KR20210104009A - Mirror suction appliance - Google Patents

Abstract

The present invention relates to a mirror suction device to enable a dentist to efficiently perform treatment without an assistant. According to the present invention, the mirror suction device comprises: a main body having a mirror provided on the upper part and including an inlet communicating with the outside; a first connection part provided with one side inserted into the main body and including a first suction pipe communicating with the inlet; a second connection part provided on the other side of the first connection part and including a second suction pipe communicating with the first suction pipe; an air pipe passing through the upper part of the second connection part to be disposed inside the second suction pipe and protruding from the upper part of the second connection part; a body provided to surround the upper part of the second connection part and the upper part of the air pipe and connecting a suction hose and an air hose to the ends of the second connection part and the air pipe, respectively; an air switch provided in the body to open/close an air tube to control the air supplied from the air hose to the air tube; a tooth mirror provided in the body and including a suction control valve to open/close the second suction pipe to control a suction force sucked into the suction hose; and a filtering part coupled to the end of the suction hose to filter foreign substances transferred through the suction hose and drain water.

Description

Mirror suction appliance

The present invention relates to a mirror suction device.

In general, a dental unit chair is a medical device that is used for various dental diagnosis and treatment with comprehensive equipment necessary for dental treatment. It has a structure that can

These devices are equipped with a medical bracket, a cuspidor, a lighting fixture, and the like, which helps a doctor to conduct treatment smoothly. In particular, a device holder is provided on which a handpiece, a suction device, etc. are mounted, and the devices are mounted in a mounting groove of the equipment holder.

In addition, there was a conventional alveolar diameter with a suction function added, but there was no hanger for the alveolar diameter, so there was inconvenience such as bringing an alveolar diaphragm disposed separately and treating it.

In addition, there was inconvenience of clogging the drainage channels because the suctioned foreign substances were not filtered, and management was also inconvenient.

In addition, in the prior art, an air injection pipe was provided in the alveolar diameter, but since the air injection pipe is exposed to the outside in the middle part of the holder of the alveolar diameter and has a large volume, the air injection pipe is caught on the lips, tongue, or mucous membrane of the oral cavity when using the alveolar tube. is not done properly, it is caught on the patient's lips, causing inconvenience to the patient, and the operator has difficulty in using the alveolar endoscope.

Republic of Korea Patent Registration 10-1616729 Republic of Korea public utility model 20-1998-063472

An object of the present invention, which was devised to solve the above-described problems, is that when using an alveolus, suction and air injection can be performed without putting a separate suction and air injector in the oral cavity, so that the doctor alone without an assistant can smoothly treat This is to provide a mirror suction device that can do this.

In addition, it is an object of the present invention, when the deletion bar is removed from the handpiece, or the file or the instrument is missed or dropped during nerve treatment, the patient swallows before using tweezers by attaching it with a magnet to easily take it out. This is to provide a mirror suction device with

In addition, an object of the present invention is, when the pedestal is rotated in one direction, the suction switch is turned on and the suction pump is operated. This is to provide a mirror suction device that can do this.

In addition, an object of the present invention is to provide a mirror suction device that can be easily removed from the filter cover of the filtration unit and can be easily used by filtering through the filter.

According to the mirror suction device of the present invention for achieving the object as described above, a mirror is provided on the upper part, and a body having an inlet hole in communication with the outside, and one side of the main body is internally provided, communicating with the inlet hole A first connection part provided with a first suction pipe, a second connection part provided on the other side of the first connection part, and a second suction pipe communicating with the first suction pipe, and the second connection part passing through the upper part of the second connection part An air tube provided inside the second suction tube and protruding from the upper portion of the second connection portion, and provided to surround the upper portion of the second connection portion and the upper portion of the air tube, the second connection portion and the end of the air tube A body to which a suction hose and an air hose are connected, an air switch which is provided on the body to open and close the air pipe to control the air supplied from the air hose to the air pipe, and the body are provided with the suction hose a dental crown including a suction control valve capable of opening and closing the second suction pipe so as to control the suction force to be sucked; and a filtration unit coupled to the end of the suction hose to filter the foreign material transferred to the suction hose and then drain.

In addition, it is formed on the equipment holder on which the dental treatment equipment is mounted, one side is fixed to the opening groove, and the upper and lower fixing portion; a rotatable support part fitted to the fixing part; The middle portion is coupled to the upper end of the support portion so as to be able to adjust the inclination, and a mounting portion on which the tooth diameter is mounted on one side.

In addition, in the main body, an insertion hole into which the first connection part is inserted is formed, a space is formed so that the insertion hole and the inflow hole communicate with each other, and the first connection part includes a first insertion part inserted into the insertion hole, and the first 1 The insertion part is bent and extended in the direction of the upper side of the mirror, and the bent part is extended so that the upper end is positioned above the upper side of the mirror, and the end of the bent part is extended so that the longitudinal direction is bent toward the upper side of the mirror and a second insertion part extended to be inserted into the second suction pipe, wherein the first insertion part and the insertion hole are formed of a part facing each other, and the first connection part is a first insertion part that is in surface contact And characterized in that it is not rotated by the insertion hole.

In addition, the air tube is provided with a lower end protruding from the lower portion of the second connection portion, and the first connection portion is inserted into the second suction tube by cutting the outer peripheral surface of the upper portion so that the lower portion of the air tube is provided on the outside. A seating groove provided with a lower portion of the air tube is formed on the non-cut outer peripheral surface, and the Shingi seating groove is formed to extend toward the upper surface of the mirror, allowing the air supplied to the air tube to pass through the image of the mirror. It is characterized in that it guides laterally.

In addition, the auxiliary suction hose provided between the suction hose and the filtration unit; The auxiliary suction hose and the suction hose are connected to each other, and a connection part provided at a lower portion of the holding part is further included, wherein the suction hose is formed to have a lighter weight than the auxiliary suction hose, and the tooth diameter is, the auxiliary suction hose It is characterized in that it is pulled to the lower part by the weight of the mounting portion.

In addition, it is provided in the fixing part, the suction switch provided to protrude to the inside; further comprising, the support part is inserted into the fixing part is inserted into the groove to prevent the suction switch from being pressed when rotated is formed, the The suction switch is characterized in that when the support part is rotated and the suction switch is released from the inner mouth groove and pressed on the outer circumferential surface of the support part, the filtering part is operated so that foreign substances are sucked.

In addition, the mounting portion includes a middle portion through which the suction hose is movably formed through a through hole, and an inclined portion bent upward so that the mirror of the tooth diameter can be inclinedly mounted so that the mirror of the tooth diameter can be directed upward on one side of the intermediate portion; The other side of the middle portion is bent in the downward direction, and the end of the through hole includes an extension portion extending toward the lower portion, and a roller that is provided inside the through hole and rotates to move the contacting suction hose.

The effect of the present invention as described above, when using the alveolus, suction and air injection can be performed without putting a separate suction and air injector in the oral cavity. can provide

In addition, the effect of the present invention can be easily taken out by attaching a magnet to the case of the patient swallowing before using tweezers, when the deletion bar is removed from the handpiece, or the file or instrument is missed or dropped during nerve treatment or implant surgery. It is possible to provide a mirror suction device with

In addition, the effect of the present invention is that when the pedestal is rotated in one direction, the suction switch is turned on and the suction pump is operated, and when the pedestal is returned to the original position, the suction switch is turned off and the operation of the suction pump is stopped, thereby facilitating suction without separate operation It is possible to provide a mirror suction device that can do this.

In addition, the effect of the present invention can provide a mirror suction device that can easily remove the filter cover of the filtration unit and can be easily used by filtering through the filter.

1 is a perspective view showing a tooth diameter of a mirror suction device according to a preferred embodiment of the present invention.
2 is an exploded perspective view showing a tooth diameter of a mirror suction device according to a preferred embodiment of the present invention.
3 is a cross-sectional view showing a tooth diameter of a mirror suction device according to a preferred embodiment of the present invention.
4 is an enlarged view showing an enlarged portion of FIG. 2 .
5 is a perspective view showing a mirror suction device according to a preferred embodiment of the present invention.
6 is a front view showing a mirror suction device according to a preferred embodiment of the present invention.
7 is a plan sectional view showing a mirror suction device according to a preferred embodiment of the present invention.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, the present invention will be described with reference to the drawings for explaining a mirror suction device according to embodiments of the present invention.

The mirror suction device according to the present invention includes a dental crown 100 and a filtering unit 200 .

First, the dental crown 100 has a suction function and a function of spraying air to the mirror 118 .

These, the tooth diameter 100, the main body 110, the first connection part 120, the second connection part 130, the air tube 140, the body 150, the air switch 160, the suction control valve (170) includes

The body 110 is provided with a mirror 118 on the upper portion, and is communicated with the outside to form an inlet hole.

At this time, the inlet hole is formed with a first inlet hole 111 communicating with the outer peripheral surface of the main body 110 and a second inlet hole 112 communicating with the lower surface of the main body 110 .

In addition, the first inlet hole 111 and the second inlet hole 112 may be formed as a pair spaced apart by a predetermined interval, but is not limited thereto.

For example, when the first inlet hole 111 is blocked by being pressed against the skin, foreign substances may be sucked into the second inlet hole 112 . In addition, while suction is performed through the first inlet hole 111 , air may be introduced into the second inlet hole 112 to ensure smooth suction.

On the other hand, in the body 110, an insertion hole 115 into which the first connection part 120 to be described later is inserted is formed, and a space 113 is formed so that the insertion hole 115 and the inlet hole communicate with each other.

That is, the main body 110 has a semi-circular space 113 with one upper side inside, and a semi-circular fixing plate 114 is formed on the other side of the upper side.

An insertion hole 115 through which the space 113 communicates with the outside of the body 110 is formed inside the fixing plate 114 . And a mirror 118 is fixed to the upper surface of the fixing plate 114 .

In addition, the insertion hole 115, a part of the inner peripheral surface is formed of a surface. That is, the first insertion portion 121 and the insertion hole 115 are partially formed of a surface facing each other, and the first connection portion 120 is the first insertion portion 121 and the insertion hole 115 that are in surface contact. It can be fixed so as not to be rotated by

In addition, on both sides of the space 113 , the magnet groove 116 inserted into the lower portion is formed, and the magnet 117 is fixed to the magnet groove 116 . A dental accessory or a treatment accessory that has fallen into the oral cavity due to the magnet 117 is magnetically attached to the lower surface of the body 110 and can be easily taken out.

The first connection part 120 is provided with one side inside the body 110, and a first suction pipe 124 communicating with the inlet hole is formed.

The first connection part 120 includes a first insertion part 121 , a bent part 122 , and a second insertion part 123 .

The first insertion part 121 is inserted into the insertion hole 115 . At this time, a portion of the outer peripheral surface is formed of a surface, and the surface is in surface contact with the surface formed in the insertion hole (115). For example, the first insertion part 121 and the insertion hole 115 may be formed in a semicircular shape.

In the bent portion 122 , the first insertion portion 121 is bent and extended in the direction of the upper surface of the mirror 118 . And the upper end of the bent portion 122 is extended to be located above the upper surface of the mirror (118). This is so that the air injected into the air tube 140 to be described later can be injected from the top of the mirror 118 to the upper surface of the mirror 118 .

The second insertion part 123 is bent so that the end of the bent part 122 is extended and the longitudinal direction is toward the upper surface of the mirror 118 is extended. This is to make it the same as the longitudinal direction of the second connection part 130 provided with the air tube 140 to be described later, so that the air injected into the air tube 140 faces the upper surface of the mirror 118 .

In addition, the second insertion part 123 is inserted into the second suction pipe 131 and is press-fitted. The fitting is to easily separate the first connection part 120 from the second connection part 130 when the mirror 118 is damaged.

As described above, as the first connector 120 is fitted to the second connector 130 in order to replace it, the rotation of the first connector 120 must be prevented.

To this end, the outer peripheral surface of the first connection part 120 is cut and inserted into the second suction tube 131 so that the lower part of the air tube 140, which will be described later, is provided on the outside, and the air tube ( A seating groove 125 provided with a lower portion of the 140 is formed.

In other words, the second insertion part 123, the outer peripheral surface of the upper portion is cut and inserted into the second suction tube 131, the outer peripheral surface that is not cut has a seating groove 125 provided with the lower part of the air tube 140 is is formed

At this time, the seating groove 125 is formed in the longitudinal direction of the second insertion part 123 . That is, the seating groove 125 is extended to face the upper surface of the mirror 118 , and at the same time guides the air supplied to the air tube 140 to the upper surface of the mirror 118 , the first connection part 120 . can be prevented from rotating.

Since the portion to be inserted into the patient's oral cavity is up to the bent portion, the air tube 140 provided in the seating groove 125 of the second insertion portion 123 is not caught on the patient's lips and is easy to use even for a doctor.

In addition, as the air is sprayed from the position of the second insertion part 123 , it is possible to remove foreign substances or fogging from the mirror 118 without disturbing or injuring the lips or oral cavity of the patient.

The second connection part 130 is provided on the other side of the first connection part 120 , and a second suction pipe 131 communicating with the first suction pipe 124 is formed.

The air tube 140 passes through the upper part of the second connection part 130 , is provided inside the second suction pipe 131 , and protrudes from the upper part of the second connection part 130 . And, the lower portion of the air tube 140 is provided to protrude to the lower portion of the second connection portion (130).

In addition, the upper portion of the second connection portion 130 is formed to be bent obliquely. Accordingly, the air tube 140 may be provided inside the second suction tube 131 through the upper portion of the bent second connection portion 130 , and the air tube 140 and the second connection portion 130 . The upper part can be separated from each other.

The body 150 is provided to surround the upper part of the separated second connection part 130 and the upper part of the air pipe 140 , and a suction hose 240 at the ends of the second connection part 130 and the air pipe 140 , respectively. and the air hose 141 are connected.

In addition, on the outside of the body 150, the suction hose 240 and the air hose 141 can be coupled to the second connecting portion 130 and the air tube 140, respectively, the suction coupler 151 and the air coupler 152 may be provided.

The air switch 160 is provided on the body 150 and can open and close the air tube 140 to control the air supplied from the air hose 141 to the air tube 140 .

The suction control valve 170 is provided with the body 150 so that the second suction pipe 131 can be opened and closed to control the suction force sucked into the suction hose 240 .

In this way, the tooth diameter 100 has an inlet hole, a space 113 , a first suction hole and a second suction hole to enable suction, and the air tube 140 so that air can be sprayed toward the mirror 118 . and the second insertion part 123 of the first connection part 120 is formed, so that it has three functions through the air switch 160 and the suction control valve 170 . Since the doctor directly manipulates the air switch 160 and the suction control valve 170 as needed, and can see the medical treatment without assistance, the treatment time can be shortened.

The filtration unit 200 is coupled to the end of the suction hose 240 , filters foreign substances transferred to the suction hose 240 , and then drains it.

At this time, the filtration unit 200 is provided with a suction pump to enable suction. In addition, a filter is provided inside to filter out foreign substances. This filter can be replaced by opening the filter unit 200 . Accordingly, foreign substances are filtered and discharged to the drain port, thereby preventing clogging of the drain hole.

Meanwhile, the mirror suction device of the present invention includes a fixing part 210 , a support part 220 , and a mounting part 230 .

The fixing unit 210 is formed on the equipment holder 201 on which the dental treatment equipment is mounted and is fixed to the holder groove 202 having one side opened, and the upper and lower sides are opened.

Here, the equipment holder 201 on which the dental treatment equipment is mounted is equipped with equipment used in dental treatment, such as suction and handpiece. This equipment holder 201 is provided on the unit chair and is designed to be freely movable. In addition, since the equipment holder 201 and the unit chair are well-known matters, a detailed description thereof will be omitted.

In addition, since the fixing part 210 is to be rotatably coupled to the support part 220 to be described later, it is inserted into the holder groove 202 of the equipment holder 201 and moves to the lower part of the holder groove 202 . A fixing nut 211 may be coupled to the protruding fixing part 210 . In addition, the fixing part 210 may be formed with a flange protruding to the outside so as not to protrude to the upper portion of the holder groove 202 and not be inserted into the holder groove 202 .

The support part 220 is rotatable by being fitted to the fixing part 210 . In addition, the support part 220 is inserted from the upper part of the fixed part 210 penetrated up and down, and a locking protrusion is formed on the outer circumferential surface so that it can be spanned over the upper part of the fixing part 210 .

In addition, the support nut 221 may be coupled to the lower portion of the support part 220 so that the support part 220 does not fall out from the fixing part 210 .

And, the filter cover 203 of the filtering unit 200 is coupled to the lower end of the support unit 220 . When the filter of the filter unit 200 is to be replaced, the filter cover 203 may be separated from the support unit 220 .

Mounting portion 230, the middle portion 231 is coupled to the upper end of the support portion 220 to enable tilt adjustment, and the tooth diameter 100 is mounted on one side.

In addition, the mounting portion 230 includes an intermediate portion 231 , an inclined portion 233 , an extension portion 234 , and a roller 235 .

The intermediate portion 231 is formed through a through hole 232 through which the suction hose 240 is movable, and is coupled to the upper end of the support portion 220 to be tilt-adjustable.

The inclined portion 233 is bent upward so that the mirror 118 of the tooth diameter 100 can be inclinedly mounted to one side of the intermediate portion 231 so as to be directed upward. At this time, the inclined portion 233 has an upper portion opened so that the through hole 232 is not formed to extend.

The extension part 234 is formed so that the other side of the middle part 231 is bent in the downward direction so that the end of the through hole 232 extends downwardly.

The roller 235 is provided in the through hole 232 and rotates to move the contacting suction hose 240 . Accordingly, the suction hose 240 may smoothly move the through hole 232 .

Meanwhile, the mirror suction device according to the present invention further includes an auxiliary suction hose 250 and a connection part 260 .

The auxiliary suction hose 250 is provided between the suction hose 240 and the filtering unit 200 .

The connection part 260 connects the auxiliary suction hose 250 and the suction hose 240 , and is provided under the mounting part 230 .

At this time, the suction hose 240 is formed to have a lighter weight than the auxiliary suction hose 250 . For example, the diameter of the suction hose 240 may be formed smaller than the auxiliary suction hose (250).

And the tooth diameter 100 is pulled downward by the weight of the auxiliary suction hose 250 and mounted on the mounting part 230 . That is, after the doctor uses the dental crown 100 , when it moves toward the mounting part 230 , the suction hose 240 coming out to one side of the intermediate part 231 by the weight is inserted into the through hole 232 .

In addition, the connection part 260 is formed to be caught without being inserted into the through hole 232 of the extension part 234, so even if the doctor pulls the dental crown 100, it can be pulled by the length of the suction hose 240, Since the connection part 260 is not caught in the through hole 232 , the suction hose 240 can be smoothly returned to the original position when the tooth diameter 100 is mounted on the inclined part 233 .

In addition, the mirror suction device of the present invention further includes a suction switch (270).

The suction switch 270 is provided in the fixing part 210, and is provided to protrude inward.

Here, the support portion 220 is inserted into the fixing portion 210 and rotated, the suction switch 270 is formed with an inner groove 222 that is not pressed.

That is, the suction switch 270 is, when the support part 220 is rotated and the suction switch 270 is released from the internal intake groove 222 and is pressed on the outer peripheral surface of the support part 220, the filtering part 200 is operated to remove foreign substances. to be sucked.

At this time, the suction switch 270 may be configured as a relay switch, but is not limited thereto.

And when the suction switch 270 is provided to protrude, it is preferable to protrude toward the opening side of the mounting groove 202, but is not limited thereto.

In addition, the internal intake groove 222 of the support part 220 does not use the tooth diameter 100 mounted on the support part 230 , and in a state in which the support part 230 is rotated to a predetermined position not to be disturbed, the suction The switch 270 is formed so as to be located in the inner inlet groove (222).

Accordingly, when the doctor wants to use the dental crown 100 , if the holder 230 is rotated toward the doctor at a predetermined position, the suction switch 270 is released from the internal mouth groove 222 and is pressed on the outer peripheral surface of the support portion 220 . will be ripped Then, the filtering unit 200 starts to operate, and suction is performed automatically. And, if the doctor does not use the dental crown 100, after placing it on the mounting unit 230, the doctor rotates the mounting unit 230 to a predetermined position. At this time, as the suction switch 270 is located in the inner mouth 222, the operation of the filtering unit 200 is stopped.

Those of ordinary skill in the art to which the present invention pertains will understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features thereof. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the claims described below rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention. should be interpreted In addition, the operation sequence of the components described in the above process does not necessarily have to be performed in a time series order, and if the gist of the present invention is satisfied even if the execution order of each configuration and step is changed, such a process may fall within the scope of the present invention. Of course you can.

100: tooth diameter 110: body
111: first inlet hole 112: second inlet hole
113: space 114: fixed plate
115: insertion hole 116: magnetic groove
117: magnet 118: mirror
120: first connection part
121: first insertion part 122: bent part
123: second insertion part 124: first suction pipe
125: seating groove 130: second connection part
131: second suction pipe 140: air pipe
141: air hose 150: body
151: suction coupler 152: air coupler
160: air switch 170: suction control valve
200: filtration unit 201: equipment holder
202: mounting groove 203: filter cover
210: fixing part 211: fixing nut
220: support 221: support nut
222: inner groove 230: holding part
231: middle part 232: through hole
233: inclined part 234: extended part
235: roller 240: suction hose
250: auxiliary suction hose 260: connection part
270: suction switch

Claims (3)

A body having a mirror provided on the upper portion and communicating with the outside and having an inlet hole formed therein;
a first connection part provided with one side inside the body and having a first suction pipe communicating with the inlet hole;
a second connection part provided on the other side of the first connection part and having a second suction pipe communicating with the first suction pipe;
an air pipe provided inside the second suction pipe through the upper part of the second connection part and protruding from the upper part of the second connection part;
a body provided surrounding the upper part of the second connection part and the upper part of the air pipe, and a suction hose and an air hose connected to the ends of the second connection part and the air pipe, respectively;
an air switch provided in the body and capable of opening and closing the air tube so as to control the air supplied from the air hose to the air tube;
a tooth diameter provided with the body and including a suction control valve capable of opening and closing the second suction pipe to control the suction force sucked into the suction hose; and
A filtration unit coupled to the end of the suction hose to filter the foreign material transferred to the suction hose and then drain the filter unit;
The inlet hole is formed with a first inlet hole communicating with the outer circumferential surface of the main body and a second inlet hole communicating with the lower surface of the main body,
When the first inlet hole or the second inlet hole is pressed against the skin and blocked, the suction is made to the second inlet hole or the first inlet hole,
The main body has an insertion hole into which the first connection part is inserted, and a space is formed so that the insertion hole and the inlet hole communicate with each other,
In the space, a magnet groove inserted into the lower portion is formed, and a magnet is fixed to the magnet groove,
A dental accessory or treatment accessory that has fallen into the oral cavity by the magnet is magnetically attached to the lower side of the body,
The first connection portion includes a first insertion portion inserted into the insertion hole, and a bent portion extending so that the first insertion portion is bent in the direction of the upper surface of the mirror and the upper end is positioned above the upper surface of the mirror; The end of the bent portion is extended and the longitudinal direction is bent to face the upper surface of the mirror and includes a second insertion portion inserted into the second suction tube,
The insertion hole and the first insertion portion are formed in a semi-cylindrical shape having a flat upper portion and a semi-circular lower portion,
The first connection part is inserted into the insertion hole, and the flat cross-sectional area is not rotated by a semi-circular shape, and is fitted to the second insertion part so that rotation with the second insertion part is prevented and replaceable,
The second insertion part, the outer peripheral surface of the upper part is cut and only the upper part cut by the second suction pipe is fitted,
The air tube is provided in the second insertion portion that is bent and extended toward the upper surface of the mirror, the mirror suction device, characterized in that the air is directly injected to the upper surface of the mirror.
According to claim 1,
The air tube is provided so that the lower end protrudes below the second connection part,
The second insertion part is formed by extending the plane of the first insertion part and has a seating groove provided with a lower end of the air pipe protruding under the second connection part on a plane that is not inserted into the second suction pipe and is not cut. is formed,
The seating groove is formed to extend toward the upper surface of the mirror, and guides the air supplied to the air tube to the upper surface of the mirror,
The air tube, as the lower end is provided between the longitudinal direction of the seating groove without protruding in the longitudinal direction of the second insertion part, mirror suction device, characterized in that it does not catch on the lips of the patient.
a dental crown having a mirror on the upper portion, communicating with the outside to form an inlet hole, and connecting a suction hose communicating with the inlet hole;
a fixing unit formed on a cradle on which dental treatment equipment is mounted and fixed to a cradle having an open one side, and having an open top and bottom;
a rotatable support part fitted to the fixing part;
a holding part on which the tooth diameter is mounted on one side of the support part;
an auxiliary suction hose provided between the suction hose and the filter unit;
It further includes a; connecting the auxiliary suction hose and the suction hose, the connecting portion provided at the lower portion of the mounting portion,
The suction hose is formed to have a lighter weight than the auxiliary suction hose,
The dental crown is pulled downward by the weight of the auxiliary suction hose and is mounted on the mounting unit.

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