CN110680542A - Spinal cord injury striking device - Google Patents

Spinal cord injury striking device Download PDF

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Publication number
CN110680542A
CN110680542A CN201910776883.8A CN201910776883A CN110680542A CN 110680542 A CN110680542 A CN 110680542A CN 201910776883 A CN201910776883 A CN 201910776883A CN 110680542 A CN110680542 A CN 110680542A
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CN
China
Prior art keywords
spinal cord
cord injury
striking
screw rod
experimental animal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910776883.8A
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Chinese (zh)
Inventor
王建伟
邵阳
王善付
杨俊锋
尹恒
华臻
刘雷
殷杰
张素
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Wuxi Hospital of Traditional Chinese Medicine
Original Assignee
Wuxi Hospital of Traditional Chinese Medicine
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Hospital of Traditional Chinese Medicine filed Critical Wuxi Hospital of Traditional Chinese Medicine
Priority to CN201910776883.8A priority Critical patent/CN110680542A/en
Publication of CN110680542A publication Critical patent/CN110680542A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61DVETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D1/00Surgical instruments for veterinary use
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61DVETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D3/00Appliances for supporting or fettering animals for operative purposes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61DVETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D3/00Appliances for supporting or fettering animals for operative purposes
    • A61D2003/003Appliances for supporting or fettering animals for operative purposes with head or neck restraining means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61DVETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D3/00Appliances for supporting or fettering animals for operative purposes
    • A61D2003/006Appliances for supporting or fettering animals for operative purposes with leg or foot restraining means

Abstract

The invention discloses a spinal cord injury impactor, which comprises an XY adjusting mechanism, an impacting mechanism, a lifting mechanism and a control mechanism, wherein an electromagnetic induction part above an impacting rod can automatically adsorb the impacting rod, the control mechanism controls the electromagnetic induction part to be powered off, the impacting rod falls down to impact the corresponding position of an experimental animal, and after the impacting rod falls, the control mechanism controls the electromagnetic induction part to be powered on, the electromagnetic induction part automatically adsorbs the impacting rod, so that the impacting rod can be effectively prevented from continuously pressing a spinal cord, and secondary injury to the experimental animal is effectively avoided; the X-direction coarse adjustment component can coarsely adjust the position of the experimental animal in the X direction, the X-direction fine adjustment component can finely adjust the position of the experimental animal in the X direction, the Y-direction coarse adjustment component can coarsely adjust the position of the experimental animal in the Y direction, the Y-direction fine adjustment component can finely adjust the position of the experimental animal in the Y direction, the experimental position of the experimental animal can be effectively adjusted, and the failure rate of the experiment is reduced.

Description

Spinal cord injury striking device
Technical Field
The invention belongs to the technical field of medical experimental instruments, and particularly relates to a spinal cord injury striker.
Background
Spinal Cord Injury (SCI) has a high disability rate, and treatment thereof has not been progressed so far. A reliable SCI model is critical to elucidating its pathophysiological mechanisms and to evaluating the effect of post-injury intervention.
At present, partial medical experiments need to carry out spinal cord injury on animals such as rats, mice and rabbits, the traditional method is to manually grasp the animals and strike the animals at corresponding positions, but the spinal cord injury striker does not have a resetting device in the process, and can continuously press the spinal cord after falling down, thereby easily causing secondary injury. And the striking position is not accurately positioned, and the striking position deviates from the target position, so that the experiment is easy to fail.
Disclosure of Invention
In order to solve the technical problems, the invention provides a spinal cord injury impactor which can effectively prevent secondary injury and accurately adjust the position of an experimental animal.
A spinal cord injury impactor, comprising a bracket and further comprising:
the XY adjusting mechanism comprises an X-direction coarse adjusting component, an X-direction fine adjusting component, a Y-direction coarse adjusting component, a Y-direction fine adjusting component and a Y-direction fine adjusting component, wherein the X-direction coarse adjusting component is used for coarsely adjusting the position of an experimental animal in the X direction;
the striking mechanism is arranged above the XY adjusting mechanism and comprises a beam and a striking component which are horizontally arranged, the striking component comprises a guide sleeve, a striking rod, a support frame and an electromagnetic induction part, the striking rod is detachably connected with the beam through the guide sleeve, the support frame is vertically arranged on the upper surface of the beam, and the electromagnetic induction part is arranged at the top of the support frame and used for selectively fixing the top of the striking rod;
the lifting mechanism is arranged on one side of the XY adjusting mechanism, the moving end of the lifting mechanism is fixedly connected with one end of the cross beam, and the lifting mechanism is used for driving the striking mechanism to move up and down;
and the control mechanism is in communication connection with the electromagnetic induction part.
Preferably, in the above technical scheme, the impact rod includes an impact pin and a limiting portion disposed above the impact pin, a vertical stepped hole is disposed in the guide sleeve, the stepped hole includes a large hole above and a small hole below, the aperture of the large hole is greater than or equal to the outer diameter of the limiting portion, and the aperture of the small hole is greater than the outer diameter of the impact pin and smaller than the outer diameter of the limiting portion.
According to the preferable technical scheme, a return spring is arranged in the large hole, the lower end of the return spring is in contact with the lower end face of the large hole, and the return spring is sleeved outside the impact needle.
Preferably, the lower end of the striker is provided with a pressure sensor, and the pressure sensor is in communication connection with the control mechanism.
According to the preferable technical scheme, the lower end of the guide sleeve is provided with two lasers, the lasers are arranged symmetrically to the impact pin and are all obliquely arranged, and the junction of the two lasers is located right below the impact pin.
According to the preferable technical scheme, the lifting mechanism comprises a first transmission shaft, a rotating handle, a first bevel gear, a second bevel gear, a screw rod nut and a guide pillar, the first transmission shaft is horizontally arranged on the support, the rotating handle and the first bevel gear are arranged on the first transmission shaft, the screw rod is vertically arranged on the support, the second bevel gear is arranged at the lower end of the screw rod, the first bevel gear is meshed with the second bevel gear, the screw rod nut is in transmission with the screw rod, the screw rod nut is fixedly connected with the cross beam, the guide pillar is symmetrically arranged on the front side and the rear side of the screw rod, and the cross beam is in sliding connection with the guide pillar.
Preferably, the X-direction coarse adjustment assembly and the Y-direction coarse adjustment assembly are sliding rail sliding table sliding assemblies, and the X-direction fine adjustment assembly and the Y-direction fine adjustment assembly are fine-tooth screw rods and nut adjustment assemblies.
Above technical scheme is preferred, Y is to accurate subassembly including placing the platform, it is equipped with fixed subassembly to place on the platform for the fixed experimental animals.
The invention has the advantages and positive effects that: the invention provides a spinal cord injury impactor, which can automatically adsorb an impact rod by utilizing an electromagnetic induction part above the impact rod, wherein a control mechanism controls the electromagnetic induction part to be powered off, the impact rod falls down to strike the corresponding position of an experimental animal, and after the impact rod falls down, the control mechanism controls the electromagnetic induction part to be powered on, and the electromagnetic induction part automatically adsorbs the impact rod, so that the impact rod can be effectively prevented from continuously pressing a spinal cord, and secondary injury to the experimental animal is effectively avoided; the X-direction coarse adjustment component can coarsely adjust the position of the experimental animal in the X direction, the X-direction fine adjustment component can finely adjust the position of the experimental animal in the X direction, the Y-direction coarse adjustment component can coarsely adjust the position of the experimental animal in the Y direction, the Y-direction fine adjustment component can finely adjust the position of the experimental animal in the Y direction, the experimental position of the experimental animal can be effectively adjusted, and the failure rate of the experiment is reduced.
Drawings
Fig. 1 is a schematic structural view of a spinal cord injury impactor according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a striking assembly according to an embodiment of the present invention;
FIG. 3 is an enlarged fragmentary view taken at the circle in FIG. 1;
fig. 4 is a schematic structural diagram of a placement table according to an embodiment of the present invention.
Wherein: 1. a support; 2. a cross beam; 3. a guide sleeve; 4. a knock rod; 5. a support frame; 6. an electromagnetic induction section; 7. a first drive shaft; 8. rotating the handle; 9. a first bevel gear; 10. a second bevel gear; 11. a screw rod; 12. tightening the screw; 13. a first slide rail; 14. a first platform; 15. a fine-toothed screw; 16. a second platform; 17. a knob; 18. a second slide rail; 19. a third platform; 20. a fourth stage; 21. a placing table; 22. a fixing ring; 23. a slider; 24. a striker pin; 25. a limiting part; 26. a pressure sensor; 27. macropores; 28. a small hole; 29. a return spring; 30. a laser.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The spinal cord injury impactor disclosed by the embodiment comprises a support 1, an XY adjusting mechanism, an impacting mechanism, a lifting mechanism and a control mechanism, wherein the support 1 provides support for other various components, as shown in FIGS. 1-4. The XY adjusting mechanism comprises an X-direction coarse adjusting component, an X-direction fine adjusting component, a Y-direction coarse adjusting component and a Y-direction fine adjusting component; the X-direction coarse adjustment component is arranged on the upper surface of the bracket 1 and is used for coarsely adjusting the position of the experimental animal in the X direction; the X-direction fine adjustment assembly is fixedly connected with the moving end of the X-direction coarse adjustment assembly and is used for finely adjusting the position of the experimental animal in the X direction; the Y-direction coarse adjusting component is fixedly connected with the moving end of the X-direction fine adjusting component and is used for coarsely adjusting the position of the experimental animal in the Y direction; the Y-direction fine adjustment component is fixedly connected with the moving end of the Y-direction coarse adjustment component and used for fine adjustment of the position of the experimental animal in the Y direction. In the present embodiment, the left-right direction is defined as the X direction, and the front-back direction is defined as the Y direction.
The striking mechanism is arranged above the XY adjusting mechanism and comprises a beam 2 and a striking component which are horizontally arranged, the striking component comprises a guide sleeve 3, a striking rod 4, a support frame 5 and an electromagnetic induction part 6, the striking rod 4 is detachably connected with the beam 2 through the guide sleeve 3, the support frame 5 is vertically arranged on the upper surface of the beam 2, and the electromagnetic induction part 6 is arranged at the top of the support frame 5 and used for selectively fixing the top of the striking rod 4;
the lifting mechanism is arranged on one side of the XY adjusting mechanism, the moving end of the lifting mechanism is fixedly connected with one end of the beam 2, and the lifting mechanism is used for driving the striking mechanism to move up and down;
the control mechanism is in communication connection with the electromagnetic induction part 6 and is used for controlling the electromagnetic induction part 6 to be powered on or powered off so as to control the electromagnetic induction part 6 to adsorb and release the top of the impact rod 4.
Specifically, the impact rod 4 comprises an impact pin 24 and a limiting part 25 arranged above the impact pin 24, a vertical stepped hole is arranged in the guide sleeve 3, the stepped hole comprises a large hole 27 above and a small hole 28 below, the aperture of the large hole 27 is larger than or equal to the outer diameter of the limiting part 25, and the aperture of the small hole 28 is larger than the outer diameter of the impact pin 24 and smaller than the outer diameter of the limiting part 25. The small hole 28 can limit the limit part 25 to continuously fall, effectively prevent the impact rod 4 from falling off the guide sleeve 3, and is beneficial to the electromagnetic induction part 6 to adsorb the impact rod 4 after being electrified. Alternatively, the detachable connection of the striking rod 4 to the cross beam 2 via the guide sleeve 3 can be: the upper part of the guide sleeve 3 is provided with external threads, the cross beam 2 is provided with a vertical threaded hole, the guide sleeve 3 is in threaded connection with the threaded hole of the cross beam 2, and the impact rod 4 penetrates through the guide sleeve 3 from the upper part of the guide sleeve 3; the guide sleeve 3 and the cross beam 2 can also be clamped or sleeved and the like. The stepped holes of the guide sleeve 3 can be made into different specifications to adapt to the impact rods 4 with different sizes and weights, so that different impact forces are obtained, and the experimental research range is expanded.
After the electromagnetic induction part 6 is powered on, in order to increase the speed of returning the impact rod 4, optionally, a return spring 29 is arranged in the large hole 27, the lower end of the return spring 29 is in contact with the lower end surface of the large hole 27, and the return spring 29 is sleeved outside the impact pin 24. The inner diameter of the return spring 29 is smaller than the outer diameter of the stopper portion 25 of the striker 4. After 6 outage in electromagnetic induction portion, 4 whereabouts of striking stick, spacing portion 25 compression return spring 29 strikes the completion back, and return spring 29 is because elasticity recovery normal position, and an ascending power is exerted to spacing portion 25, promotes striking stick 4 and shifts up for electromagnetic induction portion 6 adsorbs spacing portion 25, makes 4 return of striking stick, avoids the secondary damage to the experimental animals.
Optionally, a pressure sensor 26 is arranged at the lower end of the striker 24, and a lead of the pressure sensor 26 is led out through the inner holes of the striker 24 and the limiting part 25, and is in communication connection with the control mechanism. The pressure sensor 26 can detect the hitting power, which is beneficial to the experimenter to grasp the hitting power in the experiment and is convenient for analyzing the relation between the hitting power and the experiment result. The control mechanism is used for receiving the hitting force measured by the pressure sensor 26. The control mechanism can be in communication connection with the display, and the control mechanism can send the hitting power measured by the pressure sensor 26 to the display for displaying, so that the experimenter can observe and record the data conveniently.
In order to adjust the hitting position of the experimental animal, optionally, two lasers 30 are arranged below the guide sleeve 3, the lasers 30 are arranged symmetrically to the striker pin 24, the lasers 30 are both arranged obliquely, and a junction of the two lasers 30 is located right below the striker pin 24.
The lifting mechanism specifically comprises a first transmission shaft 7, a rotating handle 8, a first bevel gear 9, a second bevel gear 10, a screw rod 11, a screw nut and a guide pillar, wherein the first transmission shaft 7 is horizontally arranged on the support 1, the rotating handle 8 and the first bevel gear 9 are arranged on the first transmission shaft 7, the screw rod 11 is vertically arranged on the support 1, the lower end of the screw rod 11 is provided with the second bevel gear 10, the first bevel gear 9 is meshed with the second bevel gear 10, the screw nut is in transmission with the screw rod 11, the screw nut is fixedly connected with a cross beam 2, the guide pillars are symmetrically arranged on the front side and the rear side of the screw rod 11, and the cross beam 2 is in. The first transmission shaft 7 can be provided with a shaft sleeve, the lower end of the shaft sleeve is fixed on the bracket 1, the shaft sleeve is provided with a threaded hole perpendicular to the first transmission shaft 7, the set screw 12 is in threaded connection with the threaded hole in the shaft sleeve, and the first transmission shaft 7 can be locked by screwing the set screw 12. The outer surface of the first transmission shaft 7 connected with the shaft sleeve can be further processed with anti-skid grains, so that the friction force between the set screw 12 and the first transmission shaft 7 is increased, and the movement of the lifting mechanism is further prevented. The set screw 12 is loosened, the rotating handle 8 is rotated, the first bevel gear 9 is meshed with the second bevel gear 10, the second bevel gear 10 drives the screw rod 11 to rotate, the screw rod 11 rotates to drive the screw rod nut to move up and down, the screw rod nut drives the cross beam 2 to move up and down, the guide pillar plays a role in guiding the cross beam 2, and the vertical movement of the cross beam 2 is guaranteed, so that the falling height of the striking rod 4 is adjusted by the aid of the striking mechanism comprising the cross beam 2 in a lifting mode.
Optionally, the X-direction coarse adjustment assembly and the Y-direction coarse adjustment assembly are both slide rail and slide table sliding assemblies, and the X-direction fine adjustment assembly and the Y-direction fine adjustment assembly are both a fine-pitch screw 15 and a nut adjustment assembly. Specifically, the X-direction coarse adjustment assembly comprises a first slide rail 13, a first platform 14 and a first slide block, wherein the first slide rail 13 is arranged on the upper surface of the support 1 in the left-right direction, optionally 2 first slide rails 13 are respectively arranged on the front part of the support 1 and the rear part of the support 1, the first platform 14 is slidably connected with the first slide rail 13 through the first slide block, a plurality of vertical threaded holes are formed in the first slide rail 13, vertical first through holes are formed in the first platform 14 and the first slide block, and screws can penetrate through the first through holes to be in threaded connection with the threaded holes of the first slide rail 13, so that the first platform 14 and the first slide rail 13 are fixedly connected; the X-direction fine adjustment assembly comprises a fine-toothed screw rod 15, a nut and a second platform 16, a screw rod bearing seat is arranged at the left part of the first platform 14, a screw rod bearing seat is arranged at the right part of the first platform 14, two ends of the fine-toothed screw rod 15 are respectively arranged in the screw rod bearing seats, the fine-toothed screw rod 15 is horizontally arranged on the first platform 14 from left to right, the fine-toothed screw rod 15 is provided with the nut, the upper part of the nut is fixedly connected with the second platform 16, and one end of the fine-toothed screw rod 15 extends out of the screw rod bearing seat and is provided; the nut matched with the fine-tooth screw rod is also provided with fine teeth, and the self-locking requirement is met, so that the positioning can be realized; the Y-direction coarse adjustment assembly comprises a second slide rail 18, a third platform 19 and a second slide block, the second slide rail 18 is arranged on the upper surface of the second platform 16 in the front-back direction, the third platform 19 is connected with the second slide rail 18 in a sliding mode through the second slide block, a vertical threaded hole is formed in the second slide rail 18, second through holes are formed in the third platform 19 and the second slide block, and a screw can penetrate through the second through hole to be in threaded connection with the threaded hole of the second slide rail 18, so that the third platform 19 is fixedly connected with the second slide rail 18; the Y-direction fine adjustment assembly comprises a fine-thread screw, a nut and a fourth platform 20, a screw bearing seat is arranged on the front portion of the third platform 19, a screw bearing seat is arranged on the rear portion of the third platform, two ends of the fine-thread screw are respectively arranged in the screw bearing seats, the fine-thread screw is horizontally arranged on the third platform 19 front and back, the nut is arranged on the fine-thread screw, the upper portion of the nut is fixedly connected with the fourth platform 20, and one end of the fine-thread screw extends out of the screw bearing seat and is provided with a knob 17.
Optionally, the Y-direction fine adjustment assembly includes a placing table 21, the placing table 21 is fixedly disposed on the fourth platform 20, and a fixing assembly is disposed on the placing table 21 and used for fixing the experimental animal. The fixing assembly comprises a plurality of fixing rings 22 for fixing the head, the tail and the body of an animal and fixing belts for binding the body of the animal, the fixing rings 22 are respectively arranged on the placing table 21 in a sliding mode through sliding blocks 23, and the sliding blocks 23 can be fixed on the placing table 21 through screws; in the present embodiment, six fixing rings 22 are provided in total, wherein two fixing rings 22 are provided at the left and right middle portions of the placing table 21, respectively, two fixing rings 22 are provided at the front portion of the placing table 21, and two fixing rings 22 are provided at the rear portion of the placing table 21; the fixing belt is fixed on the fixing ring 22 after binding the animal, so as to realize the fixation of the animal. Solid fixed ring 22 homoenergetic in this embodiment can with place platform 21 sliding connection, adjusts the different experimental animals of the better adaptation in the position of individual solid fixed ring 22, does benefit to the fastening of animal, makes the animal fixed more firm.
The working process of the embodiment: fixing the experimental animal on a placing table 21 through a fixing belt, starting a laser 30, adjusting a lifting mechanism, adjusting an intersection point of the two lasers 30 to the body of the experimental animal, firstly sliding an X-direction coarse adjusting component and a Y-direction coarse adjusting component for coarse adjustment by taking the intersection point as reference, finely adjusting the X-direction fine adjusting component and the Y-direction fine adjusting component by screwing a knob 17, and enabling an animal striking position to be located at the intersection point of the lasers 30; adjusting the lifting mechanism to a proper height, controlling the electromagnetic induction part 6 to be powered off by the control mechanism, enabling the impact rod 4 to fall down to strike the animal, controlling the electromagnetic induction part 6 to be powered on by the control mechanism, and resetting the impact rod 4 under the action of the elasticity of the return spring 29 and the suction force of the electromagnetic induction part 6; the pressure sensor 26 transmits the measured striking force to the control mechanism, which transmits the striking force to the display for display.
The invention has the advantages and positive effects that: the invention provides a spinal cord injury impactor, which can automatically adsorb an impact rod 4 by utilizing an electromagnetic induction part 6 above the impact rod 4, a control mechanism controls the electromagnetic induction part 6 to be powered off, the impact rod 4 falls down to hit the corresponding position of an experimental animal, after the impact rod 4 falls, the control mechanism controls the electromagnetic induction part 6 to be powered on, the electromagnetic induction part 6 automatically adsorbs the impact rod 4, the impact rod 4 can be effectively prevented from continuously pressing a spinal cord, and secondary injury to the experimental animal is effectively avoided; the X-direction coarse adjustment component can coarsely adjust the position of the experimental animal in the X direction, the X-direction fine adjustment component can finely adjust the position of the experimental animal in the X direction, the Y-direction coarse adjustment component can coarsely adjust the position of the experimental animal in the Y direction, the Y-direction fine adjustment component can finely adjust the position of the experimental animal in the Y direction, the experimental position of the experimental animal can be effectively adjusted, and the failure rate of the experiment is reduced.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims (8)

1. A spinal cord injury beater comprises a bracket and is characterized by further comprising:
the XY adjusting mechanism comprises an X-direction coarse adjusting component, an X-direction fine adjusting component, a Y-direction coarse adjusting component, a Y-direction fine adjusting component and a Y-direction fine adjusting component, wherein the X-direction coarse adjusting component is used for coarsely adjusting the position of an experimental animal in the X direction;
the striking mechanism is arranged above the XY adjusting mechanism and comprises a beam and a striking component which are horizontally arranged, the striking component comprises a guide sleeve, a striking rod, a support frame and an electromagnetic induction part, the striking rod is detachably connected with the beam through the guide sleeve, the support frame is vertically arranged on the upper surface of the beam, and the electromagnetic induction part is arranged at the top of the support frame and used for selectively fixing the top of the striking rod;
the lifting mechanism is arranged on one side of the XY adjusting mechanism, the moving end of the lifting mechanism is fixedly connected with one end of the cross beam, and the lifting mechanism is used for driving the striking mechanism to move up and down;
and the control mechanism is in communication connection with the electromagnetic induction part.
2. The spinal cord injury impactor of claim 1, wherein: the impact rod comprises an impact needle and a limiting part arranged above the impact needle, a vertical stepped hole is arranged in the guide sleeve, the stepped hole comprises a large hole above and a small hole below, the aperture of the large hole is larger than or equal to the outer diameter of the limiting part, and the aperture of the small hole is larger than the outer diameter of the impact needle and smaller than the outer diameter of the limiting part.
3. The spinal cord injury impactor of claim 2, wherein: and a return spring is arranged in the large hole, the lower end of the return spring is in contact with the lower end surface of the large hole, and the return spring is sleeved outside the impact needle.
4. The spinal cord injury impactor of claim 3, wherein: and a pressure sensor is arranged at the lower end of the impact pin and is in communication connection with the control mechanism.
5. The spinal cord injury impactor of claim 4, wherein: the lower end of the guide sleeve is provided with two lasers, the lasers are arranged symmetrically to the impacting needle and are all obliquely arranged, and the junction of the two lasers is located right below the impacting needle.
6. The spinal cord injury impactor of claim 1, wherein: the lifting mechanism comprises a first transmission shaft, a rotating handle, a first bevel gear, a second bevel gear, a screw rod nut and a guide pillar, wherein the first transmission shaft is horizontally arranged on the support, the rotating handle and the first bevel gear are arranged on the first transmission shaft, the screw rod is vertically arranged on the support, the lower end of the screw rod is provided with the second bevel gear, the first bevel gear is meshed with the second bevel gear, the screw rod nut is in screw rod transmission, the screw rod nut is fixedly connected with the cross beam, the guide pillar is symmetrically arranged on the front side and the rear side of the screw rod, and the cross beam is in sliding connection with the guide pillar.
7. The spinal cord injury impactor of claim 1, wherein: the X-direction coarse adjustment assembly and the Y-direction coarse adjustment assembly are sliding rail sliding table sliding assemblies, and the X-direction fine adjustment assembly and the Y-direction fine adjustment assembly are fine-tooth screw rods and nut adjustment assemblies.
8. The spinal cord injury impactor of claim 7, wherein: the Y-direction fine adjustment assembly comprises a placing table, wherein a fixing assembly is arranged on the placing table and used for fixing the experimental animal.
CN201910776883.8A 2019-08-22 2019-08-22 Spinal cord injury striking device Pending CN110680542A (en)

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Application Number Priority Date Filing Date Title
CN201910776883.8A CN110680542A (en) 2019-08-22 2019-08-22 Spinal cord injury striking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910776883.8A CN110680542A (en) 2019-08-22 2019-08-22 Spinal cord injury striking device

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Publication Number Publication Date
CN110680542A true CN110680542A (en) 2020-01-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114600790A (en) * 2022-01-20 2022-06-10 中国人民解放军西部战区总医院 Small animal blunt contusion striking system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103006346A (en) * 2012-12-31 2013-04-03 中国科学院自动化研究所 Spinal cord injury percussion apparatus
CN104999776A (en) * 2015-02-13 2015-10-28 厦门大学 System and method for aligning silk-screen printing
CN105853012A (en) * 2016-05-10 2016-08-17 福建中医药大学 Spinal cord injury impactor precise in positioning and adjustable in strike force
CN206201068U (en) * 2016-11-11 2017-05-31 深圳市得鑫自动化设备有限公司 A kind of displacement location platform and location equipment
CN207949931U (en) * 2017-11-13 2018-10-12 昆明医科大学第一附属医院 A kind of Model of Rat Spinal Cord Injury establishes device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103006346A (en) * 2012-12-31 2013-04-03 中国科学院自动化研究所 Spinal cord injury percussion apparatus
CN104999776A (en) * 2015-02-13 2015-10-28 厦门大学 System and method for aligning silk-screen printing
CN105853012A (en) * 2016-05-10 2016-08-17 福建中医药大学 Spinal cord injury impactor precise in positioning and adjustable in strike force
CN206201068U (en) * 2016-11-11 2017-05-31 深圳市得鑫自动化设备有限公司 A kind of displacement location platform and location equipment
CN207949931U (en) * 2017-11-13 2018-10-12 昆明医科大学第一附属医院 A kind of Model of Rat Spinal Cord Injury establishes device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114600790A (en) * 2022-01-20 2022-06-10 中国人民解放军西部战区总医院 Small animal blunt contusion striking system

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