CN212546928U

CN212546928U - Abdominal perfusion pressure measuring device

Info

Publication number: CN212546928U
Application number: CN202020644593.6U
Authority: CN
Inventors: 梁峻
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-02-19
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses an abdominal perfusion pressure measuring device, which comprises a catheter, a catheter bag arranged on the catheter, a first control valve arranged in the opening end of the catheter bag and a pressure measuring group arranged between the catheter bag and the catheter; the pressure measurement group comprises a measuring pipe arranged between the urethral catheter and the urethral catheter, a heparin cap arranged on the measuring pipe, a measuring branch pipe arranged on the measuring pipe, a pressure sensor arranged on the measuring pipe and a second control valve arranged on the measuring branch pipe and positioned between the pressure sensor and the measuring pipe. The utility model discloses a measurement to pressure in the bladder, and the bladder pressure is for indirect abdominal cavity pressure, and medical staff will subtract the bladder pressure that has measured through the average arterial pressure that current instrument measured, is obtained patient's abdominal cavity and pours into pressure.

Description

Abdominal perfusion pressure measuring device

Technical Field

The utility model relates to an abdominal cavity pressure measurement field, concretely relates to abdominal cavity perfusion pressure measuring device.

Background

The pressure in the abdominal cavity of a critical patient is increased clinically due to various reasons, the incidence rate and the fatality rate of the abdominal cavity clearance syndrome are extremely high, one of the main basis of diagnosis is the increase of the pressure in the abdominal cavity, so that the monitoring of the pressure in the abdominal cavity of the critical patient is very important, and the early detection of the high pressure in the abdominal cavity and the early diagnosis of the abdominal cavity clearance syndrome are facilitated. To reduce trauma, clinical measurements of intra-abdominal pressure have typically taken indirect methods, such as measuring intravesical, intragastric, intrarectal or intravenous pressures to reflect intra-abdominal pressures, whereas transurethral intra-vesical pressure measurements are considered the golden standard for intra-abdominal pressure measurements, which are based on the principle that when the bladder capacity is less than 100ml, the bladder is only a passive reservoir, with high compliance, like a passive diaphragm, and can transmit intra-abdominal pressure without any additional pressure from its own muscles.

The existing cystometrography technology is to connect a pressure measuring pipeline with a patient indwelling catheter, inject a proper amount of normal saline into an evacuated bladder through the catheter, take the pubis joint level as a calibration point in the horizontal position, and directly measure the height of a high-yield column at the end of expiration of the patient. Then, in practical application, the conventional cystometrography technology has the defects that whether the pressure measuring pipeline is vertically connected with the catheter or not, the pressure conduction effectiveness is difficult to determine, the end expiration time of a patient is difficult to master and the like, so that the accuracy of the measurement result is directly influenced, and the accuracy of the measurement result is poor. In addition, when the bladder internal pressure is measured by adopting the prior art, the influence of human factors is large when result data is obtained, the subjectivity is strong, objective confirmation conditions are lacked, and the correlation between continuous measurement results of the same operator or different operators is poor, so that the repeatability of the measurement results is poor, and the reliability of data clinical application cannot be ensured; although the device in the prior art is simple, corresponding pipeline connection needs to be repeated every time when the device is monitored repeatedly, the operation is complicated, time and labor are wasted, and dynamic monitoring is inconvenient. In the prior art, a catheter and a piezometer tube are required to be repeatedly connected when the intravesical pressure is measured, infection is easily caused due to a plurality of operation links and the open state of a urine drainage loop, the infection risk of critically ill patients with generally low immunity is increased, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provided an abdominal cavity perfusion pressure measuring device, concrete technical scheme is as follows:

an abdominal perfusion pressure measuring device comprises a catheter, a catheter bag arranged on the catheter, a first control valve arranged in the opening end of the catheter bag and a pressure measuring group arranged between the catheter bag and the catheter;

the pressure measurement group comprises a measuring pipe arranged between the urethral catheter and the urethral catheter, a heparin cap arranged on the measuring pipe, a measuring branch pipe arranged on the measuring pipe, a pressure sensor arranged on the measuring pipe and a second control valve arranged on the measuring branch pipe and positioned between the pressure sensor and the measuring pipe.

Preferably, the electrocardiogram monitoring device further comprises an electrocardiogram monitoring instrument, and the signal output end of the pressure sensor is electrically connected with the electrocardiogram monitoring instrument.

The utility model discloses well pressure sensor will detect the pressure value transmission and show rather than the electric ECG monitor of being connected on, medical staff can follow the display screen of ECG monitor and obtain patient's bladder pressure.

Preferably, an extension tube is arranged between the catheter and the measuring tube.

The utility model discloses a set up the extension pipe between catheter and survey buret, make medical staff can select the extension pipe of suitable length according to the in-service use environment, the medical staff operation of being convenient for has improved the utility model discloses a convenience and practicality.

Preferably, both ends of extension pipe all are equipped with first removable interface.

The utility model discloses in set up respectively at the first interface of dismantling at the both ends of extension pipe, realized extension pipe and survey the dismantlement between buret and the catheter and be connected, be convenient for medical staff installs and dismantles the extension pipe.

Preferably, a three-way connector is arranged between the urethral catheterization bag and the measuring tube.

The utility model discloses in set up the tee bend interface between catheterization bag and survey buret and be equipped with and be used for communicating catheterization bag and survey buret.

Preferably, the measuring branch pipe is communicated with the three-way interface.

The utility model discloses a three-way connection mouth of setting between catheterization bag, survey buret and measurement branch pipe, the medical staff of being convenient for adjusts control to urine and bladder internal pressure in the catheterization.

Preferably, a second detachable interface is arranged between the heparin cap and the measuring tube.

The utility model discloses a setting can dismantle the interface at the second between heparin cap and survey buret, has realized being connected with dismantling between heparin cap and the survey buret, and the medical staff of being convenient for installs and dismantles the heparin cap on surveying the buret, has improved the utility model discloses a convenience.

Preferably, the outer side of the catheter is provided with scales.

The utility model discloses a scale of setting in the catheterization bag outside makes medical personnel and patient can master the understanding to the liquid volume in the catheterization bag at any time roughly.

Preferably, the front end of the catheter is provided with a fixed bag.

The utility model discloses a fixed bag of catheter front end, the medical staff of being convenient for is fixed the front end of catheter in patient's bladder, avoids the catheter front end to drop in the use.

Preferably, the urethral catheter and the urethral catheter are both made of medical PVC.

The utility model discloses the material that well catheter and catheterization bag adopted is transparent medical PVC, makes the utility model discloses under the prerequisite that satisfies hospital's sanitary standard, medical personnel and patient can master the drainage condition of urine in patient's bladder through transparent medical PVC material direct observation to in time take corresponding measure.

The utility model discloses following beneficial effect has:

the utility model discloses well medical staff lets the patient be in the horizontal position, inserts the patient with the catheter internal, opens first control valve, in the catheter bag, evacuation bladder with patient's urine drainage. And then closing the first control valve, and injecting 25-100 ml of sterile normal saline into the bladder by using an injector through a heparin cap. Then, the pressure sensor is calibrated to zero, the second control valve is opened to communicate the pressure sensor and the catheter, so that the intra-bladder pressure is measured, the intra-bladder pressure is indirect abdominal pressure, and medical staff subtract the measured intra-bladder pressure from the average arterial pressure measured by the existing instrument to obtain the abdominal perfusion pressure of the patient.

The medical staff only needs to determine the zero calibration level of the pressure sensor according to the operation specification, empty the bladder before measurement, master the correct normal saline injection amount and the pressure waveform confirmation condition, so that the influence of human factors on the accuracy of the measurement result in the prior art is greatly reduced, the accuracy of the monitoring result is high, and the medical staff uses the method to measure the intravesical pressure according to the operation specification, the result is accurate and stable, and strong correlation exists between the continuous measurement results of the same operator or different operators, so that the result data repeatability is good, and the reliability of clinical application is ensured.

And the utility model discloses as long as once connect in same patient, the conversion of pressure measurement and urine drainage only needs can realize through adjustment first control flap and second control flap, consequently the operation is very convenient when clinical needs developments, monitors the intra-abdominal pressure repeatedly, is convenient for realize dynamic monitoring. Simultaneously the utility model discloses be the closure state in the use, the single is perhaps monitors all to be difficult for leading to the increase of infecting the chance repeatedly, can reduce the infection risk to the at utmost, especially is fit for using in the severe patients of immunity relative low, avoids cross infection's emergence, and the security is higher.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1, the present invention comprises a urinary catheter 1 for insertion into a patient, a urinary bag 2 disposed on the urinary catheter 1 for containing urine in the bladder of the patient, and a pressure measurement set 4 disposed between the urinary bag 2 and the urinary catheter 1, wherein the pressure measurement set 4 is used for measuring the bladder pressure in the bladder of the patient. The utility model discloses the material that well catheter 1 and catheterization bag 2 adopted is transparent medical PVC, makes the utility model discloses under the prerequisite that satisfies hospital's sanitary standard, medical personnel and patient can master the drainage condition of urine in patient's bladder through transparent medical PVC material direct observation to in time take corresponding measure. The front end of catheter 1 is equipped with fixed bag 10, the utility model discloses a fixed bag 10 of 1 front ends of catheter, the medical staff of being convenient for is fixed the front end of catheter 1 in patient's bladder, avoids 1 front ends of catheter to drop in the use. Be equipped with the first control valve 3 that is used for controlling 2 break-make of catheterization bag in the open end of catheterization bag 2 to the outside of catheterization bag 2 is equipped with the scale 21 that is used for showing the volume of deriving urine, the utility model discloses a scale 21 of setting in the 2 outsides of catheterization bag makes medical personnel and patient can carry out the approximate understanding of mastering to the volume of liquid in the catheterization bag 2 at any time, has improved the utility model discloses a convenience and practicality.

The pressure measurement set 4 comprises a measuring tube 41 arranged between the urinary catheter bag 2 and the urinary catheter 1 and a heparin cap 42 arranged on the measuring tube 41 and communicating with the measuring tube 41, wherein a second detachable interface 9 is arranged between the heparin cap 42 and the measuring tube 41. The utility model discloses a setting can dismantle interface 9 at the second between heparin cap 42 and survey buret 41, has realized heparin cap 42 and has surveyed dismantling between the buret 41 and be connected, and the medical staff of being convenient for installs and dismantle heparin cap 42 on surveying buret 41, has improved the utility model discloses a convenience. Both ends of the measuring tube 41 communicate with the urinary catheter bag 2 and the urinary catheter 1, respectively, and both ends of the measuring tube 41 are detachably connected with the urinary catheter bag 2 and the urinary catheter 1, respectively. The pressure measuring group 4 further comprises a measuring branch 43 arranged on the measuring tube 41 and communicating with the measuring tube 41, and a pressure sensor 44 arranged on the measuring tube 41, the pressure sensor 44 measuring the internal pressure of the patient's bladder. Be equipped with the tee bend interface 8 that is used for communicateing catheter bag 2 and survey buret 41 between catheter bag 2 and the buret 41, the simultaneous measurement is in charge of 43 and is also communicated with tee bend interface 8, the utility model discloses a setting is in catheter bag 2, survey buret 41 and measure and in charge of 8 tee bend interfaces between 43, and the medical staff of being convenient for adjusts and controls urine and bladder internal pressure in the catheter 1.

The pressure measuring group 4 further comprises a second control valve 45 arranged on the measuring branch 43 and between the pressure sensor 44 and the measuring tube 41, the second control valve 45 being used for controlling the fluid connection between the measuring branch 43 and the measuring tube 41. The utility model discloses still include the ECG monitor 5 of being connected with pressure sensor 44 electricity, pressure sensor 44's signal output part is connected with ECG monitor 5's signal output part. Pressure sensor 44 is model AP-10S rated for a pressure of 100 to-100 kPa. And the pressure sensor 44 is suitable for gas and liquid which can not corrode SUS 304/630; the pressure type is the metering pressure; the repetition precision is 1 + 0.5% or less of the F.S. value; the shell protection level is IP 67; the working ambient temperature is-10 to +70 ℃ (no freezing). The ECG monitor 5 is of the type UMEC 7.

Be equipped with the extension pipe 6 that is used for prolonging water conservancy diversion distance between catheter 1 and the survey buret 41, the utility model discloses a set up extension pipe 6 between catheter 1 and the survey buret 41, make medical staff can select the extension pipe 6 of suitable length according to the in-service use environment, the medical staff operation of being convenient for has improved the utility model discloses a convenience and practicality. The both ends of extension pipe 6 all are equipped with first detachable interface 7, the utility model discloses in set up respectively at the first detachable interface 7 at the both ends of extension pipe 6, realized extension pipe 6 and survey buret 41 and catheter 1 between can dismantle and be connected, the medical staff installation of being convenient for and dismantle extension pipe 6, further improved the utility model discloses a convenience.

The utility model discloses well medical staff lets the patient be in the horizontal position, inserts the patient with catheter 1 internal, opens first control valve 3, in drainage catheter 2, the evacuation bladder with patient's urine. The first control valve 3 is then closed and 50ml of sterile saline is injected into the bladder with a syringe through the heparin cap 42. Then, the pressure sensor 44 is zeroed, the second control valve 45 is opened, the pressure sensor 44 is communicated with the catheter 1, so that the intravesical pressure is measured, the pressure sensor 44 transmits and displays the detected pressure value to the electrocardiograph monitor 5 electrically connected with the pressure sensor, and medical staff can obtain the bladder pressure of the patient from a display screen of the electrocardiograph monitor 5. The bladder pressure of the patient is the indirect abdominal pressure of the patient, and medical staff subtracts the measured bladder pressure of the patient from the average arterial pressure of the patient measured by the sphygmomanometer to obtain the abdominal perfusion pressure of the patient, so that the bladder perfusion pressure of the patient can be measured.

In the invention, medical staff only need to determine the zero calibration level of the pressure sensor 44, empty the bladder before measurement, and master the correct normal saline injection amount and pressure waveform confirmation conditions according to the operation specifications, so that the influence of human factors on the accuracy of the measurement result in the prior art is greatly reduced, the accuracy of the monitoring result is high, and the medical staff can determine the intravesical pressure according to the operation specifications by applying the invention, the result is accurate and stable, and strong correlation exists between the continuous determination results of the same operator or different operators, so the repeatability of the result data is good, and the reliability of clinical application is ensured.

And the utility model discloses as long as once connect in same patient, the conversion of pressure measurement and urine drainage only need can realize through adjustment first control valve (3) door and second control valve (45) door, consequently need the developments clinically, operate very conveniently when monitoring abdominal cavity internal pressure repeatedly, is convenient for realize dynamic monitoring. Simultaneously the utility model discloses be the closure state in the use, the single is perhaps monitors all to be difficult for leading to the increase of infecting the chance repeatedly, can reduce the infection risk to the at utmost, especially is fit for using in the severe patients of immunity relative low, avoids cross infection's emergence, and the security is higher.

It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An abdominal perfusion pressure measuring device is characterized by comprising a catheter (1), a catheter bag (2) arranged on the catheter (1), a first control valve (3) arranged in the opening end of the catheter bag (2) and a pressure measuring group (4) arranged between the catheter bag (2) and the catheter (1);

the pressure measurement group (4) is including setting up survey buret (41) between catheterization bag (2) and catheter (1), heparin cap (42) of setting on surveying buret (41), set up and divide pipe (43), pressure sensor (44) of setting on surveying buret (41) and set up and divide on pipe (43) and be located pressure sensor (44) and survey second control valve (45) between buret (41) on surveying buret (43).

2. The intraperitoneal pressure measurement device according to claim 1, further comprising an electrocardiograph monitor (5), wherein the signal output end of the pressure sensor (44) is electrically connected with the electrocardiograph monitor (5).

3. The intraperitoneal pressure measurement device according to claim 1, wherein an extension tube (6) is arranged between the catheter (1) and the measurement tube (41).

4. The intraperitoneal pressure measurement device according to the claim 3, wherein the extension tube (6) is provided with a first detachable interface (7) at both ends.

5. The intraperitoneal pressure measurement device according to claim 1, wherein a three-way interface (8) is provided between the urethral catheterization bag (2) and the measurement tube (41).

6. The intraperitoneal pressure measurement device according to claim 5, wherein the measurement branch pipe (43) is communicated with a three-way interface (8).

7. The intraperitoneal pressure measurement device according to claim 1, wherein a second detachable interface (9) is provided between the heparin cap (42) and the measurement tube (41).

8. The perfusion pressure measuring device according to claim 1, wherein the urine bag (2) is provided with graduations (21) on the outside.

9. The intraperitoneal pressure measuring device according to claim 1, wherein the front end of the catheter (1) is provided with a fixed bag (10).

10. The intraperitoneal perfusion pressure measuring device is characterized in that the urethral catheter (2) and the urethral catheter (1) are made of medical PVC.