JP2976840B2 - Dental X-ray image detector - Google Patents
Dental X-ray image detectorInfo
- Publication number
- JP2976840B2 JP2976840B2 JP7085278A JP8527895A JP2976840B2 JP 2976840 B2 JP2976840 B2 JP 2976840B2 JP 7085278 A JP7085278 A JP 7085278A JP 8527895 A JP8527895 A JP 8527895A JP 2976840 B2 JP2976840 B2 JP 2976840B2
- Authority
- JP
- Japan
- Prior art keywords
- ray
- dental
- sensor case
- image detector
- detection element
- 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
- 238000001514 detection method Methods 0.000 claims description 11
- 210000004513 dentition Anatomy 0.000 description 10
- 230000036346 tooth eruption Effects 0.000 description 10
- 210000000214 mouth Anatomy 0.000 description 9
- 238000003384 imaging method Methods 0.000 description 4
- 206010047700 Vomiting Diseases 0.000 description 3
- 230000008673 vomiting Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、歯科医院あるいは
歯科診療所などで行われるＸ線撮影において使用される
歯科用のＸ線画像検出器に関する。[0001] 1. Field of the Invention [0002] The present invention relates to a dental X-ray image detector used in X-ray photography performed in a dental clinic or a dental clinic.
【０００２】[0002]
【従来の技術】従来、この種の歯科用Ｘ線画像検出器と
しては、図５に示すような構造のものが知られている。
（たとえば特開平５−１３０９９０号公報）図５のもの
は点線で示すＸ線検出素子１１を内包するセンサーケー
ス１２の長手方向端面からセンサーケーブル１３が矢印
で示したＸ線照射方向と垂直な方向に引き出されるタイ
プのもので、検出器前面に位置する歯牙のＸ線照射像を
Ｘ線検出素子で画像として検出し、電気信号としてセン
サーケーブル１３を介して取り出す構造となっている。2. Description of the Related Art Conventionally, as this kind of dental X-ray image detector, one having a structure as shown in FIG. 5 is known.
(E.g. JP-A 5-1309 9 0 JP) X-ray irradiation direction perpendicular to the sensor cable 13 from the longitudinal end surface of the sensor case 12 enclosing an X-ray detection elements 11 shown by a dotted line indicated by the arrows that of Figure 5 The X-ray detector detects an X-ray irradiating image of a tooth located in front of the detector as an image using an X-ray detecting element, and extracts the image as an electric signal via a sensor cable 13.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記従来の歯
科用Ｘ線画像検出器の構造では、Ｘ線撮影時に検出器を
歯列に当接させるとき、センサーケースが単純な直方体
形状であるために、コーナー部が歯列に突き当たり、患
者の嘔吐感を誘発しやすくなるもので、撮影を受ける患
者に不快感を与え、撮影の妨げとなるものであった。However, in the structure of the conventional dental X-ray image detector described above, the sensor case has a simple rectangular parallelepiped shape when the detector is brought into contact with the dentition during X-ray imaging. In addition, the corner portion hits the dentition, which easily induces a vomiting sensation of the patient, which causes discomfort to the patient to be photographed and hinders the photographing.
【０００４】また、Ｘ線照射面も平面であるため、湾曲
して位置している歯列に当接して撮影するとき、安定な
状態で検出器を固定しにくく撮影画像がぶれ易いという
問題点があった。[0004] Further, since the X-ray irradiation surface is also flat, it is difficult to fix the detector in a stable state when photographing in contact with a curved tooth row, and the photographed image is easily blurred. was there.
【０００５】本発明は上記問題を解決するもので、口腔
内のＸ線撮影において検出器を歯列に当接して固定する
際に、検出器を安定させるとともに指などで押さえやす
い構造とし、患者への負担が少なく撮影が容易な歯科用
Ｘ線画像検出器を提供することを目的としたものであ
る。The present invention has been made to solve the above problem, and has a structure which stabilizes the detector and makes it easier to press with a finger or the like when the detector is brought into contact with and fixed to the dentition in X-ray photography in the oral cavity. It is an object of the present invention to provide a dental X-ray image detector that can easily perform radiography with little burden on the patient.
【０００６】[0006]
【課題を解決するための手段】この目的を達成するため
に本発明の第１の手段は、センサーケースの歯列当接面
を、センサーケース外方へ凸状の曲面で構成したもので
ある。According to a first aspect of the present invention, a tooth row contact surface of a sensor case is formed by a curved surface protruding outward from the sensor case. .
【０００７】また、本発明の第２の手段は、センサーケ
ースのＸ線照射側に対する背面が、内包する板状のＸ線
検出素子の背面に対し傾斜を有する構成としたものであ
る。A second means of the present invention is such that the back surface of the sensor case with respect to the X-ray irradiation side is inclined with respect to the back surface of the plate-shaped X-ray detecting element included therein.
【０００８】[0008]
【発明の実施の形態】上記第１の手段により、口腔内に
検出器を固定する際に、センサーケースの表面が湾曲し
て位置する歯列の内側に沿いやすく、安定して固定する
ことができ、Ｘ線撮影時の画像のぶれを防ぐことができ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the first means, when a detector is fixed in an oral cavity, the surface of a sensor case is easily curved along the inside of a row of teeth and can be fixed stably. It is possible to prevent image blurring during X-ray imaging.
【０００９】また、上記第２の手段により、指を使って
検出器を口腔内にしっかり密着させることができるよう
になり、鮮明なＸ線撮影を行える。In addition, the second means makes it possible to firmly adhere the detector to the oral cavity using a finger, thereby enabling clear X-ray imaging.
【００１０】[0010]
【実施例】以下、本発明の歯科用Ｘ線画像検出器の実施
例を図面に沿って説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a dental X-ray image detector according to the present invention will be described below with reference to the drawings.
【００１１】図１は本発明の第１実施例に係る歯科用Ｘ
線画像検出器の断面構造を示すもので、１は歯牙のＸ線
照射画像を検出するＸ線検出素子で、ＣＣＤなどで構成
されるセンサー部１ａ、センサー部１ａを固定するベー
ス部１ｂ、Ｘ線以外の外乱光を遮断するための遮蔽板１
ｃで構成されている。２はＸ線検出素子１を内包するセ
ンサーケースで、２ａは凸状の曲面で構成したセンサー
ケース２の歯列への当接面、３はＸ線検出素子１の入出
力信号をセンサーケース２の外部へ引き出すためのセン
サーケーブルである。FIG. 1 shows a dental X according to a first embodiment of the present invention.
1 shows an X-ray detection element for detecting an X-ray irradiation image of a tooth, a sensor unit 1a composed of a CCD or the like, a base unit 1b for fixing the sensor unit 1a, X Shield plate 1 for blocking disturbance light other than lines
c. Reference numeral 2 denotes a sensor case containing the X-ray detection element 1, 2 a denotes a contact surface of the sensor case 2 formed of a convex curved surface with a tooth row, and 3 denotes an input / output signal of the X-ray detection element 1. This is a sensor cable to be pulled out of the camera.
【００１２】次に、この歯科用Ｘ線画像検出器の動作を
図２に沿って説明する。Next, the operation of the dental X-ray image detector will be described with reference to FIG.
【００１３】図２は口腔内の歯列に本発明の第１実施例
の歯科用Ｘ線画像検出器を当接させた場合の例を示した
もので、図中矢印で示す方向から照射されたＸ線は歯列
およびセンサーケース２を透過した後、Ｘ線検出素子１
において歯牙のＸ線照射画像が電気信号として検出され
る。そしてＸ線検出素子１によって検出された画像信号
はセンサーケーブル３によって口腔外のコントローラ
（図示せず）に導かれる。FIG. 2 shows an example in which the dental X-ray image detector according to the first embodiment of the present invention is brought into contact with the dentition in the oral cavity, and is irradiated from the direction indicated by the arrow in the figure. After the transmitted X-rays pass through the dentition and the sensor case 2, the X-ray detecting element 1
In the above, an X-ray irradiation image of the tooth is detected as an electric signal. Then, the image signal detected by the X-ray detection element 1 is guided to a controller (not shown) outside the oral cavity by the sensor cable 3.
【００１４】そして、口腔内に歯科用Ｘ線画像検出器を
指で固定するときセンサーケース２の凸状曲面２ａが歯
列の湾曲面にスムーズにフィットするので、患者に嘔吐
感を与えることもなく、安定した状態でぶれのないＸ線
撮影を行うことができる。When the dental X-ray image detector is fixed in the oral cavity with a finger, the convex curved surface 2a of the sensor case 2 fits smoothly to the curved surface of the dentition, so that the patient may feel vomiting. X-ray imaging can be performed in a stable state without blurring.
【００１５】また、図３は本発明の第２実施例の歯科用
Ｘ線画像検出器の断面構造を示すもので、２ｂはセンサ
ーケース２のＸ線照射側に対する背面で、内包するＸ線
検出素子１の背面に対して傾斜を有する形状となってい
る。この形状により、図４に示すように、口腔内に歯科
用Ｘ線画像検出器を固定する際、これを押させる指先に
無理なく力を入れることができるようになるので、歯列
に密着させてしっかり固定することができ、鮮明なＸ線
画像を撮影できるようになるものである。FIG. 3 shows a sectional structure of a dental X-ray image detector according to a second embodiment of the present invention. Reference numeral 2b denotes a back surface of the sensor case 2 with respect to the X-ray irradiation side. The shape is inclined with respect to the back surface of the element 1. With this shape, as shown in FIG. 4, when fixing the dental X-ray image detector in the oral cavity, it is possible to apply force to the fingertip for pushing the dental X-ray image detector. This makes it possible to firmly fix the camera and obtain a clear X-ray image.
【００１６】[0016]
【発明の効果】以上の説明から明らかなように本発明の
歯科用Ｘ線画像検出器は、センサーケースの歯列への当
接面を歯列の湾曲に沿った凸状の曲面としてあるので、
センサーケースのコーナー部が歯列の内側に突き当たっ
て患者に嘔吐感を生じさせることもなく、検出器を口腔
内に安定して固定することができ、Ｘ線撮影時の画像の
ぶれを防止することができる。As is apparent from the above description, in the dental X-ray image detector of the present invention, the contact surface of the sensor case with the dentition is a convex curved surface along the curvature of the dentition. ,
The sensor case can be stably fixed in the oral cavity without causing the patient to feel vomiting when the corner of the sensor case strikes the inside of the dentition, preventing image blurring during X-ray photography. be able to.
【００１７】また、センサーケース背面に傾斜を設けた
ので、口腔内に検出器を指で固定するとき、指先に力が
入りやすく検出器を歯列にしっかり密着させることがで
きるので、鮮明なＸ線画像を撮影することができる。In addition, since the sensor case is inclined at the back surface, when the detector is fixed in the oral cavity with a finger, force is easily applied to the fingertip and the detector can be firmly attached to the dentition. Line images can be taken.
【図１】本発明の第１実施例に係る歯科用Ｘ線画像検出
器の側断面図FIG. 1 is a side sectional view of a dental X-ray image detector according to a first embodiment of the present invention.
【図２】同第１実施例の使用状態説明図FIG. 2 is an explanatory view of a use state of the first embodiment.
【図３】本発明の第２実施例に係る歯科用Ｘ線画像検出
器の側断面図FIG. 3 is a side sectional view of a dental X-ray image detector according to a second embodiment of the present invention.
【図４】同第２実施例の使用状態説明図FIG. 4 is an explanatory view of a use state of the second embodiment.
【図５】従来の歯科用Ｘ線画像検出器の一例を示す斜視
図FIG. 5 is a perspective view showing an example of a conventional dental X-ray image detector.
１ Ｘ線検出素子 ２ センサーケース ３ センサーケーブル 1 X-ray detector 2 Sensor case 3 Sensor cable
フロントページの続き (56)参考文献 特開 平５−130990（ＪＰ，Ａ) 特開 平１−276597（ＪＰ，Ａ) 特開 平１−276049（ＪＰ，Ａ) 特開 平１−238835（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) A61B 6/00 - 6/14 Continuation of front page (56) References JP-A-5-130990 (JP, A) JP-A-1-276597 (JP, A) JP-A 1-276049 (JP, A) JP-A-1-238835 (JP) , A) (58) Field surveyed (Int. Cl. 6 , DB name) A61B 6/ 00-6/14
Claims (2)
状のＸ線検出素子と、このＸ線検出素子を内包するセン
サーケースと、前記Ｘ線検出素子の入出力信号線をセン
サーケース外へ引き出すセンサーケーブルとを備え、前
記センサーケースの歯列当接面を、センサーケース外方
へ凸状の曲面で構成した歯科用Ｘ線画像検出器。1. A substantially plate-shaped X-ray detection element for detecting an X-ray irradiation image of a tooth or the like, a sensor case including the X-ray detection element, and an input / output signal line of the X-ray detection element being connected to a sensor case. A dental X-ray image detector, comprising: a sensor cable that extends to the outside;
状のＸ線検出素子と、このＸ線検出素子を内包するセン
サーケースと、前記Ｘ線検出素子の入出力信号線をセン
サーケース外へ引き出すセンサーケーブルとを備え、前
記センサーケースのＸ線照射側に対する背面が、内包す
る板状のＸ線検出素子の背面に対し傾斜を有するように
構成した歯科用Ｘ線画像検出器。2. A substantially plate-shaped X-ray detection element for detecting an X-ray irradiation image of a tooth or the like, a sensor case including the X-ray detection element, and an input / output signal line of the X-ray detection element connected to a sensor case. A dental X-ray image detector, comprising: a sensor cable extending to the outside; and a rear surface of the sensor case with respect to the X-ray irradiation side being inclined with respect to a rear surface of a plate-shaped X-ray detecting element included therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7085278A JP2976840B2 (en) | 1995-04-11 | 1995-04-11 | Dental X-ray image detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7085278A JP2976840B2 (en) | 1995-04-11 | 1995-04-11 | Dental X-ray image detector |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11170503A Division JP2000023973A (en) | 1999-06-17 | 1999-06-17 | Dental x-ray image detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08280669A JPH08280669A (en) | 1996-10-29 |
| JP2976840B2 true JP2976840B2 (en) | 1999-11-10 |
Family
ID=13854104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7085278A Expired - Lifetime JP2976840B2 (en) | 1995-04-11 | 1995-04-11 | Dental X-ray image detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2976840B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10277028A (en) * | 1997-04-08 | 1998-10-20 | Morita Mfg Co Ltd | Dental x-ray image detector and adapter therefor |
| JP3836208B2 (en) * | 1997-04-09 | 2006-10-25 | 浜松ホトニクス株式会社 | Small medical X-ray image detection device |
| KR200358845Y1 (en) * | 2004-05-04 | 2004-08-12 | 김대연 | Intraoral fluoroscope for dental treatment which having optical fiber rod |
| US7563026B2 (en) * | 2005-09-08 | 2009-07-21 | Schick Technologies, Inc. | Flexible intra-oral x-ray imaging device |
| US9295436B2 (en) * | 2013-06-06 | 2016-03-29 | Hamamatsu Photonics K.K. | Method for manufacturing intraoral sensor |
-
1995
- 1995-04-11 JP JP7085278A patent/JP2976840B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08280669A (en) | 1996-10-29 |
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