JPH0623000A - Sterilized bed device - Google Patents

Abstract

PURPOSE:To easily change the degree of cleanliness in a bed accommodating space by installing a clean air feeding source at one opened port edge formed on one between two edge walls of a bed room unit and installing an inlet unit at the other opened port edge. CONSTITUTION:A sterilized bed device 1 is equipped with a bed room unit 2 having a bed accommodation space 7 which has a nearly parallelepiped shape and accommodates a bed 6, and a clean air feeding source 3 is installed in a demountable manner at the opened port edge of one edge wall 2a of the unit 2. Further, an inlet unit 4 is installed in a demountable manner on the other edge wall 2b of the unit 2, and the clean air feeding source 3 and the inlet unit 4 are connected with a duct 5 which is arranged on the side of the unit 2 and has a prefilter 21 built in. The inlet unit 4 is equipped with an opening/closing door 13 which is automatically opened and closed by the approach of a doctor, etc., from outside and a door 14 which is manually opened and closed are installed, and a curtain 26 which can be opened and closed is suspended at the inlet unit 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aseptic bed apparatus used in a hospital for sterilizing biological particles.

[0002]

2. Description of the Related Art In recent years, with the advancement of medical treatment such as chemotherapy, bone marrow transplant, and organ transplant, treatment under a sterile environment
The need for medical treatment is increasing. In response, HEPA
Aseptic hospital rooms using filters have been developed and adopted. In the case of a sterile hospital room, an operating room or ICU (Intensive Car)
Compared to e Unit), the patient has to live for a relatively long period of time, so in addition to the sterilization performance required for treatment, it is indispensable that the convenience of nursing and the comfort of the patient are excellent. Becomes

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a sterile bed apparatus which is provided with aseptic performance required for treatment and is excellent in convenience of nursing and comfort of a patient.

[0004]

The present invention is a substantially rectangular parallelepiped, and has a bed storage space for storing a bed,
A bedroom unit having an opening end communicating with a bed storage space in two end walls, a clean air supply source that is removable from one opening end of the bedroom unit, and supplies clean air to the opening end, and a bed The entrance unit, which is detachable from the other opening end of the room unit, has an opening / closing door, and forms an entrance space communicating with the bed storage space, and the entrance unit and the clean air supply source on the side of the bedroom unit. A sterile bed apparatus comprising: a duct for connecting and guiding air from the side of the inlet space to a clean air supply source.

Further, the present invention is characterized in that a curtain that can be opened and closed is provided in the entrance unit, and the curtain can be opened and closed near the side portion of the entrance space.

[0006]

According to the present invention, the clean air supply source is attached to one of the opening ends formed in the two side walls of the bedroom unit which is substantially a rectangular parallelepiped, and the inlet unit is attached to the other opening end. To do. Therefore, it is possible to easily change the desired degree of cleanliness by replacing the clean air supply source with different cleanliness of clean air, and it is convenient that the bedroom unit and the entrance unit can be used in common. is there.

When the bedroom unit is fumigated with, for example, formalin to clean it, only the bedroom unit needs to be replaced, and the new bedroom unit can be used for medical treatment of the patient and cleaning. Is easy.

Furthermore, according to the present invention, the bedroom unit, the clean air supply source, and the entrance unit can be divided and moved to the passage and entrance of a building such as a hospital. Therefore, the bedroom unit, the clean air supply source, and the entrance unit can be made as large as possible, and in particular, the bedroom unit and the entrance unit can be made large to improve the habitability, which is especially the case during long-term medical treatment. It is preferable and therefore the comfort of the patient is improved and the convenience of nursing is improved.

Still further in accordance with the present invention, a clean air source can be used to ensure the sterility required for treatment.

Further, according to the present invention, since a curtain is provided in the entrance unit so as to be openable and closable near the side where the duct of the entrance space is attached, the entrance can be opened to allow a doctor, a nurse, etc. When the air enters the entrance space and the bed storage space, the air in the bed storage space in which the patient resides is not polluted, and the safety of the patient is ensured.

[0011]

1 is a horizontal sectional view of an embodiment of the present invention, FIG. 2 is a front view thereof, FIG. 3 is a left side view thereof, and FIG. 4 is shown in FIGS. It is a system diagram which simplifies and shows an Example. With reference to these drawings, the sterile bed apparatus 1 basically includes a bedroom unit 2 and a clean air supply source 3 that is detachable from an open end of one end wall 2a of the bedroom unit 2. An inlet unit 4 that is attachable to and detachable from the other end wall 2b of the bedroom unit 2, and a duct 5 that connects the inlet unit 4 and the clean air supply source 3 on one side of the bedroom unit 2. .

The bedroom unit 2 is a substantially rectangular parallelepiped and has a bed storage space 7 for storing the bed 6. In this bed 6, the end 8 on the clean air supply source 3 side is the head side of the patient. A portable toilet 9 and a floor top 10 are provided in the bed storage space 7, a bed 10 is provided with a toilet 10a that can be used while lying down, and a patient sleeping in the bed 6 is further provided. A movable table 11 which is movable to the left and right in FIG. The end 12 of the table 11 is horizontally movable above the bed 6 in FIG. 1. At a distance D on the side of the bed 6 in the bed storage space 7, the patient can walk on the floor. The bed storage space 7 of the bedroom unit 2 is supplied with the sterilized clean air over the entire surface from the clean air supply source 3 to the open end of the end 2a.

The entrance unit 4 is provided with an opening / closing door 13 which is detachably connected to the open end of the end 2b of the bedroom unit 2 and can be automatically opened / closed by the approach of a doctor or a nurse from the outside. A door 14 that can be opened and closed manually is provided. These doors 13, 1
4 can be opened and closed around the vertical axis by hinges 15 and 16. An opening 18 is formed in the lower part of one side of the entrance space 17 of the entrance unit 4 and the dirty air in the entrance space 4 passes through the opening 18 and is cleaned in the duct 5. It is circulated back to the air supply source 3. A duct 20 having an opening 19 is connected to the duct 5, and a pre-filter 21 is built in the duct 20. Large particles of large diameter are removed from the outside air by the filter 21. The air from the outside merges into the duct 5 from the opening 19 through the duct 20. In this way, the bed storage space 7 and the entrance space 17 of the bedroom unit 2 are positively pressured, and invasion of dirty air from the outside is prevented.

The units 2, 3, 4 and the duct 5 are
After being individually brought into the hospital room, it can be easily and airtightly assembled by using the so-called one-touch type connecting fittings provided at the joints of the ends 2a and 2b of the bedroom unit 2, and thus the bed can be stored. The space 7 and the entrance space 17 constitute a one room independent from the outside. Also duct 5
Is airtightly attachable to and detachable from the inlet unit 4 at the opening 18, and its duct 5 is attachable to and detachable from the clean air supply source 3. The casters 22, 23, 24 for movement are provided in the lower part of each of these units 2, 3, 4 so that the units can be easily relocated in the hospital room, and the units 2, 3, 4 can be easily replaced. It is easy to carry into the hospital room.

A curtain 26 that can be opened and closed is suspended in the entrance unit 4. The curtain 26 is made of a flexible sheet of airtight synthetic resin or the like, extends vertically from the ceiling of the entrance unit 4 to the floor, and the side of the entrance space 17 on the side of the opening 18 to which the duct 5 is connected. The curtain 26 can be opened by retracting and retracting as shown by reference numeral L2 in FIG.
As shown in FIG. 2, the part 27 of the opening end 2b is opened and the semi-sterile area 28 on the opening / closing doors 13 and 14 side of the entrance space 17 and the aseptic area 2 closer to the storage space 7 than the curtain 26 are shown.
It can be partly partitioned so that 9 and 9 are formed.

FIG. 5 is a simplified plan view mainly showing the flow of air in the aseptic bed apparatus 1 according to one embodiment of the present invention. In the bed storage space 7 of the bedroom unit 2, for example, 99.99 for 0.3 μm particles.
Clean air is delivered from the HEPA filter 32 having a dust removal efficiency of not less than%. This clean air is blown out as a horizontal normal flow from a laminar flow outlet 33 provided on the entire wall surface from the floor surface to the ceiling surface of the head-side end 8 of the bed 6 in the bed storage space 7. The air that has passed through the bed storage space 7 of the bedroom unit 2 passes through the aseptic region 29 partitioned by the curtain 26, the opening portion 27, and the semi-sterile region 28 as shown by the arrow 34 to open. It is sucked into the duct 5 from the end portion 18, and is returned to the clean air supply source 3 again as indicated by the arrow 35 and is recycled. In the clean air supply source 3, the air indicated by the arrow 35 passes through a heat exchanger 36 that acts as an evaporator for cooling or as a condenser for heating, and from a centrifugal fan 37 to H
The pressure is fed to the EPA filter 32. The heat exchanger 36 constitutes a part of the air conditioner 38, and the air conditioner 38
Constitutes a refrigeration cycle including a compressor for compressing a heat medium, an expansion valve and the like.

In order to always keep the inside of the bed storage space 7 of the bedroom unit 2 clean, as described above, the curtain 2 is used.
A semi-sterile zone 28 divided by 6 is provided. Therefore, when the opening / closing door 13 or 14 is opened to enter the bed storage space 7, it is possible to first enter the sterile area 29, which is a clean area, from the downstream side of the clean air through the semi-sterile room 28. Therefore, there is no risk of polluting the clean air in the aseptic region 29 on the upstream side.

About 90% of the air blown into the bed storage space 7 of the bedroom unit 2 is supplied to the duct 5
Recirculation, and about 10% of the remaining is taken in the outside air from the inlet 19 through the duct 20,
The dust load on the HEPA filter 32 can be reduced as much as possible, pressure loss can be eliminated, and durability can be improved. Further, the makeup air from the outside is passed through the pre-filter 21 to remove most of the pollutant particles, and is led to the clean air supply source 3 as shown by the arrow 35 in FIG.

In order to treat and care for the patient on the bed 6 from the outside of the aseptic region 29 with the frequency of entering the aseptic region 29 as small as possible, the curtain 26 is used as described above and the inside of the aseptic region 28 is used. To the aseptic zone 29 via the connecting portion 27. In addition, in order to hand a clean article from the semi-sterile area 28 to the aseptic area 29, a person enters the semi-sterile area 28 by opening the opening / closing door 13 or 14, and the moving table has been moved to the vicinity of the semi-sterile area 28 in advance. The article can be placed on 11 and then the table 11 can be moved to move the article to the desired location in the sterile zone 29. The moving table 11 can be operated and moved from the outside by an electric motor. Further, the delivery window 41 can be used. Place clean articles on the moving table 11, or move used articles in the bed storage space 7 to the vicinity of the delivery window 41 via the moving table 11,
It can be taken out from the delivery window 41. In this way, the delivery window 41 is provided so that it can be opened and closed, and the work can be performed. Furthermore, a medical examination window 42 that can be opened and closed is provided so that doctors and nurses do not enter the bed storage space 7 for routine medical examinations, blood pressure and body temperature measurements, injections, infusions, drug administrations, etc. Can be done.

Furthermore, the patient can be assisted on the bed 6 by wiping the body, excreting, changing clothes, etc. without entering the space 7. To that end, the side wall 47 of the bedroom unit 2 is also provided with access gloves 56, 57 for the patient, so that treatment or the like can be performed without entering the bed storage space 7 as described above. You can

Further, it is possible to easily take out the dirt. As a general rule, the patient is excreted using the portable toilet 9 (see FIG. 1). Toilet bowl 10a provided in the bed 6 during the period when the patient cannot move due to pain, such as after surgery.
Can be used. A sewage collection box is provided below the bed 6, and an outlet 43 is provided in the lower portion of the side wall of the bedroom unit 2 so that the sewage collection box can be taken out of the bed storage space 7. Furthermore, a waste disposal chute 44 is further provided, whereby wastes such as dust and waste generated in the bed storage space 7 of the bedroom unit 2 pass through the chute 44 and a storage container 45 such as a so-called plastic bag outside the bedroom unit 2. Can be disposed of in. The pre-filter 21 can be replaced, for example, about once every two months.

When the patient is changed, the bed storage space 7 of the bedroom unit 2 and the space 17 of the entrance unit 4 can be sterilized by performing gas sterilization with ozone from the clean air supply source 3. In order to prevent ozone from leaking to the outside at the time of work, the present sterile bed apparatus is made airtight, and for disposal to the outside, the ozone is completely decomposed and released using a dezonizer.

Both side walls 47, 4 of the bedroom unit 2
8 and the ceiling 49 and the side wall 50 of the entrance unit 4,
51 and the ceiling 52, and further the doors 13 and 14 are made of transparent or translucent glass or synthetic resin material, which allows natural light to be taken in as much as possible and the sense of isolation from the surroundings to be minimized. Can communicate with nurses and meet family members. Furthermore, electric blinds are provided on the transparent or translucent walls 47, 48, 50, 51 and the doors 13, 14 to ensure the patient's rest and privacy.

A detection means 58 for detecting the open / closed state of the door 13 which can be automatically opened / closed is provided, and the processing circuit 59 such as a microcomputer is driven by the drive means 60 when the opening / closing door 13 is detected. Curtain 26
It is expanded and closed, as indicated by reference numeral L1 in FIG. 4, which prevents the sterile zone 29 from becoming soiled. When the door 13 is closed, the curtain 26 may be left closed or may be left open.

[0025]

As described above, according to the present invention, the degree of cleanliness of the air in the bed storage space can be easily changed, and the bedroom unit, the clean air supply source and the inlet unit can be individually provided. Since it can be easily cleaned, and the bedroom unit, clean air supply source, and entrance unit are removable from each other, they can be individually moved and transported in hospitals, etc. Therefore, it is possible to enlarge the bed storage space and the like to improve the habitability, and as a result, it is possible to secure the sterilization performance necessary for the treatment and, of course, improve the convenience of nursing and the comfort of the patient. become able to.

[Brief description of drawings]

FIG. 1 is a simplified horizontal sectional view of an embodiment of the present invention.

FIG. 2 is a front view of an embodiment of the present invention.

FIG. 3 is a left side view of an embodiment of the present invention.

FIG. 4 is a simplified plan view mainly showing the air flow of the embodiment shown in FIGS.

FIG. 5 is a simplified plan view showing the air flow of the embodiment shown in FIGS.

[Explanation of symbols]

 1 Aseptic Bed Device 2 Bedroom Unit 3 Clean Air Supply Source 4 Entrance Unit 5 Duct 6 Bed 7 Bed Storage Space 13, 14 Open / Close Door 26 Curtain

Claims (2)

[Claims] 1. A bedroom unit, which is a substantially rectangular parallelepiped, has a bed storage space for storing a bed, and has two end walls having open ends communicating with the bed storage space, and one of the bedroom units. A clean air supply source that can be attached to and detached from the opening end and that supplies clean air to the opening end, and an attachment / detachment to and from the other opening end of the bedroom unit that has an opening / closing door and communicates with the bed storage space An inlet unit forming a space; and a duct for connecting the inlet unit and the clean air supply source laterally of the bedroom unit and for guiding air from the side of the inlet space to the clean air supply source. Characteristic sterile bed equipment. 2. The sterile bed apparatus according to claim 1, wherein a curtain that can be opened and closed is provided in the entrance unit, and the curtain can be opened and closed near the side portion of the entrance space.