Negative pressure ward with disinfection room and application method thereof

Abstract

The present invention provides a negative pressure ward with a disinfection room and an application method thereof. The negative pressure ward includes a ward, a medical workstation and a control system. A buffer room and a disinfection room are provided between the entrance and exit doors of the ward and the medical workstation. An entrance and exit door is provided between the buffer room and the disinfection room. All the entrance and exit doors are provided with a door access system, an automatic door opener and an electromagnetic lock. An active sterilization and disinfection device and a ventilation system are provided in the disinfection room. The disinfection room actively sterilizes and disinfects medical staff and articles entering and leaving the negative pressure ward, reducing the risk of infection for medical staff and patients in other wards. In addition, the medical workstation, the disinfection room, the buffer room and the ward form different levels of air pressure differences. When the door between the buffer room and the disinfection room is opened, the air in the buffer room flows to the disinfection room for sterilization and disinfection and filtration before being discharged, thereby avoiding leakage of air containing viruses and bacteria and preventing pathogenic microorganisms from spreading through the air.

Description

Technical Field

[0001] The invention belongs to the field of negative pressure wards, and in particular relates to a negative pressure ward with a disinfection room and an application method thereof. Background Art

[0002] Negative pressure wards take physical measures to isolate other patients from each other, thereby preventing pathogens from spreading through the air. Negative pressure wards use air pressure differences to achieve physical isolation. When medical staff leave the ward, they may be contaminated with the virus, which poses a potential threat to the health of medical staff and patients in other wards. Summary of the invention

[0003] The purpose of the present invention is to provide a negative pressure ward with a disinfection room and an application method thereof, aiming to solve the problem that the isolation effect of the existing negative pressure ward is not ideal.

[0004] The present invention is implemented as follows: a negative pressure ward with a disinfection room comprises a ward, a medical workstation and a control system, wherein the ward and the medical workstation are separated by a partition wall, and a transfer window is arranged on the partition wall; a buffer room and a disinfection room are arranged between a first access door of the ward and a second access door of the medical workstation, and a third access door is arranged between the buffer room and the disinfection room, and the first access door, the second access door and the third access door are all provided with a contactless access control system, an automatic door opener and an electromagnetic lock, and when the access control system obtains matching information, the automatic door opener opens the door; sensors for detecting the opening and closing status of the door are arranged on the first access door, the second access door and the third access door; a sterilization and disinfection device and a ventilation system using an active sterilization method are arranged in the disinfection room, and the access control system, automatic door opener, electromagnetic lock and sensor on the ventilation system, the first access door, the second access door and the third access door are all electrically connected to the control system.

[0005] Furthermore, the medical workstation and disinfection room, the disinfection room and buffer room, and the buffer room and ward are all equipped with differential pressure gauges.

[0006] Furthermore, the air supply port of the ventilation system is located at the top of the disinfection room, and the air exhaust port thereof is close to the floor of the disinfection room.

[0007] Furthermore, the ward includes a first ward and a second ward, the buffer room includes a first buffer room and a second buffer room, the first ward and the second ward are respectively located on both sides of the medical workstation, the third exit door is respectively provided between the first buffer room and the disinfection room, and between the second buffer room and the disinfection room; the first exit door is respectively provided between the first buffer room and the first ward, and between the second buffer room and the second ward.

[0008] Furthermore, the negative pressure ward also includes an equipment room, the control system is arranged in the equipment room, the equipment room is located between the ward and the medical workstation, the equipment room is separated from the ward and the medical workstation by a wall, and an access door is provided on the outside of the equipment room.

[0009] In order to solve the above problems, the present invention also provides an application method of a negative pressure ward, the method comprising:

[0010] Steps for medical staff to enter the ward:

[0011] Before entering the disinfection room from the medical workstation, the medical staff gives the access control system of the second door an opening command. After the control system receives the door opening command, the ventilation system works to adjust the air pressure in the disinfection room to 5Pa lower than the air pressure of the medical workstation. After waiting for a period of time until the air pressure in the disinfection room is switched and stabilized, the second door automatically opens;

[0012] After the medical staff enters the disinfection room, they give the third door opening command. When the sensor on the second door detects that the second door is closed, the control system in the equipment room starts timing, and at the same time switches the disinfection room from low ventilation rate to high ventilation rate mode, and adjusts the air pressure in the disinfection room to 5Pa lower than the air pressure in the buffer room. After the timing is completed, the disinfection room switches from high ventilation rate back to low ventilation rate, waits for a period of time until the ventilation switch in the disinfection room is completed and stable, the third door automatically opens, and the medical staff enters the buffer room. After the control system detects that all the doors of the disinfection room are closed, it switches the disinfection room to high ventilation rate mode, and waits for a period of time to switch from high ventilation rate to low ventilation rate mode;

[0013] Steps for medical staff to leave the ward:

[0014] After the medical staff enters the buffer room from the ward, they give the access control system of the third exit door an opening command. After receiving the opening command, the control system adjusts the air pressure in the disinfection room to 5Pa lower than the air pressure in the buffer room. After waiting for a period of time until the air pressure in the disinfection room is switched and stabilized, the third exit door to the disinfection room automatically opens. After entering the disinfection room, an opening command is given to the second exit door. The control system detects that the third exit door is closed, and the control system starts timing. At the same time, the air pressure in the disinfection room is adjusted to 5Pa lower than the air pressure in the medical workstation, and the disinfection room is switched from low ventilation rate mode to high ventilation rate mode. After the timing is completed, the disinfection room is switched from high ventilation rate back to low ventilation rate. After waiting for a period of time until the ventilation switch in the disinfection room is completed and stabilized, the second exit door automatically opens, and the medical staff enters the medical workstation; after the control system receives the signal that the disinfection room door is fully closed, it switches back to high ventilation rate mode and waits for a period of time before switching from high ventilation rate to low ventilation rate mode.

[0015] Furthermore, a toilet is provided in the ward, and the air pressures of the medical workstation, buffer room, ward and toilet are -5Pa, 0Pa, -5Pa and -10Pa respectively; when no one is there and the waiting time has passed, the air pressure in the disinfection room is adjusted to maintain -7.5Pa, and it is in a low ventilation rate mode.

[0016] Furthermore, the first entrance door, the second entrance door and the third entrance door are all electric doors, and the opening and closing of the electric doors are controlled by the control system.

[0017] Furthermore, the negative pressure ward has two wards and two buffer rooms, the two wards are respectively located on both sides of the medical workstation, the third access door is respectively provided between the two buffer rooms and the disinfection room; the first access door is respectively provided between one buffer room and one ward, and between another buffer room and another ward; when the medical staff enters another buffer room from one buffer room, the following steps are included:

[0018] After the medical staff enters the adjacent buffer room from a certain ward, they give the access control system of the third exit door an opening command. After receiving the opening command, the control system adjusts the air pressure in the disinfection room to 5Pa lower than the air pressure in the buffer room. After waiting for a period of time until the air pressure in the disinfection room is switched and stabilized, the third exit door to the disinfection room automatically opens. After entering the disinfection room, an opening command is given to another third exit door. The control system detects that the third exit door is closed, and the control system starts timing. At the same time, the air pressure in the disinfection room remains unchanged, and the disinfection room switches from low ventilation rate mode to high ventilation rate mode. After the timing is completed, the disinfection room switches from high ventilation rate back to low ventilation rate. After waiting for a period of time until the ventilation switch in the disinfection room is completed and stabilized, another third exit door automatically opens, and the medical staff enters another buffer room; after the control system receives a signal that the doors of the disinfection room are fully closed, it switches back to the high ventilation rate mode and waits for a period of time before switching from high ventilation rate to low ventilation rate mode.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The negative pressure ward with a disinfection room and the application method provided by the present invention can actively sterilize and disinfect medical staff and articles entering and leaving the negative pressure ward, thereby reducing the infection risk of medical staff and patients in other wards. In addition, the medical workstation, the disinfection room, the buffer room, and the ward form different levels of air pressure differences. When the door between the buffer room and the disinfection room is opened, the air in the buffer room flows to the disinfection room for sterilization and filtration before being discharged, thereby avoiding the leakage of air containing viruses and bacteria and preventing pathogenic microorganisms from spreading through the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1This is a schematic structural diagram of a negative pressure ward with a disinfection room provided in Embodiment 1 of the present invention;

[0022] Figure 2 It is a structural schematic diagram of a negative pressure ward with a disinfection room provided in Embodiment 2 of the present invention. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1 , shows a preferred embodiment provided by the present invention, a negative pressure ward with a disinfection room, including a medical workstation 1, a disinfection room 2, a buffer room 3, an equipment room 4, a ward 5, a toilet 6 and a control system.

[0026] The ward 5 is separated from the medical workstation 1 by a partition wall, and a transfer window 7 is provided on the partition wall. The buffer room 3 and the disinfection room 2 are located between the first access door a of the ward 5 and the second access door b of the medical workstation 1. A third access door c is provided between the buffer room 3 and the disinfection room 2. The control system is arranged in the equipment room 4, which is located between the ward 5 and the medical workstation 1. The equipment room 4 is separated from the ward 5 and the medical workstation 1 by a wall, and an access door is provided on the outside of the equipment room 4.

[0027] The first access door a, the second access door b and the third access door c are all equipped with a contactless access control system, an automatic door opener and an electromagnetic lock. When the access control system obtains matching information, the automatic door opener opens the door. Sensors for detecting the opening and closing status of the doors are provided on the first access door a, the second access door b and the third access door c. A sterilization and disinfection device and a ventilation system using an active sterilization method are provided in the disinfection room 2. Preferably, the air supply port of the ventilation system is located at the top of the disinfection room 2, and the air exhaust port thereof is close to the ground of the disinfection room 2.

[0028] The ventilation system, the access control system, automatic door opener, electromagnetic lock and sensor on the first exit door a, the access control system, automatic door opener, electromagnetic lock and sensor on the second exit door b, and the access control system, automatic door opener, electromagnetic lock and sensor on the third exit door c are all electrically connected to the control system.

[0029] The medical workstation 1 and the disinfection room 2, the disinfection room 2 and the buffer room 3, and the buffer room 3 and the ward 5 are all equipped with differential pressure gauges.

[0030] The application method of the above negative pressure ward is as follows:

[0031] When medical staff need to enter Ward 5:

[0032] Before entering the disinfection room 2 from the medical workstation 1, the medical staff gives the access control system of the second entrance door b an opening command. After the control system receives the door opening command, the ventilation system works to adjust the air pressure in the disinfection room 2 to be 5Pa lower than the air pressure in the medical workstation 1. After waiting for a period of time until the air pressure in the disinfection room 2 is switched and stabilized, the second entrance door b automatically opens;

[0033] After the medical staff enters the disinfection room 2, they give the third exit door c an opening command. When the sensor on the second exit door b detects that the second exit door b is closed, the control system in the equipment room 4 starts timing, and at the same time switches the disinfection room 2 from a low ventilation rate mode to a high ventilation rate mode, and adjusts the air pressure in the disinfection room 2 to be 5Pa lower than the air pressure in the buffer room 3. After the timing is completed, the disinfection room switches from a high ventilation rate back to a low ventilation rate. After waiting for a period of time until the ventilation switch in the disinfection room is completed and stabilized, the third exit door c automatically opens, and the medical staff enters the buffer room 3. After the control system detects that all the doors of the disinfection room 2 are closed, it switches the disinfection room to a high ventilation rate mode, and waits for a period of time to switch from a high ventilation rate to a low ventilation rate mode;

[0034] When medical staff need to leave ward 5:

[0035] After the medical staff enters the buffer room 3 from the ward 5, they give the access control system of the third exit door c an opening command. After receiving the opening command, the control system adjusts the air pressure in the disinfection room 2 to 5Pa lower than the air pressure in the buffer room. After waiting for a period of time until the air pressure in the disinfection room 2 is switched and stabilized, the third exit door c entering the disinfection room 2 automatically opens. After entering the disinfection room 2, an opening command is given to the second exit door b. The control system detects that the third exit door c is closed, and the control system starts timing. At the same time, the air pressure in the disinfection room 2 is adjusted to 5Pa lower than the air pressure in the medical workstation 1, and the disinfection room 2 is switched from a low ventilation rate mode to a high ventilation rate mode. After the timing is completed, the disinfection room 2 is switched from a high ventilation rate back to a low ventilation rate. After waiting for a period of time until the ventilation switch of the disinfection room 2 is completed and stabilized, the second exit door b is automatically opened, and the medical staff enters the medical workstation 1; after the control system receives the signal that the door of the disinfection room 2 is fully closed, it switches back to the high ventilation rate mode and waits for a period of time before switching from a high ventilation rate to a low ventilation rate mode.

[0036] Optionally, the air pressures of the medical workstation 1, buffer room 3, ward 5, and toilet 6 are -5Pa, 0Pa, -5Pa, and -10Pa, respectively; when no one is there and the waiting time has passed, the disinfection room 2 adjusts the air pressure to maintain -7.5Pa and is in a low ventilation rate mode.

[0037] The first entrance door a, the second entrance door b and the third entrance door c are all electric doors, and the opening and closing of all the electric doors are controlled by the control system.

[0038] The negative pressure ward with a disinfection room 2 provided in this embodiment and its application method can actively sterilize and disinfect medical staff and articles entering and leaving the negative pressure ward, thereby reducing the risk of infection for medical staff and patients in other wards. In addition, the medical workstation 1, the disinfection room 2, the buffer room 3, and the ward 5 form different levels of air pressure differences. When the door between the buffer room 3 and the disinfection room 2 is opened, the air in the buffer room 3 flows to the disinfection room 2 for sterilization and filtration before being discharged, thereby preventing the leakage of air carrying viruses and bacteria and preventing pathogenic microorganisms from spreading through the air.

[0039] Embodiment 2:

[0040] Except for the following contents, the other contents of this embodiment are the same as those of the first embodiment:

[0041] See also Figure 2In this embodiment, the wards include a first ward 51 and a second ward 52, and the buffer room includes a first buffer room 31 and a second buffer room 32. The first ward 51 and the second ward 52 are respectively located on both sides of the medical workstation 1. An access door c1 is provided between the first buffer room 31 and the disinfection room 2, and an access door c2 is provided between the second buffer room 32 and the disinfection room 2; an access door a1 is provided between the first buffer room 31 and the first ward 51, and an access door a2 is provided between the second buffer room 32 and the second ward 52.

[0042] The method for medical staff to enter the ward from the medical workstation 1 or return to the medical workstation 1 from the ward is the same as the method in the first embodiment, except that the selected entrance and exit door is different when entering the buffer room from the disinfection room 2.

[0043] When the medical staff enters the second buffer room 32 from the first buffer room 31:

[0044] After the medical staff enters the adjacent first buffer room 31 from the first ward 51, they give the access control system an opening command for the access door c1 between the first buffer room 31 and the disinfection room 2. After receiving the opening command, the control system adjusts the air pressure in the disinfection room 2 to 5Pa lower than the air pressure in the first buffer room 31. After waiting for a period of time until the air pressure in the disinfection room 2 is switched and stabilized, the access door c1 for entering the disinfection room 2 is automatically opened. After entering the disinfection room 2, an opening command is given to another access door c2. The control system detects that the access door c1 is closed, and the control system starts timing. At the same time, the air pressure in the disinfection room 2 remains unchanged, and the disinfection room 2 is switched from a low ventilation rate mode to a high ventilation rate mode. After the timing is completed, the disinfection room 2 is switched from a high ventilation rate back to a low ventilation rate. After waiting for a period of time until the ventilation switch of the disinfection room 2 is completed and stabilized, the access door c2 is automatically opened, and the medical staff enters the second buffer room 32. After receiving the signal that the door of the disinfection room 2 is fully closed, the control system switches back to the high ventilation rate mode and waits for a period of time before switching from a high ventilation rate mode to a low ventilation rate mode.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. In addition, the buffer room of the negative pressure ward with a corridor can be converted into / set up as a disinfection room, and the dressing room for medical staff can be converted into a room with a disinfection function. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An application method of a negative pressure ward, the negative pressure ward comprising a ward, a medical workstation and a control system, characterized in that: The ward and the medical workstation are separated by a partition wall, and a transfer window is arranged on the partition wall; a buffer room and a disinfection room are arranged between the first access door of the ward and the second access door of the medical workstation, and a third access door is arranged between the buffer room and the disinfection room. The first access door, the second access door and the third access door are all provided with a contactless access control system, an automatic door opener and an electromagnetic lock. When the access control system obtains matching information, the automatic door opener opens the door; sensors for detecting the opening and closing status of the door are arranged on the first access door, the second access door and the third access door; a sterilization and disinfection device and a ventilation system using an active sterilization method are arranged in the disinfection room, and the ventilation system, the sensor on the first access door, the sensor on the second access door and the sensor on the third access door are all electrically connected to the control system; it is characterized in that it includes: Steps for medical staff to enter the ward: Before entering the disinfection room from the medical workstation, the medical staff gives the access control system of the second door an opening command. After the control system receives the door opening command, the ventilation system works to adjust the air pressure in the disinfection room to 5Pa lower than the air pressure of the medical workstation. After waiting for a period of time until the air pressure in the disinfection room is switched and stabilized, the second door automatically opens; After the medical staff enters the disinfection room, they give the third door opening command. When the sensor on the second door detects that the second door is closed, the control system in the equipment room starts timing, and at the same time switches the disinfection room from low ventilation rate to high ventilation rate mode, and adjusts the air pressure in the disinfection room to 5Pa lower than the air pressure in the buffer room. After the timing is completed, the disinfection room switches from high ventilation rate back to low ventilation rate, waits for a period of time until the ventilation switch in the disinfection room is completed and stable, the third door automatically opens, and the medical staff enters the buffer room. After the control system detects that all the doors of the disinfection room are closed, it switches the disinfection room to high ventilation rate mode, and waits for a period of time to switch from high ventilation rate to low ventilation rate mode; Steps for medical staff to leave the ward: After the medical staff enters the buffer room from the ward, they give the access control system of the third exit door an opening command. After receiving the opening command, the control system adjusts the air pressure in the disinfection room to 5Pa lower than the air pressure in the buffer room. After waiting for a period of time until the air pressure in the disinfection room is switched and stabilized, the third exit door to the disinfection room automatically opens. After entering the disinfection room, an opening command is given to the second exit door. The control system detects that the third exit door is closed, and the control system starts timing. At the same time, the air pressure in the disinfection room is adjusted to 5Pa lower than the air pressure in the medical workstation, and the disinfection room is switched from low ventilation rate mode to high ventilation rate mode. After the timing is completed, the disinfection room is switched from high ventilation rate back to low ventilation rate. After waiting for a period of time until the ventilation switch in the disinfection room is completed and stabilized, the second exit door automatically opens, and the medical staff enters the medical workstation; after the control system receives the signal that the disinfection room door is fully closed, it switches back to high ventilation rate mode and waits for a period of time before switching from high ventilation rate to low ventilation rate mode.

2. The method for using a negative pressure ward as claimed in claim 1, characterized in that: The ward is also equipped with a toilet. The air pressures of the medical workstation, buffer room, ward and toilet are -5Pa, 0Pa, -5Pa and -10Pa respectively. When no one is in the disinfection room and the waiting time has passed, the air pressure is adjusted to maintain -7.5Pa and is in a low ventilation rate mode.

3. The method for using a negative pressure ward as claimed in claim 1, characterized in that: The first entrance door, the second entrance door and the third entrance door are electric doors, and the opening and closing of the electric doors are controlled by the control system.

4. The method for using a negative pressure ward according to any one of claims 1 to 3, characterized in that: The negative pressure ward has two wards and two buffer rooms, the two wards are located on both sides of the medical workstation, the third access door is respectively provided between the two buffer rooms and the disinfection room; the first access door is respectively provided between one buffer room and one ward, and between another buffer room and another ward; when the medical staff enters another buffer room from one buffer room, the following steps are included: After the medical staff enters the adjacent buffer room from a certain ward, they give the access control system of the third exit door an opening command. After receiving the opening command, the control system adjusts the air pressure in the disinfection room to 5Pa lower than the air pressure in the buffer room. After waiting for a period of time until the air pressure in the disinfection room is switched and stabilized, the third exit door to the disinfection room automatically opens. After entering the disinfection room, an opening command is given to another third exit door. The control system detects that the third exit door is closed, and the control system starts timing. At the same time, the air pressure in the disinfection room remains unchanged, and the disinfection room switches from low ventilation rate mode to high ventilation rate mode. After the timing is completed, the disinfection room switches from high ventilation rate back to low ventilation rate. After waiting for a period of time until the ventilation switch in the disinfection room is completed and stabilized, another third exit door automatically opens, and the medical staff enters another buffer room; after the control system receives a signal that the doors of the disinfection room are fully closed, it switches back to the high ventilation rate mode and waits for a period of time before switching from high ventilation rate to low ventilation rate mode.

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