CN103800991A - Device capable of automatically adjusting shunt volume of cerebrospinal fluid and preventing shunt tube from being blocked - Google Patents
Device capable of automatically adjusting shunt volume of cerebrospinal fluid and preventing shunt tube from being blocked Download PDFInfo
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- CN103800991A CN103800991A CN201410060696.7A CN201410060696A CN103800991A CN 103800991 A CN103800991 A CN 103800991A CN 201410060696 A CN201410060696 A CN 201410060696A CN 103800991 A CN103800991 A CN 103800991A
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Abstract
A device capable of automatically adjusting shunt volume of cerebrospinal fluid and preventing a shunt tube from being blocked comprises a pressure sensor, the Y-shaped shunt tube, a transfer pump, a first programmed switch, a second programmed switch, a loading plate, a first electronic control system, a first power source, a second electronic control system and a second power source. The first programmed switch is used for communicating or cutting off a passage for cerebrospinal fluid to flow between two upper arm catheters of the Y-shaped shunt tube. The second programmed switch is used for communicating or cutting off a passage for cerebrospinal fluid to pass through a lower arm catheter of the Y-shaped shunt tube and enter the abdominal cavity. The transfer pump is used for driving cerebrospinal fluid in the Y-shaped shunt tube to flow. The pressure sensor is used for collecting pressure in the cranium. The first electronic control system is used for controlling the state of the transfer pump, the first programmed switch and the second programmed switch according to situations of the pressure in the cranium, and transmitting relative information to the second electronic control system. The second electronic control system is used for receiving and displaying the information of the first electronic control system, and sending an instruction to the first electronic control system.
Description
Technical field
The invention belongs to medical apparatus and instruments, particularly a kind of for also preventing according to intracranial pressure regulation and control cerebrospinal fluid shunt volume the device that isocon stops up after neurosurgery ventriculo-peritoneal shunt.
Background technology
Ventriculo-peritoneal shunt operation is the hydrocephalic conventional operation of neurosurgical treatment.After ventriculo-peritoneal shunt operation, by insert an isocon 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 the Hypotensive cranial pressure that shunting excessively causes also may cause fatal threat to patient.In shunting process, it is one of complication the most common and the most thorny after ventriculo-peritoneal shunt operation that isocon stops up, it is reported, within 1 year, plugging rate can be up to 40%～50%, and patient has to bear repeatedly repeatedly that shunt operation brings loses blood, infection, cerebral hemorrhage and brain injury bring out a large amount of operation risks such as epilepsy.Therefore, how solving ventriculo-peritoneal shunt blockage and precisely regulate shunt volume according to intracranial pressure Real-Time Monitoring result, is the key technical problem that guarantees that shunting effect and shunt catheter after ventriculo-peritoneal shunt operation whether can long-term safety be used in patient body.
Aspect the obstruction of solution isocon, Chinese patent ZL201020506969.3 and ZL201220124062.X disclose respectively the similar anti-block apparatus of action principle, at conventional isocon front end, the bracing frame of air bag or crux is set, prevents that isocon tip from being pressed off the situation of obstruction by cerebral tissue thereby play.But find by clinical a large amount of observations, the main cause that causes isocon to stop up not is that isocon tip is pressed off by cerebral tissue, but ICV cerebrospinal fluid can spontaneously flow hardly, cause visible component in cerebrospinal fluid as albumen, saccharide, even free cell in isocon apopore place deposition with adhere to, finally causes isocon apopore to stop up.Therefore, the essential measure that solves the obstruction of isocon apopore is to accelerate cerebrospinal fluid circulation and flows, and reduces the deposition of the visible component in cerebrospinal fluid and adheres to.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, providing a kind of can automatically regulate the shunt volume of cerebrospinal fluid in the ventricles of the brain and can prevent the device that isocon stops up according to the intracranial pressure of Real-Time Monitoring.
The device that can automatically regulate cerebrospinal fluid shunt volume and prevent isocon obstruction of the present invention, comprises pressure transducer, Y shape isocon, turn of tidal stream pump, the first grammed switch, the second 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, turn of tidal stream pump, the first grammed switch and the second grammed switch, and described second source is for providing operating current to the second electronic control system; Described Y shape isocon is made up of the two upper arm conduits and the underarm conduit that intersect at a place, and the junction section of two upper arm conduits and a underarm conduit is arranged in the groove of loading plate setting; Described the first grammed switch is connected with the first single-chip microcomputer and is arranged on loading plate, is positioned at a upper arm conduit place that is in described junction section, for conducting or block the path of cerebrospinal fluid between two upper arm conduits; Described the second grammed switch is connected with the first single-chip microcomputer and is arranged on loading plate, is positioned at the underarm conduit place that is in described junction section, for conducting or block cerebrospinal fluid and enter the path in abdominal cavity; Described turn of tidal stream pump is connected with the first single-chip microcomputer and is arranged on loading plate, is positioned at the junction position of two upper arm conduits, for driving flowing of cerebrospinal fluid in Y shape isocon; 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 pressure condition control turn of tidal stream pump, the first grammed switch and the residing state of the second grammed switch of intracranial, simultaneously by intracranial pressure, the first grammed switch, the second grammed switch status, the mode of operation parameter of pressure transducer, turn of tidal stream pump and the first power supply status are transferred to second singlechip by the first wireless transmitter, the second wireless receiver; 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, and the mode of operation parameter of turn of tidal stream pump comprises rotation direction, turn of tidal stream speed, turn of tidal stream amount, time CPB) of the first grammed switch, the second grammed switch status and pressure transducer and turn of tidal stream pump and by adjust after information exchange 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 the loading plate that Y shape isocon junction section, the first grammed switch, the second grammed switch, turn of tidal stream pump be installed are encapsulated at least one box body, so that sterilization and to be embedded in patient subcutaneous.
Above-mentioned can automatically regulate cerebrospinal fluid shunt volume and prevent isocon stop up device in, the first grammed switch is identical with the second grammed switch structure, form by two electromagnetic assemblies, described electromagnetic assembly is by shell, block, coil, the moving contact composition that back-moving spring 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.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.
Above-mentioned can automatically regulate cerebrospinal fluid shunt volume and prevent isocon stop up device in, Y shape isocon is monolithic construction or split-type structural, the Y shape isocon of described split-type structural comprises two upper arm conduits, underarm conduit and two upper arm runs and a Y shape junction section that underarm run forms, and upper arm conduit is connected with two upper arm runs and a underarm run of described Y shape junction section by connection tube respectively with underarm conduit.
Above-mentioned can automatically regulate cerebrospinal fluid shunt volume and prevent isocon stop up device in, the oval cam that turn of tidal stream pump is connected by micromachine and with micromachine power output shaft forms.
Above-mentioned can automatically regulate cerebrospinal fluid shunt volume and prevent isocon stop up device in, 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, of the present invention can automatically regulate cerebrospinal fluid shunt volume and prevent isocon stop up device in, 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, the second electronic control system is also provided with alarm lamp, alarm buzzer, data storage and data output interface, second source is connected with power supply indicator, alarm lamp, alarm buzzer, data storage is connected with second singlechip respectively with data output interface, described data storage and second singlechip, second source is arranged in same box body, described alarm buzzer is arranged on outer wall or the inwall of described box body, described data output interface, alarm lamp and power supply indicator are arranged on the outer wall of described box body.
The device that can automatically regulate cerebrospinal fluid shunt volume and prevent isocon obstruction of the present invention, its using method is as follows:
In the time that ventriculo-peritoneal shunt is performed the operation, two upper arm conduits of Y shape isocon are inserted to patient's intracranial, the underarm conduit of Y tube is inserted to patient's intraperitoneal, by pressure transducer, or pressure transducer, temperature sensor and specific gravity sensor are inserted patient's intracranial, the first single-chip microcomputer will be housed, the first power supply, the first wireless receiver, the first wireless transmitter, Y shape isocon junction section, the first grammed switch, the second grammed switch, it is subcutaneous that the box body of turn of tidal stream pump and loading plate is embedded in patient, the second source that makes second singlechip and be connected with second singlechip and other device are positioned at outside patient body.
The anti-blocking electronic installation that can automatically regulate ventricular shunt amount of the present invention, its operation principle is as follows:
Pressure transducer gathers the pressure of intracranial, and convert the signal collecting to electric signal transmission to the first single-chip microcomputer, the first single-chip microcomputer is processed the electric pressure signal receiving and according to pressure condition control turn of tidal stream pump, the first grammed switch and the residing state of the second grammed switch of intracranial, is realized following two kinds of mode of operations:
1, " Intraventricular turn of tidal stream " mode of operation
In the time that intracranial pressure is normal, in " Intraventricular turn of tidal stream " mode of operation, under this pattern, the first grammed switch is opened, the second grammed switch is closed, time and rotational speed that turn of tidal stream pump is set according to single-chip microcomputer, help cerebrospinal fluid to circulate at two upper arm conduits of Y shape isocon and Intraventricular, this mode of operation does not change intracranial pressure, only reaches the object that prevents that isocon from stopping up.
2, " ventriculo-peritoneal shunt " mode of operation
When the intracranial pressure collecting when pressure transducer exceedes normal value, start " ventriculo-peritoneal shunt " mode of operation, under this pattern, the first grammed switch is closed, the second grammed switch is opened, the rotational speed that turn of tidal stream pump is set according to single-chip microcomputer, is diverted to abdominal cavity by the cerebrospinal fluid of intracranial, in the time that intracranial pressure returns to normal pressure value, " ventriculo-peritoneal shunt " mode of operation stops, and again enters " Intraventricular turn of tidal stream " mode of operation.
By wireless transmission and second singlechip processing to the received signal, on the display being connected with second singlechip, can demonstrate and comprise the information such as power supply status, mode of operation and turn of tidal stream pump rotation direction, turn of tidal stream speed, turn of tidal stream amount, the time CPB of 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 mode of operation parameter to turn of tidal stream pump and grammed switch.These control the opening and closing that function comprises automatic control grammed switch; Control turn of tidal stream speed, turn of tidal stream persistent period, the timing automatic unlatching turn of tidal stream of turn of tidal stream pump and set turn of tidal stream pump rotation direction etc.Aspect safety, when monitoring abnormal information (as: intracranial pressure sharply changes) or turn of tidal stream pump work, the first single-chip microcomputer occurs when abnormal, 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 can make cerebrospinal fluid flow at isocon internal recycle, reduces deposition in isocon of visible component in cerebrospinal fluid and adheres to, thereby reaching the object that prevents that isocon from stopping up.
3 devices 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.
4, device of the present invention is easy to use, 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 of the duty to turn of tidal stream pump and grammed switch; When monitoring abnormal information (as: intracranial pressure sharply changes) or turn of tidal stream pump work, the first single-chip microcomputer occurs when abnormal, 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.
5, the box body that the first single-chip microcomputer, the first power supply, the first wireless receiver, the first wireless transmitter, Y shape isocon junction portion section, the first grammed switch, the second grammed switch, turn of tidal stream pump and loading plate are housed is embedded in to patient subcutaneous, thereby electronic component and the Y shape isocon junction Duan Junke of portion change easily.
Accompanying drawing explanation
Fig. 1 of the present inventionly can automatically regulate cerebrospinal fluid shunt volume and prevent the first electronic control system, the second electronic control system and a kind of structured flowchart by control device in device that isocon stops up.
Fig. 2 be of the present invention can automatically regulate cerebrospinal fluid shunt volume and prevent the first electronic control system, the second electronic control system in device that isocon stops up and by control device another kind of structured flowchart.
Fig. 3 is the structural representation of Y shape isocon, and wherein, (1) figure, (2) figure are the Y shape isocons of monolithic construction, and (3) figure, (4) figure are the Y shape isocons of split-type structural.
Fig. 4 is the structural representation of loading plate.
Fig. 5 is junction section, turn of tidal stream pump, the first grammed switch and the scheme of installation of the second grammed switch on loading plate of Y shape isocon.
Fig. 6 is the structural representation of the first grammed switch, the second grammed switch, and wherein, the grammed switch in (1) figure is in closed condition, and the grammed switch in (2) figure is in opening.
Fig. 7 is a kind of outline drawing that can automatically regulate cerebrospinal fluid shunt volume and prevent the device of isocon obstruction of the present invention.
Fig. 8 is the another kind of outline drawing that can automatically regulate cerebrospinal fluid shunt volume and prevent the device of isocon obstruction of the present invention.
Fig. 9 can automatically regulate cerebrospinal fluid shunt volume described in Fig. 7 and prevent the device mounting means figure that isocon stops up.
Figure 10 can automatically regulate cerebrospinal fluid shunt volume described in Fig. 8 and prevent the device mounting means figure that isocon stops up.
In figure, 1-Y shape isocon (1-1: upper arm conduit, 1-2: underarm conduit, 1-3: junction section), 2-connection tube, 3-loading plate, the 4-the first grammed switch, the 5-the second grammed switch, 6-turn of tidal stream pump, 7-shell, 8-coil, 9-block, 10-back-moving spring, 11-moving contact, 12-pressure transducer, 13-data wire, the 14-the first box body, the 15-the first wireless transmission/reception window, the 16-the second box body, 17-man-machine interactive operation button, 18-display, the 19-the second wireless transmission/reception window, 20-alarm lamp, 21-alarm buzzer, 22-power supply indicator, the 23-the three box body, the 24-the four box body, 25-temperature sensor, 26-specific gravity sensor, 27-patient.
The specific embodiment
Can automatically regulate cerebrospinal fluid shunt volume and prevent that the device that isocon stops up is described further in structure aspects of the present invention below in conjunction with accompanying drawing.
In the present embodiment, can automatically regulate cerebrospinal fluid shunt volume and prevent that the device that isocon stops up from comprising pressure transducer 12, Y shape isocon 1, turn of tidal stream pump 6, the first grammed switch 4, the second grammed switch 5, 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 wireless receiver and 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 12 is selected model.Described Y shape isocon 1 is split-type structural, as shown in (3) figure in Fig. 3, comprise two upper arm conduit 1-1, underarm conduit 1-2 and two upper arm runs and a Y shape junction section 1-3 that underarm run forms, upper arm conduit 1-1 is connected with two upper arm runs and a underarm run of described Y shape junction section by connection tube 2 respectively with underarm conduit 1-2, described upper arm conduit 1-1, underarm conduit 1-2 and Y shape junction section 1-3 are the flexible pipe that medical material is made, the stereoplasm tube that described connection tube 2 is made for medical material.The oval cam that described turn of tidal stream pump 6 is connected by micromachine and with micromachine power output shaft forms.Described the first grammed switch 4 is identical with the second grammed switch 5 structures, form by two electromagnetic assemblies, described electromagnetic assembly as shown in Figure 6, the moving contact 11 of being made by shell 7, coil 8, block 9, back-moving spring 10 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.Described loading plate 3 as shown in Figure 4, is provided with the groove that Y shape junction section, turn of tidal stream pump, the first grammed switch and the second grammed switch are installed on it.
The compound mode of each member and device: as shown in (1) figure in Fig. 1 and Fig. 7, the outfan of pressure transducer 12 is connected with the first single-chip microcomputer by data wire 13; As shown in Figure 5, the Y shape junction section 1-3 that two upper arm runs and underarm run form is arranged in the groove that loading plate 3 arranges; As shown in Figure 1 and Figure 5, the first grammed switch 4 is connected with the first single-chip microcomputer and is arranged on loading plate 3, be positioned at a upper arm run place of described Y shape junction section, the second grammed switch 5 is connected with the first single-chip microcomputer and is arranged on loading plate 3, be positioned at the underarm run place of described Y shape junction section, the micro machine of turn of tidal stream pump 6 is electrically connected and is arranged on loading plate 3 with the first single-chip microcomputer, and its oval cam is positioned at the junction position of two upper arm runs.As shown in Figure 1, the first power supply is for providing operating current to the first electronic control system, turn of tidal stream pump, the first grammed switch and the second 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 the loading plate 3 that Y shape isocon junction section 1-3, the first grammed switch 4, the second grammed switch 5, turn of tidal stream pump 6 be installed are encapsulated in the first box body 14, on described the first box body 14, offer the first wireless transmission/reception window 15, described upper arm conduit 1-1, underarm conduit 1-2 and pressure transducer 12 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 16, 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 17, display 18 are arranged on the outer wall of the second box body, on described the second box body 16, offer the second wireless transmission/reception window 19.
In the present embodiment, can automatically regulate cerebrospinal fluid shunt volume and prevent that mounting means in use of device that isocon stops up as shown in Figure 9, two upper arm conduit 1-1 of Y shape isocon insert patient 27 intracranial, the underarm conduit 1-2 of Y tube inserts patient 27 intraperitoneal, pressure transducer 12 is inserted patient 27 intracranial, it is subcutaneous that the first box body 14 is embedded in patient 27, and the second box body 16 is positioned at outside patient body, by the hand-held operation of medical worker.
In the present embodiment, the device that can automatically regulate cerebrospinal fluid shunt volume and prevent isocon obstruction is as shown in Fig. 2, Fig. 8, and difference from Example 1 is:
1, temperature sensor 25 and specific gravity sensor 26 have been increased, described temperature sensor is connected with the first single-chip microcomputer by data wire 13 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 20, alarm buzzer 21, data storage, data output interface, alarm lamp 20, alarm buzzer 21, data storage, data output interface are connected with second singlechip respectively, and second source is connected with power supply indicator 22.
3, Y shape isocon 1 is split-type structural, and as shown in (4) figure in Fig. 3, two upper arm conduit 1-1 are fixing side by side.
4, 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 23, pressure transducer 12, temperature sensor 25 and specific gravity sensor 26 are positioned at outside the 3rd box body, on described the 3rd box body 23, offer the first wireless transmission/reception window 15; The loading plate 3 that Y shape isocon junction section 1-3, the first grammed switch 4, the second grammed switch 5, turn of tidal stream pump 6 are installed is encapsulated in the 4th box body 24, and described upper arm conduit 1-1, underarm conduit 1-2 are positioned at outside the 4th box body.
5, as shown in (2) figure in Fig. 8, described second singlechip, second source and data storage are arranged in the second box body 16, described the second wireless receiver, the second wireless transmitter and alarm buzzer 21 are arranged on inwall or the outer wall of the second box body, described man-machine interactive operation button 17, display 18, alarm lamp 20, power supply indicator 22, data output interface are arranged on the outer wall of the second box body, on described the second box body 16, offer the second wireless transmission/reception window 19.
In the present embodiment, can automatically regulate cerebrospinal fluid shunt volume and prevent that mounting means in use of device that isocon stops up as shown in figure 10, two upper arm conduit 1-1 of Y shape isocon insert patient 27 intracranial, the underarm conduit 1-2 of Y tube inserts patient 27 intraperitoneal, pressure transducer 12, temperature sensor 25 and specific gravity sensor 26 are inserted patient 27 intracranial, it is subcutaneous that the 3rd box body 23 and the 4th box body 24 are embedded in patient 27, the second box body 16 is positioned at outside patient body, by the hand-held operation of medical worker.
Claims (10)
1. can automatically regulate cerebrospinal fluid shunt volume and prevent the device that isocon stops up, it is characterized in that comprising pressure transducer (12), Y shape isocon (1), turn of tidal stream pump (6), the first grammed switch (4), the second grammed switch (5), 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, turn of tidal stream pump, the first grammed switch and the second grammed switch, and described second source is for providing operating current to the second electronic control system;
Described Y shape isocon (1) is made up of the two upper arm conduits and the underarm conduit that intersect at a place, and the junction section of two upper arm conduits and a underarm conduit is arranged in the groove of loading plate (3) setting; Described the first grammed switch (4) is connected with the first single-chip microcomputer and to be arranged on loading plate (3) upper, is positioned at a upper arm conduit place that is in described junction section, for conducting or block the path of cerebrospinal fluid between two upper arm conduits; Described the second grammed switch (5) is connected with the first single-chip microcomputer and to be arranged on loading plate (3) upper, is positioned at the underarm conduit place that is in described junction section, for conducting or block cerebrospinal fluid and enter the path in abdominal cavity; Described turn of tidal stream pump (6) is connected with the first single-chip microcomputer and to be arranged on loading plate (3) upper, is positioned at the junction position of two upper arm conduits, for driving flowing of cerebrospinal fluid in Y shape isocon;
Described pressure transducer (12) 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 pressure condition control turn of tidal stream pump, the first grammed switch and the residing state of the second grammed switch of intracranial, by the first grammed switch, the second grammed switch status, the mode of operation parameter of pressure transducer, turn of tidal stream pump and the first power supply status and intracranial pressure are 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 the first grammed switch, the second grammed switch status and pressure transducer and turn of tidal stream pump and by adjust after information exchange 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 the loading plate (3) that Y shape isocon junction section, the first grammed switch, the second grammed switch, turn of tidal stream pump (6) be installed are encapsulated at least one box body.
2. can automatically regulate according to claim 1 cerebrospinal fluid shunt volume and prevent the device that isocon stops up, it is characterized in that the first grammed switch (4) is identical with the second grammed switch (5) structure, form by two electromagnetic assemblies, described electromagnetic assembly is by shell (7), coil (8), block (9), moving contact (11) composition that back-moving spring (10) 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 can automatically regulating cerebrospinal fluid shunt volume described in claim 1 or 2 and preventing the device that isocon stops up, it is characterized in that Y shape isocon (1) is monolithic construction or split-type structural, the Y shape isocon of described split-type structural comprises two upper arm conduits (1-1), a underarm conduit (1-2) and two upper arm runs and a Y shape junction section (1-3) that underarm run forms, and upper arm conduit (1-1) is connected with upper arm run and the underarm run of described Y shape junction section by connection tube (2) respectively with underarm conduit (1-2).
4. according to can automatically regulating cerebrospinal fluid shunt volume described in claim 1 or 2 and preventing the device that isocon stops up, it is characterized in that the oval cam that turn of tidal stream pump (6) is connected by micromachine and with micromachine power output shaft forms.
5. can automatically regulate according to claim 3 cerebrospinal fluid shunt volume and prevent the device that isocon stops up, it is characterized in that the oval cam that turn of tidal stream pump (6) is connected by micromachine and with micromachine power output shaft forms.
6. according to can automatically regulating cerebrospinal fluid shunt volume described in claim 1 or 2 and preventing the device that isocon stops up, characterized by further comprising temperature sensor (25) and specific gravity sensor (26), 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.
7. according to can automatically regulating cerebrospinal fluid shunt volume described in claim 1 or 2 and preventing the device that isocon stops up, 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.
8. can automatically regulate according to claim 6 cerebrospinal fluid shunt volume and prevent the device that isocon stops up, 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.
9. can automatically regulate according to claim 7 cerebrospinal fluid shunt volume and prevent the device that isocon stops up, it is characterized in that described the second electronic control system also comprises alarm lamp (20), alarm buzzer (21), data storage and data output interface, alarm lamp (20), alarm buzzer (21), data storage is connected with second singlechip respectively with data output interface, described second source is connected with power supply indicator (22), described data storage and second singlechip, second source is arranged in same box body, described alarm buzzer is arranged on outer wall or the inwall of described box body, described data output interface, alarm lamp and power supply indicator are arranged on the outer wall of described box body.
10. can automatically regulate according to claim 8 cerebrospinal fluid shunt volume and prevent the device that isocon stops up, it is characterized in that described the second electronic control system also comprises alarm lamp (20), alarm buzzer (21), data storage and data output interface, alarm lamp (20), alarm buzzer (21), data storage is connected with second singlechip respectively with data output interface, described second source is connected with power supply indicator (22), described data storage and second singlechip, second source is arranged in same box body, described alarm buzzer is arranged on outer wall or the inwall of described box body, described data output interface, alarm lamp and power supply indicator are arranged on the outer wall of described box body.
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| CN201410060696.7A CN103800991B (en) | 2014-02-21 | 2014-02-21 | Cerebrospinal fluid shunt amount and the device preventing isocon from blocking can be automatically adjusted |
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| CN201410060696.7A CN103800991B (en) | 2014-02-21 | 2014-02-21 | Cerebrospinal fluid shunt amount and the device preventing isocon from blocking can be automatically adjusted |
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