KR20030090171A - ambulatory monitoring device for bladder pressure and bladder neck pressure - Google Patents

ambulatory monitoring device for bladder pressure and bladder neck pressure Download PDF

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Publication number
KR20030090171A
KR20030090171A KR1020020028172A KR20020028172A KR20030090171A KR 20030090171 A KR20030090171 A KR 20030090171A KR 1020020028172 A KR1020020028172 A KR 1020020028172A KR 20020028172 A KR20020028172 A KR 20020028172A KR 20030090171 A KR20030090171 A KR 20030090171A
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South Korea
Prior art keywords
pressure
bladder
signals
computer
catheter
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KR1020020028172A
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Korean (ko)
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서정환
송철규
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서정환
송철규
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Priority to KR1020020028172A priority Critical patent/KR20030090171A/en
Publication of KR20030090171A publication Critical patent/KR20030090171A/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
    • A61B5/202—Assessing bladder functions, e.g. incontinence assessment
    • A61B5/205—Determining bladder or urethral pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • A61B5/036—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs by means introduced into body tracts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
    • A61B5/6874—Bladder

Abstract

PURPOSE: A portable device for monitoring bladder pressure and bladder neck pressure is provided to perform a bladder test without inserting a catheter by using a digital method. CONSTITUTION: A first pressure sensor(12) is used for detecting the flow of urination by an operation of a 3-way stopcock. The second pressure sensor(13) is installed at an input terminal of a micro-computer(10) in order to detect the bladder neck pressure. A pressure signal extraction circuit(14) removes the random noise and receives pressure signals from the first and the second pressure sensors(12,13). A low pass filter(15) is used for removing the pressure drift due to noise signals in order to input only the bladder pressure and the bladder neck pressure to the micro-computer(10). At this time, the micro-computer(10) amplifies the signals and converts the amplified signals to the digital signals. An LCD display(9) displays the digital signals. An alarm(17) generates an alarm signal according to a signal of a threshold detector(16).

Description

휴대용 방광내압 및 방광경부압 모니터링 장치{ambulatory monitoring device for bladder pressure and bladder neck pressure}Ambulatory monitoring device for bladder pressure and bladder neck pressure

방광내압 측정은 요류동태 검사의 기본이 되는 검사로서, 방광의 충만과 배뇨시에 일어나는 압력변화를 기록하면서 방광의 용적, 수용력, 수축력, 배뇨근 수축력, 및 약물 반응에 의한 방광 기능을 검사하는 방법이다. 이를 위한 종래의 기술은 방광의 기능평가에 유용한 검사이지만 검사방법이 고가이며, 또한 빈번한 추적검사는 환자에게 불편과 비용부담을 주게되며 검사시 마다 검사실로 이동하여야 하는 등, 필요할 때 방광검사를 쉽게하기가 매우 불편하다.Bladder internal pressure measurement is the basic test of urinary kinetic test, which records the bladder's volume, capacity, contractility, detrusor muscle contraction, and drug response by recording the pressure change during filling and urination of the bladder. . The conventional technique for this purpose is a useful test for evaluating the function of the bladder, but the examination method is expensive, and frequent follow-up examinations are inconvenient and expensive for the patient, and the bladder examination is easily performed when necessary, such as having to move to the laboratory every time It is very inconvenient to do.

이러한 문제점을 극복하기 위해 검사가 필요할 때에 방광내에 도뇨관을 삽입하고 이를 아날로그 압력계에 연결하여 방광내압을 측정하려는 고안이 있었다. 또한, 이와 유사하게 방광내압과 항문직장 카테터에 의한 복부압력의 차를 계산하여 데이타의 저장은 되지 않지만 순간 군간의 배뇨근 압의 측정을 위한 아날로그 방식의 방광내압 측정 방법이 고안되기도 하였다. 그러나 이러한 방법들은 방광 삼각부를 도뇨관 끝으로 자극하는 경우 방광수축을 유발시킬 수도 있고, 방광내압의 정확한 측정을 위해 복압을 측정하는 불편함이 있었다. 본 고안에서는 종래의 이러한 문제점들을 해결할 수 있는 디지탈 방식의 휴대용 방광내압 측정 시스템을 고안하였으며, 복압 측정을 위한 항문직장 카테터의 삽입이 없이, 고안된 카테터와 간섭 압력 제거 알고리듬이 포팅된 디지탈 방식의 휴대용 장치를 발명하였다.In order to overcome these problems, there was a design to measure the bladder internal pressure by inserting a catheter into the bladder when the test is needed and connecting it to an analog pressure gauge. In addition, analogous bladder pressure measurement method has been devised for measuring urinary muscle pressure between instantaneous groups, although data are not stored by calculating the difference between the bladder pressure and the abdominal pressure by the rectal catheter. However, these methods may cause bladder contraction when the bladder tripod is stimulated by the end of the catheter, and it is inconvenient to measure abdominal pressure for accurate measurement of bladder internal pressure. The present invention devised a digital portable bladder pressure measuring system which can solve these problems of the related art, and a digital portable device equipped with the designed catheter and interference pressure elimination algorithm without the insertion of an anal rectal catheter for abdominal pressure measurement. Invented.

본 발명은 방광압의 측정을 위해 동시에 측정하는 종래의 복부압력 측정을 생략할 수 있는 간섭압력(기침, 대화, 호흡, 및 자세이동에 의한 압력변화) 제거 알고리듬이 포팅된 휴대용 방광압 및 방광경부압 모니터링 장치와 이를 위한 3중 관상체 구조의 방광카테터를 제공하고자 한다. 또한 종래의 일회성 측정방법이 아닌 휴대용 모니터링 장치를 카테터와 연결함으로서, 연속적인 모니터링이 가능하게 되며, 얻어진 데이터는 디스크에 저장되거나 RS232C로 컴퓨터에 전송되도록 하여 컴퓨터에서 분석 또는 출력할수 있는 기술을 구현한다.The present invention is a portable bladder and bladder neck pressure to which the interference pressure (pressure change caused by coughing, dialogue, breathing, and posture shift) elimination algorithm that can omit the conventional abdominal pressure measurement to measure simultaneously for the measurement of bladder pressure To provide a monitoring device and a bladder catheter of the triple coronary structure for this purpose. In addition, by connecting a portable monitoring device with a catheter rather than a conventional one-time measuring method, continuous monitoring is possible, and the obtained data is stored on a disk or transmitted to a computer by RS232C to implement a technology that can be analyzed or output from a computer. .

도1은 본 발명인 방광 카테터의 길이방향 단면도이다.1 is a longitudinal cross-sectional view of a bladder catheter of the present invention.

도2는 도1중 A부분(본체)의 횡방향 단면도이다.FIG. 2 is a lateral cross-sectional view of the portion A (main body) in FIG. 1.

도3은 본 발명인 휴대용 방광압 및 방광경부압 측정을 위한 회로의 블럭Figure 3 is a block of the circuit for the present inventors portable bladder pressure and bladder neck pressure measurement

선도이다.Is leading.

* 도면 중 주요부분에 대한 부호 설명* Explanation of symbols on the main parts of the drawings

1: 뇨배출관 1': 뇨배출 bag 2: 뇨유입구1: urine discharge tube 1 ': urine discharge bag 2: urine inlet

3: 환형(ring type)압력감지부 3': 센서 커넥터3: ring type pressure sensing unit 3 ': sensor connector

4: 방광 카테터 고정기구 5: 고정기구 직경조절용 액체 주입부4: bladder catheter fixing device 5: liquid injection unit for diameter adjustment of fixing device

6: 고정기구 직경조절용 액체 통로관6: Liquid passage pipe for adjusting fixture diameter

7:카테터 외벽 8: 3-way stopcock 9:디스플레이부7: Catheter outer wall 8: 3-way stopcock 9: Display

10: 마이크로 컴퓨터 10': 교정신호 스위치10: microcomputer 10 ': calibration signal switch

11: 압력분석용 컴퓨터 12: 방광내압 신호검출부11: pressure analysis computer 12: bladder pressure detector

본 발명은 휴대용 방광내압과 방광경부압 측정을 위한 3중 관상체의 방광카테터 구성과 휴대용 방광내압 측정 장치의 구성에 관한 발명이다.The present invention relates to the construction of a bladder catheter of a triple coronary body for the measurement of portable bladder internal pressure and bladder neck pressure and a configuration of a portable bladder internal pressure measurement device.

먼저, 도1과 도 2에서 3중 관상체의 방광카테터 구성과 작용을 상세하게 설명하면 다음과 같다. (i)휴대용 방광내압과 방광경부압력 측정시 방광내에 삽입되는 선단부에는 뇨유입구(2)와 방광카테터 고정기구(4)가 설치되어 있으며, (ii) 3중 관상체인 본체의 중심 단면 중심부에는 상기 뇨 유입구(2)와 연결된 뇨 배출관(1)이 설치되어 있고, 방광경부 압력의 측정을 위해 밴드형 또는 고리형 압력센서(3)가 카테터 외벽(7)에 부착되어 있어 측정 부위의 압력을 센서 카테터(3')를 통해, 디지털 압력측정 장치(10)에 의해 A/D변환 된 후, 디스플레이(9)되도록 구성하였다. (iii) 3 중 관상체인 말단부의 중심에는 상기 뇨배출관(1)과 연결되어 있는 뇨 배출 bag(1') 사이에 3-way stopcock(8)을 설치하여 배뇨시의 압력을 측정함으로서 방광내압을 산출할 수 있으며, 압력검출부(12)에 의해 변환된 전기 신호가 CPU부(10)에 입력되어 디지탈 신호로 처리된 후 디스플레이부(9)에 압력 값(cmHg)으로 표시된다.First, the configuration and operation of the bladder catheter of the triple tubular body in Figures 1 and 2 as follows. (i) The urinary inlet (2) and the bladder catheter fixing mechanism (4) are installed at the tip inserted into the bladder when measuring the bladder internal pressure and the bladder neck pressure, and (ii) the central cross section of the main body of the triple tubular body A urine discharge pipe 1 connected to the urine inlet port 2 is installed, and a band-type or annular pressure sensor 3 is attached to the catheter outer wall 7 to measure the bladder neck pressure. Through the catheter 3 ', after the A / D conversion by the digital pressure measuring device 10, it was configured to display (9). (iii) A 3-way stopcock (8) is installed between the urine discharge tube (1) and the urine discharge bag (1 ') connected to the urine discharge tube (1) at the center of the triple coronary body to measure the pressure during urination. The electrical signal converted by the pressure detector 12 is input to the CPU unit 10, processed into a digital signal, and displayed on the display unit 9 as a pressure value (cmHg).

도 3은 본 발명의 휴대용 방광압 및 방광경부압 측정을 위한 회로의 블럭 선도이다. 방광내부의 압력은 3-way stopcock(8)의 조작에 의해 배뇨의 흐름을 압력검출부(12)에서 검출하고, 방광경부의 압력은 CPU부(10)의 입력단에 내장된 압력센서(13)에서 검출하게 된다. 이러한 2채널의 압력신호는 난잡음(random noise)을 제거하고 원하는 압력신호만을 추출하는 압력신호 추출부(14)에 전달되고, 그리고 연결된 low pass filter부(15)에 의해서 잡음신호(측정 중 원치않은 환자의 기침, 호흡, 발성음, 그리고 움직임 잡음)에 의한 압력 드리프트를 제거하는 알고리듬 로직이 포함된 회로를 통과함으로서 본래의 방광내압과 방광경부압력만을 CPU부(10)가 포함된 마이크로 컴퓨터부에 입력된다. 이 때 마이크로 컴퓨터부에서는 신호를 증폭한 후, A/D하여 디스플레이부에 의해 측정된 압력값들을 표시한다. 또한 표시된 압력값들에 대한 24시간 동안의 압력변화 값들을 플라피디스크에 저장시킬 수 있으며, 실시간으로 컴퓨터 상에서 분석하고 프린터로 출력할 수 있도록 RS232C를 이용하여 마이크로 컴퓨터부와 컴퓨터를 연결시키게 된다. 한편, 압력신호의 문턱치 검출부(16)에서는 미리 설정된 압력범위를 벗어나는 경우를 연속적으로 체크하여, 설정범위를 벗어날 경우에 알람을 발생시키도록 알람부(17)를 두었다. Calibration 스위치부(10')에서는 본 휴대용 기기의 영점조정을 위해 필요하며 소변 배출되는 시점을 압력검출의 시작임을 알려주어 영점조절을 하게된다.3 is a block diagram of a circuit for portable bladder pressure and bladder neck pressure measurement of the present invention. The pressure inside the bladder detects the flow of urination in the pressure detector 12 by manipulating a 3-way stopcock 8, and the pressure in the bladder neck is detected by a pressure sensor 13 built in the input terminal of the CPU unit 10. Done. The two-channel pressure signal is transmitted to the pressure signal extraction unit 14 which removes random noise and extracts only the desired pressure signal, and the noise signal (the original value during measurement) by the connected low pass filter unit 15. The microcomputer section includes the CPU 10 only by passing the circuit including algorithm logic to remove pressure drift due to coughing, breathing, vocalization, and movement noise of the patient. Is entered. At this time, the microcomputer unit amplifies the signal and A / D to display the pressure values measured by the display unit. In addition, the pressure change values for the displayed pressure values for 24 hours can be stored in the floppy disk, and the RS232C is connected to the computer using RS232C for analysis on a computer and output to a printer in real time. On the other hand, the threshold detection unit 16 of the pressure signal is continuously checked for the case out of the preset pressure range, the alarm unit 17 is provided to generate an alarm when out of the setting range. Calibration switch (10 ') is necessary for the zero adjustment of the portable device and tells that the time of urine discharge is the beginning of pressure detection to adjust the zero point.

방광내압 검출부(12)에서는 뇨 bag(1')으로 배출되는 뇨량을 감지할 수 있어방광에 대한 일정 순간의 compliance 계산 및 평균 compliance를 측정할 수 있도록 알고리듬이 CPU부(10)에 포팅된다.The bladder internal pressure detection unit 12 can detect the amount of urine discharged into the urine bag 1 'so that the algorithm is ported to the CPU unit 10 so as to measure the compliance and the average compliance of the bladder at a certain moment.

본 고안에서는 종래의 방광내압 검사시에 나타나는 빈번한 추적검사로 인한 환자의 불편과 비용부담과 검사시 마다 검사실로 이동하여야 하는 등, 필요할 때 방광검사를 쉽게하기가 매우 불편한 여러 문제점들을 해결할 수 있는 디지탈 방식의 휴대용 방광내압 측정 시스템을 고안하였으며, 복압 측정을 위한 항문직장 카테터의 삽입이 없이, 간섭압력(기침, 대화, 호흡, 및 자세이동에 의한 압력변화) 제거 알고리듬이 포팅된 휴대용 방광압 및 방광경부압 모니터링 장치와 이를 위한 3중 관상체 구조의 방광카테터를 제공하게 된다. 따라서 종래의 일회성 측정방법이 아닌 휴대용 모니터링 장치를 카테터와 연결함으로서, 연속적인 모니터링이 가능하게 되며, 얻어진 데이터는 디스크에 저장되거나 RS232C로 컴퓨터에 전송되도록 하여 컴퓨터에서 분석 또는 출력할수 있는 효과가 있다.In the present invention, it is possible to solve various problems that it is very inconvenient to make bladder test easily when necessary, such as patient's discomfort and cost due to frequent follow-up tests that appear in conventional bladder pressure test A portable bladder pressure measurement system was devised, and a portable bladder pressure and cystoscope with an interference elimination algorithm (pressure change due to coughing, dialogue, breathing, and posture shifting) without the insertion of an anal rectal catheter for abdominal pressure measurement was ported. It provides a negative pressure monitoring device and a bladder catheter of the triple coronary structure for this. Therefore, by connecting a portable monitoring device with a catheter rather than a conventional one-time measuring method, continuous monitoring is possible, and the obtained data is stored on a disk or transmitted to a computer by RS232C, which can be analyzed or output from a computer.

Claims (3)

3중 관상체 구조의 방광압 및 방광경부압 측정 카테터 구조Catheter structure for bladder pressure and bladder neck pressure measurement of triple tubular structure 휴대용 방광압 및 방광경부압 연속 모니터링과 저장을 위한 디지탈부 구성Digital part configuration for continuous monitoring and storage of portable bladder and bladder neck pressure 방광압 측정을 위한 간섭압력 제거를 위한 에러교정 알고리듬 구성과 소변의Error Correction Algorithm for Interference Pressure Rejection and Bladder Pressure Measurement urine bag으로의 배출시 용적계산을 통한 방광의 탄력도 및 평균탄력도 측정Measurement of elasticity and average elasticity of bladder by volume calculation when discharged into urine bag 방법Way
KR1020020028172A 2002-05-21 2002-05-21 ambulatory monitoring device for bladder pressure and bladder neck pressure KR20030090171A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101380893B1 (en) * 2013-04-23 2014-04-02 (의료)길의료재단 Measurement device for urinary detrusor pressure
WO2014104689A1 (en) * 2012-12-31 2014-07-03 서강대학교산학협력단 Portable apparatus for monitoring urinary bladder internal pressure
KR101519608B1 (en) * 2014-03-04 2015-05-12 가천대학교 산학협력단 Measurement rod of measurement device for urinary detrusor pressure
KR20150096202A (en) 2014-02-14 2015-08-24 서강대학교산학협력단 Portable monitoring device for bladder pressure
KR20180007469A (en) 2016-07-13 2018-01-23 암페놀센싱코리아 유한회사 Measurement device for urinary detrusor pressure
CN109091709A (en) * 2017-06-21 2018-12-28 北京万生人和科技有限公司 Acquire the device and liquid drain control system of bladder pressure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990001212A1 (en) * 1988-07-22 1990-02-08 Zenith Electronics Corporation Method and apparatus of assuring interchangeability of shadow masks and front panels in the manufacture of color cathode ray tubes
WO1994002092A1 (en) * 1992-07-27 1994-02-03 The Procter & Gamble Company Sanitary napkin having a central acquisition zone
US20020065476A1 (en) * 2000-08-31 2002-05-30 Whalen Mark J. Diagnostic urethral assembly & method
US20020077680A1 (en) * 2000-12-15 2002-06-20 Alsius Temperature sensor adapter for foley catheters
KR20030009754A (en) * 2001-07-24 2003-02-05 김기웅 Safe balloon foley catheter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990001212A1 (en) * 1988-07-22 1990-02-08 Zenith Electronics Corporation Method and apparatus of assuring interchangeability of shadow masks and front panels in the manufacture of color cathode ray tubes
WO1994002092A1 (en) * 1992-07-27 1994-02-03 The Procter & Gamble Company Sanitary napkin having a central acquisition zone
US20020065476A1 (en) * 2000-08-31 2002-05-30 Whalen Mark J. Diagnostic urethral assembly & method
US20020077680A1 (en) * 2000-12-15 2002-06-20 Alsius Temperature sensor adapter for foley catheters
KR20030009754A (en) * 2001-07-24 2003-02-05 김기웅 Safe balloon foley catheter

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014104689A1 (en) * 2012-12-31 2014-07-03 서강대학교산학협력단 Portable apparatus for monitoring urinary bladder internal pressure
KR101431051B1 (en) * 2012-12-31 2014-08-21 서강대학교산학협력단 Portable monitoring device for bladder pressure
KR101380893B1 (en) * 2013-04-23 2014-04-02 (의료)길의료재단 Measurement device for urinary detrusor pressure
WO2014175601A1 (en) 2013-04-23 2014-10-30 가천대학교 산학협력단 Device for measuring urinary detrusor pressure
CN104717922A (en) * 2013-04-23 2015-06-17 嘉泉大学校产学协力团 Device for measuring urinary detrusor pressure
US9795336B2 (en) 2013-04-23 2017-10-24 Gachon University Of Industry-Academic Cooperation Foundation Device for measuring urinary detrusor pressure
KR20150096202A (en) 2014-02-14 2015-08-24 서강대학교산학협력단 Portable monitoring device for bladder pressure
KR101519608B1 (en) * 2014-03-04 2015-05-12 가천대학교 산학협력단 Measurement rod of measurement device for urinary detrusor pressure
KR20180007469A (en) 2016-07-13 2018-01-23 암페놀센싱코리아 유한회사 Measurement device for urinary detrusor pressure
CN109091709A (en) * 2017-06-21 2018-12-28 北京万生人和科技有限公司 Acquire the device and liquid drain control system of bladder pressure
CN109091709B (en) * 2017-06-21 2024-04-05 北京万生人和科技有限公司 Device for collecting bladder pressure and liquid drainage control system

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