JPH08280669A - X-ray image detector for dentistry - Google Patents
X-ray image detector for dentistryInfo
- Publication number
- JPH08280669A JPH08280669A JP7085278A JP8527895A JPH08280669A JP H08280669 A JPH08280669 A JP H08280669A JP 7085278 A JP7085278 A JP 7085278A JP 8527895 A JP8527895 A JP 8527895A JP H08280669 A JPH08280669 A JP H08280669A
- Authority
- JP
- Japan
- Prior art keywords
- ray
- sensor case
- detection element
- sensor
- dental
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 210000000214 mouth Anatomy 0.000 abstract description 12
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 210000004513 dentition Anatomy 0.000 description 14
- 230000036346 tooth eruption Effects 0.000 description 14
- 238000003384 imaging method Methods 0.000 description 9
- 206010047700 Vomiting Diseases 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000008673 vomiting Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】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。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental X-ray image detector used in X-ray photography performed in a dental clinic or 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7あるいは図8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5−13090号公報)
図7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
13a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、これに対し、図8はセンサー
ケーブル13bがセンサーケース12の背面からX線照
射方向に対して平行に引き出されるタイプのものであ
る。そして、いづれのものも検出器全面に位置する歯牙
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13aあるいは13bを介
して取り出す構造となっている。2. Description of the Related Art Conventionally, as a dental X-ray image detector of this kind, one having a structure shown in FIG. 7 or 8 is known. (For example, Japanese Patent Laid-Open No. 5-13090)
7 is of a type in which the sensor cable 13a is pulled out in the direction perpendicular to the X-ray irradiation direction indicated by the arrow from the longitudinal end face of the sensor case 12 containing the X-ray detection element 11 shown by the dotted line. On the other hand, FIG. 8 shows a type in which the sensor cable 13b is pulled out from the back surface of the sensor case 12 in parallel with the X-ray irradiation direction. The X-ray irradiation image of each tooth located on the entire surface of the detector is detected as an image by the X-ray detection element, and an electric signal is taken out through the sensor cable 13a or 13b.
【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、センサーケーブルがX
線照射方向に対して垂直に横方向へ引き出されたりある
いは検出器背面に引き出されているため、X線撮影時に
検出器を歯列に当接させると、図9に示すようにセンサ
ーケーブルが横方向に引き出されるときは歯列に直接突
き当たることになり、また背面方向に引き出されるとき
は喉の奥へ突き出されて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 above-mentioned conventional dental X-ray image detector, the sensor cable is X-shaped.
Since it is pulled out in the lateral direction perpendicular to the radiation direction or on the back of the detector, if the detector is brought into contact with the dentition during X-ray photography, the sensor cable will move horizontally as shown in Fig. 9. When it is pulled out in the direction, it will directly hit the dentition, and when it is pulled out in the back direction, it will be pushed out into the back of the throat, which easily induces a vomiting feeling in the patient. It was an obstacle to shooting.
【0004】また、センサーケースが単純な直方体形状
で、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。Further, since the sensor case has a simple rectangular parallelepiped shape and the X-ray irradiation surface is also a flat surface, the detector should be fixed in a stable state when abutting against a curved row of teeth for photographing. However, there is a problem that the captured image is easily blurred.
【0005】本発明は上記問題を解決するもので、X線
撮影を行うときセンサーケーブルが邪魔にならず、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
提供し、さらに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
とすることを目的としたものである。The present invention solves the above problems by providing a dental X-ray image detector in which the sensor cable does not get in the way when X-ray imaging is performed, the burden on the patient is small, and the imaging is easy. When fixing the detector by abutting against the dentition,
The purpose is to stabilize the detector and to make it easy to hold with a finger.
【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、X線検出素子の入出力信号を
引き出すセンサーケーブルを、センサーケースの長手方
向端部コーナーからX線照射方向に対し斜め後方へ引き
出す構成としたものである。In order to achieve this object, a first means of the present invention is to use a sensor cable for extracting an input / output signal of an X-ray detecting element from an X-ray corner from a longitudinal end corner of a sensor case. It is configured to be pulled out obliquely rearward with respect to the irradiation direction.
【0007】また、本発明の第2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。Further, the second means of the present invention is that the tooth row contact surface of the sensor case is constituted by a curved surface convex toward the outside of the sensor case.
【0008】さらに、本発明の第3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。Further, according to a third aspect of the present invention, the back surface of the sensor case with respect to the X-ray irradiation side has a plate-like X-shape which is included therein.
The configuration is such that it has an inclination with respect to the back surface of the line detection element.
【0009】また、本発明の第4の手段は、センサーケ
ースを弾力性を有する樹脂材料で構成したものである。A fourth means of the present invention is that the sensor case is made of a resin material having elasticity.
【0010】[0010]
【作用】上記第1の手段により、X線撮影のため検出器
を歯列に当接させたとき、センサーケーブルが撮影の妨
げとならず、患者に対しても不快感を与えることがなく
なる。With the above-mentioned first means, when the detector is brought into contact with the dentition for X-ray imaging, the sensor cable does not hinder the imaging, and the patient does not feel uncomfortable.
【0011】また、上記第2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。Further, by the second means, when the detector is fixed in the oral cavity, the surface of the sensor case can easily follow the inside of the dentition where the surface is curved, and the detector can be fixed stably. It is possible to prevent image blurring during X-ray photography.
【0012】さらに、上記第3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。Further, by the third means, the detector can be firmly brought into close contact with the oral cavity by using the finger, and clear X-ray photography can be performed.
【0013】そして、上記第4の手段により、検出器を
より安定して固定できるようになり、患者に対しても口
腔内の異物感を低減することができ、より不快感の少な
いX線撮影を可能にするものである。By the fourth means, the detector can be more stably fixed, the foreign body sensation in the oral cavity can be reduced even for the patient, and the X-ray imaging with less discomfort can be achieved. Is what makes it possible.
【0014】[0014]
【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。Embodiments of the dental X-ray image detector of the present invention will be described below with reference to the drawings.
【0015】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、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, which is a sensor unit 1a composed of a CCD or the like, a base unit 1b for fixing the sensor unit 1a, and X. Shield plate 1 for blocking ambient light other than lines
It is composed of c. Reference numeral 2 is a sensor case containing the X-ray detection element 1, and reference numeral 3 is a sensor cable for extracting an input / output signal of the X-ray detection element 1 to the outside of the sensor case 2.
【0016】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。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線は歯例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
トローラー(図示せず)に導かれる。Next, the operation of this dental X-ray image detector will be described with reference to FIG. 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 the X-rays emitted from the direction shown by the arrow in the drawing are shown. After passing through the tooth example and the sensor case 2, the X-ray irradiation image of the tooth is detected as an electric signal by the X-ray detection element 1. The image signal detected by the X-ray detection element 1 is guided by the sensor cable 3 to an extraoral controller (not shown).
【0017】そしてこのとき、センサーケーブル3は、
センサーケース2の長手方向端部コーナーからX線照射
方向に対し斜め後方へ歯列の湾曲に沿ってスムーズに引
き出すことができるので患者に不快感をもよおさせるこ
となく、また撮影の妨げにもならないものである。At this time, the sensor cable 3 is
The sensor case 2 can be smoothly pulled out obliquely rearward with respect to the X-ray irradiation direction along the curve of the dentition from the end corners of the sensor case 2 without causing discomfort to the patient and obstructing the imaging. It does not happen.
【0018】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、2aは凸状の曲
面で構成したセンサーケース2の歯列への当接面で、図
4にその使用例を示すように、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し、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。FIG. 3 is a dental X of the second embodiment of the present invention.
2A shows a cross-sectional structure of a line image detector. Reference numeral 2a denotes a contact surface of a sensor case 2 formed of a convex curved surface with respect to a tooth row. As shown in a usage example of FIG. When the X-ray image detector is fixed with a finger, the convex curved surface 2a of the sensor case 2 fits smoothly to the curved surface of the dentition, and stable X-ray imaging can be performed.
【0019】そして、図5は本発明の第3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6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、これを押さえる指先
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. 5 shows a cross-sectional structure of a dental X-ray image detector according to the third embodiment of the present invention. 2b is a back surface of the sensor case 2 with respect to the X-ray irradiation side, and contains X.
The line detection element 1 has a shape inclined with respect to the back surface thereof. With this shape, as shown in FIG. 6, when the dental X-ray image detector is fixed in the oral cavity, it is possible to comfortably apply force to the fingertip pressing it, so that it can be closely attached to the dentition. A clear X that can be firmly fixed
This makes it possible to take a line image.
【0020】また、本発明の第4実施例(図示せず)
は、各種形状のセンサーケース2を弾力性を有する合成
樹脂材料で構成することで、口腔内に歯科用X線画像検
出器を指先で押さえて固定したとき、口腔内壁面に弾力
性を持って柔らかく当接するようになり、患者に与える
異物感を大幅に低減できる。A fourth embodiment of the present invention (not shown)
The various shapes of the sensor case 2 are made of a synthetic resin material having elasticity so that when the dental X-ray image detector is fixed in the oral cavity with a fingertip, it has elasticity on the inner wall surface of the oral cavity. The soft contact makes it possible to significantly reduce the feeling of foreign matter given to the patient.
【0021】[0021]
【発明の効果】以上の説明から明らかなように本発明の
は歯科用X線画像検出器は、センサーケーブルをX線照
射方向に対して斜め後方へ引き出す形状となっており、
X線撮影時にセンサーケーブルが歯列を突き当たること
なく、またのどの奥に突き出して患者の嘔吐感を誘発す
ることもなく、歯列の湾曲に沿ってスムーズに口腔外へ
引き出すことができるので、患者に不快感を与えること
なく、快適にX線撮影を行うことができる。As is apparent from the above description, the dental X-ray image detector of the present invention has a shape in which the sensor cable is pulled out obliquely rearward with respect to the X-ray irradiation direction,
Since the sensor cable does not hit the dentition at the time of X-ray photography, and it does not protrude into the back of the throat and induces the vomiting feeling of the patient, it can be pulled out smoothly out of the oral cavity along the curvature of the dentition. X-ray imaging can be performed comfortably without giving discomfort to the patient.
【0022】そして、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、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。Further, since the contact surface of the sensor case to the dentition is a convex curved surface along the curvature of the dentition, the detector can be stably fixed in the oral cavity, and at the time of X-ray photography. It is possible to prevent blurring of the image.
【0023】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。Further, since the sensor case is provided with an inclination on 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, so that a clear X Line images can be taken.
【0024】さらに、センサーケースを弾力性のある合
成樹脂材料で構成したので、口腔内の異物感を大幅に低
減でき、患者にとって不快感の少ない快適なX線撮影を
行うことができる。Further, since the sensor case is made of the elastic synthetic resin material, the foreign body sensation in the oral cavity can be significantly reduced, and comfortable X-ray imaging with less discomfort to the patient can be performed.
【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 usage state of the first embodiment.
【図3】本発明の第2実施例の係る歯科用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 usage state of the second embodiment.
【図5】本発明の第3実施例に係る歯科用X線画像検出
器の側断面図FIG. 5 is a side sectional view of a dental X-ray image detector according to a third embodiment of the present invention.
【図6】同第3実施例の使用状態説明図FIG. 6 is an explanatory view of a usage state of the third embodiment.
【図7】従来の歯科用X線画像検出器の一例を示す斜視
図FIG. 7 is a perspective view showing an example of a conventional dental X-ray image detector.
【図8】従来の歯科用X線画像検出器の他の例を示す斜
視図FIG. 8 is a perspective view showing another example of a conventional dental X-ray image detector.
【図9】従来の歯科用X線画像検出器の使用例を示す斜
視図FIG. 9 is a perspective view showing an example of use 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 detection element 2 Sensor case 3 Sensor cable
Claims (4)
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線検出素子の入力信号をセンサー
ケース外へ引き出すセンサーケーブルとを備え、前記セ
ンサーケーブルが、センサーケースの長手方向端部コー
ナーからX線照射方向に対し斜め後方へ引き出されるよ
うにした歯科用X線画像検出器。1. A substantially plate-shaped X-ray detecting element for detecting an X-ray irradiation image of a tooth, a sensor case including the X-ray detecting element, and an input signal of the X-ray detecting element to the outside of the sensor case. A dental X-ray image detector, comprising: a sensor cable to be pulled out, wherein the sensor cable is pulled out obliquely rearward with respect to the X-ray irradiation direction from a corner in the longitudinal direction of the sensor case.
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。2. A substantially plate-shaped X-ray detection element for detecting an X-ray irradiation image of a tooth, a sensor case containing the X-ray detection element, and an input / output signal line of the X-ray detection element as a sensor case. A dental X-ray image detector comprising a sensor cable that is pulled out to the outside, and the tooth row contact surface of the sensor case is configured by a curved surface that is convex outward of the sensor case.
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。3. A substantially plate-shaped X-ray detection element for detecting an X-ray irradiation image of a tooth, a sensor case including the X-ray detection element, and an input / output signal line of the X-ray detection element as a sensor case. A dental X-ray image detector comprising a sensor cable that is pulled out to the outside, and a back surface of the sensor case with respect to the X-ray irradiation side is inclined with respect to a back surface of a plate-shaped X-ray detection element included therein.
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
記センサーケースが弾力性を有する合成樹脂材料からな
る歯科用X線画像検出器。4. A substantially plate-shaped X-ray detection element for detecting an X-ray irradiation image of a tooth, a sensor case including the X-ray detection element, and an input / output signal line of the X-ray detection element as a sensor case. A dental X-ray image detector comprising a sensor cable to be pulled out and the sensor case being made of a synthetic resin material having elasticity.
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 true JPH08280669A (en) | 1996-10-29 |
JP2976840B2 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) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10282243A (en) * | 1997-04-09 | 1998-10-23 | Hamamatsu Photonics Kk | Medical small x-ray image detecting device |
US6030119A (en) * | 1997-04-08 | 2000-02-29 | J. Morita Manufacturing Corporation | Dental X-ray image detecting apparatus and adaptor for same |
WO2005110234A1 (en) * | 2004-05-04 | 2005-11-24 | Dae Yeun Kim | Intra-oral fluoroscoping device having optical fiber rod for dental treatment |
EP1982566A2 (en) * | 2005-09-08 | 2008-10-22 | Schick Technologies, Inc. | Flexible intra-oral x-ray imaging device |
US20140360012A1 (en) * | 2013-06-06 | 2014-12-11 | Hamamatsu Photonics K.K. | Method for manufacturing intraoral sensor |
-
1995
- 1995-04-11 JP JP7085278A patent/JP2976840B2/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6030119A (en) * | 1997-04-08 | 2000-02-29 | J. Morita Manufacturing Corporation | Dental X-ray image detecting apparatus and adaptor for same |
JPH10282243A (en) * | 1997-04-09 | 1998-10-23 | Hamamatsu Photonics Kk | Medical small x-ray image detecting device |
WO2005110234A1 (en) * | 2004-05-04 | 2005-11-24 | Dae Yeun Kim | Intra-oral fluoroscoping device having optical fiber rod for dental treatment |
EP1982566A2 (en) * | 2005-09-08 | 2008-10-22 | Schick Technologies, Inc. | Flexible intra-oral x-ray imaging device |
EP1982566A4 (en) * | 2005-09-08 | 2009-02-25 | Schick Technologies Inc | Flexible intra-oral x-ray imaging device |
US20140360012A1 (en) * | 2013-06-06 | 2014-12-11 | Hamamatsu Photonics K.K. | Method for manufacturing intraoral sensor |
US9295436B2 (en) * | 2013-06-06 | 2016-03-29 | Hamamatsu Photonics K.K. | Method for manufacturing intraoral sensor |
Also Published As
Publication number | Publication date |
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JP2976840B2 (en) | 1999-11-10 |
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