WO2018120202A1 - High-definition medical camera module - Google Patents

High-definition medical camera module Download PDF

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Publication number
WO2018120202A1
WO2018120202A1 PCT/CN2016/113905 CN2016113905W WO2018120202A1 WO 2018120202 A1 WO2018120202 A1 WO 2018120202A1 CN 2016113905 W CN2016113905 W CN 2016113905W WO 2018120202 A1 WO2018120202 A1 WO 2018120202A1
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signal processing
digital signal
image sensor
board
camera module
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PCT/CN2016/113905
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French (fr)
Chinese (zh)
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龚爱华
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广州华友明康光电科技有限公司
华亘致远（香港）有限公司
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Priority to PCT/CN2016/113905 priority Critical patent/WO2018120202A1/en
Publication of WO2018120202A1 publication Critical patent/WO2018120202A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof

Definitions

  • the present invention relates to the field of medical devices, and in particular to a high-definition medical camera module.
  • the medical cameras on the top are mostly standard definition, and the digital signal processing circuit (DSP, DigitalSignalProcesso) has certain heating problems.
  • DSP DigitalSignalProcesso
  • an object of the present invention is to provide a high-definition medical camera module capable of solving the heat generation problem of the digital signal processing circuit of the medical camera.
  • a high-definition medical camera module comprising: a digital signal processing development board (DSP development board, DigitalSignalProcesso), a digital signal processing chip (DSP chip, DigitalSignalProcesso), a low dropout linear regulator (LDO, low dropout regulator) And an image sensor board, a lens and a light source, wherein the digital signal processing development board is provided with the digital signal processing chip, and the low voltage plug linear regulator is disposed on the other side of the digital processor board, and the image sensor board The acquired data is transmitted to the digital signal processing development board, the lens being coupled to an image sensor panel that provides illumination to the image sensor panel.
  • DSP development board DigitalSignalProcesso
  • DSP chip DigitalSignalProcesso
  • LDO low dropout linear regulator
  • the method comprises: a metal sleeve, the digital signal processing development board, and a digital signal A processing chip, a low dropout linear regulator, an image sensor panel, a lens, and a light source are disposed within the metal sleeve.
  • the method comprises: a thermal conductive silica gel, wherein the thermal conductive silica gel is in contact with the digital signal processing chip and the metal sleeve, respectively.
  • the image sensor board is a CMOS image sensor board.
  • the method further includes: a transmission line connected to the digital signal processing development board, the transmission line is further connected to the light source, and the transmission line supplies power to the light source.
  • the transmission is transmitted by wire.
  • the digital signal processing development board is vertically connected to the image sensor board.
  • the light source is an LED light, and the number of the LED lights is four.
  • the digital signal processing development board is vertically connected to the image sensor board.
  • the lens is a plastic lens.
  • the present invention has the beneficial effects that the present invention reduces digital signal processing chips by externally placing a low dropout regulator (LDO) on a digital signal processing chip (DSP chip, DigitalSignalProcesso).
  • LDO low dropout regulator
  • DSP chip DigitalSignalProcesso
  • the power consumption of the digital signal processing chip is conducted to the metal sleeve through the thermal conductive silica gel to solve the heat problem of the digital signal processing circuit of the medical camera.
  • FIG. 1 is a schematic structural view of a high definition medical camera module according to a preferred embodiment of the present invention.
  • a high-definition medical camera module as shown in FIG. 1 includes:
  • a digital signal processing development board 1 a digital signal processing chip 2, a low-dropout linear regulator 3, an image sensor board 4, a lens 5, and a light source 6.
  • the digital signal processing development board 1 is provided with the digital signal processing chip 2 on one side.
  • the digital signal processing chip is electrically mounted on the digital signal processing development board 1 to enable normal operation, and the low voltage insertion linear regulator 3 is disposed on the other side of the digital signal processing development board 1
  • the linear regulator 3 is electrically connected to the digital signal processing development board 1, and the image sensor board 4 transmits the collected data to the digital signal processing development board 1.
  • the digital signal processing development board 1 and The image sensor board 4 mainly has two interfaces, namely: an I2C interface and an MIPI interface, and the I2C interface is used to configure an image sensor board 4 for acquiring RGB data from the image sensor board 4, so the number
  • the signal processing development board 1 and the image sensor board 4 are specifically connected through an I2C interface and a MIPI interface, and the picture sensor board is specifically a CMOS image sensor board.
  • the low-dropout linear regulator (LDO, hereinafter not referred to as abbreviated statement) 3 uses TI's dual ultra-small low-dropout linear regulator (LDO), and the dual LDO size is: 1.5 mm long.
  • the lens 5 is connected to the image sensor board 4, the lens 5 is specifically a plastic lens, and the light source 6 provides illumination for the image sensor board 4, the light source 6 For the LED lamp, the number is preferably four or six or more.
  • a high-definition medical camera module as shown in FIG. 1 further includes: a metal sleeve 8, a conductor silicone 7 and a transmission line 9, the digital signal processing development board 1, a digital signal processing chip 2, and a low-dropout linear regulator 3.
  • the image sensor board 4, the plastic lens 5, and the LED lamp 6 are disposed in the metal sleeve 8, and the entire camera is surrounded by a metal sleeve 8, which has a diameter of 6 mm.
  • the thermal conductive silicone 7 is in contact with the digital signal processing chip 2 and the metal sleeve 8, respectively, and the transmission line 9 is 6 unshielded transmission lines, specifically wire transmission, which saves a lot of cost, and the invention discloses a
  • the HD medical camera module can be used once.
  • the external source provides a constant current source for the entire camera through the transmission line 6, and the transmission line 6 supplies a constant current source of an appropriate value to the light source 6, which generates a stable light source, and the image sensor board 4 is illuminated by the light source 6, Real-time high-definition RGB data is generated, and the data is transmitted to the digital signal processing development board 1, and signal processing and compression are performed. After the compression is completed, the data is transmitted to the external connected computer through the transmission line 9.
  • the low-dropout linear regulator 3 supplies power to the sensor on the image sensor board 4.
  • a part of the digital signal processing chip 2 supplies power to itself, and the other part supplies power to the sensor on the image sensor board 4. A large amount of heat will be generated.
  • the current flowing into the digital signal processing development board 1 needs to supply power to the DSP, and the image sensor board 4 does not need to pass through the digital signal processing development board 1
  • the heat dissipation pressure of the digital signal processing chip 2 package is reduced, and the digital signal processing chip 2 conducts heat to the metal sleeve 8 through the thermal conductive silica gel 7, thereby reducing internal heat.
  • a high-definition medical camera module which adopts a linearity of low-drop difference
  • the regulator (LDO, low dropout regulator) is externally placed on the digital signal processing chip (DSP chip, DigitalSignalProcesso) to reduce the power consumption of the digital signal processing chip.
  • DSP chip DigitalSignalProcesso
  • the digital signal processing chip transmits heat to the metal sleeve through the thermal conductive silica gel to solve the medical treatment. The heating problem of the digital signal processing circuit of the camera.

Abstract

A high-definition medical camera module, characterized by comprising a digital signal processing development board (1), a digital signal processing chip (2), a low drop-out linear voltage regulator (3), an image sensor board (4), a camera lens (5) and a light source (6); one surface of the digital signal processing development board (1) is provided with the digital signal processing chip (2); the other surface of the digital signal processing development board (1) is provided with the low drop-out linear voltage regulator (3); the image sensor board (4) transmits the collected data to the digital signal processing development board (1); the camera lens (5) is connected with the image sensor board (4); and the light source (6) supplies illumination for the image sensor board (4). The low drop-out linear voltage regulator (3) is disposed at the external of the digital signal processing chip (2), thus reducing the power consumption of the digital signal processing chip (2); and the digital signal processing chip (2) conducts heat to a metal sleeve through thermal conductive silicone, thereby solving the heat generation problem of a digital signal processing circuit of the medical camera.

Description

一种高清医疗摄像头模组High-definition medical camera module 技术领域Technical field
本发明涉及医疗器械领域，具体涉及一种高清医疗摄像头模组。The present invention relates to the field of medical devices, and in particular to a high-definition medical camera module.
背景技术Background technique
随着人们对身体健康的重视，医疗行业的发展突发的迅速，因此医疗器械的质量以及用途也被越来越多人重视，特别是对于高清医疗摄像头的要求也越来越高，目前市面上的医疗摄像头大都是标清，且数字信号处理电路(DSP，DigitalSignalProcesso)存在一定的发热问题。With the emphasis on physical health and the rapid development of the medical industry, the quality and use of medical devices have also been paid more and more attention, especially for high-definition medical cameras. The medical cameras on the top are mostly standard definition, and the digital signal processing circuit (DSP, DigitalSignalProcesso) has certain heating problems.
发明内容Summary of the invention
为了克服现有技术的不足，本发明的目的在于提供一种高清医疗摄像头模组，其能解决医疗摄像头的数字信号处理电路的发热问题。In order to overcome the deficiencies of the prior art, an object of the present invention is to provide a high-definition medical camera module capable of solving the heat generation problem of the digital signal processing circuit of the medical camera.
本发明的目的采用以下技术方案实现：The object of the invention is achieved by the following technical solutions:
一种高清医疗摄像头模组，其特征在于，包括：数字信号处理开发板(DSP开发板，DigitalSignalProcesso)、数字信号处理芯片(DSP芯片，DigitalSignalProcesso)、低压差线性稳压器(LDO，low dropout regulator)、图像传感器板、镜头以及光源，所述数字信号处理开发板一面设置所述数字信号处理芯片，所述数字处理器板另一面设置所述低压插线性稳压器，所述图像传感器板将采集到的数据传送到所述数字信号处理开发板，所述镜头与图像传感器板连接，所述光源为所述图像传感器板提供照明。A high-definition medical camera module, comprising: a digital signal processing development board (DSP development board, DigitalSignalProcesso), a digital signal processing chip (DSP chip, DigitalSignalProcesso), a low dropout linear regulator (LDO, low dropout regulator) And an image sensor board, a lens and a light source, wherein the digital signal processing development board is provided with the digital signal processing chip, and the low voltage plug linear regulator is disposed on the other side of the digital processor board, and the image sensor board The acquired data is transmitted to the digital signal processing development board, the lens being coupled to an image sensor panel that provides illumination to the image sensor panel.
优选的，包括：金属套筒，所述数字信号处理开发板、数字信号 处理芯片、低压差线性稳压器、图像传感器板、镜头以及光源设置在所述金属套筒内。Preferably, the method comprises: a metal sleeve, the digital signal processing development board, and a digital signal A processing chip, a low dropout linear regulator, an image sensor panel, a lens, and a light source are disposed within the metal sleeve.
优选的，包括：导热硅胶，所述导热硅胶分别与所述数字信号处理芯片和所述金属套筒接触。Preferably, the method comprises: a thermal conductive silica gel, wherein the thermal conductive silica gel is in contact with the digital signal processing chip and the metal sleeve, respectively.
优选的，所述图像传感器板为CMOS图像传感器板。Preferably, the image sensor board is a CMOS image sensor board.
优选的，还包括：传输线，所述传输线与所述数字信号处理开发板连接，所述传输线还与所述光源连接，所述传输线为所述光源提供电源。Preferably, the method further includes: a transmission line connected to the digital signal processing development board, the transmission line is further connected to the light source, and the transmission line supplies power to the light source.
优选的，所述传输采用电线传输。Preferably, the transmission is transmitted by wire.
优选的，所述数字信号处理开发板与图像传感器板垂直连接。Preferably, the digital signal processing development board is vertically connected to the image sensor board.
优选的，所述光源为LED灯，所述LED灯的数量为四。Preferably, the light source is an LED light, and the number of the LED lights is four.
优选的，所述数字信号处理开发板与图像传感器板垂直连接。Preferably, the digital signal processing development board is vertically connected to the image sensor board.
优选的，所述镜头为塑胶镜头。Preferably, the lens is a plastic lens.
相比现有技术，本发明的有益效果在于：本发明通过在将低压差线性稳压器(LDO，low dropout regulator)外置在数字信号处理芯片(DSP芯片，DigitalSignalProcesso)，减少数字信号处理芯片的功耗，数字信号处理芯片通过导热硅胶将热传导至金属套筒，解决解决医疗摄像头的数字信号处理电路的发热问题。Compared with the prior art, the present invention has the beneficial effects that the present invention reduces digital signal processing chips by externally placing a low dropout regulator (LDO) on a digital signal processing chip (DSP chip, DigitalSignalProcesso). The power consumption of the digital signal processing chip is conducted to the metal sleeve through the thermal conductive silica gel to solve the heat problem of the digital signal processing circuit of the medical camera.
附图说明DRAWINGS
图1为本发明较佳实施例中一种高清医疗摄像头模组的结构示意图。 1 is a schematic structural view of a high definition medical camera module according to a preferred embodiment of the present invention.
附图标记说明：1、数字信号处理开发板；2、数字信号处理芯片；3、低压差线性稳压器；4、图像传感器板；5、镜头；6、光源；7、导热硅胶；8、传输线。DESCRIPTION OF REFERENCE NUMERALS: 1. Digital signal processing development board; 2. Digital signal processing chip; 3. Low-dropout linear regulator; 4. Image sensor board; 5. Lens; 6. Light source; Transmission line.
具体实施方式detailed description
下面，结合附图以及具体实施方式，对本发明做进一步描述：The present invention will be further described below in conjunction with the drawings and specific embodiments.
如图1所示的一种高清医疗摄像头模组，包括：A high-definition medical camera module as shown in FIG. 1 includes:
数字信号处理开发板1、数字信号处理芯片2、低压差线性稳压器3、图像传感器板4、镜头5以及光源6，所述数字信号处理开发板1一面设置所述数字信号处理芯片2，所述数字信号处理芯片电性安装在所述数字信号处理开发板1上，使其能正常工作，所述数字信号处理开发板1另一面设置所述低压插线性稳压器3，所述低压插线性稳压器3与所述数字信号处理开发板1电性连接，所述图像传感器板4将采集到的数据传送到所述数字信号处理开发板1，所述数字信号处理开发板1与所述图像传感器板4主要有两个接口，分别为：I2C接口和MIPI接口，所述I2C接口用于配置图像传感器板4，所述MIPI接口用于从图像传感器板4获取RGB数据，因此数字信号处理开发板1与所述图像传感器板4具体是通过I2C接口和MIPI接口连接的，所述图片传感器板具体为CMOS图像传感器板。所述低压差线性稳压器(LDO，以下不再做简称的陈述)3采用TI双路超小尺寸的低压差线性稳压器(LDO),采用的双路LDO尺寸为：长：1.5毫米，宽为.5毫米，所述镜头5与图像传感器板4连接，所述镜头5具体为塑料镜头，所述光源6为所述图像传感器板4提供照明，所述光源6 为LED灯，数量优选为四个，也可六个等多个。a digital signal processing development board 1, a digital signal processing chip 2, a low-dropout linear regulator 3, an image sensor board 4, a lens 5, and a light source 6. The digital signal processing development board 1 is provided with the digital signal processing chip 2 on one side. The digital signal processing chip is electrically mounted on the digital signal processing development board 1 to enable normal operation, and the low voltage insertion linear regulator 3 is disposed on the other side of the digital signal processing development board 1 The linear regulator 3 is electrically connected to the digital signal processing development board 1, and the image sensor board 4 transmits the collected data to the digital signal processing development board 1. The digital signal processing development board 1 and The image sensor board 4 mainly has two interfaces, namely: an I2C interface and an MIPI interface, and the I2C interface is used to configure an image sensor board 4 for acquiring RGB data from the image sensor board 4, so the number The signal processing development board 1 and the image sensor board 4 are specifically connected through an I2C interface and a MIPI interface, and the picture sensor board is specifically a CMOS image sensor board. The low-dropout linear regulator (LDO, hereinafter not referred to as abbreviated statement) 3 uses TI's dual ultra-small low-dropout linear regulator (LDO), and the dual LDO size is: 1.5 mm long. The lens 5 is connected to the image sensor board 4, the lens 5 is specifically a plastic lens, and the light source 6 provides illumination for the image sensor board 4, the light source 6 For the LED lamp, the number is preferably four or six or more.
如图1所述的一种高清医疗摄像头模组，还包括：金属套筒8、导体硅胶7以及传输线9，所述数字信号处理开发板1、数字信号处理芯片2、低压差线性稳压器3、图像传感器板4、塑胶镜头5以及LED灯6设置在所述金属套筒8内，整个摄像头用一金属套筒8包围起来，所述金属套筒8直径为6毫米。所述导热硅胶7分别与所述数字信号处理芯片2和所述金属套筒8接触，所述传输线9是6条非屏蔽传输线，具体为电线传输，节省了大量成本，本发明公开的一种高清医疗摄像头模组可为一次性使用。A high-definition medical camera module as shown in FIG. 1 further includes: a metal sleeve 8, a conductor silicone 7 and a transmission line 9, the digital signal processing development board 1, a digital signal processing chip 2, and a low-dropout linear regulator 3. The image sensor board 4, the plastic lens 5, and the LED lamp 6 are disposed in the metal sleeve 8, and the entire camera is surrounded by a metal sleeve 8, which has a diameter of 6 mm. The thermal conductive silicone 7 is in contact with the digital signal processing chip 2 and the metal sleeve 8, respectively, and the transmission line 9 is 6 unshielded transmission lines, specifically wire transmission, which saves a lot of cost, and the invention discloses a The HD medical camera module can be used once.
使用时，外部通过传输线6为整个摄像头提供恒流源，传输线6提供适当值的恒流源给光源6，所述光源6产生稳定的光源，所述图像传感器板4在光源6的光照下，产生实时高清的RGB数据，并将所述数据传送到数字信号处理开发板1，并进行信号处理和压缩，处理压缩完成后通过传输线9传送至外部的连接电脑端。低压差线性稳压器3为图像传感器板4上的传感器供电，当电流进入数字信号处理开发板1后，一部分数字信号处理芯片2自身供电，另一部分给图像传感器板4上的传感器供电，必将产生大量的热量，将低压差线性稳压器3外置后，流入数字信号处理开发板1的电流需要给DSP供电，而图像传感器板4供电就不需要经过数字信号处理开发板1,从而减少了数字信号处理芯片2封装的散热压力，另外数字信号处理芯片2通过导热硅胶7将热传导至金属套筒8，从而降低内部热量。In use, the external source provides a constant current source for the entire camera through the transmission line 6, and the transmission line 6 supplies a constant current source of an appropriate value to the light source 6, which generates a stable light source, and the image sensor board 4 is illuminated by the light source 6, Real-time high-definition RGB data is generated, and the data is transmitted to the digital signal processing development board 1, and signal processing and compression are performed. After the compression is completed, the data is transmitted to the external connected computer through the transmission line 9. The low-dropout linear regulator 3 supplies power to the sensor on the image sensor board 4. When the current enters the digital signal processing development board 1, a part of the digital signal processing chip 2 supplies power to itself, and the other part supplies power to the sensor on the image sensor board 4. A large amount of heat will be generated. After the low-dropout linear regulator 3 is externally placed, the current flowing into the digital signal processing development board 1 needs to supply power to the DSP, and the image sensor board 4 does not need to pass through the digital signal processing development board 1 The heat dissipation pressure of the digital signal processing chip 2 package is reduced, and the digital signal processing chip 2 conducts heat to the metal sleeve 8 through the thermal conductive silica gel 7, thereby reducing internal heat.
本实施例所述的一种高清医疗摄像头模组，通过在将低压差线性 稳压器(LDO，low dropout regulator)外置在数字信号处理芯片(DSP芯片，DigitalSignalProcesso)，减少数字信号处理芯片的功耗，数字信号处理芯片通过导热硅胶将热传导至金属套筒，解决解决医疗摄像头的数字信号处理电路的发热问题。A high-definition medical camera module according to the embodiment, which adopts a linearity of low-drop difference The regulator (LDO, low dropout regulator) is externally placed on the digital signal processing chip (DSP chip, DigitalSignalProcesso) to reduce the power consumption of the digital signal processing chip. The digital signal processing chip transmits heat to the metal sleeve through the thermal conductive silica gel to solve the medical treatment. The heating problem of the digital signal processing circuit of the camera.
对本领域的技术人员来说，可根据以上描述的技术方案以及构思，做出其它各种相应的改变以及形变，而所有的这些改变以及形变都应该属于本发明权利要求的保护范围之内。 Various other changes and modifications may be made by those skilled in the art in light of the above-described technical solutions and concepts, and all such changes and modifications are intended to fall within the scope of the appended claims.

Claims (9)

  1. 一种高清医疗摄像头模组，其特征在于，包括：数字信号处理开发板、数字信号处理芯片、低压差线性稳压器、图像传感器板、镜头以及光源，所述数字信号处理开发板一面设置所述数字信号处理芯片，所述数字处理器板另一面设置所述低压插线性稳压器，所述图像传感器板将采集到的数据传送到所述数字信号处理开发板，所述镜头与图像传感器板连接，所述光源为所述图像传感器板提供照明。A high-definition medical camera module, comprising: a digital signal processing development board, a digital signal processing chip, a low-dropout linear voltage regulator, an image sensor board, a lens and a light source, and the digital signal processing development board is disposed at one side a digital signal processing chip, the low-voltage plug-in linear regulator is disposed on the other side of the digital processor board, and the image sensor board transmits the collected data to the digital signal processing development board, the lens and the image sensor A panel is connected, the light source providing illumination to the image sensor panel.
  2. 根据权利要求1所述的一种高清医疗摄像头模组，其特征在于，包括：金属套筒，所述数字信号处理开发板、数字信号处理芯片、低压差线性稳压器、图像传感器板、镜头以及光源设置在所述金属套筒内。The high definition medical camera module according to claim 1, comprising: a metal sleeve, the digital signal processing development board, a digital signal processing chip, a low dropout linear regulator, an image sensor board, and a lens And a light source is disposed within the metal sleeve.
  3. 根据权利要求2所述的一种高清医疗摄像头模组，其特征在于，包括：导热硅胶，所述导热硅胶分别与所述数字信号处理芯片和所述金属套筒接触。The high-definition medical camera module according to claim 2, comprising: a thermal conductive silica gel, wherein the thermally conductive silicone is in contact with the digital signal processing chip and the metal sleeve, respectively.
  4. 根据权利要求1所述的一种高清医疗摄像头模组，其特征在于,所述图像传感器板为CMOS图像传感器板。The high definition medical camera module according to claim 1, wherein the image sensor board is a CMOS image sensor board.
  5. 根据权利要求1所述的一种高清医疗摄像头模组，其特征在于，还包括：传输线，所述传输线与所述数字信号处理开发板连接，所述传输线还与所述光源连接，所述传输线为所述光源提供电源。The high-definition medical camera module according to claim 1, further comprising: a transmission line connected to the digital signal processing development board, wherein the transmission line is further connected to the light source, the transmission line Power is supplied to the light source.
  6. 根据权利要求5所述的一种高清医疗摄像头模组，其特征在于，所述传输采用电线传输。A high definition medical camera module according to claim 5, wherein said transmission is transmitted by wires.
  7. 根据权利要求1所述的一种高清医疗摄像头模组，其特征在于，所述光源为LED灯，所述LED灯的数量为四。 The high-definition medical camera module according to claim 1, wherein the light source is an LED light, and the number of the LED lights is four.
  8. 根据权利要求1所述的一种高清医疗摄像头模组，其特征在于，所述数字信号处理开发板与图像传感器板垂直连接。The high definition medical camera module according to claim 1, wherein the digital signal processing development board is vertically connected to the image sensor board.
  9. 根据权利要求1所述的一种高清医疗摄像头模组，其特征在于，所述镜头为塑胶镜头。 The high definition medical camera module according to claim 1, wherein the lens is a plastic lens.
PCT/CN2016/113905 2016-12-30 2016-12-30 High-definition medical camera module WO2018120202A1 (en)

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