CN203777475U - Device for regulating drainage volume of VCSF (Ventricle Cerebral Spinal Fluid) on basis of intracranial pressure response - Google Patents
Device for regulating drainage volume of VCSF (Ventricle Cerebral Spinal Fluid) on basis of intracranial pressure response Download PDFInfo
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- CN203777475U CN203777475U CN201420077411.6U CN201420077411U CN203777475U CN 203777475 U CN203777475 U CN 203777475U CN 201420077411 U CN201420077411 U CN 201420077411U CN 203777475 U CN203777475 U CN 203777475U
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Abstract
The utility model relates to a device for regulating the drainage volume of VCSF (Ventricle Cerebral Spinal Fluid) on the basis of intracranial pressure response, which comprises a pressure sensor, a drainage tube, a programmed switch, a loading plate, a first electronic control system, a first power supply, a second electronic control system and a second power supply. The drainage tube sequentially consists of a ventricle section, a controlled section and an abdominal cavity section; the programmed switch is arranged at the position of a groove in the loading plate for mounting the controlled section of the drainage tube and is used for conducting or switching off a passage for enabling cerebral spinal fluid to enter an abdominal cavity through the drainage tube; the pressure sensor is used for acquiring an intracranial pressure; the first electronic control system is used for controlling the state of the programmed switch according to the intracranial pressure and transmitting related information to the second electronic control system; the second electronic control system is used for receiving and displaying the information transmitted by the first electronic control system and sending a command to the first electronic control system.
Description
Technical field
This utility model belongs to medical apparatus and instruments, particularly a kind of for after neurosurgery ventriculo-peritoneal shunt operation according to the device of intracranial pressure auto-control drainage of cerebrospinal fluid amount.
Background technology
Ventriculo-peritoneal shunt operation is the hydrocephalic conventional modus operandi of neurosurgical treatment.After ventriculo-peritoneal shunt operation, by insert a drainage tube between the ventricles of the brain and abdominal cavity, cerebrospinal fluid unnecessary in the ventricles of the brain is divided and flows into the symptom that abdominal cavity can reduction of patient intracranial hypertension, but excessively drain meeting causes Hypotensive cranial pressure, causes the neural complications such as intracerebral hemorrhage.Therefore, how according to intracranial pressure Real-Time Monitoring result, precisely regulating cerebrospinal fluid shunt volume, is the key issue that guarantees that shunting effect and shunt catheter after ventriculo-peritoneal shunt operation whether can long-term safety be used in patient body.
At present, the patient for implementing external drainage, has realized according to the target of intracranial pressure feedback regulation drainage flow substantially by external pressure transducer and monitor.But, for cannot be by external pressure transducer concerning intracranial pressure carries out the patient of the ventricles of the brain-intraperitoneal drainage of Real-Time Monitoring, because existing noinvasive is indirectly surveyed intracranial pressure instrument and is existed certainty of measurement poor, the shortcomings such as method is loaded down with trivial details, cause most of patients after the excessive drain of cerebrospinal fluid causes serious Hypotensive cranial pressure and occurs obvious clinical symptoms, could find by imaging examination.Although, for this class patient partial monopoly, proposed to be placed in by manual adjustments the scheme that subcutaneous mechanical switch is controlled drainage of cerebrospinal fluid amount, but all cannot really solve the problem that precisely regulates intracranial drainage of cerebrospinal fluid amount according to the intracranial pressure of Real-Time Monitoring, this certainly will affect patient's rehabilitation, even entail dangers to patient's life.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount is provided, to can precisely regulate cerebrospinal fluid shunt volume according to intracranial pressure Real-Time Monitoring result.
Device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model, comprises pressure transducer, drainage tube, grammed switch, loading plate, the first electronic control system, the first power supply, the second electronic control system and second source; Described the first electronic control system is comprised of the first single-chip microcomputer and the first wireless receiver being connected with the first single-chip microcomputer respectively and the first wireless transmitter, the first wireless transmitter is for sending information to the second electronic control system, the first wireless receiver for receive come from the information of the second electronic control system and by the information transmission receiving to the first single-chip microcomputer; Described the second electronic control system comprises second singlechip and the second wireless receiver being connected with second singlechip respectively, the second wireless transmitter, man-machine interactive operation button and display, the second wireless transmitter is for sending instruction to the first electronic control system, the second wireless receiver for receive come from the information of the first electronic control system and by the information transmission receiving to second singlechip, man-machine interactive operation button is for sending instruction to second singlechip, and display is for showing the information that second singlechip receives; Described the first power supply is for providing operating current to the first electronic control system, grammed switch, and described second source is for providing operating current to the second electronic control system; Described drainage tube is successively by ventricles of the brain section, formed by control section and abdominal cavity section, describedly by control section, is arranged in the groove that loading plate arranges; Described grammed switch is connected with the first single-chip microcomputer and is arranged on installs drainage tube by the groove on the loading plate of control section, for conducting or block the path that cerebrospinal fluid enters abdominal cavity; Described pressure transducer is connected with the first single-chip microcomputer, gathers, and the pressure signal collecting is transformed into electric signal transmission to the first single-chip microcomputer for the pressure to intracranial; Described the first single-chip microcomputer is processed the electric pressure signal receiving and is controlled the residing state of grammed switch according to the pressure condition of intracranial, the mode of operation parameter of intracranial pressure, grammed switch status, pressure transducer and the first power supply status is transferred to second singlechip by the first wireless transmitter, the second wireless receiver simultaneously; According to the instruction of second singlechip adjust grammed switch status and pressure transducer mode of operation parameter (the mode of operation parameter of pressure transducer comprises working time, operating frequency) and by the information exchange after adjusting cross the first wireless transmitter, the second wireless receiver is transferred to second singlechip; According to instruction start or the shutdown of second singlechip; Described second singlechip is processed and is transferred to display by the information that comes from the first single-chip microcomputer receiving and shown, after the instruction that comes from man-machine interactive operation button is processed, by the second wireless transmitter, the first wireless receiver, is transferred to the first single-chip microcomputer; Described the first power supply, the first electronic control system and drainage tube is installed by the loading plate of control section and grammed switch, is encapsulated at least one box body, so that sterilization and to be embedded in patient subcutaneous.
The above-mentioned device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount, its grammed switch consists of two electromagnetic assemblies, the moving contact that described electromagnetic assembly is made by shell, coil, block, back-moving spring and electric magnet forms, one end sealing of shell, an end opening, block is arranged on the inwall of closed termination of outer cover, coil is arranged on the cylinder section inwall of shell, back-moving spring is arranged on the housing of coil, moving contact is connected with back-moving spring, its one end is inserted in coil, and its other end is towards the opening of shell.The coil electricity size of current of grammed switch can determine the inner generation of grammed switch magnetic force size, and then can affect the compression degree of back-moving spring, finally affects the folding condition of grammed switch.When coil is not switched on, grammed switch inside does not produce magnetic force, the moving contact of grammed switch in spring force effect in closed condition; When the logical weak current of coil, grammed switch is inner produces weak magnetic force, the moving contact of grammed switch under weak magneticaction Partial shrinkage spring in semi-open state; When coil is logical during compared with heavy current, grammed switch is inner produces stronger magnetic force, the moving contact of grammed switch under stronger magneticaction completely Compress Spring in full open state.
The above-mentioned device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount, its drainage tube is monolithic construction or split-type structural, the drainage tube of described split-type structural, its ventricles of the brain section, by control section, abdominal cavity Duan Weisan section pipe fitting independently, is connected and is combined by connection tube.
The above-mentioned device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount, also can set temperature sensor and specific gravity sensor, for gathering the proportion information of temperature information and the cerebrospinal fluid of intracranial, described temperature sensor is connected with the first single-chip microcomputer respectively with specific gravity sensor, and the temperature signal collecting and proportion signal are transformed into electric signal transmission to the first single-chip microcomputer.
From angle easy to use, consider, in device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model, second singlechip, second source are arranged in a box body, the second wireless receiver, the second wireless transmitter are arranged on outer wall or the inwall of described box body, and man-machine interactive operation button, display are arranged on the outer wall of described box body.
In order to expand the function of the second electronic control system, second singlechip is also provided with alarm lamp, alarm buzzer, data storage and data output interface, second source is connected with power supply indicator, and alarm lamp, alarm buzzer, data storage and data output interface are connected with second singlechip respectively; Described data storage and second singlechip, second source are arranged in same box body, and described alarm buzzer is arranged on outer wall or the inwall of described box body, and described data output interface, alarm lamp and power supply indicator are arranged on the outer wall of described box body.
Device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model, its using method is as follows:
When ventriculo-peritoneal shunt is performed the operation, the ventricles of the brain section of drainage tube is inserted to patient's intracranial, the abdominal cavity section of drainage tube is inserted to patient's intraperitoneal, by pressure transducer, or pressure transducer, temperature sensor and specific gravity sensor are inserted patient's intracranial, by the first single-chip microcomputer, the first power supply, the first wireless receiver, the first wireless transmitter are housed, that drainage tube is embedded in patient by the box body of control section, grammed switch and loading plate is subcutaneous, makes second singlechip and second source and other device of being connected with second singlechip are positioned at outside patient body.
Device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model, its operation principle is as follows:
Pressure transducer gathers intracranial pressure, and the signal collecting is transformed into electric signal transmission to the first single-chip microcomputer, the first single-chip microcomputer is processed the electric pressure signal receiving and is controlled the residing state of grammed switch according to the pressure condition of intracranial: when intracranial pressure is normal, grammed switch is closed, and stops drainage of cerebrospinal fluid.When surpassing, intracranial pressure sets high prescribing a time limit, grammed switch is in whole openings, drainage tube by control section with maximum inner diameter drainage of cerebrospinal fluid, by intracranial drainage of cerebrospinal fluid to intraperitoneal, until perceiving intracranial pressure, pressure transducer returns to when normal, grammed switch is closed, and drainage of cerebrospinal fluid stops.In the time of in the pressure limit of intracranial pressure between normal and high limit, grammed switch is in the corresponding different gears of opening, drainage tube is obtained corresponding different drain internal diameters by control section, intracranial cerebrospinal fluid drains into intraperitoneal with different drainage speeds, until perceiving intracranial pressure, pressure transducer returns to when normal, grammed switch is closed, and drainage of cerebrospinal fluid stops.
By wireless transmission and second singlechip processing to the received signal, on the display being connected with second singlechip, can demonstrate the information such as power supply status, mode of operation that comprises intracranial pressure, the first single-chip microcomputer.
According to inserting, intracranial sensing element kind is different with function, also can show other important parameter information by the first single-chip microcomputer transmission on the display of the second box body, as: intracranial temperature, cerebrospinal fluid proportion etc.By man-machine interaction button, second singlechip is arranged and wireless transmission, after the first single-chip microcomputer receiving and analyzing, can realize the control to the working status parameter of grammed switch.Aspect safety, when the first single-chip microcomputer monitors abnormal information (as: intracranial pressure sharply changes), can realize warning by second singlechip, and can, by the arranging controls such as the first chip microcontroller power-off, shutdown of second singlechip, guarantee the safety of using.
The utlity model has following beneficial effect:
1, device described in the utility model can be monitored intracranial pressure, every shunting parameter of ventriculo-peritoneal shunt is controlled, thereby realized the accurate adjusting to intracranial pressure, reduces shunting excessively and the not enough clinical harm bringing of shunting.
2, device described in the utility model also can carry out Real-Time Monitoring and record to intracranial temperature, cerebrospinal fluid proportion etc., and can data be derived for analyzing by data output interface.
3, device described in the utility model is easy to use, and the man-machine interactive operation button being connected with second singlechip by operation can send information to the first single-chip microcomputer, after the first single-chip microcomputer receiving and analyzing, can realize the control to the duty of grammed switch; When the first single-chip microcomputer monitors abnormal information (as: intracranial pressure sharply changes), can realize warning by second singlechip, and can, by the arranging controls such as the first chip microcontroller power-off, shutdown of second singlechip, guarantee the safety of using.
4, by the first single-chip microcomputer, the first power supply, the first wireless receiver, the first wireless transmitter are housed, that drainage tube is embedded in patient by the box body of control section, the first grammed switch, the second grammed switch and loading plate is subcutaneous, thereby electronic component and drainage tube all can be changed easily by control section.
Accompanying drawing explanation
Fig. 1 is the first electronic control system in the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model, the second electronic control system and by a kind of structured flowchart of control device.
Fig. 2 be the first electronic control system in the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model, the second electronic control system and by control device another kind of structured flowchart.
Fig. 3 is the structural representation of drainage tube, and wherein, (1) figure is the drainage tube of monolithic construction, and (2) figure is the drainage tube of split-type structural.
Fig. 4 is the structural representation of loading plate.
Fig. 5 is drainage tube, the grammed switch scheme of installation on loading plate.
Fig. 6 is the structural representation of grammed switch, and wherein, the grammed switch in (1) figure is in closed condition, and the grammed switch in (2) figure is in part opening, and the grammed switch in (3) figure is in complete opening.
Fig. 7 is a kind of outline drawing of the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model.
Fig. 8 is the another kind of outline drawing of the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model.
Fig. 9 is the mounting means figure of the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in Fig. 7.
Figure 10 is the mounting means figure of the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in Fig. 8.
In figure, 1-drainage tube (1-1: ventricles of the brain section, 1-2: abdominal cavity section, 1-3: by control section), 2-connection tube, 3-loading plate, 4-grammed switch, 5-shell, 6-coil, 7-block, 8-back-moving spring, 9-moving contact, 10-pressure transducer, 11-data wire, the 12-the first box body, the 13-the first wireless transmission/reception window, the 14-the second box body, the 15-the second wireless transmission/reception window, 16-man-machine interactive operation button, 17-display, the 18-the three box body, 19-temperature sensor, 20-specific gravity sensor, the 21-the four box body, 22-alarm lamp, 23-alarm buzzer, 24-power supply indicator, 25-patient.
The specific embodiment
Below in conjunction with accompanying drawing, the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in the utility model is described further in configuration aspects.
Embodiment 1
In the present embodiment, the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount comprises pressure transducer 10, drainage tube 1, grammed switch 4, loading plate 3, the first electronic control system, the first power supply, the second electronic control system and second source.Described the first electronic control system as shown in Figure 1, is comprised of the first single-chip microcomputer and the first wireless receiver being connected with the first single-chip microcomputer respectively and the first wireless transmitter.Described the second electronic control system as shown in Figure 1, is comprised of second singlechip and the second wireless receiver being connected with second singlechip respectively, the second wireless transmitter, man-machine interactive operation button and display.It is the single-chip microcomputer (American TI Company production) of MSP430F135 that the first single-chip microcomputer and second singlechip are all selected model, the model of first, second wireless receiver and first, second wireless transmitter is nRF905 (production of Suzhou Tian Yi Electronic Science and Technology Co., Ltd.), and it is the pressure transducer (production of U.S. freescale company) of MPX5050 that described pressure transducer 10 is selected model.Described drainage tube 1 is split-type structural, as shown in (2) figure in Fig. 3, successively by ventricles of the brain section 1-1, formed by control section 1-3 and abdominal cavity section 1-2, ventricles of the brain section 1-1, by control section 1-3, abdominal cavity section 1-2, be three sections of independently pipe fittings, by connection tube 2, connect and combine; Described ventricles of the brain section 1-1, by control section 1-3, abdominal cavity section 1-2, be the flexible pipe that medical material is made, described connection tube 2 is the stereoplasm tube of medical material making.Described grammed switch 4 consists of two electromagnetic assemblies, described electromagnetic assembly as shown in Figure 6, the moving contact 9 of being made by shell 5, coil 6, block 7, back-moving spring 8 and electric magnet forms, one end sealing of shell, an end opening, block is arranged on the inwall of closed termination of outer cover, and coil is arranged on the cylinder section inwall of shell, back-moving spring is arranged on the housing of coil, moving contact is connected with back-moving spring, and its one end is inserted in coil, and its other end is towards the opening of shell.Described loading plate 3 as shown in Figure 4, is provided with on it and drainage tube is installed by the groove of control section, grammed switch.
The compound mode of each member and device: as shown in (1) figure in Fig. 1 and Fig. 7, the outfan of pressure transducer 10 is connected with the first single-chip microcomputer by data wire 11; As shown in Figure 5, in the groove that is arranged on loading plate 3 settings by control section 1-3 of drainage tube; As shown in Figure 1 and Figure 5, grammed switch 4 is connected with the first single-chip microcomputer and is arranged on installation drainage tube by the groove on the loading plate of control section.As shown in Figure 1, the first power supply is for providing operating current to the first electronic control system, grammed switch, and second source is for providing operating current to the second electronic control system.
As shown in (1) figure in Fig. 7, described the first power supply, the first electronic control system and drainage tube is installed by the loading plate 3 of control section 1-3, grammed switch 4, is encapsulated in the first box body 12, on described the first box body 12, offer the first wireless transmission/reception window 13, the ventricles of the brain section 1-1 of described drainage tube, abdominal cavity section 1-2 and pressure transducer 10 are positioned at outside the first box body.As shown in (2) figure in Fig. 7, described second source, second singlechip are arranged in the second box body 14, described the second wireless receiver, the second wireless transmitter are arranged on the inwall of the second box body, described man-machine interactive operation button 16, display 17 are arranged on the outer wall of the second box body, on described the second box body 14, offer the second wireless transmission/reception window 15.
In the present embodiment, device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount mounting means in use as shown in Figure 9, the ventricles of the brain section 1-1 of drainage tube inserts patient 25 Intraventricular, the abdominal cavity section 1-2 of drainage tube inserts patient 25 intraperitoneal, pressure transducer 10 is inserted patient 25 Intraventricular, it is subcutaneous that the first box body 12 is embedded in patient 25, and the second box body 14 is positioned at outside patient body, by the hand-held operation of medical worker.
Embodiment 2
In the present embodiment, the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount is as shown in Fig. 2, Fig. 8, and difference from Example 1 is:
1, temperature sensor 19 and specific gravity sensor 20 have been increased, described temperature sensor is connected with the first single-chip microcomputer by data wire 11 respectively with specific gravity sensor, for the proportion of the temperature of intracranial and cerebrospinal fluid is gathered, and the temperature signal collecting and proportion signal are transferred to the first single-chip microcomputer, WRTP thermal resistance temperature sensor is selected in temperature sensor, and it is the specific gravity sensor of SG-601 that specific gravity sensor is selected model.
2, the second electronic control system has increased alarm lamp 22, alarm buzzer 23, data storage, data output interface, alarm lamp 22, alarm buzzer 23, data storage, data output interface are connected with second singlechip respectively, and second source is connected with power supply indicator 24.
3, as shown in (1) figure in Fig. 8, described the first power supply, the first electronic control system are encapsulated in the 3rd box body 18, pressure transducer 10, temperature sensor 19 and specific gravity sensor 20 are positioned at outside the 3rd box body, on described the 3rd box body 18, offer the first wireless transmission/reception window 13; Drainage tube is installed and by the loading plate 3 of control section 1-3, grammed switch 4, is encapsulated in the 4th box body 21, ventricles of the brain section 1-1, the abdominal cavity section 1-2 of described drainage tube are positioned at outside the 4th box body.
4, as shown in (2) figure in Fig. 8, described second singlechip, second source and data storage are arranged in the second box body 14, described the second wireless receiver, the second wireless transmitter and alarm buzzer 23 are arranged on inwall or the outer wall of the second box body, described man-machine interactive operation button 16, display 17, alarm lamp 22, power supply indicator 24, data output interface are arranged on the outer wall of the second box body, on described the second box body 14, offer the second wireless transmission/reception window 15.
In the present embodiment, device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount mounting means in use as shown in figure 10, the ventricles of the brain section 1-1 of drainage tube inserts patient 25 intracranial, the abdominal cavity section 1-2 of drainage tube inserts patient 25 intraperitoneal, pressure transducer 10, temperature sensor 19 and specific gravity sensor 20 are inserted patient 25 intracranial, it is subcutaneous that the 3rd box body 18 and the 4th box body 21 are embedded in patient 25, and the second box body 14 is positioned at outside patient body, by the hand-held operation of medical worker.
Claims (10)
1. the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount, is characterized in that comprising pressure transducer (10), drainage tube (1), grammed switch (4), loading plate (3), the first electronic control system, the first power supply, the second electronic control system and second source;
Described the first electronic control system is comprised of the first single-chip microcomputer and the first wireless receiver being connected with the first single-chip microcomputer respectively and the first wireless transmitter, the first wireless transmitter is for sending information to the second electronic control system, the first wireless receiver for receive come from the information of the second electronic control system and by the information transmission receiving to the first single-chip microcomputer; Described the second electronic control system comprises second singlechip and the second wireless receiver being connected with second singlechip respectively, the second wireless transmitter, man-machine interactive operation button and display, the second wireless transmitter is for sending instruction to the first electronic control system, the second wireless receiver for receive come from the information of the first electronic control system and by the information transmission receiving to second singlechip, man-machine interactive operation button is for sending instruction to second singlechip, and display is for showing the information that second singlechip receives;
Described the first power supply is for providing operating current to the first electronic control system, grammed switch, and described second source is for providing operating current to the second electronic control system;
Described drainage tube (1) is successively by ventricles of the brain section (1-1), formed by control section (1-3) and abdominal cavity section (1-2), describedly by control section (1-3), is arranged in the groove that loading plate (3) arranges; Described grammed switch (4) is connected with the first single-chip microcomputer and is arranged on installs drainage tube by the groove on the loading plate of control section, for conducting or block the path that cerebrospinal fluid enters abdominal cavity;
Described pressure transducer (10) is connected with the first single-chip microcomputer, gathers, and the pressure signal collecting is transformed into electric signal transmission to the first single-chip microcomputer for the pressure to intracranial;
Described the first single-chip microcomputer is processed the electric pressure signal receiving and is controlled the residing state of grammed switch according to the pressure condition of intracranial, the mode of operation parameter of intracranial pressure, grammed switch status, pressure transducer and the first power supply status is transferred to second singlechip by the first wireless transmitter, the second wireless receiver simultaneously; According to the instruction of second singlechip adjust grammed switch status and pressure transducer mode of operation parameter and by the information exchange after adjusting cross the first wireless transmitter, the second wireless receiver is transferred to second singlechip; According to instruction start or the shutdown of second singlechip;
Described second singlechip is processed and is transferred to display by the information that comes from the first single-chip microcomputer receiving and shown, after the instruction that comes from man-machine interactive operation button is processed, by the second wireless transmitter, the first wireless receiver, is transferred to the first single-chip microcomputer;
Described the first power supply, the first electronic control system and drainage tube is installed by the loading plate of control section and grammed switch (3), is encapsulated at least one box body.
2. the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount according to claim 1, it is characterized in that grammed switch (4) consists of two electromagnetic assemblies, described electromagnetic assembly is by shell (5), coil (6), block (7), the moving contact (9) that back-moving spring (8) and electric magnet are made forms, one end sealing of shell, one end opening, block is arranged on the inwall of closed termination of outer cover, coil is arranged on the cylinder section inwall of shell, back-moving spring is arranged on the housing of coil, moving contact is connected with back-moving spring, its one end is inserted in coil, its other end is towards the opening of shell.
3. according to the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in claim 1 or 2, it is characterized in that drainage tube (1) is monolithic construction or split-type structural, the drainage tube of described split-type structural (1), its ventricles of the brain section (1-1), by control section (1-3), abdominal cavity section (1-2), be three sections of independently pipe fittings, by connection tube (2), connect and combine.
4. according to the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in claim 1 or 2, characterized by further comprising temperature sensor (19) and specific gravity sensor (20), described temperature sensor is connected with the first single-chip microcomputer respectively with specific gravity sensor, for the proportion of the temperature of intracranial and cerebrospinal fluid is gathered, and the temperature signal collecting and proportion signal are transformed into electric signal transmission to the first single-chip microcomputer.
5. the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount according to claim 3, characterized by further comprising temperature sensor (19) and specific gravity sensor (20), described temperature sensor is connected with the first single-chip microcomputer respectively with specific gravity sensor, for the proportion of the temperature of intracranial and cerebrospinal fluid is gathered, and the temperature signal collecting and proportion signal are transformed into electric signal transmission to the first single-chip microcomputer.
6. according to the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in claim 1 or 2, it is characterized in that described the second electronic control system also comprises alarm lamp (22), alarm buzzer (23), data storage and data output interface, alarm lamp (22), alarm buzzer (23), data storage are connected with second singlechip respectively with data output interface, and described second source is connected with power supply indicator (24).
7. the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount according to claim 3, it is characterized in that described the second electronic control system also comprises alarm lamp (22), alarm buzzer (23), data storage and data output interface, alarm lamp (22), alarm buzzer (23), data storage are connected with second singlechip respectively with data output interface, and described second source is connected with power supply indicator (24).
8. the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount according to claim 5, it is characterized in that described the second electronic control system also comprises alarm lamp (22), alarm buzzer (23), data storage and data output interface, alarm lamp (22), alarm buzzer (23), data storage are connected with second singlechip respectively with data output interface, and described second source is connected with power supply indicator (24).
9. according to the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount described in claim 1 or 2, it is characterized in that described second singlechip, second source are arranged in a box body, described the second wireless receiver, the second wireless transmitter are arranged on outer wall or the inwall of described box body, and described man-machine interactive operation button, display are arranged on the outer wall of described box body.
10. the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount according to claim 8, it is characterized in that described second singlechip, second source and data storage are arranged in a box body, described the second wireless receiver, the second wireless transmitter and alarm buzzer are arranged on outer wall or the inwall of described box body, and described man-machine interactive operation button, display, data output interface, alarm lamp and power supply indicator are arranged on the outer wall of described box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077411.6U CN203777475U (en) | 2014-02-21 | 2014-02-21 | Device for regulating drainage volume of VCSF (Ventricle Cerebral Spinal Fluid) on basis of intracranial pressure response |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077411.6U CN203777475U (en) | 2014-02-21 | 2014-02-21 | Device for regulating drainage volume of VCSF (Ventricle Cerebral Spinal Fluid) on basis of intracranial pressure response |
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| CN203777475U true CN203777475U (en) | 2014-08-20 |
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| CN201420077411.6U Expired - Fee Related CN203777475U (en) | 2014-02-21 | 2014-02-21 | Device for regulating drainage volume of VCSF (Ventricle Cerebral Spinal Fluid) on basis of intracranial pressure response |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768704A (en) * | 2014-02-21 | 2014-05-07 | 四川大学华西第二医院 | Device for adjusting drainage volume of ventricular cerebrospinal fluid based on intracranial pressure feedback |
| CN113995894A (en) * | 2021-10-15 | 2022-02-01 | 中南大学湘雅医院 | Novel adjustable multifunctional cerebrospinal fluid external drainage fixed monitoring device and method |
| CN116687371A (en) * | 2023-08-08 | 2023-09-05 | 四川大学 | Intracranial pressure detection method and system |
-
2014
- 2014-02-21 CN CN201420077411.6U patent/CN203777475U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103768704A (en) * | 2014-02-21 | 2014-05-07 | 四川大学华西第二医院 | Device for adjusting drainage volume of ventricular cerebrospinal fluid based on intracranial pressure feedback |
| CN103768704B (en) * | 2014-02-21 | 2017-01-25 | 四川大学华西第二医院 | Device for adjusting drainage volume of ventricular cerebrospinal fluid based on intracranial pressure feedback |
| CN113995894A (en) * | 2021-10-15 | 2022-02-01 | 中南大学湘雅医院 | Novel adjustable multifunctional cerebrospinal fluid external drainage fixed monitoring device and method |
| CN116687371A (en) * | 2023-08-08 | 2023-09-05 | 四川大学 | Intracranial pressure detection method and system |
| CN116687371B (en) * | 2023-08-08 | 2023-09-29 | 四川大学 | Intracranial pressure detection method and system |
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Granted publication date: 20140820 Termination date: 20180221 |