JP6836045B2 - Operating room air conditioning system - Google Patents

Description

The present invention relates to an air conditioning system for an operating room in a medical facility.

Conventionally, as a treatment room in a medical facility, an operating room having a function of performing an operation (operation) of a patient on the spot as needed is known. The air conditioning system of this type of operating room is a clean room because it is necessary to prevent infection during surgery, and the outlet is arranged so as to blow clean air around the operating table (for example, patent). Reference 1).
Then, in a general clean room, a high-performance filter is installed at the outlet, and clean air is blown out from the outlet at a low speed so as to drop directly downward to clean the area around the operating table. There is. Therefore, the outlet is provided directly above the operating table. Further, in such a conventional clean room air-conditioning system in a hospital, the total amount of air-conditioned air is blown out from the air outlet at the upper part of the operating table and the return air is sucked from the return air port provided at the lower part of the wall surface of the outer periphery to circulate. Air conditioning systems are common.

Japanese Unexamined Patent Publication No. 2006-112755

However, the air conditioning equipment in the conventional operating room has the following problems.
That is, in the operating room, the temperature in the operating room is kept within the set range by changing the temperature of the air blown from the air outlet provided in the upper part of the operating table, so that the temperature around the operating table fluctuates and the comfort is not good. There was a drawback that was sufficient.
In addition, air-conditioning operation is performed by setting the temperature prioritizing the surgeons and patients around the operating table. Therefore, there is a drawback that the comfort is further insufficient in the area of the medical staff who works on the outer periphery of the operating room.
In addition, the wind speed of the cold air blown out from the outlet is about 0.3 m / s, and after descending to the floor surface, it becomes a short circuit flow toward the return air port, so the air on the outer periphery in the operating room is stagnant. It was easy and there was room for improvement in that respect.

The present invention has been made in view of the above-mentioned problems, and provides an air-conditioning system for an operating room that can improve comfort in an outer peripheral area located around an operating table and an outer peripheral portion thereof in the operating room. The purpose.

In order to achieve the above object, the operating room air-conditioning system according to the present invention is an air-conditioning system applied to an operating room having an operating table in a medical facility, and the operating table and the central portion in the ceiling of the operating room It has a first outlet provided above the operating table and a second outlet provided on the ceiling above the outer peripheral area located on the outer peripheral portion outside the operating table in the operating room. A first air conditioner for sucking the return air from the operating room is provided, and the temperature-adjusted supply air of the return air sucked by the first air conditioner is blown out from the first outlet toward the operating table. One system and a second air conditioner for sucking the return air from the operating room are provided, and the temperature-adjusted supply air of the return air sucked by the second air conditioner is directed from the second outlet to the outer peripheral area. possess a second system, the blowing out Te, at above the first suction port provided in the first air-conditioner and the second air-conditioner of the operating room, on the ceiling facing at least the peripheral area, wherein It is characterized by being provided with a second suction port for sucking the return air of the operating room.

In the present invention, the temperature of the return air of the operating room sucked by the first suction port in the first system is adjusted to an appropriate temperature by the first air conditioner, and the temperature-adjusted air supply is directed from the first outlet to the operating table. Can be blown out. As a result, the operating table and the surgeon around the operating table can work at a comfortable temperature. On the other hand, the return air of the operating room sucked by the first suction port by the second system provided separately from the first system is temperature-adjusted to an appropriate temperature by the second air conditioner, and the temperature-adjusted air supply is the second. It can be blown from the air outlet toward the outer peripheral area located on the outside of the operating table. In this way, by providing a second system that is separate from the first system that mainly blows out to the operating table, it is possible to control the temperature for air conditioning in both the area around the operating table and the outer peripheral area. It is possible to improve the temperature environment of the surgeon and the medical staff working in the outer peripheral area.
Moreover, since the supply air is blown out from the second outlet, it is possible to suppress the stagnation of air staying in the outer peripheral area. That is, since a flow can be generated in the air in the outer peripheral area, the cleanliness environment in the outer peripheral area can be improved.

In this case, since the return air of the outer peripheral area is sucked from the second suction port provided on the ceiling facing the outer peripheral area, it is possible to prevent air stagnation in this outer peripheral area and to improve the cleanliness environment of the outer peripheral area. It can be improved further.

Further, in the air conditioning system of the operating room according to the present invention, the second suction port may be connected to the first outlet via a circulation fan.

In this case, the return air sucked by the second suction port can be efficiently circulated by blowing it out from the first outlet toward the operating table via the circulation fan. Then, the circulation fan makes it possible to increase the air volume from the first outlet.

Further, in the air-conditioning system of the operating room according to the present invention, a first temperature sensor for detecting the blowout temperature is provided around the operating table or around the first air outlet, and the temperature of the return air is provided in the outer peripheral area. A second temperature sensor is provided to detect the temperature, and the temperature is adjusted to the temperature required by the surgeon based on the detection value of the first temperature sensor in the first air conditioner, and the temperature is adjusted in the second air conditioner. 2 It is characterized in that the temperature is adjusted to the temperature required by the medical staff based on the detected value of the temperature sensor.

In the present invention, the temperature required by the surgeon in the operating table area around the operating table can be adjusted based on the detection value of the first temperature sensor, and the temperature required by the medical staff in the outer peripheral area can be adjusted by the second temperature sensor. It can be adjusted based on the detected value, and each of the first air conditioner and the second air conditioner can be controlled separately. That is, the temperature of the operating table area can be adjusted so as to be maintained substantially constant by the first air conditioner, and the temperature of the outer peripheral area can also be adjusted to be an appropriate temperature by the second air conditioner.

According to the air-conditioning system of the operating room of the present invention, it is possible to improve the comfort in the outer peripheral area located around the operating table and the outer peripheral portion thereof in the operating room.

It is a side view which shows the schematic structure of the air-conditioning system of the operating room by embodiment of this invention. It is a system diagram of the air conditioning system shown in FIG. It is a layout drawing of the operating room provided with the air conditioning system shown in FIG.

Hereinafter, the air conditioning system of the operating room according to the embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 1, the air-conditioning system for an operating room according to the present embodiment is applied to an operating room in a medical facility such as a hospital, for example, an operating room 1 having a substantially rectangular plane shape. By arranging one first air conditioner 2 (2A) and a plurality of second air conditioners 2 (2B) facing the operating room 1, these air conditioners 2A and 2B air-condition the operating room 1. It is based on doing. An operating table 10 is installed in the center of the operating room 1.
In particular, in the operating room 1, it is necessary to perform strict temperature and humidity control every moment according to the operation status, and in the air conditioning system of the present embodiment, such advanced temperature and humidity control is performed with a relatively simple configuration. It is configured as something that can be reliably implemented.

The air-conditioning system of the present embodiment includes a first outlet 32 provided above the operating table 10 in the central portion of the ceiling 11 of the operating room 1 and a lower suction port 23 (first suction port) provided on the outer peripheral wall surface. It has an upper suction port 4 provided on the ceiling 11 above the outer peripheral area N located on the outer peripheral portion of the operating table 10 in the operating room 1. Further, the air conditioner system includes a first air conditioner 2A that sucks the return air RA from the operating room 1, and operates an air supply SA whose temperature is adjusted for the return air RA sucked by the first air conditioner 2A from the first outlet 32. A supply air SA having a first system P1 that blows out toward the table 10 and a second air conditioner 2B that sucks the return air RA from the operating room 1 and whose temperature is adjusted for the return air RA sucked by the second air conditioner 2B. It has a configuration having a second system P2 that blows out from the second air outlet 34 toward the outer peripheral area N.

The first outlet 32 and the second outlet 34 are provided with a first filter unit 31 and a second filter unit 33, respectively, which are provided with a high-performance filter.

2 and 3 are system diagrams embodying the air conditioning system shown in FIG. That is, in the air conditioning system according to the present embodiment, as described above, the first system P1 forming the air conditioning system from the first air conditioner 2A to the first air outlet 32 and the second air conditioner 2B to the second air outlet 34 It has a second system P2 that forms an air conditioning system up to.

In the air conditioning system of the present embodiment, as shown in FIGS. 2 and 3, the air conditioners 2A and 2B are arranged at positions facing the operating room 1, and the return air RA from the operating room 1 is set as the air conditioners 2A and 2B. Suck into each of the.
In the first system P1, the air supply SA whose temperature has been adjusted by the first air conditioner 2A is blown by the air supply duct 35 toward the first air outlet 32 installed in the central portion of the ceiling 11 of the operating room 1, and further, the first. It is configured to pass through the filter unit 31 and blow out from the first outlet 32 toward the operating table 10 below.
Further, in the second system P2, the outer peripheral portion of the first air outlet 32 in which the air supply SA whose temperature is adjusted by each of the two second air conditioners 2B and 2B is installed on the ceiling 11 of the operating room 1 by the air supply duct 36. The air is blown to each of the two second air outlets 34 and 34 arranged in the above, and further passed through the second filter unit 33 to be blown out from the second air outlet 34 toward the lower outer peripheral area N. ..

The first air conditioner 2A has a cooling coil 21 to which cold water or refrigerant for cooling / dehumidifying is supplied from a cold heat source device (not shown), and hot water for heating / reheating is supplied from a hot heat source device (not shown). The heating coil (or electric heater) 22 to be used is independently incorporated in a self-supporting vertical casing 20. Further, the casing 20 has a lower suction port 23 of the return air RA arranged on the side surface of the bottom, an outlet 24 of the supply air SA arranged on the top, and a blower above the cooling coil 21 and the heating coil 22. 25 and. If the external conditioner 5 described later is not provided, a humidifier (not shown) may be provided.

In the first air conditioner 2A configured in this way, the return air RA sucked into the casing 20 from the lower suction port 23 by the blower 25 is cooled by the cooling coil 21 and heated and reheated by the heating coil 22. Is performed simultaneously or selectively according to the temperature of the operating room 1 at that time, so that the air supply SA at a desired temperature can be adjusted efficiently and accurately. If the external air conditioner 5 is not provided, the first air conditioner 2A can be provided with a dehumidifying / heating function.

Then, in order to perform such processing automatically, accurately and quickly, an outlet temperature sensor T1 (first temperature sensor) for detecting the outlet temperature is installed inside the first outlet 32. In this air conditioning system, the temperature of the operating room 1 is controlled every moment with high accuracy by controlling the cooling control and the heating control by an algorithm by a known proportional control (PID control) based on the detection result of the blowout temperature sensor T1. It is configured to be able to blow air at the temperature required by the surgeon around the operating table 10.
The mounting position of the outlet temperature sensor T1 is not limited to the inside of the first outlet 32, and may be installed around the operating table 10 so that the temperature around the operating table 10 can be detected. In this case, the blowout temperature sensor T1 is not limited to being wired, and can be prevented from being wired around the operating table 10 by enabling wireless communication.

The second air conditioner 2B has a configuration using a cooling / heating coil 26 in which the cooling coil 21 and the heating coil 22 of the first air conditioner 2A described above are integrally provided, and the configuration other than the cooling / heating coil 26 is the first. It is almost the same as the air conditioner 2A. That is, in the casing 20 of the second air conditioner 2B, the cooling / heating coil 26 described above, the lower suction port 23 of the return air RA arranged on the side surface of the bottom, and the blowout of the supply air SA arranged on the top. A unit 24 and a blower 25 above the cooling / heating coil 26 are provided.

A wall temperature sensor T2 (second temperature sensor) for detecting the temperature of the return air RA is installed on the wall surface of the operating room 1. In the second air conditioner 2B, the temperature is adjusted to correspond to the detected value of the wall surface temperature sensor T2.

The second air conditioner 2B configured in this way cools and heats the return air RA sucked into the casing 20 from the lower suction port 23 by the blower 25 by the cooling / heating coil 26 at that time in the operating room 1. It is possible to efficiently and accurately adjust to a desired room temperature by selectively performing the operation according to the temperature in the above.

As shown in FIGS. 2 and 3, in the present embodiment, the ceiling 11 facing the outer peripheral area N is provided with an upper suction port 4 (second suction port) for sucking the return air RA of the operating room 1. There is. The upper suction port 4 is connected to the first outlet 32 by a duct 42. Further, the duct 42 is provided with a circulation fan 41, and is configured to circulate the return air RA sucked by the upper suction port 4 so as to be blown out from the first outlet 32.
The upper suction port 4 is above the lower suction port 23 provided in each of the first air conditioner 2A and the second air conditioner 2B, and is at least one of the ceiling 11 and the side wall 12 facing the outer peripheral area N. It suffices if it is provided in the part, and it is not limited to the ceiling 11 as in the present embodiment.

Further, the air conditioning system of the present embodiment includes an external air conditioner 5 for processing the outside air OA to be supplied to the operating room 1, and the outside air SOA processed by the external air conditioner 5 is subjected to the outside air duct 51. It is configured to supply to 1 filter unit 31 and 1st outlet 32. That is, the air supply SA from the first air conditioner 2A and the outside air SOA from the external air conditioner 5 are mixed in the first filter unit 31 and blown out to the operating room 1.
In addition to the above elements, if necessary, an exhaust facility for exhausting from the operating room 1 may be installed according to the amount of outside air OA supplied to the operating room 1, and each of the above configurations may be installed. It is preferable that all the elements are controlled by being related to each other by a control panel (not shown).
It is also possible to supply the outside air OA to the first air conditioner 2A only by the blower without providing the external air conditioner 5, and to perform dehumidification and humidification by the first air conditioner 2A.

Next, the operation of the air conditioning system in the operating room described above will be described in detail.
In the present embodiment, as shown in FIG. 2, the return air RA of the operating room 1 sucked by the lower suction port 23 in the first system P1 is temperature-adjusted to an appropriate temperature by the first air conditioner 2A, and the temperature is adjusted. The air supply SA can be blown out from the first outlet 32 toward the operating table 10. As a result, the operating table 10 and the surgeon around the operating table 10 can work at a comfortable temperature. On the other hand, the return air RA of the operating room 1 sucked by the lower suction port 23 by the second system P2 provided separately from the first system P1 is temperature-adjusted to an appropriate temperature by the second air conditioner 2B, and the temperature-adjusted supply is performed. Qi SA can be blown out from the second outlet 34 toward the outer peripheral area N located outside the operating table 10.

In this way, by providing the second system P2, which is a separate system from the first system P1 that mainly blows out to the operating table 10, the temperature for air conditioning in both the area around the operating table 10 and the outer peripheral area N is targeted. It can be controlled and the cleanliness environment of the surgeon and the medical staff working in the outer peripheral area N can be improved.
Moreover, since the air supply SA is blown out from the second outlet 34, it is possible to suppress the stagnation of air staying in the outer peripheral area N. That is, since the air in the outer peripheral area N can be made to flow, the cleanliness environment of the outer peripheral area N can be improved.

Further, in the present embodiment, since the return air RA of the outer peripheral area N is sucked from the upper suction port 4 provided on the ceiling 11 facing the outer peripheral area N, stagnation of air in the outer peripheral area N can be prevented. , The cleanliness environment of the outer peripheral area N can be further improved.

Further, in the air conditioning system according to the present embodiment, since the upper suction port 4 is connected to the first outlet 32 via the circulation fan 41, the return air RA sucked by the upper suction port 4 is used as the circulation fan 41. It is possible to efficiently perform circulation by blowing out from the first outlet 32 toward the operating table 10 via the above. Then, the circulation fan 41 makes it possible to increase the air volume from the first outlet 32.

Further, in the present embodiment, the temperature of the operating table area around the operating table 10 can be controlled according to the detection value of the blowout temperature sensor T1, and the temperature of the medical staff in the outer peripheral area N can be controlled. It can be performed corresponding to the detected value of the wall surface temperature sensor T2, and each of the first air conditioner 2A and the second air conditioner 2B can be controlled separately. That is, the temperature of the operating table area can be adjusted so as to be maintained substantially constant by the first air conditioner 2A, and the temperature of the outer peripheral area N can also be adjusted to be an appropriate temperature by the second air conditioner 2B.

Although the embodiment of the air conditioning system for the operating room according to the present invention has been described above, the present invention is not limited to the above-described embodiment and can be appropriately changed without departing from the spirit of the present invention.

For example, in the present embodiment, the upper suction port 4 is provided on the ceiling 11 of the operating room 1, but the upper suction port 4 and the circulation fan 41 can be omitted.
Further, the second air outlet 34 of the second air conditioner 2B can be provided on the upper part of the outer peripheral wall surface.

Further, in the present embodiment, the first system P1 connected from the first air conditioner 2A to the first air outlet 32, and the second system P2 connected from the second air conditioner 2B to the second air outlet 34. Although the air conditioning system consists of two systems, the second system P2 is omitted and only the first system P1 is used, and it is located above the lower suction port 23 in the operating room 1 and on the outer periphery of the operating table 10. At least a part of the ceiling 11 and the side wall 12 of the operating room 1 facing the outer peripheral area N may be provided with an upper suction port 4 (second suction port) for sucking the return air RA of the operating room 1. Good.
In this case, the temperature of the return air RA of the operating room 1 sucked by the lower suction port 23 is adjusted to an appropriate temperature by the first air conditioner 2A, and the temperature-adjusted air supply SA is directed from the first outlet 32 toward the operating table 10. Can be blown out. Then, since the return air of the outer peripheral area N is sucked from the upper suction port 4, it is possible to prevent the stagnation of air in the outer peripheral area N. That is, since the air in the outer peripheral area N can be made to flow, the cleanliness environment of the outer peripheral area N can be improved.

The size (area) of the first air outlet 32 and the second air outlet 34, the number of the second air conditioners 2B, the number of the second air outlet 34 installed, the position, and the like are the size of the operating room 1. It can be appropriately set according to conditions such as the area and the position of the operating table 10.

In addition, it is possible to replace the components in the above-described embodiment with well-known components without departing from the spirit of the present invention.

1 Operating room 2 Air conditioner 2A 1st air conditioner 2B 2nd air conditioner 4 Upper suction port (2nd suction port)
5 External conditioner 10 Operating table 11 Ceiling 12 Side wall 20 Casing 23 Lower suction port (1st suction port)
24 Blower 25 Blower 31 1st filter unit 32 1st outlet 33 2nd filter unit 34 2nd outlet P1 1st system P2 2nd system N Outer peripheral area T1 Blow temperature sensor (1st temperature sensor)
T2 wall surface temperature sensor (second temperature sensor)
RA return air SA supply

Claims (3)

An air conditioning system applied to operating rooms with operating tables in medical facilities.
Above the operating table and the first outlet provided above the operating table in the central portion of the ceiling of the operating room, and the outer peripheral area located on the outer peripheral portion outside the operating table in the operating room. It has a second outlet provided on the ceiling,
A first air conditioner for sucking the return air from the operating room is provided, and the temperature-adjusted supply air of the return air sucked by the first air conditioner is blown out from the first outlet toward the operating table. System and
A second air conditioner for sucking the return air from the operating room is provided, and the temperature-adjusted supply air of the return air sucked by the second air conditioner is blown out from the second outlet toward the outer peripheral area. System and
Have a,
A second suction that sucks the return air of the operating room into the ceiling facing at least the outer peripheral area above the first suction port provided in the first air conditioner and the second air conditioner in the operating room. An operating room air conditioning system characterized by having a mouth. The air conditioning system for an operating room according to claim 1 , wherein the second suction port is connected to the first air outlet via a circulation fan. A first temperature sensor for detecting the blowing temperature is provided around the operating table or around the first outlet.
A second temperature sensor for detecting the temperature of the return air is provided in the outer peripheral area.
In the first air conditioner, the temperature is adjusted to the temperature required by the surgeon based on the detection value of the first temperature sensor.
The air conditioning system for an operating room according to claim 1 or 2 , wherein in the second air conditioner, the temperature is adjusted to a temperature required by a medical staff based on a value detected by the second temperature sensor.

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