JPH0639683Y2 - Head fixing device - Google Patents
Head fixing deviceInfo
- Publication number
- JPH0639683Y2 JPH0639683Y2 JP1989098466U JP9846689U JPH0639683Y2 JP H0639683 Y2 JPH0639683 Y2 JP H0639683Y2 JP 1989098466 U JP1989098466 U JP 1989098466U JP 9846689 U JP9846689 U JP 9846689U JP H0639683 Y2 JPH0639683 Y2 JP H0639683Y2
- Authority
- JP
- Japan
- Prior art keywords
- moving
- base
- impression
- movable
- fixing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002601 radiography Methods 0.000 claims description 3
- 210000003128 head Anatomy 0.000 description 12
- 238000003384 imaging method Methods 0.000 description 9
- 238000003325 tomography Methods 0.000 description 3
- 210000004513 dentition Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000036346 tooth eruption Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、歯科領域を始めとする頭部の診断に供すべく
パノラマレントゲン撮影による曲面断層と、断層レント
ゲン撮影による横断的平面断層の撮影を行う際に、患者
の頭部を固定させるために患者の歯列を凹形に形成した
印象を固定して、この印象を患者に咬ませてレントゲン
撮影を行うための頭部固定装置に関する。[Detailed Description of the Invention] [Industrial field of application] The present invention provides a curved tomography by panoramic radiography and a transverse plane tomography by tomography to be used for diagnosis of the head such as in the dental field. The present invention relates to a head fixing device for fixing an impression in which a dentition of a patient is formed in a concave shape in order to fix the head of the patient and causing the patient to bite the impression for radiography.
従来、歯科領域を始めとする頭部の診断に供すべくパノ
ラマレントゲン撮影、断層レントゲン撮影を行う際、患
者の頭部を固定するため、患者の顎をチンレストと呼ば
れる顎台に載せさせたり、額を抑えたり、耳の孔を基準
にする等の方法がとられてきた。Conventionally, when performing panoramic X-ray imaging or tomographic X-ray imaging for the purpose of diagnosing the head such as in the dental field, the patient's jaw is placed on a chin rest called a chin rest or the forehead in order to fix the patient's head. There have been various methods such as suppressing the noise and using the ear hole as a reference.
しかし、これ等の方法は何れも患者の皮膚表面を基準と
するので、撮影中に患者が動いてしまったり、撮影の都
度顎の位置が変化して、像の再現性が乏しかったり、拡
大率が変化したり、歪が増大したりする。However, since all of these methods are based on the patient's skin surface, the patient may move during imaging, the jaw position may change each time imaging occurs, and the reproducibility of the image may be poor. Change or the distortion increases.
そのため、患者の歯列を凹形とした印象を採取し、これ
を歯科レントゲン装置に取付けられて、Ｘ−Ｙ方向等に
移動できる咬合台の印象取付部に取付け、この印象を患
者に咬ませることによって患者の顎部を固定することが
考えられた。Therefore, an impression is obtained in which the dentition of the patient is concave, and this impression is attached to a dental X-ray device and attached to an impression attachment portion of an occlusal table that can be moved in the XY directions, and the impression is bitten by the patient. Therefore, it was considered that the jaw of the patient was fixed.
このような患者に咬ませる印象を取付けた頭部固定装置
においては、レントゲン装置のＸ線発生装置と受像装置
の回転中心と、レントゲン撮影を行う部位を一致させた
り、投影角度を所要角度だけ傾けたりする必要が生じ
る。In the head fixing device with such an impression of being bitten by the patient, the X-ray generator of the X-ray device and the rotation center of the image receiving device are made to coincide with the part where the X-ray is taken, or the projection angle is tilted by a required angle. It will be necessary to
本考案は、これ等の必要に応じて、印象の位置角度を任
意に設定できる頭部固定装置を提供することを目的とす
る。An object of the present invention is to provide a head fixing device capable of arbitrarily setting the position angle of an impression according to these needs.
本考案は、前述の目的を達成するための頭部固定装置の
手段に関するもので、歯科用等の頭部レントゲン撮影を
行うレントゲン装置に取付けられる基台と、該基台に一
方向に移動可能に支持され、移動手段によって移動され
る第１の移動台と、該第１の移動台に、その移動方向と
は直角方向に移動可能に支持され、移動手段によって移
動される第２の移動台と、歯列を凹形に形成した歯列印
象をＵ字状の取付部に取付け、第２の移動台に取付けら
れる支持アームと、該第２の移動台と支持アームとの間
に設けられる第２の移動台の移動方向を軸心とする支持
アームの回動手段と、を備えた構成を要旨とするもので
ある。The present invention relates to means for a head fixing device for achieving the above-mentioned object, and a base mounted on an X-ray apparatus for dental X-ray imaging of a head and a unidirectionally movable base. A first moving table supported by the moving means, and a second moving table supported by the first moving table so as to be movable in a direction perpendicular to the moving direction and moved by the moving means. And a support arm attached to a U-shaped mounting portion with a tooth row impression in which the tooth row is formed in a concave shape, and provided between the second movement table and the support arm. The gist of the present invention is to provide a configuration including a support arm pivoting unit having the second moving base as the axis of movement.
本考案の頭部固定装置は、２つの移動台を、それぞれ直
交するＸ−Ｙ方向に移動することによって、支持アーム
に取付けられた印象の位置を、一平面内の任意の位置に
設定することができる。The head fixing device of the present invention sets the position of the impression attached to the support arm to an arbitrary position within one plane by moving the two moving bases in the XY directions which are orthogonal to each other. You can
更に、Ｘ−Ｙ方向と直交するＺ方向に移動する移動台を
設けることにより、印象の設定位置を立体的に変えるこ
とができる。Furthermore, by providing a moving table that moves in the Z direction orthogonal to the XY directions, the impression setting position can be changed three-dimensionally.
又、回動手段によって移動台を傾けることにより、印象
の設定角度を任意に変えることができるものである。By tilting the movable table by the rotating means, it is possible to arbitrarily change the setting angle of the impression.
次に、本考案の実施の一例を、第１図について以下に説
明する。Next, an example of implementation of the present invention will be described below with reference to FIG.
１は、レントゲン撮影装置の支持台に取付けられる基台
で、この基台１に固定された案内台２に左右方向に移動
可能に第１の移動台３が支持され、案内台２には、その
移動量を示す目盛４が施されている。Reference numeral 1 denotes a base that is attached to a support base of the X-ray imaging apparatus. A first moving base 3 is supported by a guide base 2 fixed to the base 1 so as to be movable in the left and right directions. A scale 4 indicating the amount of movement is provided.
第１の移動台３は、斯くして案内台２上を移動できる
が、その移動後、固定手段、例えば、ビス20によって固
定できる。The first movable table 3 can thus be moved on the guide table 2, but after the movement, it can be fixed by a fixing means, for example, a screw 20.
第１の移動台３には、第２の移動台５が前後方向、即ち
左右方向をＸとすると、これに直交するＹ方向に移動可
能に挿通されている。The second movable table 5 is inserted into the first movable table 3 so as to be movable in the Y direction orthogonal to the second movable table 5, where X is the front-rear direction, that is, the left-right direction.
第２の移動台５には、その移動量を示す目盛７が施され
ると共に、その移動位置に固定するためのビス６が第１
の移動台３に設けられている。The second moving table 5 is provided with a scale 7 indicating the moving amount thereof, and a screw 6 for fixing the moving position on the second moving table 5 is firstly provided.
It is provided on the moving table 3.
患者の歯形を凹形に形成した印象Ａは、支持アーム８の
先端に取付けられ、その基端は第２の移動台５にビス９
で取付けられている。The impression A in which the tooth profile of the patient is formed in a concave shape is attached to the tip of the support arm 8, and the base end of the impression A is screwed to the second moving table 5.
It is installed in.
この印象Ａを患者が咬むことにより、患者の顎骨がレン
トゲン撮影装置に対して固定されるもので、第１の移動
台３をＸ方向、第２の移動台５をＹ方向に移動させるこ
とにより、レントゲン撮影装置のＸ線発生装置及びその
受像装置の回転中心等と、顎骨の所要の位置とを、同一
平面内で移動して一致させることができるものである。When the patient bites this impression A, the jaw bone of the patient is fixed to the X-ray imaging apparatus, and the first moving table 3 is moved in the X direction and the second moving table 5 is moved in the Y direction. The X-ray generator of the X-ray radiographing apparatus and the center of rotation of the image receiving apparatus and the required position of the jawbone can be moved in the same plane to be matched.
第２図は、第１図の実施例において、第２の移動台５を
円筒形として、第１の移動台３に対し、回動可能に支持
させたもので、第１の移動台３には第２の移動台５の回
動角度を示す目盛10が施されている。FIG. 2 shows a structure in which the second moving table 5 is cylindrical and is rotatably supported by the first moving table 3 in the embodiment of FIG. Is provided with a scale 10 indicating the rotation angle of the second movable table 5.
そして、第２の移動台５の移動、回動角度は、ビス６に
よって固定される。The movement and rotation angle of the second movable table 5 are fixed by the screws 6.
そのために、印象Ａは、同一平面内でＸ−Ｙ方向に移動
できる他、Ｙ軸を中心として傾けることができる。Therefore, the impression A can be moved in the XY directions on the same plane and can be tilted about the Y axis.
従って、この印象Ａを咬むと、患者の顎部は傾いた状態
となり、その角度でのレントゲン撮影が行われる。Therefore, when the impression A is bitten, the patient's jaw is tilted, and the X-ray image is taken at that angle.
次に、第３の実施例を第３図について説明する。Next, a third embodiment will be described with reference to FIG.
この実施例においては、第２図の実施例に対し、案内台
２が基台１に回動自在に支持され、その回動角度を示す
目盛11が基台１に施されると共に、その回動角度はビス
12によって固定される。In this embodiment, as compared with the embodiment shown in FIG. 2, the guide base 2 is rotatably supported by the base 1, and the scale 11 indicating the rotation angle is provided on the base 1 and the rotation of the scale is performed. Moving angle is screw
Fixed by 12.
従って、印象Ａは、第２の実施例のＸ−Ｙ方向の移動、
Ｙ軸を中心とする傾きの他に、垂直軸Ｚを中心とする回
動が行え、印象Ａを咬んだ患者の顎部を左右方向に振る
ことができる。Therefore, the impression A is the movement in the XY direction of the second embodiment,
In addition to tilting about the Y-axis, rotation about the vertical axis Z can be performed, and the jaw of the patient who bites the impression A can be swung in the left-right direction.
第４図の第４実施例では、第３図の実施例に対し、案内
台２の第１の移動台３の移動部2aを円筒形として、第１
の移動台３をＸ方向の軸を中心として回動可能とし、ビ
ス20で第１の移動台３の移動、回動を固定するものであ
る。The fourth embodiment shown in FIG. 4 differs from the embodiment shown in FIG. 3 in that the moving portion 2a of the first moving table 3 of the guide table 2 has a cylindrical shape,
The movable table 3 is rotatable about the axis in the X direction, and the screw 20 fixes the movement and rotation of the first movable table 3.
第１の移動台３には、その回動角度を示す目盛13が施さ
れているもので、印象Ａは第３の実施例の他に前後に傾
けることができ、従って、レントゲン撮影装置に対し、
顎部を前後に傾けさせるようにすることができる。The first moving table 3 is provided with a scale 13 indicating its rotation angle, and the impression A can be tilted back and forth in addition to the third embodiment. ,
The jaw can be tilted back and forth.
第５図の第５実施例においては、第３実施例の第１の移
動台３に角柱14を立設し、これに上下にスライド可能に
第３の移動台15を嵌合し、その上下位置を示す目盛16を
施し、且つビス17でその上下動を固定する。In the fifth embodiment of FIG. 5, a prism 14 is erected on the first moving table 3 of the third embodiment, and a third moving table 15 is slidably fitted on the prism 14 and is moved up and down. A scale 16 indicating the position is provided, and its vertical movement is fixed with a screw 17.
第３の移動台15には、Ｘ軸方向に円柱18を固定し、この
円柱18に第４の移動台3aを嵌合し、第４の移動台3aに
は、その回動角度を示す目盛13を施す。A cylinder 18 is fixed to the third moving table 15 in the X-axis direction, a fourth moving table 3a is fitted to the column 18, and the fourth moving table 3a has a scale indicating a rotation angle thereof. Apply 13.
そして、第４の移動台3aに、第２の移動台５を移動、回
動可能に支持させ、ビス19でこれを固定するもので、第
４の移動台3aに第２の移動台５の回動角度を示す目盛10
を施す他、第３の実施例と変わるものではない。Then, the second movable table 5 is movably and rotatably supported by the fourth movable table 3a, and is fixed by the screw 19, so that the fourth movable table 3a is provided with the second movable table 5a. Scale 10 showing the rotation angle
Other than the above, there is no difference from the third embodiment.
従って、この実施例では、第４実施例の動きの他に、印
象Ａの位置を上下に調節できることになり、顎部の高さ
をレントゲン装置のＸ線発生装置、受像装置の高さに合
わせることができる。Therefore, in this embodiment, in addition to the movement of the fourth embodiment, the position of the impression A can be adjusted up and down, and the height of the jaw is adjusted to the height of the X-ray generator of the X-ray device and the height of the image receiving device. be able to.
本考案の実施例は、第２実施例の印象ＡのＹ軸を中心と
する傾きの他に、他の軸を中心とする回動を与えたり、
適宜に組み合わせることもできる。In the embodiment of the present invention, in addition to the inclination about the Y axis of the impression A of the second embodiment, rotation about another axis is applied,
It is also possible to combine them appropriately.
又、この他に印象Ａの高さの調節のみを、Ｘ−Ｙ方向の
調節に単独で加えたり、傾けと適宜に組み合わせたりす
ることができるものである。Further, in addition to this, only the height adjustment of the impression A can be independently added to the adjustment in the XY directions, or can be appropriately combined with the inclination.
本考案は叙上のように、レントゲン装置に取付け、その
支持アームに取付けた患者の歯形を凹形に形成した印象
を患者に咬ませることにより、患者の頭部をレントゲン
装置に対して固定できるものである。As described above, the present invention can fix the patient's head to the X-ray device by attaching to the X-ray device and biting the patient's impression that the tooth profile of the patient attached to the support arm is concave. It is a thing.
従って、従来からレントゲン装置に設けられている患者
の頭部固定方法よりも、顎骨の固定が直接的となり、レ
ントゲン撮影中の顎部の動きに起因する失敗の防止、再
撮影時の良好な再現性や拡大率の同一を果たすことがで
きる。Therefore, the jaw bone can be fixed more directly than the conventional method of fixing the patient's head, which is provided in the X-ray device, preventing failure due to movement of the jaw during X-ray imaging, and good reproduction at the time of re-imaging. The same sex and expansion rate can be achieved.
又、その印象は、同一平面内での直交するＸ−Ｙ方向の
移動によって、顎骨の所要の位置と、Ｘ線発生装置及び
受像装置の回転中心とを一致させることができ、鮮明な
受像ができる。Further, the impression is that the required position of the jawbone and the rotation center of the X-ray generator and the image receiving device can be made to coincide with each other by moving in the XY directions orthogonal to each other in the same plane, and a clear image is received. it can.
この他にも、上下であるＺ方向の移動や、傾きも任意に
設定することができ、印象の高さ、傾きを任意に調節す
ることができるものである。In addition to this, the vertical movement in the Z direction and the inclination can be set arbitrarily, and the height and inclination of the impression can be adjusted arbitrarily.
第１図は本考案の第１実施例の斜面図、 第２図〜第５図は同上の第２実施例〜第５実施例の斜面
図である。 Ａ…印象、１…基台、２…案内台、３…第１の移動台、
3a…第４の移動台、５…第２の移動台、6,9,12,17,19,2
0…ビス、８…支持アーム、15…第３の移動台。FIG. 1 is a perspective view of a first embodiment of the present invention, and FIGS. 2 to 5 are perspective views of the second to fifth embodiments of the same. A ... Impression, 1 ... Base, 2 ... Guide, 3 ... First moving base,
3a ... fourth mobile stand, 5 ... second mobile stand, 6,9,12,17,19,2
0 ... Screw, 8 ... Support arm, 15 ... Third moving base.
Claims (4)
トゲン装置に取付けられる基台と、該基台に一方向に移
動可能に支持され、移動手段によって移動される第１の
移動台と、該第１の移動台に、その移動方向とは直角方
向に移動可能に支持され、移動手段によって移動される
第２の移動台と、歯列を凹形に形成した歯列印象をＵ字
状の取付部に取付け、第２の移動台に取付けられる支持
アームと、該第２の移動台と支持アームとの間に設けら
れ第２の移動台の移動方向を軸心とする支持アームの回
動手段と、を備えたことを特徴とする頭部固定装置。1. A base mounted on an X-ray apparatus for dental head radiography, such as a dentist, and a first moving base supported by the base so as to be movable in one direction and moved by a moving means. A second movable table, which is supported by the first movable table so as to be movable in a direction perpendicular to the moving direction thereof, and is moved by a moving means, and a tooth row impression in which the tooth row is formed in a U shape is U-shaped. Of the support arm attached to the attachment part of the second movement table and the rotation of the support arm provided between the second movement table and the support arm and having the movement direction of the second movement table as the axis. A head fixing device comprising: a moving means.
面に沿って第１の移動台を回動させる回動手段を設けた
ことを特徴とする請求項（１）記載の頭部固定装置。2. A rotating means for rotating the first moving base along the surface of the base is provided between the base and the first moving base. ) The head fixing device described.
に、第１の移動台の移動方向を軸心とする第２の移動台
を回動させる回動手段を設けたことを特徴とする請求項
（１）記載の頭部固定装置。3. A rotating means for rotating a second moving table having an axis in the moving direction of the first moving table is provided between the first moving table and the second moving table. The head fixing device according to claim 1, wherein
移動台の移動方向の両方向と直角方向に移動可能で、移
動手段により移動する移動台を設けたことを特徴とする
請求項（１）記載の頭部固定装置。4. A moving table which is movable in a direction perpendicular to both the moving direction of the first moving table and the moving direction of the second moving table and which is moved by a moving means. The head fixing device according to item (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989098466U JPH0639683Y2 (en) | 1989-08-25 | 1989-08-25 | Head fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989098466U JPH0639683Y2 (en) | 1989-08-25 | 1989-08-25 | Head fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0339013U JPH0339013U (en) | 1991-04-16 |
| JPH0639683Y2 true JPH0639683Y2 (en) | 1994-10-19 |
Family
ID=31647564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989098466U Expired - Lifetime JPH0639683Y2 (en) | 1989-08-25 | 1989-08-25 | Head fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639683Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU174690U1 (en) * | 2017-07-10 | 2017-10-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородская государственная медицинская академия" Министерства здравоохранения Российской Федерации (ФГБОУ ВО НижГМА Минздрава России) | SUPPORT FOR THE CHIN IN A CONE-RAY TOMOGRAPHY OF THE MAXILLOFACIAL REGION |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0288046A (en) * | 1988-09-26 | 1990-03-28 | Kunio Kawamura | Chin bone fixing type heat part fixing device |
-
1989
- 1989-08-25 JP JP1989098466U patent/JPH0639683Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU174690U1 (en) * | 2017-07-10 | 2017-10-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородская государственная медицинская академия" Министерства здравоохранения Российской Федерации (ФГБОУ ВО НижГМА Минздрава России) | SUPPORT FOR THE CHIN IN A CONE-RAY TOMOGRAPHY OF THE MAXILLOFACIAL REGION |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0339013U (en) | 1991-04-16 |
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