KR20220097779A - Negative pressure chamber device with oxygen generator - Google Patents

Abstract

The present invention relates to a negative-pressure chamber apparatus with an oxygen generator. The apparatus comprises: a chamber body that provides a space for accommodating a patient and is opened and closed by a zipper; a negative chamber partially fixated to the chamber body and having a protection cover for surrounding and protecting the chamber body; a negative-pressure maintainer installed on one side of the chamber body and filtering and exhausting air inside the chamber body to keep the pressure inside the chamber body lower than the atmospheric pressure; and an oxygen generator mounted on the opposite side of the negative-pressure maintainer with the chamber body disposed therebetween and generating oxygen to supply the oxygen into the chamber body. The negative-pressure chamber apparatus with the oxygen generator according to the present invention as described above does not require that a separate oxygen cylinder is inconveniently carried and makes use convenient because the oxygen generator is integrally provided in the negative-pressure chamber and continuously supplies the oxygen, and in particular, is high in reliability by stably supplying the oxygen. In addition, by the supporters on which the negative-pressure maintainer and the oxygen generator are installed, the present invention maintains the negative chamber in a state of being stretched and unfolded so that the shape of the negative-pressure chamber is prevented from being distorted due to the gravity even over time. In addition, the present invention includes an opening and closing type protective cover to have no fear of being torn during use, thereby being used safely in harsh environments.

Description

Negative pressure chamber device with oxygen generator

The present invention relates to a negative pressure chamber, and more particularly, to a negative pressure chamber apparatus equipped with an oxygen generator, in which an oxygen generator is integrally mounted, and there is no need to connect a separate oxygen cylinder or replace an oxygen cylinder, which is easy to use.

With the development of transportation means, in the modern society where movement between countries has become commonplace, the spread of infectious viruses has become an unavoidable international social problem. It is only a matter of time for a virus that originated from the other side of the world to enter Korea.

As is known, in order to prevent the spread of a virus that has already started to spread, isolation of the virus carrier is essential. For example, since the COVID-19 virus is highly contagious, patients who test positive are transferred to an isolated facility with the help of medical personnel.

A negative pressure room installed in a medical institution is a space that prevents indoor viruses, aerosols, or pathogens from leaking out together with air without permission by maintaining the air pressure inside the room lower than the air pressure outside. The air in the hospital room is exhausted only after it has been purified through sterilization and filtering processes.

A movable negative pressure chamber is used in the process of transferring a virus-infected carrier (hereinafter referred to as a patient) to a negative pressure room. The movable negative pressure chamber is a kind of bag made of waterproof fabric, and provides an enclosed space where the patient can lie down. The patient is placed in a cart and transported to a medical institution while lying in a negative pressure chamber.

In general, at one side of the negative pressure chamber, a negative pressure maintainer for maintaining the pressure inside the negative pressure chamber lower than atmospheric pressure is installed. The negative pressure maintainer sucks in the air inside the negative pressure chamber, filters it, and then discharges it to the atmosphere. Also, an oxygen cylinder is used to supply oxygen in the negative pressure chamber. Medical personnel hang the oxygen cylinder on the cart, connect the oxygen cylinder and the negative pressure chamber with a hose, and then open the oxygen cylinder valve so that oxygen is supplied to the negative dark chamber.

However, the conventional negative pressure chamber has a disadvantage that it is cumbersome to use. The reason is that in order to transport a patient, a heavy oxygen cylinder has to be carried every time, and the oxygen cylinder is lifted and hung on the cart, the oxygen cylinder and negative pressure chamber are connected to the hose, and the valve of the oxygen cylinder is opened to check the pressure one by one. However, if the transport is delayed, the oxygen is consumed, and there is no spare oxygen tank, the situation is very difficult.

As a background technology related to the negative pressure chamber, Korean Patent Registration No. 10-1893936 (a movable negative pressure bag with a gas frame support structure) has been disclosed.

The disclosed negative pressure bag includes: front and rear plate members molded from plastic and having a semi-disk shape in which holes are perforated, respectively; It is provided in a hemispherical shape to form an inner area for accommodating a patient when used by fixing the front and rear plate members to the front and rear surfaces. a flexible protective cover provided with a connected sealing zipper and having an external air intake formed on the rear surface to facilitate folding; a plurality of handle members each having an upper surface fixed to the lower surface of the flexible protective cover at regular intervals, one end and the other end protruding outward to be gripable, each having a hole for a handle formed therein; a gas frame part installed on the surface of the flexible protective cover in the transverse and longitudinal directions to inject the gas generated from the gas generating part, thereby maintaining the shape of the flexible protective cover; An exhaust means installed on the front surface of the flexible protective cover to filter and discharge the internal air, wherein the gas generating unit is formed by an adhesive or ultrasonic fusion at the lower end of the longitudinal gas frame formed in the longitudinal direction in which the gas flow hole is formed. is fixed including a gas flow hole by a gas generating receptor, which has an open upper portion and a gas outlet hole is formed on the outer surface, and a gas according to a chemical reaction with a liquid having an acid component accommodated in the gas generating receptor A tea bag for soda filled with soda so that And, one end is fixedly installed on the upper surface of the citric acid water storage unit, and the other end is positioned toward the bottom so that the user can damage the floor by pressing the upper surface of the citric acid water storage unit so that the stored citric acid water can be supplied to the gas generating receptor side. A breakage member is provided.

Domestic Patent Publication No. 10-1893936 (movable negative pressure bag with gas frame support structure)

The present invention was created to solve the above problems, and there is no need to carry an oxygen cylinder, so it is easy to operate and stable supply of oxygen is possible. It is an object of the present invention to provide a negative pressure chamber device equipped with an oxygen generator that can be used.

The negative pressure chamber device provided with an oxygen generator of the present invention as a means of solving the problems for achieving the above object is a chamber that provides an internal space in which a patient is accommodated, is opened and closed by a zipper, and whose shape is maintained by a plurality of flexible supports a negative pressure chamber having a main body, a protective cover partially fixed to the chamber body and surrounding and protecting the chamber body; a negative pressure maintainer installed on one side of the chamber body to filter and exhaust the air inside the chamber body to maintain the pressure inside the chamber body lower than atmospheric pressure; It is characterized in that it includes an oxygen generator that is mounted on the opposite side of the negative pressure maintainer with the inner space of the chamber body interposed therebetween and supplies oxygen to the chamber body.

In addition, the protective cover; It is composed of two sheets of transparent fabric that are integrated with each other and a reinforcing wire interposed between the transparent fabrics to reinforce the rigidity of the light-transmitting fabric. , characterized in that it is lifted up to open the chamber body.

In addition, in the interior of the chamber body, a blocking curtain dividing the internal space of the chamber body into a first space facing the head and a second space facing the legs, based on the chest of the patient lying in the chamber body. characterized in that it is installed.

In addition, the blocking curtain; It is made of a flexible synthetic resin fabric, has a divided strip divided by a plurality of cutting parts, and a weighting member for applying a weight to the divided strip is fixed to an end of each divided strip.

In addition, the chamber body, it is characterized in that the supporter fixed to the chamber body and supporting the negative pressure maintainer is further installed.

In addition, the chamber body, coupled to the chamber body and characterized in that the supporter for supporting the oxygen generator is further mounted.

In addition, the supporter; It is characterized in that it has a close contact fixing part fixed to the side of the chamber body, and a support part located at the lower end of the close contact fixing part to maintain the standing state of the close contact fixing part.

In addition, the supporter; A plate-shaped close contact fixing part fixed to the side of the chamber body, a support part located at the lower end of the close contact fixing part and rotatably linked with respect to the close contact fixing part through a connecting pin, and the close contact fixing part of the chamber body It is characterized in that it has a torsion spring that elastically biases the chamber body in the opposite direction so that the adhesion fixing part tensions the chamber body.

In addition, to the oxygen generator; It is characterized in that it includes an oxygen generator for producing oxygen, a controller for controlling the oxygen generator, and a rechargeable battery for supplying power to the oxygen generator.

In addition, the negative pressure maintainer; It is characterized in that it comprises an exhaust pump for exhausting the air in the dark chamber, a filter for purifying the air exhausted by the exhaust pump, a controller for controlling the exhaust pump, and a rechargeable battery for applying electric power to the exhaust pump .

In the negative pressure chamber device with an oxygen generator of the present invention as described above, since the oxygen generator is integrally provided in the negative pressure chamber to continuously supply oxygen, there is no need to carry a cumbersome oxygen cylinder, so it is easy to operate, especially for oxygen Stable supply is possible and reliability is high.

In addition, since the negative pressure chamber is stretched and unfolded by the supporter supporting the negative pressure maintainer and the oxygen generator, the shape of the negative pressure chamber is not distorted by gravity even over time.

In addition, since it has an open/close protective cover, there is no fear of tearing during use, so you can use it with confidence even in harsh environments.

1 is a block diagram showing the overall configuration of a negative pressure chamber device equipped with an oxygen generator according to an embodiment of the present invention.
2 is an exploded perspective view of a negative pressure chamber device equipped with an oxygen generator according to an embodiment of the present invention.
3 is a cross-sectional view taken along line AA of FIG. 2 .
4 is a perspective view of a negative pressure chamber device equipped with an oxygen generator according to an embodiment of the present invention.
FIG. 5 is a view separately shown to explain the blocking curtain of FIG. 2 .
6 is a view for explaining a method of using a negative pressure chamber device equipped with an oxygen generator according to an embodiment of the present invention.
FIG. 7 is a cross-sectional view for explaining the configuration of the access unit shown in FIG. 2 .
8 is a view showing a modified example of the supporter applicable to the negative pressure chamber apparatus according to an embodiment of the present invention.
9 is a front view of the apparatus of the negative pressure chamber to which the supporter of FIG. 8 is mounted.

Hereinafter, one embodiment according to the present invention will be described in more detail with reference to the accompanying drawings.

Since the negative pressure chamber device of the present invention is integrally configured with an oxygen generator as well as a negative pressure maintainer, it is easy to use because there is no need to carry a separate oxygen cylinder, and there is no need to worry about the remaining amount of oxygen, so it is highly reliable. In addition, there is no fear of tearing even when used in harsh environments with a protective cover.

The negative pressure chamber apparatus of the present invention includes: a negative pressure chamber having a chamber body that provides an internal space in which a patient is accommodated and that is opened and closed by a zipper, a protective cover partially fixed to the chamber body and surrounding and protecting the chamber body; a negative pressure maintainer installed on one side of the chamber body to filter and exhaust the air inside the chamber body to maintain the pressure inside the chamber body lower than atmospheric pressure; It has a basic configuration of an oxygen generator mounted on the opposite side of the negative pressure maintainer with the chamber body interposed therebetween, generating oxygen and supplying it to the chamber body.

1 is a block diagram showing the overall configuration of a negative pressure chamber apparatus 10 equipped with an oxygen generator according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the negative pressure chamber apparatus. Also, FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 , and FIG. 4 is a perspective view of the negative pressure chamber device. In addition, FIG. 5 is a view for explaining the blocking curtain of FIG. 2 , and FIG. 6 is a view for explaining a method of using the negative pressure chamber device. 7 is a cross-sectional view for explaining the configuration of the access unit shown in FIG. 2 .

As shown, the negative pressure chamber apparatus 10 equipped with an oxygen generator according to the present embodiment includes a negative pressure chamber 20 , a supporter 31 , a negative pressure maintainer 40 , an oxygen generator 50 , and a differential pressure sensing unit. 63 , an oxygen concentration sensing unit 61 , and a power source 65 .

The negative pressure chamber 20 is an integrated vinyl case that provides a space in which a subject to be transferred, that is, a patient is accommodated, and is composed of a chamber body 21 and a protective cover 24 .

The chamber body 21, which is manufactured by high-frequency bonding of transparent synthetic resin sheets, can be mounted on a medical stretcher or bed, as well as has a size that fits into CT equipment. Polyurethane fabric can be used as a synthetic resin sheet.

In addition, the inner space of the chamber body 21 can be opened and closed by a zipper 26 having a waterproof function. As long as the inner space can be opened and closed, the position of the zipper 26 can be varied.

The chamber body 21 has a cover portion 21a, a bottom portion 21e, and a side wall portion 21c. The cover portion 21a serves as a round roof and has a plurality of access portions 27 on both sides. The access unit 27 has the structure of FIG. 7 as a passage through which a medical personnel transporting a patient puts a hand. This will be described later. In addition, the bottom part 21e is a part on which the patient lies, and the side wall part 21c is a part sealing both ends of the cover part 21a and the bottom part 21e.

An anti-fog layer (23 in FIG. 7) is laminated on the inner surface of the cover part 21a. The anti-fog layer 23 prevents the cover portion 21a from being fogged by the patient's breathing. The anti-fog layer 23 may be a coating agent having a chemical composition that prevents moisture from forming.

In addition, as shown in FIG. 2 , a plurality of flexible supports 71 are built in the cover portion 21a. The flexible support 71 is a hollow pipe with both ends closed and closed, and prevents sagging of the cover part 21a, like a frame of a plastic house. For this purpose, both ends of the flexible support 71 reach the bottom 21e and receive support. The flexible support 71 is made of synthetic resin of the same material as the cover portion 21a. The size and spacing of the flexible support 21a may vary as needed.

In addition, although not shown, a display means (that is, an indicator) indicating the number of times or total usage time of the negative pressure chamber 20 may be installed inside the negative pressure chamber 20 . The user can determine whether to continue to use the negative pressure chamber 20 through such a display means.

In particular, a blocking curtain 25 is installed inside the chamber body 21 . The blocking curtain 25 divides the inner space of the chamber body 21 into a first space portion 20a and a second space portion 20b shown in FIGS. 2 and 6 .

The first space 20a is a space facing the head with respect to the chest of the patient (Z in FIG. 6 ) lying in the chamber body. In addition, the second space 20b is a space facing the leg. The oxygen generator 50 is installed in the side wall portion 21c where the first space portion 20a is located.

As described above, the reason for dividing the first space 20a and the second space 20b is to concentrate the oxygen produced by the oxygen generator 50 toward the patient's head. Oxygen supplied from the oxygen generator 50 is concentrated in the first space 20a and used for the patient's breathing. Of course, since the blocking curtain 25 does not completely seal the first space 20a and the second space 20b, a part of oxygen can flow into the second space 20b together with carbon dioxide. have.

This blocking curtain 25 has the structure shown in FIG. As shown in Fig. 5, the blocking curtain 25 has a semicircular shape and has a plurality of divided strips 25c. The split strip 25c is a band-shaped part formed by cutting a part of the blocking curtain 25 side by side to a predetermined width. Reference numeral 25b denotes a cutting part obtained by cutting the blocking curtain 25 .

The divided strip 25c has a predetermined width and includes a weighting member 25e at the lower end thereof. The weighting member 25e is a plastic plate, and applies its own weight to the divided strip 25c so that the divided strip 25c is in a drooping state as much as possible.

The blocking curtain 25 having the above structure, as shown in FIG. 6 , is located on the chest of the patient Z, and divides the first space 20a and the second space 20b described above. .

On the other hand, the protective cover 24 is a sheet-like member that can cover the chamber body (21). The protective cover 24 is made of the same type of fabric as the cover portion 21a and has a rectangular shape in a fully unfolded state. The protective cover 24 includes a fusion fixing part 24a and a blocking sheet part 24b. The fusion fixing part 24a has a predetermined width as a high frequency fusion fusion part with respect to the upper end of the cover part 21a.

The blocking sheet portion 24b is integrally formed on both sides of the fusion fixing portion 24a, and covers and blocks the cover portion 21a in an unfolded state. 4 shows a state in which the protective cover 24 completely surrounds the chamber body 21 . In addition, when the zipper 26 is opened or closed or the cover part 21a is not needed, the blocking sheet part 24b can be rolled up.

This protective cover 24, as shown in Figure 3, is composed of two sheets of light-transmitting fabric (24e), and a plurality of reinforcing wires (24f). The light transmitting fabric 24e is integrated with each other with the reinforcing wire 24f interposed therebetween. The reinforcing wire 24f is a wire-like member made of nylon fiber, and a plurality of reinforcing wires are arranged in parallel and spaced apart from each other. The pattern of the reinforcing wire 24f may be designed in various ways. For example, it can be manufactured in the form of a mesh network. The reinforcing wire 24f reinforces the strength of the protective cover 24 . By embedding the reinforcing wire 24f, the protective cover 24 is not torn.

A plurality of groove portions 24c are formed at the ends of the blocking sheet portion 24b. The groove part 24c accommodates the access part 27 as shown in FIG. In addition, the adhesive cloth 22b is fixed between each groove part 24c. The adhesive cloth 22b is fixed to another adhesive cloth 22a provided on the bottom surface of both ends of the width direction of the bottom part 21e. Velcro tape can be used as an adhesive cloth. The installation of the protective cover 24 is completed by completely unfolding the blocking sheet portion 24b and adhering the adhesive cloths 22a and 22b.

Supporters 31 are fixed to both sidewalls of the chamber body 21 . The supporter 31 is made of a hard synthetic resin such as polycarbonate, is located on the opposite side with the inner space of the chamber body 21 interposed therebetween, and supports the negative pressure chamber 20 in a state deployed by the user. keep it as it was For example, the central portion of the negative pressure chamber 20 is to prevent sagging due to gravity to sink.

This supporter 31 has a close contact fixing portion (31a) and a support portion (31b). The close contact fixing part 31a is fixed to the side wall part 21c of the chamber body, and the support part 31b is fixed to the bottom surface of the bottom part 21e. The support part (31b) maintains the vertical standing state of the close contact fixing part in a state placed on a medical stretcher or bed. That is, the close contact fixing part (31a) is pulled to the chamber body (21) to hold it so that it does not fall over.

As long as the negative pressure chamber 20 can be prevented from deflecting, the position of the supporter 31 may be changed. For example, it may be mounted to face each other in the inner space of the negative pressure chamber (20). In other words, the contact fixing part 31a to be described later can be in close contact with the inward surface of the side wall part 21c, and the support part 31b can be in close contact with the upper surface of the bottom part 21e.

The negative pressure maintainer 40 is fixed to the outer surface of the close contact part 31a of the one side supporter 31, and filters the air inside the negative pressure chamber 20 and then exhausts the air so that the pressure inside the negative chamber is lower than atmospheric pressure. to keep it

The negative pressure retainer 40 includes a casing 45 , a control unit 41 , an exhaust pump 42 , a filter 43 , and a rechargeable battery 44 . The casing 45 is a box fixed with respect to the close contact fixing part 31a. The casing 45 can be detachably mounted with respect to the close contact fixing part 31a. In addition, a warning lamp that operates when an abnormality occurs may be installed on the outside of the casing 45 .

The control unit 41 serves to control the exhaust pump 42 . The user may set the negative pressure maintainer 40 to an automatic or manual operation mode through the control unit 41 . For example, the pressure inside the negative pressure chamber 20 may be adjusted in 10 steps within the range of -10Pa to -40Pa.

The control unit 41 includes a display unit 45e, and displays the pressure inside the negative pressure chamber 20 received from the differential pressure sensing unit 63 and the remaining amount of the rechargeable battery 44 through the display unit.

The exhaust pump 42 is operated by the control unit 41 to exhaust the air in the dark chamber to the outside. It goes without saying that an air flow passage is provided in the casing 45 . The filter 43 is installed in the air flow passage, and filters out contaminants such as viruses and droplets in the exhausted air.

The rechargeable battery 44 supplies power required for the operation of the negative pressure maintainer 40 . The duration of the rechargeable battery 44 may be about 5 hours in consideration of the movement time of the patient. However, the capacity of the rechargeable battery 44 may be designed differently according to need.

This negative pressure maintainer 40 is interlocked with the differential pressure sensing unit (63). The differential pressure sensing unit 63 senses the pressure inside the negative pressure chamber and transmits the sensing contents to the control unit 41 so that the control unit 41 adjusts the output of the exhaust pump 42 .

In addition, the negative pressure retainer 40 is further provided with a plurality of terminal holes (45a) and power lines (45c). The terminal hole 45a is located on the outside of the casing 45 and is a hole through which the terminal 47c of the cigar jack cable 47 is inserted. The cigar jack cable 47 is a cable that applies battery power of the ambulance to the negative pressure maintainer 40 and is used in an emergency. For example, it is used when there is little remaining amount of the rechargeable battery 44 .

The cigar jack cable 47 includes a cigar jack 47a fitted into the cigar jack socket 65a of the ambulance, a cable 47b extending in the longitudinal direction, and fixed to the extended end of the cable 47b and connected to the terminal hole 45a. It consists of a terminal 47c to connect. Power supplied through the cigar jack cable 47 may be transferred to the rechargeable battery 44 or may be directly applied to the driving circuit inside the negative pressure maintainer 40 .

The power line 45c is used indoors. That is, when the dark chamber device 10 arrives in the hospital, it is inserted into the power outlet 65c located on the indoor wall.

On the other hand, the oxygen generator 50 is mounted on the other side supporter 31, produces oxygen and supplies it into the space of the negative pressure chamber. As already mentioned, it is to replace the oxygen cylinder used in the past.

The oxygen generator 50 includes a casing 51 , an oxygen generator 52 , a controller 53 , a pump 55 , and a rechargeable battery 57 . The casing 51 is coupled to the chamber body 21 to be detachable. Although not shown, a terminal hole or a display unit is also provided on the outer surface of the casing 51 .

Oxygen produced by the oxygen generator 50 is transferred into the negative pressure chamber 20 through the oxygen filter 59 and the air stopper (59b in FIG. 6 ) through the pump 55 . When the oxygen filter 59 is replaced, the air stopper 59b blocks the oxygen passage to prevent foreign substances from flowing into the negative pressure chamber 20 . As long as this function can be performed, the structure of the air stopper 59b itself may be varied. In addition, the air stopper (59b) can be applied to other parts where the filter is installed, for example, the negative pressure maintainer (40).

The oxygen generator 52 is controlled by the controller 53 and generates oxygen. The principle of oxygen generation is the same as that of a general oxygen generator. Oxygen produced by the oxygen generator 52 is transferred into the chamber body 21 through the pump 55 . If necessary, an oxygen mask (not shown) may be provided in the chamber body 21 , and a portion of oxygen supplied into the chamber body 21 may be guided to the oxygen mask.

The rechargeable battery 57 supplies power necessary for driving the oxygen generator 52 . The duration of the rechargeable battery 57 may be about 3 hours.

The oxygen generator 50 is interlocked with the oxygen concentration sensing unit 61 . The oxygen concentration sensing unit 61 senses the oxygen concentration inside the negative pressure chamber 20 and transmits the sensed contents to the control unit 53 of the oxygen generator, so that the control unit adjusts the output of the oxygen generator. Through the oxygen concentration sensing unit 61 and the control unit 53, an oxygen site group having a constant concentration can be automatically maintained at all times. For reference, in the past, the oxygen concentration could not be automatically adjusted according to the ever-changing situation as it was a structure in which oxygen cylinders were simply connected.

This oxygen generator 50, like the negative pressure maintainer 40, can be driven by connecting the cigar jack cable 47 or the power line 45c as needed.

The power source 65 includes a cigar jack socket 65a and a power outlet 65c. The cigar jack socket 65a is a power outlet installed in the driver's seat of the ambulance. When transporting the patient to the ambulance, the power of the vehicle battery may be supplied to the negative pressure maintainer 40 or the oxygen generator 50 using the cigar jack cable 47 . The power outlet 65c is a 220 volt outlet installed on an indoor wall.

The access unit 27 has a structure shown in FIG. 7 as a passage through which a medical personnel puts a hand so that the patient can take necessary measures. As shown in Fig. 7, mounting holes 21k are perforated on both sides of the cover portion 21a so that the access portion 27 can be installed.

The access unit 27 includes a holder 27a, a glove housing 27f, and a sealing cap 27m. The holder 27a is a cylindrical member having a coupling screw portion 27b formed on an outer circumferential surface and an inner circumferential surface, and is adhesively fixed to the inner surface of the cover portion 21a through a bonding sleeve 27c provided at one end.

The glove housing (27f) accommodates the protective gloves (27k) and is inserted into the holder (27a) to be screwed into the coupling screw portion (27b). For this purpose, it is natural that a male screw portion 27g is provided on the outer surface of the glove housing 27f. The protective glove 27k is in a state in which the inlet portion is in close contact with the inner circumferential surface of the glove housing 27f and is opened to the outside. When the user puts his or her hand into the glove housing 27f, the protective glove 27k can be worn.

Since the glove housing 27f is screwed with respect to the holder 27a, the glove housing 27f may be removed as needed to sterilize the protective gloves 27k. It is also possible to replace the glove housing (27f) together with the protective gloves (27k). The sealing cap (27m) is installed when the access part (27) is not in use to prevent foreign substances from entering the protective glove (27k).

8 is a view showing a modified example of the supporter 31 that can be applied to the negative pressure chamber apparatus 10 according to an embodiment of the present invention, and FIG. 9 is a negative pressure chamber apparatus 10 to which the supporter of FIG. 8 is mounted. ) is a front view.

The supporter 31 shown in FIGS. 8 and 9 includes a close contact fixing part 31a, a support part 31b, a connecting pin 31g, and a torsion spring 31h.

The adhesion fixing part 31a is a plate-shaped member having a certain thickness and is adhesively fixed to the outer surface of the side wall part 21c of the chamber body 21 . A protrusion 31f is formed in the center of the lower end of the close contact fixing portion 31a. The protrusion 31f is a portion to be fitted into a groove portion 31e, which will be described later, and has a through-type pin hole (not shown).

The support part 31b is located at the lower end of the close contact fixing part 31a and is closely fixed to the bottom surface of the bottom part 21e. The bonding of the support part 31b to the bottom part 21e may be an adhesive method. In addition, a groove portion 31e is formed on one side of the support portion 31b. The groove part 31e accommodates the protrusion part 31f. Pin holes (not shown) are provided on both sides of the groove portion 31e. When the protrusion 31f is inserted into the groove 31e, the pin hole formed in the close contact fixing portion and the pin hole provided in the support portion are aligned in a straight line.

The connecting pin 31g is fitted in the pin hole to rotatably support the close contact fixing portion 31a with respect to the receiving portion 31b.

Stoppers 31m are fixed to both ends of the support part 31b in the width direction. The stopper 31m prevents the close contact fixing part 31a from passing to the support part 31b side.

The torsion spring (31h) elastically supports the close contact fixing part (31a) in the arrow k direction in a state embedded in the support part (31b). By the action of the torsion spring 31h, the close contact fixing part 31a is elastically biased in the direction of the arrow z of FIG. Since the close contact portion 31a is fixed to the side wall portion 21c of the chamber body 21, the negative pressure chamber 20 is eventually tensioned by the supporters 31 on both sides to maintain a taut state. The negative pressure chamber 20 does not sag downward under the action of gravity. There is no sagging of the dark chamber 20, so it is easy to use.

As mentioned above, although the present invention has been described in detail through specific embodiments, the present invention is not limited to the above embodiments, and various modifications are possible by those of ordinary skill within the scope of the technical spirit of the present invention.

10: negative pressure chamber device 20: negative pressure chamber 20a: first space
20b: second space 21: chamber body 21a: cover part
21c: side wall portion 21e: bottom portion 21k: mounting hole
22a, 22b: adhesive cloth 23: anti-fog layer 24: protective cover
24a: fusion fixing part 24b: blocking sheet part 24c: groove part
24e: light transmitting fabric 24f: reinforcing wire 25: blocking curtain
25b: cutting part 25c: split strip 25e: weighting member
26: zipper 27: access part 27a: holder
27b: coupling screw portion 27c: bonding sleeve 27f: glove housing
27g: male thread 27k: protective gloves 27m: sealing cap
31: Supporter 31a: Adhesive fixing part 31b: Support part
31e: groove 31f: protrusion 31g: connecting pin
31h: Torsion spring 31m: Stopper 40: Sound pressure maintainer
41: control unit 42: exhaust pump 43: filter
44: rechargeable battery 45: casing 45a: terminal hole
45c: power line 45e: display unit 47: cigar jack cable
47a: Cigar Jack 47b: Cable 47c: Terminal
50: oxygen generator 51: casing 52: oxygen generator
53: control unit 55: pump 57: rechargeable battery
59: oxygen filter 59a: air stopper 61: oxygen concentration sensing unit
63: differential pressure sensing unit 65: power 65a: cigar jack socket
65c: power outlet 71: flexible support

Claims (10)

A negative pressure chamber comprising: a chamber body that provides an internal space in which a patient is accommodated and that is opened and closed by a zipper and whose shape is maintained by a plurality of flexible supports;
a negative pressure maintainer installed on one side of the chamber body to filter and exhaust the air inside the chamber body to maintain the pressure inside the chamber body lower than atmospheric pressure;
A negative pressure chamber device with an oxygen generator, which is mounted on the opposite side of the negative pressure maintainer with the inner space of the chamber body interposed therebetween, and includes an oxygen generator that generates oxygen and supplies it into the chamber body. According to claim 1,
The protective cover;
It is composed of two sheets of translucent fabric integrated with each other, and a reinforcing wire interposed between the translucent fabrics to reinforce the rigidity of the translucent fabric,
A negative pressure chamber device with an oxygen generator, characterized in that it is lifted up to cover the chamber body or open the chamber body, with a part of the chamber body fixed by adhesion on the upper part of the chamber body. According to claim 1,
Inside the chamber body, a blocking curtain dividing the internal space of the chamber body into a first space facing the head and a second space facing the legs, based on the chest of the patient lying in the chamber body, is installed A negative pressure chamber device equipped with an oxygen generator. 4. The method of claim 3,
The blocking curtain;
A negative pressure chamber device with an oxygen generator, characterized in that it is made of a flexible synthetic resin fabric, has a divided strip divided by a plurality of cutting parts, and a weighting member for applying a weight to the divided strip is fixed at an end of each divided strip . According to claim 1,
In the chamber body, a negative pressure chamber device with an oxygen generator, characterized in that the supporter fixed to the chamber body and supporting the negative pressure maintainer is further installed. According to claim 1,
A negative pressure chamber device with an oxygen generator, characterized in that the chamber body, coupled to the chamber body and supporting the oxygen generator is further mounted. 7. The method of claim 5 or 6,
The supporter;
A close-fitting part fixed to the side of the chamber body,
A negative pressure chamber device with an oxygen generator, which is located at the lower end of the close contact and has a support for maintaining the standing state of the close contact. 7. The method of claim 5 or 6,
The supporter;
A plate-shaped close-fitting part fixed to the side of the chamber body,
a support portion located at the lower end of the close contact and rotatably linked through a connecting pin with respect to the close contact;
A negative pressure chamber device with an oxygen generator, characterized in that it has a torsion spring that elastically biases the close contact fixing part in the opposite direction of the chamber body so that the close contact fixing part tensions the chamber body. According to claim 1,
to the oxygen generator;
an oxygen generator that produces oxygen; and
a control unit for controlling the oxygen generating unit;
A negative pressure chamber device with an oxygen generator, characterized in that it includes a rechargeable battery for supplying power to the oxygen generator. According to claim 1,
The negative pressure maintainer;
an exhaust pump for exhausting air in the umami chamber;
A filter that purifies the air exhausted by the exhaust pump;
a control unit for controlling the exhaust pump;
A negative pressure chamber device with an oxygen generator, characterized in that it includes a rechargeable battery for applying electric power to the exhaust pump.

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