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Imaging system subject support tabletop deflection delta correction

A technology of imaging system and support body, applied in the direction of weighing, measuring device, diagnostic recording/measurement, etc., which can solve the problems of increasing the overall system cost and complexity

Pending Publication Date: 2021-05-28
KONINKLJIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, this approach requires the incorporation of at least one optical transmitter and receiver into the imaging system, which can increase overall system cost and complexity

Method used

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  • Imaging system subject support tabletop deflection delta correction
  • Imaging system subject support tabletop deflection delta correction
  • Imaging system subject support tabletop deflection delta correction

Examples

Experimental program
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Embodiment Construction

[0028] The following describes where the estimated object or object weight of the object or object being scanned is used to predict object support tabletop skew increments (or changes in skew of the same area of ​​the tabletop for different tabletop horizontal positions), so The skew increment is used to correct the skew increment by adjusting the vertical height of the object support, and / or to correct the skew increment during reconstruction and / or image registration.

[0029] Figure 5 Schematically illustrates having N scanners 502 1 ,...,502 N (collectively referred to as scanner(s) 502 ), where N is an integer equal to or greater than one. When N=1, the scanner(s) 502 can include computed tomography (CT), positron emission tomography (PET), including magnetic resonance (MR), single photon emission tomography (SPECT), and / or or other scanners. When N>1, the scanner(s) 502 can include two or more of the above scanners, including at least two different imaging modalities...

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PUM

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Abstract

An imaging system (500) includes a first scanner (502) with a first examination region (504) and a subject support (506). The subject support includes a tabletop (620) that positions a subject or object at at least two different positions in the examination region. A deflection of the tabletop is different at the at least two different positions. The subject support further includes a base (508) that positions the tabletop vertically in the examination region. A deflection delta predictor (522) predicts a deflection delta of the tabletop between the at least two different positions. The predicted deflection delta is used to correct for the deflection delta.

Description

[0001] This application is a divisional application of the patent application 201480024443.2 with the filing date of April 11, 2014, and the title of the invention is "Incremental correction of tabletop deflection of imaging system object support body". technical field [0002] The following generally relates to an imaging system object support supporting an object or object in an examination region of an imaging system in an extended position, in which imaging system object support a table top of the support and an object or object thereon The weight of causes the projected end of the object support to deflect by at least the length of the projected body. Background technique [0003] FIG. 1 shows an example dual scanner imaging system 100 . Imaging system 100 includes an object support 102, a first gantry portion 104 (having a first examination region 106), and a second gantry portion 108 (defining a second examination region 110). The object support 102 includes a base 1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/055A61B6/00A61B6/04G01G19/44G01G19/52
CPCA61B6/5276A61B6/0487A61B5/055A61B6/0407G01G19/445G01G19/52
Inventor S·董
Owner KONINKLJIJKE PHILIPS NV