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    • 4. 发明授权
    • Method and device for producing dental prosthesis elements
    • 用于生产牙科假体元件的方法和装置
    • US07865261B2
    • 2011-01-04
    • US11988803
    • 2006-07-17
    • Joachim Pfeiffer
    • Joachim Pfeiffer
    • G06F19/00G03B21/60G06K9/00A61B6/14A63B57/00
    • A61C13/0004A61C9/0046B33Y50/00B33Y80/00
    • A method for producing a dental prosthesis element wherein construction relating to the dental prosthesis element is recorded together with measurement data relating to the dental prosthesis element and is reproduced on a display, the measurement data having been recorded by a three-dimensional measurement device. A 3D data record of the tooth situation can be reproduced on the display instead of the construction data. A device for the partial manual treatment of the dental prosthesis element includes a three-dimensional measurement device, a display, and a computer unit for the correlation and comparison of two data records and for graphically presenting the data generated by the comparison.
    • 一种用于制造牙科假体元件的方法,其中与牙修复元件相关的构造与与假牙元件相关的测量数据一起记录并在显示器上再现,测量数据已经被三维测量装置记录。 牙齿情况的3D数据记录可以在显示器上再现而不是施工数据。 用于部分手动治疗牙科假体元件的装置包括三维测量装置,显示器和用于两个数据记录的相关和比较的计算机单元,并用于图形地呈现通过比较生成的数据。
    • 7. 发明授权
    • Dental x-ray diagnostics installation for producing panorama slice
exposures of the jaw of a patient
    • 用于产生患者颌骨全景切片暴露的牙科X线诊断装置
    • US4878234A
    • 1989-10-31
    • US150379
    • 1988-01-29
    • Joachim PfeifferWerner GuentherManfred MuetherErich Heubeck
    • Joachim PfeifferWerner GuentherManfred MuetherErich Heubeck
    • G01N23/04A61B6/03A61B6/14G01T1/20H04N5/32
    • A61B6/032A61B6/14A61B6/4435G01T1/2018H04N5/32
    • A dental x-ray diagnostics installation for producing panorama tomograms of the jaw of a patient has a radiation source and a detector, which converts x-radiation into corresponding light radiation, disposed on opposite sides of the patient. The detector is preceded by a secondary diaphragm. The radiation source, the detector and the secondary diaphragm are rotated around the patient so that radiation attenuated by the jaw, and passing through the secondary diaphragm is incident on the detector. At least one CCD sensor is provided on which light radiation generated by the detector is incident. The CCD sensor converts the light radiation into electrical signals. The sensor has an image zone with a number of lines parallel to a longitudinal extent of the opening of the secondary diaphragm, and has a storage zone. The lines in combination receive all of the light radiation so as to generate a complete charge image corresponding to the x-radiation incident on the detector. A clock generator is provided which controls transfer of the charge from the lines of the image zone into the storage zone, and also controls read-out of the storage zone. By selecting the frequency of the clock pulses generated by the clock pulse generator, the transfer and read-out speed can be selected to simulate the speed of movement of x-ray film in a conventional dental panorama tomography apparatus.
    • 用于产生患者颌骨的全景断层图的牙科X射线诊断装置具有放射源和检测器,其将x辐射转换成设置在患者的相对侧上的相应的光辐射。 检测器之前是次级隔膜。 辐射源,检测器和次级隔膜围绕患者旋转,使得由钳口衰减并通过次级隔膜的辐射入射到检测器上。 提供至少一个CCD传感器,其上由检测器产生的光辐射入射。 CCD传感器将光辐射转换为电信号。 传感器具有平行于次级隔膜的开口的纵向长度的多条线的图像区域,并且具有存储区域。 组合的线接收所有的光辐射,以产生对应于入射在检测器上的x辐射的完整的电荷图像。 提供时钟发生器,其控制电荷从图像区域的线路转移到存储区域中,并且还控制存储区域的读出。 通过选择由时钟脉冲发生器产生的时钟脉冲的频率,可以选择传送和读出速度来模拟常规牙科全景断层摄影装置中的X射线胶片的移动速度。