The specific embodiment
Below through specific embodiment and combine accompanying drawing that the present invention is done further detailed description.
Embodiment one
Fig. 1 is the structural representation of monitoring system of bladder pressure and the abdominal pressure of the embodiment of the invention one.As shown in fig. 1, a kind of bladder pressure that the embodiment of the invention one provides and the monitoring system of abdominal pressure comprise:
Bladder pressure collecting unit 1, in order to be communicated with catheter 2 and to gather bladder pressure in real time, 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 the bladder pressure of being gathered, 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 bladder pressure and abdominal pressure in real time, wherein, this display unit 4 is preferably the OLED display screen.
The bladder pressure that present embodiment provided and the monitoring system of abdominal pressure; Can be through gathering bladder pressure in real time; And obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure; Thereby realized monitoring abdominal pressure in the monitoring bladder pressure in real time, therefore solved and to have understood the technical problem that intra-abdominal pressure changes in the prior art in time, safely.
On the basis of technique scheme; CPU 3 in the present embodiment also in order to the bladder pressure of being gathered and storage in advance have identical storage urine amount the time normal bladder pressure compare; To judge whether the bladder pressure of being gathered raises or reduction with respect to normal bladder pressure; Rising that so can be through bladder pressure or reduce rising or the reduction of judging abdominal pressure is indirectly operated so that carry out corresponding alarm through alarm unit (seeing also explanation hereinafter), wherein; Before this normal bladder pressure can be patient's art, the pressure that bladder is under the normal condition to be gathered.
As shown in Figure 1, on the basis of technique scheme, the bladder pressure of present embodiment and the monitoring system of abdominal pressure also comprise:
Memory element 5 is connected with CPU 3, in order to store above-mentioned normal bladder pressure when having identical storage urine amount in advance;
Alarm unit 6; Be connected with CPU 3, the bladder pressure gathered raises or when reducing, carry out alarm in order to judge when CPU 3; Wherein, Alarm unit 6 can comprise buzzer and/or warning lamp, and it can send difference and ring and/or warn when bladder pressure raises or reduce, with prompting patient or medical personnel.
On the basis of technique scheme; CPU 3 in the present embodiment is also in order to when judging the bladder pressure rising; Continue to judge whether this bladder pressure is equal to or greater than preset pressure,, judge further then whether this bladder pressure is effective if judged result is equal to or greater than preset pressure for this bladder pressure; Wherein, said preset pressure can be preferably 20 centimeter water column (cmH
2O), this is the comparatively safe pressure of bladder; Saidly judge whether this bladder pressure effectively is meant: judge whether the time that this bladder pressure continues is equal to or greater than the scheduled time; If judged result is equal to or greater than the scheduled time for the time that this pressure continues; Then this pressure is effective; Otherwise this pressure is invalid, this be because sometimes bladder pressure be equal to or greater than preset pressure be because of the extraneous factor of moment or patient body position change cause, do not represent intravesical true pressure.Therefore, need preestablish the persistent period of pressure, for example, this scheduled time can be set at 10 seconds, and the time of having only this bladder pressure to continue is 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 is set the interval that bladder pressure collecting unit 1 is gathered bladder pressure also in order to when judging whether this bladder pressure is equal to or greater than preset pressure, wherein:
When this bladder pressure less than preset pressure 30% the time, the interval that can set collection is 3 minutes;
When this bladder pressure was the 30%-60% of preset pressure, the interval that can set collection was 1 minute;
When this bladder pressure was the 60%-80% of preset pressure, the interval that can set collection was 30 seconds;
When this bladder pressure was the 80%-90% of preset pressure, the interval that can set collection was 15 seconds;
When this bladder pressure greater than preset pressure 90% the 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 present embodiment also comprises the urination apparatus that is connected with CPU 3 with the monitoring system of abdominal pressure, and this urination apparatus comprises:
Drainage bag 7 is in order to collect the urine of from bladder, discharging;
Electromagnetic valve 8, the input of this electromagnetic valve 8 is in order to be communicated with catheter 2, and 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 urinating, thereby can reduce bladder pressure; Help to reduce abdominal pressure simultaneously, wherein this electromagnetic valve 8 is preferably flexible pipe extrusion pressing type electromagnetic valve.
On the basis of technique scheme; CPU 3 in the present embodiment is also in order in the process of urinating; Judge whether the bladder pressure gathered reaches preset lowest threshold, if bladder pressure reaches said lowest threshold, then CPU 3 will be controlled electromagnetic valve 8 and close stopping and urinating.Wherein, Said preset lowest threshold is preferably the minimum pressure threshold value that can monitor abdominal pressure; Can either guarantee that so intravesical pressure is within the comparatively safe pressure of bladder all the time; And be not less than the minimum pressure threshold value that can monitor abdominal pressure again, thereby realized the higher low pressure of security performance storage urine simultaneously and low pressure is urinated and to the real-time monitoring of abdominal pressure.In addition; Owing to can also in time open or close urination apparatus according to the variation of intravesical pressure to patient stable in the ICU (abbreviation of Intensive Care Unit, i.e. serious symptom intensive care unit); Its operation principle is imitated Human Physiology storage urine, the process of urinating fully; Therefore can help the patient to keep original bladder function, prevent or delay the repeated infection of patient's urinary system, cystospasm, urinary tract 26S Proteasome Structure and Function to change, avoid of the threat of the discarded and above-mentioned situation of bladder function kidney; Improve patient's quality of life, prolonged patient's life span.
On the basis of technique scheme, the memory element 5 in the present embodiment is also in order to store parameters such as above-mentioned preset pressure, the scheduled time, preset lowest threshold in advance.
On the basis of technique scheme, the corresponding relation of bladder pressure described in the present embodiment and abdominal pressure can pass through function representation, and this function can obtain through following method:
To be in the urine emptying in the bladder under the normal condition through urination apparatus in advance; In the bladder of emptying, dividing several times to inject total amount again is to be no more than 100 milliliters normal saline; For example divide in the bladder of emptying that to inject total amount for 10 times be 100 milliliters normal saline; 10 milliliters of each injections; And behind bladder emptying and each injection normal saline, gather bladder pressure, and gather abdominal pressure through inserting Intraabdominal abdominal pressure collecting unit (not shown in the accompanying drawing) simultaneously through bladder pressure collecting unit 1; The bladder pressure that will at every turn collect then is as the Y axial coordinate, and abdominal pressure is drawn the relation curve of bladder pressure and abdominal pressure as the X axial coordinate, 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 the abdominal pressure; Can carry out above-mentioned acquisition test to the normal person of several (for example 100) all ages and classes sections and different sexes; And the meansigma methods of utilizing meansigma methods and the abdominal pressure of the bladder pressure collect obtains the function of the corresponding relation between accurate bladder pressure and abdominal pressure; For example; Through gathering and calculating, the bladder pressure that is obtained and the function of the corresponding relation between abdominal pressure can be the linear function of satisfying following relational expression:
Y=0.939X+1.482, wherein, X is an abdominal pressure, and Y is a 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 need to prove: because bladder capacity is when certain limit (filling volume is less than 100 milliliters); Only be considered to a kind of passive storage vault; Has higher compliance; Be similar to a passive diaphram; Can transmit Intraabdominal pressure and additional any point from the pressure of self detrusor meat, be shown in the part document at the beginning of the clinical research of relevant intra-abdominal pressure and bladder pressure dependency in recent years simultaneously, but up to the present only limited under single fixed volume research both linear relationships; Its scope of application is very narrow, and can in the certain volume scope, the variation by bladder pressure realize the dynamic real-time monitoring to abdominal pressure through the linear function that the present invention obtained.
On the basis of technique scheme; The bladder pressure of present embodiment and the monitoring system of abdominal pressure also comprise input setup unit (not shown in the accompanying drawing); This input setup unit is connected with CPU 3, is used to supply the user to import above-mentioned various parameter preset and according to user's needs said parameter preset is finely tuned.
On the basis of technique scheme; The bladder pressure of present embodiment also comprises PMU (not shown in the accompanying drawing) and AC adapter that is connected with this PMU respectively and rechargeable battery (not shown in the accompanying drawing) with the monitoring system of abdominal pressure; Said PMU is connected with CPU 3; Be used to select said AC adapter or said rechargeable battery that whole system is supplied power; And when the electric weight of this rechargeable battery is not enough, through said AC adapter to this rechargeable battery charging.
On the basis of technique scheme, the alarm unit 6 in the present embodiment also is equal to or greater than preset pressure and this pressure when effective in order to judge the bladder pressure of being gathered when CPU 3, carries out alarm.Wherein, alarm unit 6 can comprise buzzer and/or warning lamp, and it can send difference at bladder pressure and ring and/or warn near preset pressure or when reaching preset pressure, with prompting patient or medical personnel.For example, when alarm unit 6 was buzzer, when bladder pressure during for the first time near preset pressure, it was 1 second short ring that buzzer can send two vice-minister; When bladder pressure continues near preset pressure, can send length and be 1 second short ring, send once more in 3 seconds at interval, continue one minute, the patient can be through the button termination; When bladder pressure reaches preset pressure, sending length is 8 seconds piping, if the patient feels it is wrong report in 8 seconds, can end through button, is not interrupted if report to the police, 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 ran out of, it was 3 seconds short ring that buzzer also can send length, sends once more in 3 seconds at interval, continues one minute, changed battery or was battery charge with prompting patient or medical and nursing work person.
As shown in Figure 1, on the basis of technique scheme, be communicated with through capillary tube 9 between the bladder pressure collecting unit 1 in the present embodiment and the catheter 2; And bladder pressure collecting unit 1 is preferably the top that is positioned at catheter 2, and this capillary tube 9 takes the shape of the letter U, and an end is thicker; The other end is thinner, and these U-shaped capillary tube 9 thicker ends are communicated with catheter 2, and 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 are used so that bladder pressure collecting unit 1 can directly not contact with the urine in the catheter 2 when gathering bladder pressure, therefore for different patients; Need not to change 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 two
Fig. 2 is the schematic flow sheet of monitoring method of bladder pressure and the abdominal pressure of the embodiment of the invention two.As shown in Figure 2; The bladder pressure that the bladder pressure that the embodiment of the invention two is provided and the monitoring method of abdominal pressure can be provided through the invention described above embodiment one and the monitoring system of abdominal pressure are achieved, and the monitoring method of this bladder pressure and abdominal pressure may further comprise the steps:
Step 201, gather bladder pressure in real time through the bladder pressure collecting unit that is communicated with catheter, and show bladder pressure, wherein, this bladder pressure collecting unit is preferably low-pressure sensor;
Step 202, based on the bladder pressure of being gathered, obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure;
Step 203, show abdominal pressure in real time.
Wherein, in step 201 and step 203, can show described bladder pressure and abdominal pressure through display unit, this display unit is preferably the OLED display screen.
The bladder pressure that present embodiment provided and the monitoring method of abdominal pressure; Can be through gathering bladder pressure in real time; And obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure; Thereby realized monitoring abdominal pressure in the monitoring bladder pressure in real time, therefore solved and to have understood the technical problem that intra-abdominal pressure changes in the prior art in time, safely.
As shown in Figure 5, on the basis of technique scheme, present embodiment also comprises the function of the corresponding relation that obtains bladder pressure and abdominal pressure, wherein specifically may further comprise the steps:
Step 501, will be in the urine emptying in the bladder under the normal condition through urination apparatus in advance;
Step 502, in the bladder of emptying, to divide several times to inject total amount be to be no more than 100 milliliters normal saline; For example can be preferably: 10 injections of branch total amount is 100 milliliters a normal saline in the bladder of emptying; 10 milliliters of each injections; And behind bladder emptying and each injection normal saline, gather bladder pressure, and gather abdominal pressure through inserting Intraabdominal abdominal pressure collecting unit simultaneously through the bladder pressure collecting unit;
Step 503, the bladder pressure that will at every turn collect be as the Y axial coordinate, and abdominal pressure is as the X axial coordinate, draws the relation curve of bladder pressure and abdominal pressure, thus the function of the corresponding relation between acquisition bladder pressure and abdominal pressure.
In order to guarantee that above-mentioned function can accurately reflect the linear relationship between bladder pressure and the abdominal pressure; Can carry out above-mentioned acquisition test to the normal person of several (for example 100) all ages and classes sections and different sexes; And the meansigma methods of utilizing meansigma methods and the abdominal pressure of the bladder pressure collect obtains the function of the corresponding relation between accurate bladder pressure and abdominal pressure; For example; Through gathering and calculating, the bladder pressure that is obtained and the function of the corresponding relation between abdominal pressure can be the linear function of satisfying following relational expression:
Y=0.939X+1.482, wherein, X is an abdominal pressure, and Y is a 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 the bladder pressure collecting unit is collected, just can obtain the value of abdominal pressure X.
Wherein also need to prove: because bladder capacity is when certain limit (filling volume is less than 100 milliliters); Only be considered to a kind of passive storage vault; Has higher compliance; Be similar to a passive diaphram; Can transmit Intraabdominal pressure and additional any point from the pressure of self detrusor meat, be shown in the part document at the beginning of the clinical research of relevant intra-abdominal pressure and bladder pressure dependency in recent years simultaneously, but up to the present only limited under single fixed volume research both linear relationships; Its scope of application is very narrow, and can in the certain volume scope, the variation by bladder pressure realize the dynamic real-time monitoring to abdominal pressure through the linear function that the present invention obtained.
On the basis of technique scheme, the bladder pressure of present embodiment and the monitoring method of abdominal pressure also comprise being communicated with through the capillary tube that takes the shape of the letter U and the two ends thickness is different between bladder pressure collecting unit and the catheter, comprising:
Transmit medium at inner stuffing pressure capillaceous, for example air or silicone oil are used so that the bladder pressure collecting unit can directly not contact with the urine in the catheter when gathering bladder pressure; The end that capillary tube is thicker is communicated with catheter; The other end that capillary tube is thinner is connected with the bladder pressure collecting unit.So; For different patients, need not to change the bladder pressure collecting unit, greatly reduce the cost that large-scale promotion of the present invention is used; Simultaneously, 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 three
Fig. 3 is the schematic flow sheet of monitoring method of bladder pressure and the abdominal pressure of the embodiment of the invention three.As shown in Figure 3; The bladder pressure that the bladder pressure that the embodiment of the invention three is provided and the monitoring method of abdominal pressure can be provided through the invention described above embodiment one and the monitoring system of abdominal pressure are achieved, and the monitoring method of this bladder pressure and abdominal pressure may further comprise the steps:
Step 301, gather bladder pressure in real time through the bladder pressure collecting unit that is communicated with catheter, and show bladder pressure, wherein, this bladder pressure collecting unit is preferably low-pressure sensor;
Step 302, based on the bladder pressure of being gathered, obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure;
Step 303, show abdominal pressure in real time;
Step 304, with the bladder pressure of being gathered and storage in advance have identical storage urine amount the time normal bladder pressure compare, whether raise or reduce to judge the bladder pressure of being gathered, if judged result is for being; Then execution in step 305; If judged result then continues execution in step 304 for not, rising that so can be through bladder pressure or reduce rising or the reduction of judging abdominal pressure indirectly; So that carry out follow-up corresponding alarm operation; Wherein, before this normal bladder pressure can be patient's art, the pressure that bladder is under the normal condition to be gathered;
Step 305, carry out alarm through alarm unit, wherein, alarm unit can comprise buzzer and/or warning lamp, and it can send difference and ring and/or warn when bladder pressure raises or reduce, with prompting patient or medical personnel.
Wherein, in step 301 and step 303, can show described bladder pressure and abdominal pressure through display unit, this display unit is preferably the OLED display screen.
The bladder pressure that present embodiment provided and the monitoring method of abdominal pressure; Can be through gathering bladder pressure in real time; And obtain abdominal pressure, thereby realized monitoring abdominal pressure in monitoring bladder pressure in real time according to the corresponding relation of bladder pressure and abdominal pressure; And whether the bladder pressure that can judge the patient raises or reduces than normal value; Thereby whether the abdominal pressure that can judge the patient indirectly raises or reduces; Simultaneously can be when bladder pressure be unusual; Carry out alarm, therefore solved and to have understood the technical problem that intra-abdominal pressure changes in the prior art in time, safely.
As shown in Figure 5, on the basis of technique scheme, present embodiment also comprises the function of the corresponding relation that obtains bladder pressure and abdominal pressure, wherein specifically may further comprise the steps:
Step 501, will be in the urine emptying in the bladder under the normal condition through urination apparatus in advance;
Step 502, in the bladder of emptying, to divide several times to inject total amount be to be no more than 100 milliliters normal saline; For example can be preferably: 10 injections of branch total amount is 100 milliliters a normal saline in the bladder of emptying; 10 milliliters of each injections; And behind bladder emptying and each injection normal saline, gather bladder pressure, and gather abdominal pressure through inserting Intraabdominal abdominal pressure collecting unit simultaneously through the bladder pressure collecting unit;
Step 503, the bladder pressure that will at every turn collect be as the Y axial coordinate, and abdominal pressure is as the X axial coordinate, draws the relation curve of bladder pressure and abdominal pressure, thus the function of the corresponding relation between acquisition bladder pressure and abdominal pressure.
In order to guarantee that above-mentioned function can accurately reflect the linear relationship between bladder pressure and the abdominal pressure; Can carry out above-mentioned acquisition test to the normal person of several (for example 100) all ages and classes sections and different sexes; And the meansigma methods of utilizing meansigma methods and the abdominal pressure of the bladder pressure collect obtains the function of the corresponding relation between accurate bladder pressure and abdominal pressure; For example; Through gathering and calculating, the bladder pressure that is obtained and the function of the corresponding relation between abdominal pressure can be the linear function of satisfying following relational expression:
Y=0.939X+1.482, wherein, X is an abdominal pressure, and Y is a 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 the bladder pressure collecting unit is collected, just can obtain the value of abdominal pressure X.
Wherein also need to prove: because bladder capacity is when certain limit (filling volume is less than 100 milliliters); Only be considered to a kind of passive storage vault; Has higher compliance; Be similar to a passive diaphram; Can transmit Intraabdominal pressure and additional any point from the pressure of self detrusor meat, be shown in the part document at the beginning of the clinical research of relevant intra-abdominal pressure and bladder pressure dependency in recent years simultaneously, but up to the present only limited under single fixed volume research both linear relationships; Its scope of application is very narrow, and can in the certain volume scope, the variation by bladder pressure realize the dynamic real-time monitoring to abdominal pressure through the linear function that the present invention obtained.
On the basis of technique scheme, the bladder pressure of present embodiment and the monitoring method of abdominal pressure also comprise being communicated with through the capillary tube that takes the shape of the letter U and the two ends thickness is different between bladder pressure collecting unit and the catheter, comprising:
Transmit medium at inner stuffing pressure capillaceous, for example air or silicone oil are used so that the bladder pressure collecting unit can directly not contact with the urine in the catheter when gathering bladder pressure; The end that capillary tube is thicker is communicated with catheter; The other end that capillary tube is thinner is connected with the bladder pressure collecting unit.So; For different patients, need not to change the bladder pressure collecting unit, greatly reduce the cost that large-scale promotion of the present invention is used; Simultaneously, 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 four
Fig. 4 is the schematic flow sheet of monitoring method of bladder pressure and the abdominal pressure of the embodiment of the invention four.As shown in Figure 4; The bladder pressure that the bladder pressure that the embodiment of the invention four is provided and the monitoring method of abdominal pressure can be provided through the invention described above embodiment one and the monitoring system of abdominal pressure are achieved, and the monitoring method of this bladder pressure and abdominal pressure may further comprise the steps:
Step 401, gather bladder pressure in real time through the bladder pressure collecting unit that is communicated with catheter, and show bladder pressure, wherein, this bladder pressure collecting unit is preferably low-pressure sensor;
Step 402, based on the bladder pressure of being gathered, obtain abdominal pressure according to the corresponding relation of bladder pressure and abdominal pressure;
Step 403, show abdominal pressure in real time;
Step 404, with the bladder pressure of being gathered and storage in advance have identical storage urine amount the time normal bladder pressure compare, whether raise or reduce to judge the bladder pressure of being gathered, if judged result is for being; Then execution in step 405; If judged result then continues execution in step 404 for not, rising that so can be through bladder pressure or reduce rising or the reduction of judging abdominal pressure indirectly; So that carry out follow-up corresponding alarm operation; Wherein, before this normal bladder pressure can be patient's art, the pressure that bladder is under the normal condition to be gathered;
Step 405, carry out alarm through alarm unit, wherein, alarm unit can comprise buzzer and/or warning lamp, and it can send difference and ring and/or warn when bladder pressure raises or reduce, with prompting patient or medical personnel;
Step 406, when judging bladder pressure and raise; Further judge whether this bladder pressure is equal to or greater than preset pressure; If judged result is equal to or greater than preset pressure for this bladder pressure, then execution in step 407, otherwise continue execution in step 406; Wherein, said preset pressure can be preferably 20 centimeter water column (cmH
2O), this is the comparatively safe pressure of bladder;
Step 407, judge whether this bladder pressure is effective, if judged result be that this bladder pressure is effective, then execution in step 408, otherwise continuation execution in step 407;
Step 408, urinate through urination apparatus, wherein, this urination apparatus comprises drainage bag and electromagnetic valve; This drainage bag is in order to collect the urine of from bladder, discharging, and the input of this electromagnetic valve is in order to be communicated with catheter, and outfan is communicated with the drainage tube of drainage bag; This electromagnetic valve is being in order to judge this bladder pressure when effective, opens urinating, thereby can reduce bladder pressure; Help to reduce abdominal pressure simultaneously, wherein this electromagnetic valve can be preferably flexible pipe extrusion pressing type electromagnetic valve;
Step 409, in the process of urinating, judge whether the bladder pressure gathered reaches preset lowest threshold, if judged result is for being; Then execution in step 410; Otherwise continue execution in step 409, wherein, preset lowest threshold is preferably the minimum pressure threshold value that can monitor abdominal pressure;
Step 410, stop to urinate; Can either guarantee that so intravesical pressure is within the comparatively safe pressure of bladder all the time; And be not less than the minimum pressure threshold value that can monitor abdominal pressure again, thereby realized the higher low pressure of security performance storage urine simultaneously and low pressure is urinated and to the real-time monitoring of abdominal pressure.
Wherein, in step 401 and step 403, can show described bladder pressure and abdominal pressure through display unit, this display unit is preferably the OLED display screen.
The bladder pressure that present embodiment provided and the monitoring method of abdominal pressure; Can be through gathering bladder pressure in real time; And obtain abdominal pressure, thereby realized monitoring abdominal pressure in monitoring bladder pressure in real time according to the corresponding relation of bladder pressure and abdominal pressure; And whether the bladder pressure that can judge the patient raises or reduces than normal value; Thereby whether the abdominal pressure that can judge the patient indirectly raises or reduces; Simultaneously can be when bladder pressure be unusual; Carry out alarm, therefore solved and to have understood the technical problem that intra-abdominal pressure changes in the prior art in time, safely.In addition; Patient for stable in the ICU (abbreviation of Intensive Care Unit, i.e. serious symptom intensive care unit) can also in time open or close urination apparatus according to the variation of intravesical pressure; Its operation principle is imitated Human Physiology storage urine, the process of urinating fully; Thereby can help the patient to keep original bladder function, prevent or delay the repeated infection of patient's urinary system, cystospasm, urinary tract 26S Proteasome Structure and Function to change, avoid of the threat of the discarded and above-mentioned situation of bladder function kidney; Improve patient's quality of life, prolonged patient's life span.
As shown in Figure 5, on the basis of technique scheme, present embodiment also comprises the function of the corresponding relation that obtains bladder pressure and abdominal pressure, wherein specifically may further comprise the steps:
Step 501, will be in the urine emptying in the bladder under the normal condition through urination apparatus in advance;
Step 502, in the bladder of emptying, to divide several times to inject total amount be to be no more than 100 milliliters normal saline; For example can be preferably: 10 injections of branch total amount is 100 milliliters a normal saline in the bladder of emptying; 10 milliliters of each injections; And behind bladder emptying and each injection normal saline, gather bladder pressure, and gather abdominal pressure through inserting Intraabdominal abdominal pressure collecting unit simultaneously through the bladder pressure collecting unit;
Step 503, the bladder pressure that will at every turn collect be as the Y axial coordinate, and abdominal pressure is as the X axial coordinate, draws the relation curve of bladder pressure and abdominal pressure, thus the function of the corresponding relation between acquisition bladder pressure and abdominal pressure.
In order to guarantee that above-mentioned function can accurately reflect the linear relationship between bladder pressure and the abdominal pressure; Can carry out above-mentioned acquisition test to the normal person of several (for example 100) all ages and classes sections and different sexes; And the meansigma methods of utilizing meansigma methods and the abdominal pressure of the bladder pressure collect obtains the function of the corresponding relation between accurate bladder pressure and abdominal pressure; For example; Through gathering and calculating, the bladder pressure that is obtained and the function of the corresponding relation between abdominal pressure can be the linear function of satisfying following relational expression:
Y=0.939X+1.482, wherein, X is an abdominal pressure, and Y is a 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 the bladder pressure collecting unit is collected, just can obtain the value of abdominal pressure X.
Wherein also need to prove: because bladder capacity is when certain limit (filling volume is less than 100 milliliters); Only be considered to a kind of passive storage vault; Has higher compliance; Be similar to a passive diaphram; Can transmit Intraabdominal pressure and additional any point from the pressure of self detrusor meat, be shown in the part document at the beginning of the clinical research of relevant intra-abdominal pressure and bladder pressure dependency in recent years simultaneously, but up to the present only limited under single fixed volume research both linear relationships; Its scope of application is very narrow, and can in the certain volume scope, the variation by bladder pressure realize the dynamic real-time monitoring to abdominal pressure through the linear function that the present invention obtained.
On the basis of technique scheme, whether this bladder pressure of judging described in the step 406 is equal to or greater than preset pressure, further comprising the steps of:
When this bladder pressure less than preset pressure 30% the time, the interval of set gathering is 3 minutes;
When this bladder pressure was the 30%-60% of preset pressure, setting the interval of gathering was 1 minute;
When this bladder pressure was the 60%-80% of preset pressure, setting the interval of gathering was 30 seconds;
When this bladder pressure was the 80%-90% of preset pressure, setting the interval of gathering was 15 seconds;
When this bladder pressure greater than preset pressure 90% the time, the interval of set gathering is 7.5 seconds.
On the basis of technique scheme, judge that whether this bladder pressure is effective, specifically may further comprise the steps described in the step 407:
Judge whether the time that this bladder pressure continues is equal to or greater than the scheduled time;
If judged result is equal to or greater than the scheduled time for the time that this bladder pressure continues, then this bladder pressure is effective, otherwise this bladder pressure is invalid; This be because sometimes bladder pressure be equal to or greater than preset pressure be because of the extraneous factor of moment or patient body position change cause; Do not represent intravesical true pressure, therefore, need preestablish the persistent period of pressure; For example; This scheduled time can be set at 10 seconds, and the time of having only this bladder pressure to continue is 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 present embodiment and the monitoring method of abdominal pressure are further comprising the steps of:
The bladder pressure of gathering when judging is equal to or greater than preset pressure and this bladder pressure when effective; Carry out alarm through alarm unit; Wherein, Alarm unit can comprise buzzer and/or warning lamp, and it can send difference at bladder pressure and ring and/or warn near preset pressure or when reaching preset pressure, with prompting patient or medical personnel.For example, when alarm unit was buzzer, when bladder pressure during for the first time near preset pressure, it was 1 second short ring that buzzer can send two vice-minister; When bladder pressure continues near preset pressure, can send length and be 1 second short ring, send once more in 3 seconds at interval, continue one minute, the patient can be through the button termination; When bladder pressure reaches preset pressure, sending length is 8 seconds piping, if the patient feels it is wrong report in 8 seconds, can end through button, is not interrupted if report to the police, and then after 8 seconds, opens electromagnetic valve automatically and urinates.
On the basis of technique scheme, the bladder pressure of present embodiment and the monitoring method of abdominal pressure also comprise being communicated with through the capillary tube that takes the shape of the letter U and the two ends thickness is different between bladder pressure collecting unit and the catheter, comprising:
Transmit medium at inner stuffing pressure capillaceous, for example air or silicone oil are used so that the bladder pressure collecting unit can directly not contact with the urine in the catheter when gathering bladder pressure; The end that capillary tube is thicker is communicated with catheter; The other end that capillary tube is thinner is connected with the bladder pressure collecting unit.So; For different patients, need not to change the bladder pressure collecting unit, greatly reduce the cost that large-scale promotion of the present invention is used; Simultaneously, 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 be accomplished through the relevant hardware of programmed instruction.Aforesaid program can be stored in the computer read/write memory medium.This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above each embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.