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Springtail dissection tool set and method for manufacturing same

A tool, the technology of springtails, applied in the field of entomological classification research, which can solve the problems of long processing time, damaged insect body, and thick diameter.

Inactive Publication Date: 2015-10-28
NORTHEAST AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of research and development of the present invention is to overcome the following shortcomings and deficiencies: firstly, the dissecting needle made of No. The worm body and the dehydration operation will cause the worm body to be damaged; secondly, when the setae of the worm body are arranged, tools made of hair will also damage the worm body

Method used

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  • Springtail dissection tool set and method for manufacturing same
  • Springtail dissection tool set and method for manufacturing same
  • Springtail dissection tool set and method for manufacturing same

Examples

Experimental program
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Effect test

Embodiment 1

[0023] The dissecting needle in the present invention comprises three parts: a needle (1), a handle (3), and a sleeve (4). Its features are: a tapered needle (1), a curved pipe (2), a cylindrical handle (3) and a cylindrical sleeve (4). The present invention has a nested structure, and the main body (1, 2, 3) of the capillary needle and the cannula (4) can be separated. The needle (1) is tapered, and the closer the tapered needle is to the end of the needle, the smaller the change in diameter is. The direct contact part between the dissection needle and the specimen is the needle head (1). When dissecting the collembola, the operator can dissect by means of the relative movement of a pair of needles (1) in the left and right hands, and can also operate with one hand. The elbow (2) ensures a suitable operating angle (in order to be suitable for exerting force, there should be an angle of 90-120° between the needle head and the needle handle). The sleeve pipe (4) is a long cy...

Embodiment 2

[0025]The bristle filament in the present invention comprises glass fiber filament (5), handle (3), sleeve pipe (4) three parts. The feature is: 0.025-0.035mm glass fiber filament (5), curved pipe (2), cylindrical handle (3) and cylindrical sleeve (4). Production process: melting, wire drawing, selection, modification, cooling, testing, finished product. When making the bristle filament, melt one end of the capillary at the flame of an alcohol lamp, clamp the melted end with tweezers and pull it quickly to make an uninterrupted glass fiber with a length of about 300mm. Measure the fiber with a spiral micrometer, select a section with a diameter of 0.025-0.035mm close to the main body of the capillary, and remove the remaining part. Thereafter, rely on the softening effect of the flame on the capillary to shorten the excess glass fiber to make the fiber filament about 10mm long, and nest the finished dissecting needle body in the plastic sleeve. If the wire drawing effect is ...

Embodiment 3

[0027] The aspirator in the present invention comprises three parts: a thin-walled glass capsule (6), a handle (3), and a sleeve (4). The feature is: an enlarged hollow thin-walled glass capsule (6), a curved pipe (2), a cylindrical handle (3) and a cylindrical sleeve (4). There is an approximately circular inlet (7) on the side of the bag, and an opening (8) communicated with the outside world at the tail of the aspirator. Production process: melting, ventilation, wall breaking, modification, testing, finished product. When making an aspirator, one end of the capillary is melted at the flame of an alcohol lamp, and air is blown on the other side of the capillary to expand the melted part and form a thin-walled vesicle. When the thin-walled vesicle is burst by the gas, the burst part is a nearly circular inlet. Thereafter, the finished absorber body can be nested in the plastic sleeve. When pipetting the worm body soaked in the transparent agent, just align the round inlet ...

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Abstract

The invention relates to a springtail dissection tool set, and belongs to the field of insectology classification research. The springtail dissection tool set comprises a dissection needle, a brushing filament, an absorption device and a fishing ring, is sleeved with a storage box, and can be used for dissecting a springtail transparent specimen. In order to solve problems that a conventional springtail dissection tool takes much time to manufacture, is rough in texture and causes the damage to a springtail body when moving the springtail body and arranging the posture of the springtail body, the invention provides a novel vitreous dissection tool set and a manufacturing scheme for the same. The springtail dissection tool set is manufactured based on a principle that a glass capillary fuses when heated and the glass capillary is molded when pre-cooled, and different tools can be manufactured through wire drawing, softening, fusing and expanding operations on the fusion part of the glass capillary, so that each tool has a specific function. The hardness and diameter of the head of the dissection needle meet springtail body tissue peeling demands. The brushing filament has a micro-size glass fiber head. The absorbing device has a thin-wall glass capsule head provided with an opening on the side surface. The fishing ring has a circular head capable of forming a liquid film through the liquid tension.

Description

technical field [0001] The invention relates to a collembola dissection tool set and a manufacturing method thereof, belonging to the field of entomological classification research. Background technique [0002] Collembola is a general term for Collembola insects. When taxonomy workers identify springtails, in view of the characteristics of springtails whose body length is less than 2mm, making dissected body slide labels has become a basic requirement of this discipline. At present, there are two main difficulties in the identification of collembola: first, the body of the collembola is too small to handle, and must be dissected under the vision of a stereo microscope; second, there are fewer workers in this research field than in other fields. By searching the literature and reviewing articles from various countries, it can be found that the existing dissection tools do not have a uniform style, and dissection is difficult. In the identification of collembola, tools made...

Claims

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Application Information

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IPC IPC(8): A61D1/00
CPCA61D1/00
Inventor 王汉男谢桂林李淑玲许洪霞樊东刘丽赵奎军林青战韩娜娜王立秀李江
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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