CN102631191B - System and method for monitoring urinary bladder pressure and abdominal pressure - Google Patents
System and method for monitoring urinary bladder pressure and abdominal pressure Download PDFInfo
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- CN102631191B CN102631191B CN201210084275.9A CN201210084275A CN102631191B CN 102631191 B CN102631191 B CN 102631191B CN 201210084275 A CN201210084275 A CN 201210084275A CN 102631191 B CN102631191 B CN 102631191B
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Abstract
The invention discloses a system and method for monitoring urinary bladder pressure and abdominal pressure, wherein the method for monitoring urinary bladder pressure and abdominal pressure comprises the following steps of: timely acquiring the urinary bladder pressure by a urinary bladder pressure acquiring unit communicated with a urethral catheter, and displaying the urinary bladder pressure; based on the acquired urinary bladder pressure, obtaining the abdominal pressure according to the corresponding relationship between the urinary bladder pressure and the abdominal pressure; and timely displaying the abdominal pressure. The system and method disclosed by the invention can be used for timely acquiring the urinary bladder pressure and obtaining the abdominal pressure according to the corresponding relationship between the urinary bladder pressure and the abdominal pressure, so that the urinary bladder pressure and the abdominal pressure can be timely monitored simultaneously, therefore, the technical problem that the pressure change in the abdominal cavity can not be timely and safely known in the prior art is solved.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of monitoring system and the method for bladder pressure and abdominal pressure.
Background technology
Under normal condition, pressure in human abdominal cavity on average should be zero or approaching zero, but can cause Intraabdominal increased pressure at clinical middle numerous disease, cause reason and can be divided into acute factor and chronic factor, acute factor comprises the height expansion of hollow organ, the edema of abdominal visceral browser is oozed out, intraperitoneal hemorrhage, the factors such as use of wadding in abdomen; Chronic factor comprises the factors such as growth of tumor, Intraabdominal pressure continues to increase and can cause abdomen inner high voltage, it is dysuria patient, particularly has the incidence rate in the high-risk surgical patient of dysuria to be generally 5% to 40%, and severe patient can cause abdominal compartment syndrome.Abdominal compartment syndrome can cause the change of systemic blood flow power, simultaneously by the restriction to breathing, cause the functional defect of blood circulation, respiratory system, urination system, digestive system, when serious, can show as oliguria, anuria, dyspnea and even can cause multiple organ failure, MOF and threat to life.For the postoperative care of some patient with operation, measure and monitor the variation of its abdominal pressure, be also the important step that prevents post-operative complication and guarantee the smooth rehabilitation of patient.
Monitoring method for abdominal pressure in clinical has following several:
Direct manometry: directly manometry refers at intraperitoneal and places a conduit or thick needle, utilizes hydraulic pressure gauge or pressure transducer directly to measure abdominal pressure, also can adopt celioscope pneumoperitoneum machine, or utilize implantation aerating gasbag directly to carry out the mensuration of abdominal pressure;
Method of indirectly measuring blood pressure: method of indirectly measuring blood pressure refers to by measuring the pressure of rectum, stomach, postcava and bladder measures abdominal pressure indirectly, wherein the indirect pressure testing method of bladder is simple, practical, the golden standard of being known as in abdominal pressure Indirect Determination, concrete measuring method is to want first empty bladder, Bonding pressure sensor after normal saline reinjects, then get pubic symphysis place as zero point, end-tidal is measured;
Additive method: occurred again in recent years the pressure testing method that some are new, and for example, utilized the measuring blood pressure function of electrocardiogram monitor to realize the mensuration to intra-abdominal pressure.
Yet there is following defect in existing abdominal pressure monitoring method:
Although directly manometry pressure measurement is accurate, because having wound and susceptible risk cannot effectively be promoted;
Method of indirectly measuring blood pressure was all needing to intravesical saline injection before each pressure measurement, and can only interval pressure measurement and be easy to air inlet, gas leakage, and repeatable operation can be brought very large misery and infected risk to patient;
Utilize the pressure testing method of electrocardiogram monitor often to need to take the resource of cardiac monitoring measuring blood pressure, be also not easy to clinical expansion.
Therefore, at present in clinical care and treatment, it can only be the health according to custodial person, when confirming to obtain its abdominal pressure data, just use above means, that is to say, current clinical means still can not be realized the Real-Time Monitoring to abdominal pressure, incur loss through delay and miss treatment good opportunity probability very large.
Summary of the invention
The invention provides monitoring system and the method for a kind of bladder pressure and abdominal pressure, to solve in prior art, cannot understand in time, safely the technical problem that intra-abdominal pressure changes.
One aspect of the present invention provides the monitoring method of a kind of bladder pressure and abdominal pressure, and the method comprises:
By the bladder pressure collecting unit being communicated with catheter, gather in real time bladder pressure, and show this bladder pressure;
Bladder pressure based on gathered, obtains abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure;
Show in real time this abdominal pressure.
The present invention also provides the monitoring system of a kind of bladder pressure and abdominal pressure on the other hand, and this system comprises:
In order to be communicated with and to gather in real time the bladder pressure collecting unit of bladder pressure with catheter;
CPU, is connected with described bladder pressure collecting unit, in order to according to gathered bladder pressure, and obtains abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure;
Display unit, is connected with described CPU, in order to show in real time described bladder pressure and abdominal pressure.
Monitoring system and the method for a kind of bladder pressure provided by the present invention and abdominal pressure have following beneficial effect with respect to prior art:
The monitoring system of bladder pressure provided by the present invention and abdominal pressure and method, can pass through Real-time Collection bladder pressure, and obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure, thereby realized in Real-Time Monitoring bladder pressure and monitored abdominal pressure, therefore solved and in prior art, cannot understand in time, safely the technical problem that intra-abdominal pressure changes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bladder pressure of the embodiment of the present invention one and the monitoring system of abdominal pressure;
Fig. 2 is the schematic flow sheet of the bladder pressure of the embodiment of the present invention two and the monitoring method of abdominal pressure;
Fig. 3 is the schematic flow sheet of the bladder pressure of the embodiment of the present invention three and the monitoring method of abdominal pressure;
Fig. 4 is the schematic flow sheet of the bladder pressure of the embodiment of the present invention four and the monitoring method of abdominal pressure;
Fig. 5 is the decomposition step flow chart of the function of the acquisition bladder pressure of the embodiment of the present invention and the corresponding relation of abdominal pressure.
The specific embodiment
Below by specific embodiment, also the present invention is described in further detail by reference to the accompanying drawings.
Embodiment mono-
Fig. 1 is the structural representation of the bladder pressure of the embodiment of the present invention one and the monitoring system of abdominal pressure.As shown in fig. 1, a kind of bladder pressure that the embodiment of the present invention one provides and the monitoring system of abdominal pressure, comprising:
Bladder pressure collecting unit 1, in order to be communicated with catheter 2 and to gather in real time bladder pressure, wherein, this bladder pressure collecting unit 1 is preferably low-pressure sensor;
CPU 3, is connected with bladder pressure collecting unit 1, in order to according to gathered bladder pressure, and obtains abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure, and wherein, this CPU 3 can be single-chip microcomputer;
Display unit 4, is connected with CPU 3, and in order to show in real time bladder pressure and abdominal pressure, wherein, this display unit 4 is preferably OLED display screen.
The bladder pressure that the present embodiment provides and the monitoring system of abdominal pressure, can pass through Real-time Collection bladder pressure, and obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure, thereby realized in Real-Time Monitoring bladder pressure and monitored abdominal pressure, therefore solved and in prior art, cannot understand in time, safely the technical problem that intra-abdominal pressure changes.
On the basis of technique scheme, CPU 3 in the present embodiment is also in order to compare gathered bladder pressure with pre-stored normal bladder pressure while having identical urine storage amount, whether the bladder pressure being gathered with judgement raises or reduces with respect to normal bladder pressure, rising or the reduction that so can indirectly judge abdominal pressure by rising or the reduction of bladder pressure, to carry out corresponding alarm operation by alarm unit (referring to explanation hereinafter), wherein, this normal bladder pressure can be before operation in patients, the pressure that bladder gathers under normal condition.
As shown in Figure 1, on the basis of technique scheme, the bladder pressure of the present embodiment and the monitoring system of abdominal pressure also comprise:
Memory element 5, is connected with CPU 3, in order to pre-stored above-mentioned normal bladder pressure while having identical urine storage amount;
On the basis of technique scheme, CPU 3 in the present embodiment is also in order to when judging bladder pressure rising, continue to judge whether this bladder pressure is equal to or greater than preset pressure, if judgment result is that, this bladder pressure is equal to or greater than preset pressure, further judge that whether this bladder pressure is effective, wherein, described preset pressure can be preferably 20 centimeter water column (cmH
2o), this is the comparatively safe pressure of bladder; Describedly judge whether this bladder pressure effectively refers to: judge whether the lasting time of this bladder pressure is equal to or greater than the scheduled time, if judgment result is that, the lasting time of this pressure is equal to or greater than the scheduled time, this pressure is effective, otherwise this pressure is invalid, this be because sometimes bladder pressure to be equal to or greater than preset pressure be to cause because the extraneous factor of moment or patient body position change, do not represent intravesical true pressure.Therefore, need to preset the persistent period of pressure, for example, this scheduled time can be set as 10 seconds, only has the lasting time of this bladder pressure to be equal to or greater than this scheduled time, could prove that this bladder pressure is authentic and valid.
On the basis of technique scheme, the CPU 3 in the present embodiment, also in order to when judging whether this bladder pressure is equal to or greater than preset pressure, is set the interval that bladder pressure collecting unit 1 gathers bladder pressure, wherein:
When this bladder pressure be less than preset pressure 30% time, the interval that can set collection is 3 minutes;
When 30%-60% that this bladder pressure is preset pressure, the interval that can set collection is 1 minute;
When 60%-80% that this bladder pressure is preset pressure, the interval that can set collection is 30 seconds;
When 80%-90% that this bladder pressure is preset pressure, the interval that can set collection is 15 seconds;
When this bladder pressure be greater than preset pressure 90% time, the interval that can set collection is 7.5 seconds.
As shown in Figure 1, on the basis of technique scheme, the bladder pressure of the present embodiment also comprises with the monitoring system of abdominal pressure the urination apparatus being connected with CPU 3, and this urination apparatus comprises:
Drainage bag 7, in order to collect the urine of discharging from bladder;
Electromagnetic valve 8, the input of this electromagnetic valve 8 is in order to be communicated with catheter 2, outfan is communicated with the drainage tube 10 of drainage bag 7, and this electromagnetic valve 8 is connected with CPU 3, in order to judge this bladder pressure in CPU 3 when effective, under the control of this CPU 3, open to urinate, thereby can reduce bladder pressure, contribute to reduce abdominal pressure, wherein this electromagnetic valve 8 is preferably hose squeezing type electromagnetic valve simultaneously.
On the basis of technique scheme, CPU 3 in the present embodiment is also in order in the process of urinating, whether the bladder pressure that judgement gathers reaches default lowest threshold, if bladder pressure reaches described lowest threshold, CPU 3 closes control electromagnetic valve 8 to stop urinating.Wherein, described default lowest threshold is preferably the minimum pressure threshold value that can monitor abdominal pressure, can either guarantee that so intravesical pressure is all the time within the comparatively safe pressure in bladder, and be not less than again the minimum pressure threshold value that can monitor abdominal pressure, thereby realized the low pressure urine storage that security performance is higher and low pressure is urinated and the Real-Time Monitoring to abdominal pressure simultaneously.In addition, due to the ICU (abbreviation of Intensive Care Unit, being serious symptom intensive care unit) interior stable patient can also be according to the variation of intravesical pressure, open in time or close urination apparatus, its operation principle is imitated Human Physiology urine storage completely, the process of urinating, therefore can help patient to retain original bladder function, prevention or delay the repeated infection of patient's urinary system, cystospasm, urinary tract 26S Proteasome Structure and Function changes, avoid bladder function to discard and the threat of above-mentioned situation to kidney, improved patient's quality of life, extended patient's life span.
On the basis of technique scheme, the memory element 5 in the present embodiment, also in order to parameters such as pre-stored above-mentioned preset pressure, the scheduled time, default lowest thresholds.
On the basis of technique scheme, the corresponding relation of the bladder pressure described in the present embodiment and abdominal pressure can pass through function representation, and this function can obtain by the following method:
By urination apparatus, the urine in the bladder under normal condition is emptying in advance; To a minute several times total injection in emptying bladder, be to be no more than the normal saline of 100 milliliters again, it in emptying bladder minute 10 times total injections, is for example the normal saline of 100 milliliters, 10 milliliters of each injections, and in bladder after emptying and each saline injection, by bladder pressure collecting unit 1, gather bladder pressure, and by inserting Intraabdominal abdominal pressure collecting unit (attached not shown), gather abdominal pressure simultaneously; Then using the bladder pressure collecting at every turn as Y-axis coordinate, abdominal pressure, as X-axis coordinate, is drawn the relation curve of bladder pressure and abdominal pressure, thereby obtains the function of the corresponding relation between bladder pressure and abdominal pressure.
In order to guarantee that above-mentioned function can accurately reflect the linear relationship between bladder pressure and abdominal pressure, can for example, to the normal person of several (100) all ages and classes sections and different sexes, carry out above-mentioned acquisition test, and the function that utilizes the meansigma methods of bladder pressure collect and the meansigma methods of abdominal pressure to obtain the corresponding relation between accurate bladder pressure and abdominal pressure, for example, through gathering and calculating, the bladder pressure obtaining and the function of the corresponding relation between abdominal pressure can be the linear function that meets following relational expression:
Y=0.939X+1.482, wherein, X is abdominal pressure, and Y is bladder pressure, and 0.939 is correlation coefficient (being slope), and pressure unit is millimetres of mercury (mmHg).
So, need only the above-mentioned functional relation of value substitution of the bladder pressure Y that bladder pressure collecting unit 1 is collected, just can obtain the value of abdominal pressure X.
Wherein also it should be noted that: because bladder capacity is when certain limit (filling volume is less than 100 milliliters), only be considered to a kind of passive storage vault, there is higher compliance, be similar to a passive diaphram, can transmit Intraabdominal pressure and additional any point from the pressure of self detrusor meat, while is in recent years about the clinical research of intra-abdominal pressure and bladder pressure dependency just sees part document, but up to the present only limit to the research to both linear relationships under single fixed volume, its scope of application is very narrow, and the linear function obtaining by the present invention can the variation by bladder pressure realize the dynamic Real-Time Monitoring to abdominal pressure within the scope of certain volume.
On the basis of technique scheme, the bladder pressure of the present embodiment and the monitoring system of abdominal pressure also comprise input setup unit (attached not shown), this input setup unit is connected with CPU 3, for inputting above-mentioned various parameter preset and need to finely tune described parameter preset according to user for user.
On the basis of technique scheme, the bladder pressure of the present embodiment also comprises Power Management Unit (attached not shown) and the AC adapter being connected with this Power Management Unit respectively and rechargeable battery (attached not shown) with the monitoring system of abdominal pressure, described Power Management Unit is connected with CPU 3, be used for selecting described AC adapter or described rechargeable battery to power to whole system, and when the electric weight of this rechargeable battery is not enough, by described AC adapter, this rechargeable battery is charged.
On the basis of technique scheme, the alarm unit 6 in the present embodiment, is also equal to or greater than preset pressure and this pressure when effective in order to judge gathered bladder pressure when CPU 3, carries out alarm.Wherein, alarm unit 6 can comprise buzzer and/or warning lamp, and it can send different rings and/or warning when bladder pressure approaches preset pressure or reaches preset pressure, to point out patient or medical personnel.For example, when alarm unit 6 is buzzer, when bladder pressure approaches preset pressure for the first time, it is the short ring of 1 second that buzzer can send two vice-minister; When bladder pressure continues to approach preset pressure, can send length and be the short ring of 1 second, send for 3 seconds again at interval, continues one minute, and patient can end by button; When bladder pressure reaches preset pressure, sending length is 8 seconds piping, if patient feels it is wrong report in 8 seconds, can end by button, if reported to the police, is not interrupted, and 3 of CPU were opened electromagnetic valve 8 and urinated after 8 seconds.In addition, when the electric weight of above-mentioned rechargeable battery soon runs out of, it is the short ring of 3 seconds that buzzer also can send length, and send for 3 seconds again at interval, continues one minute, take and points out patient or medical and nursing work person to change battery or charge for battery.
As shown in Figure 1, on the basis of technique scheme, between bladder pressure collecting unit 1 in the present embodiment and catheter 2, by capillary tube 9, be communicated with, and bladder pressure collecting unit 1 is preferably the top that is positioned at catheter 2, this capillary tube 9 takes the shape of the letter U, and one end is thicker, the other end is thinner, one end that this U-shaped capillary tube 9 is thicker is communicated with catheter 2, the thinner other end is connected with bladder pressure collecting unit 1, and the inside of capillary tube 9 is filled with pressure transmission medium, for example air or silicone oil, with so that bladder pressure collecting unit 1 when gathering bladder pressure, can directly not contact with the urine in catheter 2, therefore for different patients, without changing bladder pressure collecting unit 1, greatly reduce the cost that large-scale promotion of the present invention is used, simultaneously, also having solved bladder pressure monitoring device of the prior art is to prevent that patient's cross infection from needing often to change the technical problem of bladder pressure collecting unit.
Embodiment bis-
Fig. 2 is the schematic flow sheet of the bladder pressure of the embodiment of the present invention two and the monitoring method of abdominal pressure.As shown in Figure 2, the bladder pressure that the bladder pressure that the embodiment of the present invention two provides and the monitoring method of abdominal pressure can provide by the invention described above embodiment mono-and the monitoring system of abdominal pressure are achieved, and the monitoring method of this bladder pressure and abdominal pressure comprises the following steps:
Wherein, in step 201 and step 203, can show described bladder pressure and abdominal pressure by display unit, this display unit is preferably OLED display screen.
The bladder pressure that the present embodiment provides and the monitoring method of abdominal pressure, can pass through Real-time Collection bladder pressure, and obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure, thereby realized in Real-Time Monitoring bladder pressure and monitored abdominal pressure, therefore solved and in prior art, cannot understand in time, safely the technical problem that intra-abdominal pressure changes.
As shown in Figure 5, on the basis of technique scheme, the present embodiment also comprises the function of the corresponding relation that obtains bladder pressure and abdominal pressure, wherein specifically comprises the following steps:
In order to guarantee that above-mentioned function can accurately reflect the linear relationship between bladder pressure and abdominal pressure, can for example, to the normal person of several (100) all ages and classes sections and different sexes, carry out above-mentioned acquisition test, and the function that utilizes the meansigma methods of bladder pressure collect and the meansigma methods of abdominal pressure to obtain the corresponding relation between accurate bladder pressure and abdominal pressure, for example, through gathering and calculating, the bladder pressure obtaining and the function of the corresponding relation between abdominal pressure can be the linear function that meets following relational expression:
Y=0.939X+1.482, wherein, X is abdominal pressure, and Y is bladder pressure, and 0.939 is correlation coefficient (being slope), and pressure unit is millimetres of mercury (mmHg).
So, need only the above-mentioned functional relation of value substitution of the bladder pressure Y that bladder pressure collecting unit is collected, just can obtain the value of abdominal pressure X.
Wherein also it should be noted that: because bladder capacity is when certain limit (filling volume is less than 100 milliliters), only be considered to a kind of passive storage vault, there is higher compliance, be similar to a passive diaphram, can transmit Intraabdominal pressure and additional any point from the pressure of self detrusor meat, while is in recent years about the clinical research of intra-abdominal pressure and bladder pressure dependency just sees part document, but up to the present only limit to the research to both linear relationships under single fixed volume, its scope of application is very narrow, and the linear function obtaining by the present invention can the variation by bladder pressure realize the dynamic Real-Time Monitoring to abdominal pressure within the scope of certain volume.
On the basis of technique scheme, the bladder pressure of the present embodiment and the monitoring method of abdominal pressure also comprise and being communicated with by the capillary tube taking the shape of the letter U and two ends thickness is different between bladder pressure collecting unit and catheter, comprising:
At inner stuffing pressure Transfer Medium capillaceous, for example air or silicone oil, use so that bladder pressure collecting unit can directly not contact with the urine in catheter when gathering bladder pressure; One end that capillary tube is thicker is communicated with catheter; The other end that capillary tube is thinner is connected with bladder pressure collecting unit.So, for different patients, without changing bladder pressure collecting unit, greatly reduce the cost that large-scale promotion of the present invention is used, meanwhile, also having solved bladder pressure monitoring method of the prior art is to prevent that patient's cross infection from needing often to change the technical problem of bladder pressure collecting unit.
Embodiment tri-
Fig. 3 is the schematic flow sheet of the bladder pressure of the embodiment of the present invention three and the monitoring method of abdominal pressure.As shown in Figure 3, the bladder pressure that the bladder pressure that the embodiment of the present invention three provides and the monitoring method of abdominal pressure can provide by the invention described above embodiment mono-and the monitoring system of abdominal pressure are achieved, and the monitoring method of this bladder pressure and abdominal pressure comprises the following steps:
Wherein, in step 301 and step 303, can show described bladder pressure and abdominal pressure by display unit, this display unit is preferably OLED display screen.
The bladder pressure that the present embodiment provides and the monitoring method of abdominal pressure, can pass through Real-time Collection bladder pressure, and obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure, thereby realized in Real-Time Monitoring bladder pressure, monitor abdominal pressure; And whether the bladder pressure that can judge patient raises or reduces than normal value, thereby whether the abdominal pressure that can indirectly judge patient raises or reduces, simultaneously can be when bladder pressure be abnormal, carry out alarm, therefore solved and in prior art, cannot understand in time, safely the technical problem that intra-abdominal pressure changes.
As shown in Figure 5, on the basis of technique scheme, the present embodiment also comprises the function of the corresponding relation that obtains bladder pressure and abdominal pressure, wherein specifically comprises the following steps:
In order to guarantee that above-mentioned function can accurately reflect the linear relationship between bladder pressure and abdominal pressure, can for example, to the normal person of several (100) all ages and classes sections and different sexes, carry out above-mentioned acquisition test, and the function that utilizes the meansigma methods of bladder pressure collect and the meansigma methods of abdominal pressure to obtain the corresponding relation between accurate bladder pressure and abdominal pressure, for example, through gathering and calculating, the bladder pressure obtaining and the function of the corresponding relation between abdominal pressure can be the linear function that meets following relational expression:
Y=0.939X+1.482, wherein, X is abdominal pressure, and Y is bladder pressure, and 0.939 is correlation coefficient (being slope), and pressure unit is millimetres of mercury (mmHg).
So, need only the above-mentioned functional relation of value substitution of the bladder pressure Y that bladder pressure collecting unit is collected, just can obtain the value of abdominal pressure X.
Wherein also it should be noted that: because bladder capacity is when certain limit (filling volume is less than 100 milliliters), only be considered to a kind of passive storage vault, there is higher compliance, be similar to a passive diaphram, can transmit Intraabdominal pressure and additional any point from the pressure of self detrusor meat, while is in recent years about the clinical research of intra-abdominal pressure and bladder pressure dependency just sees part document, but up to the present only limit to the research to both linear relationships under single fixed volume, its scope of application is very narrow, and the linear function obtaining by the present invention can the variation by bladder pressure realize the dynamic Real-Time Monitoring to abdominal pressure within the scope of certain volume.
On the basis of technique scheme, the bladder pressure of the present embodiment and the monitoring method of abdominal pressure also comprise and being communicated with by the capillary tube taking the shape of the letter U and two ends thickness is different between bladder pressure collecting unit and catheter, comprising:
At inner stuffing pressure Transfer Medium capillaceous, for example air or silicone oil, use so that bladder pressure collecting unit can directly not contact with the urine in catheter when gathering bladder pressure; One end that capillary tube is thicker is communicated with catheter; The other end that capillary tube is thinner is connected with bladder pressure collecting unit.So, for different patients, without changing bladder pressure collecting unit, greatly reduce the cost that large-scale promotion of the present invention is used, meanwhile, also having solved bladder pressure monitoring method of the prior art is to prevent that patient's cross infection from needing often to change the technical problem of bladder pressure collecting unit.
Embodiment tetra-
Fig. 4 is the schematic flow sheet of the bladder pressure of the embodiment of the present invention four and the monitoring method of abdominal pressure.As shown in Figure 4, the bladder pressure that the bladder pressure that the embodiment of the present invention four provides and the monitoring method of abdominal pressure can provide by the invention described above embodiment mono-and the monitoring system of abdominal pressure are achieved, and the monitoring method of this bladder pressure and abdominal pressure comprises the following steps:
Wherein, in step 401 and step 403, can show described bladder pressure and abdominal pressure by display unit, this display unit is preferably OLED display screen.
The bladder pressure that the present embodiment provides and the monitoring method of abdominal pressure, can pass through Real-time Collection bladder pressure, and obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure, thereby realized in Real-Time Monitoring bladder pressure, monitor abdominal pressure; And whether the bladder pressure that can judge patient raises or reduces than normal value, thereby whether the abdominal pressure that can indirectly judge patient raises or reduces, simultaneously can be when bladder pressure be abnormal, carry out alarm, therefore solved and in prior art, cannot understand in time, safely the technical problem that intra-abdominal pressure changes.In addition, for the ICU (abbreviation of Intensive Care Unit, being serious symptom intensive care unit) interior stable patient can also be according to the variation of intravesical pressure, open in time or close urination apparatus, its operation principle is imitated Human Physiology urine storage completely, the process of urinating, thereby can help patient to retain original bladder function, prevention or delay the repeated infection of patient's urinary system, cystospasm, urinary tract 26S Proteasome Structure and Function and change, avoid bladder function to discard and the threat of above-mentioned situation to kidney, improve patient's quality of life, extended patient's life span.
As shown in Figure 5, on the basis of technique scheme, the present embodiment also comprises the function of the corresponding relation that obtains bladder pressure and abdominal pressure, wherein specifically comprises the following steps:
In order to guarantee that above-mentioned function can accurately reflect the linear relationship between bladder pressure and abdominal pressure, can for example, to the normal person of several (100) all ages and classes sections and different sexes, carry out above-mentioned acquisition test, and the function that utilizes the meansigma methods of bladder pressure collect and the meansigma methods of abdominal pressure to obtain the corresponding relation between accurate bladder pressure and abdominal pressure, for example, through gathering and calculating, the bladder pressure obtaining and the function of the corresponding relation between abdominal pressure can be the linear function that meets following relational expression:
Y=0.939X+1.482, wherein, X is abdominal pressure, and Y is bladder pressure, and 0.939 is correlation coefficient (being slope), and pressure unit is millimetres of mercury (mmHg).
So, need only the above-mentioned functional relation of value substitution of the bladder pressure Y that bladder pressure collecting unit is collected, just can obtain the value of abdominal pressure X.
Wherein also it should be noted that: because bladder capacity is when certain limit (filling volume is less than 100 milliliters), only be considered to a kind of passive storage vault, there is higher compliance, be similar to a passive diaphram, can transmit Intraabdominal pressure and additional any point from the pressure of self detrusor meat, while is in recent years about the clinical research of intra-abdominal pressure and bladder pressure dependency just sees part document, but up to the present only limit to the research to both linear relationships under single fixed volume, its scope of application is very narrow, and the linear function obtaining by the present invention can the variation by bladder pressure realize the dynamic Real-Time Monitoring to abdominal pressure within the scope of certain volume.
On the basis of technique scheme, whether this bladder pressure that judges described in step 406 is equal to or greater than preset pressure, further comprising the steps of:
When this bladder pressure be less than preset pressure 30% time, the interval set gathering is 3 minutes;
When 30%-60% that this bladder pressure is preset pressure, setting the interval gathering is 1 minute;
When 60%-80% that this bladder pressure is preset pressure, setting the interval gathering is 30 seconds;
When 80%-90% that this bladder pressure is preset pressure, setting the interval gathering is 15 seconds;
When this bladder pressure be greater than preset pressure 90% time, the interval set gathering is 7.5 seconds.
On the basis of technique scheme, described in step 407, judge that whether this bladder pressure is effective, specifically comprise the following steps:
Judge whether the lasting time of this bladder pressure is equal to or greater than the scheduled time;
If judgment result is that, the lasting time of this bladder pressure is equal to or greater than the scheduled time, this bladder pressure is effective, otherwise this bladder pressure is invalid, this be because sometimes bladder pressure to be equal to or greater than preset pressure be to cause because the extraneous factor of moment or patient body position change, do not represent intravesical true pressure, therefore, need to preset the persistent period of pressure, for example, this scheduled time can be set as 10 seconds, only have the lasting time of this bladder pressure to be equal to or greater than this scheduled time, could prove that this bladder pressure is authentic and valid.
On the basis of technique scheme, the bladder pressure of the present embodiment and the monitoring method of abdominal pressure are further comprising the steps of:
When judging gathered bladder pressure, be equal to or greater than preset pressure and this bladder pressure when effective, by alarm unit, carry out alarm, wherein, alarm unit can comprise buzzer and/or warning lamp, it can send different rings and/or warning when bladder pressure approaches preset pressure or reaches preset pressure, to point out patient or medical personnel.For example, when alarm unit is buzzer, when bladder pressure approaches preset pressure for the first time, it is the short ring of 1 second that buzzer can send two vice-minister; When bladder pressure continues to approach preset pressure, can send length and be the short ring of 1 second, send for 3 seconds again at interval, continues one minute, and patient can end by button; When bladder pressure reaches preset pressure, sending length is 8 seconds piping, if patient feels it is wrong report in 8 seconds, can end by button, if reported to the police, is not interrupted, and at 8 seconds, automatically opens afterwards electromagnetic valve and urinates.
On the basis of technique scheme, the bladder pressure of the present embodiment and the monitoring method of abdominal pressure also comprise and being communicated with by the capillary tube taking the shape of the letter U and two ends thickness is different between bladder pressure collecting unit and catheter, comprising:
At inner stuffing pressure Transfer Medium capillaceous, for example air or silicone oil, use so that bladder pressure collecting unit can directly not contact with the urine in catheter when gathering bladder pressure; One end that capillary tube is thicker is communicated with catheter; The other end that capillary tube is thinner is connected with bladder pressure collecting unit.So, for different patients, without changing bladder pressure collecting unit, greatly reduce the cost that large-scale promotion of the present invention is used, meanwhile, also having solved bladder pressure monitoring method of the prior art is to prevent that patient's cross infection from needing often to change the technical problem of bladder pressure collecting unit.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of programmed instruction.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (15)
1. a monitoring method for bladder pressure and abdominal pressure, is characterized in that, the method comprises:
By the bladder pressure collecting unit being communicated with catheter, gather in real time bladder pressure, and show this bladder pressure;
Bladder pressure based on gathered, obtains abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure;
Show in real time this abdominal pressure;
The method also comprises the function of the corresponding relation that obtains bladder pressure and abdominal pressure, comprising:
By urination apparatus, the urine in the bladder under normal condition is emptying in advance;
To a minute several times total injection in emptying bladder, be to be no more than the normal saline of 100 milliliters, and in bladder after emptying and each saline injection, by described bladder pressure collecting unit, gather bladder pressure, and by inserting Intraabdominal abdominal pressure collecting unit, gather abdominal pressure simultaneously;
Using the bladder pressure collecting at every turn as Y-axis coordinate, abdominal pressure, as X-axis coordinate, is drawn the relation curve of bladder pressure and abdominal pressure, obtains the function of the corresponding relation between bladder pressure and abdominal pressure.
2. the monitoring method of bladder pressure according to claim 1 and abdominal pressure, is characterized in that, the method also comprises:
Gathered bladder pressure is compared with pre-stored normal bladder pressure while having identical urine storage amount, and whether the bladder pressure being gathered to judge raises or reduces;
If the determination result is YES, by alarm unit, carry out alarm.
3. the monitoring method of bladder pressure according to claim 2 and abdominal pressure, is characterized in that, the method also comprises:
When judging described bladder pressure rising, further judge whether this bladder pressure is equal to or greater than preset pressure;
If judgment result is that, this bladder pressure is equal to or greater than preset pressure, further judges that whether this bladder pressure is effective;
If judgment result is that, this bladder pressure is effective, by urination apparatus, urinates;
In the process of urinating, whether the bladder pressure that judgement gathers reaches default lowest threshold;
If the determination result is YES, stop urinating.
4. the monitoring method of bladder pressure according to claim 3 and abdominal pressure, is characterized in that, describedly judges that whether this bladder pressure is effective, comprising:
Judge whether the lasting time of this bladder pressure is equal to or greater than the scheduled time;
If judgment result is that, the lasting time of this bladder pressure is equal to or greater than the scheduled time, and this bladder pressure is effective.
5. the monitoring method of bladder pressure according to claim 1 and abdominal pressure, is characterized in that, described is to be no more than the normal saline of 100 milliliters to comprise in emptying bladder minute several times total injection:
To in emptying bladder minute 10 times total injections, be the normal saline of 100 milliliters, inject 10 milliliters at every turn.
6. the monitoring method of bladder pressure according to claim 1 and abdominal pressure, it is characterized in that, the function of the corresponding relation between described bladder pressure and abdominal pressure is linear function: Y=0.939X+1.482, wherein, X is abdominal pressure, and Y is bladder pressure, 0.939 is slope, pressure unit is millimetres of mercury, by the value substitution of collected bladder pressure Y, obtains the value of abdominal pressure X.
7. the monitoring method of bladder pressure according to claim 1 and abdominal pressure, is characterized in that, the method also comprises and being communicated with by the capillary tube taking the shape of the letter U and two ends thickness is different between described bladder pressure collecting unit and described catheter, comprising:
At described inner stuffing pressure Transfer Medium capillaceous;
One end that described capillary tube is thicker is communicated with described catheter;
The other end that described capillary tube is thinner is connected with described bladder pressure collecting unit.
8. according to the arbitrary described bladder pressure of claim 1 to 7 and the monitoring method of abdominal pressure, it is characterized in that, described bladder pressure collecting unit is low-pressure sensor.
9. a monitoring system for bladder pressure and abdominal pressure, is characterized in that, this system comprises:
In order to be communicated with and to gather in real time the bladder pressure collecting unit of bladder pressure with catheter;
CPU, is connected with described bladder pressure collecting unit, in order to according to gathered bladder pressure, and obtains abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure;
Display unit, is connected with described CPU, in order to show in real time described bladder pressure and abdominal pressure;
Between described bladder pressure collecting unit and catheter, by capillary tube, be communicated with, described capillary tube takes the shape of the letter U and two ends thickness difference, one end that this capillary tube is thicker is communicated with catheter, the thinner other end is connected with described bladder pressure collecting unit, and described inside capillaceous is filled with pressure transmission medium, use so that described bladder pressure collecting unit does not directly contact the urine in catheter.
10. the monitoring system of bladder pressure according to claim 9 and abdominal pressure, it is characterized in that, described CPU is also in order to compare gathered bladder pressure with pre-stored normal bladder pressure while having identical urine storage amount, whether the bladder pressure being gathered to judge raises or reduce.
The monitoring system of 11. bladder pressures according to claim 10 and abdominal pressure, is characterized in that, this system also comprises:
Memory element, is connected with described CPU, the normal bladder pressure when having identical urine storage amount described in pre-stored;
Alarm unit, is connected with described CPU, when raising or reducing in order to judge gathered bladder pressure when described CPU, carries out alarm.
The monitoring system of 12. bladder pressures according to claim 10 and abdominal pressure, it is characterized in that, described CPU is also in order to when judging described bladder pressure rising, continue to judge whether this bladder pressure is equal to or greater than preset pressure, if judgment result is that, this bladder pressure is equal to or greater than preset pressure, further judges that whether this bladder pressure is effective.
The monitoring system of 13. bladder pressures according to claim 12 and abdominal pressure, is characterized in that, this system also comprises the urination apparatus being connected with described CPU, and this urination apparatus comprises:
Drainage bag, in order to collect the urine of discharging from bladder;
Electromagnetic valve, the input of this electromagnetic valve is in order to be communicated with catheter, and the outfan of this electromagnetic valve is communicated with described drainage bag, this electromagnetic valve, in order to judge this bladder pressure in described CPU when effective, is opened to urinate under the control of this CPU.
The monitoring system of 14. bladder pressures according to claim 13 and abdominal pressure, it is characterized in that, described CPU is also in order in the process of urinating, whether the bladder pressure that judgement gathers reaches default lowest threshold, if described bladder pressure reaches described lowest threshold, described in described central processing unit controls, closed electromagnetic valve is urinated stopping.
15. according to the arbitrary described bladder pressure of claim 9 to 14 and the monitoring system of abdominal pressure, it is characterized in that, described bladder pressure collecting unit is low-pressure sensor.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210084275.9A CN102631191B (en) | 2012-03-27 | 2012-03-27 | System and method for monitoring urinary bladder pressure and abdominal pressure |
| PCT/CN2013/071568 WO2013143361A1 (en) | 2012-03-27 | 2013-02-08 | System and method for monitoring bladder and abdominal pressures, and bladder function recovery system |
| EP13770018.3A EP2832290A4 (en) | 2012-03-27 | 2013-02-08 | System and method for monitoring bladder and abdominal pressures, and bladder function recovery system |
| US14/213,415 US9101314B2 (en) | 2012-03-27 | 2014-03-14 | System and method for monitoring bladder and abdominal pressures, and bladder function recovery system |
| US14/821,225 US9782115B2 (en) | 2012-03-27 | 2015-08-07 | System and method for monitoring bladder and abdominal pressures, and bladder function recovery system |
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| CN201210084275.9A CN102631191B (en) | 2012-03-27 | 2012-03-27 | System and method for monitoring urinary bladder pressure and abdominal pressure |
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| CN102631191A CN102631191A (en) | 2012-08-15 |
| CN102631191B true CN102631191B (en) | 2014-04-23 |
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| WO2013143361A1 (en) * | 2012-03-27 | 2013-10-03 | 苏州达维生物医药有限公司 | System and method for monitoring bladder and abdominal pressures, and bladder function recovery system |
| CN103055361B (en) * | 2013-01-05 | 2015-06-17 | 苏州达维生物医药有限公司 | Urethral catheterization device and abdominal pressure monitoring system |
| KR101380893B1 (en) * | 2013-04-23 | 2014-04-02 | (의료)길의료재단 | Measurement device for urinary detrusor pressure |
| CN103393430A (en) * | 2013-08-08 | 2013-11-20 | 上海赛琅医药科技有限公司 | Urodynamic analyzer |
| CN104068843B (en) * | 2014-07-09 | 2017-01-11 | 江苏苏云医疗器材有限公司 | Portable bladder pressure training device |
| CN111657863B (en) * | 2014-09-28 | 2023-10-20 | 波特雷罗医疗公司 | Systems, devices, and methods for sensing physiological data, draining, and analyzing bodily fluids |
| CN105268036A (en) * | 2015-09-15 | 2016-01-27 | 上海康德莱企业发展集团医疗器械有限公司 | Catheter with automatic pressure relief function |
| CN105664272A (en) * | 2016-04-12 | 2016-06-15 | 南通大学附属医院 | Drainage liquid rapid monitoring system special for thyroid and mammary gland surgical postoperation |
| CN111657911A (en) * | 2020-06-30 | 2020-09-15 | 四川大学华西医院 | Method applied to monitoring intra-abdominal pressure of severe patient |
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