JPH0639683Y2 - Head fixing device - Google Patents

Head fixing device

Info

Publication number
JPH0639683Y2
JPH0639683Y2 JP1989098466U JP9846689U JPH0639683Y2 JP H0639683 Y2 JPH0639683 Y2 JP H0639683Y2 JP 1989098466 U JP1989098466 U JP 1989098466U JP 9846689 U JP9846689 U JP 9846689U JP H0639683 Y2 JPH0639683 Y2 JP H0639683Y2
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JP
Japan
Prior art keywords
moving
table
base
direction
movable
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.)
Active
Application number
JP1989098466U
Other languages
Japanese (ja)
Other versions
JPH0339013U (en
Inventor
茂昭 安井
英之 川端
富一 高原
Original Assignee
タカラベルモント株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by タカラベルモント株式会社 filed Critical タカラベルモント株式会社
Priority to JP1989098466U priority Critical patent/JPH0639683Y2/en
Publication of JPH0339013U publication Critical patent/JPH0339013U/ja
Application granted granted Critical
Publication of JPH0639683Y2 publication Critical patent/JPH0639683Y2/en
Active legal-status Critical Current

Links

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention provides a curved tomography by panoramic radiography and a transverse plane tomography by tomography to be used for diagnosis of the head such as in the dental field. The present invention relates to a head fixing device for fixing an impression in which a dentition of a patient is formed in a concave shape in order to fix the head of the patient and causing the patient to bite the impression for radiography.

[Conventional technology]

Conventionally, when performing panoramic X-ray imaging or tomographic X-ray imaging for the purpose of diagnosing the head such as in the dental field, the patient's jaw is placed on a chin rest called a chin rest or the forehead in order to fix the patient's head. There have been various methods such as suppressing the noise and using the ear hole as a reference.

[Problems to be solved by the device]

However, since all of these methods are based on the patient's skin surface, the patient may move during imaging, the jaw position may change each time imaging occurs, and the reproducibility of the image may be poor. Change or the distortion increases.

Therefore, an impression is obtained in which the dentition of the patient is concave, and this impression is attached to a dental X-ray device and attached to an impression attachment portion of an occlusal table that can be moved in the XY directions, and the impression is bitten by the patient. Therefore, it was considered that the jaw of the patient was fixed.

In the head fixing device with such an impression of being bitten by the patient, the X-ray generator of the X-ray device and the rotation center of the image receiving device are made to coincide with the part where the X-ray is taken, or the projection angle is tilted by a required angle. It will be necessary to

An object of the present invention is to provide a head fixing device capable of arbitrarily setting the position angle of an impression according to these needs.

[Means for Solving the Problems]

The present invention relates to means for a head fixing device for achieving the above-mentioned object, and a base mounted on an X-ray apparatus for dental X-ray imaging of a head and a unidirectionally movable base. A first moving table supported by the moving means, and a second moving table supported by the first moving table so as to be movable in a direction perpendicular to the moving direction and moved by the moving means. And a support arm attached to a U-shaped mounting portion with a tooth row impression in which the tooth row is formed in a concave shape, and provided between the second movement table and the support arm. The gist of the present invention is to provide a configuration including a support arm pivoting unit having the second moving base as the axis of movement.

[Action]

The head fixing device of the present invention sets the position of the impression attached to the support arm to an arbitrary position within one plane by moving the two moving bases in the XY directions which are orthogonal to each other. You can

Furthermore, by providing a moving table that moves in the Z direction orthogonal to the XY directions, the impression setting position can be changed three-dimensionally.

By tilting the movable table by the rotating means, it is possible to arbitrarily change the setting angle of the impression.

[Example of device]

Next, an example of implementation of the present invention will be described below with reference to FIG.

Reference numeral 1 denotes a base that is attached to a support base of the X-ray imaging apparatus. A first moving base 3 is supported by a guide base 2 fixed to the base 1 so as to be movable in the left and right directions. A scale 4 indicating the amount of movement is provided.

The first movable table 3 can thus be moved on the guide table 2, but after the movement, it can be fixed by a fixing means, for example, a screw 20.

The second movable table 5 is inserted into the first movable table 3 so as to be movable in the Y direction orthogonal to the second movable table 5, where X is the front-rear direction, that is, the left-right direction.

The second moving table 5 is provided with a scale 7 indicating the moving amount thereof, and a screw 6 for fixing the moving position on the second moving table 5 is firstly provided.
It is provided on the moving table 3.

The impression A in which the tooth profile of the patient is formed in a concave shape is attached to the tip of the support arm 8, and the base end of the impression A is screwed to the second moving table 5.
It is installed in.

When the patient bites this impression A, the jaw bone of the patient is fixed to the X-ray imaging apparatus, and the first moving table 3 is moved in the X direction and the second moving table 5 is moved in the Y direction. The X-ray generator of the X-ray radiographing apparatus and the center of rotation of the image receiving apparatus and the required position of the jawbone can be moved in the same plane to be matched.

FIG. 2 shows a structure in which the second moving table 5 is cylindrical and is rotatably supported by the first moving table 3 in the embodiment of FIG. Is provided with a scale 10 indicating the rotation angle of the second movable table 5.

The movement and rotation angle of the second movable table 5 are fixed by the screws 6.

Therefore, the impression A can be moved in the XY directions on the same plane and can be tilted about the Y axis.

Therefore, when the impression A is bitten, the patient's jaw is tilted, and the X-ray image is taken at that angle.

Next, a third embodiment will be described with reference to FIG.

In this embodiment, as compared with the embodiment shown in FIG. 2, the guide base 2 is rotatably supported by the base 1, and the scale 11 indicating the rotation angle is provided on the base 1 and the rotation of the scale is performed. Moving angle is screw
Fixed by 12.

Therefore, the impression A is the movement in the XY direction of the second embodiment,
In addition to tilting about the Y-axis, rotation about the vertical axis Z can be performed, and the jaw of the patient who bites the impression A can be swung in the left-right direction.

The fourth embodiment shown in FIG. 4 differs from the embodiment shown in FIG. 3 in that the moving portion 2a of the first moving table 3 of the guide table 2 has a cylindrical shape,
The movable table 3 is rotatable about the axis in the X direction, and the screw 20 fixes the movement and rotation of the first movable table 3.

The first moving table 3 is provided with a scale 13 indicating its rotation angle, and the impression A can be tilted back and forth in addition to the third embodiment. ,
The jaw can be tilted back and forth.

In the fifth embodiment of FIG. 5, a prism 14 is erected on the first moving table 3 of the third embodiment, and a third moving table 15 is slidably fitted on the prism 14 and is moved up and down. A scale 16 indicating the position is provided, and its vertical movement is fixed with a screw 17.

A cylinder 18 is fixed to the third moving table 15 in the X-axis direction, a fourth moving table 3a is fitted to the column 18, and the fourth moving table 3a has a scale indicating a rotation angle thereof. Apply 13.

Then, the second movable table 5 is movably and rotatably supported by the fourth movable table 3a, and is fixed by the screw 19, so that the fourth movable table 3a is provided with the second movable table 5a. Scale 10 showing the rotation angle
Other than the above, there is no difference from the third embodiment.

Therefore, in this embodiment, in addition to the movement of the fourth embodiment, the position of the impression A can be adjusted up and down, and the height of the jaw is adjusted to the height of the X-ray generator of the X-ray device and the height of the image receiving device. be able to.

In the embodiment of the present invention, in addition to the inclination about the Y axis of the impression A of the second embodiment, rotation about another axis is applied,
It is also possible to combine them appropriately.

Further, in addition to this, only the height adjustment of the impression A can be independently added to the adjustment in the XY directions, or can be appropriately combined with the inclination.

[Effect of device]

As described above, the present invention can fix the patient's head to the X-ray device by attaching to the X-ray device and biting the patient's impression that the tooth profile of the patient attached to the support arm is concave. It is a thing.

Therefore, the jaw bone can be fixed more directly than the conventional method of fixing the patient's head, which is provided in the X-ray device, preventing failure due to movement of the jaw during X-ray imaging, and good reproduction at the time of re-imaging. The same sex and expansion rate can be achieved.

Further, the impression is that the required position of the jawbone and the rotation center of the X-ray generator and the image receiving device can be made to coincide with each other by moving in the XY directions orthogonal to each other in the same plane, and a clear image is received. it can.

In addition to this, the vertical movement in the Z direction and the inclination can be set arbitrarily, and the height and inclination of the impression can be adjusted arbitrarily.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention, and FIGS. 2 to 5 are perspective views of the second to fifth embodiments of the same. A ... Impression, 1 ... Base, 2 ... Guide, 3 ... First moving base,
3a ... fourth mobile stand, 5 ... second mobile stand, 6,9,12,17,19,2
0 ... Screw, 8 ... Support arm, 15 ... Third moving base.

Claims (4)

[Scope of utility model registration request]
1. A base mounted on an X-ray apparatus for dental head radiography, such as a dentist, and a first moving base supported by the base so as to be movable in one direction and moved by a moving means. A second movable table, which is supported by the first movable table so as to be movable in a direction perpendicular to the moving direction thereof, and is moved by a moving means, and a tooth row impression in which the tooth row is formed in a U shape is U-shaped. Of the support arm attached to the attachment part of the second movement table and the rotation of the support arm provided between the second movement table and the support arm and having the movement direction of the second movement table as the axis. A head fixing device comprising: a moving means.
2. A rotating means for rotating the first moving base along the surface of the base is provided between the base and the first moving base. ) The head fixing device described.
3. A rotating means for rotating a second moving table having an axis in the moving direction of the first moving table is provided between the first moving table and the second moving table. The head fixing device according to claim 1, wherein
4. A moving table which is movable in a direction perpendicular to both the moving direction of the first moving table and the moving direction of the second moving table and which is moved by a moving means. The head fixing device according to item (1).
JP1989098466U 1989-08-25 1989-08-25 Head fixing device Active JPH0639683Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989098466U JPH0639683Y2 (en) 1989-08-25 1989-08-25 Head fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989098466U JPH0639683Y2 (en) 1989-08-25 1989-08-25 Head fixing device

Publications (2)

Publication Number Publication Date
JPH0339013U JPH0339013U (en) 1991-04-16
JPH0639683Y2 true JPH0639683Y2 (en) 1994-10-19

Family

ID=31647564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989098466U Active JPH0639683Y2 (en) 1989-08-25 1989-08-25 Head fixing device

Country Status (1)

Country Link
JP (1) JPH0639683Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU174690U1 (en) * 2017-07-10 2017-10-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородская государственная медицинская академия" Министерства здравоохранения Российской Федерации (ФГБОУ ВО НижГМА Минздрава России) Support for the chin in a cone-ray tomography of the maxillofacial region

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0446577B2 (en) * 1988-09-26 1992-07-30 Kunio Kawamura

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU174690U1 (en) * 2017-07-10 2017-10-26 Федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородская государственная медицинская академия" Министерства здравоохранения Российской Федерации (ФГБОУ ВО НижГМА Минздрава России) Support for the chin in a cone-ray tomography of the maxillofacial region

Also Published As

Publication number Publication date
JPH0339013U (en) 1991-04-16

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