CN104188673B - A kind of lingualis pressure transducer and facing model - Google Patents
A kind of lingualis pressure transducer and facing model Download PDFInfo
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- CN104188673B CN104188673B CN201410460824.7A CN201410460824A CN104188673B CN 104188673 B CN104188673 B CN 104188673B CN 201410460824 A CN201410460824 A CN 201410460824A CN 104188673 B CN104188673 B CN 104188673B
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- pressure transducer
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Abstract
The present invention relates to a kind of lingualis pressure transducer, the two ends of tabletting beam are respectively provided with piezoresistive strain sheet, stress pad it is provided with on piezoresistive strain sheet, stress pad is exerted a force by maxillary, stress pad drives the deformation of tabletting beam, the piezoresistive strain sheet stretching of one end, the piezoresistive strain sheet compression of the other end, and it is converted into analog voltage signal by Huygens's electric bridge.And a kind of facing model with lingualis pressure detecting, it is embedded with at least one lingualis pressure transducer.Lingualis pressure transducer of the present invention, uses piezoresistive principles, hinders foil gauge by the Zona transformans dynamic pressure of beam and deforms, and is converted into analog voltage signal by Huygens's electric bridge so that the microcomputers such as single-chip microcomputer read.Compared with prior art, compact size, simple to operate it is more suitable for Clinical practice.
Description
Technical field
The present invention relates to armarium, more particularly, it relates to a kind of lingualis pressure transducer, and one has lingualis pressure
The facing model of detection.
Background technology
Along with the aging of population, the quantity of cerebrovas-cularaccident (apoplexy) patient is increasing always, and cerebrovas-cularaccident is to cause
Dead and disabled global first cause.According to investigation, dysphagia is the complication that these patients are common, its ratio up to
37%-78%.Dysphagia often can cause the complication such as dehydration, malnutrition, aspiration pneumonitis, mental maladjustment, is to cause these
The key factor that life in patients declines, case fatality rate rises.Cerebrovas-cularaccident incidence rate depends on the time of clinical assessment and examines
Disconnected method, but above-mentioned phenomenon does not the most cause the enough understanding of clinician.Therefore, diagnosis, Scientific evaluation gulp down the most in time
Pharynx obstacle the treatment giving patient correct are most important.
Chinese patent CN 102366325A provides one to make air bag be accurately positioned pharyngeal, replaces catheter, it is to avoid Huan Zhe
Because repeatedly extracting the pharyngeal mucosa damage caused in therapeutic process, and also cricopharyngeus pressure can be measured in real time, thus carry out standard
The really Piezometry treatment instrument for dysphagia of dilation therapy.The pressure sensing devices volume that this instrument provides is relatively big, operation complexity,
Inconvenience is installed, needs professional to operate.
Chinese patent CN 102764129A provides a kind of according to modern human physiology, endoscopic diagnosis technology and hyundai electronics skill
Art, by clean air impulse stimulation throat's aryepiglottic fold or the room band of little pressure, observes air pulse in conjunction with video image dendoscope and causes
In the band of room, receipts situation carrys out the function of deglutition of quantitative assessment Nasopharyngeal Carcinoma Patients.The method, by merely look at assessing dysphagia, lacks
Clinical data is according to the most by rule of thumb, and operates complexity.
The dysphagia detection method that above-mentioned two patent applications provide is all because detection equipment volume is big, and it is inapplicable that operation is complicated etc.
It is widely used in clinical.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that one is applied to when detection is swallowed phase interaction between the upper jaw and the lower jaw
Firmly, in order to the diseases such as dysphagia can be made Scientific evaluation and the miniature pressure cell of diagnosis timely by doctor clinically,
And a kind of facing model with lingualis pressure detecting.
Technical scheme is as follows:
A kind of lingualis pressure transducer, the two ends of tabletting beam are respectively provided with piezoresistive strain sheet, piezoresistive strain sheet are provided with stress pad,
Stress pad is exerted a force by maxillary, and stress pad drives the deformation of tabletting beam, the piezoresistive strain sheet stretching of one end, the piezoresistive strain sheet of the other end
Compression, and it is converted into analog voltage signal by Huygens's electric bridge.
As preferably, tabletting beam includes annular girder, " Ji " type beam, and " Ji " type beam includes the curb girder that central sill and both sides are isometric, in
The length of beam is longer than curb girder, and central sill is connected with annular girder.
As preferably, piezoresistive strain sheet is respectively arranged with the two ends of central sill, when middle beam stress, and the piezoresistive strain sheet interval at two ends
The stress of center be zero, the Impact direction at the two ends that central sill arranges piezoresistive strain sheet is contrary.
As preferably, between stress pad and tabletting beam, be provided with bracing frame, the two ends of bracing frame respectively with two curb girder contacts,
It is curved with stress pad contact that support is positioned at the arch above central sill.
As preferably, bracing frame is vertical with central sill with the straight line at the place, position of contact side beam, and through the piezoresistive strain sheet at two ends
The center at interval.
As preferably, annular girder lower surface is provided with retaining washer, and the height of retaining washer is downward more than during " Ji " type beam stress
The stroke of movement.
As preferably, also including face shield, face shield is provided with opening in the position of stress pad, and opening arranges silicagel pad, silicagel pad with
Stress pad is fixing to be connected.
As preferably, external sheath waterproofing membrane, the signal of piezoresistive strain sheet is drawn by electronic wire, and is being drawn electronic wire
Position sealed by glue.
As preferably, diameter is not more than 10mm, and thickness is not more than 3mm, and range is 0-30KPa.
A kind of facing model with lingualis pressure detecting, is embedded with at least one lingualis pressure transducer.
Beneficial effects of the present invention is as follows:
Lingualis pressure transducer of the present invention, uses piezoresistive principles, hinders foil gauge by the Zona transformans dynamic pressure of beam and deforms, logical
Cross Huygens's electric bridge and be converted into analog voltage signal so that the microcomputers such as single-chip microcomputer read.Compared with prior art, compact size, behaviour
Simply it is more suitable for Clinical practice.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the present invention；
Fig. 2 is the cut-away view of the present invention；
Fig. 3 is the sectional view of the present invention；
Fig. 4 is the measuring circuit figure of the present invention；
In figure: 10 is silicagel pad, 11 is face shield, and 12 is tabletting beam, and 121 is annular girder, and 122 is " Ji " type beam, 1221
Being central sill, 1222 is curb girder, and 13 is stress pad, and 14 is bracing frame, and 15 is retaining washer, and R1, R2 are piezoresistive strain sheets.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, lingualis pressure transducer of the present invention includes: silicagel pad 10, face shield 11, pressure
Sheet beam 12, stress pad 13, bracing frame 14, retaining washer 15, piezoresistive strain sheet.
The two ends of tabletting beam 12 are respectively provided with piezoresistive strain sheet, and piezoresistive strain sheet is provided with stress pad 13, and maxillary is to stress pad
13 forces, stress pad 13 drives tabletting beam 12 to deform, the piezoresistive strain sheet stretching of one end, the piezoresistive strain sheet compression of the other end,
And it is converted into analog voltage signal by Huygens's electric bridge.Described piezoresistive strain sheet is as the sensitive stress of lingualis pressure transducer
Element includes that piezoresistive strain sheet R1, piezoresistive strain sheet R2 are constituted.When, after the effect of being under pressure, piezoresistive strain sheet R1 profile is drawn
Stretching, piezoresistive strain sheet R2 profile is compressed, and understands according to corresponding piezoresistive strain sheet principle, and R1 resistance increases, and R2 resistance reduces.
Described stress pad 13 uses stainless steel material to make, and is capable of withstanding corrosion non-corrosive in oral cavity, as lingualis pressure transducer
Stress surface.Calculate the pressure P=F/S, area S swallowed in oral cavity i.e. to take this area, and convert accordingly.
Tabletting beam 12 include annular girder 121, " Ji " type beam 122, " Ji " type beam 122 includes that central sill 1221 is isometric with both sides
Curb girder 1222, the length of central sill 1221 is longer than curb girder 1222, and central sill 1221 is connected with annular girder 121.Piezoresistive strain sheet divides
Not being provided with the two ends of central sill 1221, analyzed by finite element, when central sill 1221 stress, the pressure drag at two ends should
The stress of the center becoming sheet interval is zero or almost nil (stress is zero to be theoretical value, when reality is implemented, due to respectively
The restriction of the factor of kind, the structure of the present invention is capable of it close to zero.), central sill 1221 arranges the stress at the two ends of piezoresistive strain sheet
In opposite direction.The stress of the intermediate arm of this center is almost nil, and the Impact direction of its both sides is contrary.
Being provided with bracing frame 14 between stress pad 13 and tabletting beam 12, the two ends of bracing frame 14 are pushed up with two curb girders 1222 respectively
Supporting, it is curved with stress pad 13 contact that bracing frame 14 is positioned at the arch above central sill 1221.Bracing frame 14 contacts with curb girder 1222
The straight line at place, position is vertical with central sill 1221, and the center at the piezoresistive strain sheet interval through two ends.Described bracing frame
14 use stainless steel material to make, and are capable of withstanding corrosion non-corrosive, as active force in lingualis pressure transducer in stress in oral cavity
Transmission member between pad 13 and tabletting beam 12.
Annular girder 121 lower surface is provided with retaining washer 15, and the height of retaining washer 15 is more than " Ji " type beam 122 stress time
The stroke moved down.Described retaining washer 15 uses stainless steel material to make, and is capable of withstanding corrosion non-corrosive in oral cavity, makees
For a supporting piece of tabletting beam 12 in lingualis pressure transducer, it is possible to provide corresponding deformation space for tabletting beam 12.
Lingualis pressure transducer is provided with face shield 11, cladding tabletting beam 12, stress pad 13, bracing frame 14, retaining washer 15,
Piezoresistive strain sheet.Face shield 11 uses stainless steel material to make, and is capable of withstanding corrosion non-corrosive in oral cavity, as lingualis pressure sensing
The containment vessel of device, prevents sensor internal structure to be fully immersed among saliva.Face shield 11 is provided with out in the position of stress pad 13
Mouthful, opening arranges silicagel pad 10, silicagel pad 10 is fixing with stress pad 13 to be connected.Described silicagel pad 10 uses without poison ring
Guarantor's type silica gel material makes, as the contact surface of lingualis pressure transducer Yu maxillary, it is possible to sense from maxillary when swallowing lower jaw
Active force.
Described its shell sizes of lingualis pressure transducer is no more than diameter 10mm, no more than thickness 3mm, corresponding range
For 0-30KPa.In order to reach to be best suited for Clinical practice, controlling its a size of diameter and be less than 5mm, thickness is less than 2mm, or
Person's smaller szie.
Described lingualis pressure transducer has made, and the signal of piezoresistive strain sheet is drawn by electronic wire, and at lingualis pressure sensing
One layer of resistant to elevated temperatures waterproofing membrane of device external sheath, it can effectively prevent inside saliva intrusion sensor.And drawing electronics
The position of wire is sealed by the nontoxic glue of environment-friendly type thermostable.
The pressure measurement circuitry of described lingualis pressure transducer as described in Figure 4, uses classical Huygens's bridge circuit, and leads to
Cross special instrument amplifier to be amplified, finally obtain the analog voltage being easy to the microcomputer measurements such as single-chip microcomputer.
The manufacturing process of lingualis pressure transducer is as follows: first 2 piezoresistive strains sheet R1, R2 are pasted onto in tabletting beam 12
Beam 1221 two ends, and the two ends electronic wire of piezoresistive strain sheet is drawn；After drying bracing frame 14 is pasted onto tabletting beam 12
Two curb girders 1222 on；Silicagel pad 10 is pasted onto on stress pad 13；Dried stress pad 13 and silicagel pad 10 will be pasted
It is pasted onto on bracing frame 14；The parts being pasted together above are pasted onto on retaining washer 15 after the drying, finally by face shield
11 are pasted onto outermost layer.
After described lingualis pressure transducer is completed according to the method described above, with resistant to elevated temperatures waterproofing membrane (such as antistaling film)
It is packaged.The breach of waterproofing membrane is placed in electronic wire exit, uses glue to carry out last encapsulation process.
The present invention also provides for a kind of facing model with lingualis pressure detecting, and lingualis pressure sensor package is embedded in medical after completing
Resin inside make a facing model, the lingualis pressure transducer of encapsulation can be with one or more in facing model.Facing can
To facilitate patient to be fixed on intraoral tooth, the electronic wire of extraction is received on the detecting instrument of outside, as described in Figure 4
Testing circuit, the i.e. available lingualis force value surveyed, carry out data acquisition at microcomputers such as using single-chip microcomputer.
Above-described embodiment is intended merely to the present invention is described, and is not used as limitation of the invention.As long as the skill according to the present invention
Art essence, be changed above-described embodiment, modification etc. all will fall in the range of the claim of the present invention.
Claims (9)
1. a lingualis pressure transducer, it is characterised in that the two ends of tabletting beam are respectively provided with piezoresistive strain sheet, piezoresistive strain sheet
On be provided with stress pad, maxillary to stress pad exert a force, stress pad drive tabletting beam deformation, one end piezoresistive strain sheet stretching, separately
The piezoresistive strain sheet compression of one end, and it is converted into analog voltage signal by Huygens's electric bridge；Tabletting beam includes annular girder, " Ji "
Type beam, " Ji " type beam includes the curb girder that central sill and both sides are isometric, and the length of central sill is longer than curb girder, and central sill is connected with annular girder.
Lingualis pressure transducer the most according to claim 1, it is characterised in that piezoresistive strain sheet is respectively arranged at central sill
Two ends, when middle beam stress, the stress of the center at the piezoresistive strain sheet interval at two ends is zero, and central sill arranges piezoresistive strain sheet
The Impact direction at two ends contrary.
Lingualis pressure transducer the most according to claim 2, it is characterised in that be provided with between stress pad and tabletting beam and prop up
Support, the two ends of bracing frame respectively with two curb girder contacts, it is curved with stress pad contact that bracing frame is positioned at the arch above central sill.
Lingualis pressure transducer the most according to claim 3, it is characterised in that bracing frame and the place, position of contact side beam
Straight line vertical with central sill, and through two ends piezoresistive strain sheet interval center.
Lingualis pressure transducer the most according to claim 4, it is characterised in that annular girder lower surface is provided with retaining washer,
The stroke moved down when the height of retaining washer is more than " Ji " type beam stress.
Lingualis pressure transducer the most according to claim 5, it is characterised in that also include face shield, face shield is at stress pad
Position is provided with opening, and opening arranges silicagel pad, and silicagel pad is fixing with stress pad to be connected.
Lingualis pressure transducer the most according to claim 6, it is characterised in that the external sheath of lingualis pressure transducer is prevented
Water thin film, the signal of piezoresistive strain sheet is drawn by electronic wire, and is sealed by glue in the position drawing electronic wire.
Lingualis pressure transducer the most according to claim 1, it is characterised in that the housing diameter of lingualis pressure transducer is not
More than 10mm, thickness is not more than 3mm, and range is 0-30KPa.
9. a facing model with lingualis pressure detecting, it is characterised in that be embedded with at least one claim 1 to 8 times
One described lingualis pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460824.7A CN104188673B (en) | 2014-09-11 | 2014-09-11 | A kind of lingualis pressure transducer and facing model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460824.7A CN104188673B (en) | 2014-09-11 | 2014-09-11 | A kind of lingualis pressure transducer and facing model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104188673A CN104188673A (en) | 2014-12-10 |
| CN104188673B true CN104188673B (en) | 2016-08-17 |
Family
ID=52074180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460824.7A Active CN104188673B (en) | 2014-09-11 | 2014-09-11 | A kind of lingualis pressure transducer and facing model |
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| CN (1) | CN104188673B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107468358B (en) * | 2017-08-21 | 2021-04-16 | 四川大学 | System is rescued in flesh function training |
| CN109998573A (en) * | 2019-03-14 | 2019-07-12 | 广州龙之杰科技有限公司 | A kind of tongue pressure handle for aphetite disorder treatment |
| CN110037695A (en) * | 2019-05-22 | 2019-07-23 | 河南翔宇医疗设备股份有限公司 | A kind of swallowing training instrument |
| CN114797002B (en) * | 2022-04-12 | 2022-12-23 | 南京医科大学附属口腔医院 | Intelligent tongue muscle function training appliance and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159194Y (en) * | 1993-04-03 | 1994-03-23 | 中国人民武装警察部队总医院 | Computer diagnosis instrument for lip, tongue and gullet |
| CN102366325A (en) * | 2011-10-21 | 2012-03-07 | 南昌大学第一附属医院 | Dysphagia pressure measurement and treatment instrument |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3713595B2 (en) * | 1998-08-19 | 2005-11-09 | ニッタ株式会社 | Tongue pressure measurement system |
| JP3792159B2 (en) * | 2000-04-17 | 2006-07-05 | 誠 中尾 | Oral muscle pressure measuring device, oral muscle pressure measuring device adapter, and mouth muscle pressure measuring device mouthpiece |
| US8663131B2 (en) * | 2011-05-27 | 2014-03-04 | Ccb Research Group Llc | Tongue strength evaluation system and method |
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2014
- 2014-09-11 CN CN201410460824.7A patent/CN104188673B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159194Y (en) * | 1993-04-03 | 1994-03-23 | 中国人民武装警察部队总医院 | Computer diagnosis instrument for lip, tongue and gullet |
| CN102366325A (en) * | 2011-10-21 | 2012-03-07 | 南昌大学第一附属医院 | Dysphagia pressure measurement and treatment instrument |
Non-Patent Citations (1)
| Title |
|---|
| 乳牙期牙弓两侧肌肉压力微机测量系统的建立及其应用研究;阮文华;《中国优秀博硕士学位论文全文数据库（硕士）医药卫生科技辑（半年刊）》;20021215(第02期);第13-22页 * |
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| CN104188673A (en) | 2014-12-10 |
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