CN105561409B - A kind of pressure detecting automatic urethral catheterization device - Google Patents
A kind of pressure detecting automatic urethral catheterization device Download PDFInfo
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- CN105561409B CN105561409B CN201510955713.8A CN201510955713A CN105561409B CN 105561409 B CN105561409 B CN 105561409B CN 201510955713 A CN201510955713 A CN 201510955713A CN 105561409 B CN105561409 B CN 105561409B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
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Abstract
The present invention provides a kind of pressure detecting automatic urethral catheterization device, the body of urethral catheterization interface tube, Y-type three way type joint, urine discharge interface, pressure detecting interface, pressure detector is connected including urethral catheterization interface tube, Y-type three way type joint, urine discharge interface, pressure detecting interface, pressure detector and some sections, it is characterised in that：Check valve is provided with urethral catheterization interface tube, Y-type three way type joint goes out to be respectively equipped with the first control valve, the second control valve and magnetic valve, in pressure detecting interface provided with can supplied gas by and the hydrophobic membrane that prevents tissue liquid from passing through, the pressure detecting interface lower end is provided with liquid-detecting.The advantage of the invention is that：The urethral catheterization device catheter conventional with clinic is used cooperatively, and is realized and is automatically controlled urination, removes the trouble of artificial nursing urination from；Check valve effectively prevents urine from flowing backwards, it is to avoid urine flows backwards the urinary tract infections brought；Hydrophobic membrane, effectively prevents urine reflux back to pressure sensor.
Description
Technical field
The present invention relates to medical instruments field, and in particular to urethral catheterization device, especially a kind of pressure detecting automatic urethral catheterization dress
Put.
Background technology
Current Clinical practice catheter is divided into two kinds：(once) catheter and self retaining catheter, and with indwelling catheter temporarily
It is leading to manage.Current indwelling catheter has two ways：Continue urethral catheterization and non-continuous urethral catheterization.Continue urethral catheterization to refer to insert catheter
Afterwards, make in bladder urine produce at any time to flow out everywhere；Non-continuous urethral catheterization, which refers to usually press from both sides, closes catheter, is urinated when there is urine to anticipate
(such as patient's insentience, then take the mode of timing urination), similar to intermittent urethral catheterization, main purpose is protection bladder function.
Intermittent urethral catheterization refers to, with suitable catheter, according to filling of bladder situation, empty once every urethral catheterization in 3-4 hours
Way.It is divided to two kinds of the intermittent urethral catheterization of aseptic and spatter property interrupted catheterization.Aseptic intermittent catheterization be in hospital by
Medical worker operates, and is used for needing the intermittent urethral catheterization of short-term progress with empty bladder, or/and promote the trouble of bladder functional rehabilitation
Person, such as the temporary retention of urine caused by nerve, obstructive or postanesthetic various reasons or emptying are incomplete, or ridge
Marrow is damaged the spinal shock phase of early stage, or for needing intermittent urethral catheterization patient early stage for a long time, to help patient to set up individuation
Intermittent urethral catheterization scheme.And self intermittent cleaning urethral catheterization is used for needing the long-term patient for receiving intermittent urethral catheterization, in doctor
Under raw guidance, patient oneself operates outside hospital, or completes urethral catheterization by family members' auxiliary.
Interrupted catheterization essence is to make bladder periodic dilation and emptying by urethral catheterization, maintains bladder approximate physiological conditions, is promoted
Enter the recovery of bladder function, re -training reflex bladder；Its key implemented is urethral catheterization opportunity --- arranged in filling of bladder
It is empty.Conventional method is that, by formulating drinking-water plan, to speculate the filling into machine, timing urination of bladder, conventional method needs medical care people
Member or household's timing urination, it is impossible to realize automatic urinating, to needing the long-term patient for carrying out interrupted catheterization, this method is excessively numerous
It is trivial and not safe enough.
A kind of structural representation for the abdominal pressure monitoring system for being used for clinic, including catheter, pressure sensor, and
The top of processor, wherein catheter is used to be retained in the bladder of patient, and the bottom of catheter is connected with urinal, catheter side
A capillary turned on catheter is also associated with wall, the end of capillary is connected with pressure sensor, realizes and passes through pressure
Sensor detects intravesical pressure.When in use, pressure sensor can detect intravesical pressure in real time and send out pressure value
Give processor, the pressure value real-time judge that processor is inputted according to pressure sensor, when intravesical pressure reach it is default
During bladder safe pressure, the magnetic valve on control evacuating catheter is opened, urinated；When intravesical pressure is decreased to default minimum
During value, closed electromagnetic valve is controlled, stops urination；By gathering bladder pressure in real time, and according to bladder pressure and abdominal pressure
Corresponding relation obtains abdominal pressure, it is achieved thereby that monitoring abdominal pressure while monitoring bladder pressure in real time.Above-mentioned monitoring
System problem present in Clinical practice is to connect catheter and sensor a capillary despite the use of, with as far as possible
Urine is avoided to flow into contaminant sensor, still, in order to realize the transmission of pressure, the capillary for being connected with pressure sensor is
Directly connected with evacuating catheter 22, when in pipe gas expand with heat and contract with cold or due to use during caused by the concussion that produces it is outer
Boundary's pressure increases or urine pressure increases and when causing that gas is compressed in capillary, still there is urine and enters hair by suck-back
The chance of tubule (urine reflux back) with may, once and urine flow to pressure sensor by capillary, may result in sensing sensitive
Degree declines even failure, not only directly affects the accuracy of the bladder pressure measured, also brings potential safety hazard for patient, in addition,
The urine of backflow can pollute pressure sensor, easily trigger cross-infection.The invention of 06 month Granted publication on the 17th in 2015 is special
Profit --- urethral catheterization device and abdominal pressure monitoring system (CN103055361B) are on the basis of above-mentioned urethral catheterization device, in capillary
Rear end have additional buffer air bag, when the gas in catheter because expand with heat and contract with cold or due to concussion cause ambient pressure increase or
Urine pressure increases when causing the gas in capillary to be compressed, and the gas in buffer air bag can then timely enter capillary work
For supplement, therefore, it is to avoid the urine in catheter is occurred by the phenomenon that suck-back enters in capillary (i.e. urine reflux back), but delays
The setting of qi of chong channel ascending adversely capsule so can not sensitively experience extraneous change, still can occur the phenomenon of urine reflux back, meanwhile, if
When gas leakage occurs for buffer air bag, the phenomenons such as pressure sensitive failure are also resulted in.
In order to more effectively effectively prevent urine reflux back to pressure sensor and initiation pressure faulty sensor, it is ensured that
The accuracy of bladder pressure that pressure sensor detection is obtained, also prevent pressure sensor by urine pollution, it is to avoid sensing
Device reuses and triggers cross-infection, while also avoiding the phenomenons such as the pressure failure of gas leakage generation, the present invention passes through hydrophobic membrane
To prevent urine from entering pressure sensor, above-mentioned phenomenon effectively prevent.
The content of the invention
In view of the above-mentioned problems, the present invention prevents urine from entering pressure sensor by hydrophobic membrane, by setting air-pressure type
Fluid pressure is converted into gas pressure by sensor, to realize intravesical piezometry, so as to realize by monitoring in bladder
Whether pressure reaches normal voiding standard to determine urination opportunity, closer to real physiological situation.
The present invention solves the technical scheme that is used of above-mentioned technical problem：A kind of pressure detecting automatic urethral catheterization device, bag
Include urethral catheterization interface tube, Y-type three way type joint, urine discharge interface, pressure detecting interface, pressure detector and some sections of connection urethral catheterization
Interface tube, Y-type three way type joint, urine discharge interface, pressure detecting interface, the body of pressure detector, it is characterised in that：This is led
Urine device also includes the catheter inserted into the patient being connected with the urethral catheterization interface tube, is connected with the urine discharge interface
Be used for collect the urine collection bag of urine, the urethral catheterization interface tube includes check valve and the first connecting tube, the check valve and first
Connecting tube is formed in one or is detachably connected, and the other end of first connecting tube is connected with the first of Y-type three way type joint
Mouth is flexibly connected, and first connecting tube is provided with the first control valve, the Y-type three way type joint close to the position of Y-type three way type joint
The second connector be connected with urine discharge interface by the second connecting tube, second connecting tube is close to Y-type three way type joint
Position is provided with magnetic valve, and the 3rd connector of the Y-type three way type joint is connected by the 3rd connecting tube with pressure detecting mouthful, described
The second control valve is provided with close to the position of Y-type three way type joint in 3rd connecting tube, the other end of the pressure detecting interface passes through
Body connects pressure detector；In the pressure detecting interface provided with can supplied gas by and prevent that tissue liquid passes through it is hydrophobic
Film, the pressure detecting interface lower end is provided with liquid-detecting.
Further, the check valve includes being provided with dividing plate and air cushion, institute in upper interface, lower interface and valve body, the valve body
Center on dividing plate and valve body fixation airtight connection, the valve body is stated to be provided with provided with some apertures around through hole, the through hole, it is described
Air cushion is " work " type structure, is set through through hole, and the upper end size of the air cushion is more than the size of through hole, the lower end of the air cushion
The size that size is held greatly thereon, and aperture is completely covered；Check valve can singly not prevent urine from flowing backwards, and cause patient's infection risk
Increase, while also having filtering function, when the urine for needing collection fresh is detected, urine can be directly removed from there.
Further, the hydrophobic membrane is poly tetrafluoroethylene；Poly tetrafluoroethylene is using completely hydrophobic by natural permanent
PTFE materials, under very low pressure difference, also can guarantee that humid air or other gases are gone everywhere without any hindrance here, and the aqueous solution then can not
Through..
Further, T-shaped three-way interface, electromagnetic release valve, inflator pump, air-pressure type sensor are included in the pressure detector
And controller, two interfaces in the T-shaped three-way interface connect pressure detecting interface, air-pressure type sensor respectively, described T-shaped
Another interface connection inflator pump and electromagnetic release valve of three-way interface.
Further, first control valve and second control valve are manual modulation valve, the first control during use
Valve and second control valve are long open state, convenient and swift using medical hand-held clip.
Further, the controller is electrically connected with the solenoid valve, and the opening and closing of magnetic valve pass through the setting in controller
Pressure automatically control, simulate human body automatic micturition, while the also manually controllable switch of the magnetic valve, for occurring during accident and
When urinate.
Further, the controller includes pressure acquisition module, central processing unit, alarm unit and memory cell, described
Pressure acquisition module is connected with air-pressure type sensor, and the pressure conversion of liquid is gas by a hydrophobic membrane by air-pressure type sensor
Pressure, and pressure value is transferred to pressure acquisition module, the data gathered by pressure acquisition module are sent to central processing
Device；Memory cell is connected with central processing unit, for storing bladder pressure during with identical urine storage amount, and the pressure value is remembered
Recall；The alarm unit is connected with central processing unit, when bladder pressure value is more than the pressure value remembered in memory cell, by honeybee
Ring alarm, points out medical personnel；The central processing unit is connected with magnetic valve, and magnetic valve is controlled by setup pressure value scope
Switch, when pressure be more than setting value when, magnetic valve open, when less than setting value lower limit, closed electromagnetic valve.
Further, the pressure detecting interface includes liquid-inlet, gas vent and pressure conversion chamber, the pressure conversion
The diameter of chamber is more than the diameter of liquid-inlet and the diameter of gas vent, and the diameter of the liquid-inlet is less than the straight of gas vent
Footpath, the hydrophobic membrane is located at pressure conversion intracavitary, and the edge of hydrophobic membrane is fixedly connected with the inwall of pressure conversion chamber.
Further, the liquid-inlet is flexibly connected with the 3rd connecting tube, and the gas vent is flexibly connected with body.
Further, the first connector of the Y-type three way type joint, the second connector and the 3rd connector connect respectively at first
Adapter, the second connecting tube and the 3rd connecting tube are flexibly connected.Each interface activity is connected, convenient more preferable, or integrated injection molding
's.
The advantage of the invention is that：1st, the urethral catheterization device that the present invention the is provided catheter conventional with clinic is used cooperatively, real
Show and automatically controlled urination, removed the trouble of artificial nursing urination from；2nd, urethral catheterization interface tube is equipped with various sizes of, it is adaptable to different
The catheter of model, while being provided with check valve in urethral catheterization interface tube, effectively prevents urine from flowing backwards, it is to avoid urine flows backwards what is brought
Urinary tract infections；3rd, pressure detecting interface, which goes out, uses hydrophobic membrane, effectively prevents that initiation pressure is passed urine reflux back to pressure sensor
Sensor failure, it is ensured that the accuracy for the bladder pressure that pressure sensor detection is obtained, also prevent pressure sensor by urine
Pollution, it is to avoid sensor reuses and triggers cross-infection, while also avoiding pressure failure that gas leakage produces etc.；4th, use
Air-pressure type pressure sensor, gas pressure is converted into by fluid pressure；5th, filled in pressure detecting interface lower end provided with liquid monitoring
Put, send after urine leakage and alarm.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of check valve of the present invention.
Fig. 3 is the structural representation of check valve internal partition of the present invention.
Fig. 4 is the structural representation of Y-type three way type interface of the present invention.
Fig. 5 is the structural representation of pressure detecting interface of the present invention.
Wherein：1st, urethral catheterization interface tube 2, Y-type three way type joint 3, urine discharge interface
4th, pressure detecting interface 5, pressure detector 6, body
7th, the first control valve 8, the second control valve 9, magnetic valve
101st, check valve 102, upper interface 103, lower interface 104, valve body 105, dividing plate 106, air cushion 107, through hole
108th, aperture
201st, the first connector 202, the second connector 203, the 3rd connector
401st, hydrophobic membrane 402, liquid-detecting 403, liquid-inlet 404, gas vent 405, pressure conversion chamber
501st, T-shaped three-way interface 502, electromagnetic release valve 503, inflator pump 504, air-pressure type sensor 505, controller
601st, the first connecting tube 602, the second connecting tube 603, the 3rd connecting tube
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
A kind of pressure detecting automatic urethral catheterization device, including urethral catheterization interface tube 1, Y-type three way type joint 2, urine discharge interface 3,
Pressure detecting interface 4, pressure detector 5 and some sections of connection urethral catheterization interface tubes 1, Y-type three way type joint 2, urine discharge interface 3,
The body 6 of pressure detecting interface 4, pressure detector 5, it is characterised in that：The urethral catheterization device also includes and the urethral catheterization interface tube 1
The catheter inserted into the patient of connection, the urine collection bag for being used to collect urine being connected with the urine discharge interface 3 is described
Urethral catheterization interface tube 1 includes the connecting tube 601 of check valve 101 and first, and the connecting tube 601 of check valve 101 and first is integrated into
Type is detachably connected, and the other end of first connecting tube 601 connects with the activity of the first connector 201 of Y-type three way type joint 2
Connect, first connecting tube 601 is provided with the first control valve 7 close to the position of Y-type three way type joint 2, the Y-type three way type joint 2
Second connector 202 is connected with urine discharge interface 3 by the second connecting tube 602, and second connecting tube 602 is close to Y types three
The position of pass joint 2 is provided with magnetic valve 9, and the 3rd connector 203 of the Y-type three way type joint 2 passes through the 3rd connecting tube 603 and pressure
Power detection mouth is connected, and the second control valve 8, the pressure are provided with close to the position of Y-type three way type joint 2 in the 3rd connecting tube 603
The other end of power detection interface 4 connects pressure detector 5 by body 6；In the pressure detecting interface 4 provided with can supplied gas lead to
The hydrophobic membrane 401 that tissue liquid passes through is crossed and prevents, the lower end of pressure detecting interface 4 is provided with liquid-detecting 402.
Further, the check valve 101 includes setting in upper interface 102, lower interface 103 and valve body 104, the valve body 104
There are dividing plate 105 and air cushion 106, the dividing plate 105 fixes center on airtight connection, the valve body 104 with valve body 104 and is provided with through hole
107, some apertures 108 are provided with around the through hole 107, the air cushion 106 is " work " type structure, is set through through hole 107, institute
The upper end size for stating air cushion 106 is more than the size of through hole 107, the size that the lower end size of the air cushion 106 is held greatly thereon, and
Aperture 108 is completely covered.
Further, the hydrophobic membrane 401 is poly tetrafluoroethylene.
Further, T-shaped three-way interface 501, electromagnetic release valve 502, inflator pump 503, gas are included in the pressure detector 5
Two interfaces in die mould sensor 504 and controller 505, the T-shaped three-way interface 501 connect respectively pressure detecting interface 4,
Air-pressure type sensor 504, another interface connection inflator pump 503 and electromagnetic release valve 502 of the T-shaped three-way interface 501.
Further, first control valve 7 and second control valve 8 are manual modulation valve.
Further, the controller 505 is electrically connected with magnetic valve 9.
Further, the controller 505 includes pressure acquisition module, central processing unit, alarm unit and memory cell, institute
State pressure acquisition module to be connected with air-pressure type sensor 504, air-pressure type sensor 504 is by a hydrophobic membrane 401 by the pressure of liquid
Power is converted to gas pressure, and pressure value is transferred into pressure acquisition module, and the data gathered by pressure acquisition module are passed
Deliver to central processing unit；Memory cell is connected with central processing unit, for storing bladder pressure during with identical urine storage amount, and
The pressure value is remembered；The alarm unit is connected with central processing unit, when bladder pressure value is more than what is remembered in memory cell
During pressure value, buzzing is alarmed, medical personnel are pointed out；The central processing unit is connected with magnetic valve 9, passes through setup pressure value model
Enclose to control the switch of magnetic valve 9, when pressure is more than setting value, magnetic valve 9 is opened, when less than setting value lower limit, electromagnetism
Valve 9 is closed.
Further, the pressure detecting interface 4 includes liquid-inlet 403, gas vent 404 and pressure conversion chamber 405, institute
The diameter for stating pressure conversion chamber 405 is more than the diameter of liquid-inlet 403 and the diameter of gas vent 404, the liquid-inlet 403
Diameter be less than gas vent 404 diameter, the hydrophobic membrane 401 be located at pressure conversion chamber 405 in, the edge of hydrophobic membrane 401
It is fixedly connected with the inwall of pressure conversion chamber 405.
Further, the liquid-inlet 403 is flexibly connected with the 3rd connecting tube 603, the gas vent 404 and body 6
It is flexibly connected.
Further, 203 points of the first connector 201 of the Y-type three way type joint 2, the second connector 202 and the 3rd connector
Not be flexibly connected in the first connecting tube 601, the second connecting tube 602 and the 3rd connecting tube 603.
Working method:
The first control valve 7, the second control valve 8 and magnetic valve 9 are closed when using, and urethral catheterization interface tube 1 is led with clinical
The outlet connection of urinary catheter, urine discharge interface 3 is connected with urine collection bag, then pressure detector 5 is opened, it is ensured that electromagnetism is deflated
Valve 502 and inflator pump 503 are closed, and the Pressure maximum value of filling of bladder under normal circumstances are inputted in pressure detector 5, while defeated
Enter the pressure value upper and lower bound of urine discharge, reached the pressure time scope of the upper limit, while according to the urination pressure of setting
Force value sets urination time, it is ready after, after catheter is inserted in bladder, open the first control valve 7 and the second control valve
8, treat that urine flow to pressure detecting interface 4, reach hydrophobic membrane 401, open magnetic valve 9, a whole set of urethral catheterization device is normally used.
Hydrophobic membrane 401 is provided with pressure detecting interface 4, hydrophobic membrane 401 uses poly tetrafluoroethylene, prevents urine from passing through,
Simultaneously in pressure detector 5 using air-pressure type pressure detector 5, by hydrophobic membrane 401 by the pressure transmission of urine to air, so
Air-pressure type pressure detector 5 collects air pressure afterwards, and is transferred to pressure acquisition module, and obtained bladder pressure data are sent to
Central processing unit, and pass through the switch of central processing unit control magnetic valve 9；If hydrophobic membrane 401 sends obstruction and causes pressure
Rise, when pressure detector 5 detects the Pressure maximum value that intravesical pressure is more than filling of bladder under normal circumstances, warning system
Unit starting, sends buzzing alarm, points out medical personnel or family numbers of patients manually opened magnetic valve 9 in time, urination in time, pressure
Power detects that interface 4, to be flexibly connected, is changed, while the size of pressure detecting interface 4 with upper lower tube body 6 during convenient transmission obstruction
With common woven hose, facilitate the use of patient.
The lower end of pressure detecting interface 4 is additionally provided with liquid-detecting 402, when urine leakage occurs for hydrophobic membrane 401, urine
Liquid reaches liquid-detecting 402, and when liquid-detecting 402, to have detected liquid flow fashionable, and signal is passed into centre
Device is managed, warning system unit starting sends buzzing alarm, points out medical personnel or family numbers of patients to occur urine leakage, in time
Pressure detecting interface 4 is changed, protects pressure detector 5 not to be contaminated.
The internal diameter of aperture 108 that urine passes through in check valve 101, and check valve 101 is provided with urethral catheterization interface tube 1 is about
0.01mm, can effectively stop solid particle, if aperture 108 blocks, when causing the urine to be unable to normal discharge, intravesical pressure
Power increases, when pressure detector 5 detects the Pressure maximum value that intravesical pressure is more than filling of bladder under normal circumstances, alarm system
System unit starting, sends buzzing alarm, points out medical personnel or family numbers of patients to change in time or direct by urethral catheterization interface tube 1
Separated with catheter, manually urination, it is to avoid patient increased pressure occurs and occurred surprisingly.
, can be by closing the first control valve 7 when stopping using catheter, the second control valve 8 and magnetic valve 9 are opened, beaten
Inflator pump 503 is driven, is inflated into urethral catheterization device, the urine discharge of residual in auxiliary urethral catheterization device.
Pressure acquisition error occurs using a period of time or new pressure detector 5, now using electromagnetic release valve
502 and inflator pump 503 use cooperatively, for correcting pressure detector 5.
Urethral catheterization interface tube 1 is equipped with the interface of some sizes, coordinates the catheter liquid outlet of clinical conventional model to use；
Y-type three way type joint 2 is integrally formed or is flexibly connected with three connecting tubes, and pressure detecting mouthful is flexibly connected with body 6, is easy to more
Change.
The urethral catheterization device can be also used for bladder and resume training, and central processing unit is also used to judging bladder pressure rise
When, continuation judges whether the bladder pressure is equal to or more than preset pressure, is equal to or more than if judged result is the bladder pressure
Preset pressure, then determine whether whether the bladder pressure is effective, wherein, it is described to judge whether the bladder pressure effectively refers to：
Judge whether the bladder pressure duration is equal to or more than the scheduled time, if judged result is the pressure duration etc.
In or more than the scheduled time, then effectively, otherwise the pressure is invalid for the pressure because sometimes bladder pressure be equal to or more than it is pre-
If pressure is caused by the extraneous factor of moment or patient body position's change, intravesical true pressure is not represented；Therefore,
Need to preset the duration of pressure, for example, the scheduled time may be set to 10 seconds, only the bladder pressure it is lasting when
Between be equal to or more than the scheduled time, just can prove that the bladder pressure is authentic and valid.
Pressure acquisition time interval is according to bladder pressure automatic data collection, it is ensured that while collection density, few collection as far as possible
Data, when the bladder pressure is less than the 30% of preset pressure, can set the time interval of collection as 3 minutes；When the bladder pressure
When power is the 30%-60% of preset pressure, the time interval of collection can be set as 1 minute；When the bladder pressure is preset pressure
60%-80% when, the time interval of collection can be set as 30 seconds；When the bladder pressure is the 80%-90% of preset pressure,
The time interval of collection can be set as 10 seconds；When the bladder pressure is more than the 90% of preset pressure, the time of collection can be set
At intervals of 5 seconds.
Memory module can store the urination time of daily patient, urination amount, using the form of RAM card, facilitate data
Replicate and extract, when needing to collect data for studying or analyzing, facilitate the use of doctor.Finally it should be noted that：With
Upper each embodiment is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：It can still be remembered to foregoing embodiments
The technical scheme of load is modified, or carries out equivalent substitution to which part or all technical characteristic；And these modification or
Person replaces, and the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of pressure detecting automatic urethral catheterization device, including the inspection of urethral catheterization interface tube, Y-type three way type joint, urine discharge interface, pressure
Interface, pressure detector and some sections of connection urethral catheterization interface tubes, Y-type three way type joint, urine discharge interface, pressure detectings are surveyed to connect
Mouth, the body of pressure detector, it is characterised in that：The urethral catheterization device also includes the insertion patient being connected with the urethral catheterization interface tube
Internal catheter, the urine collection bag for being used to collect urine being connected with the urine discharge interface, the urethral catheterization interface tube includes
Check valve and the first connecting tube, the check valve are formed in one or are detachably connected with the first connecting tube, and described first connects
The other end of adapter is flexibly connected with the first connector of Y-type three way type joint, and first connecting tube is close to Y-type three way type joint
Position is provided with the first control valve, and the second connector and the urine discharge interface of the Y-type three way type joint are connected by the second connecting tube
Connect, second connecting tube is provided with magnetic valve, the 3rd connector of the Y-type three way type joint close to the position of Y-type three way type joint
It is connected by the 3rd connecting tube with pressure detecting mouthful, second is provided with close to the position of Y-type three way type joint in the 3rd connecting tube
Control valve, the other end of the pressure detecting interface connects pressure detector by body；It is provided with the pressure detecting interface
Can supplied gas by and prevent the hydrophobic membrane that passes through of tissue liquid, the pressure detecting interface lower end is provided with liquid-detecting.
2. a kind of pressure detecting automatic urethral catheterization device according to claim 1, it is characterised in that：The check valve includes upper
Dividing plate and air cushion are provided with interface, lower interface and valve body, the valve body, the dividing plate fixes airtight connection, the valve with valve body
Center, which is provided with around through hole, the through hole, on body is provided with some apertures, and the air cushion is " work " type structure, is set through through hole,
The upper end size of the air cushion is more than the size of through hole, the size that the lower end size of the air cushion is held greatly thereon, and covers completely
Lid aperture.
3. a kind of pressure detecting automatic urethral catheterization device according to claim 1, it is characterised in that：The hydrophobic membrane is poly- four
Fluoride film.
4. a kind of pressure detecting automatic urethral catheterization device according to claim 1, it is characterised in that：In the pressure detector
Including T-shaped three-way interface, electromagnetic release valve, inflator pump, air-pressure type sensor and controller, two in the T-shaped three-way interface
Individual interface connects pressure detecting interface, air-pressure type sensor, another interface connection inflator pump of the T-shaped three-way interface respectively
And electromagnetic release valve.
5. a kind of pressure detecting automatic urethral catheterization device according to claim 1, it is characterised in that：First control valve and
Second control valve is manual modulation valve.
6. a kind of pressure detecting automatic urethral catheterization device according to claim 4, it is characterised in that：The controller and electromagnetism
Valve is electrically connected.
7. a kind of pressure detecting automatic urethral catheterization device according to claim 6, it is characterised in that：The controller includes pressure
Power acquisition module, central processing unit, alarm unit and memory cell, the pressure acquisition module are connected with air-pressure type sensor,
The pressure conversion of liquid is gas pressure by a hydrophobic membrane by air-pressure type sensor, and by gas pressure data transfer to pressure
Acquisition module, the data gathered by pressure acquisition module are sent to central processing unit；Memory cell is connected with central processing unit,
For storing bladder pressure during with identical urine storage amount, and the pressure value is remembered；The alarm unit and central processing unit
Connection, when bladder pressure value is more than the pressure value remembered in memory cell, buzzing is alarmed, medical personnel are pointed out；In described
Central processor is connected with magnetic valve, and the switch of magnetic valve is controlled by setup pressure value scope, when pressure is more than setting value,
Magnetic valve is opened, when less than setting value lower limit, closed electromagnetic valve.
8. a kind of pressure detecting automatic urethral catheterization device according to claim 1, it is characterised in that：The pressure detecting interface
Including liquid-inlet, gas vent and pressure conversion chamber, the diameter of the pressure conversion chamber is gentle more than the diameter of liquid-inlet
The diameter of body outlet, the diameter of the liquid-inlet is less than the diameter of gas vent, and the hydrophobic membrane is located at pressure conversion intracavitary,
The edge of hydrophobic membrane is fixedly connected with the inwall of pressure conversion chamber.
9. a kind of pressure detecting automatic urethral catheterization device according to claim 8, it is characterised in that：The liquid-inlet and
Three connecting tubes are flexibly connected, and the gas vent is flexibly connected with body.
10. a kind of pressure detecting automatic urethral catheterization device according to claim 1, it is characterised in that：The Y-type three way type joint
The first connector, the second connector and the 3rd connector respectively with the first connecting tube, the second connecting tube and the 3rd connecting tube live
Dynamic connection.
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| CN107185060A (en) * | 2017-06-02 | 2017-09-22 | 广州医科大学 | Urethral catheterization control device and method |
| CN107158490A (en) * | 2017-06-22 | 2017-09-15 | 江阴市人民医院 | A kind of drainage tube |
| CN107596464B (en) * | 2017-10-21 | 2019-12-31 | 信阳农林学院 | Medical catheterization external member |
| CN108543124B (en) * | 2018-05-24 | 2023-11-03 | 山东大正医疗器械股份有限公司 | Urinary drainage device and urinary drainage device comprising same |
| CN110339414B (en) * | 2019-06-27 | 2022-02-11 | 健帆生物科技集团股份有限公司 | Pressure detection device for blood purification system and medical equipment |
| US11752298B2 (en) | 2019-12-15 | 2023-09-12 | Advocath LLC | Self-intermittent urinary catheter extension with infection detection, a catheter assembly having an extension with infection detection and a catheter assembly having infection detection |
| US11752299B2 (en) | 2019-12-15 | 2023-09-12 | Advocath LLC | Self-intermittent urinary catheter extension with infection detection, a catheter assembly having an extension with infection detection and a catheter assembly having infection detection |
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