CN206197935U - For the sensor of intracranial pressure monitoring - Google Patents
For the sensor of intracranial pressure monitoring Download PDFInfo
- Publication number
- CN206197935U CN206197935U CN201620810287.9U CN201620810287U CN206197935U CN 206197935 U CN206197935 U CN 206197935U CN 201620810287 U CN201620810287 U CN 201620810287U CN 206197935 U CN206197935 U CN 206197935U
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- pressure
- probe
- sensor
- sensing mechanism
- intracranial pressure
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Abstract
The utility model discloses a kind of sensor for intracranial pressure monitoring, including：Pressure sensing mechanism；Probe；It is used to accommodate the protection sleeve pipe of the pressure sensing mechanism lead；Wherein, a hollow tubing conductor is provided with the protection sleeve pipe, atmospheric pressure is transmitted to the pressure sensing mechanism with by the hollow tubing conductor, the pressure sensing mechanism realizes the monitoring of intracranial pressure by the pressure differential between intracranial pressure power and atmospheric pressure.The utility model provides a kind of sensor for intracranial pressure monitoring; it passes through the special hollow tubing conductor designed in protection sleeve pipe; constitute a second inside air flue connected with the first inside air flue; relative to it is traditional it is direct by protecting sleeve pipe lead between the inside air flue that constitutes of gap for; it has more preferable stability; it is difficult to be blocked, and then with the effect of stronger monitoring accuracy.
Description
Technical field
The utility model is related to a kind of sensor used in the case of pressure monitoring.More specifically, the utility model
It is related to a kind of sensor for by medicine equipment used in the case of intracranial pressure monitoring.
Background technology
Intracranial pressure sensor is used for the patient of craniocerebral injury in the postoperative pressure monitoring of encephalic, thinks that health care workers carry
For accurate numerical value, prevent postoperative intracranial pressure from persistently increasing, cause brain tissue to be pressurized and shift, and serious brain work(may be caused
Can lose, or even cause the phenomenon of brain death to occur.
The common feature that existing intracranial pressure sensor is present：Pressure is installed at monitoring window on sensor metal probe
Power chip, sensor has the air flue stomata of pressure chip bottom is connected with ambient atmosphere in structure, this air flue
Including sensor metal probe inside air flue and sensor conductor inside air flue two parts composition, the gold of its sensor when in use
Category probe is implanted in the middle of brain tissue, and brain tissue gives pressure to the pressure chip sensitive area under monitoring window, when this pressure
During more than atmospheric pressure, pressure chip sensitive area produces deformation, so that the resistance of chip changes, the voltage for exporting chip
Change, the variable signal of this voltage just obtains encephalic relative pressure numerical value through treatment.
But existing sensor its pressure chip is when inside metal probe, because it is internal without special air flue,
It easily occurs colloid in encapsulation and blocks air flue, and the small phenomenon in air flue gap caused by the winding between lead, makes
Air flue is in communication with the outside not freely, and then its pressure signal for gathering correctly is reflected patient's intracranial pressure so that pressure
Accuracy of detection does not reach requirement, misleads the judgement that doctor changes to conditions of patients.
Utility model content
A purpose of the present utility model is to solve at least the above and/or defect, and offer at least will be described later
Advantage.
The utility model is it is also an object that provide a kind of sensor for intracranial pressure monitoring, it passes through specially to exist
The hollow tubing conductor of design in protection sleeve pipe, constitutes a second inside air flue connected with the first inside air flue, relative to traditional
Directly by the way that for the inside air flue of protecting the gap between sleeve pipe lead to constitute, it has more preferable stability, be difficult by
Block, and then with the effect of stronger monitoring accuracy.
In order to realize according to these purposes of the present utility model and further advantage, there is provided a kind of for intracranial pressure monitoring
Sensor, including：
Pressure sensing mechanism；
Probe；
It is used to accommodate the protection sleeve pipe of the pressure sensing mechanism lead, its one end is stretched into the probe, and the other end prolongs
Extend the connection end with external equipment；
Wherein, it is described protection sleeve pipe in be provided with a hollow tubing conductor, with by the hollow tubing conductor to the pressure sensing
Mechanism transmits atmospheric pressure, and the pressure sensing mechanism obtains the pressure differential between intracranial pressure and atmospheric pressure, with by with
The external equipment of its connection realizes the monitoring of intracranial pressure..
Preferably, wherein, the notch of the receiving pressure sensing mechanism is offered on the probe, the probe exists
The support member of the pressure sensing mechanism is just being supported to being provided with the madial wall of notch, with the pressure sensing mechanism and spy
A cavity is defined between the madial wall of head, and then external atmospheric pressure is transmitted to the pressure sensing mechanism, carry out intracranial pressure
Power is monitored；
The cross section of the support member is arranged to take the shape of the letter U, and the position that the support member is engaged with probe two side
Curved portions are provided with, and the position contacted with probe bottom is provided with protuberance.
Preferably, wherein, the pressure sensing mechanism includes：
One pressure sensing chip；
Many leads, every one end of the lead is connected with each pin of the pressure sensing chip respectively, with outside
Portion's terminal device transmission detected value, the other end extends probe and is connected with external equipment, the intracranial pressure force value that will be received
Export to external equipment.
Preferably, wherein, also include：
It is used to accommodate the protection sleeve pipe of the pressure sensing mechanism lead, its one end is stretched into the probe, and the other end prolongs
Extend the connection end with external equipment；
Wherein, it is described protection sleeve pipe in be provided with a hollow tubing conductor connected with cavity, with by the hollow tubing conductor to
The pressure sensing mechanism transmits atmospheric pressure, and then obtains the pressure differential between intracranial pressure and atmospheric pressure, realizes encephalic
The detection of pressure.
Preferably, wherein, the pressure sensing mechanism is by room temperature vulcanized silicone rubber layer and then is encapsulated in supporting mechanism
On, the probe is fixed in probe by epoxy glue and then by protection sleeve pipe encapsulation.
Preferably, wherein, the thickness of room temperature vulcanized silicone rubber layer is arranged to 0.035mm-0.065mm scopes
It is interior.
Preferably, wherein, the thickness of room temperature vulcanized silicone rubber layer is arranged to 0.05mm.
Preferably, wherein, the material of the probe is arranged to metal material.
Preferably, wherein, the probe is arranged to be made of titanium alloy or stainless steel.
Preferably, wherein, the probe has curved portions stretching into one end of encephalic by epoxy glue composition.
Preferably, wherein, the probe is provided with curved transition sections at the edge corner of notch.The utility model
At least include following beneficial effect：The utility model constitutes one and the by the hollow tubing conductor that is separately provided in protection sleeve pipe
Second inside air flue of one inside air flue connection, direct is constituted relative to traditional by protecting the gap between sleeve pipe lead
Inside air flue for, it has more preferable stability, is difficult to be blocked, and then with the effect of stronger monitoring accuracy.
Further advantage of the present utility model, target and feature embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the side cross-sectional structural representation of sensor in one embodiment of the present utility model；
Fig. 2 is the cross section structure schematic diagram of a side end of sensor in one embodiment of the present utility model；
Fig. 3 is the overlooking the structure diagram of sensor in one embodiment of the present utility model；
Fig. 4 is the structural representation of pressure sensing mechanism in sensor in another embodiment of the present utility model；
Fig. 5 is the cross section structure schematic diagram of the end side of sensor in one embodiment of the present utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that it is used herein such as " have ", "comprising" and " including " term do not allot one or many
The presence or addition of individual other elements or its combination.
Fig. 1 shows the way of realization according to a kind of sensor for intracranial pressure monitoring of the present utility model, wherein
Including：
Pressure sensing mechanism 1；
Probe 2,；
It is used to accommodate the protection sleeve pipe 3 of the pressure sensing mechanism lead, its one end is stretched into the probe, and the other end prolongs
The connection end with external equipment is extended, it is used to protect each lead of pressure sensing mechanism, while being limited with it
Air flue inside one；
Wherein, a hollow tubing conductor 30 is provided with the protection sleeve pipe, is passed to the pressure with by the hollow tubing conductor
Sense mechanism transmission atmospheric pressure, the pressure sensing mechanism obtains the pressure differential between intracranial pressure and atmospheric pressure, to pass through
Connected external equipment realizes the monitoring of intracranial pressure, its pass through hollow tubing conductor individually limit one can be connected with cavity in
Portion's air flue, so that it is difficult to be blocked for the air flue in traditional protection sleeve pipe, and airway patency, to ensure essence
True accuracy of detection.Using this scheme have can implementation result it is good, highly reliable, good stability, high favourable of accuracy of detection
Part.Also, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
As Figure 1-3, in another example, the groove of the receiving pressure sensing mechanism is offered on the probe
Mouth 20, the probe is provided with the support member 4 for supporting the pressure sensing mechanism on the madial wall just to notch, and it is used for
The madial wall of probe is positioned by three fulcrums, makes its flatness for loose mail on horizontal plane higher, while
With more preferable stability, to define a cavity 20, Jin Erxiang between the pressure sensing mechanism and the madial wall of probe
The pressure sensing mechanism transmits external atmospheric pressure, carries out intracranial pressure monitoring；
The cross section of the support member is arranged to take the shape of the letter U, and the position that the support member is engaged with probe two side
Curved portions 40 are provided with, and the position contacted with probe bottom is provided with protuberance 41.Its role is to increase and madial wall
Between contact surface, and then with the effect of more preferable stability.It is provided separately within probe by special using this scheme
Supporting mechanism on the wall of side, and then chip of the mounting platform to pressure sensing mechanism is provided, prevent from being produced in its installation process
Offset deviation, while the blocking that colloid is caused from the injection of the edge of chip to air flue when preventing encapsulation, to ensure that the later stage has
Have good monitoring accuracy, it is high with flatness, can implementation result it is good, stability is strong, monitoring accuracy benefit high.And
And, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
As shown in figure 4, in another example, the pressure sensing mechanism includes：
One pressure sensing chip 10, it is used to be implanted in the middle of brain tissue in the metal probe of sensor, by pressure core
Piece sensitive area receives brain tissue to the pressure under monitoring window；
Many leads 11, every one end of the lead is connected with each pin of the pressure sensing chip respectively, its use
In by receive intracranial pressure force value,, when this pressure is more than atmospheric pressure, pressure chip sensitive area produces deformation for it, so that
The resistance of chip changes, and the voltage for exporting chip changes, and the other end extends probe and (do not show with external equipment
Go out) connect, the intracranial pressure force value that will be received is exported to external equipment, and it is used for the voltage change letter of lead transmission output
Number through treatment, to obtain encephalic relative pressure numerical value.Using this scheme have can implementation result it is good, it is workable, monitoring
The benefit of high precision.Also, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
As shown in figure 1, in another example, the pressure sensing mechanism is by room temperature vulcanized silicone rubber layer 5 and then seals
On supporting mechanism, it is one layer very thin by room temperature vulcanized silicone rubber layer, resilient medical room temperature vulcanized silicone rubber layer
(RTV), this protection materials are covered on sensor chip, and chip is fixed on support member, and the probe passes through epoxy
Glue 6 so will protection sleeve pipe encapsulation be fixed on probe in.It is used for the protection conduit outside lead and connecing that metal tube is popped one's head in
Tactile position is bonded, fixed.Using this scheme have can implementation result it is good, the strong benefit of stability.Also, it is this
Mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another example, the thickness of the room temperature vulcanized silicone rubber layer is arranged to 0.035mm-0.065mm scopes
It is interior.Use this scheme has more preferable accuracy of detection to ensure it, with can implementation result it is good, it is workable it is favourable it
Place.Also, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another example, the thickness of the room temperature vulcanized silicone rubber layer is arranged to 0.05mm.Using this scheme
Simply one of which preferred embodiment, to make it have the benefit of the monitoring accuracy of more excellent implementation result.Also,
This mode is a kind of explanation of preferred embodiments, but is not limited thereto.
In another example, the material of the probe is arranged to metal material.Being had using this scheme to implement
Effect is good, workable benefit.Also, this mode is a kind of explanation of preferred embodiments, but is not limited to
This.
In another example, the probe is arranged to be made of titanium alloy or stainless steel.Had using this scheme
Have can implementation result it is good, workable, the good benefit of durable performance.Also, this mode is a kind of preferred embodiments
Explanation, but be not limited thereto.
As shown in Fig. 1 or 3, in another example, the probe is made up of in the one end for stretching into encephalic epoxy glue to be had
One has curved portions 7.Medical epoxy glue using this scheme has some strength, and smooth hemisphere is formed with the front end in device
Shape, it is to avoid the scratch at tip, prevents it when encephalic is stretched into, damage of its end to intracerebral tissue, with can implementation result it is good,
It is workable, safety coefficient benefit high.Also, this mode is a kind of explanation of preferred embodiments, but not office
It is limited to this.
As shown in figure 3, in another example, the probe is provided with curved transition sections at the edge corner of notch
21.It is prevented when encephalic is stretched into using this scheme, the damage of the sharp place of its corner to intracerebral tissue, with effect can be implemented
It is really good, workable, safety coefficient benefit high.Also, this mode is a kind of explanation of preferred embodiments, but simultaneously
It is not limited to this.
Number of devices described herein and treatment scale are for simplifying explanation of the present utility model.To the utility model
Application, the modifications and variations of sensor for intracranial pressure monitoring be to one skilled in the art apparent
's.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and implementation method
Listed utilization.It can be applied to various suitable fields of the present utility model completely.For those skilled in the art,
It is easily achieved other modification.Therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (10)
1. it is a kind of for intracranial pressure monitoring sensor, it is characterised in that including：
Pressure sensing mechanism；
Probe；
It is used to accommodate the protection sleeve pipe of the pressure sensing mechanism lead, its one end is stretched into the probe, and the other end is extended to
With the connection end of external equipment；
Wherein, it is described protection sleeve pipe in be provided with a hollow tubing conductor, with by the hollow tubing conductor to the pressure sensing mechanism
Transmission atmospheric pressure, the pressure sensing mechanism obtains the pressure differential between intracranial pressure and atmospheric pressure, connects with by with it
The external equipment for connecing realizes the monitoring of intracranial pressure.
2. it is as claimed in claim 1 to be used for the sensor that intracranial pressure is monitored, it is characterised in that to offer one on the probe
The notch of the pressure sensing mechanism is accommodated, the probe is provided with the support pressure sensing on the madial wall just to notch
The support member of mechanism, to define a cavity between the pressure sensing mechanism and the madial wall of probe, and then to the pressure
Power sensing mechanism transmits external atmospheric pressure, carries out intracranial pressure monitoring；
The cross section of the support member is arranged to take the shape of the letter U, and the position that the support member is engaged with probe two side is set
There are curved portions, and the position contacted with probe bottom is provided with protuberance.
3. it is as claimed in claim 1 to be used for the sensor that intracranial pressure is monitored, it is characterised in that the pressure sensing mechanism bag
Include：
One pressure sensing chip；
Many leads, every one end of the lead is connected with each pin of the pressure sensing chip respectively, and the other end extends
Go out probe and be connected with external equipment, the intracranial pressure force value that will be received is exported to external equipment.
4. it is as claimed in claim 1 to be used for the sensor that intracranial pressure is monitored, it is characterised in that the pressure sensing mechanism leads to
Cross room temperature vulcanized silicone rubber layer and then be encapsulated on supporting mechanism, the probe encapsulates solid by epoxy glue and then by protection sleeve pipe
It is scheduled in probe.
5. it is as claimed in claim 4 to be used for the sensor that intracranial pressure is monitored, it is characterised in that the room temperature vulcanized silicone rubber
The thickness of layer is arranged in the range of 0.035mm-0.065mm.
6. it is as claimed in claim 4 to be used for the sensor that intracranial pressure is monitored, it is characterised in that the room temperature vulcanized silicone rubber
The thickness of layer is arranged to 0.05mm.
7. it is as claimed in claim 1 to be used for the sensor that intracranial pressure is monitored, it is characterised in that the material of the probe is set
It is set to metal material.
8. it is as claimed in claim 1 to be used for the sensor that intracranial pressure is monitored, it is characterised in that the probe is arranged to adopt
It is made of titanium alloy or stainless steel.
9. it is as claimed in claim 1 to be used for the sensor that intracranial pressure is monitored, it is characterised in that the probe is stretching into encephalic
One end by epoxy glue constitute have curved portions.
10. it is as claimed in claim 1 to be used for the sensor that intracranial pressure is monitored, it is characterised in that the probe is in notch
Curved transition sections are provided with edge corner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620810287.9U CN206197935U (en) | 2016-07-28 | 2016-07-28 | For the sensor of intracranial pressure monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620810287.9U CN206197935U (en) | 2016-07-28 | 2016-07-28 | For the sensor of intracranial pressure monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN206197935U true CN206197935U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620810287.9U Active CN206197935U (en) | 2016-07-28 | 2016-07-28 | For the sensor of intracranial pressure monitoring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184191A (en) * | 2017-06-29 | 2017-09-22 | 长飞光纤光缆股份有限公司 | A kind of miniature insertion type probe |
| CN107510509A (en) * | 2017-07-10 | 2017-12-26 | 北京万特福医疗器械有限公司 | A kind of microsensor encapsulating structure and its manufacture method |
| CN108937911A (en) * | 2018-08-31 | 2018-12-07 | 中国人民解放军陆军军医大学第附属医院 | A kind of sensor for intracranial pressure monitoring |
| CN110279409A (en) * | 2019-07-29 | 2019-09-27 | 成都拓蓝精创医学技术有限公司 | A kind of probe encapsulating structure of human pressure's measurement sensor |
| GB2601284A (en) * | 2020-04-24 | 2022-06-01 | Clinical Tech Limited | Device for measuring a pressure differential |
-
2016
- 2016-07-28 CN CN201620810287.9U patent/CN206197935U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184191A (en) * | 2017-06-29 | 2017-09-22 | 长飞光纤光缆股份有限公司 | A kind of miniature insertion type probe |
| CN107510509A (en) * | 2017-07-10 | 2017-12-26 | 北京万特福医疗器械有限公司 | A kind of microsensor encapsulating structure and its manufacture method |
| CN108937911A (en) * | 2018-08-31 | 2018-12-07 | 中国人民解放军陆军军医大学第附属医院 | A kind of sensor for intracranial pressure monitoring |
| CN110279409A (en) * | 2019-07-29 | 2019-09-27 | 成都拓蓝精创医学技术有限公司 | A kind of probe encapsulating structure of human pressure's measurement sensor |
| GB2601284A (en) * | 2020-04-24 | 2022-06-01 | Clinical Tech Limited | Device for measuring a pressure differential |
| GB2601284B (en) * | 2020-04-24 | 2024-04-24 | Clinical Tech Limited | Device for measuring a pressure differential |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: No. 312, 2-5/F, Building 1, No. 28, Siwangmiao Lane, East Section of Linyuan Road, Fucheng District, Mianyang, Sichuan Province, 621000 (cluster registration) Patentee after: Mianyang finali Technology Co.,Ltd. Address before: No. 871, Zone D, Incubation Building, Science and Technology Innovation Zone, Mianyang City, Sichuan Province, 621000 Patentee before: SICHUAN JINGWEI LINGYI TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |