CN213665303U - Device for measuring pressure of blood vessel sinus in urethral wall - Google Patents
Device for measuring pressure of blood vessel sinus in urethral wall Download PDFInfo
- Publication number
- CN213665303U CN213665303U CN202021487463.2U CN202021487463U CN213665303U CN 213665303 U CN213665303 U CN 213665303U CN 202021487463 U CN202021487463 U CN 202021487463U CN 213665303 U CN213665303 U CN 213665303U
- Authority
- CN
- China
- Prior art keywords
- pressure
- sinus
- way pipe
- puncture
- blood vessel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 20
- 230000010412 perfusion Effects 0.000 claims abstract description 18
- 206010040744 Sinus headache Diseases 0.000 claims description 14
- 230000002792 vascular Effects 0.000 claims description 12
- 238000002001 electrophysiology Methods 0.000 claims description 4
- 230000007831 electrophysiology Effects 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000007915 intraurethral administration Methods 0.000 claims 7
- 230000008859 change Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 5
- 210000002700 urine Anatomy 0.000 abstract description 3
- 210000004877 mucosa Anatomy 0.000 abstract description 2
- 238000003759 clinical diagnosis Methods 0.000 abstract 1
- 210000003708 urethra Anatomy 0.000 description 18
- 241000124008 Mammalia Species 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 206010066218 Stress Urinary Incontinence Diseases 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 2
- 241001494479 Pecora Species 0.000 description 2
- 241000282887 Suidae Species 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000007374 clinical diagnostic method Methods 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- ZFGMDIBRIDKWMY-PASTXAENSA-N heparin Chemical compound CC(O)=N[C@@H]1[C@@H](O)[C@H](O)[C@@H](COS(O)(=O)=O)O[C@@H]1O[C@@H]1[C@@H](C(O)=O)O[C@@H](O[C@H]2[C@@H]([C@@H](OS(O)(=O)=O)[C@@H](O[C@@H]3[C@@H](OC(O)[C@H](OS(O)(=O)=O)[C@H]3O)C(O)=O)O[C@@H]2O)CS(O)(=O)=O)[C@H](O)[C@H]1O ZFGMDIBRIDKWMY-PASTXAENSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 210000003689 pubic bone Anatomy 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 210000002460 smooth muscle Anatomy 0.000 description 1
- 210000005070 sphincter Anatomy 0.000 description 1
- 210000003699 striated muscle Anatomy 0.000 description 1
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model discloses a device for measuring pressure of blood vessel sinus in urethral wall, which comprises a liquid filling pump, a three-way pipe, a puncture pressure measuring needle and a pressure sensor, wherein one channel interface of the three-way pipe is connected with the output end of the liquid filling pump, the other channel interface of the three-way pipe is connected with the input end of the puncture pressure measuring needle, and the third channel interface of the three-way pipe is connected with the signal input end of the pressure sensor; the three-way pipe is provided with a control switch which can simultaneously open or close the three channels. The perfusion and the pressure measurement are carried out in the same chamber, and the pressure measurement point position can be determined in real time according to the pressure curve change traced by the data of the pressure sensor; in addition, the liquid outlet hole of the puncture pressure measuring needle can not be blocked by tissue mucosa in a perfusion state, so that the pressure of the blood vessel sinus in the urethral wall can be accurately recorded; meanwhile, the urine control device is simple in structure, convenient to operate and low in cost, and can be widely applied to clinical diagnosis and scientific research work of a urine control mechanism.
Description
Technical Field
The utility model relates to a medical science detects and experimental facilities, specifically indicates a device that is used for blood vessel sinus pressure survey in the urethra wall, both can be used for carrying out analysis and diagnosis to the human urethra, also can be used for acquireing great mammal urethra data.
Background
Female stress urinary incontinence is a frequently encountered clinical disease, and one of the current clinical diagnostic methods for female stress urinary incontinence is to trace the resting stage or stress stage pressure characteristics of the urethra and insert a special pressure measuring catheter into the urethra for detection. Although the pressure distribution of the whole urethra can be evaluated, the generation mechanism of the urethra pressure map cannot be accurately clarified in the medical field until now due to the limitation of static measurement of the pressure-measured catheter. Through intensive studies, medical workers have found that tissues such as smooth muscle, striated muscle, collagen fiber and elastic fiber in the urethral wall, and abundant vascular sinuses between the urethral mucosa and the muscle layer play an important role in the generation mechanism of urethral pressure. Among these, there is an extremely abundant vascular plexus in the urethral wall, the number of which far exceeds the nutritional requirements of the urethra itself. Researchers have further found that the morphology and distribution of the vascular sinuses within the urethral wall are closely related to the polar distribution characteristics of urethral pressure at various segments of the urethra, and speculate that the vascular sinuses within the urethral wall play an important role in the mechanism of generation of urethral pressure in mammals including humans.
In order to obtain accurate data of the pressure of the blood vessel sinus in the urethral wall and know the factors influencing the pressure change of the blood vessel sinus, medical researchers have tried to design a device capable of dynamically and accurately detecting the pressure of the blood vessel sinus in the urethral wall in real time, but the satisfactory progress is not achieved at present.
Disclosure of Invention
The utility model aims at solving the technical difficulty that the intramural vascular sinus pressure measurement of urethra meets among clinical medical treatment and scientific research work, providing a device that is used for intramural vascular sinus pressure measurement of urethra, it is simple structure not only, low cost, convenient operation, and it is good, data repeatability is high to measure the accuracy moreover.
In order to achieve the above object, the utility model relates to a device for intramural vascular sinus pressure measurement of urethra can use with the cooperation of multichannel electrophysiology appearance, and its special character lies in: the pressure measuring device is mainly formed by combining a liquid filling pump, a three-way pipe, a puncture pressure measuring needle and a pressure sensor. One channel interface of the three-way pipe is connected with the output end of the liquid filling pump through a filling conduit, the other channel interface of the three-way pipe is connected with the input end of the puncture pressure measuring needle through a pressure measuring conduit, and the third channel interface of the three-way pipe is connected with the signal input end of the pressure sensor. The three-way pipe is also provided with a control switch which can simultaneously open or close the three channels, and the control switch is in an open state when measuring pressure and is in a closed state when not measuring pressure.
The working principle of the utility model is as follows: when carrying out the intramural blood vessel sinus pressure detection of urethra, control switch is in the on-state, and each passageway of three-way pipe communicates each other, and liquid filling pump exports liquid and provides invariable pressure through filling the pipe, and this pressure transmits for the puncture pressure measuring needle through the pressure measuring pipe, and the puncture pressure measuring needle is used for realizing the location and the pressure measurement of intramural blood vessel sinus of urethra to get off by pressure sensor real-time recording, transmit multichannel electrophysiology appearance and trace into the pressure distribution diagram.
Preferably, the liquid filling pump may be a filling pump disposed on the height-adjustable bracket, or a filling pump disposed on the height-adjustable hanger. Thus, the height of the liquid perfusion pump can be properly adjusted according to the requirements of liquid perfusion speed and perfusion pressure, and constant pressure can be provided for the pressure tracing of the blood vessel sinus in the urethral wall.
Furthermore, puncture pressure-measuring needle includes the needle joint of taking the handle and the cylinder section rather than linking to each other, be provided with scale mark line on the stack shell of cylinder section, the most advanced slope of cylinder section is provided with oval liquid hole, oval liquid hole forms sharp most advanced for the axial of cylinder section. The axial inclination angle of the outlet plane of the elliptical liquid outlet hole relative to the needle cylinder section can be designed to be within the range of 15-25 degrees. The scale marking line is arranged, so that the insertion depth of the puncture pressure measuring needle can be intuitively mastered, and the distance between the measured pressure point of the blood vessel sinus and the external orifice of the urethra is determined. The oval liquid outlet holes with a certain inclination angle are arranged, so that the needle insertion resistance can be reduced, the area of the liquid outlet holes is increased, and the blood blockage is prevented.
Furthermore, the length H of the needle cylinder section is 20-70 mm, the scale marking lines are arranged at intervals by taking the tip of the needle cylinder section as a starting point, and the distance between every two scale marking lines is 1-2 mm.
Still further, the outer diameter of the syringe section is 0.23mm, and the inner diameter is 0.11 mm.
Still further, the perfusion catheter and the pressure measuring catheter are medical polyvinyl chloride tubes, so that the perfusion catheter and the pressure measuring catheter are safe and sanitary, and products are easy to obtain.
Compare with traditional static urethral pressure and trace device, the utility model has the advantages of several aspects as follows:
firstly, this device is filled liquid and is gone on at same pressure cavity with puncture pressure measurement setting through the three-way pipe, and operating personnel can confirm in real time the pressure measurement hole position of puncture pressure measurement needle according to the pressure curve change that pressure sensor data described out, is in blood vessel sinus position or non-blood vessel sinus tissue position promptly to improve measuring accuracy nature.
Secondly, this device can guarantee that puncture pressure probe's play liquid hole can not blockked up by the tissue mucous membrane under the liquid filling state of constant pressure, is difficult for receiving the foreign matter and disturbs to can trace urethra intra-mural blood vessel sinus pressure more accurately, the pressure data precision that surveys is high, good reproducibility, the pressure curve distortion degree that traces according to the data of surveying is little.
Thirdly, the device has the advantages of few component combinations, simple structural design, convenient and easy operation and low price.
Fourthly, the device can be widely applied to clinical, scientific research and teaching work related to the research of the urine control mechanism, can be applied to the diagnosis of human stress urinary incontinence in clinical practice, and can accurately record the pressure of blood vessel sinuses in the urethral wall of larger mammals including dogs, pigs, sheep, cows and monkeys in medical experiments, thereby providing a good means for further researching the urethral function.
Drawings
Fig. 1 is a schematic front view of a device for pressure measurement of the vascular sinuses within a urethral wall.
Fig. 2 is an enlarged structure schematic diagram of the puncture pressure measuring needle in fig. 1.
The components in the figures are numbered as follows: the device comprises a liquid filling pump 1, a filling conduit 2, a three-way pipe 3, a control switch 4, a pressure measuring conduit 5, a pressure sensor 6 and a puncture pressure measuring needle 7 (wherein, the needle joint 7a, a needle cylinder section 7b, scale marking lines 7c and an oval liquid outlet hole 7 d).
Detailed Description
The present invention is described in further detail below with reference to the following figures and specific examples, which should not be construed as limiting the invention.
The device for measuring the pressure of the blood vessel sinus in the urethral wall as shown in figures 1-2 is mainly formed by combining a liquid perfusion pump 1, a three-way pipe 3, a puncture pressure measuring needle 7 and a pressure sensor 6. The liquid filling pump 1 can adopt a filling pump arranged on a height-adjustable support and also can adopt a filling pump arranged on a height-adjustable lifting appliance, so that the height of the liquid filling pump can be adjusted in time according to actual needs, and the speed and the constant pressure required for generating the liquid filling pump are ensured.
One channel connection of the three-way pipe 3 is connected via a filling line 2 to the output of a liquid filling pump 1 arranged at a higher level for the purpose of discharging liquid and providing a constant pressure. The other channel interface of the three-way pipe 3 is connected with the input end of a puncture pressure measuring needle 7 through a pressure measuring catheter 5 and is used for realizing puncture injection of the blood vessel sinus in the urethral wall. The third channel interface of the three-way pipe 3 is connected with the signal input end of the pressure sensor 6 and is used for providing a pressure sensing signal and transmitting the signal data to a multi-channel electrophysiology instrument (not shown in the figure). The puncture pressure measuring needle 7 can adopt 32G medical finished products and can also be designed into required sizes. The perfusion catheter 2 and the pressure measuring catheter 5 are medical polyvinyl chloride tubes, the length of the perfusion catheter 2 is selected according to needs, and the length of the pressure measuring catheter 5 is generally 50 cm. The three-way pipe 3 is also provided with a control switch 4 which can simultaneously open or close the three channels, and the control switch 4 is in an open state when measuring pressure and is in a closed state when not measuring pressure.
More specifically, the puncture pressure measuring needle 7 mainly comprises a needle joint 7a with a handle and a needle cylinder section 7b connected with the needle joint, and a scale marking line 7c is arranged on the cylinder body of the needle cylinder section 7b to determine the insertion depth of the needle cylinder section. The tip of the syringe section 7b is obliquely provided with an oval liquid outlet hole 7d, and the axial inclination angle of the outlet plane of the oval liquid outlet hole 7d relative to the syringe section 7b is 15-25 degrees. Wherein, the length H of cylinder section 7b is 20 ~ 70mm, and scale mark line 7c uses the pointed end of cylinder section 7b as the starting point interval setting, and the interval of every scale mark line 7c is 1 ~ 2 mm. The syringe section 7b has an outer diameter of 0.23mm and an inner diameter of 0.11 mm. The diameter of the blood vessel sinuses in the urethral wall of the large mammal is about 100-400 mu m, and the blood vessel sinuses are communicated with each other, so the design parameters of the puncture pressure measuring needle 7 are just suitable for the pressure detection of the blood vessel sinuses in the urethral wall of dogs, pigs, sheep, cows and monkeys.
In the embodiment, the liquid pressure in the pipe system cavity of the pressure measuring device and the liquid speed flowing out of the puncture pressure measuring needle 7 are adjusted by the height of the liquid filling pump 1 and are recorded by the pressure sensor 6, and the pressure of the oval liquid outlet hole 7d of the puncture pressure measuring needle 7 is equal to the pressure of the input end of the pressure sensor 6. The constant liquid pressure provided by the liquid perfusion pump 1 can not only prevent the oval liquid outlet 7d from being blocked, but also confirm whether the oval liquid outlet 7d is in the blood vessel sinus in real time. If the oval liquid outlet 7d is positioned in the blood vessel sinus, the liquid flowing out under the constant pressure provided by the liquid perfusion pump 1 can smoothly enter the blood vessel sinus and flow away with the blood, and the pressure sensor 6 can record a stable pressure curve at the moment.
The utility model discloses during the specific application, its operating procedure as follows:
1. and opening a control switch 4 on the three-way pipe 3 to enable the sodium heparin normal saline to freely flow out from an elliptical liquid outlet hole 7d of the puncture pressure measuring needle 7, emptying the gas in the tube cavity of the perfusion catheter 2 and the pressure measuring catheter 5, and adjusting the height of the liquid perfusion pump 1 according to the requirement, wherein the flowing speed of the liquid from the elliptical liquid outlet hole 7d is preferably 0.05 ml/min.
2. And adjusting the outflow speed of the elliptical liquid outlet hole 7d, and placing the elliptical liquid outlet hole 7d on the plane of the urethral orifice to be measured for pressure calibration and zero setting. Then, the puncture pressure-measuring needle 7 is placed into the submucosal blood vessel sinus tissue around the external orifice of the urethra, and the pressure curve traced by the data of the pressure sensor 6 and the scale marking line 7c on the syringe section 7b are observed at the same time to grasp the puncture depth.
3. In the puncture process, if a straight-line rising pressure curve with a certain slope appears in the data tracing of the pressure sensor 6, the oval liquid outlet 7d at the tip is indicated to be in non-vascular sinus tissue, and the puncture direction and depth need to be adjusted; if the data of the pressure sensor 6 can record a stable pressure curve close to the horizontal, the pressure curve of the bladder is pressed on the pubic bone to rise, and the pressure curve is restored to the original stable level after being relaxed, which indicates that the oval liquid outlet 7d of the puncture pressure measuring needle 7 is positioned in the blood vessel sinus tissue.
4. The insertion depth is adjusted according to the scale marking lines 7c marked on the syringe section 7b, and the pressure change of the vascular sinuses of different urethral sections can be recorded.
5. And after the pressure measurement of the blood vessel sinus is finished, closing the control switch 4 on the three-way pipe 3, and finishing the pressure measurement. If the pressure measurement needs to be carried out again, the control switch 4 is turned on again, and the pressure measurement mode is entered again.
It should be noted that the pressure measuring device must be used for evacuating the gas in the whole lumen, and the lower perfusion speed is selected as far as possible so as not to influence the real pressure value of the blood vessel sinus. During the puncture process, the puncture cannot be performed blindly so as to avoid damaging the urethral sphincter, and whether the oval liquid outlet hole 7d enters the blood vessel sinus in the urethral wall or not is determined and positioned according to the scale marking line 7c of the puncture pressure measuring needle 7 and the change trend of the pressure curve traced by the data of the pressure sensor 6.
To sum up, with the help of the above technical scheme of the utility model, not only can accurately realize that urethra intramural vascular sinus pressure traces, simple structure, convenient operation moreover. The pressure detection and analysis instrument can be used for detecting and diagnosing female stress urinary incontinence in clinical medical practice and can also be used for detecting and analyzing the pressure of blood vessel sinuses in the urethral wall of a large-volume mammal in clinical scientific research.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements and the like made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A device for measuring the pressure of blood vessel sinus in urethral wall can be used with a multi-channel electrophysiology instrument, and is characterized in that: the device is mainly formed by combining a liquid filling pump (1), a three-way pipe (3), a puncture pressure measuring needle (7) and a pressure sensor (6); one channel interface of the three-way pipe (3) is connected with the output end of the liquid perfusion pump (1) through a perfusion catheter (2), the other channel interface of the three-way pipe (3) is connected with the input end of a puncture pressure measuring needle (7) through a pressure measuring catheter (5), and the third channel interface of the three-way pipe (3) is connected with the signal input end of a pressure sensor (6); the three-way pipe (3) is also provided with a control switch (4) capable of simultaneously opening or closing the three channels, and the control switch (4) is in an opening state when pressure is measured and is in a closing state when pressure is not measured.
2. A device for intraurethral mural sinus pressure measurement according to claim 1, wherein: the liquid filling pump (1) is arranged on the height-adjustable support.
3. A device for intraurethral mural sinus pressure measurement according to claim 1, wherein: the liquid filling pump (1) is arranged on the height-adjustable lifting appliance.
4. A device for intraurethral wall vascular sinus pressure determination according to claim 1, 2 or 3, characterized in that: puncture pressure measuring needle (7) are including needle head (7a) of taking the handle and syringe section (7b) rather than linking to each other, be provided with scale mark line (7c) on the stack shell of syringe section (7b), the most advanced slope of syringe section (7b) is provided with oval liquid hole (7d), oval liquid hole (7d) form sharp most advanced for the axial of syringe section (7 b).
5. A device for intraurethral sinus pressure measurement according to claim 4, wherein: the axial inclination angle of the outlet plane of the oval liquid outlet hole (7d) relative to the needle cylinder section (7b) is 15-25 degrees.
6. A device for intraurethral sinus pressure measurement according to claim 4, wherein: the length H of syringe section (7b) is 20 ~ 70mm, scale mark line (7c) use the pointed end of syringe section (7b) to set up as the starting point interval, and the interval of every scale mark line (7c) is 1 ~ 2 mm.
7. A device for intraurethral mural sinus pressure measurement according to claim 6, wherein: the outer diameter of the syringe section (7b) is 0.23mm, and the inner diameter is 0.11 mm.
8. An apparatus for intraurethral mural sinus pressure measurement according to claim 7, wherein: the perfusion catheter (2) and the pressure measuring catheter (5) are medical polyvinyl chloride tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487463.2U CN213665303U (en) | 2020-07-24 | 2020-07-24 | Device for measuring pressure of blood vessel sinus in urethral wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487463.2U CN213665303U (en) | 2020-07-24 | 2020-07-24 | Device for measuring pressure of blood vessel sinus in urethral wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213665303U true CN213665303U (en) | 2021-07-13 |
Family
ID=76744133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021487463.2U Expired - Fee Related CN213665303U (en) | 2020-07-24 | 2020-07-24 | Device for measuring pressure of blood vessel sinus in urethral wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213665303U (en) |
-
2020
- 2020-07-24 CN CN202021487463.2U patent/CN213665303U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205458725U (en) | Bladder urethra pressure -measuring pipe | |
| CN110738888A (en) | Intelligent training method and system for catheterization | |
| CN210409215U (en) | Improved ultrasonic guided deep vein puncture needle | |
| CN213665303U (en) | Device for measuring pressure of blood vessel sinus in urethral wall | |
| CN205598406U (en) | Multi -functional catheter of measurable body temperature, intravesical pressure power | |
| CN204274463U (en) | A kind of radiography labelling measuring guide | |
| CN108903959B (en) | Method for clinical pressure measurement of double-cavity bladder by using silica gel catheter | |
| CN111359026A (en) | Multifunctional single-guide indwelling catheterization and drainage device | |
| CN213696893U (en) | Medical multi-functional water column pressure measurement device | |
| CN103877668A (en) | Disposable urethral catheter for measuring body temperature and abdominal pressure | |
| CN205126224U (en) | Department of neurology is clinical in measuring sampler | |
| CN209301977U (en) | A kind of bladder conduit | |
| CN107374654A (en) | One kind can survey bladder pressure catheter | |
| CN210121146U (en) | Urine power piezometer tube and detection device | |
| CN205964036U (en) | Two -chamber urodynamic pressure measurement pipe | |
| CN111281369A (en) | Pressure measuring catheter in renal pelvis | |
| CN112274098A (en) | Disposable aseptic ureter guide sheath | |
| CN201929950U (en) | Microminiaturized arterial pressure measuring sensor | |
| CN205252271U (en) | Once only survey body temperature, survey abdominal pressure catheter | |
| CN206896334U (en) | A kind of Spatial Multi-Dimensional biology loine pressure detection probe and system applied to urinary system | |
| CN2882579Y (en) | Multifunction liquid discharger for retina | |
| CN108056781B (en) | Urine dynamic pressure measuring tube and detection device | |
| CN221673097U (en) | Bendable negative pressure sheath | |
| CN221787838U (en) | Catheter capable of measuring pressure in bladder | |
| CN213850625U (en) | Disposable aseptic ureter guide sheath |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |