WO2010140492A1 - 口腔内撮影補助具 - Google Patents
口腔内撮影補助具 Download PDFInfo
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- WO2010140492A1 WO2010140492A1 PCT/JP2010/058625 JP2010058625W WO2010140492A1 WO 2010140492 A1 WO2010140492 A1 WO 2010140492A1 JP 2010058625 W JP2010058625 W JP 2010058625W WO 2010140492 A1 WO2010140492 A1 WO 2010140492A1
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- WIPO (PCT)
- Prior art keywords
- image
- arm
- image receiving
- unit
- support arm
- Prior art date
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- 238000003384 imaging method Methods 0.000 title claims abstract description 48
- 210000000214 mouth Anatomy 0.000 claims abstract description 21
- 238000003780 insertion Methods 0.000 claims abstract description 17
- 230000037431 insertion Effects 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims description 14
- 238000002601 radiography Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 2
- 108020003175 receptors Proteins 0.000 description 20
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 description 7
- 108091008695 photoreceptors Proteins 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
- A61B6/512—Intraoral means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
Definitions
- the present invention relates to an intraoral imaging aid capable of displaying an image obtained by imaging.
- Patent Document 1 proposes a dental X-ray imaging tool used in imaging of a tooth using an X-ray apparatus.
- the dental X-ray imaging tool comprises a flat holding substrate, a photoreceptor mounting portion on which the X-ray film is mounted, and a ring portion used to determine the X-ray irradiation direction.
- the subject bites the holding substrate with the tooth, thereby fixing the position of the X-ray film with respect to the tooth to be photographed.
- the photographer irradiates X-rays to the imaging target tooth.
- the photographer refers to the developed X-ray film.
- the image output by the X-ray imaging device is displayed on the display of a personal computer installed outside the dental X-ray imaging tool. JP, 2004-174162, A
- the present invention has been made in view of these problems, and it is an object of the present invention to obtain an intraoral photographing aid which can reliably photograph a tooth to be photographed.
- the intraoral photographing aid comprises a support arm having an insertion portion inserted into the oral cavity, and an extension portion extending from the insertion portion and protruding outside the oral cavity, and an end portion where the extension portion is not connected in the insertion portion And an image receiving unit to be attached, wherein the supporting arm does not have a member that interferes with a tooth to be photographed.
- the insertion end rotatably holds the image receiving unit.
- the image receiving unit has an image receiving surface on which a subject image is formed
- the oral cavity imaging aid further includes an instruction unit extending from the image receiving unit in a direction perpendicular to the image receiving surface, and the instruction unit is incident on the image receiving surface
- the angle pointing arm extending from the image receiving unit so as to be positioned outside the track of the subject image, and the position pointing arm extending from the end of the angle pointing arm not connected to the image receiving unit
- the positioning arm is provided such that the tip of the positioning arm is projected to a specific position on the image receiving surface when projected at right angles. Since the image receptor mounting unit 20 is placed in the oral cavity of the subject at the time of photographing, it is difficult for the photographer to know the exact position of the image receptor mounting unit 20. However, according to the present embodiment, when the photographer looks at the instruction unit 61, the position of the image receiver mounting unit 20 can be grasped.
- the display unit may further include a display unit that displays an image output from the image receiving unit, and the display unit may be attached to the support arm.
- the photographer can view the image displayed on the display unit 40 and confirm the photographing result.
- an image is displayed on the display of a personal computer, in order to view such an image, it is necessary to change the observation direction of the photographer from the subject's teeth to the display.
- imaging is performed multiple times while adjusting the occlusal position of the holding substrate 10 by teeth, the position of the X-ray device 50, etc., changing the observation direction frequently is a very troublesome task for the photographer.
- the photographer can simultaneously view the area where the subject's teeth are present and the area where the image is displayed without changing the observation direction, it is possible to quickly confirm the imaging result. become.
- the display unit preferably includes a display surface for displaying an image, and is rotatably attached to the support arm such that the display surface can be directed toward the radiation source or the image receiving unit.
- the display surface can be directed to the X-ray apparatus side where the photographer is present or to the subject side, so that both the photographer and the subject can easily observe the image.
- the subject can not move his face a lot when taking pictures repeatedly with the holding substrate in an occlusion state, but according to the present invention, the subject can view the image of the taken result without moving the face big. it can.
- the image receiving unit further includes a first cable provided inside the insertion arm and the support arm and connected to the image receiving unit, and a second cable provided inside the insertion arm and the support arm and connected to the display unit.
- the output image is output to the image processing unit provided outside the intraoral photographing aid via the first cable, and the second cable transmits the image processed by the image processing unit to the display unit. It may be configured. Since communication is performed via the first and second cables provided inside the holding substrate, the cables can be prevented from coming into contact with the oral cavity of the subject.
- the intraoral imaging aid can be securely fixed.
- an intraoral photographing aid that can reliably photograph a tooth to be photographed.
- the first intraoral radiography aid 1 includes a support arm 10, a grip 15, an image receptor mounting unit 20, an X-ray image receiver 25, and a display 40.
- the image receiver mounting unit 20 and the X-ray receiver 25 constitute an image receiving unit.
- the support arm 10 is an L-shape including a prismatic long arm portion 10 a and a short arm portion 10 b.
- a portion of the long arm portion 10a and the short arm portion 10b constitute an insertion portion, and a portion of the long arm portion 10a not constituting the insertion portion constitutes an extension portion.
- the length of the long arm 10a and the short arm 10b, and the angle between the long arm 10a and the short arm 10b are determined according to the position of the tooth to be imaged. In the present embodiment, the length of the long arm portion 10a is longer than that of the short arm portion 10b, and the long arm portion 10a is connected to the short arm portion 10b at a right angle.
- the image receiver mounting portion 20 is rotatably connected to one end of the short arm portion 10b.
- the connection means between the image receiver mounting portion 20 and the short arm portion 10b will be described later.
- One end of the long arm 10a is connected to the other end of the short arm 10b.
- the grip portion 15 is attached to the other end of the long arm portion 10a.
- the gripping portion 15 is a rectangular solid, and has a cross-sectional area larger than that of the long arm portion 10 a in a cross section perpendicular to the longitudinal direction of the long arm portion 10 a.
- the image receptor mounting unit 20 is a rectangular plate-like member, and is rotatably attached to the support arm 10.
- the X-ray receiver 25 is mounted on the receiver mounting portion 20 by a pressing spring (not shown).
- the X-ray receiver 25 is an X-ray imaging device and outputs an image signal.
- a first cable 11 provided inside the support arm 10 connects the image processing unit of the personal computer provided outside with the X-ray receiver 25.
- the personal computer supplies power to the X-ray receiver 25 via the first cable 11.
- the X-ray receiver 25 transmits an image signal to the image processing unit via the first cable 11.
- the display unit 40 is a rectangular flat plate, and one side of the display unit 40 forms a display surface 41. Further, the display unit 40 protrudes substantially at right angles from the support arm 10 so as to be rotatable around an axis AX perpendicular to the support arm 10.
- a second cable 12 provided inside the support arm 10 connects the image processing unit of the personal computer and the display unit 40.
- the personal computer transmits the power and the image signal to the display unit 40 via the second cable 12. An image based on the image signal is displayed on the display surface 41.
- the image receiver mounting portion 20 and the short arm portion 10 b are rotatably connected by a universal joint (free joint) 13.
- the universal joint 13 comprises a ball portion 14 and a receiving portion 21.
- the ball portion 14 is spherical and attached to the tip of a rod extending from the short arm portion 10b.
- the receiving unit 21 is provided on the back surface of the surface on which the X-ray image receiving body 25 is attached in the image receiving body mounting unit 20.
- the receiving portion 21 has a spherical depression having a diameter slightly larger than the outer diameter of the ball of the ball portion.
- the ball portion 14 is housed in the recess of the receiving portion 21 and frictionally engages with the inner periphery of the recess.
- the frictional force generated between the ball portion 14 and the receiving portion 21 has a size that allows the photographer to move the image receptor mounting portion 20 with the force of a finger, the image receptor even if some external force is applied
- the size is such that the mounting unit 20 does not move.
- the image receiver mounting portion 20 is rotatably supported relative to the short arm portion 10b. The photographer can move the image receptor mounting unit 20 to adjust the angle with respect to the short arm 10b.
- the subject uses the first intraoral imaging aid 1 so that the subject's mouth angle fits in the inferior angle side at the connection between the long arm 10a and the short arm 10b. Fear.
- the photographer or the subject holds the grip unit 15 so that a part of the support arm 10 and the image receptor mounting unit 20 are inserted into the oral cavity of the subject and the tooth axis of the tooth T to be photographed and the support arm 10 are vertical. Hold. Thereby, the X-ray photoreceptor 25 is placed on the back surface of the tooth T to be imaged. At this time, the first intraoral imaging aid 1 does not have a member that interferes with the imaging target tooth T.
- the photographer or the subject holds the X-ray apparatus 50 such that the X-ray irradiation direction, the position of the tooth T, and the positional relationship of the X-ray photoreceptor 25 become suitable for the bisecting plane method.
- the angle of the image receiver mounting portion 20 with respect to the support arm 10 is changed so as to be an angle suitable for the bisector imaging method.
- the photographer irradiates X-rays to perform imaging.
- the image signal output from the X-ray photoreceptor 25 is transmitted to the personal computer through the first cable 11, and the image processing unit of the personal computer performs image processing.
- the video signal after image processing is transmitted to the display unit 40 via the second cable 12, and an image based on the video signal is displayed on the display unit 40.
- the display unit 40 is provided at a portion of the support arm 10 which is not inserted into the oral cavity of the subject when the subject holds the first intraoral imaging aid 1. At the time of imaging, the display surface 41 of the display unit 40 is disposed to face the X-ray device 50. As a result, the photographer can observe the image displayed on the display unit 40 while looking at the area where the subject's tooth T to be photographed is located.
- the display unit 40 On the other hand, it is also possible to rotate the display unit 40 and arrange the display surface 41 of the display unit 40 to face the subject. At this time, the subject can observe the image displayed on the display unit 40. Thus, the photographer can view the image displayed on the display unit 40 and confirm the photographing result.
- an image is displayed on the display of a personal computer, in order to view such an image, it is necessary to change the observation direction of the photographer from the subject's teeth to the display.
- frequently changing the direction of the line of sight is a very troublesome task for the photographer.
- the photographer since the photographer can simultaneously view the area where the subject's teeth are present and the area where the image is displayed without changing the direction of the line of sight, it is possible to quickly confirm the imaging result. It will be possible.
- the electrical connection between the X-ray receiver 25 and the personal computer, and the electrical connection between the display unit 40 and the personal computer are performed via the first and second cables 11 and 12 provided inside the support arm 10. This prevents the cable from coming into contact with the oral cavity of the subject.
- the display surface 41 of the display unit 40 can be turned to the direction in which the photographer is present or turned to the subject side by rotation, both the photographer and the subject can easily observe the image obtained by the photographing. become.
- the subject when photographing is performed many times in a state in which the support arm 10 is bitten while viewing the imaging result, the subject can not move the face largely, but according to the present embodiment, the subject moves the face large. Instead, it becomes possible to see the image of the shooting result.
- the subject holds the intraoral imaging aid 1 by holding the grasping portion 15 by the photographer, so a subject such as a child who can not be well occlusioned
- the intraoral radiography aid 1 is securely held, and the X-ray irradiation direction, the position of the tooth T, and the positional relationship of the X-ray photoreceptor 25 are suitable for the bisecting plane method. can do.
- FIGS. 4 and 5 a second intraoral photographing aid 60 according to the second embodiment will be described using FIGS. 4 and 5.
- the same components as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted.
- the second intraoral imaging aid 60 further includes an instruction unit 61.
- the instruction unit 61 extends from the image receptor mounting unit 20 at a right angle to the image receiving surface 26 and instructs the photographer the center of the image receiving surface 26.
- the pointing unit 61 has an angle pointing arm 62 protruding from the side surface of the image receptor mounting unit 20 and a position pointing arm 63 extending from the end of the angle pointing arm 62.
- the angle pointing arm 62 is formed by combining two prisms, and protrudes perpendicularly from the side center of the image receiver mounting portion 20 and then bends at a right angle and extends in a direction perpendicular to the image receiving surface 26.
- the direction perpendicular to the image receiving surface 26 is the direction in which X-rays are incident.
- the position pointing arm 63 is a prism and extends at a right angle from the extension end of the angle pointing arm 62.
- the tip of the position pointing arm 63 is projected on the center of the image receiving surface 26. That is, the tip of the position designation arm 63 is positioned on the X-ray line irradiated from the X-ray device 50.
- the length of the angle pointing arm 62 is such that the position pointing arm 63 is not inserted into the oral cavity when the image receptor mounting portion 20 is inserted into the oral cavity. Since the pointing arm 61 is fixed to the image receptor mounting portion 20, it rotates with respect to the support arm 10 as the image receptor mounting portion 20 pivots.
- the instruction unit 61 is configured of a member that transmits X-rays. Therefore, the X-ray receiver 25 is not imaged.
- the X-ray apparatus 50 When the subject holds the second intraoral imaging aid 60, a part of the angle pointing arm 62 and the position pointing arm 63 are located outside the oral cavity.
- the photographer or the subject holds the X-ray apparatus 50 such that the X-ray irradiation direction, the position of the tooth T, and the positional relationship of the X-ray photoreceptor 25 become suitable for the bisecting plane method.
- the X-ray apparatus 50 is held so that the X-ray irradiation axis Y is parallel to the angle pointing axis 62 and passes through the tip of the position pointing arm 63.
- the photographer irradiates X-rays to perform imaging.
- the photographer can observe the image displayed on the display unit 40 while looking at the area where the subject's tooth T to be photographed is located.
- the image receptor mounting unit 20 is rotatable and is placed in the oral cavity of a subject at the time of photographing, it is difficult for the photographer to know the exact position of the image receptor mounting unit 20.
- the position of the image receiver mounting unit 20 can be grasped.
- the shapes of the support arm 10 and the holding portion 15 may be, for example, a cylindrical shape, or a shape capable of supporting the image receptor mounting portion 20.
- the first and second cables 11 and 12 may be provided outside the support arm 10.
- the first cable 11 may be guided to the inside of the support arm 10 through the inside of the image receiver mounting portion 20. Contact between the oral cavity and the cable can be avoided.
- the X-ray receiver 25 may be configured to be integrated with the receiver mounting unit 20.
- the power supply to the X-ray receiver 25 and the display unit 40 has been described as being performed from the personal computer through the first and second cables 11 and 12, power supply from other power supplies is also possible. It is also good. For example, a mode in which power is supplied by a battery provided on the support arm 10 is conceivable. In this case, transmission of image signals from the X-ray receiver 25 to the personal computer, transmission of control signals from the personal computer to the X-ray receiver 25 and transmission of control signals and video signals from the personal computer to the display unit 40 are the first and the first.
- the communication may be performed by wireless communication such as Bluetooth without using the two cables 11 and 12.
- the support arm 10 is provided with an image processing unit such as a DSP.
- the form may be such that the photographing, the image processing and the display are completed.
- the occlusion of the support arm 10 by the imaging target tooth T or the like may be performed in a state where the imaging target tooth T etc. is in direct contact with the support arm 10 as shown in FIG. It may be performed in the state which pinched
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Abstract
Description
10 支持腕
10a 長腕部
10b 短腕部
13 ユニバーサルジョイント
15 把持部
20 受像体装着部
25 X線受像体
40 表示部
41 表示面
受像体装着部20と短腕部10bは、ユニバーサルジョイント(自由継手)13により回動自在に接続される。ユニバーサルジョイント13は、ボール部14と受け部21とから成る。ボール部14は球形であって、短腕部10bから延びる棒の先端に取り付けられる。受け部21は、受像体装着部20においてX線受像体25が取り付けられる面の裏面に設けられる。受け部21は、ボール部の球の外径よりも僅かに大きい径を有する球形の窪みを有する。ボール部14は受け部21の窪みの中に収納され、窪みの内周と摩擦係合する。ボール部14と受け部21との間に生じる摩擦力は、撮影者が指の力で受像体装着部20を動かすことができる程度の大きさであるが、多少の外力が働いても受像体装着部20が動かない程度の大きさである。これにより、受像体装着部20が短腕部10bに対して回動自在に支持される。撮影者は、受像体装着部20を動かして、短腕部10bに対する角度を調節できる。
Claims (8)
- 口腔内に挿入される挿入部、及び前記挿入部から延びて口腔外に突出する延伸部とを有する支持腕と、
前記挿入部において前記延伸部が接続されない端部に取り付けられる受像部とを備え、
撮影対象歯牙に干渉する部材を前記支持腕が有さないことを特徴とする口腔撮影補助具。 - 前記挿入端は、前記受像部を回動自在に保持する請求項1に記載の口腔撮影補助具。
- 前記受像部は、被写体像が形成される受像面を有し、
前記口腔撮影補助具は、前記受像面に対し直角方向に向けて前記受像部から延びる指示部をさらに備え、
前記指示部は、前記受像面に入射する被写体像の線路外に位置するように前記受像部から延びる角度指示腕と、前記角度指示腕において前記受像部に接続されない端部から延びる位置指示腕とを有し、
前記位置指示腕の先端を前記受像面に対して直角に投影したとき、前記位置指示腕の先端が前記受像面上の特定位置に投影されるように、前記位置指示腕が設けられる請求項1又は2に記載の口腔撮影補助具。 - 前記角度指示腕の一部及び前記位置指示腕は口腔外に突出する請求項3に記載の口腔撮影補助具。
- 前記受像部が出力した画像を表示する表示部をさらに備え、
前記表示部は、前記支持腕に取り付けられる請求項1から4のいずれか1項に記載の口腔撮影補助具。 - 前記表示部は、画像を表示する表示面を備え、前記表示面が放射線源方向又は前記受像部方向に向きうるように、前記支持腕に対して回転可能に取り付けられる請求項1から5のいずれか1項に記載の口腔内撮影補助具。
- 前記挿入腕及び前記支持腕の内部に設けられ、前記受像部に接続される第1ケーブルと、
前記挿入腕及び前記支持腕の内部に設けられ、前記表示部に接続される第2ケーブルとをさらに備え、
前記受像部が出力した画像は、前記口腔内撮影補助具の外部に設けられた画像処理部に前記第1ケーブルを介して出力され、
前記第2ケーブルは、前記画像処理部により処理された画像を前記表示部に送信する請求項5又は6に記載の口腔内撮影補助具。 - 前記延伸部の突出端に取り付けられる把持部をさらに備える請求項1から7のいずれか1項に記載の口腔撮影補助具。
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JP2011518388A JP5484462B2 (ja) | 2009-06-03 | 2010-05-21 | 口腔内撮影補助具 |
CN2010800212005A CN102438528A (zh) | 2009-06-03 | 2010-05-21 | 口腔内拍摄辅助工具 |
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JP2009134245 | 2009-06-03 | ||
JP2009-134245 | 2009-06-03 |
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JP (1) | JP5484462B2 (ja) |
KR (1) | KR20120027012A (ja) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2012105159A1 (ja) * | 2011-01-31 | 2012-08-09 | 株式会社ニックス | 歯科用口腔内撮影システム |
Citations (3)
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JPS55137521A (en) * | 1979-03-09 | 1980-10-27 | Identoflex Ag | X ray sensitive film holder for dental x ray photograph |
JP2003190150A (ja) * | 2001-12-28 | 2003-07-08 | Yasuyuki Shimizu | 口内法x線撮影用補助具 |
JP2009050284A (ja) * | 2007-08-23 | 2009-03-12 | Yoshida Dental Mfg Co Ltd | 歯科用x線撮影素子保持具 |
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CN2255238Y (zh) * | 1996-04-12 | 1997-06-04 | 北京精良齿科技工有限公司 | X光牙片夹持器 |
CN1739443A (zh) * | 2004-08-27 | 2006-03-01 | 上海雷硕医疗器械有限公司 | 一种口腔自助观察器 |
CN1795826A (zh) * | 2004-12-27 | 2006-07-05 | 上海雷硕医疗器械有限公司 | 一种牙齿影像自助记录器 |
JP2009050248A (ja) * | 2007-08-23 | 2009-03-12 | Ichiro Moriya | 脱酸素剤 |
-
2010
- 2010-05-21 WO PCT/JP2010/058625 patent/WO2010140492A1/ja active Application Filing
- 2010-05-21 CN CN2010800212005A patent/CN102438528A/zh active Pending
- 2010-05-21 KR KR1020117028774A patent/KR20120027012A/ko not_active Application Discontinuation
- 2010-05-21 JP JP2011518388A patent/JP5484462B2/ja not_active Expired - Fee Related
- 2010-06-02 TW TW099117736A patent/TW201103488A/zh unknown
Patent Citations (3)
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JPS55137521A (en) * | 1979-03-09 | 1980-10-27 | Identoflex Ag | X ray sensitive film holder for dental x ray photograph |
JP2003190150A (ja) * | 2001-12-28 | 2003-07-08 | Yasuyuki Shimizu | 口内法x線撮影用補助具 |
JP2009050284A (ja) * | 2007-08-23 | 2009-03-12 | Yoshida Dental Mfg Co Ltd | 歯科用x線撮影素子保持具 |
Cited By (1)
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WO2012105159A1 (ja) * | 2011-01-31 | 2012-08-09 | 株式会社ニックス | 歯科用口腔内撮影システム |
Also Published As
Publication number | Publication date |
---|---|
CN102438528A (zh) | 2012-05-02 |
JPWO2010140492A1 (ja) | 2012-11-15 |
JP5484462B2 (ja) | 2014-05-07 |
KR20120027012A (ko) | 2012-03-20 |
TW201103488A (en) | 2011-02-01 |
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