JPH0349699Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Purpose of the Invention] (Field of Industrial Application) This invention relates to a sterile tent, and more particularly, to a sterile tent that can maintain cleanliness inside the sterile tent.

(Prior Art) For example, in the treatment of cancer patients and leukemia patients, a clean room is necessary to prevent infection with viruses, bacteria, and the like. Clean rooms require a lot of equipment and are difficult to control access to. Therefore, sterile tents have been developed to keep portions of hospital rooms clean.

Conventional sterile tents cover the patient's bed in five directions: front and back, left and right sides, and upper side with transparent bag-shaped vinyl chloride, etc., and a blower device that blows clean air into the space covered by the vinyl sheet. This is a configuration in which a is provided on the rear side of the bed. Moreover, the blowing section of the blowing device is generally provided at the rear upper part of the space area.

(Problems to be solved by the invention) In the conventional sterile tent with the above structure, the upper space of the bed is covered with a bag-like vinyl sheet, which gives the patient a sense of mental instability. There are problems such as the vinyl sheet easily getting in the way during a simple medical examination of a patient.

Therefore, it is conceivable to open a part of the sterile tent and use an air curtain or the like to isolate the open part from the outside, but in conventional sterile tents, the blowing part of the air blower is located at the upper part of the back of the sterile tent. In addition, the air curtain may be disturbed by external disturbances such as air conditioning equipment, making it difficult to maintain the inside of the sterile tent in a clean state.

[Structure of the invention] (Means for solving the problem) This invention was made in view of the conventional problems to be solved as mentioned above. A side sheet is provided to cover both sides, and a blower is provided at the rear side of the space area to blow clean air into a space area surrounded on three sides by the upper side sheet and the side sheet. The blower section of the blower is provided widely in correspondence with the space area in order to blow clean air all over the space area, and the vertical dimension of the front sheet provided at the upper front side of the space area is set from the top surface of the bed. The height is approximately 1/3 or more of the height up to the upper sheet, and is relatively shorter than the height.

Further, at least one of the side sheets on both the left and right sides includes a plurality of sheet pieces, and each of the sheet pieces has a rear edge attached to the rear side of the sheet piece located on the front side. It is made by stacking sheet pieces so that the front edges are on the outside.

(Function) According to the present invention having the above configuration, air is blown from the air blowing part of the air blowing device into the spatial area of the sterile tent.
Since it is applied to the entire space area, it can be used as a dead zone (area where clean air is difficult to spread) inside the sterile tent.
The area becomes extremely narrow, and clean air flows out all over the front side of the sterile tent, so that the inside of the sterile tent can be maintained in a clean state even when the front side of the sterile tent is open.

In addition, since the front sheet is provided hanging down at the upper part of the front side of the sterile tent, the clean air at the upper part of the sterile tent is directed downward and narrowed, and in the open part of the front side of the sterile tent. The flow of air tends to become somewhat faster, which is effective in suppressing the phenomenon of air entrainment from the outside.

Furthermore, in a structure in which at least one side sheet on both the left and right sides is partially overlapped with a plurality of sheet pieces, it is possible to insert a hand into the sterile tent through the overlapped part of the sheet pieces, making it easy for the patient to Medical examinations can be carried out easily.

(Example) Referring to FIGS. 1 and 2, the sterile tent 1 according to this example has a
It is located on the left side in Figures 2 and 2). More specifically, a blower device 5 for blowing clean air is arranged on the rear side of the bed 3, and on both sides of the upper part of the blower device 5, there is a blower device 5 that extends to approximately the center of the bed 3 in the front-rear direction. A support rod 7 is provided horizontally. Although detailed illustrations are omitted, the support rod 7 is configured so that it can be lowered to a substantially vertical position when not needed. In other words, it is placed in a horizontal state during use.

The support rods 7 on both left and right sides are formed by integrally connecting an upper sheet 9 that covers the upper part of the rear side of the bed 3 and left and right side sheets 11 and 13 that cover both left and right sides. A transparent tent cover 17 integrally comprising a front sheet 15 shorter than 11 and 13 is supported. Therefore, the rear side of the bed 3 is located in a spatial area surrounded on three sides by the upper sheet 9 and the left and right side sheets 11, 13, and the front upper part of the spatial area is , which is separated from the outside by a front seat 15.

The left and right side sheets 11 and 13 are the first
As shown in the figure, a plurality of vertically long sheet pieces 11
It is constructed by overlapping parts of P and 13P. The overlapping structure of the sheet pieces 11P and 13P is such that when air flows from the rear side of the bed 3 toward the front (from the left side to the right side in FIG. 1), air tends to flow outward from the overlapping portion. be. That is, the sheet pieces 11P, 13P on the rear side are stacked on the rear edges of the sheet pieces 11P, 13P located on the front side so that the front edges of the sheet pieces 11P, 13P on the rear side are on the outside.

The blower device 5 functions to blow clean air into the space area, and a blower 21 such as a suitable blower is installed inside the device main body 19. A first filter 23 is disposed at the suction section where the blower 21 sucks outside air, and the duct section 25 communicating with the delivery section of the blower 21 has an upper part inclined toward the front, as is clear from FIG. It is formed as follows. A ventilation section 27 blows air from the duct section 25 to the spatial area.
A second filter 29 is provided to purify the air. As can be understood from FIGS. 1 and 2, the blowing section 27 is widely provided to correspond to the spatial area in order to blow clean air over the entire surface of the spatial area.

In the above configuration, when the blower 21 is driven to perform the air blowing action, the air flows into the second
From the filter 29 and the air blower 27 to the tent cover 17
Air is blown evenly over the entire area into the space covered by the air. That is, within the spatial region, clean air completely flows out from one direction toward the front in a laminar flow. That is, since the blowing section 27 is widely provided according to the spatial area and blows air over the entire surface, the dead zone where clean air does not spread is extremely narrow, and the clean air flows in a laminar flow within the spatial area. Since there are no parts where the flow circulates in large swirls, the interior of the space can be maintained in a clean state even when the front side of the space is open.

Furthermore, when clean air is being blown from the rear side to the front side in the space covered by the tent cover 17, the clean air flows out from the overlapped portions of the side sheets 11 and 13 on both the left and right sides. Even if the side sheets 11 and 13 overlap, the outside air will not flow in, so when performing a simple medical examination on a patient on the bed 3, for example, the user can easily reach through the overlapped portion of the side sheets 11 and 13. It is possible to maintain internal cleanliness.

As mentioned above, clean air flows throughout the space inside the tent cover 7, so it is also possible to remove the front sheet 15. As a precaution, with the front sheet 15 removed and the amount of air blown from the air blower 27 being small (the air blower 21 is weak), dust of 0.5 μm or larger is detected near the front of the space using a normal dust counter. When I performed the detection, it was class 1000 in the class display. Therefore, when we performed dust detection under the same conditions with the front seat 15 installed, we found that
100, and the effect of front seat 5 was recognized.

In the structure in which the front sheet 15 is provided on the front side of the tent cover 17, the clean air flowing forward in the upper part of the space area inside the tent cover 17 is directed downward by the front sheet 15 and is restricted. It is thought that this mode increases the flow velocity to some extent, and the pressure in the space region increases to some extent, thereby suppressing the phenomenon of entrainment of outside air. Therefore, providing the front sheet 15 is more effective in maintaining the interior of the space in a clean state. Note that the front seat 15 may be configured to always hang vertically from the upper sheet 9 or connected to the upper sheet 9 and the left and right side sheets 11 and 13. Further, the vertical dimension of the front seat 15 is desirably about ⅓ or more of the height dimension from the top surface of the bed 3 to the upper seat 9.

[Effects of the invention] As can be understood from the above description of the embodiments, the present invention has at least one of the three beds.
An upper sheet 9 that covers the upper part of the unit and side sheets 11 and 13 that cover both left and right sides are provided, and the air is cleaned into a space area surrounded on three sides by the upper sheet 9 and the side sheets 11 and 13. A blower device 5 is provided at the rear side of the space area to blow air, and a blower section 27 of the blower device 5 is provided widely corresponding to the space area to blow clean air all over the space area. , the vertical dimension of the front seat 15 provided at the upper front side of the space area is approximately 1/1/1 of the height dimension from the top surface of the bed 3 to the upper sheet 9.
3 or more, and is relatively shorter than the above-mentioned height dimension.

As is clear from the above configuration, in the present invention, the blower device 5 is provided at the rear side of the space area surrounded on three sides by the upper sheet 9 and the left and right side sheets 11 and 13. The vertical dimension of the front sheet 15 provided at the upper front side of the space area is approximately 1/3 or more of the height from the top surface of the bed 3 to the upper sheet 9, and is relatively shorter than the height. be.

That is, according to the present invention, the front sheet 15 is provided relatively shorter than the height dimension from the top surface of the bed 3 to the upper sheet 9, so that the front side of the space area is not closed but left open. This does not cause the patient on the bed to feel mentally uneasy, as if he or she had been isolated.

In addition, the front side of the space area is narrowed to some extent by the front sheet 15, and the pressure within the space area increases to some extent, preventing the entrainment of outside air and keeping the inside of the space area clean. can be effectively maintained.

That is, according to the present invention, a feeling of openness can be obtained in the space area surrounded on three sides by the upper sheet 9 and the left and right side sheets 11 and 13, and the pressure inside the space area is maintained at a pressure slightly higher than that of the outside air. This prevents the intrusion of outside air and effectively maintains a clean state at all times.

Further, in the structure of claim 2 of the present invention, at least one side sheet 11, 13 among the side sheets 11, 13 on both the left and right sides is composed of a plurality of sheet pieces 11.
P, 13P, each of the above sheet pieces 11
P, 13P are sheet pieces 11P located on the front side,
At the rear edge of 13P, the rear sheet pieces 11P, 13
They are made by stacking the P's so that the front edges are on the outside.

With the above configuration, it is possible to insert a hand into the space area from the overlapping portion of each sheet piece 11P, 13P of the side sheets 11, 13, and it is possible to easily perform an examination of a patient on the bed. Even if you insert your hand as mentioned above, the pressure in the space is a little higher than the outside air, so air will not flow in, and the inside of the space will remain clean. It is easy to perform a medical examination.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a plan view of a sterile tent according to the embodiment. Second
The figure is the same side view. 3...Bed, 5...Blower device, 9...Upper side seat, 11, 13...Side seat, 15...Front seat, 27...Blower section.

Claims (1)

[Claims for Utility Model Registration] (1) An upper sheet 9 covering at least an upper part of a part of the bed 3 and side sheets 11 and 13 covering both left and right sides are provided, and the upper sheet 9 and the side sheets are provided. A blower device 5 is provided at the rear side of the space area to blow clean air into the space area surrounded on three sides by The vertical dimension of the front seat 15, which is widely provided corresponding to the space area to blow clean air, and is provided at the upper front side of the space area, is the height dimension from the top surface of the bed 3 to the above-mentioned upper seat 9. A sterile tent, characterized in that the tent is relatively shorter than the above-mentioned height dimension by about 1/3 or more of the above-mentioned height. (2) At least one of the side sheets 11, 13 on both the left and right sides is provided with a plurality of sheet pieces 11P, 13P, and each of the sheet pieces 11P, 13P is arranged on the front side. 2. The sterile tent according to claim 1, wherein the rear sheet pieces 11P, 13P are superimposed on the rear edges of the sheet pieces 11P, 13P so that the front edges of the rear sheet pieces 11P, 13P are on the outside.