CN103680272A - Sensor device and method applied to simulating nervous reflex system - Google Patents
Sensor device and method applied to simulating nervous reflex system Download PDFInfo
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Abstract
The invention relates to the technical field of medical health teaching equipment, in particular to a touch pressure sensing device and method applied to a human body nervous reflex simulating system. The touch pressure sensing device comprises an upper electrode layer 2, an isolation layer 3, an electrode window 4, a lower electrode layer 5 and a rubber film layer 7, wherein the isolation layer 3 is arranged between the upper electrode layer 2 and the lower electrode layer 5, the electrode window 4 is arranged on the isolation layer 3, and the rubber film layer 7 is arranged at the bottom of the lower electrode layer 5. Compared with the prior art, the touch pressure sensing device and method applied to the human body nervous reflex simulating system have the advantages that the neuropathological symptoms of the human body are judged by collecting the touch or pressure information on simulating human body positions of an examinee and observing the motions of the fingers and toes; the touch pressure sensing device is simple in structure, thin and light in size and capable of being made into any plane geometry shapes, is provided with adhesive stickers, is convenient to install, has the characteristics of bending and deformation, truly simulates the human body neuropathological reflex examination positions, is low in cost and is convenient to produce in a batch mode.
Description
[technical field]
The present invention relates to health care teaching equipment technical field, specifically a kind of touch-pressure sensation sensing device and method for human nerve reflection simulation system.
[background technology]
Sense of touch refers to the sensation of the aspects such as temperature that the neurocyte that is distributed on whole skin accepts to come from the outside, humidity, pain, pressure, vibration, the antennal organ of most animals spreads all over whole body, as people's skin, be positioned at people's body surface, rely on the free nerve ending of epidermis can experience the polyesthesias such as temperature, the pain sensation, sense of touch.The sense of touch of narrow sense, refers to stimulate contact gently the caused dermal sensation of skin thigmoreceptor; The sense of touch of broad sense, also comprises that increasing pressure makes parts of skin be out of shape caused dermal sensation, and pressure sensation, is generally referred to as " touch-pressure sensation ".
Human nerve reflection can be divided into neural regular reflection and europathology reflection, neural regular reflection is called again physiological reflex, europathology reflection is that physiological is shallow, the unusual form of deep reflex, wherein majority belongs to original brain stem and spinal reflex, mainly the performance of pyramidal tract when impaired, therefore title pathologic reflex, occur that pathologic reflex is that central nervous system is impaired certainly, main pathologic reflex has following several clinically: babinski's sign (Babinski ' s sign), Gordon sign (Gordon ' s sign), Chaddock sign (Chaddock ' s sign), Oppenheim sign (Oppenheim ' s sign), Hoffmann sign (Hoffmann ' s sign), Xia Feizheng (Schaffer ' s sign), Gang Dazheng (Gonda ' s sign).
Human nerve reflection simulation system, refer to the means such as electronics, machinery, computing machine of utilizing modern science and technology, simulation realizes sense of touch, vision, the sense of taste, the sense of heat, humidity feel, pain feel, pressure feel, the seismesthesia that has nerve system of human body and have and stimulates impression, stimulate the analogue simulation system of the functions such as reflection, human nerve reflection simulation system is aspect modernization medical education, be extremely important, current both at home and abroad research institution, in this field still in the exploratory stage.The apparatus for demonstrating of one of domestic existing simulation human nerve regular reflection performance is as " demonstration device for knee jerk reflex ", but it is as a kind of independently teaching apparatus, not yet be integrated into one with Medical simulator, " touch-pressure sensation sensing device " is one of important devices realizing human nerve reflection simulation system, and practical product is difficult to see at present both at home and abroad.
About above-mentioned illness, briefly, be exactly finger or the special-purpose utensil that checks of employment, according to certain gimmick, press or slip over the specific position of human body, obtain the reflective condition that human body is corresponding, doctor is according to reflection state, determine human body these the nervous system diseases.According to traditional mentality of designing; realize the sensing of simulation human body touch pressure sensation; conventionally can adopt PCB circuit board that the mode of many group touching switches is installed; or on model, directly implant the form of common touching switch and line; such design has volume heaviness, inconvenient, poor reliability is installed, low with model body surface curve laminating degree, with clinical feel gap greatly, be difficult to realize people's body surface touch-pressure sensation analog simulation of complicated position, the shortcoming such as cost is large, failure rate is high.
Chinese Patent Application No. is that 201120054545.2 patent document discloses a kind of demonstration device for knee jerk reflex, comprise housing, the surface of housing is provided with demonstration hammer, demonstration leg and demonstration lamp, in housing, be provided with actuating unit, demonstration hammer and demonstration leg and actuating unit are in transmission connection, demonstration lamp is connected with demonstration lamp control device, jump the demonstration of reflection, but this patent is owing to being physical construction, can only control demonstration hammer by actuating unit, demonstration lamp, demonstration leg carries out the demonstration of neural reflex, this device volume is large on the one hand, trouble is installed, be difficult to realize people's body surface touch-pressure sensation analog simulation of complicated position, on the other hand, this patent can not be lively, the process of showing intuitively neural reflex.
[summary of the invention]
The object of the invention is to solve the detailed process of the performance neural reflex that in medical simulation simulation people europathology reflection teaching aid, analog neuron reflection can not be lively, vivid and adopt PCB circuit board that the technical matters of the mode analog neuron reflection more complicated of many group touching switches is installed, provide a kind of simple in structure, fidelity is high, can be made into plane geometric shape arbitrarily, be convenient to fit tightly on scraggly simulation human body, simulate really sensor device and the method for the analog neuron reflecting system of human nerve pathologic reflex inspection area.
To achieve these goals, invent a kind of touch-pressure sensation sensing device for human nerve reflection simulation system, comprise upper electrode layer 2, separation layer 3, electrode window through ray 4, lower electrode layer 5, adhesive film 7, between described upper electrode layer 2 and lower electrode layer 5, be provided with separation layer 3, separation layer 3 is provided with electrode window through ray 4, and lower electrode layer 5 bottoms are provided with adhesive film 7.
Described upper electrode layer 2 tops are provided with upper film layer 1, upper film layer 1 is made by the thick elastic insulating material of thickness 0.001-5mm, described lower electrode layer 5 bottoms are provided with lower thin layer 6, lower thin layer 6 bottoms are provided with adhesive film 7, lower thin layer 6 is made by the thick elastic insulating material of thickness 0.001-5mm, described upper electrode layer 2 be one independently large electrode or by much independently small electrode form, on electrode, be connected with top electrode lead-in wire 8, upper electrode layer 2 employing electrically conductive inks are directly printed onto on upper film layer 1 makes or adopts flexible conductive material to make separately, described lower electrode layer 5 be one independently large electrode or by much independently small electrode form, on electrode, be connected with bottom electrode lead-in wire 9, lower electrode layer 5 adopts electrically conductive ink to be directly printed onto on lower thin layer 6 and makes, or adopt flexible conductive material to make separately.
Described separation layer 3, between upper electrode layer 2 and lower electrode layer 5, guarantees that upper electrode layer 2 and lower electrode layer 5 keep insulation and the relative distance on electric, and separation layer 3 is to be made by the thick elastic insulating material of thickness 0.001-5mm.
Described electrode window through ray 4, for to open the engraved structure on separation layer 3, is pressure detection point, the space path of physical contact is provided to upper electrode layer 2 and lower electrode layer 5.
Described upper electrode layer 2 is provided with top electrode lead-in wire 8, lower electrode layer 5 is provided with bottom electrode lead-in wire 9, top electrode lead-in wire 8 is used for exporting sensing electric signal of the present invention, connect external processing apparatus, bottom electrode 9 output electrical signals that go between, top electrode lead-in wire 8 and bottom electrode lead-in wire 9 are respectively one or more, and top electrode lead-in wire 8 and the direct printed and formed technique of bottom electrode lead-in wire 9 use electrically conductive ink are made, or can adopt plain metal wire.
A method of work that reflects the touch-pressure sensation sensing device of simulation system for human nerve, method of work is as follows:
A. single-point pressure detection: as extraneous pressure N, while acting on the optional position point A point of upper film layer 1, to there is elastic deformation physically downwards in the upper film layer 1 that A is ordered and upper electrode layer 2 simultaneously, the A point of upper electrode layer 2, because downward deformation, by electrode window through ray 4 and lower electrode layer 5, physical contact occurs, form current lead-through point a, like this, electric current can go between and 8 to upper electrode layer 2 to current lead-through point a point to lower electrode layer 5 to bottom electrode, go between and 9 form current paths, the detection of complete paired pressure through top electrode;
B. multi-point contact feels that sensing resistor changes output mode: upper electrode layer 2 and lower electrode layer 5 all adopt conductive material to make, wherein the equivalent resistance between the first press points A on upper electrode layer 2 and the second press points B point is R1, equivalent resistance between the second press points B1 and the 3rd press points C1 point is R2, equivalent resistance between the first press points A on the lower electrode layer 5 of correspondence position and the second press points B point is R11, and the equivalent resistance between the second press points B and the 3rd press points C point is R22; When extraneous pressure N1 is when being pressed in the first press points A point of upper film layer 1: physics elastic deformation occurs the corresponding first press points A point of upper electrode layer 2 simultaneously, by the first electrode A window of electrode window through ray 4 and the first press points A point of lower electrode layer 5, contact, form current lead-through point a, electric current is through top electrode lead-in wire 8 to upper electrode layer 2 to a points 9 formation current paths that go betweens to lower electrode layer 5 to bottom electrode, the detection of complete paired pressure, now the resistance between top electrode lead-in wire 8 and bottom electrode lead-in wire 9 is R2+R1+R11+R22; When extraneous pressure N2 is when being pressed in the second press points B point of upper film layer 1, top electrode lead-in wire 8 is R2+R22 with the resistance that bottom electrode goes between between 9; When extraneous pressure N3 is when being pressed in the 3rd press points C point of upper film layer 1: top electrode lead-in wire 8 is 0 with the resistance that bottom electrode goes between between 9; If N1, N2, N3 is three pressure that move successively according to the time, can think the pressure sliding on thin layer 1.
Described multi-point contact feels that sensing resistor changes output mode and is also substitutable for multi-point contact and feels sensing matrix output mode, and upper electrode layer 2 adopts the good silver-colored thin slice of independent a slice electric conductivity to make, directly High Temperature High Pressure be bonded to upper film layer 1 below, lower electrode layer 5 adopts the independent small electrode sheet of multi-disc to form, small electrode sheet a1 wherein, b1, c1 is connected to one group of connecting lead wire VCC, meet power supply+5V, small electrode sheet a2, b2, c2 meets respectively lead-in wire av, bv, cv, when extraneous pressure N1 is when being pressed in the first press points A point of upper film layer 1: physics elastic deformation occurs the corresponding first press points A point of upper electrode layer 2 simultaneously, by the first electrode window through ray A window of electrode window through ray 4 and the first press points A point of lower electrode layer 5, contact, because the first press points A point of upper electrode layer 2 is good electric conductor silver, so will directly a1 be communicated with a2, electric current forms current path through pin VCC to small electrode a1 to small electrode a2 to the av that goes between, the detection of complete paired pressure, output+5V on av pin now, it is logic level 1, av, bv, cv is as parallel data bus line, corresponding av, bv, the pressure data logical value that cv output gathers is 1, 0, 0, when extraneous pressure N2 is when being pressed in the second press points B point of upper film layer 1: corresponding av, bv, the pressure data logical value that cv output gathers is 0,1,0, when extraneous pressure N3 by be pressed in upper film layer 1 the 3rd press points C point time corresponding av, bv, the pressure data logical value that cv output gathers is 0,0,1, if N1, N2, N3 is three pressure that move successively according to the time, can think the pressure sliding on thin layer 1.
A kind of application of the touch-pressure sensation sensing device for human nerve reflection simulation system, described touch-pressure sensation sensing device is applied to medical education model, levies, Gordon levies, Chaddock levies, Gonda levies, Hoffmann levies, Schaffer levies for simulating Babinski, Oppenheim.
It is specific as follows that described Babinski levies simulation people's the method for simulation: examiner with thumb along simulation people lateral border of sole, by pressing to little toe heel and inside turning to before backward, checkpoint is positioned at simulation position, people vola, along checking that movement locus is provided with 4 pressing detection points, the Position Number of check point is respectively A1, B1, C1, D1, A1 wherein, B1, C1 is positioned at lateral border of sole, the reference position that A1 is positioned at correct inspection movement locus is rear portion, vola, C1 is positioned at the anterior little toe heel in vola and checks that movement locus turns to inner side, B1 is positioned at A1, between C1, D1 is positioned at the end that medial plantar correctly checks movement locus, when micro controller detects, when reference position A1 has push action, start Babinski and levy the action record process that checks, micro controller is according to the change in electric of apparatus of the present invention output, timer in conjunction with micro controller inside, final data is wireless passes to computing machine, by Computer Analysis, complete whole Babinski and levy mould simulation demonstration and recording process.
It is specific as follows that described Oppenheim levies simulation people's the method for simulation: examiner with thumb and forefinger along the firmly sliding pressure from top to bottom of simulation people anterior border of tibia, checkpoint is positioned at simulation people tibia sites, at shin bone, each side there is a row pressure detection point, two row check point quantity are identical, symmetrical distribution, left column check point is position encoded being respectively by A5 from top to bottom, B5, C5, right row check point is the position encoded D5 that is respectively from top to bottom, E5, F5, (A5 wherein, D5) (B5, E5) (C5, F5) be symmetrical check point, when micro controller detects, when reference position check point A5 or D5 have push action, start Oppenheim and levy the action record process that checks, micro controller is according to the change in electric of device output, timer in conjunction with micro controller inside, final data is wireless passes to computing machine, by Computer Analysis, complete whole Oppenheim and levy simulation demonstration and recording process.
The present invention compared with the existing technology, its advantage is: by gathering examiner, simulating the touch on people's position or pressing information, and will send multimedia computer in this information, thereby by the europathology symptom that observation is pointed, toes activity determines human body; Simple in structure, fidelity is high, dependable performance, volume is thin light, can be made into plane geometric shape arbitrarily, carry pressure sensitive adhesive and be convenient to install, there is characteristic bent, distortion, be convenient to fit tightly on scraggly simulation human body, real simulation human nerve pathologic reflex inspection area, approaches clinical feel, can be widely used on modern medical teaching product or instrument, and with low cost, be convenient to produce in enormous quantities.
[accompanying drawing explanation]
Fig. 1 is the side sectional structure chart of single-point touch-pressure sensation sensing of the present invention;
Fig. 2 be single-point touch-pressure sensation sensing of the present invention by layer, launch successively floor map;
Fig. 3 be multi-point contact of the present invention feel that sensing resistor changes output mode by layer, launch successively floor map;
Fig. 4 be multi-point contact of the present invention feel sensing matrix output mode by layer, launch successively floor map;
Fig. 5 is that apparatus of the present invention are applied to simulate the Babinski(of foot Babinski sign) enforcement illustration;
Fig. 6 is that apparatus of the present invention are applied to simulate shank Oppenheim(Oppenheim sign) enforcement illustration;
As shown in the figure, in figure: 1. 6. times thin layers of separation layer 4. electrode window through ray 5. lower electrode layers, 7. adhesive film 8. top electrodes, 9. bottom electrodes lead-in wires that go between on upper film layer 2. upper electrode layer 3.;
Specify Fig. 1 as Figure of abstract of the present invention.
[embodiment]
Below in conjunction with accompanying drawing, the invention will be further described, and the structure of this device and principle are very clearly concerning this professional people.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to accompanying drawing 1, accompanying drawing 2, a kind of touch-pressure sensation sensing device for human nerve reflection simulation system, this device could be adhered on medical education model, levies, Gordon levies, Chaddock levies, Gonda levies, Hoffmann levies, Schaffer levies for simulating Babinski, Oppenheim.This device comprises upper electrode layer 2, separation layer 3, electrode window through ray 4, lower electrode layer 5, adhesive film 7, between upper electrode layer 2 and lower electrode layer 5, is provided with separation layer 3, and separation layer 3 is provided with electrode window through ray 4, and lower electrode layer 5 bottoms are provided with adhesive film 7.
Electrode window through ray 4, for to open the engraved structure on separation layer 3, is pressure detection point, the space path of physical contact is provided to upper electrode layer 2 and lower electrode layer 5.
The circuit working principle of single-point pressure detection is: as extraneous pressure N, while acting on the A point of upper film layer 1 of the present invention, to there is elastic deformation physically downwards in the upper film layer 1 that A is ordered and upper electrode layer 2 simultaneously, the A point of upper electrode layer 2, because downward deformation, by electrode window through ray 4 and lower electrode layer 5, physical contact occurs, form current lead-through point a, like this, electric current can form current paths, the measuring ability of complete paired pressure through top electrode 8 → upper electrode layer, 2 → a point → lower electrode layer, the 5 → bottom electrode lead-in wire 9 that goes between.
Except single-point type pressure detection, this device also has multi-point contact to feel that sensing resistor changes output mode, referring to Fig. 3, upper electrode layer 2 and lower electrode layer 5 all adopt conductive material to make, wherein the equivalent resistance between the first press points A on upper electrode layer 2 and the second press points B point is R1, equivalent resistance between the second press points B1 and the 3rd press points C1 point is R2, equivalent resistance between the first press points A on the lower electrode layer 5 of correspondence position and the second press points B point is R11, and the equivalent resistance between the second press points B and the 3rd press points C point is R22;
When extraneous pressure N1 is when being pressed in the first press points A point of upper film layer 1: physics elastic deformation occurs the corresponding first press points A point of upper electrode layer 2 simultaneously, by the first electrode A window of electrode window through ray 4 and the first press points A point of lower electrode layer 5, contact, form current lead-through point a, like this, electric current can form current paths through top electrode 8 → upper electrode layer, 2 → a point → lower electrode layer, the 5 → bottom electrode lead-in wire 9 that goes between, the detection of complete paired pressure, now the resistance between top electrode lead-in wire 8 and bottom electrode lead-in wire 9 is R2+R1+R11+R22;
When extraneous pressure N2 is when being pressed in the second press points B point of upper film layer 1, top electrode lead-in wire 8 is R2+R22 with the resistance that bottom electrode goes between between 9;
When extraneous pressure N3 is when being pressed in the 3rd press points C point of upper film layer 1: top electrode lead-in wire 8 is 0 with the resistance that bottom electrode goes between between 9;
If N1, N2, N3 is three pressure that move successively according to the time, can think the pressure sliding on thin layer 1, when top electrode lead-in wire 8 has been connected one " outside general electronic analysis circuit " with bottom electrode lead-in wire 9, according to the resistance changing, can transit out of the pressure trajectories information of variation, outside general electronic analysis circuit, generally can change analog quantity into corresponding numerical value with the single-chip microcomputer of the current popular A/D of the having translation function of a slice and realize.
Multi-point contact feels that it is multi-point contact feel sensing matrix output mode that sensing resistor changes output mode also replaceable, and referring to Fig. 4, wherein upper electrode layer 2 adopts the good silver-colored thin slice of independent a slice electric conductivity to make, directly High Temperature High Pressure be bonded to upper film layer 1 below, in lower electrode layer 5(dashed rectangle) adopt the independent small electrode sheet of multi-disc to form, small electrode sheet a1 wherein, b1, c1 is connected to one group of connecting lead wire VCC, meets power supply+5V, small electrode sheet a2, b2, c2 meets respectively lead-in wire av, bv, cv.
Multi-point contact feels that sensing resistor changes output mode and is also substitutable for multi-point contact and feels sensing matrix output mode, and upper electrode layer 2 adopts the good silver-colored thin slice of independent a slice electric conductivity to make, directly High Temperature High Pressure be bonded to upper film layer 1 below, lower electrode layer 5 adopts the independent small electrode sheet of multi-disc to form, small electrode sheet a1 wherein, b1, c1 is connected to one group of connecting lead wire VCC, meet power supply+5V, small electrode sheet a2, b2, c2 meets respectively lead-in wire av, bv, cv;
When extraneous pressure N1 is when being pressed in the first press points A point of upper film layer 1: physics elastic deformation occurs the corresponding first press points A point of upper electrode layer 2 simultaneously, by the first electrode window through ray A window of electrode window through ray 4 and the first press points A point of lower electrode layer 5, contact, because the first press points A point of upper electrode layer 2 is good electric conductor silver, so will directly a1 be communicated with a2, electric current forms current path through pin VCC → small electrode a1 → small electrode a2 → lead-in wire av, the detection of complete paired pressure, output+5V on av pin now, it is logic level 1, av, bv, cv is as parallel data bus line, corresponding av, bv, the pressure data logical value that cv output gathers is 1, 0, 0,
When extraneous pressure N2 is when being pressed in the second press points B point of upper film layer 1: corresponding av, bv, the pressure data logical value that cv output gathers is 0,1,0;
When extraneous pressure N3 by be pressed in upper film layer 1 the 3rd press points C point time corresponding av, bv, the pressure data logical value that cv output gathers is 0,0,1;
If N1, N2, N3 is three pressure that move successively according to the time, can think the pressure sliding on thin layer 1, the av of bottom electrode lead-in wire 9, bv, tri-lead-in wires of cv, data-out bus as pressure signal collection result, connected " outside general electronic logic analysis circuit ", according to the logical data changing, can transit out of the pressure trajectories information of variation, outside general electronic analysis circuit, generally can with the simple numerical operation of the current popular single-chip microcomputer utilization of a slice be converted realization.
The present invention is for medical education model vola simulation Babinski(Babinski sign), referring to Fig. 5, for levying simulation, Babinski implements schematic diagram, in figure: A is apparatus of the present invention (being pasted on vola), B is signal transmssion line, C is micro controller circuit board (containing wireless communication module), and the pressure data that final the present invention collects will, by C wireless transmission to computing machine, complete the simulation process of whole illness.
Babinski levies simulation people's analogy method: examiner uses thumb along simulation people lateral border of sole, by pressing to little toe heel and inside turning to before backward, apparatus of the present invention are positioned at simulation position, people vola, along checking that movement locus is provided with 4 pressing detection points, the Position Number of check point is respectively A1, B1, C1, D1, A1 wherein, B1, C1 is positioned at lateral border of sole, the reference position that A1 is positioned at correct inspection movement locus is rear portion, vola, C1 is positioned at the anterior little toe heel in vola and checks that movement locus turns to inner side, B1 is positioned at A1, between C1, D1 is positioned at the end that medial plantar correctly checks movement locus, when micro controller detects, when reference position A1 has push action, start Babinski and levy the action record process that checks, micro controller is according to the change in electric of apparatus of the present invention output, timer in conjunction with micro controller inside, final data is wireless passes to computing machine, by Computer Analysis, complete whole Babinski and levy mould simulation demonstration and recording process.
The present invention is for medical education model shank simulation Oppenheim(Oppenheim sign), referring to Fig. 6, for levying simulation, Oppenheim implements schematic diagram, in figure, A is apparatus of the present invention (being affixed on shin bone top), B is signal transmssion line, C is micro controller circuit board (containing wireless communication module), and the pressure data that final the present invention collects will, by C wireless transmission to computing machine, complete the simulation process of whole illness.
Oppenheim levies simulation people's analogy method: examiner uses thumb and forefinger along the firmly sliding pressure from top to bottom of simulation people anterior border of tibia, apparatus of the present invention are positioned at simulation people tibia sites, at shin bone, each side there is a row pressure detection point, two row check point quantity are identical, symmetrical distribution, left column check point is position encoded being respectively by A5 from top to bottom, B5, C5, right row check point is the position encoded D5 that is respectively from top to bottom, E5, F5, (A5 wherein, D5) (B5, E5) (C5, F5) be symmetrical check point, when micro controller detects, when reference position check point A5 or D5 have push action, start Oppenheim and levy the action record process that checks, micro controller is according to the change in electric of apparatus of the present invention output, timer in conjunction with micro controller inside, final data is wireless passes to computing machine, by Computer Analysis, complete a just Oppenheim and levy simulation demonstration and recording process.
Claims (10)
1. the touch-pressure sensation sensing device for human nerve reflection simulation system, comprise upper electrode layer (2), separation layer (3), electrode window through ray (4), lower electrode layer (5), adhesive film (7), it is characterized in that being provided with separation layer (3) between described upper electrode layer (2) and lower electrode layer (5), separation layer (3) is provided with electrode window through ray (4), and lower electrode layer (5) bottom is provided with adhesive film (7).
2. a kind of touch-pressure sensation sensing device for human nerve reflection simulation system as claimed in claim 1, it is characterized in that described upper electrode layer (2) top is provided with upper film layer (1), upper film layer (1) is made by the thick elastic insulating material of thickness 0.001-5mm, described lower electrode layer (5) bottom is provided with lower thin layer (6), lower thin layer (6) bottom is provided with adhesive film (7), lower thin layer (6) is made by the thick elastic insulating material of thickness 0.001-5mm, described upper electrode layer (2) be one independently large electrode or by much independently small electrode form, on electrode, be connected with top electrode lead-in wire (8), upper electrode layer (2) employing electrically conductive ink is directly printed onto on upper film layer (1) makes or adopts flexible conductive material to make separately, described lower electrode layer (5) be one independently large electrode or by much independently small electrode form, on electrode, be connected with bottom electrode lead-in wire (9), lower electrode layer (5) adopts electrically conductive ink to be directly printed onto on lower thin layer (6) and makes, or adopt flexible conductive material to make separately.
3. a kind of touch-pressure sensation sensing device for human nerve reflection simulation system as claimed in claim 1, it is characterized in that described separation layer (3) is positioned between upper electrode layer (2) and lower electrode layer (5), guarantee that upper electrode layer (2) and lower electrode layer (5) keep insulation and the relative distance on electric, separation layer (3) is to be made by the thick elastic insulating material of thickness 0.001-5mm.
4. a kind of touch-pressure sensation sensing device for human nerve reflection simulation system as claimed in claim 1, it is characterized in that described electrode window through ray (4) is for opening the engraved structure on separation layer (3), for pressure detection point, the space path of physical contact is provided to upper electrode layer (2) and lower electrode layer (5).
5. a kind of touch-pressure sensation sensing device for human nerve reflection simulation system as claimed in claim 1, it is characterized in that described upper electrode layer (2) is provided with top electrode lead-in wire (8), lower electrode layer (5) is provided with bottom electrode lead-in wire (9), top electrode lead-in wire (8) is used for exporting sensing electric signal of the present invention, connect external processing apparatus, bottom electrode lead-in wire (9) output electrical signals, top electrode lead-in wire (8) and bottom electrode lead-in wire (9) are respectively one or more, top electrode lead-in wire (8) and bottom electrode lead-in wire (9) are made by the direct printed and formed technique of electrically conductive ink, or can adopt plain metal wire.
6. a method of work for the touch-pressure sensation sensing device for human nerve reflection simulation system as claimed in claim 1, is characterized in that method of work is as follows:
A. single-point pressure detection: as extraneous pressure N, while acting on the optional position point A point of upper film layer (1), to there is elastic deformation physically downwards in the upper film layer (1) that A is ordered and upper electrode layer (2) simultaneously, the A point of upper electrode layer (2), because downward deformation, by electrode window through ray (4) and lower electrode layer (5), physical contact occurs, form current lead-through point a, like this, electric current can go between through top electrode (8) to upper electrode layer (2) to current lead-through point a point to lower electrode layer (5) to bottom electrode, go between (9) form current path, the detection of complete paired pressure,
B. multi-point contact feels that sensing resistor changes output mode: upper electrode layer (2) and lower electrode layer (5) all adopt conductive material to make, wherein the equivalent resistance between the first press points A on upper electrode layer (2) and the second press points B point is R1, equivalent resistance between the second press points B1 and the 3rd press points C1 point is R2, equivalent resistance between the first press points A on the lower electrode layer of correspondence position (5) and the second press points B point is R11, and the equivalent resistance between the second press points B and the 3rd press points C point is R22, when extraneous pressure N1 is when being pressed in the first press points A point of upper film layer (1): physics elastic deformation occurs the corresponding first press points A point of upper electrode layer (2) simultaneously, by the first electrode A window of electrode window through ray (4) and the first press points A point of lower electrode layer (5), contact, form current lead-through point a, electric current is through top electrode lead-in wire (8) (9) formation current path that go between to upper electrode layer (2) to a point to lower electrode layer (5) to bottom electrode, the detection of complete paired pressure, now the resistance between top electrode lead-in wire (8) and bottom electrode lead-in wire (9) is R2+R1+R11+R22, when extraneous pressure N2 is when being pressed in the second press points B point of upper film layer (1), top electrode lead-in wire (8) is R2+R22 with the resistance that bottom electrode goes between between (9), when extraneous pressure N3 is when being pressed in the 3rd press points C point of upper film layer (1): top electrode lead-in wire (8) is 0 with the resistance that bottom electrode goes between between (9), if N1, N2, N3 is three pressure that move successively according to the time, can think that one at the upper pressure sliding of thin layer (1).
7. the method for work of the touch-pressure sensation sensing device for human nerve reflection simulation system as claimed in claim 6, it is characterized in that described multi-point contact feel sensing resistor changes output mode and is also substitutable for multi-point contact feel sensing matrix output mode, upper electrode layer (2) adopts the silver-colored thin slice that independent a slice electric conductivity is good to make, directly High Temperature High Pressure be bonded to upper film layer (1) below, lower electrode layer (5) adopts the independent small electrode sheet of multi-disc to form, small electrode sheet a1 wherein, b1, c1 is connected to one group of connecting lead wire VCC, meet power supply+5V, small electrode sheet a2, b2, c2 meets respectively lead-in wire av, bv, cv, when extraneous pressure N1 is when being pressed in the first press points A point of upper film layer (1): physics elastic deformation occurs the corresponding first press points A point of upper electrode layer (2) simultaneously, by the first electrode window through ray A window of electrode window through ray (4) and the first press points A point of lower electrode layer (5), contact, because the first press points A point of upper electrode layer (2) is good electric conductor silver, so will directly a1 be communicated with a2, electric current forms current path through pin VCC to small electrode a1 to small electrode a2 to the av that goes between, the detection of complete paired pressure, output+5V on av pin now, it is logic level 1, av, bv, cv is as parallel data bus line, corresponding av, bv, the pressure data logical value that cv output gathers is 1, 0, 0, when extraneous pressure N2 is when being pressed in the second press points B point of upper film layer (1): corresponding av, bv, the pressure data logical value that cv output gathers is 0,1,0, when extraneous pressure N3 by be pressed in upper film layer (1) the 3rd press points C point time corresponding av, bv, the pressure data logical value that cv output gathers is 0,0,1, if N1, N2, N3 is three pressure that move successively according to the time, can think that one at the upper pressure sliding of thin layer (1).
8. the application for the touch-pressure sensation sensing device of human nerve reflection simulation system, it is characterized in that described touch-pressure sensation sensing device is applied to medical education model, for simulating Babinski, Oppenheim, levy, Gordon levies, Chaddock levies, Gonda levies, Hoffmann levies, Schaffer levies.
9. the application of a kind of touch-pressure sensation sensing device for human nerve reflection simulation system as claimed in claim 8, it is characterized in that described Babinski levies simulation people's the method for simulation specific as follows: examiner with thumb along simulation people lateral border of sole, by pressing to little toe heel and inside turning to before backward, checkpoint is positioned at simulation position, people vola, along checking that movement locus is provided with 4 pressing detection points, the Position Number of check point is respectively A1, B1, C1, D1, A1 wherein, B1, C1 is positioned at lateral border of sole, the reference position that A1 is positioned at correct inspection movement locus is rear portion, vola, C1 is positioned at the anterior little toe heel in vola and checks that movement locus turns to inner side, B1 is positioned at A1, between C1, D1 is positioned at the end that medial plantar correctly checks movement locus, when micro controller detects, when reference position A1 has push action, start Babinski and levy the action record process that checks, micro controller is according to the change in electric of apparatus of the present invention output, timer in conjunction with micro controller inside, final data is wireless passes to computing machine, by Computer Analysis, complete whole Babinski and levy mould simulation demonstration and recording process.
10. the application of a kind of touch-pressure sensation sensing device for human nerve reflection simulation system as claimed in claim 8, it is characterized in that described Oppenheim levies simulation people's the method for simulation specific as follows: examiner with thumb and forefinger along the firmly sliding pressure from top to bottom of simulation people anterior border of tibia, checkpoint is positioned at simulation people tibia sites, at shin bone, each side there is a row pressure detection point, two row check point quantity are identical, symmetrical distribution, left column check point is position encoded being respectively by A5 from top to bottom, B5, C5, right row check point is the position encoded D5 that is respectively from top to bottom, E5, F5, (A5 wherein, D5) (B5, E5) (C5, F5) be symmetrical check point, when micro controller detects, when reference position check point A5 or D5 have push action, start Oppenheim and levy the action record process that checks, micro controller is according to the change in electric of device output, timer in conjunction with micro controller inside, final data is wireless passes to computing machine, by Computer Analysis, complete whole Oppenheim and levy simulation demonstration and recording process.
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