CN103006346B - Spinal cord injury percussion apparatus - Google Patents
Spinal cord injury percussion apparatus Download PDFInfo
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- CN103006346B CN103006346B CN201210593040.2A CN201210593040A CN103006346B CN 103006346 B CN103006346 B CN 103006346B CN 201210593040 A CN201210593040 A CN 201210593040A CN 103006346 B CN103006346 B CN 103006346B
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- spinal cord
- motion platform
- line slideway
- percussion
- timing belt
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- 238000009527 percussion Methods 0.000 title claims abstract description 40
- 208000020431 spinal cord injury Diseases 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 210000000278 spinal cord Anatomy 0.000 claims abstract description 63
- 238000002474 experimental method Methods 0.000 claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 230000006378 damage Effects 0.000 claims abstract description 15
- 238000010171 animal model Methods 0.000 claims abstract description 9
- 241001465754 Metazoa Species 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 208000034656 Contusions Diseases 0.000 abstract description 5
- 230000009519 contusion Effects 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract 2
- 208000014674 injury Diseases 0.000 abstract 2
- 238000012512 characterization method Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 210000001951 dura mater Anatomy 0.000 description 3
- 230000002085 persistent effect Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 210000000011 invertebrate ventral nerve cord Anatomy 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The invention discloses a ventral spinal cord injury percussion apparatus, which can perform a percussion experiment on ventral spinal cord of an experimental animal object to cause corresponding degree of injury to ventral spinal cord. The apparatus comprises an XY motion platform, a Z adjustment mechanism, a spinal cord percussion mechanism and a connecting mechanism, wherein the XY motion platform is used for fixing the experimental animal object and adjusting the experimental object on the XOY plane; the spinal percussion mechanism is fixedly mounted on the Z adjustment mechanism, and used for performing a spinal cord percussion injury experiment; and the Z adjustment mechanism is fixed on a baseplate through the connecting mechanism, and used for fixing and adjusting the position of the spinal cord percussion mechanism. According to the device, a more scientific and accurate simulation result of the spinal cord injury experiment can be obtained by using a spinal cord injury model which adopts percussion strength, percussion displacement, percussion duration and spinal cord contusion area as characterizations, and using the curve relationship between position offsets and percussion strengths at every time in the course of a single percussion as an auxiliary illustration.
Description
Technical field
The present invention relates to animal medicine experimental provision field, especially a kind of spinal cord injury percussion device, for the ventral side of spinal cord of striking experiment animal to simulate front spinal cord injury.
Background technology
Traditional animal spinal cord damage striking experiment adopts weight to fall (Weight Dropping usually, WD) method clashes into spinal cord dorsal part, concrete grammar carries out vertebral plate posterior resection to the laboratory animal of anesthesia, expose but do not destroy spinal dura mater, then the weight block of a known quality is fallen from certain At The Height in the mode of freely falling body, impinge upon on the exposed spinal dura mater of animal spinal column dorsal part, cause the damage to a certain degree of dorsal part spinal cord.Because weight-drop has acceleration, but do not tear spinal dura mater, do not cut spinal cord, thus belong to dynamic load contusion type.Damage model weight quality, the height of fall and contusion of spinal cord area characterize.
The damage location that above-mentioned experimental technique causes is spinal cord dorsal part, but the Patients of Spinal majority caused due to reasons such as traffic accidents in daily life is that veutro is impaired, and weight method of falling can not well be simulated this situation.Not enough in order to make up this, the experimental provision of the present invention's design can clash into ventral side of spinal cord, cause ventral cord damage to a certain degree, damage model is characterized by shock dynamics, shock displacement, shock persistent period and contusion of spinal cord area, and make aid illustration with the curve linear relationship of the skew of the position in each moment in a knockout process and the dynamics of shock, thus obtain more science and accurate spinal cord injury simulation experiment result.
Summary of the invention
The object of this invention is to provide a kind of animal spinal cord veutro damage medical experiment device, make this device can automatic mobile experimental subject to quasi experiment knocking gear, simulate ventral side of spinal cord damage striking experiment afterwards and obtain experimental data, the present invention can improve science and the accuracy of animal spinal cord injury experiment effectively.
In order to achieve the above object, technical solution of the present invention is to provide a kind of spinal cord injury percussion device, and this device comprises: XY motion platform 1, Z adjustment mechanism 2, spinal cord percussion mechanism 3 and bindiny mechanism 4, wherein:
Described XY motion platform 1 for fixing laboratory animal object, and regulates at the enterprising line position of XOY plane experimental subject, and it comprises: X motion platform 21, Y motion platform 22, base plate 9, top maneuvering board 5, brassboard base plate 6 and brassboard 7; Described Y motion platform 22 is installed on described base plate 9; Vertical with described Y motion platform 22 on the slide block that described X motion platform 21 is installed on described Y motion platform 22 line slideway; Described top maneuvering board 5 is installed on the slide block of described X motion platform 21 line slideway; Described brassboard base plate 6 is installed on described top maneuvering board 5; Described brassboard 7 is embedded on described brassboard base plate 6, and is fixed together, for fixing laboratory animal with described brassboard base plate 6;
Described spinal cord percussion mechanism 3 is fixedly installed in described Z adjustment mechanism 2, for carrying out the experiment of spinal cord impact damage;
Described Z adjustment mechanism 2 is fixed on described base plate 9 by bindiny mechanism 4, for fixing and regulate the position of described spinal cord percussion mechanism 3.
Apparatus of the present invention utilize direct acting release electric magnet to carry out simulating impact experiment, utilize the maximum shock displacement of micrometer head mechanism sets, and carry out real-time experiments of measuring data by micro-force sensor, linear displacement transducer, make spinal cord injury realize quantification treatment.Spinal cord injury model is characterized by shock dynamics, shock displacement, shock persistent period and contusion of spinal cord area, and make aid illustration with the curve linear relationship of the skew of the position in each moment in a knockout process and the dynamics of shock, thus obtain more science and accurate spinal cord injury simulation experiment result.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 a and Fig. 2 b is the structural representation of XY motion platform of the present invention;
Fig. 3 is the structural representation of Z adjustment mechanism of the present invention;
Fig. 4 is the structural representation of spinal cord percussion mechanism of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the structural representation of the spinal cord injury percussion device that the present invention proposes, and as shown in Figure 1, described spinal cord injury percussion device comprises: XY motion platform 1, Z adjustment mechanism 2, spinal cord percussion mechanism 3 and bindiny mechanism 4, wherein:
Described XY motion platform 1 is for fixing laboratory animal object, and under acquiescence cartesian coordinate system, experimental subject is regulated at the enterprising line position of XOY plane, it comprises: X motion platform 21, Y motion platform 22, base plate 9, top maneuvering board 5, brassboard base plate 6 and brassboard 7, as shown in Figure 2 a and 2 b;
The structure of described X/Y two motion platforms is identical.For X motion platform, it comprises direct-drive motor and decelerator 10, motor cabinet 11, Timing Belt 12, synchronous pulley 13, Timing Belt clamp system 14, bearing block 15, Timing Belt backstand 16, line slideway 17, guide rail catch 18, maneuvering board 19, limit switch fixed mechanism 20 respectively, wherein:
Described motor cabinet 11 is installed in one end of described maneuvering board 19;
Described direct-drive motor and decelerator 10 are fixed as one and are installed on described motor cabinet 11, and the output shaft of decelerator passes the interstitial hole of motor cabinet 11;
The drivewheel of described synchronous pulley 13 is installed in the end of reducer output shaft, and the driven pulley of synchronous pulley 13 is installed on described bearing block 15 by bearing;
The two ends of described Timing Belt 12 are engaged with the gear teeth of synchronous pulley 13 drivewheel and driven pulley respectively;
Timing Belt clamp system 14 one end and Timing Belt 12 are closely engaged and are fixed together, and the other end is then connected (as by screw) mutually with the slide of line slideway 17;
There is convex key (such as square convex key) described bearing block 15 both sides, be embedded in the groove of Timing Belt backstand 16, described Timing Belt backstand 16 side opposing with this groove is provided with multiple screwed hole (such as three), bearing block 15 and described Timing Belt backstand 16 to be linked together by corresponding screw rod, and regulate the position of described bearing block 15 with the elasticity of control synchronization band by screw rod;
Described line slideway 17 is parallel with described Timing Belt 12 to be installed on described maneuvering board 19, and two ends of described line slideway 17 are separately installed with guide rail catch 18, are separated with line slideway to prevent straight-line guide rail slide block;
Described limit switch fixed mechanism 20 is installed on described maneuvering board 19, and lay respectively at the two ends of described line slideway 17, limit switch to be then installed on described limit switch fixed mechanism 20 and can to carry out position adjustment, for the processing of elimination motion platform and alignment error.
Described Y motion platform 22 is installed on described base plate 9, and parallel with the side of described base plate 9 groove with handles;
Vertical with described Y motion platform 22 on the slide block that described X motion platform 21 is installed on described Y motion platform 22 line slideway;
Described top maneuvering board 5 is installed on the slide block of described X motion platform 21 line slideway;
The Timing Belt of described Y motion platform 22 is fixed together (as by screw) by the maneuvering board 19 of its Timing Belt clamp system and described X motion platform 21 simultaneously, thus the Timing Belt of described Y motion platform 22 can drive described X motion platform 21 to move along respective straight guide rail; The Timing Belt of described X motion platform 21 is then fixed together (as by screw) with the bottom of described top maneuvering board 5 by its Timing Belt clamp system 14, thus the Timing Belt of described X motion platform 21 can drive described top maneuvering board 5 to move along corresponding line slideway;
Described brassboard base plate 6 is installed on described top maneuvering board 5;
Described brassboard 7 is embedded on described brassboard base plate 6, and screwed hole is left in the corner of described brassboard 7, to be fixed together, for fixing laboratory animal with described brassboard base plate 6 by described brassboard 7 by screw rod;
Described spinal cord percussion mechanism 3 is fixedly installed in described Z adjustment mechanism 2 (as by bolt), for carrying out the experiment of spinal cord impact damage, realize spinal cord impact damage, spinal cord maximum impact damage degree arrange and spacing, clash into displacement with clash into strength measure in real time, obtain science and accurate spinal cord injury simulation experiment result.Described Z adjustment mechanism 2 is fixed on described base plate 9 by bindiny mechanism 4, make it to fix with the relative position of XY motion platform 1, described Z adjustment mechanism 2 is for fixing and regulate the position of described spinal cord percussion mechanism 3, and particularly fixing and adjustment experiment spinal cord hooks sheet and spinal cord tabletting end position in z-direction.
Fig. 3 is the structural representation of Z adjustment mechanism of the present invention, as shown in Figure 3, described Z adjustment mechanism 2 comprises: direct-drive motor and decelerator 33, Z motor cabinet 34, gear 32, tooth bar 35, tooth bar fixture 36, line slideway 31, Z track base 39, Z track base backing plate 38, two Z axis angle bar part 37, two limit switch fixed mechanisms 40 and shell 41, wherein:
Described direct-drive motor and decelerator 33 are installed on described Z motor cabinet 34, and its reducer output shaft and described gear 32 are connected;
Described Z motor cabinet 34 is installed in the bindiny mechanism 4 shown in Fig. 1;
Described Z track base 39 is vertically installed on described Z motor cabinet 34, and described line slideway 31 is installed in the medial launder of described Z track base 39;
Described tooth bar fixture 36 is installed on the slide block of described line slideway 31, and described spinal cord percussion mechanism 3 is also fixed on the slide block of described line slideway 31 by four bolts through described tooth bar fixture 36;
Described tooth bar 35 is installed on a side of described tooth bar fixture 36 by the screwed hole at its two ends, and meshes together with described gear 32;
The described tooth bar 35 that is rotated through of described gear 32 drives the slide block of described line slideway 31 to move up and down, and then the position adjustments driving described spinal cord percussion mechanism 3 to carry out in Z-direction;
Described two Z axis angle bar parts 37 are installed on the two ends of described Z track base 39 respectively, it have respectively four screwed holes, for being fixedly mounted with described shell 41;
Described Z track base backing plate 38 is installed on the two ends of described Z track base 39, skids off for preventing linear guide slide seat;
Described two limit switch fixed mechanisms 40 are arranged on described two Z axis angle bar parts 37 respectively, lay respectively at the two ends up and down of described line slideway 31, limit switch is then installed on corresponding limit switch fixed mechanism 40 respectively, and its position-adjustable is to eliminate processing and alignment error;
Described shell 41 is installed on described Z motor cabinet 34.
Fig. 4 is the structural representation of spinal cord percussion mechanism 3 of the present invention, as shown in Figure 4, described spinal cord percussion mechanism 3 comprises: knocking gear fixing head 50, direct acting releases electric magnet 64, electric magnet holder 65, micrometer head 71, micrometer head holder 70, spacing holding screw 68, displacement transducer 69, miniature line slideway 59, micro-force sensor 57, force transducer seat 56, banking stop 66, spacing pole socket 53, gag lever post 51, gag lever post tightening piece 52, gag lever post fixture 54, limit spring 67, Z axis Connection Block 55, experiment slide rail 63, experiment slide bar 58, spinal cord tabletting 61, spinal cord hooks sheet 60, holding screw 62, wherein:
Certain interval is kept with described Z adjustment mechanism 2 in order to make described spinal cord percussion mechanism 3, described knocking gear fixing head 50 with four bolts through the described Z axis Connection Block 55 be positioned on rear side of described knocking gear fixing head 50, and the described tooth bar fixture 36 of described Z adjustment mechanism 2, be finally fixed on the slide block of the line slideway 31 of described Z adjustment mechanism 2;
Described direct acting is released electric magnet 64 and is installed in described knocking gear fixing head 50 lower left side by described electric magnet holder 65, and its upper end contacts with the lower end of described banking stop 66 just;
Described miniature line slideway 59 is installed on the lower right side of described knocking gear fixing head 50, it is provided with two miniature linear slider, the linear slider of upside is provided with described force transducer seat 56, the linear slider of downside is provided with described experiment slide bar 58;
The lower end of described force transducer seat 56, be provided with described micro-force sensor 57 between described force transducer seat 56 and described experiment slide bar 58, the upper end of described force transducer seat 56 is provided with banking stop 66;
Institute's displacement sensors 69 is installed in described knocking gear fixing head 50 upper left side, is positioned at described direct acting and releases electric magnet 64 upper end, and described banking stop 66 is fixed together with the sliding bar of institute's displacement sensors 69;
Described spacing pole socket 53 is installed in the upper right side of described knocking gear fixing head 50, and described gag lever post 51 is embedded in the chute of described spacing pole socket 53;
Described gag lever post tightening piece 52, gag lever post fixture 54 are installed on the two ends up and down of described spacing pole socket 53 respectively;
One end of described limit spring 67 is fixed in described gag lever post tightening piece 52, the other end is fixed on described gag lever post 51, resets for controlling gag lever post 53;
Described spacing holding screw 68 is installed in the screwed hole of described gag lever post tightening piece 52;
Described micrometer head 71 is installed on the top, upper right side of described knocking gear fixing head 50 by described micrometer head holder 70;
Described experiment slide rail 63 is installed in the lower central of described knocking gear fixing head 50;
Described spinal cord tabletting 61 is arranged on a side of described experiment slide rail 63 by described holding screw 62;
Described spinal cord hooks sheet 60 and is installed on described experiment slide bar 58 by described holding screw 62, and its position-adjustable is to eliminate alignment error.
Described bindiny mechanism 4 comprises carrier base 8 and support 72, as shown in Fig. 2 (b).Wherein, described carrier base 8 is installed in the rear end of described base plate 9, adjacent with described X, Y motion platform; Described support 72 is installed on described carrier base 8, and the Z motor cabinet 34 of described Z adjustment mechanism 3 is installed in the end trough on the upside of described support 72, thus described Z adjustment mechanism 3 and described spinal cord percussion mechanism 2 is fixed on described support 72.
The specific works process of spinal cord injury percussion device of the present invention is: when direct acting release electric magnet 64 is energized, its output shaft is upwards released fast, promotes banking stop 66, then drives the force transducer seat 56 be connected with line slideway upper slider; Because the hook bar of the experiment slide bar 58 be connected with line slideway lower slider contacts with the micro-force sensor 57 that force transducer seat 56 is installed, thus test slide bar 58 and also follow upward sliding in experiment slide rail 63, and then the spinal cord making experiment slide rail 63 lower end install hooks sheet 60 fast upward motion, the veutro being positioned over the experimental subject (animal spinal cord) that spinal cord tabletting 61 and spinal cord hook between sheet 60 is formed and clashes into, and spinal cord can be obtained by the signal reading micro-force sensor 57 and clash into data; When clashing into generation, banking stop 66 is upwards mobile until contact with gag lever post 53 fast, the maximum moving displacement of banking stop 66 is determined by the lower end position of gag lever post 53, and by regulating the upper-lower position of micrometer head 71 adjustable limit bar 53, namely the distance between the lower end of gag lever post 53 and banking stop 66, screw spacing holding screw 68 after the lower end position of gag lever post 53 has regulated, during to eliminate striking experiment, micrometer head is stressed, protection micrometer head; And the existence of limit spring 67 makes gag lever post 53 to reset; In addition, displacement transducer 69 sliding bar end is fixed together by screw thread and banking stop 66, thus measures by the displacement of measuring banking stop 66 real-time displacement that spinal cord percussion mechanism 3 end spinal cord hooks sheet 60; Meanwhile, by selecting the spinal cord of different size hook sheet 60 and spinal cord tabletting 61 can realize clashing into the control of dampening area to spinal cord.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a spinal cord injury percussion device, is characterized in that, this device comprises: XY motion platform (1), Z adjustment mechanism (2), spinal cord percussion mechanism (3) and bindiny mechanism (4), wherein:
Described XY motion platform (1) is for fixing laboratory animal object, and experimental subject is regulated at the enterprising line position of XOY plane, it comprises: X motion platform (21), Y motion platform (22), base plate (9), top maneuvering board (5), brassboard base plate (6) and brassboard (7); Described Y motion platform (22) is installed on described base plate (9); Vertical with described Y motion platform (22) on the slide block that described X motion platform (21) is installed on described Y motion platform (22) line slideway; Described top maneuvering board (5) is installed on the slide block of described X motion platform (21) line slideway; Described brassboard base plate (6) is installed on described top maneuvering board (5); Described brassboard (7) is embedded on described brassboard base plate (6), and is fixed together, for fixing laboratory animal with described brassboard base plate (6);
Described spinal cord percussion mechanism (3) is fixedly installed in described Z adjustment mechanism (2), for carrying out the experiment of spinal cord impact damage;
Described Z adjustment mechanism (2) is fixed on described base plate (9) by bindiny mechanism (4), for fixing and regulate the position of described spinal cord percussion mechanism (3);
Described X motion platform (21) is identical with the structure of Y motion platform (22), include direct-drive motor and decelerator (10), motor cabinet (11), Timing Belt (12), synchronous pulley (13), bearing block (15), Timing Belt backstand (16), line slideway (17), guide rail catch (18), maneuvering board (19), limit switch fixed mechanism (20), wherein:
Described motor cabinet (11) is installed in one end of described maneuvering board (19);
Described direct-drive motor and decelerator (10) are fixed as one and are installed on described motor cabinet (11), and the output shaft of decelerator passes the interstitial hole of motor cabinet (11);
The drivewheel of described synchronous pulley (13) is installed in the end of reducer output shaft, and the driven pulley of synchronous pulley (13) is installed on described bearing block (15) by bearing;
The two ends of described Timing Belt (12) are engaged with the gear teeth of synchronous pulley (13) drivewheel and driven pulley respectively;
There is convex key described bearing block (15) both sides, are embedded in the groove of Timing Belt backstand (16), and are fixed together by screw rod and the opposing side of described Timing Belt backstand (16) this groove;
Described line slideway (17) is parallel with described Timing Belt (12) to be installed on described maneuvering board (19), two ends of described line slideway (17) are separately installed with guide rail catch (18), are separated with line slideway to prevent straight-line guide rail slide block;
Described limit switch fixed mechanism (20) is installed on described maneuvering board (19), and lay respectively at the two ends of described line slideway (17), limit switch is then installed on described limit switch fixed mechanism (20) and goes up and can carry out position adjustment, for the processing of elimination motion platform and alignment error.
2. device according to claim 1, it is characterized in that, described X motion platform (21) and Y motion platform (22) also comprise Timing Belt clamp system (14), its one end and Timing Belt (12) are closely engaged and are fixed together, and the other end is connected mutually with the slide of line slideway (17).
3. device according to claim 2, it is characterized in that, the Timing Belt of described Y motion platform (22) is fixed together by the maneuvering board (19) of its Timing Belt clamp system and described X motion platform (21), thus the Timing Belt of described Y motion platform (22) can drive described X motion platform (21) to move along respective straight guide rail; The Timing Belt of described X motion platform (21) is then fixed together by the bottom of its Timing Belt clamp system (14) with described top maneuvering board (5), thus the Timing Belt of described X motion platform (21) can drive described top maneuvering board (5) to move along corresponding line slideway.
4. device according to claim 1, it is characterized in that, described Z adjustment mechanism (2) comprising: direct-drive motor and decelerator (33), Z motor cabinet (34), gear (32), tooth bar (35), tooth bar fixture (36), line slideway (31), Z track base (39), two Z axis angle bar parts (37), two limit switch fixed mechanisms (40) and shells (41), wherein:
Described direct-drive motor and decelerator (33) are installed on described Z motor cabinet (34), and its reducer output shaft and described gear (32) are connected;
Described Z motor cabinet (34) is installed in described bindiny mechanism (4);
Described Z track base (39) is vertically installed on described Z motor cabinet (34), and described line slideway (31) is installed in the medial launder of described Z track base (39);
Described tooth bar fixture (36) is installed on the slide block of described line slideway (31);
Described tooth bar (35) is installed on a side of described tooth bar fixture (36), and meshes together with described gear (32);
The described tooth bar (35) that is rotated through of described gear (32) drives the slide block of described line slideway (31) to move up and down, and then the position adjustments driving described spinal cord percussion mechanism (3) to carry out in Z-direction;
Described two Z axis angle bar parts (37) are installed on the two ends of described Z track base (39) respectively;
Described two limit switch fixed mechanisms (40) are arranged on described two Z axis angle bar parts (37) respectively, lay respectively at the two ends up and down of described line slideway (31), limit switch is then installed on corresponding limit switch fixed mechanism (40) respectively, and its position-adjustable is to eliminate processing and alignment error;
Described shell (41) is installed on described Z motor cabinet (34).
5. device according to claim 4, it is characterized in that, described Z adjustment mechanism (2) also comprises Z track base backing plate (38), described Z track base backing plate (38) is installed on the two ends of described Z track base (39), skids off for preventing linear guide slide seat.
6. device according to claim 1, it is characterized in that, described spinal cord percussion mechanism (3) comprising: knocking gear fixing head (50), direct acting releases electric magnet (64), electric magnet holder (65), micrometer head (71), micrometer head holder (70), spacing holding screw (68), displacement transducer (69), miniature line slideway (59), micro-force sensor (57), force transducer seat (56), banking stop (66), spacing pole socket (53), gag lever post (51), gag lever post tightening piece (52), gag lever post fixture (54), limit spring (67), Z axis Connection Block (55), experiment slide rail (63), experiment slide bar (58), spinal cord tabletting (61), holding screw (62), wherein:
Described knocking gear fixing head (50) through being positioned at the Z axis Connection Block (55) of described knocking gear fixing head (50) rear side, the tooth bar fixture (36) of described Z adjustment mechanism (2), is finally fixed on the slide block of line slideway (31) of described Z adjustment mechanism (2) by bolt;
Described direct acting is released electric magnet (64) and is installed in described knocking gear fixing head (50) lower left side by described electric magnet holder (65), and its upper end contacts with the lower end of described banking stop (66) just;
Described miniature line slideway (59) is installed on the lower right side of described knocking gear fixing head (50), it is provided with two miniature linear slider, the linear slider of upside is provided with described force transducer seat (56), the linear slider of downside is provided with described experiment slide bar (58);
The lower end of described force transducer seat (56), be provided with described micro-force sensor (57) between described force transducer seat (56) and described experiment slide bar (58), the upper end of described force transducer seat (56) is provided with banking stop (66);
Institute's displacement sensors (69) is installed in described knocking gear fixing head (50) upper left side, be positioned at described direct acting and release electric magnet (64) upper end, described banking stop (66) is fixed together with the sliding bar of institute's displacement sensors (69);
Described spacing pole socket (53) is installed in the upper right side of described knocking gear fixing head (50), and described gag lever post (51) is embedded in the chute of described spacing pole socket (53);
Described gag lever post tightening piece (52), gag lever post fixture (54) are installed on the two ends up and down of described spacing pole socket (53) respectively;
One end of described limit spring (67) is fixed on described gag lever post tightening piece (52), and the other end is fixed on described gag lever post (51), resets for controlling gag lever post (53);
Described spacing holding screw (68) is installed in the screwed hole of described gag lever post tightening piece (52);
Described micrometer head (71) is installed on the top, upper right side of described knocking gear fixing head (50) by described micrometer head holder (70);
Described experiment slide rail (63) is installed in the lower central of described knocking gear fixing head (50);
Described spinal cord tabletting (61) is arranged on a side of described experiment slide rail (63) by described holding screw (62).
7. device according to claim 6, it is characterized in that, described spinal cord percussion mechanism (3) also comprises spinal cord and hooks sheet (60), described spinal cord is hooked sheet (60) and is installed on described experiment slide bar (58) by described holding screw (62), and its position-adjustable is to eliminate alignment error.
8. device according to claim 1, it is characterized in that, described bindiny mechanism (4) comprises carrier base (8) and support (72), wherein, described carrier base (8) is installed in the rear end of described base plate (9), adjacent with described X, Y motion platform; Described support (72) is installed on described carrier base (8).
9. device according to claim 8, it is characterized in that, the Z motor cabinet (34) of described Z adjustment mechanism (3) is installed in the end trough of described support (72) upside, thus described Z adjustment mechanism (3) and described spinal cord percussion mechanism (2) is fixed on described support (72).
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| CN201210593040.2A CN103006346B (en) | 2012-12-31 | 2012-12-31 | Spinal cord injury percussion apparatus |
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| CN201210593040.2A CN103006346B (en) | 2012-12-31 | 2012-12-31 | Spinal cord injury percussion apparatus |
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| CN103006346B true CN103006346B (en) | 2015-04-01 |
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| CN109106464B (en) * | 2018-08-14 | 2023-09-29 | 中国人民解放军第四军医大学 | Device and fixing mechanism for preparing spinal cord injury experimental model |
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