CN103768704A - Device for adjusting drainage volume of ventricular cerebrospinal fluid based on intracranial pressure feedback - Google Patents
Device for adjusting drainage volume of ventricular cerebrospinal fluid based on intracranial pressure feedback Download PDFInfo
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- CN103768704A CN103768704A CN201410061058.7A CN201410061058A CN103768704A CN 103768704 A CN103768704 A CN 103768704A CN 201410061058 A CN201410061058 A CN 201410061058A CN 103768704 A CN103768704 A CN 103768704A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4836—Diagnosis combined with treatment in closed-loop systems or methods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/006—Cerebrospinal drainage; Accessories therefor, e.g. valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/031—Intracranial pressure
Abstract
The invention discloses a device for adjusting the drainage volume of ventricular cerebrospinal fluid based on intracranial pressure feedback. The device 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, wherein the drainage tube consists of a ventricle segment, a controlled segment and an abdominal cavity segment in sequence; the programmed switch is arranged in a groove on the loading plate at the controlled segment of the drainage tube, and is used for switching on/off a path on which the cerebrospinal fluid enters the abdominal cavity through the drainage tube; the pressure sensor is used for collecting the intracranial pressure; the first electronic control system is used for controlling the state of the programmed switch according to the state of intracranial pressure and transmitting relevant information to the second electronic control system; the second electronic control system is used for receiving and displaying information of the first electronic control system and sending instructions to the first electronic control system.
Description
Technical field
The invention 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 precisely regulating cerebrospinal fluid shunt volume according to intracranial pressure Real-Time Monitoring result, 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, for the patient who implements external drainage, substantially realized according to the target of intracranial pressure feedback regulation drainage flow 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, the scheme of drainage of cerebrospinal fluid amount has been proposed to be placed in subcutaneous mechanical switch and to be controlled by manual adjustments for this class patient partial monopoly, 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.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, 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 of the present invention, 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 by the first single-chip microcomputer and the first wireless receiver and the first wireless transmitter that are connected with the first single-chip microcomputer respectively form, the first wireless transmitter for to second electronic control system send information, the first wireless receiver for receive come from the information of the second electronic control system and by the information transmission receiving give 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, is describedly arranged in the groove that loading plate arranges by control section; 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 cerebrospinal fluid and enter the path in 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 according to the residing state of pressure condition control grammed switch 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 the mode of operation parameter (the mode of operation parameter of pressure transducer comprises working time, operating frequency) of grammed switch status and pressure transducer 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, is transferred to the first single-chip microcomputer by the second wireless transmitter, the first wireless receiver; Described the first power supply, the first electronic control system and drainage tube is installed is encapsulated at least one box body by the loading plate of control section and grammed switch, 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 is made up 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.In the time that 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; In the time of 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, independently pipe fitting of abdominal cavity Duan Weisan section, 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, be used for the proportion information of the temperature information and the cerebrospinal fluid that gather 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.
Consider from angle easy to use, in device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount of the present invention, 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 of the present invention, its using method is as follows:
In the time that 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 of the present invention, 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 according to the residing state of pressure condition control grammed switch of intracranial: in the time that intracranial pressure is normal, grammed switch is closed, and stops drainage of cerebrospinal fluid.When exceeding, 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 that intracranial pressure is in the pressure limit normally and between 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 of the working status parameter to grammed switch.Aspect safety, in the time that 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 using.
The present invention has following beneficial effect:
1, device of the present invention 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 of the present invention 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 of the present invention 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, can realize the control of the duty to grammed switch after the first single-chip microcomputer receiving and analyzing; In the time that 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 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, the second electronic control system and a kind of structured flowchart by control device in the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount of the present invention.
Fig. 2 be the first electronic control system in the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount of the present invention, 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 of the present invention.
Fig. 8 is the another kind of outline drawing of the device based on intracranial pressure feedback regulation Intraventricular drainage of cerebrospinal fluid amount of the present invention.
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 of the present invention is described further in structure aspects.
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, by the first single-chip microcomputer and the first wireless receiver and the first wireless transmitter that are connected with the first single-chip microcomputer respectively form.Described the second electronic control system as shown in Figure 1, by second singlechip and the second wireless receiver being connected with second singlechip respectively, the second wireless transmitter, man-machine interactive operation button and display form.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 freescale company of the U.S.) 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, be three sections of independently pipe fittings by control section 1-3, abdominal cavity section 1-2, connect and combine by connection tube 2; Described ventricles of the brain section 1-1, be the flexible pipe that medical material is made by control section 1-3, abdominal cavity section 1-2, the stereoplasm tube that described connection tube 2 is medical material making.Described grammed switch 4 is made up 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, being arranged on by control section 1-3 in the groove that loading plate 3 arranges 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 is encapsulated in the first box body 12 by the loading plate 3 of control section 1-3, grammed switch 4, on described the first box body 12, offer the first wireless transmission/reception window 13, ventricles of the brain section 1-1, abdominal cavity section 1-2 and the pressure transducer 10 of described drainage tube 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.
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, gather for the temperature to intracranial and the proportion of cerebrospinal fluid, 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 is encapsulated in the 4th box body 21 by the loading plate 3 of control section 1-3, grammed switch 4, 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 by the first single-chip microcomputer and the first wireless receiver and the first wireless transmitter that are connected with the first single-chip microcomputer respectively form, the first wireless transmitter for to second electronic control system send information, the first wireless receiver for receive come from the information of the second electronic control system and by the information transmission receiving give 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), is describedly arranged in the groove that loading plate (3) arranges by control section (1-3); 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 cerebrospinal fluid and enter the path in 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 according to the residing state of pressure condition control grammed switch 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 the mode of operation parameter of grammed switch status and pressure transducer 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, is transferred to the first single-chip microcomputer by the second wireless transmitter, the first wireless receiver;
Described the first power supply, the first electronic control system and drainage tube is installed is encapsulated at least one box body by the loading plate of control section and grammed switch (3).
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) is made up of two electromagnetic assemblies, described electromagnetic assembly is by shell (5), coil (6), block (7), moving contact (9) composition that back-moving spring (8) and electric magnet are made, 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 (1) of described split-type structural, its ventricles of the brain section (1-1), be three sections of independently pipe fittings by control section (1-3), abdominal cavity section (1-2), connect and combine by connection tube (2).
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, gather for the temperature to intracranial and the proportion of cerebrospinal fluid, 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, gather for the temperature to intracranial and the proportion of cerebrospinal fluid, 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.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104352232A (en) * | 2014-12-05 | 2015-02-18 | 苏州景昱医疗器械有限公司 | Intracranial pressure monitoring system |
| CN105126186A (en) * | 2015-10-21 | 2015-12-09 | 王学建 | Drainage adjusting device of CSF (cerebrospinal fluid) in-vitro drainage system |
| CN106691397A (en) * | 2017-03-09 | 2017-05-24 | 四川大学华西第二医院 | Cerebrospinal fluid detection apparatus for intraspinal anesthesia |
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| CN106691397A (en) * | 2017-03-09 | 2017-05-24 | 四川大学华西第二医院 | Cerebrospinal fluid detection apparatus for intraspinal anesthesia |
| CN107320839A (en) * | 2017-07-26 | 2017-11-07 | 常州瑞神安医疗器械有限公司 | A kind of internal drainage system and method |
| CN109621023A (en) * | 2018-12-26 | 2019-04-16 | 郑州大学第附属医院 | One kind is based on PLC neurosurgery drainage control system and method |
| CN110051920A (en) * | 2019-05-10 | 2019-07-26 | 李宽正 | Feedback regulation formula ventriculo-peritoneal shunt valve system |
| CN110051920B (en) * | 2019-05-10 | 2021-04-16 | 李宽正 | Feedback regulation type ventricle-abdominal cavity shunt valve system |
| CN112316285A (en) * | 2020-12-02 | 2021-02-05 | 张军 | Ventricular drainage-pressure control system |
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