A multi-channel parallel experimental animal respiration parameter automatic measuring device

CN122440166APending Publication Date: 2026-07-24JILIN ACAD OF AGRI SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JILIN ACAD OF AGRI SCI
Filing Date
2026-05-29
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing metabolic cages cannot dynamically adjust the size of the space while simultaneously adapting to changes in the gaps between the manure-leaking slits in the bottom plate, making it difficult to balance the comfort, safety, and efficient separation and collection of feces and urine for animals of different sizes.

Method used

The structure employs a sliding track, uprights, and connecting rods, along with adjustable threaded columns, to allow for independent and free adjustment of the length and width of the main cage. Support crossbars are slidably installed at the bottom of the uprights, and the inclined collection plate works in conjunction with the liquid collection tray to achieve automatic separation and collection of feces and urine.

Benefits of technology

It can be adapted to animals weighing from 15kg to 50kg without disassembly and reassembly, avoiding stress response, ensuring the accuracy and repeatability of respiratory measurement data, and achieving efficient separation and collection of feces and urine.

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Abstract

The present application belongs to the technical field of animal energy metabolism experiment equipment, and particularly relates to a multi-channel parallel experimental animal respiratory parameter automatic measuring device, which comprises a main cage body, an adjusting cage is arranged in the main cage body, the adjusting cage comprises symmetrically arranged sliding rails on two sides, a plurality of vertical rods are movably arranged on each sliding rail, adjacent two vertical rods on the same side are connected through connecting rods which are rotatably connected in the middle, and the length direction spacing is adjustable. Support cross bars are slidably connected between the vertical rods on the opposite sides, and form the bottom plate of the adjusting cage in the main cage body. Adjusting threaded columns are rotatably arranged at the two ends of the main cage body, the screw rotation directions of the two ends of the adjusting threaded columns are opposite, the spacing between the sliding rails on the two sides is adjusted by rotating the adjusting threaded columns, and width adjustment is realized. The present application can be adapted to animals of different sizes, the cage size is conveniently adjusted, and the bottom plate gap changes synchronously and adaptively.
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