CN213698193U - Drainage tube with intracranial pressure monitoring function and intracranial operation medical equipment - Google Patents
Drainage tube with intracranial pressure monitoring function and intracranial operation medical equipment Download PDFInfo
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- CN213698193U CN213698193U CN202022038751.6U CN202022038751U CN213698193U CN 213698193 U CN213698193 U CN 213698193U CN 202022038751 U CN202022038751 U CN 202022038751U CN 213698193 U CN213698193 U CN 213698193U
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Abstract
The utility model discloses a drainage tube and intracranial operation medical equipment with intracranial pressure monitoring function. This drainage tube includes drainage tube body, monitoring body, pressure measurement probe and pressure sensor. One end of the drainage tube body can extend into the ventricle of the patient, and the other end extends out of the ventricle and is provided with a drainage channel. A plurality of through holes are arranged on the side wall of the top end of the drainage tube body to communicate with the drainage channel. The monitoring tube body is arranged in the drainage tube body, is axially parallel to the drainage tube body and is mutually attached to form a double-row tube structure. The utility model discloses utilize two calandria structures, one is used for the drainage, and another then is used for installing monitor and pressure sensor, realizes intracranial pressure monitoring promptly in the drainage, utilizes the drainage tube drainage to go out the cerebrospinal fluid and change the pressure variation of cerebrospinal fluid, and the intracranial pressure that detects can provide the basis for the drainage again, and then can guarantee the reasonable of drainage and go on, prevents that the drainage is excessive or the drainage is not enough, improves drainage efficiency and effect.
Description
Technical Field
The utility model relates to a clinical medical technical field's a drainage tube especially relates to a drainage tube with intracranial pressure monitoring function, still relates to an intracranial operation medical equipment.
Background
Icp refers to the pressure of cranial contents (brain tissue, cerebrospinal fluid, blood) against the wall of the cranial cavity. Increased intracranial pressure means that the intracranial pressure continues to exceed 15mmHg (20cmH2O or 2.00 kPa). Various serious nervous system diseases, such as craniocerebral trauma, cerebrovascular diseases, encephalitis, meningitis, venous sinus thrombosis, brain tumor and the like, are often accompanied by intracranial pressure increase of different degrees. The increase of the intracranial pressure can cause the patient to have consciousness disorder, and serious patients have cerebral hernia, and can endanger life in a short time. The intracranial pressure monitoring has important clinical significance for judging the state of an illness and guiding the treatment of reducing the intracranial pressure. Intracranial pressure monitoring can be divided into intraventricular, intraparenchymal, subdural, and epidural manometry depending on where the sensor is placed. The sequence according to the accuracy and feasibility is as follows: intraventricular catheters > intraparenchymal optic fiber sensors > subdural sensors > epidural sensors. At present, intracranial pressure is measured by leading cerebrospinal fluid in a ventricle out through a drainage tube and measuring the pressure by leveling and utilizing the principle of a communicating vessel. However, the drainage tube can only simply drain the cerebrospinal fluid, so that the subsequent pressure measurement is very inconvenient, and the accuracy of intracranial pressure monitoring is low.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that the measurement of intracranial pressure is inconvenient and the accuracy is low after the current drainage tube drainage, the utility model provides a drainage tube and intracranial operation medical equipment with intracranial pressure monitor function.
The utility model discloses a following technical scheme realizes: a drainage tube with intracranial pressure monitoring, comprising:
one end of the drainage tube body can extend into the ventricle of the brain of a patient, and the other end of the drainage tube body extends out of the ventricle and is provided with a drainage channel; the top end of the drainage tube body is a closed end, and a plurality of through holes are formed in the side wall of the top end of the drainage tube body to be communicated with the drainage channel;
the monitoring tube body is arranged in the drainage tube body, is axially parallel to the drainage tube body and is mutually attached to form a double-row tube structure;
the pressure measuring probe is arranged at one end of the monitoring pipe body close to the closed end; a plurality of detection holes which are contacted with the intracranial cerebrospinal fluid in the ventricle are formed in the pressure measuring probe; the surface of the pressure measuring probe is covered with a film, and the film covers the detection hole; the front end of the pressure measuring probe is provided with a cavity communicated with the detection hole, and the cavity is filled with inert gas; the rear end of the pressure measuring probe is communicated with the front end;
a pressure sensor built in the rear end and used for acquiring the pressure of the membrane by sensing the pressure of the inert gas and detecting the intracranial pressure of the cerebrospinal fluid to the cranial cavity wall.
The utility model discloses an increase the monitoring body on the basis of drainage body, form double tubular structure, one is used for the drainage, and another person then is used for installing monitor and pressure sensor, film on the pressure measurement probe can take place to warp under the pressure effect of cerebrospinal fluid, and then exert pressure on the inert gas in the cavity, inert gas is with the pressure transmission and exert on pressure sensor, pressure sensor just can detect out intracranial pressure like this, realize intracranial pressure monitoring promptly in the drainage, the inconvenient and low technical problem of accuracy of measurement intracranial pressure after having solved current drainage tube drainage, the convenient and high technological effect of accuracy of intracranial pressure monitoring has been obtained.
As a further improvement of the above scheme, the pipe diameter of the monitoring pipe body is smaller than that of the drainage pipe body, and the length of the monitoring pipe body located in the ventricles is smaller than that of the drainage pipe body located in the ventricles.
As a further improvement of the scheme, the closed end is of a hemispherical structure, and a plurality of through holes are arranged on the side wall of the drainage tube body close to the hemispherical structure at equal intervals.
Further, the drainage tube body and the monitoring tube body are integrally formed, and the through hole is formed in the side wall of the portion, exceeding the end face of the monitoring tube body, of the drainage tube body.
And furthermore, the length of the pressure measuring probe is smaller than the length difference between the drainage tube body and the monitoring tube body, and the pressure measuring probe is inserted into the monitoring tube body.
As a further improvement of the above scheme, a plurality of detection holes are arranged around the central axis of the pressure measuring probe and are arranged on the side wall of the pressure measuring probe; each detection hole is oval, and the long axis direction is parallel to the central axis of the pressure measuring probe.
As a further improvement of the above solution, the radius of the front end is larger than the radius of the rear end, and the detection hole is formed in the front end; the one end that the front end kept away from the rear end is the hemisphere, the front end with the detachable connection of rear end.
As a further improvement of the above scheme, the pressure measuring probe is a polymer compound probe, and the film is a polymer film.
As a further improvement of the above solution, the drainage tube further comprises a sensor interface; the sensor interface is mounted on the rear end and connected with the pressure sensor.
The utility model also provides intracranial operation medical equipment, which comprises a collecting system and the drainage tube with the intracranial pressure monitoring function; the collecting system is used for collecting cerebrospinal fluid discharged from the drainage tube body and is provided with a display screen; the collection system is used for measuring the collection amount of the collected cerebrospinal fluid and displaying the cerebrospinal fluid on the display screen. The display screen is also used for displaying the intracranial pressure detected by the pressure sensor.
Compare in current drainage tube, the utility model discloses a drainage tube and intracranial operation medical equipment with intracranial pressure monitoring function has following beneficial effect:
1. this drainage tube with intracranial pressure monitoring function, it is through increasing the monitoring body on the basis of drainage body, form double-row tubular structure, one is used for the drainage, and another then is used for installing monitor and pressure sensor, realize intracranial pressure monitoring in the drainage promptly, utilize the drainage tube drainage to go out the cerebrospinal fluid and change the pressure change of cerebrospinal fluid, and the intracranial pressure of detection can provide the basis for the drainage again, and then can guarantee the reasonable of drainage and go on, prevent that the drainage is excessive or the drainage is not enough, improve drainage efficiency and effect.
2. This drainage tube with intracranial pressure monitoring function, the film on its pressure measuring probe can take place to warp under the pressure effect of cerebrospinal fluid, and then apply pressure on the inert gas in the cavity, and inert gas transmits pressure and applies on pressure sensor, and pressure sensor just can detect intracranial pressure like this to can audio-visual monitoring hydrocephalus pressure and pressure variation. Because the size of pressure measurement probe is less, and simultaneously optical fiber sensor and corresponding optic fibre are all thinner, can realize that the drilling of pressure measurement probe inserts to utilize the principle of air conduction to detect, need not to utilize the principle of linker, easy operation can carry out the cerebrospinal fluid drainage in step.
3. This drainage tube with intracranial pressure monitoring function, its detection effect that utilizes the film and the perception cerebrospinal fluid pressure force, and the film then can be the polymer film, and its withstand voltage and reaction are sensitive, can detect the pressure variation of cerebrospinal fluid more accurately like this, improves the detection accuracy and the precision of intracranial pressure, eliminates a series of problems that utilize the linker to bring.
4. This drainage tube with intracranial pressure monitoring function, the pressure measuring probe that its used is equipped with front end and rear end, detachable connection between front end and the rear end, like this after single use pressure measuring probe, the front end can be regarded as disposable consumables and abandon, the sensor of rear end and inside then continues to use, guarantee on the one hand like this that the film of surveying intracranial pressure at every turn all has never been used, it is more accurate to detect, the higher part of value is still used in the pressure measuring probe of on the other hand, thereby improve the rate of utilization of device, reduce the monitoring cost.
5. This intracranial surgery medical equipment, its beneficial effect is the same with the above-mentioned beneficial effect that has intracranial pressure monitor function's drainage tube, does not do the perusal here again.
Drawings
Fig. 1 is a schematic perspective view of a drainage tube with intracranial pressure monitoring function in accordance with embodiment 1 of the present invention.
Fig. 2 is a schematic perspective view of the drainage tube and the monitoring tube with intracranial pressure monitoring function in fig. 1.
FIG. 3 is a schematic view of the drainage tube with intracranial pressure monitoring function of FIG. 1 viewed from the axial direction.
FIG. 4 is a schematic perspective view of a monitoring tube and a pressure measuring probe of the drainage tube with intracranial pressure monitoring function in FIG. 1.
Fig. 5 is a schematic perspective view of the pressure measuring probe with intracranial pressure monitoring function in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
Referring to fig. 1-5, the present embodiment provides a drainage tube with intracranial pressure monitoring function, which is used for monitoring various neurological diseases. When the drainage tube is used, the drainage tube can be used after a simple drilling operation. Before use, under the clinical aseptic condition, the anterior horn of the right ventricle of a patient is selected for puncture, a preset distance I is arranged behind the hairline or a preset distance II is arranged on the eyebrow arch, skull drill holes are arranged at three positions with a preset distance beside the midline, and the puncture direction is perpendicular to the connecting line of two external auditory canals. In this embodiment, the first preset distance may be 2cm, the second preset distance may be 9cm, and the third preset distance may be 2.5cm, and of course, these preset distances may also be determined according to actual needs, and specifically should be determined according to the body condition of each patient. Wherein, this drainage tube includes drainage tube body 6, monitoring body 8, pressure measurement probe 1 and pressure sensor, can also include sensor interface 5.
One end of the drainage tube body 6 can extend into the ventricle of the brain of the patient, and the other end extends out of the ventricle and is provided with a drainage channel. A plurality of through holes 7 are arranged on the side wall of the top end of the drainage tube body 6 to be communicated with the drainage channel. In this embodiment, the closed end is a hemispherical structure, and a plurality of through holes 7 are formed at equal intervals on the side wall of the drainage tube body 6 close to the hemispherical structure. The specific size of the drainage tube body 6 can be set as required, and the length, thickness and material of the drainage tube body can adopt the related parameters of the existing drainage tube. The drainage tube body 6 can discharge intracranial cerebrospinal fluid in the ventricle, namely the cerebrospinal fluid enters the drainage channel through the through holes 7, and the drainage channel further drains the cerebrospinal fluid into a designated container.
Referring to fig. 5, the monitoring tube 8 is disposed in the drainage tube, and is axially parallel to the drainage tube 6 and bonded to each other to form a double-row tube structure. In this embodiment, the diameter of the monitoring tube 8 is smaller than the diameter of the drainage tube 6, and the length of the monitoring tube 8 in the ventricle is smaller than the length of the drainage tube 6 in the ventricle. The drainage tube body 6 and the monitoring tube body 8 are integrally formed, and the through hole 7 is formed in the side wall of the part, exceeding the end face of the monitoring tube body 8, of the drainage tube body 6.
Referring to fig. 5, the pressure measuring probe 1 is installed on the end of the monitoring tube 8 near the closed end, and the length of the pressure measuring probe 1 is smaller than the length difference between the drainage tube 6 and the monitoring tube 8, and the pressure measuring probe 1 is inserted into the monitoring tube 8. The pressure measuring probe 1 is provided with a plurality of detection holes 4 contacting with intracranial cerebrospinal fluid. The surface of the pressure measuring probe 1 is covered with a thin film, and the thin film covers the detection hole 4. The front end 2 of the pressure measuring probe 1 is provided with a cavity communicated with the detection hole 4, and the cavity is filled with inert gas. The rear end 3 of the pressure measuring probe 1 is communicated with the front end 2, and a pressure sensor is arranged in the pressure measuring probe. In the present embodiment, the main body portion of the pressure measuring probe 1 is mainly constituted by the front end 2 and the rear end 3, both of which are cylindrical structures, and the shape is a cylindrical shape. The radius of front end 2 is greater than the radius of rear end 3, and the one end that rear end 3 was kept away from to front end 2 is the hemisphere moreover, and front end 2 is connected with rear end 3 is detachable. Thus, after the pressure measuring probe 1 is used once, the front end 2 can be discarded as a disposable consumable, and the rear end 3 and the internal sensor can be continuously used, so that the film for detecting the intracranial pressure each time is not used, the detection is more accurate, and the part with higher value in the pressure measuring probe 1 is used, thereby improving the utilization rate of devices and reducing the monitoring cost. It should be noted here that the front end 2 and the rear end 3 may be replaced by other names in other embodiments, such as a front half and a rear half, but the specific structure and shape may be the same as those in the present embodiment.
The plurality of detection holes 4 are arranged around the central axis of the pressure measuring probe 1 and are arranged on the side wall of the pressure measuring probe 1. Each detection hole 4 is oval, and the long axis direction is parallel to the central axis of the pressure measuring probe 1. The detection hole 4 is formed in the front end 2, i.e., in a side wall of the front end 2. In this embodiment, the number of inspection hole 4 is three, and these three inspection hole 4 equidistant setting, and the total area of these three inspection hole 4 will be as big as possible moreover, and the maximize occupies the side of front end 2, guarantees to have enough big contact surface with the cerebrospinal fluid. In fact, if the area of the detection hole 4 is large enough, it is mainly to make the area of the movable membrane large enough, so that the inert gas can be sufficiently pressed to generate a large enough volume change of the inert gas. Therefore, the three holes can increase the contact area with the hydrocephalus to realize more accurate measurement.
The pressure measuring probe 1 is a polymer probe, and the film is a polymer film. The pressure measuring probe 1 is formed by adopting a high molecular compound, the strength of the pressure measuring probe 1 is good, the film is made of a high molecular material, the flexibility and the restorability of the film are very good, the film is pressure-resistant and sensitive in reaction, so that the pressure change of cerebrospinal fluid can be detected more accurately, and the detection accuracy and precision of intracranial pressure are improved.
The pressure sensor is used for detecting the pressure of the membrane by sensing the pressure of the inert gas, and the intracranial pressure detection mechanism converts the pressure into intracranial pressure. The pressure sensor can adopt the existing optical fiber pressure sensor, and the corresponding optical fiber of the pressure sensor penetrates out of the ventricle and can be connected with external equipment. In this embodiment, when the pressure probe 1 is specifically installed, under clinical aseptic conditions, the anterior ventricular corner of the right side of the patient is selected for puncture, a skull hole is drilled at a preset distance one behind the hairline or a preset distance two on the eyebrow arch and a preset distance three positions beside the midline, and the puncture direction is perpendicular to the connection line of the two external auditory canals. The preset distance one can be 2cm, the preset distance two can be 9cm, and the preset distance three can be 2.5cm, and of course, these preset distances can also be determined according to actual needs, and specifically should be determined according to the body condition of each patient.
A sensor interface 5 is mounted on the rear end 3 and is connected to the pressure sensor. The sensor interface 5 is an interface between the pressure sensor and the optical fiber, so that the optical fiber or the rear end 3 of the pressure measuring probe 1 can be conveniently replaced, and meanwhile, the installation and the disassembly are convenient. The sensor interface 5 may be an existing optical fiber sensor interface 5 that connects the optical fiber sensor and the optical fiber.
In summary, compared with the existing drainage tube, the drainage tube with intracranial pressure monitoring function of the embodiment has the following advantages:
1. this drainage tube with intracranial pressure monitoring function, it is through increasing monitoring body 8 on drainage tube body 6 basis, form double-row tubular structure, one is used for the drainage, and another then is used for installing monitor and pressure sensor, realize intracranial pressure monitoring when the drainage promptly, utilize the drainage tube drainage to go out the cerebrospinal fluid and change the pressure change of cerebrospinal fluid, and the intracranial pressure of detection can provide the basis for the drainage again, and then can guarantee the reasonable of drainage and go on, prevent that the drainage is excessive or the drainage is not enough, improve drainage efficiency and effect.
2. This drainage tube with intracranial pressure monitoring function, the film on its pressure measuring probe 1 can take place to warp under the pressure effect of cerebrospinal fluid, and then apply pressure on the inert gas in the cavity, and inert gas transmits pressure and applies on pressure sensor, and pressure sensor just can detect intracranial pressure like this to can audio-visual monitoring hydrocephalus pressure and pressure variation. Because pressure probe 1's size is less, and simultaneously optical fiber sensor and corresponding optic fibre are all thinner, can realize that pressure probe 1's drilling inserts to utilize the principle of air conduction to detect, need not to utilize the principle of linker, easy operation can carry out the cerebrospinal fluid drainage in step.
3. This drainage tube with intracranial pressure monitoring function, its detection effect that utilizes the film and the perception cerebrospinal fluid pressure force, and the film then can be the polymer film, and its withstand voltage and reaction are sensitive, can detect the pressure variation of cerebrospinal fluid more accurately like this, improves the detection accuracy and the precision of intracranial pressure, eliminates a series of problems that utilize the linker to bring.
4. This drainage tube with intracranial pressure monitoring function, pressure measuring probe 1 that its used is equipped with front end 2 and rear end 3, detachable connection between front end 2 and the rear end 3, like this after single use pressure measuring probe 1, front end 2 can regard as disposable consumables and abandon, rear end 3 and inside sensor then continue to use still, guarantee like this on the one hand that the film of surveying intracranial pressure at every turn all has not used, it is more accurate to detect, the higher part of value still uses in the pressure measuring probe 1 of on the other hand, thereby improve the rate of utilization of device, reduce the monitoring cost.
Example 2
The embodiment provides a drainage tube with an intracranial pressure monitoring function, and the drainage tube is additionally provided with a valve on the basis of the embodiment 1. The valve is mounted on the drainage tube body 6 and is located outside the ventricle. The valve is arranged in adjusting the flow in drainage tube body 6, and when personnel operated, it can adjust the outflow volume of cerebrospinal fluid correspondingly according to the intracranial pressure that pressure sensor detected out like this, avoids the cerebrospinal fluid to flow out too fast or flow out too slowly, conveniently monitors intracranial pressure.
Example 3
The embodiment provides an intracranial pressure monitoring device, which comprises the drainage tube with the intracranial pressure monitoring function in the embodiment 1 or 2, and a host machine. The host is connected with the pressure sensor through an optical fiber and is used for displaying intracranial pressure and pressure waveform. The host comprises a micro control unit MCU, a grating analysis module, a photoelectric conversion module, an A/D conversion module, a touch/display module, an I/O interface, an IP interface, a power supply, a laser modulation module, an optical coupler and the like. First connect pressure probe 1 to pressure sensor, then implant the device in the ventricles of the brain, then through the pressure of hydrocephalus to the film, after pressure sensor received pressure variation, pass back light signal through optic fibre to the host computer, the host computer shows pressure variation on the host computer screen to can audio-visual monitoring hydrocephalus pressure and pressure variation.
Example 4
The present embodiment provides an intracranial surgical medical apparatus, which comprises the drainage tube with intracranial pressure monitoring function of embodiment 1 or 2, and a collection system. The collecting system is used for collecting cerebrospinal fluid discharged from the drainage tube body 6 and is provided with a display screen. The collection system is used for metering the collected amount of cerebrospinal fluid and displaying the cerebrospinal fluid on a display screen. The display screen is also used to display the intracranial pressure detected by the pressure sensor, and may be presented in the form of a waveform. Therefore, the user can observe the change condition of the intracranial pressure and know the collection amount of the drained cerebrospinal fluid at the same time, thereby being beneficial to mastering the relation between the intracranial pressure and the cerebrospinal fluid and providing a basis for the treatment of the subsequent medical operation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A drainage tube with intracranial pressure monitoring function, comprising:
one end of the drainage tube body can extend into the ventricle of the brain of a patient, and the other end of the drainage tube body extends out of the ventricle and is provided with a drainage channel; the top end of the drainage tube body is a closed end, and a plurality of through holes are formed in the side wall of the top end of the drainage tube body to be communicated with the drainage channel;
the monitoring tube body is arranged in the drainage tube body, is axially parallel to the drainage tube body and is mutually attached to form a double-row tube structure;
the pressure measuring probe is arranged at one end of the monitoring pipe body close to the closed end; a plurality of detection holes which are contacted with the intracranial cerebrospinal fluid in the ventricle are formed in the pressure measuring probe; the surface of the pressure measuring probe is covered with a film, and the film covers the detection hole; the front end of the pressure measuring probe is provided with a cavity communicated with the detection hole, and the cavity is filled with inert gas; the rear end of the pressure measuring probe is communicated with the front end;
a pressure sensor built in the rear end and used for acquiring the pressure of the membrane by sensing the pressure of the inert gas and detecting the intracranial pressure of the cerebrospinal fluid to the cranial cavity wall.
2. The drainage tube with intracranial pressure monitoring function as recited in claim 1, wherein the diameter of the monitoring tube is smaller than that of the drainage tube, and the length of the monitoring tube in the ventricle is smaller than that of the drainage tube in the ventricle.
3. The drain tube with intracranial pressure monitoring function as recited in claim 1, wherein the closed end has a hemispherical structure, and the plurality of through holes are formed in the side wall of the drain tube body adjacent to the hemispherical structure at equal intervals.
4. The catheter with intracranial pressure monitoring function as recited in claim 2, wherein the catheter body is integrally formed with the monitoring tube body, and the through hole is formed in a side wall of a portion of the catheter body that exceeds the end surface of the monitoring tube body.
5. The drainage tube with intracranial pressure monitoring function as recited in claim 2, wherein the length of the pressure probe is less than the difference between the lengths of the drainage tube body and the monitoring tube body, and the pressure probe is inserted into the monitoring tube body.
6. The drainage tube with intracranial pressure monitoring function as recited in claim 1, wherein a plurality of sensing holes are disposed around the central axis of the pressure probe and open on the side wall of the pressure probe; each detection hole is oval, and the long axis direction is parallel to the central axis of the pressure measuring probe.
7. The drain tube with intracranial pressure monitoring function as recited in claim 1, wherein the radius of the front end is larger than the radius of the rear end, and the detection hole is opened on the front end; the one end that the front end kept away from the rear end is the hemisphere, the front end with the detachable connection of rear end.
8. The drainage tube with intracranial pressure monitoring function as recited in claim 1, wherein the pressure measuring probe is a polymer probe, and the film is a polymer film.
9. The drain tube with intracranial pressure monitoring as recited in claim 1, wherein the drain tube further comprises a sensor interface; the sensor interface is mounted on the rear end and connected with the pressure sensor.
10. An intracranial surgical medical apparatus, comprising a collection system and a drain tube having intracranial pressure monitoring capability as recited in any one of claims 1-9; the collecting system is used for collecting cerebrospinal fluid discharged from the drainage tube body and is provided with a display screen; the collecting system is used for measuring the collected quantity of the cerebrospinal fluid and displaying the cerebrospinal fluid on the display screen; the display screen is also used for displaying the intracranial pressure detected by the pressure sensor.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633836A (en) * | 2021-08-18 | 2021-11-12 | 江苏省苏北人民医院 | Ventricular and brain parenchyma pressure monitoring drainage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633836A (en) * | 2021-08-18 | 2021-11-12 | 江苏省苏北人民医院 | Ventricular and brain parenchyma pressure monitoring drainage device |
| CN113633836B (en) * | 2021-08-18 | 2023-10-27 | 江苏省苏北人民医院 | Ventricular and brain parenchyma pressure monitoring drainage device |
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