CN102205162A - Drain tube for intracranial pressure monitoring - Google Patents
Drain tube for intracranial pressure monitoring Download PDFInfo
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- CN102205162A CN102205162A CN 201110162589 CN201110162589A CN102205162A CN 102205162 A CN102205162 A CN 102205162A CN 201110162589 CN201110162589 CN 201110162589 CN 201110162589 A CN201110162589 A CN 201110162589A CN 102205162 A CN102205162 A CN 102205162A
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- drainage tube
- intracranial pressure
- monitoring intracranial
- drain tube
- monitoring
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- 238000007917 intracranial administration Methods 0.000 title claims abstract description 86
- 238000012544 monitoring process Methods 0.000 title claims abstract description 64
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000741 silica gel Substances 0.000 claims abstract description 3
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 3
- 239000004945 silicone rubber Substances 0.000 claims description 20
- 239000004065 semiconductor Substances 0.000 claims description 11
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 2
- 238000012806 monitoring device Methods 0.000 claims description 2
- 239000011888 foil Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 208000030886 Traumatic Brain injury Diseases 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- 229920002457 flexible plastic Polymers 0.000 description 1
- 235000019589 hardness Nutrition 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 201000009941 intracranial hypertension Diseases 0.000 description 1
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Abstract
The invention discloses an intracranial pressure monitoring drain tube and belongs to the technical field of intracranial drain tube devices. The drain tube comprises an intracranial pressure monitoring probe and a drain tube, wherein a rigid silicon rubber head is arranged at the front end of the drain tube, and a drain butt port is formed at the tail end of the drain tube; the intracranial pressure monitoring probe is embedded at the front end of the interior of the drain tube; a drain pore is formed on the lateral side of the drain tube; a rectangular hollow groove is formed in the middle of the intracranial pressure monitoring probe; a silicon substrate to which a pressure strain foil is attached is closely attached to the groove, and the periphery of the groove is completely sealed by silica gel; a first drain pore is formed on a part, corresponding to the pressure strain foil, of the top of the drain tube; and a thermocouple is arranged on the rigid silicon rubber head at the front end of the drain tube. By utilizing the intracranial pressure monitoring drain tube, the intracranial pressure is monitored in real time in an intracranial draining process, the hard silicon rubber head arranged at the front end causes less damage to brain tissues and nerve fibers; the first drain pore can be used for realizing drainage, and ensures that the pressure strain foil can be directly contacted with an external liquid, so that the monitored pressure is more accurate.
Description
Technical field
The present invention relates to a kind of monitoring intracranial pressure drainage tube, the real-time monitoring of intracranial pressure belongs to intracranial drainage tube technique with the apparatus field when being fit to that especially serious cerebral edema patient carried out the intracranial drain.
Background technology
Traumatic brain edema is secondary to craniocerebral injury, and the intracranial liquid component increases, and causes that brain volume increases, and is the encephaloclastic important component part of Secondary cases after the wound, as not giving timely treatment, can cause cerebral hernia formation, central respiratory and circulatory failure and death.Intracranial pressure (ICP) monitoring is the rapidest, the objective and method accurately of diagnosis intracranial hypertension, also is to observe patient's change of illness state, early diagnosis, judgement operating time, instruct clinical drug therapy, judgement and improve the important means of prognosis.The intracranial drain is to reduce one of effective means of intracranial pressure, alleviation cerebral edema.With two kinds of technological incorporation, can monitor and reduce intracranial pressure, alleviate cerebral edema.
At present, the domestic drainage tube that in drain, to monitor intracranial pressure of also not developing.The Codman ICP (monitor intracranial pressure monitor) that Johnson Co. produces can realize monitoring intracranial pressure and intracranial drain.Its operation principle is gathered pressure signal and is converted to the signal of telecommunication by " pressure-signal of telecommunication " transducer in the forward Titanium box of popping one's head in, and conducts to main frame through sensor cable and reads and analyze, and finally is shown on the LCD screen.Its shortcoming is: cost an arm and a leg; Can not monitor the intracranial temperature in real time.
Summary of the invention
Technical problem to be solved by this invention is according to above-mentioned present situation, a kind of monitoring intracranial pressure drainage tube reasonable, simple in structure, easy to operate, that drain is unobstructed of constructing is provided, to the real-time monitoring of intracranial pressure, advance the development of intracranial drainage technology and monitoring intracranial pressure technology when being used for the intracranial drain.
The present invention is for solving the problems of the technologies described above by the following technical solutions.
A kind of monitoring intracranial pressure drainage tube, comprise monitoring intracranial pressure probe and drainage tube, the front end of described drainage tube is provided with hard silicone rubber head, the end of drainage tube is provided with the drain docking port, described monitoring intracranial pressure probe is embedded in the drainage tube interior forward end, is provided with conduction hole in the side of drainage tube, in the middle of the described monitoring intracranial pressure probe rectangle dead slot is set, silicon base with the pressure-strain sheet is close on the described groove, uses the silica gel complete closed around the groove;
The two ends of the pressure-strain sheet that adheres on the described silicon base link to each other with bridge circuit in the external pressure monitoring device by first, second lead respectively;
Top and the corresponding position of pressure-strain sheet at drainage tube offer first conduction hole;
Be positioned at hard silicone rubber head place at the drainage tube front end and also be provided with thermocouple, the two ends of described thermocouple respectively by the 3rd, privates are connected with outside temperature measurement circuit.
Preferably,, can protect monitoring probe and thermocouple simultaneously in order to have reduced progressive resistance, monitoring intracranial pressure drainage tube of the present invention, described hard silicone rubber head is a circular arc.
Preferably, monitoring intracranial pressure drainage tube of the present invention, described pressure-strain sheet adopts semiconductor gauge, is of a size of long 5mm, wide 0.4mm; Described silicon base is of a size of long 4.5mm, wide 2.5mm.
Preferably, in order to improve the precision of measuring temperature, monitoring intracranial pressure drainage tube of the present invention, the distance of described thermocouple and semiconductor gauge is less than 3mm.
Preferably, monitoring intracranial pressure drainage tube of the present invention, described first, second lead adopts the insulation thin wire.
Preferably, monitoring intracranial pressure drainage tube of the present invention, described first to fourth lead adopt the wire-protecting cover to be packaged into a strand in the inside of drainage tube, are fixed in the tube wall of drainage tube inboard and draw.
Further, monitoring intracranial pressure drainage tube of the present invention also comprises four hole waterproof interfaces, and an end of described four hole waterproof interfaces links to each other with described first to fourth lead respectively, and the other end links to each other with the monitoring intracranial pressure display device.
Preferably, monitoring intracranial pressure drainage tube of the present invention, the pipe diameter of described drainage tube are 3.5mm-5mm.
Preferably, monitoring intracranial pressure drainage tube of the present invention, the body of described drainage tube adopts soft silicone rubber tube, and the monitoring intracranial pressure probe adopts medical hard silicone rubber probe.
Preferably, monitoring intracranial pressure drainage tube of the present invention, described first conduction hole are oval.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
The front end perforate of intracranial drainage tube of the present invention can realize drain on the one hand, and the pressure-strain sheet is directly contacted with extraneous liquid, and the pressure that records is more accurate.
Intracranial drainage tube front end of the present invention is equipped with thermocouple, is used to measure the temperature of measurand, eliminates the interference of temperature to intracranial pressure.
The whole medical grade silicon rubber special hose material that adopts of drainage tube, front end is medical hard silicone rubber head, the monitoring intracranial pressure probe is medical hard silicone rubber probe, be embedded in the drainage tube interior forward end, these material hardnesses are suitable, and histocompatibility is good, and are little to cerebral tissue and nerve fiber damage.
Monitoring intracranial pressure probe of the present invention combines with the monitoring display device, through calibration and zeroing, can obtain intracranial pressure more accurately.Intracranial drain in the past is to rely on the doctor in charge's experience to judge the degree of drain, can cause certain mistaken diagnosis unavoidably, by with the combining of monitoring intracranial pressure probe, realized when the intracranial drain real-time monitoring to intracranial pressure.
Description of drawings
Fig. 1 is the overall structure figure of monitoring intracranial pressure drainage tube of the present invention.
Fig. 2 is the side view of monitoring intracranial pressure drainage tube of the present invention.
Fig. 3 is the front end profile of monitoring intracranial pressure drainage tube of the present invention.
Fig. 4 is the pressure-strain chip architecture figure of monitoring intracranial pressure drainage tube of the present invention.
Fig. 5 is the profile of the wire-protecting cover of monitoring intracranial pressure drainage tube of the present invention.
Number in the figure is explained: 1-thermocouple, the hard silicone rubber head of 2-, 3-elliptical aperture; the 4-groove, 5-semiconductor gauge, 6-silicon base; the hard silicone rubber probe of 7-, the soft silicone rubber tube of 8-, 9-semiconductor gauge positive wire; 10-semiconductor gauge negative wire, 11-wire-protecting cover, 12-drain interface; 13-four hole waterproof interfaces; 14-thermocouple positive wire, 15-thermocouple negative wire, 16-drainage tube side circular hole.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described in further detail:
As shown in Figure 1, the overall structure figure of monitoring intracranial pressure drainage tube of the present invention.Four hole waterproof interfaces 13 of this drainage tube link to each other with the pressure monitoring display device, and the drain interface 12 of drainage tube end connects drainage system, and the drainage tube front end inserts patient's the ventricles of the brain.
The temperature of brain when thermocouple 1 is mainly used to detect the intracranial drain is eliminated the influence of temperature to intracranial pressure.Thermocouple is fixed on the top of drainage tube, with the distance of semiconductor gauge 5 less than 3mm, so that improve the precision of measuring temperature.The TT-J-36-SLE model thermocouple that this thermocouple adopts U.S. Omega company to produce, special rich peasant's crust, J calibration number, heatproof 260 degree, line footpath 2*0.127mm.
Hard silicone rubber head 2 is used for protecting the front end of drainage tube, and the circular arc design has reduced progressive resistance, can protect pressure monitoring probe 7 and thermocouple 1 simultaneously.
The two ends that the both positive and negative polarity of thermocouple connects lead 14,15 connect thermocouple and temperature measurement circuit respectively.
Drainage tube adopts plastic hose 8, makes things convenient for drain, improves the safety of treatment, and the elliptical aperture 3 of front end and lateral circular hole 16 are inlets of drain.Elliptical aperture 3 can be realized drain on the one hand, and the pressure-strain sheet is directly contacted with extraneous liquid, and the pressure that records is more accurate.
Shown in the wire-protecting cover 11 is by thermocouple two polar conductors of flexible plastic protective sleeve packing and the assembly of foil gauge two polar conductors.
Four holes of four hole waterproof interfaces 13 are used for connecting dipolar lead of thermocouple and foil gauge two polar conductors respectively, and this interface final sum monitoring intracranial pressure display device links to each other.
Fig. 2 is the side view of monitoring intracranial pressure drainage tube, and all leads become a strand, and 11 protections of wire-protecting cover are arranged outward, is fixed in the drainage tube inwall and draws, and is connected with four hole waterproof interfaces 13; 4 circular holes 16 are respectively opened in center, drainage tube two sides, are convenient to liquid and enter drainage tube.
Fig. 3 is the front end profile of monitoring intracranial pressure drainage tube; comprise thermocouple 1 in the hard silicone rubber head 2; the front end of soft silicone rubber tube 8 has hard silicone rubber probe 7; centre at hard silicone rubber probe 7 offers groove 4; above groove 4, offer elliptical aperture 3; silicon base 6 is close on the groove 4, and wire-protecting cover 11 is fixed in the tube wall of drainage tube inboard.
Fig. 4 is the semiconductor gauge structure chart of monitoring intracranial pressure drainage tube, and semiconductor gauge 5 is attached on the silicon base 6, axially draws lead by silicon base.
Fig. 5 is the profile of wire-protecting cover among Fig. 1, comprises the anodal lead 14 that connects of thermocouple in protective sleeve 11, and the thermocouple negative pole connects lead 15, foil gauge positive wire 9, foil gauge cathode conductor 10.
During actual the use, the pressure-strain sheet is linked into by lead in the electric bridge of monitoring intracranial pressure circuit, and the resistance variations after the deformation is converted into change in voltage, can obtain intracranial pressure behind pressure calibration.Carry out drain by elliptical aperture 3 and the lateral circular hole 16 of drainage tube, intracranial liquid is drawn, adopt thermocouple to record the intracranial temperature simultaneously, eliminate the influence of temperature intracranial pressure.
Claims (10)
1. monitoring intracranial pressure drainage tube, comprise monitoring intracranial pressure probe and drainage tube, the front end of described drainage tube is provided with hard silicone rubber head, the end of drainage tube is provided with the drain docking port, described monitoring intracranial pressure probe is embedded in the drainage tube interior forward end, side at drainage tube is provided with conduction hole, it is characterized in that:
In the middle of the described monitoring intracranial pressure probe rectangle dead slot is set, the silicon base of having the pressure-strain sheet is close on the described groove, uses the silica gel complete closed around the groove;
The two ends of the pressure-strain sheet that adheres on the described silicon base link to each other with bridge circuit in the external pressure monitoring device by first, second lead respectively;
Top and the corresponding position of pressure-strain sheet at drainage tube offer first conduction hole;
Be positioned at hard silicone rubber head place at the drainage tube front end and also be provided with thermocouple, the two ends of described thermocouple respectively by the 3rd, privates are connected with outside temperature measurement circuit.
2. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: described hard silicone rubber head is a circular arc.
3. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: described pressure-strain sheet adopts semiconductor gauge, is of a size of long 5mm, wide 0.4mm; Described silicon base is of a size of long 4.5mm, wide 2.5mm.
4. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: the distance of described thermocouple and semiconductor gauge is less than 3mm.
5. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: described first, second lead adopts the insulation thin wire.
6. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: described first to fourth lead adopts the wire-protecting cover to be packaged into a strand in the inside of drainage tube, is fixed in the tube wall of drainage tube inboard and draws.
7. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: also comprise four hole waterproof interfaces, an end of described four hole waterproof interfaces links to each other with described first to fourth lead respectively, and the other end links to each other with the monitoring intracranial pressure display device.
8. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: the pipe diameter of described drainage tube is 3.5mm-5mm.
9. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: the body of described drainage tube adopts soft silicone rubber tube, and the monitoring intracranial pressure probe adopts medical hard silicone rubber probe.
10. monitoring intracranial pressure drainage tube according to claim 1 is characterized in that: described first conduction hole is for oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110162589 CN102205162B (en) | 2011-06-17 | 2011-06-17 | Drain tube for intracranial pressure monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110162589 CN102205162B (en) | 2011-06-17 | 2011-06-17 | Drain tube for intracranial pressure monitoring |
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| CN102205162A true CN102205162A (en) | 2011-10-05 |
| CN102205162B CN102205162B (en) | 2013-04-10 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436418A (en) * | 2014-12-20 | 2015-03-25 | 周化庆 | Intracranial hematoma drainage tube capable of measuring cranium pressure |
| CN104905781A (en) * | 2015-02-13 | 2015-09-16 | 林昌军 | Encephalic physiological parameter collecting device and application |
| CN104970787A (en) * | 2015-06-29 | 2015-10-14 | 苏州景昱医疗器械有限公司 | Probe contact, probe module and multiparameter monitoring system |
| CN105013064A (en) * | 2015-08-26 | 2015-11-04 | 中国人民解放军第二军医大学 | Improved external ventricular drainage tube |
| CN105686811A (en) * | 2016-02-24 | 2016-06-22 | 南京航空航天大学 | Minimally-invasive encephalic multi-parameter detection probe |
| CN105935468A (en) * | 2016-05-30 | 2016-09-14 | 赵飞 | Head drainage tube |
| CN106361320A (en) * | 2016-09-26 | 2017-02-01 | 江苏爱思普医疗科技有限公司 | Minimally-invasive intracranial pressure and intracranial temperature monitoring system and probe zeroing method |
| CN110123287A (en) * | 2019-05-30 | 2019-08-16 | 江苏吉瑞达电子有限公司 | The sensor probe of disposable monitoring human body encephalic temperature and pressure |
| CN111990986A (en) * | 2020-09-16 | 2020-11-27 | 合肥中纳医学仪器有限公司 | Intracranial pressure monitoring method and device |
| CN106343998B (en) * | 2016-09-28 | 2023-03-21 | 苏州景昱医疗器械有限公司 | Sealing structure and test system of probe |
| CN115998278A (en) * | 2023-02-23 | 2023-04-25 | 华科精准（北京）医疗科技有限公司 | Drainage tube capable of monitoring intracranial pressure and intelligent intracranial pressure monitoring and management system |
| CN117330234A (en) * | 2023-11-28 | 2024-01-02 | 微智医疗器械有限公司 | Pressure sensor assembly manufacturing method and pressure sensor assembly |
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2011
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Patent Citations (4)
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| WO1991005575A1 (en) * | 1989-10-11 | 1991-05-02 | Baxter International Inc. | Integral intracranial pressure monitor and drainage catheter assembly |
| CN2555770Y (en) * | 2002-06-07 | 2003-06-18 | 张清平 | Intracranical pressure monitor with miniature sensor |
| CN2614684Y (en) * | 2003-04-04 | 2004-05-12 | 张晓东 | External ventricular drainage automatic controlling device under intracranial pressure monitoring |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436418A (en) * | 2014-12-20 | 2015-03-25 | 周化庆 | Intracranial hematoma drainage tube capable of measuring cranium pressure |
| CN104905781A (en) * | 2015-02-13 | 2015-09-16 | 林昌军 | Encephalic physiological parameter collecting device and application |
| CN104970787A (en) * | 2015-06-29 | 2015-10-14 | 苏州景昱医疗器械有限公司 | Probe contact, probe module and multiparameter monitoring system |
| CN105013064A (en) * | 2015-08-26 | 2015-11-04 | 中国人民解放军第二军医大学 | Improved external ventricular drainage tube |
| CN105686811B (en) * | 2016-02-24 | 2019-02-05 | 南京航空航天大学 | A kind of minimal removed of intracranial parameter detecting probe |
| CN105686811A (en) * | 2016-02-24 | 2016-06-22 | 南京航空航天大学 | Minimally-invasive encephalic multi-parameter detection probe |
| CN105935468A (en) * | 2016-05-30 | 2016-09-14 | 赵飞 | Head drainage tube |
| CN106361320A (en) * | 2016-09-26 | 2017-02-01 | 江苏爱思普医疗科技有限公司 | Minimally-invasive intracranial pressure and intracranial temperature monitoring system and probe zeroing method |
| CN106343998B (en) * | 2016-09-28 | 2023-03-21 | 苏州景昱医疗器械有限公司 | Sealing structure and test system of probe |
| CN110123287A (en) * | 2019-05-30 | 2019-08-16 | 江苏吉瑞达电子有限公司 | The sensor probe of disposable monitoring human body encephalic temperature and pressure |
| CN111990986A (en) * | 2020-09-16 | 2020-11-27 | 合肥中纳医学仪器有限公司 | Intracranial pressure monitoring method and device |
| CN111990986B (en) * | 2020-09-16 | 2023-10-03 | 合肥中纳医学仪器有限公司 | Intracranial pressure monitoring method and device |
| CN115998278A (en) * | 2023-02-23 | 2023-04-25 | 华科精准（北京）医疗科技有限公司 | Drainage tube capable of monitoring intracranial pressure and intelligent intracranial pressure monitoring and management system |
| CN117330234A (en) * | 2023-11-28 | 2024-01-02 | 微智医疗器械有限公司 | Pressure sensor assembly manufacturing method and pressure sensor assembly |
| CN117330234B (en) * | 2023-11-28 | 2024-03-15 | 微智医疗器械有限公司 | Pressure sensor assembly manufacturing method and pressure sensor assembly |
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| CN102205162B (en) | 2013-04-10 |
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Effective date of registration: 20160214 Address after: No. 55, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee after: JIANGSU AISIPU MEDICAL TREATMENT TECHNOLOGY CO., LTD. Address before: Yudaojie Baixia District of Nanjing City, Jiangsu Province, No. 29 210016 Patentee before: Nanjing University of Aeronautics and Astronautics |