CN207221057U - Cerebrospinal fluid active guiding device based on pressure sensor - Google Patents
Cerebrospinal fluid active guiding device based on pressure sensor Download PDFInfo
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- CN207221057U CN207221057U CN201720058459.6U CN201720058459U CN207221057U CN 207221057 U CN207221057 U CN 207221057U CN 201720058459 U CN201720058459 U CN 201720058459U CN 207221057 U CN207221057 U CN 207221057U
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- pressure sensor
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Abstract
A kind of cerebrospinal fluid active guiding device based on pressure sensor of the utility model, belongs to the field of medical instrument technology, including pressure acquisition unit and cerebrospinal fluid active flow guiding unit；Wherein, cerebrospinal fluid active flow guiding unit includes peristaltic pump and control circuit；During working status, patient's ventricles of the brain are connected to the entrance of peristaltic pump by conduit, pressure acquisition unit is arranged in the circumferential direction of conduit, pressure for cerebrospinal fluid in collection tube, and the pressure value of collection is transferred to control circuit, the pressure value that control circuit is used to receive pressure acquisition unit collection controls the work of peristaltic pump compared with pressure threshold.The utility model is directed to the complicated deficiency of high cost of existing intracranial pressure monitor, there is provided and it is a kind of of simple structure and low cost, practical and convenient, not only can be with intracranial pressure, but also can be used for carrying out the cerebrospinal fluid guiding device of cerebrospinal fluid water conservancy diversion operation.Actively drawing a part of cerebrospinal fluid when patient's intracranial pressure is excessive makes encephalic be pressed back within normally-pressured neighbor.
Description
Technical field：
The utility model belongs to the field of medical instrument technology, and in particular to a kind of cerebrospinal fluid based on pressure sensor is actively
Guiding device.
Background technology：
Clinically, spinal surgery usually needs to carry out operation of opening cranium, to prevent from leaving sequelae after operation, this
A little patients are required to carry out cerebrospinal fluid water conservancy diversion, on the one hand reduce wound fluid and enter encephalic, reduce intracranial infection risk；It is another
Aspect prevents the excessive compressing cranial nerve of intracranial pressure.Meanwhile the excessive water conservancy diversion of cerebrospinal fluid can cause intracranial pressure to reduce and then head occurs
Bitterly, Rehabilitation is influenced, it is serious to also result in Cerebellar ptosis, i.e. hernia cerebri, or even jeopardize patients ' lives.So place diversion pipe
The cerebrospinal fluid of encephalic must be kept during water conservancy diversion certain pressure value, is usually maintained between the 80-180 millimeters of water.Therefore cranium
Inspection of inner pressure has great significance in medicine.
Patent CN105641758A devises a kind of device for being capable of water conservancy diversion cerebrospinal fluid, can only but be the shortcomings that this device
Passive depended on pressure difference exports cerebrospinal fluid, so allows for device and lacks flexibility in real work, in face of patient or
Clinical demand can not be fully met when unit exception situation.
Patent CN201410575439 devises a kind of Noninvasive intracranial pressure patient monitor, this design, which is adopted, to be computerizedd control and connect
Be connected to daylighting eyeshade, daylighting eyeshade be connected with crosslinking electrode, then by amplifier, data collecting card and pci interface with
Computer is connected.The shortcomings that this design, is that device is excessively complicated, it has not been convenient to which patient is carried with mobile, and only cranium
Inspection of inner pressure function and can not achieve the water conservancy diversion of cerebrospinal fluid.
Patent CN201610089692 devises a kind of intracranial pressure monitoring system using internet platform, this system uses
Multiple intracranial pressure monitors, multiple handheld terminals, a wireless receiver, a workstation computer, a server database,
Multiple terminal devices.Wireless monitor can be realized to patient's intracranial pressure in ward, but its shortcoming is that this system is excessively huge
Cause production cost too high and be not easy to adjust.
Similar products above existing market are of high cost, required precision is not high, structure is excessively complicated, and volume weight is relatively
Greatly.It is on diversion technology to use passive diversion mode more, cause often to react not prompt enough in use.
Utility model content：
The purpose of this utility model is to provide a kind of cerebrospinal fluid active guiding device based on pressure sensor, pass through pressure
Force snesor accurately measures intracranial pressure, and carries out active water conservancy diversion to intracranial pressure according to intracranial pressure measurement result.The device both can be certainly
Dynamic water conservancy diversion, also can manual control water conservancy diversion speed or water conservancy diversion cerebrospinal fluid cumulative volume.
To reach above-mentioned purpose, the utility model adopts the following technical solution to realize：
Cerebrospinal fluid active guiding device based on pressure sensor, including pressure acquisition unit and cerebrospinal fluid active water conservancy diversion list
Member；Wherein,
Cerebrospinal fluid active flow guiding unit includes peristaltic pump and control circuit；
During working status, patient's ventricles of the brain are connected to the entrance of peristaltic pump by conduit, and pressure acquisition unit is arranged on conduit
Circumferential direction on, be transferred to control circuit for measuring the pressure of cerebrospinal fluid in conduit, and by the pressure value of collection, control circuit is used
In the pressure value for receiving pressure acquisition unit measurement gained and compared with the pressure value or range of setting, and then control peristaltic pump
Work.
The utility model, which further improves, to be, pressure acquisition unit includes pressure sensor and signal processing circuit,
Wherein, pressure sensor is used for the pressure signal of the cerebrospinal fluid in collection tube, and by the pressure signal of collection through signal processing
Processing of circuit is simultaneously transferred to control circuit.
The utility model, which further improves, to be, the quantity of pressure sensor has one or more.
The utility model, which further improves, to be, cerebrospinal fluid active flow guiding unit further includes connector, pressure acquisition list
The pressure value of collection is transferred to control circuit by member through connector.
The utility model further improve is, cerebrospinal fluid active flow guiding unit further include be connected with control circuit show
Show device, for showing the pressure of cerebrospinal fluid and the working status of peristaltic pump in conduit.
The utility model, which further improves, to be, the part shown in display is LCD screen, touches part to be to touch
Panel or the common screen with button.
The utility model, which further improves, to be, cerebrospinal fluid active flow guiding unit further includes button, for artificially to compacted
The working status of dynamic pump is regulated and controled.
The utility model, which further improves, to be, warning device is additionally provided with control circuit.
The utility model, which further improves, to be, further includes the liquid storing bag that the outlet with peristaltic pump (7) is connected.
The utility model has the following advantages：
The utility model is directed to the complicated deficiency of high cost of existing intracranial pressure monitor, there is provided a kind of structure letter
It is single, of low cost, practical and convenient, not only can be with intracranial pressure, but also can be used for carrying out the device of cerebrospinal fluid active water conservancy diversion operation.
Actively exporting a part of cerebrospinal fluid when patient's intracranial pressure is excessive makes encephalic be pressed back within normally-pressured neighbor.
In actual use, the reference pressure value and alarm bound pressure value of cerebrospinal fluid can be set.Sensor is surveyed in real time
Patient's cerebrospinal pressure force value is measured, control unit is sent to after being handled via signal processing circuit.When observed pressure value is higher than setting
Reference value when, control unit start peristaltic pump to cerebrospinal fluid carry out active water conservancy diversion；When reference of the observed pressure value less than setting
During value, control unit stops active water conservancy diversion；The pressure value of cerebrospinal fluid is maintained and set by such a control and method of river diversion by device
Near fixed reference pressure value.When patient occur burst clinical condition or equipment break down (such as diversion pipeline obstruction etc. feelings
Condition), when causing patient's intracranial pressure to be persistently raised and lowered and exceeding alarm bound threshold value, equipment cures automatic alarm to cause
Shield personnel pay attention to.
Brief description of the drawings：
Fig. 1 is the structure principle chart of the utility model cerebrospinal fluid guiding device.
In figure：1- buttons, patient's 2- ventricles of the brain, 3- pressure acquisition units；4- pressure sensors, 5- signal processing circuits, 6-
Cerebrospinal fluid active flow guiding unit；7- peristaltic pumps, 8- displays, 9- control circuits, 10- connectors.
Embodiment：
The utility model is made further instructions below in conjunction with attached drawing.
As shown in Figure 1, the utility model proposes the cerebrospinal fluid active guiding device based on pressure sensor, disclosure satisfy that
Medical actual demand, including pressure acquisition unit 3 and cerebrospinal fluid active flow guiding unit 6；Wherein, pressure acquisition unit 3 includes pressure
Force snesor 4 and signal processing circuit 5, cerebrospinal fluid active flow guiding unit 6 include button 1, peristaltic pump 7, display 8, control electricity
Road 9, connector 10 and battery.Battery can charge or replace.
Pressure sensor 4 is fixed on surrounding catheter to measure pressure in the pressure acquisition unit 3.And pressure sensor 4
The quantity of middle sensor for one to multiple, so can be to avoid other pressure when some pressure sensor job failures
Sensor remains to accurately measure pressure.
Signal processing circuit 5 is used to receiving the signal of the output of pressure sensor 4 and does or the processing such as voltage stabilizing or amplification, here
It is noted that 5 position of signal processing circuit might not be placed in pressure acquisition unit 3 as shown in the figure, can also be with brain ridge
Control circuit 9 in liquid active flow guiding unit is merged together.
The pressure signal that pressure acquisition unit 3 gathers sends control circuit 9 to through connector 10, contains in control circuit 9
Executable program, can show current pressure value on the display 8, while can control the work of peristaltic pump 7
State.Warning device is additionally provided with control circuit 9, after the pressure value monitored is more than default upper pressure limit value.Meeting
Trigger alarm system, i.e. display 8 and optics and the dual-alarm of acoustics in control circuit 9.Control circuit 9 is monitoring
Pressure value is more than after default upper pressure limit value, can start peristaltic pump 7 and carry out water conservancy diversion, in water conservancy diversion for a period of time if detection institute
The pressure value obtained is down under preset pressure upper limit value, then stops the water conservancy diversion work of peristaltic pump 7.
In the cerebrospinal fluid active flow guiding unit, active water conservancy diversion can be carried out by the rotation of peristaltic pump 7.By to wriggling
The elastic feed-line of pump 7, which is alternately extruded and discharged, carrys out pumped fluid.Just as with two finger pinching feed-lines,
With the movement of finger, interior formation negative pressure is managed, liquid flows therewith.Pump head is made of two parts：Rotor and shell.Pump line seals
In pump line bed, pump line bed is between rotor and shell.Liquid can be released when the roll on rotor presses through pump line
Feed-line.Roll press through don't pipe the space of a part of vacuum can be produced when shape is recovered fluid can also be inhaled at this time
Enter in pipe.
The display 8 is LCD display.
The button 1 can be used in artificially manipulating whole cerebrospinal fluid guiding device, and the number and shape of button 1 are with reality
Subject to, it is only to illustrate in attached drawing.
During work, a conduit is inserted into patient's ventricles of the brain 2 and is used to draw cerebrospinal fluid, which is provided with pressure
Sensor 4, pressure sensor 4 continuously or periodically can measure the fluid pressure of cerebrospinal fluid, and the data of measurement exist
By wire transmission to control circuit 9 after being handled by signal processing circuit 5, cerebrospinal fluid flows out it from pressure acquisition unit
Enter the peristaltic pump 7 in cerebrospinal fluid active flow guiding unit afterwards, control circuit 9 can be according to current information after signal is received
To adjust the working status of the registration of display 8 and peristaltic pump 7, while there is executable program and default in control circuit 9
Upper pressure limit, control circuit 9 will trigger warning device and show when the pressure value measured is more than default upper limit value
Device 8 has alarm above, while the sound that can also sound the alarm, while control circuit 9 can also start peristaltic pump 7, by cerebrospinal fluid
Water conservancy diversion is gone out from conduit.
The utility model is additionally provided with button 1, for can consider that input data or instruction fill to adjust cerebrospinal fluid water conservancy diversion
The working status put, more neatly can treat the health status of patient.
Claims (7)
1. the cerebrospinal fluid active guiding device based on pressure sensor, it is characterised in that including pressure acquisition unit (3) and brain ridge
Liquid active flow guiding unit (6)；Wherein,
Cerebrospinal fluid active flow guiding unit (6) includes peristaltic pump (7) and control circuit (9)；
During working status, patient's ventricles of the brain (2) are connected to the entrance of peristaltic pump (7) by conduit, and pressure acquisition unit (3) is arranged on
In the circumferential direction of conduit, control circuit (9) is transferred to for the pressure of cerebrospinal fluid in collection tube, and by the pressure value of collection, is controlled
The pressure value that circuit (9) processed is used to receive pressure acquisition unit (3) collection controls peristaltic pump compared with compression force reference value
(7) work；
Pressure acquisition unit (3) includes pressure sensor (4) and signal processing circuit (5), wherein, pressure sensor (4) is used for
The pressure signal of cerebrospinal fluid in collection tube, and the pressure signal of collection is handled and is transferred to through signal processing circuit (5)
Control circuit (9)；
Cerebrospinal fluid active flow guiding unit (6) further includes connector (10), and pressure acquisition unit (3) is by the pressure value of collection through connection
Device (10) is transferred to control circuit (9).
2. the cerebrospinal fluid active guiding device according to claim 1 based on pressure sensor, it is characterised in that pressure passes
The quantity of sensor (4) has multiple.
3. the cerebrospinal fluid active guiding device according to claim 1 based on pressure sensor, it is characterised in that cerebrospinal fluid
Active flow guiding unit (6) further includes the display (8) being connected with control circuit, for showing in conduit the pressure of cerebrospinal fluid and compacted
The working status of dynamic pump (7).
4. the cerebrospinal fluid active guiding device according to claim 3 based on pressure sensor, it is characterised in that display
(8) display portion is LCD display, touches part to be touch panel or commonly shielding with button.
5. the cerebrospinal fluid active guiding device according to claim 1 based on pressure sensor, it is characterised in that cerebrospinal fluid
Active flow guiding unit (6) further includes button (1), for artificially regulating and controlling to the working status of peristaltic pump (7).
6. the cerebrospinal fluid active guiding device according to claim 1 based on pressure sensor, it is characterised in that control electricity
Road is additionally provided with warning device in (9).
7. the cerebrospinal fluid active guiding device according to claim 1 based on pressure sensor, it is characterised in that further include
The liquid storing bag being connected with the outlet of peristaltic pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058459.6U CN207221057U (en) | 2017-01-18 | 2017-01-18 | Cerebrospinal fluid active guiding device based on pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058459.6U CN207221057U (en) | 2017-01-18 | 2017-01-18 | Cerebrospinal fluid active guiding device based on pressure sensor |
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| Publication Number | Publication Date |
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| CN207221057U true CN207221057U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720058459.6U Active CN207221057U (en) | 2017-01-18 | 2017-01-18 | Cerebrospinal fluid active guiding device based on pressure sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742589A (en) * | 2018-06-28 | 2018-11-06 | 西安交通大学 | A kind of portable brain spinal fluid guiding device |
| CN109091132A (en) * | 2018-06-28 | 2018-12-28 | 西安交通大学 | A kind of device measuring intracranial pressure |
-
2017
- 2017-01-18 CN CN201720058459.6U patent/CN207221057U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742589A (en) * | 2018-06-28 | 2018-11-06 | 西安交通大学 | A kind of portable brain spinal fluid guiding device |
| CN109091132A (en) * | 2018-06-28 | 2018-12-28 | 西安交通大学 | A kind of device measuring intracranial pressure |
| CN108742589B (en) * | 2018-06-28 | 2020-10-27 | 西安交通大学 | Portable cerebrospinal fluid flow guiding device |
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