CN101513365A - Buccal multi-bending spring space three-dimensional dynamometer - Google Patents
Buccal multi-bending spring space three-dimensional dynamometer Download PDFInfo
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- CN101513365A CN101513365A CNA2008100640159A CN200810064015A CN101513365A CN 101513365 A CN101513365 A CN 101513365A CN A2008100640159 A CNA2008100640159 A CN A2008100640159A CN 200810064015 A CN200810064015 A CN 200810064015A CN 101513365 A CN101513365 A CN 101513365A
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Abstract
The invention relates to a buccal multi-bending spring space three-dimensional dynamometer, which is applied to simulating a maxilla, a mandible and a temporomandibular joint, and predicting the push and pull force values generated on crossover points of the maxilla and the mandible when a correction patient wears multi-bending springs 28I and 28II to perform mouth opening and closing motions. The dynamometer has accurate measurement and can instruct the clinical allopathic wearing according to the following steps: (1) putting two terminal filaments of the 28I and the 28II into a 15I, a 15II and upper jaws 33I and 33II fastening the terminal filaments, and moving a bracket 43 leftwards and rightwards so as to measure the pulling-pressing stress values and the displacements of the 28I and the 28II to a full denture; (2) elongating the 28I and the 28II, fastening the same into holes of the 15I, the 15II, the 33I and the 33II, moving a 32I and a 32II to adjust the stress values to approach to 0, driving a 35, the 32I and the 32II to move rightwards, and measuring the maximum pressing stress value of the full denture of the upper jaw and the lower jaw when the 28I and the 28II are pressed to a mouth-closing state; and (3) measuring the stress values and the displacements of the 28I and the 28II along the scales of 5 degrees, 10 degrees and 15 degrees of a 8I and a 8II by the 15I and the 15II; and if a 21I and a 21II move around a center leftwards and rightwards (the 15I and the 15II are 3 millimeters away from the central displacement), repeating the steps (1) and (2) to measure acting forces and displacement values.
Description
Technical field
The present invention relates to mistake
Rescue in the process, the patient wears the buccal side multi-crooked spring removable appliance of usefulness in mouth, when lower jaw is done open and close mouth motor process, during the variation of different period space three-dimensional displacements, determines certain constantly in a flash, and how bent spring is got over the upper jaw
Point, lower jaw are more
Point can impose all that how bent spring draws, compressive stress, and it produces the force value size in oral cavity inner space displacement amount and spring, and it is unknowable that Changing Pattern is, and stress value also is difficult to measurement.The space three-dimensional dynamometer of being invented can solve this difficult problem, is with the how bent spring upper jaw in the oral cavity more
Point, lower jaw are more
On movement locus and space three-dimensional characteristics of motion analogue simulation to a dynamometer of point, realize directly accurately the bent spring index point of test at spatial displacement, spring static state, dynamic, power value size variation rule; Can also determine different size model size how bent spring payload power value and to the how bent spring prediction spring force value of unlike material spring wire preparation for doctor's clinical practice reference, (containing spring force) the power value of drawing, press when can be various little springs simultaneously and doing three-dimensional motion in the space is tested accurately.
Background technology
At present domestic and international mouth cavity orthodontic is to early stage III class mistake
When rescuing, adopt removable appliance to rescue, there is the maintenance defect of bad in these appliances more.
Professor Hou Lu invents up-to-date appliance in the recent period---buccal side multi-crooked spring appliance (patent No.: ZL2006 2 0021913.2), be that the 0.8-1.0mm stainless steel round wire bends size by all ages and classes with diameter earlier promptly, how bent spring diversified in specifications, make the buccal side multi-crooked spring removable appliance, after wearing appliance, lower jaw is opened, when remaining silent motion, buccal side multi-crooked spring must be to last in mouthful, the full denture of lower jaw produces active force, when the inhibition mandibular bone is grown forward, promote upper jaw bone to grow forward again, pass through a clinical period (3 months---about 1 year), can realize mistake to the patient
Finish the purpose of rescuing.One is according to patient's mistake
The order of severity and the difference at the age buccal side multi-crooked spring of selecting for use specification to vary in size, wearing with a measurement standard is before arranged, its two, when the material of how bent spring specification and spring wire changes, freshly prepd how bent spring can produce great force value again, its three, wear the inlet in after, the patient does in the open and close mouth motor process, how to go accurately to measure actual force value size, and be to do three-dimensional motion in the space, different displacements of different periods, the Changing Pattern of power value in 3 d space coordinate.The analogue simulation space three-dimensional dynamometer of invention can solve above-mentioned three difficult problems.
Summary of the invention
The invention of three dimensions dynamometer is just abnormal mistake
Rescue, the device of an analogue simulation space three-dimensional test force value is provided, accurately in the test patient mouth institute's buccal side multi-crooked spring appliance of wearing remain silent, open state (static, dynamic process), many bent its spring forces of spring act on the power value size of the bilateral upper jaw and lower jaw, in the time of accurately testing index point and do three-dimensional motion in the space, the different periods, the spring force value during different displacement, but the how bent spring of analogue simulation is got over
The kinestate of point in the oral cavity, the characteristics of motion, track characteristic.
This table apparatus has simple in structure, easy grasp, easy to operate, characteristic of accurate test.
Description of drawings:
1
I, 1
IIJawbone frame pedestal, 3
I, 3
IISimulation upper jaw skeleton, 4
I, 4
IIHorizontally rotate the index dial locating piece, 5
I, 5
IITrunnion axis (hinge axis), 6
I, 6
IIThe stage clip supporting plate, 7
I, 7
IIThe index dial detent, 8
I, 8
IIArc displacement index dial, 9, three-dimensional moving handle, 10
1, 10
2, 10
3, 10
4, 10
5, 10
6, 10
7, 10
8Holddown spring, 11
I, 11
IIThe holddown spring packing ring, 12
1, 12
2, 12
3, 12
4, 12
5, 12
6, 12
7, 12
8Clamp nut, 13
1, 13
2, 13
3, 13
4, 13
5, 13
6, 13
7, 13
8Spring washer, 15
I, 15
IIMany bent springs location pin hole, 16
I, 16
IIMany bent spring positioning needle clamp nuts, 17
1, 17
2, 17
3, 17
4, 17
5The index dial positioning needle, 18
I, 18
IIThe location clamp nut, 19
I, 19
IISimulation jawbone frame vertical rotation axis, 20
I, 20
IIThe vertical dimension adjustable ring, 21
I, 21
IISimulation lower jaw skeleton, 22
I, 22
IIThe two-ways regulation ring, 24, the synchronous shift plate, 25
I, 25
IIThe synchronous shift pitman shaft, 28
I, 28
IIMany bent spring test blocks, 29
I, 29
IISynchronous shift lever pedestal, 31 motors, 32
I, 32
IIUpper jaw reference test bar, 33
I, 33
IIUpper jaw reference test bar instrument connection, 34
I, 34
IIUpper jaw reference test bar clamp nut, 35 drive screws, 36
I, 36
IIPick off is located fastening screw, 37
I, 37
IIUpper jaw reference test bar maintenance piece, 38
I, 38
IIPick off, 39
I, 39
IIThe slide block of sensor bolt, 40
I, 40
IIThe bolted nut, 41
I, 41
IIThe bolt spring packing ring, 42 drive nuts, 43 sensor brackets, 47
I, 47
IISmall rack, 50
I, 50
2, 50
3, 50
4The tight same nut of guide post, 51
1, 51
2, 51
3, 51
4The guide post spring washer, 52 worm gears, 54 work platformses, 55
I, 55
IIThe slide block of sensor screw rod, 56
I, 56
IIThe slide block of sensor locating slot, 60 worm screws, 65
I, 65
IIThe small screw bearing block, 66
1, 66
2, 66
3, 66
4Small screw bearing block fastening screw, 67 small screws, 68 turn-knob dishes, 69 turn-knob alignment pins, 75
I, 75
IILower jaw skeleton positioning screw hole, 76
I, 76
IILower jaw skeleton positioning needle, 77
1, 77
2, 77
3, 77
4, 77
5, 77
6, 77
7, 77
8Index dial screw thread locating hole, 78, drive nut, 79
I, 79
IISupport, 80
1, 80
2, 80
3, 80
4The support trip bolt, 81
I, 81
II Guide post 82
I, 82
IIThe reference test bar clamp nut, 83
I, 83
IISpring washer, 84 oscillograph data wires, 85 manostat, 86 oscillographs, 87
I, 87
IISensor signal lines
Fig. 1 is the entire infrastructure schematic overview of the three-dimensional strength measurement instrument invented
Fig. 2 is the plan structure sketch map of Fig. 1
Fig. 3 is the structural representation of a side upper jaw skeleton
Fig. 4 is that the A of Fig. 3 is to view
Fig. 5 is the plan structure figure of Fig. 3
Fig. 6 is a side lower jaw skeleton structure diagram
Fig. 7 is the plan structure figure of Fig. 6
Fig. 8 is the synchronous shift composition that hardens
Fig. 9 is that the A-A of Fig. 8 cuts open to view
Figure 10 is the plan structure figure of Fig. 8
Figure 11 is grind one's teeth in sleep positioning needle and spring wire pore structure figure
Figure 12 is canine tooth spring wire pore structure figure
Figure 13 is a pick off 43
I, 43
IIDetent bracket
Figure 14 is Figure 13 ABCD cutaway view
Figure 15 is the plan structure figure of Figure 13
Figure 16 is an arc displacement index dial structure chart
Figure 17 is Figure 16 A-A revolved view
Figure 18 is the upper jaw bone locating piece
Figure 19 is the plan structure figure of Figure 18
Figure 20 is a slide block of sensor bolt structure chart
Figure 21 is that the A of Figure 20 is to view
Figure 22 is trunnion axis (hinge axis) structure chart
Figure 23 is that the A of Figure 22 is to vertical view
Figure 24 is a simulation jawbone frame vertical rotation axis structure chart
Apparatus of the present invention (seeing accompanying drawing 1,2,3,6,7,11,12,13,14,15,16,18,19) jawbone frame pedestal 1I、1
IIOn reference workbench 54 right sides, simulate jawbone frame vertical rotation axle 14 by the adjustment of height standard by two parallel center line orientation assembles againI、14
IIOn add vertical range adjustable ring 20I、20
II, again with two simulation upper jaw skeletons 3I、3
IISymmetrical fit on, and with the bidirectional modulation ring (different-thickness) 22 of adjusting condyle joint level intervalI、22
IIThe spacing size, its condyle joint, two ends horizontal rotating shaft (hinge axis) 5I、5
IIBe assemblied in respectively simulation upper jaw skeleton 3I、3
IITwo horizontal rotating shaft holes in, and load onto respectively simulation lower jaw skeleton 21 in two symmetrical sidesI、21
IIAdd holddown spring 101、10
2、
10
3、10
4、10
5、10
6、10
7、10
8, spring washer 131、13
2、13
3、13
4、13
5、13
6、13
7、13
8Reach with clamp nut 121、12
2、
12
3、12
4、12
5、12
6、12
7、12
8Compress simulation mandibular frame 21I、21
IICan be around horizontal rotating shaft 5I、5
IIRotation is at simulation lower jaw skeleton 21I、
21
IIThe other end lower jaw skeleton positioning screw hole 75 is arrangedI、75
IIIn with threaded lower jaw skeleton pilot pin 76I、IITurn round (on how bent spring location pin hole 15 is arrangedI、II, capable of regulating and canine tooth index point index dial pilot pin 171、17
2、17
3、17
4、17
5、17
6、17
7、17
8The relative displacement distance). Radian Displacement index dial 8I、IIBe assemblied in respectively simulation upper jaw skeleton 3I、IIIn the arc index dial detent 7 of one end, the location, and at arc displacement index dial 8I、IIOn four index dial screw thread locating holes 771、77
2、77
3、77
4、77
5、77
6、77
7、77
8In, turn round index dial pilot pin 171、
17
2、17
3、17
4、17
5、17
6、17
7、17
8(locate at 0 °, 5 °, 10 °, 15 ° respectively, the four hole hearts are distributed on the R curved line take O as the center of circle), small screw 67 1 ends are loaded onto turn-knob dish 68, and fastening with turn-knob alignment pin 69 location, horizontally rotate index dial locating piece 4 with twoI、
4
IIPress spacing dimension (condyle dash forward articulation center spacing) assembling, use again small screw bearing block 65I、65
II, fastening screw 661、66
2、66
3、66
4Be fastened on small rack 47I、47
IIBe assemblied on the platform 54 after upper.
In upper jaw reference test bar one side of workbench 54, successively assemble drive screw 35, drive nut 78 by coordinate, and with guide post 81I、81
IIAt support 79I、79
IIOn, with guide post clamp nut 501、50
2、50
3、50
4Guide post spring washer 511、51
2、51
3、51
4Fastening, as totally with support 79I、79
IIWith support trip bolt 801、80
2、80
3、80
4Be fastened on the workbench 54. On drive nut 78, biography is arranged Sensor carriage 43 and slide block of sensor locating slot 56I、56
II, earlier slide block of sensor screw rod 55 is torqued into the fastening screw 36 of sensor localizationI、36
IIIn, again with sensor 38I、38
IIAnd the fastening location between the sensor bracket 43 is with slide block of sensor bolt 39I、39
IIBolted nut 40I、40
IIBolt spring packing ring 41I、41
IIFastening location. With upper jaw reference test bar 32I、32
IILeft end reference test bar clamp nut 82I、82
IISpring washer 83I、83
IIBe fastened on sensor 38I、38
IIUpper jaw reference test bar retention plate 37I、37
IIOn. Reference test bar 32I、32
IIBent spring silk upper jaw reference test bar clamp nut 34 is arranged on the other endI、II, and the bent spring silk of end canine tooth upper jaw reference test bar instrument connection 33I、33
II How bent spring 28 with the need testI、
28
II(upper and lower jaw more at two ends
Point) the circle silk inserts respectively upper jaw reference test bar 32I、32
II Upper instrument connection 33I、33
IIIn and simulation lower jaw skeleton 21I、
21
IILocation pin hole 15I、15
IIIn, and use respectively clamp nut 34I、34
II、16
I、16
IIFastening; Sensor 38I、38
IIOutput line 87 connect the data wire 84 of voltage-stablizer 85 voltage-stablizer power lines 63 and oscillograph 86, connect the 220V power supply, and starting oscillograph 86 can survey Trial work is done.
The specific embodiment one:
The how bent spring of single test cheek side one side extends the compression displacement amount, correspondingly with it draws, the size of value of compressive stress.Shown in Figure of description 1,2,6,7,11,12,13,14,16,17, (going up lower jaw gets over the two ends of the how bent spring of a side of need tests
Point) the spring wire head inserts simulation lower jaw skeleton 21 respectively
IMany bent springs location pin hole 15
IIn and upper jaw reference test bar 32
IThe bent spring silk of canine tooth upper jaw reference test bar instrument connection 33
IIn, use how bent spring positioning needle clamp nut 16 respectively
IWith upper jaw reference test bar clamp nut 34
IFastening, 31 rotations of starter motor (up time or inverse time) drive through 52 uniform rotation of worm screw 60 worm gears, and screw rod 35 rotates and can drive screw thread 42 drive sensor brackets 43 along guide post 81
IIIA left side or the right side are at the uniform velocity mobile, finish upper jaw reference test bar 32
IA left side or right displacement (the bent spring silk of the canine tooth upper jaw reference test bar instrument connection 33 because index point
IThe place) tension or compressive stress are by pick off 38
IHolding wire 87
ICan write down stress value through amplification and oscillograph 86; The one, drive screw 35 turns clockwise, and drive nut 78 moves left, the how bent spring silk of canine tooth upper jaw reference test bar instrument connection 33
IOne end is pulled to the left side, by pick off 38
ICan measure spring displacement amount and tensile stress value curve (on oscillograph, can show) until the displacement that requires (bent spring is worn the size that should extend before the entrance cavity); Otherwise the how bent spring that will extend (giving stretched dimension by clinical requirement) distortion is installed in 15 by said procedure equally
1And 33
1Fastening in two silk holes, transfer again draw, value of compressive stress ≈ 0, be rotated counterclockwise drive nut and move to right, at this moment, how bent spring (spring) begins compression, how bent spring is compressed distortion (reducing size), this process is passed through pick off 38 at canine tooth hole one end equally
IOscillograph 86 is measured value of compressive stress and spring displacement quantitative change curve.Also can test the original spring mechanical characteristic of the spring wire of unlike material, size, specification.
The specific embodiment two:
The clinician rescues patient's mistake
Deformity is worn in mouth with before the buccal side multi-crooked spring removable appliance, and first analogue simulation buccal side multi-crooked spring both sides lower jaw more on buccal multi-bending spring space three-dimensional dynamometer
Point, in journey was made a slip of the tongue in switching, its movement locus (three dimensions) was got over the upper jaw
The Changing Pattern of some value of compressive stress (by maximum crushing stress to minimum compression or change into tension) but integrated forecasting to the active force of the full denture of last lower jaw, promptly simulate lower jaw and get over
Point (bilateral) is reduced to two buccal side multi-crooked springs and gets over up and down
Point is in spatial three-dimensional coordinate motion.
First kind: lower jaw more
Point (bilateral) begins from closure state that (lower jaw more to maximum open
The point relative displacement＜20mm), lower jaw more
The value of compressive stress Changing Pattern of point when trunnion axis moves.
At first, determine that its both sides upper jaw more by patient's work model
Point, lower jaw are more
Relative space position, size and the selected buccal side multi-crooked spring of wearing (specification) of point also is stretched to same sizing (mm).(seeing accompanying drawing 1,2,3,4,5,6,7,8,9,10,11,12,16,17,18,22,23) by embodiment one method, the drive screw 35 that turns clockwise earlier, the upper jaw that moves to left are more
Point inserts the hole 15 of grinding one's teeth in sleep, both sides respectively with spring wire
I, 15
IICanine tooth silk hole 33
I, 33
IIIn, use nut 16 respectively
I, 16
II, 34
I, 34
IINut is fastening, adjusts displacement, makes spring (bent spring) tension and compression stress ≈ 0, is rotated counterclockwise drive screw 35 again, and the upper jaw more
Point (silk hole) 33
I, 33
IIMove right to the position of setting (closure state), by pick off 38
I, 38
IISignal is a maximum through the value of compressive stress that oscillograph shows.The three-dimensional moving handle 9 bilateral lower jaws of manual synchronization more again
Point 15
I, 15
II(silk hole) is around trunnion axis 5
I, 5
IISynchronously along arc index dial 8
I, 8
IIOn 5 ° of scales, 10 °, 15 ° are moved, then the upper jaw more
Point 33
I, 33
IIValue of compressive stress is by pick off 38
I, 38
II, oscillograph 86 accurately measures the stress value (compressive stress is become minima or changed into tensile stress value by maximum) of each point, also can measure the displacement of continuous moving process--STRESS VARIATION function curve, like this with regard to the how bent spring of simulation test in the oral cavity on the full denture variation of force of lower jaw rule, on the contrary synchronously along 15 ° of arc index dials, 10 °, 5 ° of points move, and can test the Changing Pattern of inverse process.
Second kind: when lower jaw is got over
Skew (more about point occurred along horizontal plane
Point is relative to the left and right 3mm of moving) variation of stress (seeing accompanying drawing 1,12,18,19) during state.The basic test method is with first kind, and just lower jaw more
Point (silk hole) 15
I IIGet over the upper jaw
Point (silk hole) 33
I II, along the simulation mandibular condyle horizontally rotate that index dial locating piece 4 centrages turn left 5 ° (approximate 3mm displacements) or 5 ° of (the approximate 3mm displacement) states of turning right under, repeats first kind of testing procedure, record the both sides lower jaw respectively and get over
Point maximum crushing stress (remaining silent) minimum compression (opening) or tension are with the Changing Pattern of displacement.
The specific embodiment three:
Motor 31 can change stepless speed-change motor into, via the transmission of worm and gear speed change, finishes uniform motion again, finishes driving; Synchronous three-dimensional moving handle 9 synchronous shift plates 24 also can be used the stepless speed-change motor driving instead and finish the displacement stress test, other the same (seeing accompanying drawing 2,8,9,10).
Operation principle:
The space three-dimensional dynamometer of being invented is according to the just abnormal mistake of clinical patients
Rescue process, it is prominent for simple rotational motion (hinge movement) to look condyle, fricton-tight.The opening scope (hinge openings degree) that produced this moment is 18-20mm between upper and lower jaw incisor incisxal edge, lower jaw is the space three-dimensional motion, and the mandibular movement index point has the point of contact, and lower jaw more
The point, pogonion, its index point relative coordinate system displacement, consider that hinge is to overlap with the condyle axle, so study the lower jaw index point at track and fundamental figure when trunnion axis (hinge axis) moves, promptly at horizontal plane with the anatomy methods analyst, sagittal movement locus, be to consider both sides hinge axis substantial symmetry at this moment, simplify the point of contact movement locus, study the basis of invention for the applicant.The space three-dimensional dynamometer left part (seeing Fig. 1,2,12,13,14,15,20,21) of being invented, the bent spring silk of canine tooth hole 33
I, 33
II, be that to can be considered the eye tooth stiff end (be reference test bar 32
I, 32
IIOn instrument connection 33
I, 33
II), again can be when surveying spring force as shift end, the bent spring silk of mandibular first molar displacement calibration pointer location pin hole 15
I II, the one, can be considered the trace graphics of mandibular movement index point when trunnion axis (hinge axis) moves, just buccal side multi-crooked spring is worn in the oral cavity, opens and closes the journey of making a slip of the tongue, and lower jaw is more
Point is being done circular motion, index dial positioning needle 17 around trunnion axis 5
I, 17
IIRadius of turn just determine analog directional three-dimensional motion feature according to patient's age (through the jawbone size up) etc.; The 2nd, when measuring the spring force value, how bent spring location pin hole 15
I, 15
II, can be as fixing spring one end, can be in the optional position, space, when mobile other end pin hole 33
I, 33
II, can pass through pick off-oscillograph and measure spring tension and compression stress value.
Above-mentioned test can be static, also can be dynamic test.Finish test job simultaneously by above-mentioned, can again through Clinical Application research, sum up on the basis and set up mathematical model and mathematic(al) representation, finish Computer Numerical Simulation, carry out scientific research according to Changing Pattern, functional relationship, test data.
Claims (6)
1, driving worm screw variable-ratio (or infinitely variable speeds) incorgruous (just, being rotated counterclockwise) transmission---drive nut---sensor bracket is at the uniform velocity left and right moves; Drive nut and sensor bracket are same rigid body; Center, the pick off of two symmetrical measurements left side maintenance on the sensor bracket platform, be to be fastenedly connected with the slide block bolt, can carry out the level of synchronization displacement, adjusting in two center sensor symmetry spacings (being the prominent joint of condyle spacing dimension) pick off right side is that how bent screwed reference test bar is fastening with nut with location pin hole (inserting spring silk) in the heart, can be along two left and right displacements in guide post center.
2, have on the upper jaw skeleton vertically around axle (heart), horizontal rotating shaft (heart).The vertical rotation displacement is by horizontally rotating index dial locating piece control on the mandibular bone, index dial locating piece both sides all have with the vertical central to be the circular arc at center and to coincide and be slidingly matched with two circular arcs (also being the circular arc at center with the vertical central) on the lower jaw skeleton; The index dial locating piece by small screw regulate forward and backward mobile displacement (centre of location spacing---press bilateral and grind one's teeth in sleep more
The dot spacing sizing).
3, lower jaw skeleton one end can rotate around the horizontal rotating shaft center, other end lower jaw skeleton positioning screw hole center is exactly along moving on a certain radius arc line in horizontal rotating shaft center, the lower jaw skeleton positioning needle of the how bent spring of band location pin hole is turned round at the positioning screw hole center, pin hole moves doing circular arc equally, after how bent insertion spring one end spring wire be fastening with nut, silk end one more
Also can do the circular motion displacement around the trunnion axis center.
4, to do the circular arc displacement synchronously around horizontal axis be to adopt manual or electronic synchronous shift linkage at both sides (symmetry) lower jaw skeleton positioning screw hole center, synchronous shift bar two ends are become to be slidingly connected with two symmetrical lower jaw skeleton positioning screw hole one sides by sliding shaft, can move along circular arc, can realize again realizing the lower jaw sidesway along the rotation of index dial locating piece center left and right horizontal, the sidesway amplitude is no more than 3mm.
5, the adjusting (all ages and classes patient its spacing is variant) of simulation remporomandibular joint spacing.The one, two upper jaw reference test bar test position fix hole center distance of symmetry are by the slide block of sensor bolt, and along the centrosymmetry chute, scale moves forward and backward adjusting; Two symmetrical lower jaw skeletons are on hinge (level) axle, finish how bent spring location pin hole symmetry spacing dimension by variable-sized two-ways regulation ring; Two index dial locating piece centers---vertical rotation axis centrosymmetry spacing dimension is regulated by the small screw rotation; Height displacement is regulated and is regulated by vertical dimension adjustable ring (differing heights size).
6, be to do open and close mouth motor process with upper jaw bone and mandibular bone and lower jaw thereof in upper jaw bone frame and the lower jaw skeleton analogue simulation oral cavity in upper jaw skeleton and the lower jaw skeleton analogue simulation oral cavity, lower jaw is done the circular motion track around trunnion axis (hinge axis)---promptly (get over mandibular movement index point point of contact, lower jaw at horizontal plane, sagittal movement locus
Point, pogonion) its characteristics of motion all arranged; Positioning needle casement on the reference test bar that moves (by the electrical motor gearshift transmission) along horizontal center is intended getting over of eye tooth
The point; That grinds one's teeth in sleep under the lower jaw skeleton positioning needle hole of doing arcuate movement along trunnion axis (hinge axis) replaces gets over
The point; " canine tooth ", " grinding one's teeth in sleep " are more
Point (location pin hole) is fastenedly connected by how bent spring or both ends of the spring circle silk and is one; When moving along the center through the manual or electronic reference test bar of outside force or grinding one's teeth in sleep more that chalaza moves along circular arc, bent spring (spring) all can produce and draw, compressive stress has corresponding displacement simultaneously, draws when the force side connects, pressure sensor---signal amplifications---can be tested and draw by oscillograph, the function curve (value) of value of compressive stress F (mv) and time t (ms) is finished the test of space three-dimensional power value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100640159A CN101513365B (en) | 2008-02-20 | 2008-02-20 | Buccal multi-bending spring space three-dimensional dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100640159A CN101513365B (en) | 2008-02-20 | 2008-02-20 | Buccal multi-bending spring space three-dimensional dynamometer |
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| CN101513365A true CN101513365A (en) | 2009-08-26 |
| CN101513365B CN101513365B (en) | 2012-07-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183424A (en) * | 2011-03-11 | 2011-09-14 | 哈尔滨工程大学 | Jaw frame type bionic movement mechanism fatigue test device |
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| DE102004015383B4 (en) * | 2004-03-26 | 2006-04-13 | SAM Präzisionstechnik GmbH | Combination device for registration of lower jaw movements with respect to the skull on the one hand and for skull-like transmission of upper jaw models in an articulator on the other |
| CN2757766Y (en) * | 2004-11-30 | 2006-02-15 | 徐实谦 | Simulation analogue machine for friction between deform correcting bow wire and supporting groove |
| CN100350882C (en) * | 2004-11-30 | 2007-11-28 | 哈尔滨工业大学 | Simulator for friction force between denture groove and correction string |
| CN100348967C (en) * | 2005-01-27 | 2007-11-14 | 天津大学 | Two-dimensional freedom oral cavity material grinding repairing external analog testers |
-
2008
- 2008-02-20 CN CN2008100640159A patent/CN101513365B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183424A (en) * | 2011-03-11 | 2011-09-14 | 哈尔滨工程大学 | Jaw frame type bionic movement mechanism fatigue test device |
| CN102183424B (en) * | 2011-03-11 | 2012-09-26 | 哈尔滨工程大学 | Jaw frame type bionic movement mechanism fatigue test device |
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| CN101513365B (en) | 2012-07-25 |
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