WO2024010149A1 - Negative pressure hospital room conversion device - Google Patents

Negative pressure hospital room conversion device Download PDF

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Publication number
WO2024010149A1
WO2024010149A1 PCT/KR2022/018200 KR2022018200W WO2024010149A1 WO 2024010149 A1 WO2024010149 A1 WO 2024010149A1 KR 2022018200 W KR2022018200 W KR 2022018200W WO 2024010149 A1 WO2024010149 A1 WO 2024010149A1
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WO
WIPO (PCT)
Prior art keywords
negative pressure
suction
hospital room
conversion device
pressure
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PCT/KR2022/018200
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French (fr)
Korean (ko)
Inventor
김효준
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(재)예수병원유지재단
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Publication of WO2024010149A1 publication Critical patent/WO2024010149A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00—Treatment rooms or enclosures for medical purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00—Treatment rooms or enclosures for medical purposes
    • A61G10/005—Isolators, i.e. enclosures generally comprising flexible walls for maintaining a germ-free environment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00—Treatment rooms or enclosures for medical purposes
    • A61G10/02—Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00—Treatment rooms or enclosures for medical purposes
    • A61G10/02—Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
    • A61G10/023—Rooms for the treatment of patients at over- or under-pressure or at a variable pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2210/00—Devices for specific treatment or diagnosis
    • A61G2210/30—Devices for specific treatment or diagnosis for intensive care

Definitions

  • the present invention relates to a negative pressure hospital room conversion device, and more specifically, to enable continuous suction using a suction terminal installed on a patient bed arranged in the hospital room, thereby immediately converting the hospital room to negative pressure, thereby quickly converting the hospital room to negative pressure. This is about a negative pressure room conversion device that ensures that.
  • bacteria or viruses can spread to the surrounding area.
  • the purpose of the present invention which was devised in consideration of the above points, is to solve the above-described problems, by enabling continuous suction using a suction terminal installed on the patient bed placed in the hospital room, thereby immediately turning the hospital room into negative pressure.
  • the goal is to provide a negative pressure room conversion device that can quickly secure a negative pressure room by enabling conversion.
  • the negative pressure hospital room conversion device for achieving the object of the present invention as described above is a negative pressure hospital room conversion device that allows constant suction using a suction terminal installed on a patient bed arranged in the hospital room, thereby converting the hospital room to negative pressure.
  • an adapter part partially inserted into the suction terminal and communicating with it; a suction unit connected to one side of the adapter unit to create negative pressure inside the hospital room by sucking in external air; It is characterized by including.
  • the adapter part includes a jack member inserted into the suction terminal, and a connection member whose one side is connected to the jack member and the other side is connected to the suction portion so as to transmit the suction force generated by the suction terminal to the suction portion. It may be configured to include.
  • a pressure gauge connected to one side of the suction part may be further installed to check the degree to which the suction part sucks in external air.
  • a separate pressure control knob may be installed on the front of the suction unit to adjust the suction force transmitted to the suction unit.
  • peripheral portion of the suction port on one side of the suction portion which serves as an inlet through which external air flows into the interior, may be tapered so that the width gradually decreases toward the inside.
  • a separate flow rate control controller may be connected to the suction port formed in the suction unit.
  • the flow rate control controller includes a fastening part screwed to the inlet of the suction unit, a drive valve having one end inserted and connected to the suction port by the fastening part and an opening at the other end and having an opening surface, and the drive valve It may include a drive motor that drives the drive motor, a control unit that controls the drive motor and receives pressure measured from the outside, and an external pressure gauge that is installed outside and measures the external pressure.
  • the suction unit is automatically driven to create negative pressure inside the hospital room. You can do it.
  • the negative pressure hospital room conversion device enables continuous suction using a suction terminal installed on the patient bed placed in the hospital room, thereby immediately converting the hospital room to negative pressure, thereby quickly securing a negative pressure hospital room. There is an effect that can be done.
  • Figure 1 is a plan view showing the structure of the negative pressure room conversion device according to an embodiment of the present invention
  • Figure 2 is a front view showing the structure of the negative pressure hospital room conversion device according to an embodiment of the present invention as seen from the front;
  • Figure 3 is a front view showing the structure of a flow rate control controller connected to a negative pressure hospital room conversion device according to an embodiment of the present invention.
  • Figure 1 is a plan view showing the structure looking down at the negative pressure hospital room conversion device according to an embodiment of the present invention
  • Figure 2 is a front view showing the structure viewed from the front of the negative pressure hospital room conversion device according to an embodiment of the present invention
  • Figure 3 is a front view showing the structure of a flow rate control controller connected to a negative pressure hospital room conversion device according to an embodiment of the present invention.
  • the negative pressure hospital room conversion device enables constant suction using the suction terminal (1) installed on the patient bed arranged in the hospital room, thereby converting the hospital room to negative pressure.
  • a negative pressure hospital room conversion device comprising: an adapter part (100) partially inserted into the suction terminal (1) and communicating with it; a suction unit 200 connected to one side of the adapter unit 100 to create negative pressure inside the hospital room by sucking in external air; It consists of:
  • the adapter unit 100 connects the suction terminal 1 installed on the patient bed and the suction unit 200, and uses the suction force generated by the suction terminal 1 to pump air inside the hospital room through the suction unit 200. It serves to create negative pressure inside the hospital room through suction.
  • the adapter unit 100 has a jack member 110 that is directly inserted and connected to the suction terminal 1, and one side so as to transmit the suction force generated by the suction terminal 1 to the suction unit 200. It is configured to include a connecting member 120 that is connected to the jack member 110 and the other side is connected to the suction part 200.
  • the jack member 110 has a diameter similar to that of the suction terminal 1 so that it can be inserted in a tightly engaged state into the suction terminal 1, and its length is It is preferable that the jack member 110 be formed to have a length sufficient to maintain the inserted state into the suction terminal 1 while the suction unit 200 is provided on one side of the adapter unit 100.
  • the connecting member 120 is provided with a jack member 110 on one side and a suction portion 200 on the other side to transfer the suction force of the suction terminal 1 to the suction portion 200 through the adapter portion 100. It serves to create negative pressure by sucking the air inside the hospital room through the suction unit 200.
  • the suction unit 200 is a member that is connected to one side of the adapter unit 100 and serves to substantially suck in external air so that negative pressure can be created inside the hospital room.
  • the periphery of one end of the suction part 200 When sucking in the air inside the hospital room through the suction part 200, the periphery of one end of the suction part 200, where external air flows into the inside, is located on the inner side so that the flow rate can be fast and negative pressure can be quickly formed. It is effective to form it in a tapered manner so that the width gradually decreases as you go.
  • This suction unit 200 is further equipped with a pressure gauge 300 installed to be connected to one side of the suction unit 200 to check the degree to which external air is sucked from the suction unit 200.
  • the pressure gauge 300 measures the pressure at which the air in the hospital room is sucked through the suction terminal 1 in the suction unit 200 to determine whether the suction terminal 1 is operating normally to create negative pressure inside the hospital room. Make sure you can check it.
  • This pressure gauge 300 can not only measure the normal operation of the suction terminal 1, but also check the pressure inside the hospital room itself to determine whether the negative pressure inside the hospital room is normally well formed.
  • the pressure inside the hospital room measured by the pressure gauge 300 does not form a negative pressure, this can be quickly confirmed through the pressure gauge 300 and the negative pressure hospital room conversion device of the present invention is installed in the suction terminal 1 and operated. By doing this, negative pressure can be formed.
  • a separate pressure control knob 400 is installed on the front of the suction unit 200 to adjust the suction force transmitted to the suction unit 200.
  • the pressure control knob 400 is measured by the pressure gauge 300.
  • This pressure control knob 400 is rotatably installed on the front of the suction unit 200, allowing the user to adjust the degree of pressure sucked from the suction unit 200 by gripping the knob with a finger and rotating it, thereby allowing the user to adjust the degree of pressure sucked from the suction unit 200.
  • the time required to form negative pressure can be adjusted.
  • the pressure inside the hospital room is formed at the set negative pressure, thereby enabling negative pressure treatment of the patient.
  • the flow control controller 500 checks the measured external pressure and the pressure inside the hospital room to maintain a constant negative pressure to form a preset appropriate negative pressure.
  • This flow control controller 500 has a fastening part 510 that is screwed to the suction port 210 of the suction unit 200, one end of which is inserted into and connected to the suction port 210 by the fastening part 510, and the other end is open.
  • a driving valve 520 formed and provided with an opening surface, a driving motor 530 that drives the driving valve 520, and a controller 540 that controls the driving motor 530 and receives pressure measured from the outside.
  • It is configured to include an external pressure gauge 550 that is installed outside and measures external pressure.
  • the fastening part 510 is rotatably installed on one outer surface of the drive valve 520 and is formed of a cap member with a screw thread formed on the inner surface, and is mutually screwed with the screw thread formed on the outer surface of the suction port 210 of the suction part 200 to increase the flow rate. Ensure that the control controller 500 and the suction unit 210 are connected.
  • the drive valve 520 serves to control the degree of opening of the valve 520 to control the flow rate flowing into the suction unit 200 to create negative pressure inside the hospital room.
  • the drive motor 530 serves to control the degree of opening of the drive valve 520, and the controller 540 receives information about the external pressure measured by the external pressure gauge 550 and provides information about the received external pressure. It serves to control the suction unit 200 so that the inside of the hospital room can continuously create negative pressure by comparing the information with the pressure inside the hospital room measured by the pressure gauge 300.
  • the suction unit 200 is operated by the controller 540. By operating it, negative pressure can be created inside the hospital room.
  • the flow rate control controller 500 is fastened around the suction port 210 of the suction unit 200 using the fastening part 510, and as a result, the flow rate control controller 500 and the negative pressure room switching device are connected.
  • the jack member 110 of the adapter unit 100 is inserted into the suction terminal 1 installed on the patient bed in the hospital room to connect the negative pressure hospital room conversion device according to the present invention and the suction terminal 1.
  • the suction terminal (1) when the suction terminal (1) is activated, the air inside the hospital room passes through the suction port (200) and the suction terminal (1) via the adapter unit (100). As it is discharged to the outside, the pressure inside the hospital room gradually begins to decrease.
  • the pressure inside the hospital room is checked using the pressure gauge 300 to check whether negative pressure is being formed to create a negative pressure inside the hospital room, and the pressure adjustment knob 400 is used to create a negative pressure in the suction unit 200. Not only does it allow you to control the level of air sucked through the inlet, but it also sets the value of the negative pressure formed inside the hospital room to create a set negative pressure inside the hospital room.
  • the pressure measured by the external pressure gauge 550 of the flow control controller 500 is compared in real time with the pressure measured by the pressure gauge 300, and when the pressure inside the hospital room is converted to positive pressure, the flow control controller 500 is controlled.
  • the suction unit 200 is operated by the unit 540 to create negative pressure inside the hospital room.
  • the negative pressure hospital room conversion device having the above-described configuration allows constant suction using a suction terminal installed on the patient bed arranged in the hospital room, thereby immediately converting the hospital room to negative pressure.
  • a negative pressure room can be quickly secured.

Abstract

The present invention provides a negative pressure hospital room conversion device which is capable of converting a hospital room to negative pressure by enabling constant suction by using a suction terminal installed on a patient bed disposed in the hospital room, the negative pressure hospital room conversion device comprising: an adapter part that is partially inserted into the suction terminal to be in communication therewith; and a suction part that is connected to one side of the adapter part to suck in external air, thereby forming a negative pressure inside the hospital room. Accordingly, constant suction is enabled by using a suction terminal installed on a patient bed disposed in a hospital room, thereby allowing the hospital room to be instantly converted to negative pressure, and thus, a negative pressure hospital room can be quickly secured.

Description

음압병실 전환장치Negative pressure room conversion device
본 발명은 음압병실 전환장치에 관한 것으로, 더욱 상세하게는 병실에 배치된 환자용 침대에 설치된 흡인 단말구를 이용하여 상시 흡인이 가능하도록 함으로써 병실을 음압으로 즉시 전환할 수 있도록 하여 신속하게 음압 병실을 확보할 수 있도록 하는 음압병실 전환장치에 관한 것이다. The present invention relates to a negative pressure hospital room conversion device, and more specifically, to enable continuous suction using a suction terminal installed on a patient bed arranged in the hospital room, thereby immediately converting the hospital room to negative pressure, thereby quickly converting the hospital room to negative pressure. This is about a negative pressure room conversion device that ensures that.
일반적으로, 전염병에 걸린 환자는 기침을 하거나 숨을 쉴 때, 세균이나 바이러스가 주변으로 확산될 수 있다.Generally, when a patient with an infectious disease coughs or breathes, bacteria or viruses can spread to the surrounding area.
이러한 전염병의 발생시 감염자의 치료를 위한 공간은 바이러스의 공중 전파를 차단하기 위하여 음압 상태로 유지하는 것이 좋다. When such an infectious disease occurs, it is recommended that the space for treatment of the infected person be maintained at negative pressure to block the airborne spread of the virus.
밀폐된 공간을 음압으로 조성할 경우 외부 공기는 유입될 수 있지만 내부 공기를 밖으로 유출되지 못한다. 그 결과 치료실 등에 만연해 있을 수 있는 바이러스 내지 세균은 치료실 내에만 머물게 된다.When a closed space is created with negative pressure, external air can flow in, but internal air cannot flow out. As a result, viruses or bacteria that may be prevalent in the treatment room remain only within the treatment room.
근래 다양한 형태의 음압 발생장치가 제공되고 있으며, 전염병의 치료목적 이외의 산업분야에도 음압시설이 필요할 경우가 있다.Recently, various types of negative pressure generating devices have been provided, and negative pressure facilities may be needed in industrial fields other than for the treatment of infectious diseases.
그런데, 이러한 음압병실을 설치하기 위해서는 일반병실에 비해 많은 비용이 소요되기 때문에 일반적인 경우에 매우 소수의 음압병실만이 운용되고 있으며, 음압병실의 수요가 증가될 경우에는 이를 수용할 수 없는 문제점이 발생되었다.However, because it costs more to install such negative pressure rooms than general hospital rooms, only a very small number of negative pressure rooms are in operation in general, and when the demand for negative pressure rooms increases, the problem of not being able to accommodate them arises. It has been done.
따라서, 최근에는 이러한 문제점을 해결하기 위해 내부를 음압으로 유지할 수 있도록 된 음압텐트 등을 비롯한 다양한 방법이 개발되고 있으나, 이러한 음압텐트 역시 많은 비용이 소요되고, 설치에 시간이 많이 소요되는 문제점이 발생되었다.Therefore, in recent years, various methods have been developed to solve this problem, including negative pressure tents that can maintain the interior at negative pressure, but these negative pressure tents also cost a lot of money and have the problem of taking a lot of time to install. It has been done.
따라서, 이러한 문제점을 해결할 수 있는 새로운 방법이 요구되고 있는 실정이다. Therefore, a new method to solve these problems is required.
상기와 같은 점을 감안하여 안출한 본 발명의 목적은 상기한 바와 같은 문제점을 해결하기 위한 것으로, 병실에 배치된 환자용 침대에 설치된 흡인 단말구를 이용하여 상시 흡인이 가능하도록 함으로써 병실을 음압으로 즉시 전환할 수 있도록 하여 신속하게 음압 병실을 확보할 수 있는 음압병실 전환장치를 제공함에 있다. The purpose of the present invention, which was devised in consideration of the above points, is to solve the above-described problems, by enabling continuous suction using a suction terminal installed on the patient bed placed in the hospital room, thereby immediately turning the hospital room into negative pressure. The goal is to provide a negative pressure room conversion device that can quickly secure a negative pressure room by enabling conversion.
상기와 같은 본 발명의 목적을 달성하기 위한 음압병실 전환장치는, 병실에 배치된 환자용 침대에 설치된 흡인 단말구를 이용하여 상시 흡인이 가능하도록 함으로써 병실을 음압으로 전환할 수 있도록 하는 음압병실 전환장치로서, 상기 흡인 단말구에 일부가 삽입되어 연통되는 어댑터부와; 상기 어댑터부의 일측과 연결되어 외부의 공기를 흡입함으로써 상기 병실 내부에 음압을 형성하는 흡입부를; 것을 포함한 것을 특징으로 한다. The negative pressure hospital room conversion device for achieving the object of the present invention as described above is a negative pressure hospital room conversion device that allows constant suction using a suction terminal installed on a patient bed arranged in the hospital room, thereby converting the hospital room to negative pressure. As, an adapter part partially inserted into the suction terminal and communicating with it; a suction unit connected to one side of the adapter unit to create negative pressure inside the hospital room by sucking in external air; It is characterized by including.
여기서, 상기 어댑터부는 상기 흡인 단말구의 내부로 삽입되는 잭부재와, 상기 흡인 단말구에서 발생되는 흡인력을 상기 흡입부로 전달할 수 있도록 일측이 상기 잭부재와 연결되고 타측이 상기 흡입부와 연결되는 연결부재를 포함하여 구성될 수 있다. Here, the adapter part includes a jack member inserted into the suction terminal, and a connection member whose one side is connected to the jack member and the other side is connected to the suction portion so as to transmit the suction force generated by the suction terminal to the suction portion. It may be configured to include.
그리고, 상기 흡입부에서 외부의 공기를 흡입하는 정도를 확인할 수 있도록 상기 흡입부의 일측과 연결되도록 설치되는 압력계가 더 설치될 수 있다. In addition, a pressure gauge connected to one side of the suction part may be further installed to check the degree to which the suction part sucks in external air.
또한, 상기 흡입부의 전면에는 상기 흡입부 측으로 전달되는 흡인력을 조절할 수 있도록 하는 별도의 압력 조절 노브가 설치될 수 있다. Additionally, a separate pressure control knob may be installed on the front of the suction unit to adjust the suction force transmitted to the suction unit.
아울러, 외부의 공기가 내부로 유입되는 입구가 되는 상기 흡입부 일측의 흡입구의 주연부는 내측으로 갈수록 점진적으로 폭이 축소되도록 테이퍼지게 형성될 수 있다. In addition, the peripheral portion of the suction port on one side of the suction portion, which serves as an inlet through which external air flows into the interior, may be tapered so that the width gradually decreases toward the inside.
그리고, 상기 흡입부에 형성된 흡입구에는 별도의 유량 조절 컨트롤러가 연결될 수 있다. Additionally, a separate flow rate control controller may be connected to the suction port formed in the suction unit.
또한, 상기 유량 조절 컨트롤러는 상기 흡입부의 흡입구에 나사 체결되는 체결부와, 상기 체결부에 의하여 일단이 상기 흡입구에 삽입되어 연결되며 타단이 개구 형성되어 개구면이 구비된 구동밸브와, 상기 구동밸브를 구동시키는 구동모터와, 상기 구동모터를 제어하고 외부에서 측정된 압력을 수신받는 컨트롤부와, 외부에 설치되어 외부의 압력을 측정하는 외부압력 측정기를 포함할 수 있다. In addition, the flow rate control controller includes a fastening part screwed to the inlet of the suction unit, a drive valve having one end inserted and connected to the suction port by the fastening part and an opening at the other end and having an opening surface, and the drive valve It may include a drive motor that drives the drive motor, a control unit that controls the drive motor and receives pressure measured from the outside, and an external pressure gauge that is installed outside and measures the external pressure.
아울러, 상기 외부압력 측정기에서 측정된 외부의 압력과 상기 병실 내부의 압력을 비교하여 상기 병실 내부의 압력이 상승하여 음압이 형성되지 않을 경우에는 자동으로 상기 흡입부가 구동하여 상기 병실 내부가 음압을 형성하도록 할 수 있다. In addition, by comparing the external pressure measured by the external pressure measuring device with the pressure inside the hospital room, if the pressure inside the hospital room rises and negative pressure is not formed, the suction unit is automatically driven to create negative pressure inside the hospital room. You can do it.
이상에서 살펴본 바와 같이 본 발명에 의한 음압병실 전환장치는 병실에 배치된 환자용 침대에 설치된 흡인 단말구를 이용하여 상시 흡인이 가능하도록 함으로써 병실을 음압으로 즉시 전환할 수 있도록 하여 신속하게 음압 병실을 확보할 수 있는 효과가 있다. As discussed above, the negative pressure hospital room conversion device according to the present invention enables continuous suction using a suction terminal installed on the patient bed placed in the hospital room, thereby immediately converting the hospital room to negative pressure, thereby quickly securing a negative pressure hospital room. There is an effect that can be done.
도 1은 본 발명의 일 실시예 따른 음압병실 전환장치를 내려다 본 구조를 도시한 평면도이고,Figure 1 is a plan view showing the structure of the negative pressure room conversion device according to an embodiment of the present invention,
도 2는 본 발명의 일 실시예에 따른 음압병실 전환장치를 정면에서 바라본 구조를 도시한 정면도이며,Figure 2 is a front view showing the structure of the negative pressure hospital room conversion device according to an embodiment of the present invention as seen from the front;
도 3은 본 발명의 일 실시예에 따른 음압병실 전환장치에 연결되는 유량조절 컨트롤러의 구조를 도시한 정면도이다. Figure 3 is a front view showing the structure of a flow rate control controller connected to a negative pressure hospital room conversion device according to an embodiment of the present invention.
이하, 본 발명의 일 실시예에 따른 음압병실 전환장치를 첨부된 도면을 참조하여 보다 상세히 설명하면 다음과 같다.Hereinafter, the negative pressure hospital room conversion device according to an embodiment of the present invention will be described in more detail with reference to the attached drawings.
도 1은 본 발명의 일 실시예 따른 음압병실 전환장치를 내려다 본 구조를 도시한 평면도이고, 도 2는 본 발명의 일 실시예에 따른 음압병실 전환장치를 정면에서 바라본 구조를 도시한 정면도이며, 도 3은 본 발명의 일 실시예에 따른 음압병실 전환장치에 연결되는 유량조절 컨트롤러의 구조를 도시한 정면도이다. Figure 1 is a plan view showing the structure looking down at the negative pressure hospital room conversion device according to an embodiment of the present invention, and Figure 2 is a front view showing the structure viewed from the front of the negative pressure hospital room conversion device according to an embodiment of the present invention. Figure 3 is a front view showing the structure of a flow rate control controller connected to a negative pressure hospital room conversion device according to an embodiment of the present invention.
이들 도면에 도시한 바와 같이, 본 발명에 따른 음압병실 전환장치는, 병실에 배치된 환자용 침대에 설치된 흡인 단말구(1)를 이용하여 상시 흡인이 가능하도록 함으로써 병실을 음압으로 전환할 수 있도록 하는 음압병실 전환장치로서, 상기 흡인 단말구(1)에 일부가 삽입되어 연통되는 어댑터부(100)와; 상기 어댑터부(100)의 일측과 연결되어 외부의 공기를 흡입함으로써 상기 병실 내부에 음압을 형성하는 흡입부(200)를; 포함하여 구성되어 있다. As shown in these drawings, the negative pressure hospital room conversion device according to the present invention enables constant suction using the suction terminal (1) installed on the patient bed arranged in the hospital room, thereby converting the hospital room to negative pressure. A negative pressure hospital room conversion device, comprising: an adapter part (100) partially inserted into the suction terminal (1) and communicating with it; a suction unit 200 connected to one side of the adapter unit 100 to create negative pressure inside the hospital room by sucking in external air; It consists of:
어댑터부(100)는 환자용 침대에 설치된 흡인 단말구(1)와 흡입부(200)를 연결하여 흡인 단말구(1)에서 발생되는 흡인력을 이용하여 병실 내부의 공기를 흡입부(200)를 통하여 흡인하여 병실 내부가 음압을 형성하도록 하는 역할을 한다. The adapter unit 100 connects the suction terminal 1 installed on the patient bed and the suction unit 200, and uses the suction force generated by the suction terminal 1 to pump air inside the hospital room through the suction unit 200. It serves to create negative pressure inside the hospital room through suction.
이를 위하여 어댑터부(100)는 흡인 단말구(1)에 직접적으로 삽입되어 연결되는 잭부재(110)와, 흡인 단말구(1)에서 발생되는 흡인력을 흡입부(200)로 전달할 수 있도록 일측이 잭부재(110)와 연결되고 타측이 흡입부(200)와 연결되는 연결부재(120)를 포함하여 구성되어 있다. For this purpose, the adapter unit 100 has a jack member 110 that is directly inserted and connected to the suction terminal 1, and one side so as to transmit the suction force generated by the suction terminal 1 to the suction unit 200. It is configured to include a connecting member 120 that is connected to the jack member 110 and the other side is connected to the suction part 200.
잭부재(110)는 흡인 단말구(1)의 내부로 꽉 맞물린 상태로 삽입이 가능하도록 잭부재(110)의 직경은 흡인 단말구(1)의 직경과 유사한 직경으로 형성되어 있으며, 그 길이는 흡입부(200)가 어댑터부(100)의 일측에 구비된 상태에서 잭부재(110)가 흡인 단말구(1)에 삽입된 상태가 유지될 수 있을 정도의 길이를 갖도록 형성되는 것이 바람직하다. The jack member 110 has a diameter similar to that of the suction terminal 1 so that it can be inserted in a tightly engaged state into the suction terminal 1, and its length is It is preferable that the jack member 110 be formed to have a length sufficient to maintain the inserted state into the suction terminal 1 while the suction unit 200 is provided on one side of the adapter unit 100.
연결부재(120)는 일측에는 잭부재(110)가 구비되어 있으며, 타측에는 흡입부(200)가 구비되어 흡인 단말구(1)의 흡인력을 어댑터부(100)를 통하여 흡입부(200) 측으로 전달하여 흡입부(200)를 통하여 병실의 내부의 공기를 흡입하여 음압이 형성되도록 하는 역할을 한다. The connecting member 120 is provided with a jack member 110 on one side and a suction portion 200 on the other side to transfer the suction force of the suction terminal 1 to the suction portion 200 through the adapter portion 100. It serves to create negative pressure by sucking the air inside the hospital room through the suction unit 200.
한편, 흡입부(200)는 병실 내부가 음압을 형성할 수 있도록 어댑터부(100)의 일측과 연결되어 외부의 공기를 실질적으로 흡입하는 역할을 하는 부재이다.Meanwhile, the suction unit 200 is a member that is connected to one side of the adapter unit 100 and serves to substantially suck in external air so that negative pressure can be created inside the hospital room.
흡입부(200)를 통하여 병실 내부의 공기를 흡입시에 유속의 흐름이 빠르도록 하여 신속하게 음압을 형성할 수 있도록 외부의 공기가 내부로 유입되는 흡입부(200)의 일측 단부의 주연부는 내측으로 갈수록 점진적으로 폭이 축소되도록 테이퍼지게 형성하는 것이 효과적이다. When sucking in the air inside the hospital room through the suction part 200, the periphery of one end of the suction part 200, where external air flows into the inside, is located on the inner side so that the flow rate can be fast and negative pressure can be quickly formed. It is effective to form it in a tapered manner so that the width gradually decreases as you go.
이러한 흡입부(200)는 흡입부(200)에서 외부의 공기를 흡입하는 정도를 확인할 수 있도록 흡입부(200)의 일측과 연결되도록 설치되는 압력계(300)가 더 설치되어 있다. This suction unit 200 is further equipped with a pressure gauge 300 installed to be connected to one side of the suction unit 200 to check the degree to which external air is sucked from the suction unit 200.
압력계(300)는 흡입부(200)에서 병실의 공기가 흡인 단말구(1)를 통하여 흡인되는 압력을 측정하여 병실 내부가 음압을 형성하기 위하여 흡인 단말구(1)가 정상적으로 작동되고 있는지 여부를 확인할 수 있도록 한다. The pressure gauge 300 measures the pressure at which the air in the hospital room is sucked through the suction terminal 1 in the suction unit 200 to determine whether the suction terminal 1 is operating normally to create negative pressure inside the hospital room. Make sure you can check it.
이러한 압력계(300)는 흡인 단말구(1)의 정상적인 동작을 측정할 수 있도록 할 뿐만 아니라, 병실 내부 자체의 압력을 체크하여 병실 내부가 음압을 정상적으로 잘 형성하고 있는지 여부도 확인하도록 할 수도 있다. This pressure gauge 300 can not only measure the normal operation of the suction terminal 1, but also check the pressure inside the hospital room itself to determine whether the negative pressure inside the hospital room is normally well formed.
만약에 압력계(300)에서 측정한 병실 내부의 압력이 음압을 형성하지 못할 경우에는 압력계(300)를 통하여 신속하게 이를 확인하고 흡입 단말구(1)에 본 발명의 음압병실 전환장치를 설치하여 동작시킴으로써 음압이 형성되도록 할 수 있다. If the pressure inside the hospital room measured by the pressure gauge 300 does not form a negative pressure, this can be quickly confirmed through the pressure gauge 300 and the negative pressure hospital room conversion device of the present invention is installed in the suction terminal 1 and operated. By doing this, negative pressure can be formed.
그리고, 흡입부(200)의 전면에는 흡입부(200) 측으로 전달되는 흡인력을 조절할 수 있도록 하는 별도의 압력 조절 노브(400)가 설치되는데, 압력 조절 노브(400)는 압력계(300)에 의하여 측정된 병실 내부의 압력이 음압 영역을 벗어날 경우에 어댑터부(100)를 통하여 흡인 단말구(1)와 연결된 흡입부(200)를 이용하여 병실 내부를 음압으로 형성시에 흡인력을 조절하여 신속하게 병실 내부가 음압을 형성하도록 하는 역할을 한다. In addition, a separate pressure control knob 400 is installed on the front of the suction unit 200 to adjust the suction force transmitted to the suction unit 200. The pressure control knob 400 is measured by the pressure gauge 300. When the pressure inside the hospital room is outside the negative pressure area, the suction unit 200 connected to the suction terminal 1 through the adapter unit 100 is used to adjust the suction force to create a negative pressure inside the hospital room to quickly fill the hospital room. It plays a role in creating negative pressure inside.
이러한 압력 조절 노브(400)는 흡입부(200)의 전면에 회전 가능하게 설치되어, 사용자가 노브를 손가락으로 그립하여 회전시킴으로써 흡입부(200)에서 흡입되는 압력의 정도를 조절할 수 있도록 하여 병실 내부를 음압으로 형성하는데 소요되는 시간을 조절할 수 있도록 한다. This pressure control knob 400 is rotatably installed on the front of the suction unit 200, allowing the user to adjust the degree of pressure sucked from the suction unit 200 by gripping the knob with a finger and rotating it, thereby allowing the user to adjust the degree of pressure sucked from the suction unit 200. The time required to form negative pressure can be adjusted.
뿐만 아니라, 압력 조절 노브(400)를 조절하여 병실 내부에 형성되어야 하는 음압을 설정함으로써 설정된 음압으로 병실 내부의 압력이 형성되도록 하여 환자의 음압 치료가 이루어질 수 있도록 한다. In addition, by adjusting the pressure control knob 400 to set the negative pressure to be formed inside the hospital room, the pressure inside the hospital room is formed at the set negative pressure, thereby enabling negative pressure treatment of the patient.
한편, 도 3에 도시한 바와 같이, 흡입부(200)에 형성된 흡입구(210)에는 별도의 유량 조절 컨트롤러(500)가 연결되는 것이 효과적이다. Meanwhile, as shown in FIG. 3, it is effective for a separate flow rate control controller 500 to be connected to the suction port 210 formed in the suction unit 200.
유량 조절 컨트롤러(500)는 측정된 외부 압력과 병실 내부의 압력을 확인하여 일정한 부압을 유지하도록 하여 사전에 설정된 적정한 음압을 형성하도록 하는 역할을 한다. The flow control controller 500 checks the measured external pressure and the pressure inside the hospital room to maintain a constant negative pressure to form a preset appropriate negative pressure.
이러한 유량 조절 컨트롤러(500)는 흡입부(200)의 흡입구(210)에 나사 체결되는 체결부(510)와, 체결부(510)에 의하여 일단이 흡입구(210)에 삽입되어 연결되며 타단이 개구 형성되어 개구면이 구비된 구동밸브(520)와, 구동밸브(520)를 구동시키는 구동모터(530)와, 구동모터(530)를 제어하고 외부에서 측정된 압력을 수신받는 컨트롤러(540)와, 외부에 설치되어 외부의 압력을 측정하는 외부압력 측정기(550)를 포함하여 구성되어 있다. This flow control controller 500 has a fastening part 510 that is screwed to the suction port 210 of the suction unit 200, one end of which is inserted into and connected to the suction port 210 by the fastening part 510, and the other end is open. A driving valve 520 formed and provided with an opening surface, a driving motor 530 that drives the driving valve 520, and a controller 540 that controls the driving motor 530 and receives pressure measured from the outside. , It is configured to include an external pressure gauge 550 that is installed outside and measures external pressure.
체결부(510)는 구동밸브(520)의 일측 외면에 회전 가능하게 설치되며 내면에 나사산이 형성된 캡부재로 형성되어 흡입부(200)의 흡입구(210) 외면에 형성된 나사산과 상호 나사 결합되어 유량 조절 컨트롤러(500)와 흡입부(210)가 연결되도록 한다. The fastening part 510 is rotatably installed on one outer surface of the drive valve 520 and is formed of a cap member with a screw thread formed on the inner surface, and is mutually screwed with the screw thread formed on the outer surface of the suction port 210 of the suction part 200 to increase the flow rate. Ensure that the control controller 500 and the suction unit 210 are connected.
구동밸브(520)는 병실 내부에 음압을 형성하기 위하여 흡입부(200)의 내부로 유입되는 유량을 조절할 수 있도록 밸브(520)의 개방 정도를 조절하는 역할을 한다. The drive valve 520 serves to control the degree of opening of the valve 520 to control the flow rate flowing into the suction unit 200 to create negative pressure inside the hospital room.
구동모터(530)는 구동밸브(520)의 개방 정도를 조절하는 역할을 하며, 컨트롤러(540)는 외부압력 측정기(550)에서 측정한 외부 압력에 대한 정보를 수신하고, 수신된 외부 압력에 대한 정보와 압력계(300)에서 측정된 병실 내부의 압력을 비교하여 병실 내부가 지속적으로 음압을 형성할 수 있도록 흡입부(200)를 제어하는 역할을 한다. The drive motor 530 serves to control the degree of opening of the drive valve 520, and the controller 540 receives information about the external pressure measured by the external pressure gauge 550 and provides information about the received external pressure. It serves to control the suction unit 200 so that the inside of the hospital room can continuously create negative pressure by comparing the information with the pressure inside the hospital room measured by the pressure gauge 300.
즉, 외부압력 측정기(550)에서 측정된 외부의 압력과 상기 병실 내부의 압력을 비교하여 상기 병실 내부의 압력이 상승하여 음압이 형성되지 않을 경우에는 컨트롤러(540)에 의하여 흡입부(200)가 구동하도록 함으로써 상기 병실 내부가 음압을 형성할 수 있도록 한다. That is, by comparing the external pressure measured by the external pressure gauge 550 with the pressure inside the hospital room, if the pressure inside the hospital room increases and negative pressure is not formed, the suction unit 200 is operated by the controller 540. By operating it, negative pressure can be created inside the hospital room.
상술한 바와 같은 구성을 갖는 본 발명의 일 실시예에 따른 음압병실 전환장치를 이용하여 병실 내부에 음압을 형성하는 과정을 설명하면 다음과 같다. The process of forming negative pressure inside a hospital room using the negative pressure hospital room conversion device according to an embodiment of the present invention having the configuration described above will be described as follows.
우선, 체결부(510)를 이용하여 유량 조절 컨트롤러(500)가 흡입부(200)의 흡입구(210) 둘레에 체결되도록 하여 결과적으로 유량 조절 컨트롤러(500)와 음압병실 전환장치가 연결되도록 한다. First, the flow rate control controller 500 is fastened around the suction port 210 of the suction unit 200 using the fastening part 510, and as a result, the flow rate control controller 500 and the negative pressure room switching device are connected.
이러한 상태에서 어댑터부(100)의 잭부재(110)를 병실의 환자용 침대에 설치된 흡인 단말구(1)에 삽입하여 본 발명에 따른 음압병실 전환장치와 흡인 단말구(1)를 연결하도록 한다. In this state, the jack member 110 of the adapter unit 100 is inserted into the suction terminal 1 installed on the patient bed in the hospital room to connect the negative pressure hospital room conversion device according to the present invention and the suction terminal 1.
그리고, 흡인 단말구(1)를 작동시키면 흡입부(200)를 개구된 흡입구를 통하여 병실 내부의 공기가 흡입부(200)를 통과하면서 어댑터부(100)를 경유하여 흡인 단말구(1)를 통하여 외부로 배출되면서 서서히 병실 내부의 압력이 낮아지기 시작한다. Then, when the suction terminal (1) is activated, the air inside the hospital room passes through the suction port (200) and the suction terminal (1) via the adapter unit (100). As it is discharged to the outside, the pressure inside the hospital room gradually begins to decrease.
이때, 압력계(300)를 이용하여 병실 내부의 압력을 확인하면서 음압이 형성되고 있는지 여부를 체크하여 병실 내부를 음압으로 형성할 수 있도록 하며, 압력 조절 노브(400)를 이용하여 흡입부(200)의 흡입구로 흡입되는 공기의 정도를 조절할 수 있도록 할 뿐만 아니라, 병실 내부에 형성되는 음압의 수치를 설정하여 병실 내부가 설정된 음압을 형성할 수 있도록 한다. At this time, the pressure inside the hospital room is checked using the pressure gauge 300 to check whether negative pressure is being formed to create a negative pressure inside the hospital room, and the pressure adjustment knob 400 is used to create a negative pressure in the suction unit 200. Not only does it allow you to control the level of air sucked through the inlet, but it also sets the value of the negative pressure formed inside the hospital room to create a set negative pressure inside the hospital room.
그리고, 유량 조절 컨트롤러(500)의 외부압력 측정기(550)에서 측정된 압력과 압력계(300)에서 측정된 압력을 실시간으로 비교하여 병실 내부의 압력이 양압으로 전환되면 유량 조절 컨트롤러(500)의 컨트롤부(540)에 의하여 흡입부(200)가 작동하도록 하여 병실 내부가 음압이 되도록 한다. In addition, the pressure measured by the external pressure gauge 550 of the flow control controller 500 is compared in real time with the pressure measured by the pressure gauge 300, and when the pressure inside the hospital room is converted to positive pressure, the flow control controller 500 is controlled. The suction unit 200 is operated by the unit 540 to create negative pressure inside the hospital room.
이때, 구동모터(530)를 이용하여 구동밸브(520)의 개방 정도를 조절하여 흡입부(200)의 내부로 유입되는 유량을 조절함으로써 음압이 형성되는데 소요되는 시간을 단축시킬 수 있도록 하는 것이 바람직하다. At this time, it is desirable to shorten the time required for negative pressure to be formed by adjusting the opening degree of the driving valve 520 using the driving motor 530 to control the flow rate flowing into the suction part 200. do.
상술한 바와 같은 구성을 갖는 본 발명의 일 실시예에 따른 음압병실 전환장치는 병실에 배치된 환자용 침대에 설치된 흡인 단말구를 이용하여 상시 흡인이 가능하도록 함으로써 병실을 음압으로 즉시 전환할 수 있도록 하여 신속하게 음압 병실을 확보할 수 있다. The negative pressure hospital room conversion device according to an embodiment of the present invention having the above-described configuration allows constant suction using a suction terminal installed on the patient bed arranged in the hospital room, thereby immediately converting the hospital room to negative pressure. A negative pressure room can be quickly secured.
이상은 본 발명에 의해 구현될 수 있는 바람직한 실시예의 일부에 관하여 설명한 것에 불과하므로, 주지된 바와 같이 본 발명의 범위는 위의 실시예에 한정되어 해석되어서는 안 될 것이며, 위에서 설명된 본 발명의 기술적 사상과 그 근본을 함께 하는 기술적 사상은 모두 본 발명의 범위에 포함된다고 할 것이다.The above is only a description of some of the preferred embodiments that can be implemented by the present invention, and therefore, as is well known, the scope of the present invention should not be construed as limited to the above embodiments, and the scope of the present invention as described above should not be construed. Both the technical idea and the technical idea underlying it will be said to be included in the scope of the present invention.

Claims (8)

  1. 병실에 배치된 환자용 침대에 설치된 흡인 단말구(1)를 이용하여 상시 흡인이 가능하도록 함으로써 병실을 음압으로 전환할 수 있도록 하는 음압병실 전환장치로서,A negative pressure hospital room conversion device that converts the hospital room to negative pressure by enabling constant suction using the suction terminal (1) installed on the patient bed placed in the hospital room,
    상기 흡인 단말구(1)에 일부가 삽입되어 연통되는 어댑터부(100)와;An adapter part (100) partially inserted into and communicating with the suction terminal (1);
    상기 어댑터부(100)의 일측과 연결되어 외부의 공기를 흡입함으로써 상기 병실 내부에 음압을 형성하는 흡입부(200)를;a suction unit 200 connected to one side of the adapter unit 100 to create negative pressure inside the hospital room by sucking in external air;
    포함한 것을 특징으로 하는 음압병실 전환장치.A negative pressure room conversion device, characterized in that it includes.
  2. 제1항에 있어서,According to paragraph 1,
    상기 어댑터부(100)는 상기 흡인 단말구(1)의 내부로 삽입되는 잭부재(110)와, 상기 흡인 단말구(1)에서 발생되는 흡인력을 상기 흡입부로 전달할 수 있도록 일측이 상기 잭부재(110)와 연결되고 타측이 상기 흡입부(200)와 연결되는 연결부재(120)를 포함한 것을 특징으로 하는 음압병실 전환장치.The adapter unit 100 includes a jack member 110 inserted into the suction terminal 1, and one side of the jack member (110) to transmit the suction force generated by the suction terminal 1 to the suction unit. A negative pressure hospital room conversion device characterized in that it includes a connecting member 120 connected to 110) and the other side connected to the suction unit 200.
  3. 제1항에 있어서,According to paragraph 1,
    상기 흡입부(200)에서 외부의 공기를 흡입하는 정도를 확인할 수 있도록 상기 흡입부(200)의 일측과 연결되도록 설치되는 압력계(300)가 더 설치된 것을 특징으로 하는 음압병실 전환장치.A negative pressure hospital room conversion device, characterized in that a pressure gauge 300 installed to be connected to one side of the suction unit 200 is further installed to check the degree to which external air is sucked from the suction unit 200.
  4. 제3항에 있어서,According to paragraph 3,
    상기 흡입부(200)의 전면에는 상기 흡입부(200) 측으로 전달되는 흡인력을 조절할 수 있도록 하는 별도의 압력 조절 노브(400)가 설치된 것을 특징으로 하는 음압병실 전환장치.A negative pressure hospital room conversion device, characterized in that a separate pressure control knob (400) is installed on the front of the suction unit (200) to adjust the suction force transmitted to the suction unit (200).
  5. 제1항에 있어서,According to paragraph 1,
    외부의 공기가 내부로 유입되는 입구가 되는 상기 흡입부(200) 일측의 흡입구(210)의 주연부는 내측으로 갈수록 점진적으로 폭이 축소되도록 테이퍼지게 형성된 것을 특징으로 하는 음압병실 전환장치.A negative pressure hospital room conversion device, characterized in that the peripheral portion of the suction port 210 on one side of the suction portion 200, which serves as an inlet through which external air flows into the interior, is tapered so that the width gradually decreases toward the inside.
  6. 제1항 내지 제5항 중 어느 한 항에 있어서,According to any one of claims 1 to 5,
    상기 흡입부(200)에 형성된 흡입구(210)에는 별도의 유량 조절 컨트롤러(500)가 연결된 것을 특징으로 하는 음압병실 전환장치.A negative pressure hospital room conversion device, characterized in that a separate flow rate control controller 500 is connected to the suction port 210 formed in the suction unit 200.
  7. 제6항에 있어서,According to clause 6,
    상기 유량 조절 컨트롤러(500)는 상기 흡입부(200)의 흡입구(210)에 나사 체결되는 체결부(510)와, 상기 체결부(510)에 의하여 일단이 상기 흡입구(210)에 삽입되어 연결되며 타단이 개구 형성되어 개구면이 구비된 구동밸브(520)와, 상기 구동밸브(520)를 구동시키는 구동모터(530)와, 상기 구동모터(530)를 제어하고 외부에서 측정된 압력을 수신받는 컨트롤부(540)와, 외부에 설치되어 외부의 압력을 측정하는 외부압력 측정기(550)를 포함한 것을 특징으로 하는 음압병실 전환장치.The flow control controller 500 is connected to a fastening part 510 that is screwed to the inlet 210 of the suction part 200, and one end of which is inserted into the inlet 210 by the fastening part 510. A driving valve 520 having an open surface at the other end, a driving motor 530 that drives the driving valve 520, and a device that controls the driving motor 530 and receives pressure measured from the outside. A negative pressure hospital room conversion device comprising a control unit 540 and an external pressure meter 550 installed externally to measure external pressure.
  8. 제7항에 있어서,In clause 7,
    상기 외부압력 측정기(550)에서 측정된 외부의 압력과 상기 병실 내부의 압력을 비교하여 상기 병실 내부의 압력이 상승하여 음압이 형성되지 않을 경우에는 자동으로 상기 흡입부(200)가 구동하여 상기 병실 내부가 음압을 형성하도록 하는 것을 특징으로 하는 음압병실 전환장치.By comparing the external pressure measured by the external pressure gauge 550 with the pressure inside the hospital room, if the pressure inside the hospital room increases and negative pressure is not formed, the suction unit 200 is automatically driven to A negative pressure hospital room conversion device characterized in that it creates negative pressure inside.
PCT/KR2022/018200 2022-07-06 2022-11-17 Negative pressure hospital room conversion device WO2024010149A1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4333831B2 (en) * 2002-11-11 2009-09-16 株式会社日本医化器械製作所 Sterile room
JP5695342B2 (en) * 2010-05-11 2015-04-01 近藤工業株式会社 Indoor simple installation type negative pressure isolation room
KR102171573B1 (en) * 2020-04-20 2020-10-29 주식회사 트윈 Negative pressure generator
KR102194329B1 (en) * 2020-05-25 2020-12-23 김병호 Device for forming negative pressue isokation room
KR102258585B1 (en) * 2020-06-08 2021-06-01 신우공조 주식회사 A movable negative pressure apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4333831B2 (en) * 2002-11-11 2009-09-16 株式会社日本医化器械製作所 Sterile room
JP5695342B2 (en) * 2010-05-11 2015-04-01 近藤工業株式会社 Indoor simple installation type negative pressure isolation room
KR102171573B1 (en) * 2020-04-20 2020-10-29 주식회사 트윈 Negative pressure generator
KR102194329B1 (en) * 2020-05-25 2020-12-23 김병호 Device for forming negative pressue isokation room
KR102258585B1 (en) * 2020-06-08 2021-06-01 신우공조 주식회사 A movable negative pressure apparatus

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