Method for measuring urinary resistance energy consumption during human urination
A technology of energy consumption and resistance loss, applied in urinary function evaluation, diagnostic recording/measurement, medical science, etc., can solve the problems of differences in the cross-sectional area of the external urethral orifice, difficulty in accurately calculating the maximum cross-sectional area, and inaccurate reflection. Achieve a wide range of applications
Inactive Publication Date: 2017-12-05
BEIJING JISHUITAN HOSPITAL
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Problems solved by technology
However, this method has the following problems: (1) There are individual differences in the cross-sectional area of the external opening of the urethra, and it changes from time to time during urination, and it is difficult to accurately calculate the maximum cross-sectional area
If the Bernolli viscous liquid microelement velocity equation is directly applied to the study of lower urinary tract urodynamics and other influencing factors are discarded, it will not be able to accurately reflect the real situation
In summary, the results obtained by the energy consumption equation during urination can only be estimated values, which are bound to be different from the actual situation
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[0030] The present invention will be further described in detail in conjunction with the following specific embodiments and accompanying drawings. The process, conditions, experimental methods, etc. for implementing the present invention, except for the content specifically mentioned below, are common knowledge and common knowledge in this field, and the present invention has no special limitation content.
[0031] figure 1 It is a schematic diagram of the method for measuring urethral resistance energy consumption during human urination according to the present invention.
[0032] The invention provides a method for measuring energy consumption of urethral resistance during human urination, comprising the following steps:
[0033] S1, during the urodynamic examination, the bladder 2 is perfused to micturition using the bladder double-lumen manometry tube 1 . like image 3 As shown, it is a schematic diagram of placing a bladder double-lumen manometry tube in the bladder, i...
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A method for measuring urethral resistance energy consumption during human urination, comprising the following steps: during urodynamic examination, placing a bladder double-chamber pressure measuring tube in the bladder, and placing a urethral external opening pressure measuring tube at the external opening of the urethra , the bladder is perfused through the bladder double-chamber pressure measuring tube until urination, and the data of bladder pressure, external urethral pressure and urine flow rate are obtained simultaneously, and the urination time and urine output are recorded; the bladder pressure, external urethral pressure and urine flow are obtained Calculate the urethral resistance loss pressure; obtain the urethral resistance power according to the urethral resistance loss pressure; establish the urethral resistance power map; obtain the measurement of urethral resistance energy consumption through the area in the urethral resistance power map. The invention can realize accurate measurement of urethral resistance energy consumption during urination, can realize quantitative analysis and comparison, and has wider application range.
Description
technical field [0001] The invention relates to a method for measuring human urination, in particular to a method for measuring urethral resistance energy consumption during human urination. Background technique [0002] Urodynamics is an interdisciplinary subject of modern medicine, biofluid mechanics, and biorheology. It is widely used in the basic research of many diseases such as urinary tract obstruction, urinary incontinence, and other urinary tract dysfunction. It is closely related to urology, obstetrics, and pediatrics. , Endocrinology, Neurology, Anorectal and other specialties are closely related. Bladder pressure-flow rate measurement is a fundamental test in urodynamic studies and is an important method for studying bladder volume, capacity, detrusor contractile function, urinary tract obstruction, and bladder response to medications. [0003] At present, the direct measurement and analysis indicators of conventional urodynamics are bladder pressure and abdomin...
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IPC IPC(8): A61B5/20
CPCA61B5/205A61B5/6852A61B5/6874A61B5/72A61B5/7271
Inventor 刘宁何峰满立波田伟
Owner BEIJING JISHUITAN HOSPITAL
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