JPS6063304U

JPS6063304U - Dental panoramic X-ray equipment

Info

Publication number: JPS6063304U
Application number: JP1983156206U
Authority: JP
Inventors: 宮脇　正明; 史明赤木
Original assignee: 朝日レントゲン工業株式会社
Priority date: 1983-10-08
Filing date: 1983-10-08
Publication date: 1985-05-04
Also published as: JPH0123445Y2

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

[Brief explanation of drawings]

第１図はこの考案の実施例装置の撮影部の外観側面図、
第２図は上記装置の水平アームの上方から見た平面図で
、平板状フィルムカセツテ支持体の回動状態を示す図、
第３図は上記カセツテ支持体回転機構の平面図、第４図
は第３図のＩＶ−ＴＶ’側断面断面図５図は平板状フィ
ルムカセツテ支持体の構成を示す一部破断の正面図、第
６図は第５図のＶＩ−ＶＩ’側断面断面図７図は第５図
の円で囲んだ部分の平面図である。５・・・水平アーム回動軸、６・・・水平アーム、６Ｂ
・・・水平アームのフィルムカセツテ懸垂端、７・・・
Ｘ線源、９・・・被写体、１０・・・平板状フィルムカ
セツテ、１１・・・フィルムカセツテ支持体、２０・・
・カセツテキャリア、２１・・・支持体回転中心、２３
・・・支持体回転機構、２８．２９・・・上記回転機構
の軸受、３１・・・垂直軸、３５・・・支持構体、４４
・・・キャリア案内機構、４９・・・可変速モータ、５
０・・・ピニオンまたは摩擦転輪、５１・・・カセツテ
キャリアの軸受、４８・・・キャリア横掘れ防止部材、
５６・・・ラックまたは走行軸、５８，５９，６０・・
・カセツテ保持枠体。FIG. 1 is an external side view of the photographing section of the embodiment device of this invention.
FIG. 2 is a plan view seen from above the horizontal arm of the device, showing the rotating state of the flat film cassette support;
FIG. 3 is a plan view of the cassette support rotating mechanism, FIG. 4 is a sectional view taken along the line IV-TV' in FIG. 3, and FIG. 5 is a partially cutaway front view showing the structure of the flat film cassette support. , FIG. 6 is a sectional view taken along the line VI-VI' in FIG. 5, and FIG. 7 is a plan view of the encircled portion in FIG. 5...Horizontal arm rotation axis, 6...Horizontal arm, 6B
...Film cassette hanging end of horizontal arm, 7...
X-ray source, 9... Subject, 10... Flat film cassette, 11... Film cassette support, 20...
・Cassette carrier, 21...Support rotation center, 23
...Support rotation mechanism, 28.29...Bearing of the rotation mechanism, 31...Vertical shaft, 35...Support structure, 44
...Carrier guide mechanism, 49...Variable speed motor, 5
0... Pinion or friction roller, 51... Bearing of cassette carrier, 48... Carrier side digging prevention member,
56...Rack or traveling axis, 58, 59, 60...
- Cassette holding frame.

Claims

[Claims for Utility Model Registration] 1. A horizontal arm 6 in which an X-ray source 7 and a flat film cassette 10 are suspended facing each other at a predetermined relative position with the subject 9 in between is rotated, and the X-rays transmitted through the subject are The beam is always orthogonally projected onto the film cassette, and the film cassette is moved linearly along its tangential line in the opposite direction of the rotation of the arm, and its speed is variably controlled in accordance with the shape of the tomographic trajectory of the object. , an apparatus for panoramic imaging of whole-jaw X-ray information of a subject, in which the flat film cassette support 11 is composed of a support structure 35 and a cassette carrier 20; The vertical shaft 31 inserted between the horizontal arm and the rotating mechanism 23, which serves as bearings 28 and 29, are formed so as to be rotatable horizontally as necessary, and the rotational speed is set to this support structure according to the shape of the track. A variable speed motor 49 that is variably controlled and has a pinion or friction roller 50 on its rotating shaft, and at least two bearings 51 sandwiching the pinion or friction roller.
and a carrier guide mechanism 44 having a carrier side digging prevention member 48, and the cassette carrier is coupled to a rack or running shaft 56 having an occluded circular cross section driven by the pinion or friction roller. , cassette holding frames 58, 5 that hold and fix the film cassette.
9. A dental panoramic X-ray imaging device characterized by being formed with 60. 2. The dental panoramic X-ray imaging apparatus according to claim 1, wherein the rotation center position of the rotation mechanism 23 is provided at the end of the horizontal arm 6 in the rotation direction during imaging when viewed from the X-ray incident direction. . 3 Utility model registration claim, paragraph 1 or 2, in which the support structure is provided with an X-ray intensity detector for the X-ray beam transmitted through the object
The dental panoramic X-ray imaging device described in Section 1. 4 Bearing 2 of rotation mechanism 23 provided at horizontal arm end 6B
The dental panoramic X-ray imaging apparatus according to any one of claims 1 to 3, wherein 8 and 29 are a combination of a radial ball bearing and a thrust ball bearing. 5. The dental clinic according to any one of claims 1 to 4, wherein the cassette holding frame 58 is provided with at least one pair of rolling rollers 61 that are in contact with both sides of the carrier side digging prevention member 48. panoramic X-ray imaging device. 6. Registration of a utility model in which a rack with a circular cross-section or a circular flat part 56F of the running shaft 56 is formed on the upper part, and the width of the flat part is in the range of 60 to 70% of the shaft diameter. A dental panoramic X-ray imaging apparatus according to any one of claims 1 to 5.