JP5397586B2 - Dissection room ventilator - Google Patents

Description

  The present invention relates to a ventilator for a dissection room in which an dissection table is arranged.

  2. Description of the Related Art Conventionally, in an anatomy room such as an anatomy training room for medical students, ventilation is performed by using an air supply fan and an exhaust fan to increase the ventilation amount of the entire room to a certain level or more. However, such a ventilation method cannot appropriately prevent the diffusion of formaldehyde, and it is difficult to clear the recent legally controlled concentration of formaldehyde.

  To cope with this, measures can be taken to further increase the ventilation rate to discharge polluted air. However, increasing the ventilation rate exhausts a large amount of temperature-adjusted room air to the outside of the room, and wastes heat energy. In addition, new equipment such as a large blower is required, and the installation cost thereof is enormous.

As a prior art related to a ventilator in an anatomy room, a pedestal unit on which an object to be treated is placed is provided, and a deodorizing device that deodorizes by sucking contaminated air on the pedestal unit is provided. A deodorizing device-equipped treatment table provided with a suction port in order to take in the air supplied by the descending air flow and send it to the deodorizing device on both sides of the base portion. Has been proposed by the present applicant (see Patent Document 1). However, this proposal is for each treatment table with a deodorizing device, and is not applied as a system such as an anatomy training room in which a large number of dissection tables are installed.
JP 2006-239408 A (FIGS. 8 and 9)

The problem to be solved regarding the ventilator in the dissection room was that the conventional system could not properly prevent the diffusion of formaldehyde, it was difficult to clear the recent legal control concentration of formaldehyde, and the ventilation volume was simply increased. In this case, the cost for equipment and operation increases.
Accordingly, an object of the present invention is to provide a ventilator for an anatomy room that can prevent legal formaldehyde concentration by preventing diffusion of formaldehyde, and can efficiently ventilate without simply increasing the ventilation amount.

The present invention has the following configuration in order to achieve the above object.
According to one form of the ventilator of the dissection room according to the present invention, the ventilator of the dissection room performs ventilation in the dissection room where the dissection table is arranged, and has a hollow frame shape surrounding the entire periphery of the dissection table. A plurality of suction ports are formed in the upper inner wall so as to suck the contaminated air on the dissecting table in the entire circumference, and the sucked contaminated air is discharged at the lower portion of the dissecting table. A frame-shaped ventilation box having a plurality of exhaust ports formed on the inner wall, and a frame-shaped ventilation box provided at a lower portion of the dissection table and connected to the frame-shaped ventilation box via a plurality of ventilation tubes corresponding to the plurality of exhaust ports. A merging chamber for merging the contaminated air, an exhaust duct connected to the merging chamber, an exhaust fan connected to the exhaust duct for sucking and exhausting the contaminated air, and an upper part such as a ceiling portion of the dissection room Establishment A rectifying box that rectifies and discharges fresh air above the dissecting table, and an amount of air supplied to the inside of the dissecting chamber through the rectifying box is equal to or exceeds the amount of exhaust by the exhaust fan. The frame-like ventilation box is formed in a substantially rectangular frame shape as a whole, and is divided into right and left around the long axis of the rectangle. It is composed of two symmetrical U-shaped ventilation boxes that are independent and are not directly connected to each other , and the frame-shaped ventilation box is formed such that the inside of the upper part projects inwardly. An inner overhanging portion is provided, and an inner side surface of the inner overhanging portion is the upper inner side wall provided with the suction port, and a lower surface of the inner overhanging portion is placed in contact with the upper surface of the peripheral edge of the dissecting table. So that the solution It characterized in that it is provided so as to surround the entire periphery of the base.

  Further, according to one aspect of the ventilator of the anatomy room according to the present invention, the rectifying box has a vent side surface that closes a bottom surface and discharges air rectified in the horizontal direction, and the vent side surface has the vent side surface. It can be characterized by being provided in a form in which the perforated plates are stacked in two layers.

Further, according to one form of the ventilator of the dissection room according to the present invention, a suction air tube for spotting the contaminated air is provided so as to be connectable, and the exhaust is exhausted through the exhaust duct. As described above, a spot suction air blower provided in a state of being incorporated in the merging chamber may be provided.
Moreover, according to one form of the ventilation apparatus of the dissection room concerning this invention, a deodorizing apparatus is in the ventilation path between the said ventilation fan and the said rectification box, and / or the ventilation path which is the middle part of the said exhaust duct. It can be characterized by being connected.

  According to the ventilator of the dissection room of the present invention, the legal control concentration can be cleared by preventing the diffusion of formaldehyde, and there is an advantageous effect that the ventilation can be efficiently performed without simply increasing the ventilation amount.

Hereinafter, an example of the best mode according to the ventilator of the dissection room of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is an explanatory view showing a ventilator in an anatomy room according to the present invention. 2 to 7 are a plan view (FIG. 2) and sectional views showing a dissection table provided with a suction port for contaminated air used in the ventilator of the dissection room of FIG. FIG. 8 is an exploded view of the frame-shaped ventilation box 20 and the merge chamber 30 fixed to the dissection table.

  The present invention relates to a ventilator for an anatomical room that performs ventilation in an anatomical room 15 in which an anatomical table 10 is arranged, such as a medical student's anatomical training room where a plurality of anatomical tables are installed.

Reference numeral 20 denotes a frame-shaped ventilation box, which is provided in a hollow frame shape surrounding the entire circumference of the dissecting table 10 and has a plurality of suction ports 21 formed in the upper inner wall so as to suck in contaminated air on the entire dissecting table 10. At the same time, a plurality of exhaust ports 22 are formed in the lower inner wall so that the sucked contaminated air is discharged at the lower part of the dissecting table 10.
As shown in FIG. 2, since a large number of suction ports 21 are regularly formed, appropriate ventilation resistance can be generated at all positions of the dissecting table 10, and the suction air volume can be made uniform. In addition, since a plurality of exhaust ports 22 are provided at a required interval, an appropriate ventilation resistance can be generated to make the exhaust air volume uniform.

  Reference numeral 30 denotes a merging chamber, which is provided at the lower part of the dissecting table 10 and is connected to the frame-shaped ventilation box 20 via a plurality of ventilation pipes 35 corresponding to the plurality of exhaust ports 22 so as to merge contaminated air. ing. The dissection table 10 extends along the longitudinal axis.

  Reference numeral 40 denotes an exhaust duct, which is connected to the merging chamber 30 and guides exhaust of polluted air to be discharged to the outside. In the exhaust duct 40 of the present embodiment, since the existing structure of the anatomical chamber 15 is not changed, the exhaust is once guided toward the ceiling and connected to the plurality of exhaust ducts 40 as shown in FIG. The exhaust duct is connected to an exhaust fan through a junction pipe 41 of the exhaust duct.

  Reference numeral 50 denotes an exhaust fan, which is connected to the exhaust duct 40 and sucks and exhausts contaminated air. As the exhaust blower 50, a blower having a blowing ability installed in a conventional dissection room can be used. Therefore, it is not necessary to install a new blower and the operating cost does not increase.

Reference numeral 60 denotes a rectification box, which is provided on the top of the dissection room 15 such as the ceiling 16 and rectifies and discharges fresh air such as outside air above the dissection table 10. According to this, since the air is discharged downward by the exhaust fan 50, a descending airflow can be generated.
In the rectifying box 60, for example, the rectifying effect can be enhanced as a structure in which perforated plates are arranged with a double interval. According to this, it is possible to generate an appropriate descending airflow with less turbulence by the rectifying effect, and it is possible to contain the diffusion of contaminated air.

Further, as a specific example of the rectifying box 60, as shown in FIG. 9, the bottom surface is closed, and there is a ventilation side surface for discharging the rectified air in the horizontal direction. It is provided in a form (see a broken illustration part in FIG. 9) superimposed on the layers. This rectification box 60 is rectangular and can discharge air from four directions. The form of the rectifying box 60 is not limited to this, and for example, air may be discharged from the entire circumference of the side peripheral surface in a circular shape.
According to this, since fresh air is discharged in a horizontal direction in a rectified state, the air flow can be suitably converted into a downdraft rectified above the dissection room. And, according to such a downdraft, it is possible to contain the diffusion of the contaminated air as described above.

65 is an air supply fan, and is provided so as to supply fresh air so that the amount of air supplied to the inside of the dissection room 15 via the rectifying box 60 is equal to or exceeds the amount of exhaust by the exhaust fan 50. ing.
Thus, since the air volume of each blower is adjusted, the inside of the dissection room 15 is maintained at the same pressure or positive pressure as the outside air. Thereby, formaldehyde generated from the specimen (anatomy object such as a human body) to be anatomized is pressed from above and is not diffused. That is, the contaminated air is pushed in and exhausted, and no convection phenomenon occurs, so that the contaminated air does not diffuse. According to this, the formaldehyde in the room can be suppressed to a low level, and the environment of the dissection room can be improved.

  As the air supply blower 65, a blower having a blowing capacity installed in a conventional dissection room can be used. Therefore, it is not necessary to install a new blower and the operating cost does not increase.

  In the frame-shaped ventilation box 20 of the present embodiment, as shown in FIG. 8, as a whole, the frame-shaped ventilation box 20 is formed into a substantially rectangular frame shape, and is divided into two U-shapes divided right and left around the long axis of the rectangle. It is comprised from the shape ventilation box 20a, 20b. Each of the U-shaped ventilation boxes 20a and 20b is an independent box and is not directly communicated with each other, but has a symmetrical shape and can appropriately balance the air volume.

  Since the frame-like ventilation box 20 has a structure that can be divided in this manner, it can be easily attached to the existing dissection table 10 later. Moreover, according to this form, the removal | desorption from the dissection table 10 can also be carried out comparatively easily, and there also exists an advantage which is easy to perform maintenance management.

  The frame-shaped ventilation box 20 includes an inner projecting portion 25 (see FIG. 8) formed so that the upper inner portion projects inward, and the inner projecting portion 28 is in contact with the peripheral upper surface of the dissecting table 10. By being placed, it is installed so as to surround the entire periphery of the dissecting table 10. According to this, the frame-shaped ventilation box 20 has sufficient strength, and can be installed on the dissecting table 10 accurately and easily.

  Further, as shown in FIG. 8, 45 is a blower for spot suction air, and is provided with a suction air tube for spotting contaminated air in a connectable manner, and exhaust is discharged through an exhaust duct 40. As such, it is provided in a state of being built in the merge chamber 30. 46 is a connection port of the tube for suction air (refer FIG. 8). Reference numeral 47 denotes a lower suction port, which is provided with a ventilation pipe extending at the lower portion of the merge chamber 30. According to the lower suction port 47 and the connection port 46, the contaminated air accumulated under the dissecting table 10 can be sucked in a normally opened state. The size of the opening is the same as that of the suction port 21 and can be sucked in a balanced manner with the same amount of air.

  According to this, contaminated air can be suctioned locally and intensively from near the source of the polluted gas. Moreover, since it is built in the merge chamber 30, there is no concern about secondary contamination due to leakage of contaminated air. Further, the spot suction device can be appropriately stored, and the device can be compactly assembled.

  In addition, as shown in FIG. 1, the deodorizing device 70 is connected to the air passage between the air supply fan 65 and the rectifying box 60 and / or the air passage which is a midway part of the exhaust ducts 40 and 41. , Can clean the air in the dissection room and prevent contamination of the dissection room and the surrounding environment. For example, an oxygen cluster ion type deodorizing device 70 is disposed in the air passage between the air supply fan 65 and the rectifying box 60, and an oxidation catalyst type deodorizing device is provided in the air passage that is in the middle of the exhaust ducts 40 and 41. 70 can be disposed.

  As described above, the present invention has been described in various ways with preferred embodiments. However, the present invention is not limited to these embodiments, and many modifications can be made without departing from the spirit of the invention. That is.

It is explanatory drawing which shows one form of the ventilator of the dissection room concerning this invention. It is a top view which shows the anatomy table provided with the suction port of the polluted air used for the ventilator of the anatomy room of FIG. FIG. 3 is a cross-sectional view taken along line A1-A1 of FIG. FIG. 3 is a cross-sectional view taken along line A2-A2 of FIG. FIG. 3 is a cross-sectional view taken along line B1-B1 of FIG. FIG. 3 is a cross-sectional view taken along line B2-B2 of FIG. It is a B3-B3 line arrow figure of FIG. It is an exploded view of the frame-shaped ventilation box and merging chamber fixed to the dissection table. It is the perspective view of the state which looked up and showed one form of a rectification box.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Dissecting table 15 Dissecting room 20 Frame-shaped ventilation box 21 Suction port 22 Exhaust port 25 Outwardly projecting part 30 Merge chamber 35 Venting tube 40 Exhaust duct 45 Spot blower air blower 46 Suction air tube connection port 50 Exhaust blower 60 Rectifier box 65 Blower for air supply 70 Deodorizer

Claims (4)

A ventilator for the dissection room that ventilates the dissection room where the dissection table is arranged,
Provided in the shape of a hollow frame surrounding the entire periphery of the dissecting table, a plurality of suction ports are formed in the upper inner wall so as to suck the contaminated air on the dissecting table in the entire periphery, and the sucked contaminated air A frame-shaped ventilation box in which a plurality of exhaust ports are formed in the lower inner wall so that the gas is discharged at the lower part of the dissection table;
A merging chamber that is provided at the lower part of the dissecting table and is connected to the frame-shaped ventilation box via a plurality of ventilation pipes corresponding to the plurality of exhaust ports to merge the contaminated air;
An exhaust duct connected to the confluence chamber;
An exhaust fan connected to the exhaust duct for sucking and exhausting the contaminated air;
A rectification box that is provided at the top of the dissection room ceiling, etc., and rectifies and discharges fresh air above the dissection table;
An air supply fan that supplies the fresh air so that the amount of air supplied to the inside of the dissection room through the rectifying box is equal to or exceeds the amount of exhaust by the exhaust fan;
The frame-shaped ventilation box is formed in a substantially rectangular frame shape as a whole, and is an independent box that is divided into left and right with the long axis of the rectangle as the center, and is a symmetrical shape that is not directly communicated It consists of two U-shaped ventilation boxes
The frame-shaped ventilation box includes an inner projecting portion formed by projecting the inside of the upper portion inwardly, and an inner surface of the inner projecting portion is the upper inner wall including the suction port. A ventilator for an anatomical room characterized in that the lower surface of the part is placed so as to be in contact with the upper surface of the peripheral edge of the dissecting table so as to surround the entire periphery of the dissecting table.   The rectifying box has a ventilation side surface for discharging air rectified in the horizontal direction with the bottom surface closed, and the ventilation side surface is provided in a form in which perforated plates are stacked in two layers. The ventilator for an anatomical chamber according to claim 1.   A suction air tube for spotting the contaminated air is provided so as to be connectable, and spot suction is provided in a state of being built in the merging chamber so that exhaust is discharged through the exhaust duct. The ventilator for an anatomical room according to claim 1 or 2, further comprising a blower for air.   The deodorization apparatus is connected to the ventilation path between the said ventilation fan and the said rectification box, and / or the ventilation path which is the middle part of the said exhaust duct, The said deodorizing apparatus is characterized by the above-mentioned. Dissection room ventilator.

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