CN112773950A - Indwelling manometric catheterization device, bladder monitor using same and application method - Google Patents
Indwelling manometric catheterization device, bladder monitor using same and application method Download PDFInfo
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- CN112773950A CN112773950A CN202110004653.7A CN202110004653A CN112773950A CN 112773950 A CN112773950 A CN 112773950A CN 202110004653 A CN202110004653 A CN 202110004653A CN 112773950 A CN112773950 A CN 112773950A
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- 210000002700 urine Anatomy 0.000 claims description 111
- 238000012544 monitoring process Methods 0.000 claims description 58
- 230000002485 urinary effect Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
- A61B5/202—Assessing bladder functions, e.g. incontinence assessment
- A61B5/205—Determining bladder or urethral pressure
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- A61B5/207—Sensing devices adapted to collect urine
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- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
- A61B5/6853—Catheters with a balloon
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- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/6874—Bladder
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- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
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- A61M25/00—Catheters; Hollow probes
- A61M2025/0001—Catheters; Hollow probes for pressure measurement
- A61M2025/0003—Catheters; Hollow probes for pressure measurement having an additional lumen transmitting fluid pressure to the outside for measurement
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- A61M2205/3393—Masses, volumes, levels of fluids in reservoirs, flow rates by weighing the reservoir
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Abstract
The invention discloses an indwelling manometric urethral catheterization device and a system and a method applying the urethral catheterization device, comprising the following steps: the first urethral catheterization mechanism is provided with three channels of an integrated structure at one side matched with the human bladder so as to define a first urethral catheterization cavity, a pressure measuring cavity and a water injection cavity which are communicated in the first urethral catheterization mechanism, and one side of the first urethral catheterization mechanism, which is far away from the human bladder, is of a split structure so as to obtain a first urethral catheter, a pressure measuring tube and a water injection tube which are matched with the first urethral catheterization cavity, the pressure measuring cavity and the first gas injection cavity; the first pressure measuring film is arranged on the pressure measuring pipe; the front end of the first urethral catheterization mechanism is respectively provided with a pressure measuring bubble and a water bag which are matched with each other; and the pressure measuring pipe and the water injection pipe are provided with first notches at the positions matched with the pressure measuring bubbles and the inside of the water bag. The invention provides an indwelling manometric urethral catheterization device, a system and a method applying the urethral catheterization device, which can effectively avoid or reduce the complications of the bladder of a patient caused by the traditional indwelling urethral catheterization technology.
Description
Technical Field
The invention relates to postoperative clinical monitoring equipment. More particularly, the invention relates to an indwelling manometric catheterization device for clinical urination monitoring, a bladder monitor using the device and an application method.
Background
At present, most of clinical catheterization adopts an indwelling catheter and a urine collecting bag. Urine metabolized by the kidney is directly led into the urine collection bag through the indwelling catheter. The bladder is left empty for a long period of time. However, the physiological laws of the bladder require that the bladder must alternately maintain "filling" and "emptying". If the bladder is in an emptying state for a long time, the bladder is difficult to restore to the normal capacity before the catheter is placed after the catheter is pulled out, and the function of the bladder is affected. If the bladder is in the filling state for a long time and the bladder is not emptied in time, the pressure in the bladder exceeds the normal range, the bladder and the upper urinary tract are damaged, and other complications are caused, so that the urinary catheterization device and the bladder monitor which can monitor the urine volume of the bladder in real time so as to discharge in the filling state and prevent the bladder from being in the emptying state for a long time are needed.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
To achieve these objects and other advantages in accordance with the present invention, there is provided an indwelling manometric urinary catheterization apparatus comprising:
the first urethral catheterization mechanism is provided with three channels of an integrated structure at one side matched with the human bladder so as to define a first urethral catheterization cavity, a pressure measuring cavity and a water injection cavity which are communicated in the first urethral catheterization mechanism, and one side of the first urethral catheterization mechanism, which is far away from the human bladder, is of a split structure so as to obtain a first urethral catheter, a pressure measuring tube and a water injection tube which are matched with the first urethral catheterization cavity, the pressure measuring cavity and the water injection cavity;
the first pressure measuring film is arranged on the pressure measuring pipe;
the front end of the first urethral catheterization mechanism is respectively provided with a pressure measuring bubble and a water bag which are matched with each other;
and the pressure measuring pipe and the water injection pipe are provided with first notches at the positions matched with the pressure measuring bubbles and the inside of the water bag.
An indwelling manometric urinary catheterization device comprising:
the second urethral catheterization mechanism is provided with two channels which are integrally structured on one side matched with the human bladder so as to define a second urethral catheterization cavity and an air injection cavity which are communicated in the second urethral catheterization mechanism, and one side of the second urethral catheterization mechanism, which is far away from the human bladder, is of a split structure so as to obtain a second urethral catheter and an air injection pipe which are matched with the second urethral catheterization cavity and the air injection cavity;
the second pressure measurement film is arranged on the gas injection pipe;
wherein the front end of the second catheterization mechanism is provided with an air bag;
and a second notch is formed in the position, matched with the inner part of the air bag, of the air injection pipe.
Preferably, the water injection pipe and the gas injection pipe are respectively provided with a first valve which is matched with each other.
Preferably, the pressure measuring pipe is provided with a second valve matched with the pressure measuring pipe.
A bladder monitor indwelling a pressure catheterizing device, further comprising a monitoring host cooperating with the pressure catheterizing device, configured to include:
a panel;
pressure measuring sensors arranged on the panel to match with the pressure measuring films;
a pinch valve disposed on the panel to mate with the catheter;
a weighing sensor arranged on the panel to match with the urine collecting bag on the catheter;
the pressure sensor, the weighing sensor and the pinch valve are all configured to be in communication connection with a control unit of a host;
the panel is also provided with a display unit and an operation unit which are matched with each other.
Preferably, the ultrasonic monitoring mechanism is matched with the control unit and is configured to comprise:
the ultrasonic sensor is contacted with the human bladder through a wearing or bonding structure;
and the cable is used for connecting the ultrasonic sensor with an interface on the control unit.
A method of measuring bladder urine volume using an indwelling manometric catheterization system, comprising:
step one, after each catheterization mechanism is placed in a bladder, each pressure measuring membrane is arranged to be matched with a pressure measuring sensor, and then a real-time pressure value in the bladder is obtained through a monitoring host;
step two, comparing the real-time pressure value with an upper limit value of pressure stored in the monitoring host, if the real-time pressure value exceeds the set upper limit value of pressure, controlling the pinch valve to be in an open state by the monitoring host, and outputting collected liquid to the urine collection bag through the urinary catheter by the bladder;
and step three, the monitoring host monitors the bladder pressure in real time through the pressure sensor, and when the pressure value of the monitoring host is lower than the lower limit value of the pressure stored in the monitoring host, the monitoring host controls the pinch valve to be in a closed state, and the catheter does not output collected liquid to the urine collection bag any more.
A method of measuring bladder urine volume using an indwelling manometric catheterization system, comprising:
the method comprises the following steps that firstly, after each urethral catheterization mechanism is placed in a bladder, an ultrasonic sensor is fixed on the upper edge of the pubic symphysis of a patient, and then a real-time urine value in the bladder is obtained through a monitoring host;
step two, comparing the real-time urine quantity value with the upper limit value of the urine quantity value stored in the monitoring host, if the real-time urine quantity value exceeds the set upper limit value of the urine quantity value, controlling the pinch valve to be in an open state by the monitoring host, and outputting collected liquid to the urine collecting bag through the urinary catheter by the bladder;
and step three, the monitoring host monitors the urine value of the bladder in real time through the ultrasonic sensor, and when the urine value is lower than the lower limit value of the urine value stored in the monitoring host, the monitoring host controls the pinch valve to be in a closed state, and the catheter does not output collected liquid to the urine collecting bag any more.
The invention at least comprises the following beneficial effects: firstly, the structure of the traditional catheter is improved, so that the filling state of the bladder can be considered when the catheter is used, and the complications of the bladder of a patient caused by the traditional indwelling catheterization technology can be effectively avoided or alleviated during postoperative observation or other occasions using the catheter.
Secondly, the invention realizes the monitoring of the pressure of the bladder or the urine volume in the bladder, automatically realizes the emptying and filling processes of the bladder, keeps the normal physiological activity of the bladder and achieves the aim of protecting the bladder by the bladder monitor of the indwelling pressure measuring and urethral catheterization device.
Thirdly, the invention provides a method for applying the bladder monitor, which monitors the pressure or urine volume of the bladder in real time in a pressure or ultrasonic mode to play a role in protecting the bladder.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a three-lumen catheterization mechanism in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a two-chamber urinary catheterizing mechanism in another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an ultrasonic sensor;
FIG. 4 is a schematic layout diagram of a monitoring host;
FIG. 5 is a connection diagram of an indwelling catheter with three lumens
FIG. 6 is a connection diagram of a two-lumen indwelling pressure catheter;
FIG. 7 is a schematic diagram of the system of the present invention connected to an ultrasonic sensor for measuring the urine volume of the bladder.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It is to be understood that in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are used only for convenience in describing the present invention and for simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
The invention mainly comprises two indwelling pressure catheters, an ultrasonic sensor, a host principle of an indwelling catheterization monitor, a pressure measuring method, a method for measuring the urine volume in a bladder, a clamping and opening method of the indwelling catheter and an intelligent terminal software (APP) function.
Fig. 1 shows an implementation form of an indwelling manometric urinary catheterization device according to the present invention, which includes:
the first urethral catheterization mechanism is provided with three channels of an integrated structure on one side matched with the human bladder so as to define and obtain a first urethral catheterization cavity 1, a pressure measuring cavity 2 and a water injection cavity 3 which are communicated in the first urethral catheterization mechanism, one side of the first urethral catheterization mechanism far away from the human bladder is of a split structure so as to obtain a first urethral catheter 4, a pressure measuring pipe 5 and a water injection pipe 6 which are matched with the first urethral catheterization cavity, the pressure measuring cavity and the water injection cavity, in the structure, compared with the existing single-channel urethral catheter, the structural member is provided with the water injection pipe which limits the position of the urethral catheter in the bladder, the air bag can be in a preset filling state by filling quantitative water or gas into the water bag or the air bag which is matched with the first urethral catheter, the stability of the structural member matched with the bladder is ensured, and compared with the two-way urethral catheter, the other pressure measuring pipe is arranged to detect the pressure of urine in the bladder, thereby realizing the real-time detection of the urine volume in the bladder;
the first pressure measuring film 7 is arranged on the pressure measuring pipe and used for providing a pressure measuring window so as to be convenient for matching with a pressure measuring sensor of the monitoring host computer in the later period and monitoring the pressure in the pressure measuring pipe;
the front end of the first urethral catheterization mechanism is respectively provided with a pressure measuring bubble 8 and a water bag 9 which are matched with each other, the pressure measuring bubble has the function of enabling the pressure of gas injected in the pressure measuring tube to be changed according to the extrusion acting force of urine on the bubble, so that the liquid amount in the pressure measuring tube can be conveniently monitored by a pressure measuring sensor, and the air bag has the function of ensuring the interference between the bladder and the urethral catheter when the interior of the first urethral catheterization mechanism is in an inflated state, so that the urethral catheter cannot fall off due to the position change or action of a human body;
the piezometric tube, the water injection pipe with the pressure measurement bubble, be provided with first notch 10 on the inside matched with position of water pocket, effect through the notch, make the piezometric tube, the water injection pipe respectively with the pressure measurement bubble, the gasbag is in the intercommunication state, and then wearing to establish of catheterization mechanism, be convenient for simultaneously later stage aerify, the gassing, better adaptability and stability have, in this kind of scheme, through improving the structure to current catheter, guarantee the stability behind its structure and the human cooperation, can monitor the urine volume of bladder through external equipment simultaneously, avoid the traditional complication that leads to of catheterization technique of keeping somewhere, the security that has better protectiveness.
As shown in fig. 2, an indwelling manometric urinary catheterization apparatus includes:
the second urethral catheterization mechanism is provided with two channels of an integral structure at one side matched with the human bladder so as to define and obtain a second urethral catheterization cavity 11 and an air injection cavity 12 which are communicated in the second urethral catheterization mechanism, one side of the second urethral catheterization mechanism, which is far away from the human bladder, is of a split structure so as to obtain a second urethral catheter 13 and an air injection pipe 14 which are matched with the second urethral catheterization cavity and the air injection cavity, and compared with the existing single-channel urethral catheter, the structural member of the second urethral catheterization mechanism is provided with the water injection pipe which limits the position of the urethral catheter in the bladder, and the air bag is in a preset filling state by filling quantitative water or gas into the matched water bag, so that the urethral catheter is clamped in the bladder, and the stability of the structural member matched with the bladder is ensured;
the second pressure measuring film 15 is arranged on the gas injection pipe, and can be matched with external equipment through the action of the second pressure measuring film relative to the two-way catheter II to complete the monitoring of the urine volume in the bladder;
the front end of the second urethral catheterization mechanism is provided with an air bag 16, and the air bag has the function of ensuring the interference between the bladder and the urethral catheter when the interior of the second urethral catheterization mechanism is in a filling state, so that the urethral catheter cannot fall off due to the change of the position of a human body or action;
the gas injection pipe is provided with second notch 17 on the position with the inside matched with of gasbag for the gas injection pipe is in the connected state with the gasbag respectively through the effect of notch, and then catheterization mechanism wears to establish, and the later stage of being convenient for simultaneously is aerifyd, is deflated, has better adaptability and stability.
In actual operation, the mode of fixing the bladder by the three-channel urethral catheterization mechanism is limited to water injection, and the reason is that the fixation, pressure measurement and catheterization are distinguished through different pipelines due to the three-in-one structural mode design, so that the urethral catheterization can be directly fixed by the water injection mode, the fixation softness is ensured through the flowing characteristic of water, and meanwhile, the gas pressure detection is carried out in the mode of leading the pressure measurement pipe, and the detection accuracy is ensured.
In the two-channel urethral catheterization mechanism, the bladder is fixed by adopting air injection because the air bag in the two channels has the functions of fixing and measuring pressure, and the pressure measurement adopts air, so the two-channel urethral catheterization mechanism has the advantages of simple structure and controllable volume.
As shown in fig. 1-2, in another example, a first valve a18 and a first valve B19 are respectively disposed on the water injection tube and the gas injection tube, and are configured to seal the gas injection tube before and after inflation, so as to ensure relative independence of the interior, and after the water injection tube and the gas injection tube are connected to the valves, they can be connected to other pipelines by using connectors matched with each other as required, so as to facilitate integration of the system, and the valves can be stop valves for regulating flow rate on existing infusion apparatuses, or other valves capable of realizing on-off control of the pipelines manually or electrically.
In another example, as shown in fig. 1, a second valve 20 is provided on the pressure measuring tube for isolating the pressure measuring tube from the outside, so as to ensure the accuracy of the pressure measurement in the later period, and a matching pair can be provided thereon as required to realize the connection with the external device.
Referring to fig. 4, a bladder monitor with an indwelling pressure catheterization apparatus further includes a monitor host (indwelling catheterization monitor host) coupled with the pressure catheterization apparatus, which is configured to include:
a panel 21;
The pinch valve 23 is arranged on the panel to be matched with the catheter and is used for controlling the communication state of the catheter and the urine collection bag, and the pinch method and the open method of the pinch valve on the indwelling catheter in specific operation are that when the system is in a normal working state, the pinch valve automatically decides to pinch or open the catheter according to the detected pressure value in the bladder or urine volume value; when the system is in an abnormal working state or is powered off, the catheter is automatically opened, so that the injury to a patient caused by overhigh pressure in the bladder is avoided;
the weighing sensor 24 is arranged on the panel and matched with the urine collecting bag on the catheter, and is used for measuring the urine volume in the urine collecting bag, so that two effects can be realized, namely when the urine volume reaches the upper limit, an operator can timely carry out urination operation on the urine collecting bag through sound prompt or other prompt information, and the urine volume of the urine collecting bag can be detected at regular time to obtain the urination condition of postoperative personnel, so that the later-stage monitoring of the state of the postoperative personnel by medical personnel can be facilitated;
the pressure measuring sensor, the weighing sensor and the pinch valve are all configured to be in communication connection with a control unit of the host machine, and are used for acquiring bladder pressure, controlling the working state of the pinch valve according to the pressure condition and acquiring the weight of the urine collecting bag in real time so as to facilitate monitoring of post-operation personnel signs by medical personnel;
the panel is also provided with a display unit 25 and an operation unit 26 which are matched with each other, the display unit displays the numerical values of the pressure measuring sensor and the weighing sensor in real time, and the operation unit is convenient for medical personnel to set the upper limit value and the lower limit value of the pressure/urine volume of the bladder in the memory according to different courses of disease. The intelligent terminal device also comprises matched intelligent terminal software (APP), and the software functions of the intelligent terminal device comprise catheterization record management, report generation, report management and report printing. In the scheme, after the indwelling catheterization monitor host starts to work, the catheter is automatically clamped and closed. When a pressure transducer is used, the pressure within the bladder is monitored in real time. The indwelling catheterization monitor host machine compares the measured pressure with a set pressure threshold value, and when the measured pressure is greater than the upper limit of the threshold value, the catheter is automatically opened, so that urine in the bladder flows into the urine collection bag through the catheter, and the pressure in the bladder is gradually reduced; when the measured pressure is less than the upper threshold, the catheter is automatically clamped, the catheterization is stopped, the bladder accumulates urine, and the pressure in the bladder is gradually increased.
When an ultrasonic sensor is used, the urine volume in the bladder is monitored in real time. The indwelling catheterization monitor host machine compares the measured urine volume with a set urine volume threshold value, and when the measured urine volume is larger than the upper limit of the threshold value, the catheter is automatically opened, so that urine in the bladder flows into the urine collection bag through the catheter, and the urine volume in the bladder is gradually reduced; when the measured urine volume is less than the upper limit of the threshold value, the catheter is automatically clamped and closed, the catheterization is stopped, the bladder accumulates urine, and the urine volume in the bladder is gradually increased. The indwelling catheterization monitor host records the urine volume exported every time through the weighing sensor. The indwelling catheterization monitor host uploads the catheterization record to the intelligent terminal software through the wireless communication network.
In another example, as shown in fig. 3, an ultrasonic monitoring mechanism cooperating with the control unit is further included, and is configured to include:
an ultrasonic sensor 27 which is in contact with the bladder of the human body through a wearing or bonding structure;
the cable 28 that carries out the interface with the control unit and is connected, detect the urine volume of bladder through ultrasonic sensor in this kind of structure, and the effect of cable lies in through the bayonet joint of high-speed joint, carry out communication connection with ultrasonic sensor and guardianship host computer, so that the guardianship host computer can acquire the urine volume data information of bladder in real time, in the in-service use, ultrasonic sensor transmits ultrasonic signal for the host computer, after the host computer calculates and measures the urine volume value, transmit the guardianship host computer through the cable, the guardianship host computer is through comparing with the urine volume value that sets up in advance, so that the guardianship host computer decides to open or close the pinch valve, whether carry out the micturition operation.
A method of measuring bladder urine volume using an indwelling manometric catheterization system, comprising:
step one, after each catheterization mechanism is placed in a bladder, each pressure measuring membrane is arranged to be matched with a pressure measuring sensor, and then a real-time pressure value in the bladder is obtained through a monitoring host;
step two, comparing the real-time pressure value with an upper limit value of pressure stored in the monitoring host, if the real-time pressure value exceeds the set upper limit value of pressure, controlling the pinch valve to be in an open state by the monitoring host, and outputting collected liquid to the urine collection bag through the urinary catheter by the bladder;
and step three, the monitoring host monitors the bladder pressure in real time through the pressure sensor, and when the pressure value of the monitoring host is lower than the lower limit value of the pressure stored in the monitoring host, the monitoring host controls the pinch valve to be in a closed state, and the catheter does not output collected liquid to the urine collection bag any more. In the specific operation, the operation process using the load cell includes: 1. inserting an indwelling pressure measuring catheter; 2. injecting water/gas into the water sac/air sac to fix the catheter in the bladder; 3. connecting a urine collection bag, emptying the bladder, and suspending the urine collection bag on a weighing sensor of an indwelling catheterization monitor host; 4. fixing the catheter on the leg or other positions of the patient (preventing the catheter from being pulled by external force); 5. connecting and fixing the catheter, the piezometric tube and the indwelling catheterization monitor host; 6. injecting air into the pressure measuring pipe to a specified pressure range; 7. turning on a power switch of a main machine of the indwelling catheterization monitor; 8. selecting a pressure measuring mode on the indwelling catheterization monitor host, pressing an 'opening' button, automatically measuring the current pressure in the bladder by the system, displaying a pressure value, automatically clamping the catheter by the system, and entering a working mode; 9. the indwelling catheterization monitor host machine tracks and measures the bladder pressure; 10. when the bladder pressure exceeds the set upper limit value of the pressure, the system automatically opens the catheter and monitors the bladder pressure; 11. when the bladder pressure is lower than the set pressure lower limit value, the system automatically clamps and closes the catheter; 12. the indwelling catheterization monitor host uploads process information such as catheterization records and the like to intelligent terminal software (APP) through a wireless network; 13. intelligent terminal software (APP) manages catheterization process information and has report management and report printing functions; 14. when a 'stop' button of the indwelling catheterization monitor host is pressed or the power supply is turned off, the system automatically opens the catheter.
A method of measuring bladder urine volume using an indwelling manometric catheterization system, comprising:
the method comprises the following steps that firstly, after each urethral catheterization mechanism is placed in a bladder, an ultrasonic sensor is fixed on the upper edge of the pubic symphysis of a patient, and then a real-time urine value in the bladder is obtained through a monitoring host;
step two, comparing the real-time urine quantity value with the upper limit value of the urine quantity value stored in the monitoring host, if the real-time urine quantity value exceeds the set upper limit value of the urine quantity value, controlling the pinch valve to be in an open state by the monitoring host, and outputting collected liquid to the urine collecting bag through the urinary catheter by the bladder;
and step three, the monitoring host monitors the urine value of the bladder in real time through the ultrasonic sensor, and when the urine value is lower than the lower limit value of the urine value stored in the monitoring host, the monitoring host controls the pinch valve to be in a closed state, and the catheter does not output collected liquid to the urine collecting bag any more. In the specific operation of the scheme, the operation process of using the ultrasonic sensor comprises the following steps: 1. inserting an indwelling pressure measuring catheter; 2. injecting water/gas into the water sac/air sac to fix the catheter in the bladder; 3. connecting a urine collection bag, emptying the bladder, and suspending the urine collection bag on a weighing sensor of an indwelling catheterization monitor host; 4. fixing the catheter on the leg or other positions of the patient (preventing the catheter from being pulled by external force); 5. connecting and fixing the catheter and the indwelling catheterization monitor host; 6. fixing an ultrasonic sensor on the upper edge of the pubic symphysis of the patient and connecting the ultrasonic sensor with an indwelling catheterization monitor host; 7. turning on a power switch of a main machine of the indwelling catheterization monitor; 8. selecting a urine volume mode on the indwelling catheterization monitor host, pressing an 'on' button, automatically measuring the current urine volume in the bladder by the system, displaying the urine volume value, automatically clamping the catheter by the system, and entering a working mode; 9. the indwelling catheterization monitor host tracks and measures the urine volume of the bladder; 10. when the urine volume of the bladder exceeds the set upper limit value of the urine volume, the system automatically opens the catheter and monitors the urine volume of the bladder; 11. when the urine volume of the bladder is lower than the set urine volume lower limit value, the system automatically clamps and closes the catheter; 12. the indwelling catheterization monitor host uploads process information such as catheterization records and the like to intelligent terminal software (APP) through a wireless network; 13. intelligent terminal software (APP) manages catheterization process information and has report management and report printing functions; 14. when a 'stop' button of the indwelling catheterization monitor host is pressed or the power supply is turned off, the system automatically opens the catheter.
A method of measuring bladder urine volume using an indwelling manometric catheterization system, comprising:
step one, when the monitoring host is in a working state, a clock of a control unit performs timing operation;
step two, the monitoring host acquires the real-time weight value of urine in the urine collection bag through the weighing sensor at intervals of preset time so as to compare the real-time weight value with the weight of the urine collection bag at the last time, if the real-time weight value changes, the counter performs counting operation once, the monitoring host reads and stores the time of the current clock, and meanwhile, the real-time weight value is stored;
and step three, comparing the real-time weight value with an upper limit value of the weight stored in the monitoring host, and if the real-time weight value is higher than the upper limit value, carrying out urination prompt in an audible and visual alarm mode to obtain the total urination amount within a rated time. In actual operation, through the cooperation of the control unit and the weighing sensor, medical care personnel or accompanying personnel can be informed to carry out urination operation when the urine volume reaches the upper limit, and meanwhile, through the cooperation of the control unit, the total urination amount of postoperative personnel in rated time in the process of using the urination mechanism can be obtained, the urination amount is discharged for a plurality of times within the rated time, and the interval time is obtained, so that the medical care personnel can conveniently detect the physical signs of the postoperative personnel, specifically, if the postoperative personnel use the urination mechanism at 0 point, a monitoring host synchronously starts to work, when the urine volume in the urine collection bag is changed for the first time at 2.00, the current weight is stored, the timer 1 stores the current time, when the urine volume in the urine collection bag is changed for the second time at 3.00, the current weight is stored, the timer 2 stores the current time, when the urine volume in the urine collection bag is greater than the preset 800 millilitres, the current weight value is read for storage, and the medical staff is prompted to urinate the urine collecting bag through acousto-optic alarm.
Example 1:
as shown in figure 5, a three-cavity indwelling pressure catheter is used, after the pressure catheter is fixed in a bladder, a pressure measuring film is arranged on a pressure measuring sensor of a host machine of the indwelling catheterization monitor, a pressure measuring cavity valve is opened, a proper amount of air is injected into a cavity by using an injector through a pressure measuring pipe joint, and the pressure measuring cavity valve is closed. The pressure in the bladder is transmitted to the pressure measuring membrane through the pressure measuring bubble, and the pressure of the pressure measuring membrane tightly attached to the pressure measuring bubble is measured by the pressure measuring sensor, namely the pressure in the bladder.
Example 2:
referring to fig. 6, after the pressure catheter is inserted into the bladder, the pressure measuring membrane is mounted on the pressure measuring sensor of the indwelling catheterization monitor host, the air injection cavity valve is opened, and a syringe is used to inject a proper amount of air into the cavity through the air injection pipe joint to expand the air bag, and after the pressure catheter is fixed in the bladder, the pressure measuring cavity valve is closed. The pressure in the bladder is transmitted to the pressure measuring membrane through the air bag, and the pressure of the pressure measuring membrane tightly attached to the pressure measuring sensor is measured by the pressure measuring sensor, namely the pressure in the bladder.
Example 3:
referring to fig. 7, the method for measuring the urine volume in the bladder by using the ultrasonic sensor comprises the steps of inserting the pressure measuring catheter into the bladder, opening the air injection cavity valve, injecting a proper amount of air into the cavity by using the injector through the air injection pipe joint to expand the air bag, fixing the pressure measuring catheter in the bladder, and closing the pressure measuring cavity valve. The ultrasonic transducer is fixed on the upper edge of the pubic symphysis of the patient, and the interface is connected with the ultrasonic transducer interface of the indwelling catheterization monitor host. The indwelling catheterization monitor host calculates the urine volume in the bladder by using the ultrasonic information.
The above scheme is merely illustrative of a preferred example, and is not limiting. When the invention is implemented, appropriate replacement and/or modification can be carried out according to the requirements of users.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (8)
1. An indwelling manometric urinary catheterization device, comprising:
the first urethral catheterization mechanism is provided with three channels of an integrated structure at one side matched with the human bladder so as to define a first urethral catheterization cavity, a pressure measuring cavity and a water injection cavity which are communicated in the first urethral catheterization mechanism, and one side of the first urethral catheterization mechanism, which is far away from the human bladder, is of a split structure so as to obtain a first urethral catheter, a pressure measuring tube and a water injection tube which are matched with the first urethral catheterization cavity, the pressure measuring cavity and the water injection cavity;
the first pressure measuring film is arranged on the pressure measuring pipe;
the front end of the first urethral catheterization mechanism is respectively provided with a pressure measuring bubble and a water bag which are matched with each other;
and the pressure measuring pipe and the water injection pipe are provided with first notches at the positions matched with the pressure measuring bubbles and the inside of the water bag.
2. An indwelling manometric urinary catheterization device, comprising:
the second urethral catheterization mechanism is provided with two channels which are integrally structured on one side matched with the human bladder so as to define a second urethral catheterization cavity and an air injection cavity which are communicated in the second urethral catheterization mechanism, and one side of the second urethral catheterization mechanism, which is far away from the human bladder, is of a split structure so as to obtain a second urethral catheter and an air injection pipe which are matched with the second urethral catheterization cavity and the air injection cavity;
the second pressure measurement film is arranged on the gas injection pipe;
wherein the front end of the second catheterization mechanism is provided with an air bag;
and a second notch is formed in the position, matched with the inner part of the air bag, of the air injection pipe.
3. The indwelling manometric urinary catheterization device of claim 1 or 2, wherein the water injection tube and the gas injection tube are provided with a first valve respectively.
4. An indwelling manometric urinary device according to claim 1, wherein the manometric tube is provided with a cooperating second valve.
5. A bladder monitor using an indwelling pressure catheterizing device according to any one of claims 1-2, further comprising a monitoring host cooperating with the pressure catheterizing device, and configured to include:
a panel;
pressure measuring sensors arranged on the panel to match with the pressure measuring films;
a pinch valve disposed on the panel to mate with the catheter;
a weighing sensor arranged on the panel to match with the urine collecting bag on the catheter;
the pressure sensor, the weighing sensor and the pinch valve are all configured to be in communication connection with a control unit of a host;
the panel is also provided with a display unit and an operation unit which are matched with each other.
6. The bladder monitor of claim 5, further comprising an ultrasound monitoring mechanism cooperating with the control unit and configured to include:
the ultrasonic sensor is contacted with the human bladder through a wearing or bonding structure;
and the cable is used for connecting the ultrasonic sensor with an interface on the control unit.
7. A method of measuring the bladder monitor of claim 5, comprising:
step one, after each catheterization mechanism is placed in a bladder, each pressure measuring membrane is arranged to be matched with a pressure measuring sensor, and then a real-time pressure value in the bladder is obtained through a monitoring host;
step two, comparing the real-time pressure value with an upper limit value of pressure stored in the monitoring host, if the real-time pressure value exceeds the set upper limit value of pressure, controlling the pinch valve to be in an open state by the monitoring host, and outputting collected liquid to the urine collection bag through the urinary catheter by the bladder;
and step three, the monitoring host monitors the bladder pressure in real time through the pressure sensor, and when the pressure value of the monitoring host is lower than the lower limit value of the pressure stored in the monitoring host, the monitoring host controls the pinch valve to be in a closed state, and the catheter does not output collected liquid to the urine collection bag any more.
8. A method of measuring the bladder monitor of claim 6, comprising:
the method comprises the following steps that firstly, after each urethral catheterization mechanism is placed in a bladder, an ultrasonic sensor is fixed on the upper edge of the pubic symphysis of a patient, and then a real-time urine value in the bladder is obtained through a monitoring host;
step two, comparing the real-time urine quantity value with the upper limit value of the urine quantity value stored in the monitoring host, if the real-time urine quantity value exceeds the set upper limit value of the urine quantity value, controlling the pinch valve to be in an open state by the monitoring host, and outputting collected liquid to the urine collecting bag through the urinary catheter by the bladder;
and step three, the monitoring host monitors the urine value of the bladder in real time through the ultrasonic sensor, and when the urine value is lower than the lower limit value of the urine value stored in the monitoring host, the monitoring host controls the pinch valve to be in a closed state, and the catheter does not output collected liquid to the urine collecting bag any more.
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