JP2002303436A - Air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air cleaner which is few in contaminated places and lessens the introduction of contaminated air into a place where a contaminant is easy to accumulate. SOLUTION: This air cleaner is equipped with a blowout port 5 having a cleaning member 2a for cleaning blowout air, a suction port 1 having a cleaning member 2 for cleaning the sucked air, an evacuation device 8 connected to the blowout port 5 and the suction port 1, and this applies cleaned air from the blowout port 5 to the treatment section 7 of a patient, and sucks the contaminated air returned from the treatment section 7 through a suction port 1, and circulates it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifying apparatus, which is capable of purifying not only a treatment site in an oral cavity in dentistry or a surgical site in surgery, but also purifying air in a room. The present invention relates to a therapeutic air purification device.

[0002]

2. Description of the Related Art For example, in a dentist's office, a plurality of consultation tables are arranged, and in many cases, treatment for a plurality of persons is performed at the same time. Therefore, there are many patients coming and going, and it is difficult to clean the clinic. Also, if air cleaning such as disinfection and sterilization is neglected, there is a possibility that microorganisms may be transmitted from a therapeutic instrument or the like to a patient, an operator to a patient, a patient to an operator, and a patient to a patient. In an operating room for surgery or the like, there is a place where a clean room is installed, but there is a possibility that clean air is blocked by an operator or the like.

[0003]

A conventional air purifying apparatus has a suction port installed near a patient's mouth as proposed in Japanese Patent Application Laid-Open No. 7-55211, so that contamination near the patient's mouth can be prevented. In this method, air, bacteria, and the like are sucked from the suction port by a vacuum device, the contaminated air is passed through a vacuum tube, purified by an air purifier disposed downstream of the vacuum tube, and discharged indoors.

In this method, the contaminated air is kept for a considerably long time.
This means that it stays in a device such as a vacuum tube. Therefore, for example, when performing maintenance on the device, it is necessary to clean the vacuum tube and the like.Moreover, since bacteria and the like adhere to the inside of the device, the vacuum tube and the like become a place where bacteria grow. On the contrary, there is a problem that the air may be polluted.

[0005] In addition, a method of installing a suction port near a treatment site of a patient, not only in the oral cavity, and sucking contaminated air near the treatment site through a suction port with a vacuum tube or the like, purifying the air, and discharging the air into a room. In this case, contaminated air is sucked from the room only after passing through the treatment site by the amount of air sucked from the suction port. For this reason, there has been a problem that the vicinity of the treatment site is contaminated and the symptoms at the treatment site are worsened. Also in this method, there are problems such as cleaning of a device such as a vacuum tube and growth of bacteria in the place.

For example, in the dental unit 100 shown in FIG. 1, an operating light 12 is attached to a tip of a stand 10 by a telescopic joint 11 and its position is adjusted.
Although the treatment site 7 was illuminated, the adjustment of the position of the surgical light 12 was not always accurate, and a shadow was generated on the body, head, and the like of the patient. This is not a problem unique to dental treatment rooms, but has a similar problem in other treatment rooms.

[0007] The present invention has been made to solve the problems of the prior art, and the number of contaminated points is reduced as much as possible, and the introduction of contaminated air is eliminated where contaminants such as vacuum tubes are likely to accumulate. It is an object of the present invention to provide a therapeutic air purification device having a light that can simplify maintenance such as cleaning and has a light that can be illuminated from an appropriate direction.

[0008]

One of the constitutions of the air purifying apparatus according to the present invention is as follows: a suction port for sucking air; a purifying member for purifying the sucked air; And a vacuum device connected by a connection member capable of adjusting its height, wherein the purifying member is provided at the suction port. One of the other configurations of the air purification device according to the present invention is connected to a vacuum device that sucks air, a purification member for purifying air, and a connection member that can adjust a length to the vacuum device, And an outlet for blowing air purified by the purifying member, wherein the purifying member is provided in the vacuum device. In the air purifying apparatus according to the preceding paragraph, a light for irradiating a treatment site of the patient to be treated is provided at the inlet or the outlet.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS With reference to FIGS. 1 to 5, embodiments of a therapeutic air purifying apparatus according to the present invention will be described. <Embodiment 1> With reference to FIGS. 1 to 4, an embodiment in which the present treatment air purification device and the treatment air purification device are applied to a dental treatment device will be described. FIG. 1 is an explanatory diagram in a case where a treatment air purification device according to an embodiment of the present invention is mounted on a dental unit. FIG. 2 is an enlarged view of a suction portion in the treatment air purification device of FIG. 1, FIG. 3 is an explanatory view of a main part of a modification of the treatment air purification device of FIG.
FIG. 4 is an explanatory view of a main part of another modification of the treatment air purification device of FIG.

As shown in FIG. 1, the dental unit 100 comprises:
A support member 30 is provided on a support base 30, a side member 22 is attached to the support member 20, and the stand 10 is rotatably mounted on the side member 22. Various functional members are attached to the support base 30, the support member 20, and the stand 10.

A treatment chair 21 is provided on the support base 30 so that the subject can be freely erected and supine. Illustration of this mounting portion is omitted. Various instruments used for treatment are attached to the support member 20. A vacuum source and a water pressure source necessary for treatment and a piping system for connecting these are also provided, but are not shown.

The stand 10 is provided with an engaging member 5 rotatable with the stand 10, and the attaching member 5 is provided with a telescopic mounting member 4. Here, the mounting member 4 is detachable from the stand 10. The attachment member 4 is made of, for example, a so-called accordion-type joint that can expand and contract. The treatment air purification device 50 according to the present invention is attached to one end of the attachment member 4 on the opposite side attached to the engagement member 5 via a fixing member 4a. The treatment air purification device 50 is detachable from the fixing member 4a. Further, a distal end of the stand 10 is attached to an extendable universal joint 11, and the universal joint 11 is provided with a surgical light 12 for irradiating a treatment site.

The treatment air purification device 50 includes a suction port 1 having a wide open end for sucking contaminated air in the vicinity of the treatment site 7;
A filter 2 (purifying member) detachably mounted in the suction port 1, a vacuum tube 3 (connecting member) which is stretchably held by the mounting member 4 connected to the suction port 1, A vacuum device 8 having an outlet 6a to which an inlet 8a is connected to the vacuum tube 3.

As shown in FIG. 2, the suction port 1 has a tubular suction hood 1a having an enlarged end.
The distal end is an air suction unit, and the other end is a reduced-pressure air suction unit. The suction hood 1a is made of a steel plate, plastic, or the like, and the size thereof is appropriately selected according to the treatment site. The suction hood 1a
In the vicinity of the decompression-side air suction unit following the step (b), a cylindrical portion 1b is provided for mounting the vacuum tube 3, and the cylindrical portion 1b
Has a threaded portion (not shown).

A filter 2 (disk-like) is provided between the cylindrical suction hood 1a having an enlarged tip and the cylindrical portion 1b.
Storage space is provided. The storage location is formed between an annular pressing member 1d provided between the suction hood 1a and the cylindrical portion 1b and an axial end surface of the vacuum tube 3. Filter 2 includes H as a filtration means for collecting bacteria.
An EPA, ULPA filter, or the like is used. HEPA,
The specifications of the ULPA filter etc. are from 0.05 μm to 0.5
Use a material of about μm. Furthermore, as a purification member,
For example, a germicidal lamp for disinfection or a photocatalyst for decomposition of organic matter,
You can use it. When the screwing of the vacuum tube 3 with the cylindrical portion 1b is removed, the filter 2
Can be easily attached and detached.

One end of the vacuum tube 3 is screwed into and attached to the cylindrical portion 1b of the decompression-side air suction portion of the suction hood 1a, and the other end is connected to the vacuum device 8 via the suction port 8a.
It is connected to the. As the vacuum tube 3, a flexible tube whose length can be freely adjusted is used in the figure, but a hard plastic pipe or the like may be used. When the plastic pipe or the like is used, the plastic pipe or the like is divided into a plurality of long and short pipes, and the diameter of one end of the divided plastic pipe is slightly reduced so that a length required for a pipe having a normal diameter is required. The small diameter tubes are inserted and connected to each other. Thus, the length can be easily adjusted and the degree of vacuum can be maintained.

The vacuum device 8 employs, for example, a type in which a fan is provided in a closed container and a draft generated by rotating the fan is used. The degree of the draft may be appropriately determined depending on the thickness and specifications of the filter 2 and the degree of control of dust and the like.

The operation of the air purifying apparatus for treatment having the above-described configuration will be described. A clean HEPA or ULPA is placed on an annular holding member 1d provided between the suction hood 1a and the cylindrical portion 1b.
The filter 2 is appropriately arranged. The arranged filter 2 is pressed by an annular holding plate 3a and an O-ring (not shown) for holding a vacuum, and a vacuum tube 3 is attached to the cylindrical portion 1b.
Screw one end. Thus, the filter 2 is housed between the holding member 1d, the cylindrical portion 1b, and the end of the vacuum tube 3. Next, the other end of the vacuum tube 3 is connected to the vacuum device 8 to complete the preparation.

At the time of dental treatment, when cleaning contaminated air near the mouth of the patient, the length of the vacuum tube 3 is adjusted by the attachment member 4 of the telescopic accordion type joint, and the suction port 1 is opened. The patient is placed near the treatment site 7 in the oral cavity of the patient who is lying on the treatment chair 21. At the same time, the position of the surgical light 12 is adjusted by the telescopic joint 11, and the surgical light 12 is turned on to irradiate the treatment site 7.

When the vacuum device 8 is activated, air near the treatment site 7 is introduced from the suction port 1. The contaminated air introduced from the suction port 1 is purified by the stored filter 2, and the purified air passes through the vacuum tube 3 and is sucked into the vacuum device 8 from the suction port 8 a. It is preferable that the treatment air purifier has as few contaminated points as possible. In this embodiment, no contaminated air is introduced into a place where contaminants such as the vacuum tube 3 easily accumulate, thereby facilitating maintenance. be able to. The air thus purified is sent from the outlet 6 of the vacuum device 8 into the treatment room. If the filter 2 becomes contaminated, the screw connection between the vacuum tube 3 and the cylindrical portion 1b of the suction portion 1 can be removed and replaced easily.

In the present embodiment, the case where the treatment air cleaning device is mounted on the stand 10 of the dental unit 100 with the telescopic mounting member 4 has been described. The attachment can be removed, and the treatment air cleaning device can be provided with a gripping member, which can be gripped and used by hand. Although not shown, the suction port 1 or the vacuum tube 3 can be supported and used with a simple supporting material. Furthermore, the treatment air purifying device can be attached to an indoor structure or the like by using the detachable attachment member 5 and used. Further, a caster (not shown) may be attached to the bottom of the vacuum device 8 so that the vacuum device 8 can be easily moved. In this case, the position of the vacuum device 8 can be set arbitrarily. In addition, although the description has been made of the case where the filter 2 is housed between the suction hood 1a and the cylindrical portion 1b, the filter 2 is a cassette type, and the suction port 1 and the vacuum tube 3 are provided on both sides of the cassette type filter 2, respectively. You can put it on.

Next, a modification of the present embodiment will be described with reference to FIG. A modification of the present embodiment is a treatment air purifying device 50 for appropriately irradiating the illumination on the treatment site 7.
And the illumination lamp 1 are integrally formed. Since the structure in which the filter 2 (disc-shaped) is provided in the suction port 1 has been described with reference to FIGS. 1 and 2, the description is omitted because it is complicated. Here, a configuration in which the suction unit 1 and the illumination lamp 1 are integrated will be described.

As shown in FIG. 3, an elongated strip-shaped supporting member 11l for the illumination lamp 1 is fixedly provided on the suction hood 1a side of the annular holding member 1d, and the supporting member 11l for the illumination lamp l is provided on the supporting member 11l. A socket 1s is provided, and an illumination lamp 11 is inserted into the socket 1s. Although not shown, the wiring is configured so as to be inserted through the suction hood 1a, connected to the outside via a switch, and detachable at the connection portion.
It doesn't hinder the attachment and detachment. Since the support member 11 of the illumination lamp l is the elongated strip shape,
Both ends on the short side are empty spaces, and the empty spaces serve as passages for the intake air. Therefore, the contaminated air is sucked from the empty space. As the illuminating lamp 11, a quartz halogen lamp having good efficiency and long life may be used, and its size may be appropriately determined based on the illuminance required in the room and the illuminance required for the treatment site.

Here, although a detailed illustration is omitted, a case where an operating light is integrally formed instead of the illumination light 11 will be described. The operating light is arranged at a central portion of the suction hood 1 a of the suction port 1. The surgical light has a horizontal thin reflecting mirror (not shown) for performing diffuse reflection, and a lamp is provided at a central portion of the reflecting mirror. The internal space of the suction hood 1a of the suction port 1 is provided in such a manner that the horizontal thin reflecting mirror and the suction hood 1a
A space is made up between them. This open space is used as an air suction space for the suction port 1. Therefore, it is configured to suck the contaminated air from this open space.

The function of the suction port configured as described above will be described. The contaminated air sucked from the open space on both sides of the illumination lamp 1 is cleaned by the filter 2, and the cleaned air passes through the vacuum tube 3 and is sucked from the suction port 8 a of the vacuum device 8. The cleaned air is supplied to the vacuum device 8
From the air outlet 6 into the treatment room. As described above, by integrating the illumination light 11 and the suction port 1, the treatment site 7 is brightened irrespective of the illumination effect of the other existing illumination lights, and the hands, arms, and the like of the healer are regarded as obstacles. Irradiation can be performed so as not to be contaminated, and contaminated air can be reliably sucked.

Further, by integrating the surgical light and the suction port 1, the treatment site 7 can be made bright without any shadow, regardless of the lighting effect of the other existing lighting lamps, and the hands, arms, etc. of the patient can be treated. Can be irradiated so as not to be an obstacle. Please refer to FIG. 1 for the vacuum tube 3, the vacuum device 8, the outlet 6, and the like. In this modification, the suction port 1
Although the illumination lamp 11 and the operating light are integrally formed, the outlet 5 (described later), the illumination light 11 and the operating light may be integrated.

Referring to FIG. 4, another modification of the present embodiment will be described. The modification of FIG. 4 is substantially the same as the modification of FIG. 4, the same reference numerals as those in FIG. 3 denote members having the same functions, and thus the description thereof will not be repeated. In FIG. 4, a heat shield plate s which does not block illumination light is provided on the front surface of the suction hood 1a, and a rectangular cutout h is formed in the suction hood 1a.

In this modification, the front surface of the suction hood 1a is shielded by the heat shield plate s, and the contaminated air flows as shown by the arrows in the figure.
It will be sucked from the cutout h. In this modification, the heat generated from the illumination lamp 1 for the patient can be cut off, and the discomfort due to the heat can be eliminated.

<Embodiment 2> In this embodiment, FIG.
2 <Embodiment 1> means a flexible vacuum tube 3
Is different from the above in that a hard vacuum pipe 9a is changed, and that the support member of the vacuum pipe 9a is changed to a stand type and a dental unit is not used. The stand-type support member may be integral with the dental unit or may be a separate type. In the figure, the dental unit and the stand-type support member are shown as overlapping, but will be described as a separate type. In the description of the present embodiment, the difference will be mainly described. FIG. 5 is a schematic explanatory view of another embodiment of the therapeutic air purification device according to the present invention.

In FIG. 5, the treatment air purification device 50 is used.
Is a suction port 1 for sucking contaminated room air, a filter 2 for cleaning the sucked contaminated air, and a vacuum pipe 9a connected to the filter 2 in the suction port 1.
A vacuum pipe 9b connected to the vacuum pipe 9a;
A vacuum device connected to the vacuum pipe 9b and having an opening for blowing purified air into the room; and connecting the vacuum pipe 9a and the vacuum pipe 9b to a connection portion 25 thereof.
And a movable supporting member 23 that is rotatably supported (not shown).

It is preferable that casters (not shown) are attached to the legs of the support member 23 to facilitate movement, and that the lengths of the vacuum pipes 9a and 9b can be adjusted. The vacuum pipe 9a and the vacuum pipe 9
As described in <Embodiment 1>, the length of b can be adjusted by dividing the vacuum pipe 9a and the vacuum pipe into a plurality of long and short pipes, making the diameter of one end of the divided pipe slightly smaller, 9a 'and 9b' indicate length adjusting vacuum pipes in the figure.

The operation of the therapeutic air purifying apparatus having the above-described configuration will be described. At the time of treatment, in order to suck contaminated air from near the treatment site 7 of the patient, the support member 23 is attached to the treatment table 21.
Move near. The casters attached to the legs of the support member 23 are moved, and the lengths of the vacuum pipes 9a and 9b are adjusted. Further, the vacuum pipe 9
The suction port 1 is rotated so that the suction port 1 is located near the treatment site 7 of the patient who is lying on the treatment table 21a.

Next, the vacuum device 8 is started, and contaminated air in the treatment room is introduced from the suction port 1. The contaminated air in the room introduced from the suction port 1 is purified by the filter 2 to become clean air, is drawn into the vacuum device 8 through the vacuum pipes 9b and 9a, and is blown out into the room.

<Embodiment 3> Next, another embodiment of the therapeutic air purification apparatus according to the present invention will be described with reference to FIG. The present embodiment is substantially the same as the <Embodiment 2> of FIG. 5 except that the structure is such that the air is blown out from the air outlet, and the filter for the contaminated air sucked from the air inlet 6 into the vacuum device 8. 2b is different.
In the description of the present embodiment, this difference will be mainly described.

In FIG. 6, the treatment air purification device 50 is used.
Has a suction port 6a for sucking contaminated indoor air,
And a filter 2b for purifying the sucked contaminated air.
, A vacuum pipe 9b connected to the exhaust port 8b of the vacuum apparatus 8, a vacuum pipe 9a connected to the vacuum pipe 9b, and a purified and connected to the vacuum pipe 9a. Movable support which has an air outlet 5 in the vicinity of the treatment site 7 of the patient and supports the vacuum pipe 9a and the vacuum pipe 9b in a rotatable manner (not shown) at a connection portion 25 thereof. And a member 23.

The filter 2b is provided in the housing of the vacuum device 8 in the drawing, but is not limited to this, and may be provided in front of the suction port 6a with respect to the flow path of the contaminated air. In addition, the filter 2b is provided by mounting a HEPA, ULPA filter or the like having a predetermined thickness and shape in the housing in a mounting case, and when replacing the filter 2b, the filter is replaced together with the case. For this reason, at the exhaust port 8b of the housing of the vacuum device 8, the lid of the housing can be removed, and the HEPA, ULPA
The filter mounting case is removable.

Casters (not shown) are attached to the legs of the support member 23 in order to facilitate the placement of the subject lying on the outlet 5 near the treatment site 7. It is preferable that the length of the vacuum pipe 9a and the length of the vacuum pipe 9b can be adjusted. As described in <Embodiment 1>, the length of the vacuum pipe 9a and the vacuum pipe 9b is adjusted by dividing the vacuum pipe 9a and the vacuum pipe into a plurality of long and short pipes. It is made small and inserted into each other by a required length. In the drawing, 9a 'and 9b' indicate length adjusting vacuum pipes.

The operation of the treatment air purifying apparatus having the above-described configuration will be described. At the time of treatment, in order to blow clean air to the treatment site 7 of the patient, the support member 23 is moved near the treatment table 21a. The casters attached to the legs of the support member 23 are moved, and the lengths of the vacuum pipes 9a and 9b are adjusted. Further, the vacuum pipe 9a
Is rotated so that the outlet 5 is located in the vicinity of the treatment site 7 of the patient to be treated lying on the treatment table 21a. The vacuum pipe 9a is rotated, and the outlet 5 is
The patient is placed so as to be in the vicinity of the treatment site 7 of the patient to be treated lying on 1a.

Next, the vacuum device 8 is activated, and contaminated air in the treatment room is introduced from the suction port 6a. This suction port 6
The contaminated air in the room introduced from a is purified by the filter 2b to become clean air, and the vacuum pipes 9b and 9a
, And is blown from the outlet 5 to the treatment site 7 of the patient lying on the treatment table 21a.

With this configuration, the contaminated air is cleaned by the filter 2b, and the treated area can be kept clean by applying the cleaned air to the treatment site.
Further, dust and the like generated in the vacuum device itself are also removed, and clean air flows through the vacuum pipes 9b and 9a.
Maintenance can be made easier and bacterial growth sites can be reduced. This treatment air purifying device is effective not only for dental treatment but also particularly for use in surgical operations and for purifying contaminated air in a treatment room.

<Embodiment 4> Still another embodiment of the therapeutic air purifying apparatus according to the present invention will be described. FIG.
FIG. 10 is a schematic explanatory view of still another embodiment of the therapeutic air purification device according to the present invention. The treatment air purification device of the present embodiment has a structure in which clean air is blown to the treatment site 7, the clean air is blown to the treatment site 7, and the returned contaminated air is sucked. In the description of the present embodiment, this difference will be mainly described.

In FIG. 7, the treatment air purification device 50 includes a vacuum device 8 having an intake port 8a and an exhaust port 8b, and a vacuum pipe 9b connected to the exhaust port 8b of the vacuum device 8.
A vacuum pipe 9a connected to the vacuum pipe 9b,
A filter 2a connected to the vacuum pipe 9a for purifying the contaminated air; and an outlet 5 having the filter 2a and having an opening for blowing the purified air to the vicinity of the treatment site 7 of the patient. And a movable support member 23 that rotatably supports a connection portion 25 of the vacuum pipe 9a with the vacuum pipe 9b.

Below the treatment site 7, the air blown out from the outlet 5 hits the treatment site 7 and its vicinity, and the suction port 1 has a wide open end for sucking the repelled contaminated air. A filter 2 provided, and a vacuum pipe 9c connected to the filter 2,
The vacuum pipe 9c is configured to be connected to an intake port 8a of a vacuum device 8 having an exhaust port 8b to which the vacuum pipe 9b is connected.

In order to facilitate the arrangement of the subject who is lying on the outlet 5 at the treatment site 7, casters are attached to the legs of the support member 23, and the vacuum pipe 9 a and the vacuum pipe 9 a are provided. The length of the pipe 9b can be adjusted, and the length of the vacuum pipe 9c can be adjusted to facilitate the arrangement of the suction port 1 in accordance with the position of the outlet 5. Vacuum pipes for adjusting the length are indicated by 9a ', 9b' and 9c 'in the figure.

The operation of the therapeutic air purifying apparatus having the above-described configuration will be described. At the time of treatment, in order to blow clean air to the treatment site 7 of the patient, the support member 23 is moved near the treatment table 21a. The vacuum pipe 9a is rotated, and the outlet 5 is arranged near the treatment site 7 of the subject who lies on the treatment table 21a. The suction port 1 is connected to the treatment table 21.
It is arranged at the symmetric position of the outlet 5 with respect to a.

Next, the vacuum device 8 is activated, and contaminated air near the lower part of the treatment site 7 is introduced from the suction port 1. The introduced contaminated air is cleaned by a filter 2 provided in the suction port 1. The purified air passes through the vacuum pipe 9c, the suction port 8a of the vacuum device 8, the vacuum device 8, the exhaust port 8b, the vacuum pipe 9b, and the filter 2a provided at the outlet 5 through the vacuum pipe 9a. And is blown out toward the treatment site 7. The blown clean air flows around the treatment site 7 to clean the surroundings, thereby becoming contaminated air. Further, the clean air that has rebounded from the vicinity of the treatment site 7 also becomes contaminated air. The contaminated air is introduced from the suction port 1 and is purified by the filter 2 provided in the suction port 1. The purified air is again blown out from the outlet 5 toward the treatment site 7. The circulation will be repeated.

In the present embodiment, the treatment site can be cleaned and contaminants (such as bacteria) from the vicinity of the treatment site can be sucked, and the air containing the contaminants is cleaned by the filter 2 and the outlet 5 The contaminated air passing through the treatment site from is sucked through the suction port 1 to form a circulation type. This circulation type treatment air purification device can prevent the contaminants from being dispersed in the treatment room. Furthermore, indoor air may be introduced into a part together with the contaminated air on the suction side 1. The therapeutic air purifying device exerts a good effect particularly when used for a surgical operation or for purifying contaminated air in a treatment room.

Although the embodiments have been described above, the therapeutic air purifying device according to the present invention is not limited to these, and the suction unit, the blowing unit, the supporting method, the filter, the connecting member, the vacuum device, etc. Various embodiments are conceivable. It is considered that all of these various aspects belong to the technical idea of the therapeutic air purifying device according to the present invention. Therefore, it is considered within the scope of the right of the therapeutic air purifying device according to the present application.

[0049]

As described above in detail, according to the configuration of the therapeutic air purifying apparatus of the present invention, it is preferable that the number of contaminated points is as small as possible, but it is preferable that the contaminated material such as a vacuum tube is easily deposited. Since there is no introduction of contaminated air, maintenance such as cleaning can be simplified.
In addition, by flowing clean air toward the treatment site, the air can be cleaned and a forced air flow can be created to send out bacteria and the like toward the suction port. Further, the treatment site can be accurately irradiated with the illumination.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram when a treatment air purification device according to an embodiment of the present invention is mounted on a dental unit.

FIG. 2 is an enlarged view of a suction section in the treatment air purification device of FIG. 1;

FIG. 3 is an explanatory view of a main part of a modified example of the treatment air purification device of FIG. 1;

FIG. 4 is an explanatory view of a main part of another modification of the treatment air purification device of FIG. 1;

FIG. 5 is a schematic explanatory view of another embodiment of the therapeutic air purification device according to one embodiment of the present invention.

FIG. 6 is a schematic explanatory view of still another embodiment of the therapeutic air purification device of one embodiment according to the present invention.

FIG. 7 is a schematic explanatory view of still another embodiment of the therapeutic air purification device of one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Inlet 2, 2a, 2b ... Filter (purification member) 3 ... Vacuum tube (connecting member) 4 ... Mounting member 5 ... Outlet 6 ... Suction port in a vacuum device 8 ... Vacuum device 9a, 9b, 9c ... Vacuum pipe (Connecting member) 11: Surgical light (light) 12: Illumination light (light) 21: Treatment chair 21a: Treatment table 23: Support stand (support member) 100: Dental unit

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4C052 EE01 EE10 4D058 JA12 JB12 JB23 KA01 KA11 KC52 SA20 UA30

Claims (5)

[Claims] An air inlet for sucking air, a purifying member for purifying the sucked air, and a vacuum device connected to the inlet with a connection member whose length can be adjusted; An air purification device, wherein the purification member is provided in a suction port. 2. A vacuum device for sucking in air, a purifying member for purifying air, and a connecting member whose length can be adjusted to the vacuum device, and for purifying the air purified by the purifying member. An air purifying apparatus, comprising: an outlet for blowing air; and the purifying member provided in the vacuum device. 3. An outlet having a purifying member for purifying the blown air, an inlet having a purifying member for purifying the sucked air, and lengths of the outlet and the inlet are adjusted. And a vacuum device connected by a connecting member capable of applying the purified air from the outlet to the vicinity of the treatment site of the patient, and returning the contaminated air returned from the vicinity of the treatment site from the suction port. An air purifier characterized by being configured to suck and circulate. 4. The air purifying apparatus according to claim 1, wherein a light for irradiating a treatment site of the patient is provided at the inlet or the outlet. 5. The air purifying apparatus according to claim 1, wherein the air purifying apparatus is mounted on an indoor structural member.