CN111520460A - 医疗设备用高精度可调间隙式回转减速器及医疗设备 - Google Patents
医疗设备用高精度可调间隙式回转减速器及医疗设备 Download PDFInfo
- Publication number
- CN111520460A CN111520460A CN202010308345.9A CN202010308345A CN111520460A CN 111520460 A CN111520460 A CN 111520460A CN 202010308345 A CN202010308345 A CN 202010308345A CN 111520460 A CN111520460 A CN 111520460A
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- medical equipment
- rotary speed
- steel wire
- worm wheel
- 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.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000002603 single-photon emission computed tomography Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/037—Emission tomography
-
- 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
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4275—Arrangements for detecting radiation specially adapted for radiation diagnosis using a detector unit almost surrounding the patient, e.g. more than 180°
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/22—Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/039—Gearboxes for accommodating worm gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02091—Measures for reducing weight of gearbox
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Rolling Contact Bearings (AREA)
Abstract
本发明涉及一种医疗设备用高精度可调间隙式回转减速器及医疗设备,所述回转减速器包括基座(31),所述基座(31)包括轴壳(31.1)和座圈(31.2),所述轴壳(31.1)内穿装有蜗杆(32),所述座圈(31.2)内设置有蜗轮(33),所述蜗轮(33)内侧设置有钢丝滚道压板(34),所述钢丝滚道压板(34)与座圈(31.2)相连接,所述座圈(31.2)、蜗轮(33)和钢丝滚道压板(34)之间形成钢丝滚道(35),所述蜗轮(33)上设置有顶板法兰(37)。本发明一种医疗设备用高精度可调间隙式回转减速器,能够克服传统结构尺寸空间占用大、定位精度低、整体刚性差、传统机构磨损快、寿命差等不足。
Description
技术领域
本发明涉及一种医疗设备用高精度可调间隙式回转减速器及医疗设备,主要用于医 疗设备水平轴的旋转工作,特别是医疗单光子发射计算机断层成像系统(SPECT)扫描探测器的旋转工作。
背景技术
医疗探测器根据探运动方式可分为扫描机型和r相机型两类:
一、扫描机型SPECT:检查时探头做平动和旋转两种运动,探测器沿病人某一截面在不同方向上作直线扫描,将每一条线上的体内示踪剂放出的射线总和记录下来,形成 一个投影,这些直线投影的集会形成一个“投影截面”。每做完一次直线扫描,探测器 旋转一定角度(旋转角的大小根据所需图像分辨率来决定),再扫描一次,取得另一个 投影截面,如此反复,直到整个扫描结束(重建类型类似于第二代X-CT)。由计算机对 取样数据进行处理并重建为体层像。这类SPECT体层速度快,适用于快速动态研究, 但因价格较高,不能同时兼用于平面显像和全身显像,故在实际应用中扫描类型SPECT 仅占5%,趋于淘汰;
二、r相机型SPECT:r照相机型的SPECT是由高性能、大视野、多功能的r照相 机和支架旋转装置、图像重建软件等组成,可进行多角度、多方位的采集数据,图像采 集完毕存入硬盘以备图像重建。r相机型SPECT有多种具体实施方法:
1、固定型:固定型是采用结构固定式探测器。它由互成90度的4台r相机组成, 用多针孔准直器或旋转斜孔准直器采集不同角度的投影而进行图像重建,90度内的扫描 通过旋转病床来实现,操作十分不便;
2、旋转型:旋转型是目前常用的方法,是用1台或2台闪烁r相机,将整个探测 器装在可旋转360度的框架上。应用大视野闪烁晶体、多个光电管的r照相机探头围绕 身体旋转360度或180度进行完全角度或有限角度取样,可以重建各种切面的复合临床 要求的体层像。旋转r相机型SPECT即可获取平面投影像,又可获取人体横断层面像 和全身显像。一次旋转即得到多个层面的重建数据,灵敏度高速度快。近几年为了提高 灵敏度和空间分辨率,加快采集速度,已有双探头和三探头的旋转r照相机型问世;但 是现有的旋转型结构其旋转框架结构设计不合理,整体刚性较差,占据空间较大,定位 精度低,使用寿命较短。
发明内容
本发明所要解决的技术问题是针对上述现有技术提供一种能够克服传统结构尺寸 空间占用大、定位精度低、整体刚性差、传统机构磨损快、寿命差等不足的医疗设备用高精度可调间隙式回转减速器及医疗设备。
本发明解决上述问题所采用的技术方案为:一种医疗设备用高精度可调间隙式回转 减速器,所述回转减速器包括基座,所述基座包括轴壳和座圈,所述轴壳内穿装有蜗杆,所述座圈内设置有蜗轮,所述蜗轮和蜗杆相互啮合,所述蜗轮内侧设置有钢丝滚道压板,所述钢丝滚道压板与座圈相连接,所述座圈、蜗轮和钢丝滚道压板之间形成钢丝滚道, 所述钢丝滚道内设置有多个钢珠,所述蜗轮上设置有顶板法兰。
优选的,所述蜗杆通过左右两个轴承安装于轴壳内,所述轴壳一侧设置有一偏心端 盖,其中一个轴承安装于偏心端盖内。
优选的,所述偏心端盖包括基部,所述基部内侧开设有一轴承安装孔,其中一个轴承设置于轴承安装孔内,所述基部外侧设置有一圈法兰边,所述法兰边上开设有一圈多 个连接孔,多个连接孔位于同一圆周上,所述轴承安装孔的中心线与一圈连接孔的中心 线偏心布置。
优选的,所述蜗轮采用铜材质制成。
优选的,所述钢丝滚道压板与座圈之间设置有蜗轮调整垫片。
优选的,所述钢丝滚道压板与座圈之间设置有第一密封圈。
优选的,所述钢丝滚道压板与蜗轮之间设置有第二密封圈。
优选的,所述座圈外周壁上设置有油堵。
一种医疗探测设备,它包括基座,所述基座一侧设置有转盘,所述转盘上设置有上下两个上述回转减速器,所述回转减速器上设置有医用探测器。
与现有技术相比,本发明的优点在于:
1、本发明一种医疗设备,它在垂直转盘上安装两个回转减速器,回转减速器另一安装面与医用探测器相连,能够实现支撑、固定医用探测器及探测器在垂直方向360° 全方位旋转的功能;
2、本发明采用蜗轮蜗杆副的结构,蜗杆采用铜材料制成,能够解决传动结构磨损快的问题;
3、本发明采用钢丝滚道的结构取代了传统轴承的作用,实现了轴向、径向间隙为零,大大增强了整体机构运行的平稳性及定位精度要求;
4、本发明采用钢丝滚道结构,其占用的截面积小,使得该支承结构设计的非常精巧,大大减小了尺寸空间及设计重量;
5、本发明通过调节偏心端盖的角度来实现蜗轮蜗杆啮合精度始终保证在要求范围 之内,解决了现有技术定位精度低、寿命差的不足,大大降低了后期的维护成本。
附图说明
图1为本发明一种医疗设备的结构示意图。
图2为图1中回转减速器的结构示意图。
图3为图2的A-A剖视图。
图4为图3的纵向剖视图。
图5为图4中偏心端盖的结构示意图。
其中:
基座1
转盘2
回转减速器3
基座31
轴壳31.1
座圈31.2
蜗杆32
蜗轮33
钢丝滚道压板34
钢丝滚道35
钢珠36
顶板法兰37
轴承38
偏心端盖39
基部39.1
轴承安装孔39.2
法兰边39.3
连接孔39.4
蜗轮调整垫片310
第一密封圈311
第二密封圈312
油堵313
医用探测器4。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
如图1~图5所示,本实施例中的一种医疗设备,它包括基座1,所述基座1一侧设置有转盘2,所述转盘2上设置有上下两个回转减速器3,所述回转减速器3上设置有 医用探测器4;
所述回转减速器3包括基座31,所述基座31包括轴壳31.1和座圈31.2,所述轴壳31.1 内穿装有蜗杆32,所述座圈31.2内设置有蜗轮33,所述蜗轮33和蜗杆32相互啮合, 所述蜗轮33内侧设置有钢丝滚道压板34,所述钢丝滚道压板34通过螺钉与座圈31.2 相连接,所述座圈31.2、蜗轮33和钢丝滚道压板34之间形成钢丝滚道35,所述钢丝滚 道35内设置有多个钢珠36,所述蜗轮33上设置有顶板法兰37,所述顶板法兰37通过 螺钉与蜗轮33相连接;
所述医用探测器4设置于顶板法兰37上;
所述蜗轮33采用铜材质制成;
所述蜗杆32通过左右两个轴承38安装于轴壳31.1内,所述轴壳31.1一侧设置有一偏心端盖39,其中一个轴承38安装于偏心端盖39内;
所述偏心端盖39包括基部39.1,所述基部39.1内侧开设有轴承安装孔39.2,所述轴38设置与轴承安装孔39.2内,所述基部39.1外侧设置有一圈法兰边39.3,所述法兰 边39.3上设置有一圈多个连接孔39.4,多个连接孔39.4位于同一圆周上,所述轴承安 装孔39.2的中心线与一圈连接孔39.4的中心线偏心布置;
所述钢丝滚道压板34与座圈31.2之间设置有蜗轮调整垫片310;
所述钢丝滚道压板34与座圈31.2之间设置有第一密封圈311;
所述钢丝滚道压板34与蜗轮33之间设置有第二密封圈312;
所述座圈31.2外周壁上设置有油堵313。
除上述实施例外,本发明还包括有其他实施方式,凡采用等同变换或者等效替换方 式形成的技术方案,均应落入本发明权利要求的保护范围之内。
Claims (9)
1.一种医疗设备用高精度可调间隙式回转减速器,其特征在于:它包括基座(31),所述基座(31)包括轴壳(31.1)和座圈(31.2),所述轴壳(31.1)内穿装有蜗杆(32),所述座圈(31.2)内设置有蜗轮(33),所述蜗轮(33)和蜗杆(32)相互啮合,所述蜗轮(33)内侧设置有钢丝滚道压板(34),所述钢丝滚道压板(34)与座圈(31.2)相连接,所述座圈(31.2)、蜗轮(33)和钢丝滚道压板(34)之间形成钢丝滚道(35),所述钢丝滚道(35)内设置有多个钢珠(36),所述蜗轮(33)上设置有顶板法兰(37)。
2.根据权利要求1所述的一种医疗设备用高精度可调间隙式回转减速器,其特征在于:所述蜗杆(32)通过左右两个轴承(38)安装于轴壳(31.1)内,所述轴壳(31.1)一侧设置有一偏心端盖(39),其中一个轴承(38)安装于偏心端盖(39)内。
3.根据权利要求2所述的一种医疗设备用高精度可调间隙式回转减速器,其特征在于:所述偏心端盖(39)包括基部(39.1),所述基部(39.1)内侧开设有一轴承安装孔(39.2),其中一个轴承(38)设置于轴承安装孔(39.2)内,所述基部(39.1)外侧设置有一圈法兰边(39.3),所述法兰边(39.3)上开设有一圈多个连接孔(39.4),多个连接孔(39.4)位于同一圆周上,所述轴承安装孔(39.2)的中心线与一圈连接孔(39.4)的中心线偏心布置。
4.根据权利要求1所述的一种医疗设备用高精度可调间隙式回转减速器,其特征在于:所述蜗轮(33)采用铜材质制成。
5.根据权利要求1所述的一种医疗设备用高精度可调间隙式回转减速器,其特征在于:所述钢丝滚道压板(34)与座圈(31.2)之间设置有蜗轮调整垫片(310)。
6.根据权利要求1所述的一种医疗设备用高精度可调间隙式回转减速器,其特征在于:所述钢丝滚道压板(34)与座圈(31.2)之间设置有第一密封圈(311)。
7.根据权利要求1所述的一种医疗设备用高精度可调间隙式回转减速器,其特征在于:所述钢丝滚道压板(34)与蜗轮(33)之间设置有第二密封圈(312)。
8.根据权利要求1所述的一种医疗设备用高精度可调间隙式回转减速器,其特征在于:所述座圈(31.2)外周壁上设置有油堵(313)。
9.一种医疗探测设备,其特征在于:它包括基座(1),所述基座(1)一侧设置有转盘(2),所述转盘(2)上设置有上下两个权利要求1~8中所述的回转减速器(3),所述回转减速器(3)上设置有医用探测器(4)。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010308345.9A CN111520460A (zh) | 2020-04-18 | 2020-04-18 | 医疗设备用高精度可调间隙式回转减速器及医疗设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010308345.9A CN111520460A (zh) | 2020-04-18 | 2020-04-18 | 医疗设备用高精度可调间隙式回转减速器及医疗设备 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111520460A true CN111520460A (zh) | 2020-08-11 |
Family
ID=71903276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010308345.9A Pending CN111520460A (zh) | 2020-04-18 | 2020-04-18 | 医疗设备用高精度可调间隙式回转减速器及医疗设备 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111520460A (zh) |
-
2020
- 2020-04-18 CN CN202010308345.9A patent/CN111520460A/zh active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1230123C (zh) | X-射线ct装置 | |
EP1392168B1 (en) | Aerostatic rotor bearing | |
CN1643371A (zh) | 成像大视野物体的系统和方法 | |
CN1891157A (zh) | X射线ct装置 | |
CN104076047A (zh) | 一种流体渗流过程监测的计算机层析成像系统 | |
JP2004174264A5 (zh) | ||
US5998792A (en) | Positron emission tomography with variable detector geometry | |
CN101568854B (zh) | 乳腺摄影用检测器组件及具备其的乳腺摄影用核医学诊断装置 | |
CN212338101U (zh) | 医疗设备用高精度可调间隙式回转减速器及医疗设备 | |
CN111520460A (zh) | 医疗设备用高精度可调间隙式回转减速器及医疗设备 | |
CN115963120B (zh) | 用于对被检物进行扫描检测的检测设备 | |
CN103654835A (zh) | 一种评估spect针孔准直器性能的测试装置及其测试方法 | |
CN101361662B (zh) | 一种数字放射摄影系统立柱旋转底盘 | |
CN113143304B (zh) | 一种具备3d成像功能的dr装置 | |
JP2004037418A (ja) | 核医学診断装置 | |
CN114034711A (zh) | 长柱体外观检测装置 | |
JP3243460B2 (ja) | ポジトロンct装置 | |
JP4409865B2 (ja) | 核医学診断装置 | |
CN211094200U (zh) | 一种spect主机 | |
CN210408449U (zh) | 一种新型一体化锥束ct | |
CN112924479A (zh) | 现场装配式环形扫描工业ct机及操作方法 | |
US10849581B2 (en) | Adjustable guide wheel for axial positioning of a rotatable gantry of an imaging modality | |
CN211270804U (zh) | Spect主机架换向限位装置 | |
CN209309143U (zh) | 一种便于清洗的滚动轴承 | |
CN206044646U (zh) | 适于微螺距螺旋扫描的ct机 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |