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公开(公告)号:KR1020100129637A
公开(公告)日:2010-12-09
申请号:KR1020090048301
申请日:2009-06-01
Applicant: 강원대학교산학협력단
Inventor: 이강일
Abstract: PURPOSE: A device and a method for measuring the scale amount of a pipe are provided to enable the scale amount of a pipe to be accurately measured relatively in a state the fluid flows since there is no risk of being exposed to radiation and a user can conveniently carry an inspecting unit due to a compact size. CONSTITUTION: A device(100) for measuring the scale amount of a pipe comprises an input unit(110), a sensing unit(120) and a calculating unit(130). Ultrasonic wave enters the pipe through the input unit. The sensing unit senses a plurality of signals, which are reflected at time intervals according to the medium state of the pipe. The calculating measures the scale amount of the pipe using the time intervals, at which the signals are received. The calculating unit measures the scale amount using one of the sensed signals, which is reflected from the interface of the inner wall of the pipe between a scale, and another one of the sensed signals, which is reflected from the interface of the scale between the pipe flowing fluid.
Abstract translation: 目的:提供一种用于测量管道规模量的装置和方法,以使得能够在流体流动的状态下相对准确地测量管道的规模量,因为不存在暴露于辐射的风险,并且用户可以 由于尺寸紧凑,方便携带检查单元。 构成:用于测量管道的秤量的装置(100)包括输入单元(110),感测单元(120)和计算单元(130)。 超声波通过输入单元进入管道。 感测单元感测根据管道的介质状态以时间间隔反射的多个信号。 计算使用接收信号的时间间隔测量管道的比例量。 所述计算单元使用所述感测信号中的一个来测量所述标度量,所述信号从所述管道的内壁在刻度尺与所述感测信号中的另一个之间的界面反射, 管流体。
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公开(公告)号:KR1020160049642A
公开(公告)日:2016-05-10
申请号:KR1020140147008
申请日:2014-10-28
Applicant: 강원대학교산학협력단
Inventor: 이강일
CPC classification number: A61B8/0875 , A61B8/4483 , G01S7/52026 , G01S7/52033 , G01S7/52077 , G01S7/52079
Abstract: 본발명은시간반전음향집속기술을이용한골밀도예측장치및 방법에관한것으로, 본발명의시간반전음향집속기술을이용한골밀도예측장치는, 초음파를조사하는초음파송신부; 상기초음파송신부로부터조사된상기초음파를수신하는초음파수신부; 상기초음파송신부에시간반전된초음파를제공하는시간반전부; 상기초음파수신부가수신한초음파를전기적신호로변환시키는변환부; 상기초음파변환부에의해변환된상기전기적신호를검출하는신호처리부; 및상기변환부에서검출된상기전기적신호를분석하여해면질골을통과한초음파의음속을산출하고, 산출된초음파의음속을통해상기해면질골의골밀도를예측하는연산부; 를포함할수 있다. 본발명에의하면, 인체에무해한초음파를이용하여골밀도를예측하므로, 종래의방사선을이용한측정에따른방사선피폭등의피해가발생되지않아, 인체가비교적안전하고, 환자의종골을대상으로종골단면을여러개의관심영역으로분할하고각각의관심영역에시간반전음향집속기술을이용하여집속된펄스형초음파를투과시켜각각의관심영역에대한음속을구할수 있으며, 이로부터종골단면에대한골밀도영상을획득할수 있으므로더욱정확도가높은골밀도의예측이가능한효과가있다.
Abstract translation: 本发明涉及使用时间反射声波聚焦技术的骨密度预测装置及其方法。 使用本发明的时间反转声波聚焦技术的骨密度预测装置包括:发射超声波的超声波发送单元; 超声波接收单元,其接收由超声波发送单元发射的超声波; 提供用于超声波发送单元的时间反转超声波的时间反转单元; 转换单元,其将由超声波接收单元接收的超声波转换为电信号; 信号处理单元,其检测由所述转换单元转换的电信号; 以及分析来自转换单元的检测到的电信号的计算单元,计算通过海绵骨的超声波的声速,并且使用计算出的超声波的速度来预测海绵状骨的骨密度。 根据本发明,通过使用对人体无害的超声波来预测骨密度,本发明不会使用通过使用辐射的现有测量方法而发生的辐射,因此对人体是安全的。 此外,通过将跟骨的横截面分割为多个目标区域,并且使用聚焦脉冲型超声波使用时间反转声波聚焦技术通过每个目标区域,本发明获得每个目标区域的声速,获取 关于跟骨横截面的骨密度图像,并以更好的精度预测骨密度。
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公开(公告)号:KR101510525B1
公开(公告)日:2015-04-10
申请号:KR1020130091403
申请日:2013-08-01
Applicant: 강원대학교산학협력단
Inventor: 이강일
IPC: A61B8/00
Abstract: 본발명은초음파감쇠계수및 후방산란계수를이용한대퇴골골구조예측방법및 장치에관한것으로, 초음파감쇠계수및 후방산란계수를이용한골구조예측방법은대퇴골에초음파펄스를조사하는초음파조사단계; 상기대퇴골로부터반사된초음파펄스를수신하여전기적신호로변환하는변환단계; 및상기변환단계에서변환된상기전기적신호를통해, 초음파감쇠계수및 후방산란계수를계산하여골 용적분율(BV/TV) 및해면질골두께(Tb.Th)를계산하는골구조계산단계;를통해상기대퇴골의골 구조를계산하는기술을제공한다. 본발명에의하면, 대퇴골에초음파를조사하고대퇴골로부터반사된초음파를수신하여초음파감쇠계수및 후방산란계수를계산하여골 용적분율(BV/TV)과해면질골두께(Tb.Th)과의상관관계를이용해대퇴골의골구조를예측하는것이가능하다.
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公开(公告)号:KR1020140045124A
公开(公告)日:2014-04-16
申请号:KR1020120111283
申请日:2012-10-08
Applicant: 강원대학교산학협력단
Inventor: 이강일
IPC: A61B8/08
Abstract: The present invention relates to a method and an apparatus for estimating the bone mineral density using ultrasonic nonlinear parameters. The method of estimating the bone mineral density by using the ultrasonic nonlinear parameters includes the steps of: an ultrasonic wave application step of applying a pulse-type ultrasonic wave to a sponge bone; an ultrasonic wave reception step of selectively receiving only the ultrasonic wave having a frequency (f_2 frequency) twice greatert than a fundamental frequency (f_1 frequency) having the pulse-type ultrasonic wave transmitted through the sponege mineral; and a conversion step of converting the ultrasonic wave having the f_2 frequency selectively received in the ultrasonic wave reception step into an electrical signal; and a bone mineral density estimation step of anaylzing the electrical signal converted in the conversion step, measuring nonlinear parameters of the sponge bone, and estimating the bone density of the sponge bone based on the correlation between the nonlinear parameters and the bone density of the sponge bone. Accordingly, a technology of improving the precision in the measurement of the bone density of the sponge bone is provided. According to the present invention, the nonlinear parameters, which are new parameters, are provided together with the parameters used in a conventional quantative ultrasonic technology, so that the bone density can be precisely measured. [Reference numerals] (300) Pulser/receiver; (400) Signal processing unit; (500) Measuring unit; (600) Bone mineral density determining unit; (700) Output unit
Abstract translation: 本发明涉及一种使用超声波非线性参数估计骨矿物质密度的方法和装置。 通过使用超声波非线性参数估计骨矿物质密度的方法包括以下步骤:向海绵骨施加脉冲型超声波的超声波施加步骤; 超声波接收步骤,其仅选择性地仅接收具有通过所述螺旋矿物传播的所述脉冲型超声波的基频(f_1频率)的两倍的频率(f_2频率)的超声波; 以及将在超声波接收步骤中选择性地接收的具有f_2频率的超声波转换为电信号的转换步骤; 以及骨矿物质密度估计步骤,用于分析在转化步骤中转换的电信号,测量海绵骨的非线性参数,以及基于非线性参数与海绵骨密度之间的相关性来估计海绵骨的骨密度 骨。 因此,提供了提高海绵骨的骨密度测定精度的技术。 根据本发明,作为新参数的非线性参数与常规定量超声技术中使用的参数一起提供,从而可以精确地测量骨密度。 (附图标记)(300)脉冲发生器/接收器; (400)信号处理单元; (500)测量单元; (600)骨矿物质密度测定单位; (700)输出单元
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公开(公告)号:KR1020110076690A
公开(公告)日:2011-07-06
申请号:KR1020090133447
申请日:2009-12-29
Applicant: 강원대학교산학협력단
IPC: A61M5/168
Abstract: PURPOSE: A drug control tube and a drug control device using the same are provided to minutely control the amount of drug and to be inserted into a living body. CONSTITUTION: A drug control device comprises: a drug control tube(110) in which a first adhesion plate and a second adhesion plate are adhered to each other; in the form of the board which each other adheres closely to; an ultrasonic generating part(120) which generates ultrasonic wave; and a controller(130) controlling the ultrasonic generating part. The controller controls the size and times of the pulse of the ultrasonic wave and the frequency of the ultrasonic wave.
Abstract translation: 目的:提供药物控制管和使用该药物的药物控制装置,以精细地控制药物的量并插入生物体内。 构成:药物控制装置包括:药物控制管(110),其中第一粘合板和第二粘合板彼此粘合; 以董事会的形式彼此紧密相连; 产生超声波的超声波发生部(120) 以及控制超声波发生部的控制器(130)。 控制器控制超声波脉冲的大小和时间以及超声波的频率。
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公开(公告)号:KR101025159B1
公开(公告)日:2011-04-04
申请号:KR1020100023746
申请日:2010-03-17
Applicant: 강원대학교산학협력단
Inventor: 이강일
IPC: A61B8/00
Abstract: PURPOSE: A method for measuring a bone structure using quantitative ultrasonic technology is provided to prevent a fracture due to an osteoporosis by using a correlation between an electric signal and a trabeculae of bone of a sponge bony tissue. CONSTITUTION: An ultrasonic wave generated by an ultrasonic converter(11) is irradiated to a sponge bony tissue. A transceiver(12) is used for driving the ultrasonic converter. A digital detection tube(13) detects the converted electric signal. A display unit(14) displays the electric signal. A phase speed and an attenuation coefficient of the electric signal are calculated.
Abstract translation: 目的:提供一种使用定量超声波技术测量骨骼结构的方法,通过使用海绵体骨组织的电信号和骨小梁之间的相关性来防止由于骨质疏松引起的骨折。 构成:将超声波转换器(11)产生的超声波照射到海绵状骨组织。 收发器(12)用于驱动超声波转换器。 数字检测管(13)检测转换的电信号。 显示单元(14)显示电信号。 计算出电信号的相位速度和衰减系数。
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