JPS6099906U - Dental X-ray full jaw and head standard imaging equipment - Google Patents
Dental X-ray full jaw and head standard imaging equipmentInfo
- Publication number
- JPS6099906U JPS6099906U JP19186683U JP19186683U JPS6099906U JP S6099906 U JPS6099906 U JP S6099906U JP 19186683 U JP19186683 U JP 19186683U JP 19186683 U JP19186683 U JP 19186683U JP S6099906 U JPS6099906 U JP S6099906U
- Authority
- JP
- Japan
- Prior art keywords
- horizontal arm
- ray
- dental
- rotation
- jaw
- 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
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の実施例装置の撮影部の構成を示す外
観斜視図、第２図は上記装置の頭部規格撮影時の状態を
説明する上方から見た平面図、第 ２３図は撮影部水
平アーム回動機構の構成を示す斜視図、第４図は上記回
動機構の作動を説明するため平面図、第５図Ａは水平ア
ーム回動手段の検出機構遮光板の取付状態を示す側面図
、図Ｂは規格撮影照準手段の遮光板の側面図、第６図は
規格撮影切換時のシーケンス制御のフローチャート、第
７図は水平アーム固定機構ならびにカセツテ支持体回動
機構の構成を示す水平アーム内部一部断面図である。
３・・・水平アーム懸吊支持架台、４・・・水平アーム
懸吊回動軸、５・・・水平アーム、６・・・Ｘ線源、７
・・・平板状フィルムカセツテ、８・・・カセツテ支持
体、１３・・・規格撮影頭部固定台の支持アーム、１８
・・・フィルムカセツテ、ＸＣ・・・Ｘ線放射中心軸、
ｘｓ・・・規格撮影照準基準軸、２３・・・回動機構の
平行案内軸、２５・・・回動機構の筒状ナツト、２６・
・・回動機構のねじ、軸、２８・・・回動機構前後移動
用可逆モータ、α°・・・水平アーム回動軸公転の所定
範囲角度、３２・・・大径摩擦輪、３３・・・上記３２
と同軸の公転駆動歯車、４４・・・水平アーム位相検出
用光結合素子、４５・・・上記４４の遮光板、４７・・
・回動速度逓減手段、４９・・・規格撮影照準手段、５
ｏ・・・上記４９の微小中遮光板、５１・・・上記４９
の光結合素子、６８・・・水平アーム固定手段、６９・
・・カセツテ支持体回動手段、７０・・・水平アーム固
定および ７力セツテ支紳体回動手段共用の可増
モータ、７１・・・上記６８のねじ軸、７３・・・上記
６８の角ナツト、７６・・・リンク機構、８ｏ・・−・
係止部材（嵌挿軸）、８３・・・架台３の嵌合部、８７
，８８・・・軸受、８９・・・垂直軸、９ｏ・・・ウオ
ーム歯車、９１・・・ウオーム。Fig. 1 is an external perspective view showing the configuration of the imaging section of the device according to the embodiment of the present invention, Fig. 2 is a plan view from above illustrating the state of the above device during normal head imaging, and Fig. 23 is the imaging section. Fig. 4 is a plan view for explaining the operation of the above-mentioned rotating mechanism, and Fig. 5A shows the mounting state of the detection mechanism light-shielding plate of the horizontal arm rotating means. Side view, Figure B is a side view of the light shielding plate of the standard photography aiming means, Figure 6 is a flowchart of sequence control when switching to standard photography, and Figure 7 shows the configuration of the horizontal arm fixing mechanism and the cassette support rotation mechanism. FIG. 3 is a partial cross-sectional view of the inside of the horizontal arm. 3...Horizontal arm suspension support frame, 4...Horizontal arm suspension rotation axis, 5...Horizontal arm, 6...X-ray source, 7
. . . Flat film cassette, 8 . . . Cassette support body, 13 .
...Film cassette, XC...X-ray radiation central axis,
xs...Standard photographic aiming reference axis, 23...Parallel guide shaft of rotation mechanism, 25...Cylindrical nut of rotation mechanism, 26.
・Screw and shaft of rotation mechanism, 28 ・Reversible motor for moving the rotation mechanism back and forth, α° ・Predetermined range angle of revolution of horizontal arm rotation axis, 32 ・ Large diameter friction ring, 33 ・...32 above
revolving drive gear coaxial with 44... optical coupling element for horizontal arm phase detection, 45... light shielding plate of 44 above, 47...
・Rotation speed reduction means, 49...Standard photographic aiming means, 5
o... Micro-medium light shielding plate of 49 above, 51... 49 above
optical coupling element, 68...horizontal arm fixing means, 69...
...Cassette support rotating means, 70...Adjustable motor for horizontal arm fixation and 7-force setting support body rotation means, 71...screw shaft of 68 above, 73...corner of 68 above Nut, 76... Link mechanism, 8o...
Locking member (fitting shaft), 83...fitting part of pedestal 3, 87
, 88... Bearing, 89... Vertical shaft, 9o... Worm gear, 91... Worm.
Claims (1)
カセツテ７とを対向配置した水平アーム５を、それぞれ
懸吊支持する架台３内の回動機構１９によって回動せし
め、かつその回動の逆方向の切線に沿って前記フィルム
カセツテを移動して全顎のパノラマ撮影するとともに長
尺の支持アーム１３を介して設けた隔たる位置のフィル
ムカセツテ１８に切換え的に頭部の規格撮影をするよう
にした装置において、つぎの各構成要件を備えたことを
特徴とする歯科用Ｘ線全顎ならびに頭部規格撮影装置。 （ア）前記回動機構の架台長手方向の前後位置を検出す
る前後位置検出手段ならびにこの手段の出力信号によっ
て可逆モータ２８を駆動し、回動機構を前後移動せしめ
、あらかじめ定めた規格撮影基準位置に設定する回動機
構位置設定手段。 （イ）前記手段にて設定した回動機構が懸吊軸支する水
平アームのＸ線放射方向を検出する水平アーム位相検出
手段ならびにこの手段の出力信号によって回動機構を駆
動し、水平アームを時計または反時計方向に回動せしめ
る水平アーム回動手段。 （つ）前記手段にて回動する水平アームのＸ線放射中心
部Ｃがあらかじめ定めた照準基準軸Ｘｓに一致したとき
これを検知し、水平アームの回動を停止せしめＸ線放射
中心軸を規格撮影位置に位置決めする規格撮影照準手段
４９゜ （１）前記手段の出力信号によって可逆モータを駆動し
、水平アームと前記架台との間に係止部材８０を嵌挿し
、水平アームの照準位置を固定する水平アーム−足手段
６８゜ （オ）前記照準検知信号によって可逆モータを駆動し、
前記平板状フィルムカセツテの支持体８をその上部一端
を回転中心として回動し、Ｘ線放射錐領域外に待避せし
めるカセツテ支持体回動手段６９゜ 企 回動機構位置設定手段の前後移動機構が、回動機構
を架台長手方向に摺動自在に支承する１対の平行案内軸
２３．２３’と、架台に固定した可逆モータ２８と、こ
のモータによって回転するねじ軸２６と、これと螺合し
、回動機構基板２４に固定した筒状ナツト２５とからな
る実用新案登録請求の範囲第１項記載の歯科用Ｘ線全顎
ならびに頭部規格撮影装置。 ３ 水平アーム位相検出手段が回動機構における水平ア
ーム懸吊回動軸４の公転移動に追随して移動し、かつそ
の公転の所定範囲角度α°を遮光するに足る幅を有する
遮光板４５と、この遮光板によって作動する光結合素子
４４とからなる実用新案登録請求の範囲第１項または第
２項記載の歯科用Ｘ線全顎ならびに頭部規格撮影装置。 ４ 水平アーム回動手段がその停止位置付近の所定範囲
、回動速度を逓減する手段４７を付加してなる実用新案
登録請求の範囲第１項ないし第３項いずれか記載の歯科
用Ｘ線全顎ならびに頭部規格撮影装置。 ゛ ５ 規格撮影照準手段４９が回動機構における公
転駆動歯車３３と同軸の大径摩擦輪３２または大径平歯
車の外周部に設けた微小幅Ｓの遮光板５０と、この遮光
板によって作動する光結合素子５１とからなる実用新案
登録請求の範囲第１項ないし、第４項いずれかに記載の
歯科用Ｘ線全顎ならびに頭部規格撮影装置。 。 ６ 水平アーム固定手段６８が水平アームのフィルムカ
セツテ懸吊側に設けた可逆モータと、このモータによっ
て回転するねじ軸７１と、これと螺合して所定距離医往
復動ず筒状ナツト７３と、この筒状ナツトの往復動を上
下動に変換するリンク機構７６と、これと係合し水平ア
ーム上部から垂直方向に昇降する嵌挿軸８０と、架台に
設け、前記嵌挿軸が上昇時はまり合う嵌合部８３とから
なる実用新案登録請求の範囲第１項ないし第５項いずれ
かに記載の歯科用Ｘ線全顎ならびに頭部規格撮影装置。 ７ カセツテ支持体回動手段６９が水平アームのフィル
ムカセツテ懸吊側に設けた可逆モータと、このモータに
よって回転するウオーム９１と、カセツテ支持体８の上
部一端に構設され、かつ水平アーム側の軸受８７，８８
を介して回転自在の垂直軸８９と、この垂直軸に設けた
ウオーム歯車９０とからなる実用新案登録請求の範囲第
１項ないし１、第６項いずれかに記載の歯科用Ｘ線全顎
ならびに頭部規格撮影装置。 ８ 水平アーム固定手段６８とカセツテ支持体回動手段
６９との可逆モータ７０を共用にしてなる実用新案登録
請求の範囲第１項ないし第７項いずれかに記載の歯科用
Ｘ線全顎ならびに頭部規格撮影装置。[Scope of Claim for Utility Model Registration] 1. A circuit in a frame 3 that suspends and supports a horizontal arm 5 in which an X-ray source 6 and a flat film cassette 7 are disposed facing each other with the subject's head sandwiched between them. The film cassette is rotated by a moving mechanism 19 and moved along a cutting line in the opposite direction of the rotation to take a panoramic photograph of the entire jaw, and at the same time, the film cassette is rotated by a long support arm 13 at distant positions. A dental X-ray full-jaw and head standard photographing device, which is configured to selectively take standard photographs of the head using a film cassette 18, and is characterized by having the following configuration requirements. (a) A longitudinal position detection means for detecting the longitudinal position of the rotating mechanism in the longitudinal direction of the gantry, and an output signal from this means drives the reversible motor 28 to move the rotating mechanism back and forth to a predetermined standard photographing reference position. means for setting the rotation mechanism position. (a) Horizontal arm phase detection means for detecting the X-ray emission direction of the horizontal arm that is suspended and supported by the rotation mechanism set by the above means, and the rotation mechanism is driven by the output signal of this means, and the horizontal arm is Horizontal arm rotation means for rotating clockwise or counterclockwise. (1) When the X-ray emission center C of the rotating horizontal arm coincides with the predetermined aiming reference axis Xs, it is detected by the means, and the rotation of the horizontal arm is stopped and the X-ray emission center axis is adjusted. Standard photographic aiming means 49° for positioning at a standard photographing position (1) A reversible motor is driven by the output signal of the means, a locking member 80 is inserted between the horizontal arm and the mount, and the aiming position of the horizontal arm is set. Horizontal arm-leg means to be fixed 68° (e) Drive a reversible motor by the aiming detection signal,
A cassette support rotating means 69° for rotating the support 8 of the flat film cassette about its upper end as a center of rotation and retracting it outside the X-ray radiation cone area; and a back-and-forth moving mechanism of the rotation mechanism position setting means. However, a pair of parallel guide shafts 23, 23' that slidably support the rotation mechanism in the longitudinal direction of the pedestal, a reversible motor 28 fixed to the pedestal, a screw shaft 26 rotated by this motor, and a screw A dental X-ray full-jaw and head standard photographing device according to claim 1, which comprises a cylindrical nut 25 fixed to a rotating mechanism base plate 24. 3. A light-shielding plate 45, in which the horizontal arm phase detection means moves following the revolution of the horizontal arm suspension rotation shaft 4 in the rotation mechanism, and has a width sufficient to block light within a predetermined range angle α° of the revolution; , and an optical coupling element 44 operated by the light-shielding plate.The dental X-ray full jaw and head standard photographing apparatus according to claim 1 or 2, which is a utility model. 4. A complete dental X-ray system according to any one of claims 1 to 3, wherein the horizontal arm rotating means is provided with a means 47 for gradually reducing the rotation speed within a predetermined range near its stop position. Jaw and head standard photography equipment.゛5 The standard photography aiming means 49 is operated by a light shielding plate 50 with a minute width S provided on the outer periphery of the large diameter friction ring 32 or the large diameter spur gear coaxial with the revolution drive gear 33 in the rotation mechanism, and this light shielding plate. A dental X-ray full jaw and head standard imaging device according to any one of claims 1 to 4, which is comprised of an optical coupling element 51. . 6. The horizontal arm fixing means 68 connects a reversible motor provided on the film cassette suspension side of the horizontal arm, a screw shaft 71 rotated by this motor, and a cylindrical nut 73 that is screwed into the screw shaft and does not move back and forth for a predetermined distance. , a link mechanism 76 that converts the reciprocating motion of the cylindrical nut into vertical motion, a fitting shaft 80 that engages with the link mechanism and moves up and down in the vertical direction from the upper part of the horizontal arm, and a link mechanism 76 that is provided on the frame, and when the fitting shaft is raised. A dental X-ray full-jaw and head standard imaging device according to any one of claims 1 to 5, which is comprised of a fitting portion 83 that fits together. 7 The cassette support rotating means 69 includes a reversible motor provided on the side of the horizontal arm on which the film cassette is suspended, a worm 91 rotated by this motor, and a worm 91 provided on one end of the upper part of the cassette support 8 and on the horizontal arm side. bearings 87, 88
A dental X-ray full jaw according to any one of claims 1 to 1 and 6, which comprises a vertical shaft 89 rotatable through the vertical shaft and a worm gear 90 provided on the vertical shaft; Head standard imaging device. 8. Dental X-ray full jaw and head according to any one of claims 1 to 7 of the utility model registration claim, in which the horizontal arm fixing means 68 and the cassette support rotating means 69 share the reversible motor 70. Department standard photography equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19186683U JPS6099906U (en) | 1983-12-13 | 1983-12-13 | Dental X-ray full jaw and head standard imaging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19186683U JPS6099906U (en) | 1983-12-13 | 1983-12-13 | Dental X-ray full jaw and head standard imaging equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6099906U true JPS6099906U (en) | 1985-07-08 |
| JPH0244732Y2 JPH0244732Y2 (en) | 1990-11-28 |
Family
ID=30413064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19186683U Granted JPS6099906U (en) | 1983-12-13 | 1983-12-13 | Dental X-ray full jaw and head standard imaging equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6099906U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6379042B1 (en) * | 2000-05-19 | 2002-04-30 | Ge Medical Systems Global Technology Company, Llc | Variable self-compensating detent control system for improved positioning accuracy and repeatability |
-
1983
- 1983-12-13 JP JP19186683U patent/JPS6099906U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0244732Y2 (en) | 1990-11-28 |
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