CN109549640A - A kind of pulse wave pressure and blood pressure measurement pressure sensor - Google Patents
A kind of pulse wave pressure and blood pressure measurement pressure sensor Download PDFInfo
- Publication number
- CN109549640A CN109549640A CN201710893227.7A CN201710893227A CN109549640A CN 109549640 A CN109549640 A CN 109549640A CN 201710893227 A CN201710893227 A CN 201710893227A CN 109549640 A CN109549640 A CN 109549640A
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- China
- Prior art keywords
- pressure
- layer
- pulse wave
- array
- film substrate
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/02233—Occluders specially adapted therefor
- A61B5/02241—Occluders specially adapted therefor of small dimensions, e.g. adapted to fingers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
Abstract
The invention discloses a kind of pulse wave pressure and blood pressure measurement pressure sensors, including first assembly layer and the second component layer, first assembly layer includes the first flexible film substrate and array pressure drag circuit, array pressure drag circuit is set in the first flexible film substrate, array pressure drag circuit is multiple pressure sensitive units, and array pressure drag circuit forms a pressure sensing area；Second component layer includes the second flexible film substrate and inductive layer, and inductive layer is set in the second flexible film substrate；First assembly layer and opposite be superposed of the second component layer are integrated.The present invention forms a pressure sensing area using array pressure drag circuit, can any position in sensitive zones accurate measurement is carried out to pulse wave pressure, it is big with sensitive zones, precision is high, strong interference immunity, steady performance, suitable for human body pulse wave pressure signal acquisition and blood pressure measurement.
Description
Technical field
The invention belongs to pressure sensor technique fields, and in particular to a kind of pulse wave pressure and blood pressure measurement are passed with pressure
Sensor.
Background technique
Due to heart ceaselessly diastole and contraction, the blood in human body has just produced pressure change rule in arteries
The pulse wave of rule.Using appropriate pressure sensor, it can accurately measure pulse wave pressure and blood pressure is obtained by calculation
Value.
Pressure sensor has piezoelectric type, pressure resistance type, three kinds of condenser type, belongs to known skill using determination of pressure sensor pressure
Art.Pressure sensor is fixed on human body artery epidermis to the active force measured on pulse transit to sensor at present
There are many idea, but never more mature scheme.Study carefully the main reason is that: existing piezoelectric transducer volume is big, is not easy
Miniaturization；Existing piezoresistive transducer measurement accuracy is not high, stability is inadequate；Existing capacitance type sensor can only measure completely
Pulse wave pressure change process rather than absolute pressure value, are not impossible to calculate pulse by other real-time synchronization reference datas
Wave pressure or pressure value, and the accuracy of measurement result is unable to get effective control, measurement accuracy is not high.
For intelligence wearing and compact apparatus, a kind of small volume and the high pulse wave pressure and blood of measurement accuracy are needed
Press measurement pressure sensor.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of pulse wave pressure and blood pressure measurement pressure sensings
Device.
In order to achieve the above object, technical scheme is as follows:
The present invention provides a kind of pulse wave pressure and blood pressure measurement pressure sensor, comprising:
First assembly layer, including the first flexible film substrate and array pressure drag circuit, array pressure drag circuit are set to
In first flexible film substrate, array pressure drag circuit is multiple pressure sensitive units, and array pressure drag circuit forms a pressure
Sensitive zones, the area of pressure sensing area are (10-25) * (4-12) mm；
Second component layer, including the second flexible film substrate and inductive layer, inductive layer are set to the second flexible film substrate
On；
First assembly layer and opposite be superposed of the second component layer are integrated.
Preferably, array pressure drag circuit includes a public electrode and the sub- pole of multiple sensing units, each sub- pole of sensing unit
The distance between be 1.5-4mm.
Preferably, the conducting wire line width of public electrode and the sub- pole of sensing unit is 0.2-1.0mm, and each sub- pole of sensing unit is led
Line is distributed in a manner of oblique parallel arrangement or horizontally-parallel arrangement and the distance between each conducting wire is 0.05-1.0mm.
Preferably, the laying mode for constituting the pressure sensitive unit of pressure sensor is single 3-6 or multiple rows of 5-9 is a.
Preferably, first assembly layer and the integral thickness of the second component layer are 0.3-0.6mm.
Preferably, it is additionally provided with third component layer, third group valence layer is set between first assembly layer and the second component layer, the
Three component layers are what flexible conducting material was made.
Preferably, the integral thickness of first assembly layer, the second component layer and third component layer is 0.4-1mm.
Preferably, the conducting wire of array pressure drag circuit is what conductive metallic material was made, and inductive layer is semiconductor point
What son or nano material were made.
The invention has the following advantages:
(1) pressure sensing area is formed using array pressure drag circuit, can any position in sensitive zones to arteries and veins
Wave pressure of fighting carry out accurate measurement, have sensitive zones are big, precision is high, strong interference immunity, steady performance, be used for human body
Pulse wave pressure signal acquisition and blood pressure measurement；
(2) small in size, personal intelligence wearing health monitoring product and small desk intelligent medical can be made as or health is set
It is standby；
(3) increase third component layer, a sensitive surface of traditional piezoresistance sensor can be become two sensitive surfaces, it can be effective
The control to pressure drag electric current is promoted, the signal-to-noise ratio of pulse wave pressure and blood pressure measurement and stability are significantly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first layer assembly of first embodiment of the invention.
Fig. 2 is the partial enlargement structural representation of the array pressure drag circuit of first embodiment of the invention.
Fig. 3 is the overall structure diagram of second embodiment of the invention.
Fig. 4 is the structural side view of second embodiment of the invention.
Fig. 5 is the enlarged structure schematic diagram of A in Fig. 4 of the present invention.
Fig. 6 is the overall structure diagram of third embodiment of the invention.
Fig. 7 is the structural side view of the third embodiment of the invention.
Fig. 8 is the enlarged structure schematic diagram of B in Fig. 7 of the present invention.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, as shown in Figure 1 to Figure 2, provided in one of embodiment of the invention
A kind of pulse wave pressure and blood pressure measurement pressure sensor, comprising:
First assembly layer, including the first flexible film substrate 10 and array pressure drag circuit 20, array pressure drag circuit 20
It is set in the first flexible film substrate 10, array pressure drag circuit 20 is five pressure sensitive units, array pressure drag circuit
A pressure sensing area is formed, the area of pressure sensing area is (10-25) * (4-12) mm, and 10* may be selected in present embodiment
4mm, 20*10mm or 25*12mm are selected with specific reference to actual demand；
Second component layer 30, including the second flexible film substrate and inductive layer, inductive layer are set to the second fexible film base
On plate；
First assembly layer and opposite be superposed of the second component layer 30 are integrated.
Wherein, array pressure drag circuit 20 includes a public electrode 201 and the sub- pole 202 of multiple sensing units, and each sensing is single
The distance between sub- pole 202 of member is 1.5mm, 2mm or 4mm, and the conducting wire line width of public electrode 201 and the sub- pole 202 of sensing unit is
0.2mm, 0.5mm or 1.0mm, the conducting wire of each sub- pole 202 of sensing unit is in a manner of oblique parallel arrangement or horizontally-parallel arrangement
Distribution and the distance between each conducting wire are 0.05mm, 0.5mm or 1.0mm；
The laying mode for constituting the pressure sensitive unit of pressure sensor is single 3,5 or 6 distributions, or
Multiple rows of 5,8 or 9 bit interleaves, present embodiment are single 5.
Present embodiment forms a pressure sensing area using array pressure drag circuit, can any position in sensitive zones
Set to pulse wave pressure carry out accurate measurement, have sensitive zones are big, precision is high, strong interference immunity, steady performance, fit
The acquisition of pulse wave pressure signal and blood pressure measurement for human body.
As shown in Figures 3 to 5, in order to further optimize implementation result of the invention, implement in another kind of the invention
In mode, on the basis of foregoing teachings, present embodiment is two cell sensors, including first assembly layer and the second component layer
30, opposite be superposed of the two is integrated；First assembly layer and the integral thickness of the second component layer be 0.3mm, 0.5mm or
0.6mm is selected with specific reference to actual demand.
As shown in Figure 6 to 8, in order to further optimize implementation result of the invention, implement in another kind of the invention
In mode, on the basis of foregoing teachings, it is additionally provided with third component layer 40, third group valence layer is set to first assembly layer and second
Between component layer, the hardness and conductivity difference of first assembly layer, the second component layer 30 and third component layer 40 specifically can bases
Actual conditions selection.
Wherein, the integral thickness of first assembly layer, the second component layer 30 and third component layer 40 be 0.4mm, 0.8mm or
1mm；The conducting wire of array pressure drag circuit is what conductive metallic material was made, and inductive layer is semiconductor molecule or nano material
It is made, third component layer 40 is what flexible conducting material was made.
Using above-mentioned preferred embodiment, increases third component layer 40, a sensitive surface of traditional piezoresistance sensor can be become
At two sensitive surfaces, the control to pressure drag electric current can be effectively promoted, makes the signal-to-noise ratio and stabilization of pulse wave pressure and blood pressure measurement
Property significantly improves.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (8)
1. a kind of pulse wave pressure and blood pressure measurement pressure sensor characterized by comprising
First assembly layer, including the first flexible film substrate and array pressure drag circuit, array pressure drag circuit are set to first
In flexible film substrate, array pressure drag circuit is multiple pressure sensitive units, and array pressure drag circuit forms a pressure sensing
Region, the area of pressure sensing area are (10-25) * (4-12) mm；
Second component layer, including the second flexible film substrate and inductive layer, inductive layer are set in the second flexible film substrate；
First assembly layer and opposite be superposed of the second component layer are integrated.
2. pulse wave pressure according to claim 1 and blood pressure measurement pressure sensor, which is characterized in that array pressure
Resistance circuit includes a public electrode and the sub- pole of multiple sensing units, and the distance between each sub- pole of sensing unit is 1.5-4mm.
3. pulse wave pressure according to claim 2 and blood pressure measurement pressure sensor, which is characterized in that public electrode
Conducting wire line width with the sub- pole of sensing unit is 0.2-1.0mm, and the conducting wire of each sub- pole of sensing unit is with oblique parallel arrangement or laterally
Mode arranged in parallel is distributed and the distance between each conducting wire is 0.05-1.0mm.
4. pulse wave pressure according to claim 1 and blood pressure measurement pressure sensor, which is characterized in that constitute pressure
The laying mode of the pressure sensitive unit of sensor is single 3-6 or multiple rows of 5-9 is a.
5. pulse wave pressure according to claim 1 and blood pressure measurement pressure sensor, which is characterized in that first assembly
Layer and the integral thickness of the second component layer are 0.3-0.6mm.
6. pulse wave pressure according to claim 1 and blood pressure measurement pressure sensor, which is characterized in that be additionally provided with
Three component layers, third group valence layer are set between first assembly layer and the second component layer, and third component layer is flexible semiconductor material
What material was made.
7. pulse wave pressure according to claim 6 and blood pressure measurement pressure sensor, which is characterized in that first assembly
The integral thickness of layer, the second component layer and third component layer is 0.4-1mm.
8. pulse wave pressure according to claim 6 and blood pressure measurement pressure sensor, which is characterized in that array pressure
The conducting wire of resistance circuit is what conductive metallic material was made, and inductive layer is that semiconductor molecule or nano material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893227.7A CN109549640A (en) | 2017-09-27 | 2017-09-27 | A kind of pulse wave pressure and blood pressure measurement pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893227.7A CN109549640A (en) | 2017-09-27 | 2017-09-27 | A kind of pulse wave pressure and blood pressure measurement pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109549640A true CN109549640A (en) | 2019-04-02 |
Family
ID=65863557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710893227.7A Withdrawn CN109549640A (en) | 2017-09-27 | 2017-09-27 | A kind of pulse wave pressure and blood pressure measurement pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109549640A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104866134A (en) * | 2014-01-13 | 2015-08-26 | 苹果公司 | Temperature compensating transparent force sensor having a compliant layer |
| CN208081210U (en) * | 2017-09-27 | 2018-11-13 | 宋家骐 | A kind of pulse wave pressure and blood pressure measurement pressure sensor |
-
2017
- 2017-09-27 CN CN201710893227.7A patent/CN109549640A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104866134A (en) * | 2014-01-13 | 2015-08-26 | 苹果公司 | Temperature compensating transparent force sensor having a compliant layer |
| CN208081210U (en) * | 2017-09-27 | 2018-11-13 | 宋家骐 | A kind of pulse wave pressure and blood pressure measurement pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190704 Address after: Room 502, No. 41, Lane 80, Guoshun Road, Wujiaochang Town, Yangpu District, Shanghai Applicant after: Zheng Xin Address before: Room 401, No. 2, Lane 119, Guoshun Road, Yangpu District, Shanghai Applicant before: Song Jiaqi Applicant before: Zheng Xin Applicant before: Xu Shengjie |
|
| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190402 |
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| WW01 | Invention patent application withdrawn after publication |