CN108056781B - Urine dynamic pressure measuring tube and detection device - Google Patents
Urine dynamic pressure measuring tube and detection device Download PDFInfo
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- CN108056781B CN108056781B CN201711342633.0A CN201711342633A CN108056781B CN 108056781 B CN108056781 B CN 108056781B CN 201711342633 A CN201711342633 A CN 201711342633A CN 108056781 B CN108056781 B CN 108056781B
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- urine
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- 210000002700 urine Anatomy 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 12
- 210000003708 urethra Anatomy 0.000 claims abstract description 6
- 230000010412 perfusion Effects 0.000 claims description 29
- 230000003202 urodynamic effect Effects 0.000 claims description 14
- 238000001802 infusion Methods 0.000 claims description 7
- 230000027939 micturition Effects 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 241000700605 Viruses Species 0.000 abstract description 3
- 230000001580 bacterial effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 8
- 210000001635 urinary tract Anatomy 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000004064 dysfunction Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003372 electrophysiological method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 210000005077 saccule Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000005070 sphincter Anatomy 0.000 description 1
Classifications
-
- 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
-
- 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
- A61B5/204—Determining bladder volume
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- 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
- A61B5/6867—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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Physiology (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a urine dynamic pressure measuring tube taking air as a medium and a urine dynamic detection device using the same; the pressure measuring tube comprises a hose body and a pressure measuring device, the hose body is an air tube, the front end of the air tube is placed into the bladder, and the rear end of the air tube is connected with the pressure measuring device; the rear end of the air pipe is also provided with an inflation 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 invention uses air as medium to transfer pressure change, which has low possibility of bacterial or virus pollution; the pressure measurement by the air balloon can avoid the occurrence of artifacts caused by the blockage of the pressure measurement point by the protrusion of the body wall; the invention can also realize double-tube pressure measurement for measuring urethral pressure trace; the high reliability and high sensitivity of the light sensor at the tail are beneficial to realizing the standardization and automatic report of the urine dynamic detection.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a urine dynamic pressure measuring tube taking air as a medium and a urine dynamic detection device using the urine dynamic pressure measuring tube.
Background
Urodynamic examination is a means for researching the physiological process of urine storage and urination and dysfunction thereof of the lower urinary tract by adopting an electrophysiological method and a sensor technology to detect the pressure, flow rate and bioelectric activity of each part of the lower urinary tract according to the fluid mechanics principle, and is an important method for evaluating the type and degree of the dysfunction of the lower urinary tract. Urodynamic examination has become a clinical routine examination item for urosurgery, and the content of the urodynamic examination item comprises free uroflow rate measurement, bladder pressure volume measurement, urination stage pressure flow rate measurement, urethra pressure distribution measurement, urine leakage point pressure measurement, external sphincter electrogram measurement, image urodynamic examination, dynamic urodynamic measurement and the like.
Pressure-sensitive catheters used in current urodynamic examinations are commonly pressure-sensitive with physiological saline as the medium. The saline medium is easy to generate bacteria or virus retrograde contact pollution, and the body fluid of a patient is polluted to the precision sensor to cause integral replacement, so that the saline medium is high in price and is difficult to bear; or the checking and debugging process is tedious, easy to be interfered, the zeroing time of a detector is longer, the automation degree of the system is lower, and the data is often required to be corrected manually.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a sanitary urine dynamic pressure measuring tube with controllable cost and high detection precision and a urine dynamic detection device using the urine dynamic pressure measuring tube.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The urine dynamic pressure measuring tube comprises a hose body and a pressure measuring device, wherein the hose 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 an inflation connector is further arranged at the rear end of the air tube and used 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 urination period is transmitted to the pressure measuring device through the air in the air reservoir.
As a further improvement of the invention, the hose body is provided with two cavities, wherein one cavity is the air pipe, and the other cavity is a perfusion pipe; the rear end of the perfusion tube is used for being connected with an infusion connector or another pressure measuring device, a side opening is arranged at the position 0.5-1.5 cm away from the end face of the front end, and the opening is sunk on the surface of the perfusion tube.
As a further development of the invention, the pressure sensor is a pressure sensor or a light sensor.
As a further improvement of the invention, the front end of the air tube is not closed, and when the front end of the hose body is placed in the bladder, part of urine flows into the air tube from the front end opening of the air tube; the portion of urine encloses air within an air tube, the air tube located behind the portion of urine forming the air reservoir.
As a further improvement of the invention, the front end of the air tube is provided with a closed inflatable balloon; the balloon has an outer radius of no more than 0.5 cm and the inflated air reservoir is an inflation tube comprising an inflatable balloon.
As a further development of the invention, the balloon, after inflation, has an outer wall which is located at a distance of 5-7 cm from the front end of the flexible pipe body.
As a further improvement of the invention, after the balloon is inflated, the center of the balloon is 5 cm away from the opening of the perfusion tube.
As a further improvement of the invention, the balloon is integrated with the perfusion tube.
The invention also discloses a urine power detection device using the urine power pressure measuring tube, which comprises an A/D converter and a host, wherein the pressure measuring device at the rear end of the urine power pressure measuring tube is connected with the A/D converter, the A/D converter can generate a digital signal through a model data module, then the digital signal is transmitted into the connected host, and the digital signal is analyzed through host analysis software and output results on a display screen of the host.
Further, the result output on the display screen of the host computer can be connected with the 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 invention has the beneficial effects that:
1. air is used as a medium to transmit pressure change, so that the possibility of bacterial or virus pollution is extremely low;
2. air is used as a medium, the sensitivity of pressure variation is enhanced, and the measurement is more accurate;
3. The urine dynamic pressure measuring tube has controllable cost and is disposable, so that the possibility of pollution of pathogenic bacteria is completely eradicated;
4. The urine dynamic pressure measuring tube is internally provided with the pressure measuring device, 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 realized;
5. the light sensor has extremely high detection precision, and the zeroing calibration is completed instantaneously.
6. The perfusion tube in the dual-lumen tube of the present invention can also be used for pressure measurement, implementing a dual-tube pressure measurement function, and can be used for measuring urethral pressure trace (UPP).
7. The side surface of the pouring tube is open, and the opening is sunk on the surface of the tube body, so that the interference of fluid outside the tube is avoided.
8. The extrusion surface of the balloon is the whole surface of the balloon body, and no dead angle exists; the pressure measuring point of the traditional pressure measuring catheter is a point position; if the catheter is pulled in the body to perform pressure measurement on the bladder or the urethra, the pressure measurement point can be prevented from being blocked by the protrusion of the body wall to generate artifacts.
9. The balloon in the invention can also have a positioning function, so that the length of the pressure measuring catheter extending into the body is prevented from being too long.
Drawings
FIG. 1 is a schematic view of a urodynamic pressure measurement tube according to one embodiment of the present invention;
FIG. 2 is a schematic view of another embodiment of a urodynamic pressure tube according to the present invention;
FIG. 3 is a schematic diagram showing a construction of a urine dynamic detecting device using the urine dynamic pressure measuring tube of the present invention.
In the figure: 1 data interface, 2 pressure measurer, 3 inflatable connector, 4 air tube, 51 saccule, 52 front end opening, 6 perfusion tube, 7 side opening, 8 transfusion connector, 9A/D converter, 10 host computer, 11 printer.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments.
FIG. 1 shows a urine dynamic pressure measurement tube according to an embodiment of the present invention, comprising a flexible tube body and a pressure measurement device, wherein the flexible tube body is provided with two chambers, one chamber is provided with an air tube 4, and the other chamber is provided with a perfusion 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 measuring device 2; the pressure measuring device 2 adopts a disposable light sensor with low cost, and has high sensitivity and small interference; the pressure measuring device 2 is also provided with a data interface 1 for data transmission with external connection; the rear end of the air pipe 4 is also provided with an inflation joint 3 for inflation; the front end of the perfusion tube 6 in the double cavity is sealed in a cambered surface shape, so that the perfusion tube is convenient to penetrate in a human body; the opening of the perfusion tube is positioned 0.5-1.5 cm away from the end face of the front end and is arranged on the side face of the perfusion tube 6 to form a side opening 7, so that the irritation to the mucous membrane of a body cavity during liquid perfusion can be avoided; the side opening 7 is arranged below the surface of the perfusion tube 6 to reduce the blockage of mucous membrane and can also be used as a pressure measuring port; the rear end of the perfusion tube is connected with an infusion connector 8, and can be replaced by a pressure measuring device 2 for measuring pressure. When the flexible tube body is put into the bladder, 2-5 ml of air is injected into the front end of the air tube 4 through the air inflation connector 3, part of urine flows into the air tube 4 from the front end opening 52 of the air tube 4, the part of urine seals the air in the air tube 4, and the air tube 4 positioned behind the part of urine forms the air reservoir. Through the infusion joint 8 at the rear end of the infusion tube 6, liquid can be injected into the bladder to fill the bladder; therefore, the pressure of the lower urethra in 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 wire, and analyzed by the system software to obtain a conclusion.
FIG. 2 is a schematic structural view of another embodiment of the urine dynamic pressure measuring tube of the present invention, comprising a flexible tube body and a pressure measuring device 2, wherein the flexible tube body is provided with two cavities, one cavity is an air tube 4, the front end of the air tube 4 is provided with a closed inflatable balloon 51, the rear end of the air tube 4 is connected with the pressure measuring device 2, the pressure measuring device 2 is a pressure sensor or a light sensor, and a data interface 1 is arranged on the pressure measuring device; 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 in a cambered surface shape and is sealed, an opening of the perfusion tube 6 is positioned at the side surface of the perfusion tube 0.5-1.5 cm away from the front end, and the side surface opening 7 is sunk on the surface of the perfusion tube 6; the rear end of the perfusion tube 6 can be connected with an infusion connector 8 or another pressure measurer 2. After the flexible tube body is put into the bladder, 0.5 milliliter of air is injected into the front end of the air tube 4 through the inflation connector 3, and the inflated air reservoir is an inflation tube comprising an inflatable balloon 51. The balloon 51 is inflated so that its outer wall is 5-7 cm furthest from the forward end of the flexible tubular body, which is suitable for securing the urodynamic pressure tube in place in the body. The rear end of the perfusion tube 6 is connected with an infusion connector 8 for injecting liquid into the bladder to fill the bladder. In this embodiment, for example, 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 that when the rear end of the perfusion tube 6 is replaced by another pressure measuring device 2 and the whole urodynamic pressure measuring tube is pulled at a constant speed (0.5-2 mm/s), on the one hand, the pressure distribution measurement is performed by software analysis by utilizing the pressure change of the balloon; on the other hand, the urinary tract pressure profile (UPP) was also measured by two pressure taps 5 cm apart.
FIG. 3 is a schematic structural view of a urine dynamic detection device using the urine dynamic pressure measuring tube of the present invention, including the urine dynamic pressure measuring tube, the A/D converter 9 and the 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 the host analysis software and outputting the result on a display screen of the host. Of course, in other embodiments, the results output on the host display may also be printed by connecting the printer 11, and other access devices may also be connected to the host 10 for multi-device access or remote access.
Finally, it is also noted that the above list is only two specific embodiments of the invention. It is evident that the invention is susceptible to numerous variations, all of which can be directly derived or suggested by the present disclosure by a person skilled in the art, and are considered to be within the scope of the present invention.
Claims (6)
1. The utility model provides a urine power piezometer tube, includes hose body and pressure gauge, the hose body is air pipe (4), bladder is put into to air pipe (4) front end, and the rear end is connected pressure gauge (2), its characterized in that: the rear end of the air pipe (4) is also provided with an inflation connector (3) for injecting air into the front end of the air pipe (4); after air is injected, the air pipe (4) becomes an air reservoir, and the pressure of the lower urethra in the urine storage period and the urination period is transmitted to the pressure measuring device (2) through the air in the air reservoir;
the hose body is provided with two cavities, 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 connecting an infusion connector (8) or another pressure measuring device (2), a side opening (7) is arranged at the position 0.5-1.5 cm away from the end face at the front end, and the side opening (7) is sunk on the surface of the perfusion tube (6);
the pressure measuring device (2) is a pressure sensor or a light sensor;
the front end of the air pipe (4) is provided with a closed inflatable balloon (51); the balloon (51) has an outer radius of no more than 0.5 cm and the inflated air reservoir is an inflation tube comprising the inflatable balloon (51).
2. The urodynamic pressure catheter of claim 1, wherein: the balloon (51) is inflated so that its outer wall is 5-7 cm furthest from the forward end of the flexible pipe body.
3. The urodynamic pressure catheter of claim 2, wherein: after the balloon (51) is inflated, the center of the balloon (51) is 5cm away from the side opening (7) of the perfusion tube (6).
4. A urodynamic pressure catheter as claimed in claim 3, wherein: the balloon wraps the perfusion tube as a whole.
5. A urine power detection device using the urine power pressure measurement tube according to claim 1, further comprising an a/D converter (9) and a main unit (10), characterized in that: the pressure measuring device (2) at the rear end of the urine dynamic pressure measuring tube is connected with the A/D converter (9), the A/D converter (9) can generate a digital signal through a model data module, then the digital signal is transmitted into a connected host (10), and the digital signal is analyzed through host analysis software and output on a host display screen.
6. The urodynamic detection device according to claim 5, wherein: the output result on the display screen of the host computer can be connected with a printer (11) for printing, and other access devices can also be connected with the host computer (10) for multi-device access or remote access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711342633.0A CN108056781B (en) | 2017-12-14 | 2017-12-14 | Urine dynamic pressure measuring tube and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711342633.0A CN108056781B (en) | 2017-12-14 | 2017-12-14 | Urine dynamic pressure measuring tube and detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108056781A CN108056781A (en) | 2018-05-22 |
| CN108056781B true CN108056781B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711342633.0A Active CN108056781B (en) | 2017-12-14 | 2017-12-14 | Urine dynamic pressure measuring tube and detection device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2838534Y (en) * | 2005-05-31 | 2006-11-22 | 成都维信电子科大新技术有限公司 | Measuring fluid pressure cathode used in urine dynamic examination |
| CN103284732A (en) * | 2013-06-17 | 2013-09-11 | 中南大学湘雅三医院 | Urine motivation pressure measurement pipe |
| CN103876724A (en) * | 2014-04-04 | 2014-06-25 | 郑州大学第一附属医院 | Detrusor-sphincter synchronous piezometer tube fixed by double air sacs and used for urodynamics examination |
| CN204468104U (en) * | 2015-03-12 | 2015-07-15 | 张忠国 | Urine power detecting device |
| CN205458725U (en) * | 2015-12-25 | 2016-08-17 | 苏州大学附属第一医院 | Bladder urethra pressure -measuring pipe |
| CN210121146U (en) * | 2017-12-14 | 2020-03-03 | 吴贤忠 | Urine power piezometer tube and detection device |
-
2017
- 2017-12-14 CN CN201711342633.0A patent/CN108056781B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2838534Y (en) * | 2005-05-31 | 2006-11-22 | 成都维信电子科大新技术有限公司 | Measuring fluid pressure cathode used in urine dynamic examination |
| CN103284732A (en) * | 2013-06-17 | 2013-09-11 | 中南大学湘雅三医院 | Urine motivation pressure measurement pipe |
| CN103876724A (en) * | 2014-04-04 | 2014-06-25 | 郑州大学第一附属医院 | Detrusor-sphincter synchronous piezometer tube fixed by double air sacs and used for urodynamics examination |
| CN204468104U (en) * | 2015-03-12 | 2015-07-15 | 张忠国 | Urine power detecting device |
| CN205458725U (en) * | 2015-12-25 | 2016-08-17 | 苏州大学附属第一医院 | Bladder urethra pressure -measuring pipe |
| CN210121146U (en) * | 2017-12-14 | 2020-03-03 | 吴贤忠 | Urine power piezometer tube and detection device |
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| Publication number | Publication date |
|---|---|
| CN108056781A (en) | 2018-05-22 |
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Effective date of registration: 20181214 Address after: 310000 Room 1120, No. 1 Chaowang Road, Xiacheng District, Hangzhou City, Zhejiang Province Applicant after: Wu Xianzhong Address before: 310000 Room 1120, No. 1 Chaowang Road, Xiacheng District, Hangzhou City, Zhejiang Province Applicant before: JINHUA ZHIXIAN TECHNOLOGY Co.,Ltd. |
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