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Injury striker for ventral side of spinal cord

A technology of impactor and spinal cord, which is applied in the direction of instruments, veterinary instruments, medical science, etc., can solve the problems of large error, uncontrollable impact force, poor stability and repeatability, etc., and achieve high accuracy, simple and safe operation and Controllable, accuracy-enhancing effects

Inactive Publication Date: 2011-04-06
姜树东 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has poor stability and repeatability, large errors, and uncontrollable impact force, so it has not been widely used yet.

Method used

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  • Injury striker for ventral side of spinal cord
  • Injury striker for ventral side of spinal cord

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] The method of using the device of the present invention will now be described with reference to the drawings:

[0086] 1. Anesthetize the animal, place the animal prone on the center of the 1-experimental platform, and perpendicular to the 9-X moving rail

[0087] 2. Laminectomy from the back to expose the spinal cord

[0088] 3. Place the 17-impact hook on the ventral side of the spinal cord (front)

[0089] 4. Adjust the 9-X moving rail and 13-Y moving rail, move the lower end of the 16-impacter moving piston close to the 17-impact hook, so that the lower end of the slot is connected with the 17-impact hook

[0090] 5. Loosen the distance measuring bolt, slowly drop the 18-fixed platen so that it naturally adheres to the surface of the spinal cord, and then tighten the bolt. At this time, the sagittal spinal cord can be read from the scale corresponding to the upper end of the 18-fixed platen and the sleeve Path and record

[0091] 6. Adjust the height of the limit bolt. If yo...

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Abstract

The invention relates to an impacting device for spinal-cord ventral injury for medical experiment. The impacting device consists of a supporting device, a monitoring device, a connecting-moving device, a power device and an impacting device, wherein the devices have the following connection modes that: the connecting-moving device is arranged above one side of the supporting device; the monitoring device can be loaded outside the supporting device; the connecting-moving device is in a cross shape; the left side of a transverse line of the connecting-moving device is provided with the power device; and the impacting device is arranged below the power device.

Description

Technical field: [0001] The invention relates to a spinal cord percussion device for medical experiments, in particular to an impactor that performs percussive damage to the ventral side of the spinal cord of an experimental animal and can monitor impact strength and deformation degree. Background technique: [0002] The most basic condition for studying spinal cord injury is to establish a quantitative, highly reproducible animal model that can truly simulate the actual injury. [0003] Someone has designed a WD device, combined with software that can adjust the degree of spinal cord compression and vertebral body displacement, can timely feedback the biomechanical information of the impact, and use this device to establish a highly repeatable spinal cord injury model. Al-len used weight drop-ping (WD) to hit the dorsal side of the spinal cord in 1911, and for the first time replicated a spinal cord injury model in an animal. Created a precedent for standardized experimental rese...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B19/00G09B23/00A61B90/00A61D1/00
Inventor 姜树东洪毅李建军苏鹏白金柱张军卫
Owner 姜树东
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