag has elasticity, flexible connection portion's one end with the adaptation mouth is linked together, the other end with sealed outer lane links to each other.

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