CN210121146U

CN210121146U - Urine power piezometer tube and detection device

Info

Publication number: CN210121146U
Application number: CN201721748392.5U
Authority: CN
Inventors: 吴煜行; 徐智慧; 吴贤忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-14
Filing date: 2017-12-14
Publication date: 2020-03-03
Anticipated expiration: 2027-12-14

Abstract

The utility model discloses a urine dynamic pressure measuring tube using air as a medium and a urine dynamic detection device using the same; the pressure measuring pipe comprises a flexible pipe body and a pressure measuring device, the flexible pipe body is an air pipe, the front end of the air pipe is placed in the bladder, and the rear end of the air pipe is connected with the pressure measuring device; the rear end of the air pipe is also provided with an air charging joint for injecting air into the front end of the air pipe; after the air is injected, the air tube becomes an air reservoir, and the pressure of the lower urethra in the urine storage period and the urine discharge period is transmitted to the pressure measuring device through the air in the air reservoir. The utility model uses air as medium to transmit pressure change, and the possibility of bacterial or virus pollution is extremely low; the pressure measurement can be carried out by using the air balloon, so that the phenomenon that a pressure measurement point is blocked by the protrusion of the body wall to generate a fake image can be avoided; the utility model can also realize double-tube pressure measurement for measuring urethral pressure tracing; the high reliability and the high sensitivity of the light sensor at the tail part are beneficial to realizing the standardization and the automatic report of the urodynamic detection.

Description

Urine power piezometer tube and detection device

Technical Field

The utility model relates to the technical field of medical equipment, the more specifically urine power pressure-measuring pipe that says so is an use air as medium to and utilize the urine power detection device of this urine power pressure-measuring pipe.

Background

The urodynamics examination is a means for researching the physiological process and the dysfunction of urine storage and urination of the lower urinary tract by detecting the pressure, the flow rate and the bioelectricity activity of each part of the lower urinary tract by adopting an electrophysiology method and a sensor technology according to the fluid mechanics principle, and is an important method for evaluating the type and the degree of the dysfunction of the lower urinary tract. Urodynamics testing has become a clinical routine examination item in urology surgery, and the content includes free urine flow rate measurement, bladder pressure volume measurement, pressure flow rate measurement during urination period, urethra pressure distribution measurement, leakage point pressure measurement, external sphincter electrogram measurement, imaging urodynamics testing, dynamic urodynamics measurement, and the like.

The pressure measuring catheter used in the existing urodynamic examination usually uses physiological saline as a medium for pressure conduction. The saline medium is easy to cause reverse contact pollution of bacteria or viruses, the body fluid of a patient is polluted to the precise sensor, and the precise sensor is replaced integrally, so that the cost is high and the precise sensor is difficult to bear; or the checking and debugging process is complicated, the interference is easy to happen, the zeroing time of detection personnel is long, the automation degree of the system is low, and data is required to be corrected manually.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of existence among the prior art, provide a health, cost are controllable and detect the urine power pressure-measuring pipe that the precision is high to and utilize the urine power detection device of this kind of urine power pressure-measuring pipe.

In order to achieve the above object, the utility model provides a following technical scheme:

a urodynamic pressure measuring tube comprises a flexible tube body and a pressure measuring device, wherein the flexible tube body is an air tube, the front end of the air tube is placed into a bladder, the rear end of the air tube is connected with the pressure measuring device, and the rear end of the air tube is also provided with an inflation connector for injecting air into the front end of the air tube; after the air is injected, the air tube becomes an air reservoir, and the pressure of the lower urethra in the urine storage period and the urine discharge period is transmitted to the pressure measuring device through the air in the air reservoir.

As a further improvement of the utility model, the flexible pipe body is a double cavity, one cavity is the air pipe, and the other cavity is the perfusion pipe; the rear end of the perfusion tube is used for connecting an infusion connector or another pressure gauge, a side opening is arranged at the position of the front end, which is 0.5-1.5 cm away from the end face, and the opening is sunken on the surface of the perfusion tube.

As a further improvement of the present invention, the pressure measuring device is a pressure sensor or a light sensor.

As a further improvement of the utility model, the front end of the air tube is not closed, when the front end of the flexible tube body is placed in the bladder, part of urine flows into the air tube from the opening at the front end of the air tube; this portion of urine traps air in the air tube, which air tube behind this portion of urine forms the air reservoir.

As a further improvement of the utility model, the front end of the air tube is provided with a closed inflatable balloon; the outer radius of the balloon is not more than 0.5 cm, and the air reservoir is an inflation tube including an inflatable balloon after inflation.

As a further improvement of the utility model, after the balloon is inflated, the farthest distance between the outer wall of the balloon and the front end part of the flexible pipe body is 5-7 cm.

As a further improvement of the utility model, after the balloon is inflated, the distance between the center of the balloon and the opening of the perfusion tube is 5 cm.

As a further improvement of the utility model, the balloon is wrapped on the perfusion tube as a whole.

The utility model also discloses an utilize urine power detection device of urine power pressure-measuring pipe, including AD converter and host computer, the manometer of urine power pressure-measuring pipe rear end with the AD converter links to each other, the AD converter can pass through model data module with pressure signal and generate digital signal, then spreads into the host computer of connection with digital signal into, through the analysis of host computer analysis software to output result on the host computer display screen.

Further, the output result on the display screen of the host computer can be connected with a printer for printing, and other access devices can also be connected with the host computer for multi-device access or remote access.

Compared with the prior art, the beneficial effects of the utility model are that:

1. air is used as a medium to transfer pressure variation, so that the possibility of bacterial or virus pollution is extremely low;

2. air is used as a medium, so that the sensitivity of pressure change is enhanced, and the measurement is more accurate;

3. the cost of the urodynamic piezometric tube is controllable, the device is disposable, and the possibility of pollution of pathogenic bacteria is completely eradicated;

4. the urine dynamic pressure measuring tube is internally provided with the pressure gauge, so that the detection stability is high, the external pressure interference is obviously reduced, the reliability and the sensitivity are high, and the standardization and the automation report of the urine dynamic detection are favorably realized;

5. the light sensor has extremely high detection precision, and zero setting calibration is completed instantly.

6. The perfusion tube in the double-cavity tube of the utility model can also be used for measuring pressure, realizes the function of double-tube pressure measurement and can be used for measuring urethral pressure tracing (UPP).

7. The utility model discloses a fill pipe side opening, and the opening sinks in the body surface, avoids fluidic interference outside the tubes.

8. The extrusion surface of the balloon in the utility model is the surface of the whole balloon body, so that no dead angle exists; the pressure measuring point of the traditional pressure measuring conduit is a point position; if the catheter is pulled in the body to carry out bladder or urethra pressure measurement, the phenomenon that a pressure measurement point is blocked by a protrusion of a body wall to cause a false image can be avoided.

9. The balloon in the utility model can also have the function of positioning, and the pressure measuring catheter is prevented from extending into the body to a too long length.

Drawings

Fig. 1 is a schematic structural view of a specific embodiment of the urodynamic piezometric tube of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the urodynamic pressure-measuring tube of the present invention;

fig. 3 is a schematic structural view of a urine dynamic detection device using the urine dynamic pressure measuring tube of the present invention.

In the figure: 1 data interface, 2 pressure measuring devices, 3 inflation connectors, 4 air pipes, 51 balloons, 52 front end openings, 6 perfusion pipes, 7 side openings, 8 transfusion connectors, 9A/D converters, 10 hosts and 11 printers.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments.

Fig. 1 is a concrete embodiment of the urodynamic pressure measuring tube of the present invention, which comprises a flexible tube body and a pressure measuring device, wherein the flexible tube body is a double cavity, one of the cavities is an air tube 4, and the other cavity is an infusion tube 6; the front end of the air pipe 4 is provided with an opening 52, and the rear end is connected with the pressure gauge 2; the pressure detector 2 adopts a disposable light sensor with low cost, high sensitivity and small interference; the pressure detector 2 is also provided with a data interface 1 for connecting with the outside for data transmission; the rear end of the air pipe 4 of the utility model is also provided with an inflation joint 3 for inflation; the front end of the perfusion tube 6 in the double cavity is designed to be arc-shaped and closed, so that the perfusion tube can be conveniently inserted into a human body; the opening of the perfusion tube is arranged at a position 0.5-1.5 cm away from the end surface of the front end and is arranged on the side surface of the perfusion tube 6 to form a side opening 7, so that the stimulation to the mucosa of the body cavity can be avoided when liquid is perfused; the side opening 7 is arranged by sinking on the surface of the perfusion tube 6 to reduce the blockage of mucosa and can be used as a pressure measuring opening; the rear end of the perfusion tube is connected with an infusion connector 8 and can also be used as a pressure detector 2 for measuring pressure. When the flexible pipe body is placed in the bladder, 2-5 ml of air is injected into the front end of the air pipe 4 through the inflation connector 3, part of urine flows into the air pipe 4 from the front end opening 52 of the air pipe 4, the air is sealed in the air pipe 4 by the part of urine, and the air pipe 4 behind the part of urine forms the air storage. Liquid can be injected into the bladder through the infusion joint 8 at the rear end of the infusion tube 6, so that the bladder is full; therefore, the pressure of the urethra during the urine storage period and the urination period is transmitted to the pressure measuring device 2 through the air in the air storage device, converted into a digital signal, transmitted to the instrument through a data line, and analyzed by system software to obtain a conclusion.

Fig. 2 is a schematic structural diagram of another embodiment of the urodynamic pressure measuring tube of the present invention, which includes a flexible tube body and a pressure measuring device 2, wherein the flexible tube body has two cavities, one of the cavities is an air tube 4, the front end of the air tube 4 is a sealed inflatable balloon 51, the rear end of the air tube 4 is connected to the pressure measuring device 2, and the pressure measuring device 2 is a pressure sensor or a light sensor and is provided with a data interface 1; the rear end of the air pipe 4 is also provided with an inflation joint 3 for inflation; the other cavity of the hose body is a perfusion tube 6, the front end of the perfusion tube 6 is closed in an arc shape, the opening of the perfusion tube 6 is positioned on the side surface of the perfusion tube 0.5-1.5 cm away from the front end, and the side opening 7 is sunken on the surface of the perfusion tube 6; the rear end of the perfusion tube 6 can be connected with a transfusion joint 8 or another pressure detector 2. When the flexible tube body is placed in the bladder, 0.5 ml of air is injected into the front end of the air tube 4 through the inflation connector 3, and the air storage is an inflation tube comprising an inflatable balloon 51 after inflation. After inflation of the balloon 51, the outer wall thereof is spaced from the front end of the flexible tube body by a distance of 5-7 cm, which is suitable for the fixation of the urodynamic pressure tube in its position in the body. The rear end of the perfusion tube 6 is connected with an infusion joint 8 for injecting liquid into the bladder to fill the bladder. In this embodiment, after the balloon 51 is inflated, the distance between the center of the balloon 51 and the side opening 7 of the perfusion tube 6 is 5 cm, so when another pressure detector 2 is replaced at the rear end of the perfusion tube 6 and the whole urodynamic pressure measuring tube is pulled at a constant speed (0.5-2 mm/s), on one hand, the pressure distribution measurement is performed by software analysis using the pressure change of the balloon; on the other hand, a measured urethral pressure distribution graph (UPP) was also made by passing two pressure points 5 cm apart.

Fig. 3 is a schematic structural diagram of a urine dynamic detection device using the urine dynamic pressure measuring tube of the present invention, which comprises a urine dynamic pressure measuring tube, an a/D converter 9 and a host 10; the a/D converter 9 may generate a digital signal from the pressure signal transmitted from the data interface 1 through the model data module, and then transmit the digital signal to the connected host 10. And analyzing by host analysis software, and outputting the result on a host display screen. Of course, in other embodiments, the output result on the display screen of the host may be connected to the printer 11 for printing, and other access devices may be connected to the host 10 for multi-device access or remote access.

Finally, it is also noted that the above list represents only two embodiments of the invention. Obviously, the present invention can be implemented in many variations, and all variations that can be derived or suggested directly from the disclosure of the present invention by those skilled in the art should be considered as the protection scope of the present invention.

Claims

1. The utility model provides a urodynamic pressure-measuring pipe, includes hose body and manometer, hose body is air pipe (4), the bladder is put into to air pipe (4) front end, and the rear end is connected manometer (2), its characterized in that: the rear end of the air pipe (4) is also provided with an air charging joint (3) for injecting air into the front end of the air pipe (4); after the air is injected, the air tube (4) becomes an air reservoir, and the pressure of the lower urethra in the urine storage period and the urine discharge period is transmitted to the pressure measuring device (2) through the air in the air reservoir.

2. The urodynamic pressure measuring tube of claim 1, wherein: the hose body is a double cavity, one cavity is the air pipe (4), and the other cavity is the perfusion pipe (6); the rear end of the perfusion tube (6) is used for being connected with an infusion connector (8) or another pressure gauge (2), a side opening (7) is arranged at the position, 0.5-1.5 cm away from the end face, of the front end, and the side opening (7) sinks on the surface of the perfusion tube (6).

3. Urodynamic pressure measuring tube according to claim 1 or 2, characterized in that: the pressure measuring device (2) is a pressure sensor or a light sensor.

4. Urodynamic pressure measuring tube according to claim 1 or 2, characterized in that: the front end of the air tube (4) is provided with a closed inflatable balloon (51); the outer radius of the balloon (51) is not more than 0.5 cm, and the air storage device is an inflation tube comprising an inflatable balloon (51) after inflation.

5. The urodynamic pressure measuring tube of claim 4, wherein: after the balloon (51) is inflated, the farthest distance between the outer wall of the balloon and the front end of the flexible pipe body is 5-7 cm.

6. The urodynamic pressure measuring tube of claim 5, wherein: after the balloon (51) is inflated, the distance between the center of the balloon (51) and the side opening (7) of the perfusion tube (6) is 5 cm.

7. The urodynamic pressure measuring tube of claim 6, wherein: the saccule wraps the perfusion tube into a whole.

8. A urodynamic detection device using the urodynamic piezometer tube according to claim 1, further comprising an a/D converter (9) and a main machine (10), characterized in that: the pressure measuring device (2) at the rear end of the urodynamic pressure measuring tube is connected with the A/D converter (9), the A/D converter (9) can enable pressure signals to generate digital signals through the model data module, then the digital signals are transmitted to the connected host (10), the analysis is conducted through host analysis software, and results are output on a host display screen.

9. The urodynamic detection device of claim 8, wherein: the result output on the display screen of the host computer can be connected with a printer (11) for printing.