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CN-121971114-A - Detector module, detector and medical imaging device

CN121971114ACN 121971114 ACN121971114 ACN 121971114ACN-121971114-A

Abstract

The invention discloses a detector module, a detector and medical imaging equipment, wherein the detector module comprises a photoelectric converter, an analog-to-digital conversion unit and a flexible circuit board, wherein the flexible circuit board comprises a detection connecting part and a component connecting part, the detection connecting part is arranged on one side of the photoelectric converter in a first direction and is connected with the photoelectric converter, the component connecting part is connected with at least one side edge of the detection connecting part in a second direction and extends away from the photoelectric converter in the first direction, the component connecting part comprises a plurality of connecting plate parts and at least one bending part, the plurality of connecting plate parts are arranged in a stacked mode in the second direction, two adjacent connecting plate parts are connected through the bending part, and the at least one connecting plate part is connected with at least one analog-to-digital conversion unit. According to the detector module, the flexible circuit board adopts a folding structure, so that the area of a weldable element of the flexible circuit board is increased, the material utilization rate is improved, and the signal receiving and processing requirements of the high-density photoelectric sensor are met.

Inventors

  • ZHAO CHEN
  • HU XIAOQING
  • CUI SHIFENG

Assignees

  • 东软医疗系统股份有限公司

Dates

Publication Date
20260505
Application Date
20260306

Claims (13)

  1. 1. A detector module (1000), comprising: a photoelectric converter (200); an analog-to-digital conversion unit (400) for converting an analog signal into a digital signal; The flexible circuit board (100), the flexible circuit board (100) is including surveying connecting portion (20) and part connecting portion (10), survey connecting portion (20) are located one side of photoelectric converter (200) in first direction, and with photoelectric converter (200) link to each other, part connecting portion (10) are connected survey connecting portion (20) are in at least one side border in the second direction, first direction with the second direction is crossing, part connecting portion (10) include a plurality of connecting plate portion (11) and at least one bending portion (12), adjacent two between connecting plate portion (11) pass through bending portion (12) link to each other, at least one connecting plate portion (11) connect at least one analog-digital conversion unit (400).
  2. 2. The detector module (1000) according to claim 1, characterized in that one end of the component connection (10) is connected to the detection connection (20) and the other end extends away from the photoelectric converter (200) in the first direction, a plurality of the connection plate portions (11) being arranged in a stack in the second direction.
  3. 3. The detector module (1000) according to claim 1, characterized in that at least one of the bending parts (12) is connected to one side edge of two adjacent connecting plate parts (11) in a first direction and/or at least one of the bending parts (12) is connected to one side edge of two adjacent connecting plate parts (11) in a third direction, the first direction, the second direction and the third direction intersecting each other.
  4. 4. The detector module (1000) according to claim 1, characterized in that a connection location of at least one of the connection plate portions (11) and the bent portion (12) is provided with a tear-proof notch arranged at an end portion of at least one end of the bent portion (12) in a length direction for releasing stress of the end portion of the bent portion (12).
  5. 5. The detector module (1000) according to claim 1, further comprising a stiffening plate (300), the stiffening plate (300) being arranged between at least a pair of two of the connection plate portions (11) arranged adjacently and in tandem, the analog-to-digital conversion unit (400) being arranged at a side of the connection plate portion (11) facing away from the stiffening plate (300) in the second direction.
  6. 6. The detector module (1000) according to claim 1, further comprising an adhesive member provided between at least one pair of two of the connection plate portions (11) arranged adjacently and in a stacked manner, such that the two connection plate portions (11) arranged adjacently and in a stacked manner are adhesively connected by the adhesive member.
  7. 7. The detector module (1000) according to claim 1, wherein, in at least one pair of two of the connection plate portions (11) that are adjacently and stacked, the analog-to-digital conversion units (400) that are arranged on the two connection plate portions (11) are arranged at intervals in a plane perpendicular to a stacking direction of the two connection plate portions.
  8. 8. The detector module (1000) according to any of claims 1-7, characterized in that one of the plurality of connection plate portions (11) is a first plate portion (111), one end of the first plate portion (111) being connected to a side edge of the detection connection portion (20) in a second direction, and the other end extending away from the detection connection portion (20) in the first direction, the remaining connection plate portions (11) being connected to the detection connection portion (20) by the first plate portion (111) and being arranged on one or both sides of the first plate portion (111) in the second direction; The plurality of connection plate portions (11) includes a second plate portion (112), the second plate portion (112) is disposed on one side of the first plate portion (111) toward the other side edge of the detection connection portion (20) in the second direction, the at least one bending portion (12) includes a first bending portion (121), the first plate portion (111) and the second plate portion (112) are connected by the first bending portion (121), Wherein the first bending part (121) is connected to one side of the first plate part (111) and the second plate part (112) in a third direction, and/or the first bending part (121) is connected to one side of the first plate part (111) and the second plate part (112) away from the detection connecting part (20) in the first direction.
  9. 9. The detector module (1000) according to claim 8, characterized in that the plurality of connection plate portions (11) further comprises a third plate portion (113), the third plate portion (113) being arranged on a side of the first plate portion (111) facing away from the second plate portion (112), the at least one bending portion (12) comprising a second bending portion (122), the third plate portion (113) being connected to the first plate portion (111) by the second bending portion (122), the second bending portion (122) being located on a different side of the first plate portion (111) than the first bending portion (121).
  10. 10. The detector module (1000) according to claim 9, characterized in that the plurality of connection plate portions (11) further comprises a fourth plate portion (114), the fourth plate portion (114) being arranged on a side of the third plate portion (113) facing away from the first plate portion (111), the at least one bending portion (12) comprising a third bending portion (123), the third plate portion (113) and the fourth plate portion (114) being connected by the third bending portion (123), the third bending portion (123) being located on a different side of the third plate portion (113) than the second bending portion (122).
  11. 11. The detector module (1000) of claim 1, wherein the flexible circuit board (100) is an integral piece.
  12. 12. Detector (A3) characterized by comprising a support and a plurality of detector modules (1000) according to any of claims 1-11, at least two of said detector modules (1000) being arranged in sequence along a third direction and being arranged on said support, said first direction, said second direction and said third direction intersecting in pairs.
  13. 13. A medical imaging device (a 10), characterized by comprising a gantry (A1), a radiation source (A2) and a detector (A3) according to claim 12, the gantry (A1) being formed with a scanning cavity for receiving a scanning object (a 20), the radiation source (A2) and the detector (A3) being arranged on radial sides of the scanning cavity, respectively, and the radiation source (A2) and the detector (A3) being rotatable in a circumferential direction of the scanning cavity.

Description

Detector module, detector and medical imaging device Technical Field The present invention relates to the technical field of medical devices, and in particular, to a detector module, a detector, and a medical imaging device. Background The detector is a core component of the medical imaging equipment, the performance of the detector directly determines the imaging quality, and the spatial resolution is a key index for measuring the imaging quality of equipment such as CT and the like. In order to improve the index, a small-pixel high-density detection unit design is commonly adopted in the industry, and the design can be used for arranging more pixel units in the same space, so that the identification capability of a fine focus and a structure is enhanced, and a plurality of technical problems are caused. The high-density detection unit brings about sharp increase of the number of pixels, so that more multi-mode conversion units are needed to be configured to process signals, the outgoing line density of the photoelectric converter is greatly improved, and the wiring difficulty of the detector module is remarkably increased. At present, a flexible circuit board is mostly adopted for a high-density detector module of a CT system, but the design requirement of small pixels is difficult to adapt to the limited space of the detector module, so that the clinical application of the detector module of the small-pixel CT system is limited. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the detector module, the flexible circuit board of the detector module adopts a folding structure, the area of a weldable element of the flexible circuit board is increased, the utilization rate of materials is improved, and the signal receiving and processing requirements of the high-density photoelectric sensor are met. The invention also provides a detector with the detector module. The invention also provides medical imaging equipment with the detector. The detector module comprises a photoelectric converter, an analog-to-digital conversion unit and a flexible circuit board, wherein the analog-to-digital conversion unit is used for converting an analog signal into a digital signal, the flexible circuit board comprises a detection connection part and a component connection part, the detection connection part is arranged on one side of the photoelectric converter in a first direction and is connected with the photoelectric converter, the component connection part is connected with at least one side edge of the detection connection part in a second direction, the first direction intersects with the second direction, the component connection part comprises a plurality of connection plate parts and at least one bending part, two adjacent connection plate parts are connected through the bending part, and at least one connection plate part is connected with at least one analog-to-digital conversion unit. According to the detector module, the flexible circuit board adopts the folding structure of the connecting plate part and the bending part, so that the high-density small-pixel detector module can be manufactured, the area of a weldable element of the flexible circuit board is increased, the material utilization rate is improved, and the signal receiving and processing requirements of the high-density photoelectric sensor are met. In some embodiments, one end of the component connection portion is connected to the detection connection portion, and the other end extends away from the photoelectric converter in the first direction, and a plurality of the connection plate portions are arranged in a stacked manner in the second direction. In some embodiments, at least one of the bending portions is connected to one side edge of two adjacent connecting plate portions in a first direction, and/or at least one of the bending portions is connected to one side edge of two adjacent connecting plate portions in a third direction, where the first direction, the second direction, and the third direction intersect in pairs. In some embodiments, a tear-proof notch is arranged at a connection position of at least one connecting plate part and the bending part, and the tear-proof notch is arranged at an end part of at least one end of the bending part in the length direction and used for releasing stress at the end part of the bending part. In some embodiments, the detector module further comprises a stiffening plate disposed between at least one pair of two of the connection plate portions that are adjacent and arranged in a stacked manner, the analog-to-digital conversion unit being disposed on a side of the connection plate portion facing away from the stiffening plate in the second direction. In some embodiments, the detector module further comprises an adhesive disposed between at least one pair of two of the web portions that are adjac