JP2800809B2 - Filter attachment for X-ray irradiation equipment - Google Patents
Filter attachment for X-ray irradiation equipmentInfo
- Publication number
- JP2800809B2 JP2800809B2 JP8308971A JP30897196A JP2800809B2 JP 2800809 B2 JP2800809 B2 JP 2800809B2 JP 8308971 A JP8308971 A JP 8308971A JP 30897196 A JP30897196 A JP 30897196A JP 2800809 B2 JP2800809 B2 JP 2800809B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- ray
- ray irradiation
- support cylinder
- irradiation
- 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 - Fee Related
Links
- 230000001678 irradiating effect Effects 0.000 description 24
- 230000000694 effects Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、Ｘ線撮影に用いら
れるフィルター取付具に関するものであり、特に歯科医
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線照射装置用のフィルター取付具
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter fitting used for X-ray photography, and more particularly to a dental X-ray irradiator used in X-ray photography performed in a dental clinic or a dental clinic. To filter fittings for
【０００２】[0002]
【従来の技術】従来、この種の歯科Ｘ線照射装置用のフ
ィルター、特にＸ線減衰フィルターとしては、蛍光体板
あるいはアルミ板などが使われており、これを取り付け
る方法としては、Ｘ線照射装置の本体と筒状の照射口と
を分解し、その間にＸ線減衰フィルターを挟み込んで固
定する方法が知られている。2. Description of the Related Art Conventionally, a fluorescent plate or an aluminum plate has been used as a filter for a dental X-ray irradiating apparatus of this kind, particularly, an X-ray attenuating filter. There is known a method of disassembling a main body of a device and a cylindrical irradiation port, and sandwiching and fixing an X-ray attenuation filter therebetween.
【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Ｘ線照射装置用のＸ線減衰フィルター取り付け方法で
は、フィルターの取り付け／取り外しのたびにＸ線照射
装置を分解する必要があるため、相当の手間と時間を必
要としていた。However, in the above-mentioned conventional method for mounting an X-ray attenuation filter for a dental X-ray irradiator, it is necessary to disassemble the X-ray irradiator each time the filter is mounted / removed. It took time and effort.
【０００４】一般的にＸ線減衰フィルターは、小児のＸ
線撮影など通常に較べＸ線照射量を大幅に減らして照射
したいときなど特殊な照射条件の場合に使用され、Ｘ線
照射装置に常時取り付けておくことができないものであ
るため、その取り付け／取り外し作業は歯科医院におけ
る診療効率を大幅に低下させるものであった。[0004] Generally, an X-ray attenuation filter is used for pediatric X-rays.
It is used under special irradiation conditions such as when it is desired to reduce the amount of X-ray irradiation significantly compared to normal, such as in radiography, and cannot be always attached to the X-ray irradiation device. The work significantly reduced the efficiency of medical treatment in dental clinics.
【０００５】本発明は上記問題を解決するもので、Ｘ線
減衰フィルターの取り付け／取り外しを、極めて短時間
かつ簡単に行えるようにするとともに、Ｘ線照射口とＸ
線照射対象との距離を簡単に設定し、Ｘ線照射範囲を容
易に示すことができるようにするＸ線照射装置用フィル
ター取付具を提供することを目的とするものである。The present invention has been made to solve the above-mentioned problem, and makes it possible to attach / remove an X-ray attenuation filter in a very short time and easily.
It is an object of the present invention to provide an X-ray irradiating apparatus filter mounting tool that can easily set a distance to an X-ray irradiating object and easily indicate an X-ray irradiating range.
【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Ｘ線照射装置用フィルター取付具は、
Ｘ線照射口に設けられた支持筒と、前記支持筒に嵌合す
るフィルターキャップと前記Ｘ線照射口もしくは前記支
持筒と前記フィルターキャップとの間に前記Ｘ線照射口
先端部を覆うように配されたＸ線減衰用のフィルターと
を備えたものである。In order to achieve the above object, a first X-ray irradiator filter mounting device of the present invention is provided.
A support tube provided at the X-ray irradiation port, a filter cap fitted to the support tube, and the X-ray irradiation port or between the support tube and the filter cap so as to cover the X-ray irradiation port tip. X-ray attenuating filter provided.
【０００７】また、本発明の第２のＸ線照射装置用フィ
ルター取付具は、Ｘ線照射口が支持筒を兼ねたものであ
る。[0007] In the second filter mounting device for an X-ray irradiating apparatus of the present invention, the X-ray irradiating port also serves as a support cylinder.
【０００８】また、本発明の第３のＸ線照射装置用フィ
ルター取付具は、フィルターがＸ線照射口もしくは支持
筒とフィルターキャップとにより挟持されるものであ
る。[0008] In a third aspect of the present invention, a filter is mounted between an X-ray irradiating port or a support cylinder and a filter cap.
【０００９】また、本発明の第４のＸ線照射装置用フィ
ルター取付具は、Ｘ線照射口と支持筒、もしくは支持筒
とフィルターキャップの少なくとも一方が着脱自在であ
るものである。In a fourth aspect of the present invention, there is provided a filter attachment for an X-ray irradiating apparatus, wherein at least one of the X-ray irradiating port and the support cylinder or the support cylinder and the filter cap is detachable.
【００１０】また、本発明の第５のＸ線照射装置用フィ
ルター取付具は、支持筒とフィルターキャップのいずれ
かに複数個の突起を設けるとともに、他方の前記複数個
の突起に当接する位置に軸方向に開口部を有するカギ形
状の複数の溝を設けたものである。According to a fifth aspect of the present invention, there is provided a filter mounting tool for an X-ray irradiating apparatus, wherein a plurality of projections are provided on one of a support cylinder and a filter cap, and the plurality of projections are provided at positions abutting the other plurality of projections. A plurality of key-shaped grooves having openings in the axial direction are provided.
【００１１】また、本発明の第６のＸ線照射装置用フィ
ルター取付具は、Ｘ線照射軸方向に摺動自在であるとと
もにＸ線照射口と照射対象との間隔を設定する照射距離
設定器をフィルターキャップの側壁に設けたものであ
る。[0011] A sixth aspect of the present invention is a filter mounting device for an X-ray irradiating apparatus, which is slidable in an X-ray irradiating axis direction and sets an interval between an X-ray irradiating port and an irradiation object. Is provided on the side wall of the filter cap.
【００１２】また、本発明の第７のＸ線照射装置用フィ
ルター取付具は、照射距離設定器の先端部にＸ線照射範
囲を示す照射範囲確認ゲージを設けたものである。In a seventh aspect of the present invention, a filter attachment for an X-ray irradiator is provided with an irradiation range check gauge indicating an X-ray irradiation range at a tip of an irradiation distance setting device.
【００１３】[0013]
【発明の実施の形態】上記構成により本発明の第１のＸ
線照射装置用フィルター取付具はＸ線フィルターを用い
るたびにＸ線照射装置を分解する必要もなくなり、短時
間でかつ簡単にフィルターの取り付け／取り外しができ
るようになる。DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the above configuration, the first X of the present invention is provided.
The filter attachment for the X-ray irradiator does not need to disassemble the X-ray irradiator each time the X-ray filter is used, and the filter can be easily attached / removed in a short time.
【００１４】また、本発明の第２のＸ線照射装置用フィ
ルター取付具により、Ｘ線照射口が支持筒を兼ねること
により部品点数を削減することが可能となる。Further, according to the second X-ray irradiating apparatus filter mounting tool of the present invention, the number of parts can be reduced by using the X-ray irradiating port as the supporting cylinder.
【００１５】また、本発明の第３のＸ線照射装置用フィ
ルター取付具により、フィルターをフィルターキャップ
に固定する必要がない。[0015] Further, according to the third filter attachment for an X-ray irradiation apparatus of the present invention, it is not necessary to fix the filter to the filter cap.
【００１６】また、本発明の第４のＸ線照射装置用フィ
ルター取付具により、いずれか一方だけでも着脱自在と
することで、上記第１のものと同様の効果を得ることが
できる。Further, the same effects as those of the first embodiment can be obtained by making any one of them detachable by the filter attachment for an X-ray irradiation apparatus of the fourth aspect of the present invention.
【００１７】また、本発明の第５のＸ線照射装置用フィ
ルター取付具により、支持筒の突起にフィルターキャッ
プの溝位置を合わせて軸方向に押し込んだ後、周方向に
ひねるだけでフィルターキャップを支持筒に固定するこ
とができる。Further, the filter cap for an X-ray irradiator according to the fifth aspect of the present invention is arranged such that the groove position of the filter cap is aligned with the projection of the support cylinder, and the filter cap is pushed in the axial direction. It can be fixed to a support cylinder.
【００１８】また、本発明の第６のＸ線照射装置用フィ
ルター取付具により、Ｘ線撮影時に熟練を必要とするＸ
線照射口と照射対象（患者）の間の距離設定が簡単に行
えるようになる。Further, the X-ray irradiating apparatus according to the sixth aspect of the present invention provides a filter mounting tool for an X-ray irradiating apparatus which requires skill during X-ray imaging.
The distance between the beam irradiation port and the irradiation target (patient) can be easily set.
【００１９】また、本発明の第７のＸ線照射装置用フィ
ルター取付具により、Ｘ線照射範囲を的確に把握できる
ので、正確かつ効果的にＸ線照射を行うことができるよ
うになる。Further, since the X-ray irradiation range can be accurately grasped by the filter attachment for X-ray irradiation apparatus of the seventh aspect of the present invention, X-ray irradiation can be performed accurately and effectively.
【００２０】（実施の形態１）以下、本発明のＸ線照射
装置用フィルター取付具の第１の実施の形態を図面に基
づいて説明する。なお、以下では歯科Ｘ線照射装置用フ
ィルター取付具を念頭において説明するが、本発明は歯
科用に限定されるものでないことは言うまでもない。(Embodiment 1) Hereinafter, a first embodiment of a filter attachment for an X-ray irradiation apparatus according to the present invention will be described with reference to the drawings. In the following, a filter attachment for a dental X-ray irradiation apparatus will be described in mind, but it goes without saying that the present invention is not limited to dental use.
【００２１】図１は本発明の第１の実施の形態に係わる
歯科Ｘ線照射装置用フィルター取付具の断面構造を示す
図であり、１はＸ線照射口２にかぶせて固定できるよう
にした略円筒状の支持筒で、３はこの支持筒１に着脱自
在に嵌合する円環状のフィルターキャップ、４は前記支
持筒１とフィルターキャップ３によりＸ線照射口２の先
端にかぶせて固定され、蛍光体板あるいはアルミ板など
からなる円板状のＸ線減衰用のフィルターである。５は
支持筒１をＸ線照射口２に固定するためのビスである。FIG. 1 is a view showing a cross-sectional structure of a filter attachment for a dental X-ray irradiator according to a first embodiment of the present invention. A substantially cylindrical support cylinder 3 is an annular filter cap removably fitted to the support cylinder 1, and 4 is fixed over the tip of the X-ray irradiation port 2 by the support cylinder 1 and the filter cap 3. , A disk-shaped X-ray attenuating filter made of a phosphor plate or an aluminum plate. Reference numeral 5 denotes a screw for fixing the support cylinder 1 to the X-ray irradiation port 2.
【００２２】図２は本発明の第１の実施の形態に係わる
歯科Ｘ線照射装置用フィルター取付具の支持筒１とフィ
ルターキャップ３の着脱構造を示す説明図であり、６は
支持筒１の端部外周に複数個設けられた突起で、７はこ
の突起６に対応してフィルターキャップ側に複数個設け
られたカギ形状の溝である。FIG. 2 is an explanatory view showing a detachable structure of the support tube 1 and the filter cap 3 of the filter attachment for the dental X-ray irradiation apparatus according to the first embodiment of the present invention. A plurality of protrusions are provided on the outer periphery of the end. Reference numeral 7 denotes a plurality of key-shaped grooves provided on the filter cap side corresponding to the protrusions 6.
【００２３】次に、この歯科Ｘ線照射装置用フィルター
取付具の動作を図１、２に基づいて説明する。Next, the operation of the filter attachment for a dental X-ray irradiation apparatus will be described with reference to FIGS.
【００２４】まず、あらかじめＸ線照射口２に支持筒１
をビス５により固定しておく。次に、内側にフィルター
４をはめ込んだフィルターキャップ３を、Ｘ線照射口２
の外側に固定した支持筒１にかぶせて、支持筒１の突起
６とフィルターキャップ３の溝７の位置をあわせる。そ
して、突起６を溝７のカギ形状に沿わせるようにＸ線照
射軸方向へ押し込んでひねると、支持筒１の突起６がフ
ィルターキャップ３の溝７にかみ合い、フィルター４が
Ｘ線照射口２の先端部に照射口２を覆う形で固定され
る。First, the support tube 1 is previously placed in the X-ray irradiation port 2.
Are fixed with screws 5. Next, the filter cap 3 in which the filter 4 was fitted inside was
The projection 6 of the support cylinder 1 and the groove 7 of the filter cap 3 are aligned. When the projection 6 is pushed in the direction of the X-ray irradiation axis and twisted so as to follow the key shape of the groove 7, the projection 6 of the support cylinder 1 engages with the groove 7 of the filter cap 3, and the filter 4 Is fixed so as to cover the irradiation port 2.
【００２５】フィルター４を取り外すときは、フィルタ
ーキャップ３を取り付けたときとは逆の方向にひねり、
引き抜くことによって簡単に取り外すことができる。When removing the filter 4, twist in the opposite direction from when the filter cap 3 was attached,
It can be easily removed by pulling it out.
【００２６】（実施の形態２）以下、本発明の第２の実
施の形態について説明する。なお、本実施の形態におい
て、第１の実施の形態と同様の構成については、同様の
符号を付し、説明を省略する。(Embodiment 2) Hereinafter, a second embodiment of the present invention will be described. Note that, in the present embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
【００２７】図３は本発明の第２の実施の形態に係わる
歯科Ｘ線照射装置用フィルター取付具の構成を示す説明
図であり、８はフィルターキャップ３の側壁外周部に設
けたガイドで、９はこのガイド８に沿って摺動する照射
距離設定器、１０は照射距離設定器９の先端部に設けた
Ｘ線照射範囲を示すゲージである。FIG. 3 is an explanatory view showing the configuration of a filter mounting tool for a dental X-ray irradiator according to a second embodiment of the present invention. Reference numeral 8 denotes a guide provided on the outer peripheral portion of the side wall of the filter cap 3. Reference numeral 9 denotes an irradiation distance setting device that slides along the guide 8, and reference numeral 10 denotes a gauge that is provided at the tip of the irradiation distance setting device 9 and that indicates an X-ray irradiation range.
【００２８】なお、ゲージ１０はリング形状のものを用
いたが、矩形状等、他の形状であってもよい。Although the gauge 10 has a ring shape, the gauge 10 may have another shape such as a rectangular shape.
【００２９】図３から明らかなように、照射距離設定器
９はガイド８に沿って、Ｘ線照射軸方向に自在に摺動さ
せることができるので、照射距離設定器９の摺動軸部に
メモリをつけておけば、Ｘ線照射口２と照射対象（患
者）の距離を任意の距離に、正確に設定することができ
る。As is clear from FIG. 3, the irradiation distance setting device 9 can be freely slid along the guide 8 in the X-ray irradiation axis direction. If a memory is provided, the distance between the X-ray irradiation port 2 and the irradiation target (patient) can be accurately set to an arbitrary distance.
【００３０】また図３に示したように照射距離設定器９
の先端部にＸ線照射範囲に相当するリング状のゲージ１
０を設けておけば、Ｘ線照射範囲を的確に把握すること
ができるので、例えば患者の口腔内に挿入されたフィル
ム（図示せず）に対するＸ線照射をより確実に行うこと
ができる等、より一層の効果を期待できる。Further, as shown in FIG.
Ring-shaped gauge 1 corresponding to the X-ray irradiation range at the tip of
If 0 is provided, the X-ray irradiation range can be accurately grasped, so that, for example, X-ray irradiation on a film (not shown) inserted into the oral cavity of the patient can be performed more reliably. Further effects can be expected.
【００３１】なお、上記いずれの実施の形態において
も、Ｘ線照射口２に支持筒１を取り付けたが、Ｘ線照射
口２自体に突起６を設け、直接フィルターキャップ３を
取り付けるように構成しても同様の効果があることは言
うまでもない。In each of the above embodiments, the support cylinder 1 is attached to the X-ray irradiation port 2, but the projection 6 is provided on the X-ray irradiation port 2 itself, and the filter cap 3 is directly attached. Needless to say, the same effect can be obtained.
【００３２】また、上記いずれの実施の形態においても
Ｘ線照射口２と支持筒１、支持筒１とフィルターキャッ
プ３はいずれも着脱自在としたが、いずれか一方のみを
着脱自在にすることも可能である。なお、支持筒１とフ
ィルター３とを着脱自在としない場合には、上記に説明
した突起６と溝７をＸ線照射口２と支持筒１とに設ける
ことになる。In each of the above embodiments, the X-ray irradiation port 2 and the support cylinder 1 and the support cylinder 1 and the filter cap 3 are all detachable, but only one of them may be detachable. It is possible. When the support tube 1 and the filter 3 are not made detachable, the projections 6 and the grooves 7 described above are provided on the X-ray irradiation port 2 and the support tube 1.
【００３３】さらに、突起６と溝７とは、それぞれ逆に
（すなわち、支持筒１に溝７を、フィルターキャップ３
に突起６を）設けることもでき、さらにまた、支持筒１
がフィルターキャップ３の外周上になるように構成する
（この場合、突起６は支持筒１の内周に設けられる）こ
とも可能である。Further, the projection 6 and the groove 7 are reversed (that is, the groove 7 is
Can be provided on the support cylinder 1.
May be arranged on the outer periphery of the filter cap 3 (in this case, the projection 6 is provided on the inner periphery of the support cylinder 1).
【００３４】また、フィルター４はフィルターキャップ
３にはめ込んだが、Ｘ線照射口２もしくは支持筒１とフ
ィルターキャップ３とで挟持してもよい。Although the filter 4 is fitted in the filter cap 3, the filter 4 may be held between the X-ray irradiation port 2 or the support cylinder 1 and the filter cap 3.
【００３５】[0035]
【発明の効果】以上の説明から明らかなように本発明の
第１のＸ線照射装置用フィルター取付具は、あらかじめ
Ｘ線照射口に支持筒を取り付けておきさえすれば、必要
なときに、短時間で簡単にＸ線減衰フィルターを取り付
け／取り外しできるようになるので、医院でおける診療
効率を大幅に向上させることができ、経営効果の大きい
ものである。As is clear from the above description, the first filter attachment for an X-ray irradiator of the present invention can be used when necessary if a support cylinder is previously attached to the X-ray irradiator. Since the X-ray attenuation filter can be easily attached / detached in a short time, the medical treatment efficiency in the clinic can be greatly improved, and the management effect is great.
【００３６】また、本発明の第２のＸ線照射装置用フィ
ルター取付具により、Ｘ線照射口が支持筒を兼ねること
により部品点数を削減することが可能となる。Further, with the filter attachment for the X-ray irradiating apparatus according to the second aspect of the present invention, the number of components can be reduced because the X-ray irradiating port also serves as the support cylinder.
【００３７】また、本発明の第３のＸ線照射装置用フィ
ルター取付具により、フィルターをフィルターキャップ
に固定する必要がない。Further, with the filter attachment for an X-ray irradiator according to the third aspect of the present invention, it is not necessary to fix the filter to the filter cap.
【００３８】また、本発明の第４のＸ線照射装置用フィ
ルター取付具により、いずれか一方だけでも着脱自在と
することで、上記第１のものと同様の効果を得ることが
できる。Further, the same effects as those of the first embodiment can be obtained by making any one of them detachable by the fourth filter attachment for an X-ray irradiation apparatus of the present invention.
【００３９】また、本発明の第５のＸ線照射装置用フィ
ルター取付具により、支持筒の突起にフィルターキャッ
プの溝位置を合わせて軸方向に押し込んだ後、周方向に
ひねるだけでフィルターキャップを支持筒に固定するこ
とができる。Further, after the filter cap for the X-ray irradiator according to the fifth aspect of the present invention is pressed in the axial direction by aligning the groove position of the filter cap with the projection of the support cylinder, the filter cap is simply twisted in the circumferential direction. It can be fixed to a support cylinder.
【００４０】また、本発明の第６のＸ線照射装置用フィ
ルター取付具により、Ｘ線撮影時に熟練を必要とするＸ
線照射口と照射対象（患者）の間の距離設定が簡単に行
えるようになる。Further, the X-ray irradiating apparatus according to the sixth aspect of the present invention provides the X-ray irradiating apparatus with the filter mounting tool which requires skill at the time of X-ray imaging.
The distance between the beam irradiation port and the irradiation target (patient) can be easily set.
【００４１】また、本発明の第７のＸ線照射装置用フィ
ルター取付具により、Ｘ線照射範囲を的確に把握できる
ので正確かつ効果的にＸ線照射を行うことができるよう
になる。Further, the X-ray irradiating apparatus filter mounting tool according to the seventh aspect of the present invention allows the X-ray irradiating range to be accurately grasped, so that X-ray irradiating can be performed accurately and effectively.
【図１】本発明の第１の実施の形態に係る歯科Ｘ線照射
装置用フィルター取付具の断面構造を示す図FIG. 1 is a diagram showing a cross-sectional structure of a filter attachment for a dental X-ray irradiation apparatus according to a first embodiment of the present invention.
【図２】同支持筒とフィルターキャップの着脱構造を示
す説明図FIG. 2 is an explanatory view showing a detachable structure of the support cylinder and a filter cap.
【図３】本発明の第２の実施の形態に係る歯科Ｘ線照射
装置用フィルター取付具の構成を示す説明図FIG. 3 is an explanatory view showing a configuration of a filter attachment for a dental X-ray irradiation apparatus according to a second embodiment of the present invention.
【符号の説明】 １ 支持筒 ２ Ｘ線照射口 ３ フィルターキャップ ４ フィルター ５ ビス ６ 突起 ７ 溝 ８ ガイド ９ 照射距離設定器 １０ ゲージ[Description of Signs] 1 support cylinder 2 X-ray irradiation port 3 filter cap 4 filter 5 screw 6 protrusion 7 groove 8 guide 9 irradiation distance setting device 10 gauge
フロントページの続き (56)参考文献 特開 平３−272747（ＪＰ，Ａ) 特開 平７−63898（ＪＰ，Ａ) 特開 平８−266523（ＪＰ，Ａ) 実開 昭54−61569（ＪＰ，Ｕ) 実開 昭57−132299（ＪＰ，Ｕ) 実開 昭56−36305（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) A61B 6/00 - 6/14Continuation of the front page (56) References JP-A-3-272747 (JP, A) JP-A-7-63898 (JP, A) JP-A-8-266523 (JP, A) Japanese Utility Model Application No. 54-61569 (JP) , U) Japanese Utility Model Showa 57-132299 (JP, U) Japanese Utility Model Showa 56-36305 (JP, U) (58) Fields investigated (Int. Cl. 6 , DB name) A61B 6/ 00-6/14
Claims (7)
記支持筒に嵌合するフィルターキャッップと、前記Ｘ線
照射口もしくは前記支持筒と前記フィルターキャップと
の間に前記Ｘ線照射口先端部を覆うように配されたＸ線
減衰用のフィルターとを備えたＸ線照射装置用フィルタ
ー取付具。A cylindrical support tube provided at an X-ray irradiation port; a filter cap fitted to the support tube; and a filter cap between the X-ray irradiation port or the support tube and the filter cap. A filter attachment for an X-ray irradiator, comprising: a filter for attenuating X-rays arranged so as to cover the tip of the X-ray irradiator.
のＸ線照射装置用フィルター取付具。2. The filter attachment for an X-ray irradiation apparatus according to claim 1, wherein the X-ray irradiation port also serves as a support cylinder.
とフィルターキャップとにより挟持される請求項１また
は２記載のＸ線照射装置用フィルター取付具。3. The filter attachment for an X-ray irradiation apparatus according to claim 1, wherein the filter is held between the X-ray irradiation port or the support cylinder and the filter cap.
ィルターキャップの少なくとも一方が着脱自在である請
求項１または２記載のＸ線照射装置用フィルター取付
具。4. The filter attachment for an X-ray irradiation apparatus according to claim 1, wherein at least one of the X-ray irradiation port and the support cylinder or the support cylinder and the filter cap is detachable.
複数個の突起を設けるとともに、他方の前記複数個の突
起に当接する位置に軸方向に開口部を有するカギ形状の
複数の溝を設けた請求項１または２記載のＸ線照射装置
用フィルター取付具。5. A plurality of projections are provided on one of the support cylinder and the filter cap, and a plurality of key-shaped grooves having openings in the axial direction are provided at positions contacting the other plurality of projections. The filter attachment for an X-ray irradiation apparatus according to claim 1.
Ｘ線照射口と照射対象との間隔を設定する照射距離設定
器をフィルターキャップの側壁に設けた請求項１または
２記載のＸ線照射装置用フィルター取付具。6. The X-ray irradiation apparatus according to claim 1, wherein an irradiation distance setting device slidable in the X-ray irradiation axis direction and setting an interval between the X-ray irradiation port and the irradiation target is provided on a side wall of the filter cap. Filter attachment for X-ray irradiation equipment.
示す照射範囲確認ゲージを設けた請求項６記載のＸ線照
射装置用フィルター取付具。7. An X-ray irradiator filter attachment according to claim 6, wherein an irradiation range check gauge indicating an X-ray irradiation range is provided at a tip of said irradiation distance setting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8308971A JP2800809B2 (en) | 1996-11-20 | 1996-11-20 | Filter attachment for X-ray irradiation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8308971A JP2800809B2 (en) | 1996-11-20 | 1996-11-20 | Filter attachment for X-ray irradiation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10146336A JPH10146336A (en) | 1998-06-02 |
| JP2800809B2 true JP2800809B2 (en) | 1998-09-21 |
Family
ID=17987428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8308971A Expired - Fee Related JP2800809B2 (en) | 1996-11-20 | 1996-11-20 | Filter attachment for X-ray irradiation equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2800809B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5333250B2 (en) | 2009-01-23 | 2013-11-06 | 株式会社ニコン | Imaging device |
| US9285130B2 (en) * | 2010-12-23 | 2016-03-15 | Lg Electronics Inc. | Air conditioner |
| JP6220253B2 (en) * | 2013-12-13 | 2017-10-25 | 株式会社吉田製作所 | Dental X-ray system |
-
1996
- 1996-11-20 JP JP8308971A patent/JP2800809B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10146336A (en) | 1998-06-02 |
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