CN109498325B

CN109498325B - Negative pressure isolation transfer cabin

Info

Publication number: CN109498325B
Application number: CN201910013439.0A
Authority: CN
Inventors: 毕研强
Original assignee: Laiwu Vocational and Technical College
Current assignee: Laiwu Vocational and Technical College
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2020-12-08
Anticipated expiration: 2039-01-07
Also published as: CN109498325A

Abstract

The invention discloses a negative pressure isolation transfer cabin, and mainly relates to the field of clinical medical equipment. Comprises a stretcher module, a frame module, an isolation module and a filtering module; the filtering module comprises a separation membrane with a cuboid closed cavity; the filtering module is arranged on the isolating membrane and used for enabling the cavity in the isolating membrane to form micro negative pressure and filtering air flow exhausted from the cavity; the stretcher module is detachably and slidably connected with the frame module; the frame module includes 3~8 slip frames, and the slide opening frame can be folded, and the isolation module is fixed in the frame module. The invention has the beneficial effects that: can be compressed and folded into a smaller size in volume, is convenient to be arranged in the occasions such as ambulances, outpatients and the like, has limited space conditions and is often applied to the occasions of patients with high infection.

Description

Negative pressure isolation transfer cabin

Technical Field

The invention relates to the field of clinical medical equipment, in particular to a negative pressure isolation transfer cabin.

Background

Many highly contagious patients need to be transported after a confirmed diagnosis or during diagnosis, and in order to ensure the health and safety of public environments and the health of medical staff, isolation and protection are needed for the patients during the transportation process to prevent the spread of pathogens. It is unknown whether the patient is highly contagious before the diagnosis is confirmed. Therefore, it is necessary to dispose isolation devices in various medical places, such as ambulances, outpatients, etc., to quickly achieve isolation and avoid further diffusion after the disease condition and epidemic situation are discovered. This first time isolation is very critical! However, the existing isolation devices (such as isolation stretchers) are large in size. The system can only be configured in a special mechanism in a hospital, and needs to be called between departments and areas when the system needs to be used, so that the isolation efficiency is very delayed.

Disclosure of Invention

The invention aims to provide a negative pressure isolation transfer cabin, which is realized by the following technical scheme:

the negative pressure isolation transfer cabin comprises a stretcher module, a frame module, an isolation module and a filtering module;

the filtering module comprises an isolating membrane with a cuboid closed cavity, and a waterproof zipper is arranged on the isolating membrane and used for opening the isolating membrane into an opening which can be accessed by a transporter;

the filtering module is arranged on the isolating membrane and used for enabling the cavity in the isolating membrane to form micro negative pressure and filtering air flow discharged from the cavity;

the stretcher module comprises supporting tubes arranged on the peripheral sides and supporting plates fixed on the inner sides of the supporting tubes, and track rods are arranged on the bottom sides of the supporting tubes along the length direction of the supporting tubes;

the frame module comprises 3-8 sliding frames, and each sliding frame comprises a sliding table, a supporting rod, a folding rod and an auxiliary rod; the stretcher module comprises a stretcher module, a sliding table, a supporting rod, a folding rod, a limiting block, an auxiliary rod and a limiting block, wherein the two ends of the sliding table are detachably connected to a track rod in a sliding manner, the supporting rod is fixed at the two ends of the sliding table and vertically arranged upwards, the bottom end of the folding rod is hinged and matched with the top end of the supporting rod, the top of the folding rod is provided with the limiting block, the auxiliary rod is of a straight rod structure transversely arranged above the stretcher module, a strip-shaped groove is formed in the length direction; the outer wall of the isolation membrane is correspondingly fixed on the auxiliary rod and/or the folding rod according to the position.

Furthermore, the filtering module comprises a negative pressure airflow device with a battery, a filter, an exhaust pipe, a replacement bag and an air inlet valve;

the air inlet valve is arranged on the isolating membrane and used for the air flow to enter;

the negative pressure airflow device is connected with a filter, and the filter is communicated with a cavity in the isolating membrane through an exhaust pipe and is used for extracting and filtering airflow;

the replacement pack is for use with a filter.

Furthermore, the sliding frame sets up 5 groups, and the relative barrier film equidistance is fixed after expanding, and the sliding frame that wherein is located both ends is fixed at the both ends of barrier film.

Furthermore, hand holes are formed in the end points of the four corners of the supporting tube.

Further, the stretcher module comprises a first frame body, a second frame body and a third frame body which are sequentially hinged.

Compared with the prior art, the invention has the beneficial effects that:

the invention can be compressed and folded into a smaller size in volume by splitting and folding, is smaller and exquisite compared with any similar device in the prior art, is convenient to be configured in ambulances, outpatients and the like, has limited space conditions, and is often applied to occasions with patients with high infection. Can ensure timely isolation once confirmed, and avoid further pathogen diffusion caused by configuration problems. Get first hand in time.

Drawings

FIG. 1 is a schematic diagram of the present invention in combination.

FIG. 2 is a schematic representation of the skeletal structure of the present invention.

Fig. 3 is a schematic view of the folded state of the slide frame of the present invention.

Fig. 4 is a schematic view of a frame module of the present invention in a stowed state.

Fig. 5 is an enlarged view of the sliding frame of the present invention.

Reference numerals shown in the drawings:

1. an isolation film; 2. a first frame body; 3. a second frame body; 4. a third frame body; 5. supporting a tube; 6. an articulation member; 7. a track rod; 8. a sliding table; 9. a support bar; 10. a folding bar; 11. an auxiliary lever; 12. a fixing member; 13. and a limiting block.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

Example 1: the negative pressure isolation transport cabin is mainly used for safe isolation transport of major infectious patients, cuts off the transmission path of pathogens, prevents epidemic situations from further spreading, prevents the external environment from being polluted, and reduces the infection probability of healthy public.

The transmission path of the infection source is blocked in the process of transmitting the infectious virus patient through aerosol (air), and the hidden danger that medical care personnel and surrounding people are infected is reduced to the maximum extent. Is particularly suitable for the intensive crowd and the intensive infectious disease hospital fever outpatient service, the emergency treatment center and the infectious disease hospital. Various entry and exit ports, airports and wharf stations can play emergency roles of temporary isolation and effective control after being equipped by disease and epidemic prevention control centers.

The concrete structure is as follows:

comprises a stretcher module, a frame module, an isolation module and a filtering module;

the isolation module comprises an isolation membrane 1, the isolation membrane 1 is a closed PU membrane cover body with a cuboid cavity, and four sealed operation ports are arranged on the isolation membrane 1 and used for carrying out simple nursing and intervention on a patient to be transported. One end of the isolating membrane 1 is provided with a door-shaped waterproof zipper for opening the space inside the isolating membrane 1, so that a patient can conveniently enter the isolating membrane.

The filtering module comprises a negative pressure airflow device with a battery, a filter, an exhaust pipe, a replacement bag and an air inlet valve.

The replacement package is used for replacing the filter element in the filter, and the modular design is convenient to replace in time, so that the filtering effect is guaranteed. The output end of the negative pressure air flow device is connected with the negative pressure air flow device, the input end of the negative pressure air flow device is connected with the cavity in the isolating membrane 1 through the exhaust pipe, the negative pressure air flow device exhausts air outwards, air flow in the cavity is introduced into the filter, and then the negative pressure environment (compared with the outside of the cabin) can be formed in the cabin when the air flow is exhausted to the outside environment, so that the pathogenic microorganism infection source can be prevented from leaking out of the cabin from the inside of the cabin.

The air inlet valve is arranged on the isolating membrane 1 and used for naturally entering fresh air to keep the air smooth when the negative pressure airflow device operates. The vacuum valve is opened when in use and can be closed when not in use in order to be matched with the negative pressure airflow device for vacuum pumping.

And a pressure sensor is arranged in the isolating membrane 1 and used for controlling the micro negative pressure to be within a preset range value. The formation of micro negative pressure is ensured, the patient can obtain sufficient fresh air, simultaneously, the polluted gas generated by the patient in the isolation cabin is ensured not to leak out of the cabin, and the medical care personnel can observe the vital signs of the patient and perform primary rescue from the outside of the isolation cabin. The device has safe and reliable performance, is simple and convenient to use, and has more obvious effect on treating local and single sudden infectious disease events.

The stretcher module is mainly used for providing support for a patient and providing an attached main body frame structure for the whole cabin body. Based on the priority of carrying space, the stretcher module part is a fixed frame, so that the stretcher is inconvenient to carry due to the fact that the length of the stretcher is nearly two meters, which makes the stretcher difficult to conveniently pass in and out of a curved corridor and pass through a doorway. So in this design, through being folding structure with the design of stretcher module, specifically do, design the stretcher module: hand holes are arranged between the supporting tube 5 and the supporting plate at four end points of the stretcher module. Including first support body 2, second support body 3, third support body 4, first support body 2, second support body 3, third support body 4 are the outside side and set up stay tube 5, and set up the stereoplasm stretcher structure of backup pad in the stay tube 5. The supporting tubes 5 comprise a front U-shaped tube (arranged on the first frame body 2), a rear U-shaped tube (arranged on the third frame body 4), straight tubes arranged in parallel left and right (arranged on two sides of the second frame body 3),

first support body 2, second support body 3, third support body 4 loop through articulated elements 6 and articulate the connection, the inner of preceding U type pipe top surface, the inner of back U type pipe top surface, the both ends of the top surface of straight tube all are equipped with the hinge groove, the both ends of articulated elements 6 articulate respectively in the hinge inslot that corresponds.

Make the stretcher when carrying, can all fifty percent discount the first support body 2 of both sides and third support body 4 on the second support body 3, holistic length is about 1/3 of preceding length, conveniently carry to take and carry. When the first support body 2, the second support body 3 and the third support body 4 are in a flattened state, the hinge piece 6 and the hinged support body are limited and fixed through the spring pin.

The bottom sides of the supporting tubes 5, namely the bottom sides of the front U-shaped tube, the rear U-shaped tube and the straight tube, are provided with track rods 7 which are flush and correspond to each other along the length direction on the left side and the right side of the stretcher module, and the bottom sides of the track rods 7 are in an inverted T-like shape and used for being matched with the frame module.

The frame module includes five sets of sliding frames, the sliding frames include: a sliding table 8, a support rod 9, a folding rod 10 and an auxiliary rod 11;

the slip table 8 includes the slider at link and both ends, link up in the slider and be equipped with the slide of opening in the top side, the slide cooperatees with track pole 7 and uses, can slide along track pole 7, track pole 7 expandes the back, and the track pole 7 of first support body 2, second support body 3, third support body 4 bottom side is preceding the back towards neat, makes slip table 8 can be along the length direction of stretcher module freely adjusting relative position around.

The utility model discloses a vertical fixing of bracing piece 9 is on slip table 8, the top of bracing piece 9 is equipped with articulated seat, folding rod 10 is the straight-bar, and its bottom articulates on articulated seat, the inboard of folding rod 10 is equipped with fixing part 12 that is used for fixed barrier film 1, fixing part 12 is the loop forming element. The auxiliary rod 11 is a straight rod piece transversely arranged above the stretcher module, the auxiliary rod 11 is provided with a transverse strip-shaped groove along the length direction,

the top of folding rod 10 is equipped with the arc spare, the arc spare is curved plate, the outside radian of hunch-up of arc spare is 90 degrees for prevent to have the dog-ear, bruise medical personnel. The inner of arc spare is equipped with stopper 13, stopper 13 runs through the bar groove and can slide in the bar inslot.

The bottom side of said auxiliary bar 11 is also provided with a fixing 12 for fixing the insulation module.

The folding rod 10 and the supporting rod 9 are limited in the relative same direction through a spring pin.

Folding rod 10 can be folding inwards relatively, and the stopper 13 at folding rod 10 top of both sides slides inwards relatively when folding, draws in to the structure like figure 3, combines a plurality of sliding frame to come together, packs up to the example of figure 4, realizes the significantly reduced of whole braced frame's volume, and folding effect is very showing, compares that any one of the existing mode of folding up all will be the superior effect.

The three modules of frame module, isolation module, filtration module form one and can contract into length within 30cm in length direction, and thickness passes through the inside folding in folding rod 10 top, at the evacuation of cooperation negative pressure air current device, can form the thickness within 20cm, compares any kind of isolation cabin that has now and all will conveniently carry. Meanwhile, the stretcher unit can be independently folded into a three-folding structure. The two are carried and stored separately, which improves the portability and the use flexibility.

In conjunction with the method of use, further explanation follows:

when the stretcher is required to be carried, the frame module fixed with the isolation module and the filtering module can be taken down from the stretcher module, folded into a compression bag, folded into three parts and bound by a binding belt, and the stretcher is convenient to carry.

When the isolation chamber arrives at the site or medicine is taken, the isolation membrane 1 is ventilated and unfolded into an extensible structure, then the sliding tables 8 of the sliding frame are inserted into the track rods 7 one by one in a one-to-one correspondence mode, the isolation chamber can be assembled, after the condition that a filter bag in a filter is free of problems is checked, a negative pressure value is set, the negative pressure airflow device is started, a negative pressure environment in the sealed chamber body can be established and maintained by the efficient exhaust filtering system, fresh air enters the chamber through the air inlet after primary filtering, and polluted air in the chamber can only be exhausted to the external environment through the air outlet after efficient filtering, so that effective directional air flow is formed. Not only has effective protection effect on medical care personnel, but also can provide relatively comfortable environment for patients.

Claims

1. The negative pressure isolation transfer cabin is characterized by comprising a stretcher module, a frame module, an isolation module and a filtering module;

the filtering module comprises an isolating membrane with a cuboid closed cavity, a waterproof zipper is arranged on the isolating membrane, and the waterproof zipper is used for opening the isolating membrane to form an opening which can be accessed by a transporter;

2. The negative pressure isolation transport cabin of claim 1, wherein the filtering module comprises a negative pressure airflow device with a battery, a filter, an exhaust pipe, a replacement bag and an air inlet valve;

the replacement pack is for use with a filter.

3. The negative pressure isolated transfer module of claim 1, wherein the sliding frames are arranged in 5 groups and are fixed at equal intervals relative to the isolation membrane after being unfolded, and the sliding frames at two ends are fixed at two ends of the isolation membrane.

4. The negative pressure isolation transport cabin of claim 1, wherein hand holes are formed at the four corners of the supporting tube.

5. The negative pressure isolated transfer cabin of claim 1, wherein the stretcher module comprises a first frame body, a second frame body and a third frame body which are sequentially hinged.