A rat gavage aid
By designing a placement box and expansion component for a rat gavage aid, the problems of cumbersome operation and safety in rat gavage were solved, enabling a rapid and accurate gavage process and reducing harm to rats and experimental errors.
CN224441513UActive Publication Date: 2026-07-03INST OF ACUPUNCTURE & MOXIBUSTION CHINA ACADEMY OF CHINESE MEDICAL SCI
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- INST OF ACUPUNCTURE & MOXIBUSTION CHINA ACADEMY OF CHINESE MEDICAL SCI
- Filing Date
- 2025-03-31
- Publication Date
- 2026-07-03
AI Technical Summary
Technical Problem
Existing methods of gavage in rats are cumbersome and can easily cause flexion and extension movements of the rat's lower body and tail, resulting in esophageal wall damage and affecting the convenience and accuracy of experimental procedures.
Method used
A rat gavage aid was designed, including a placement box and an opening component. The rat's body is fixed by the restraint component, and the opening component opens the rat's mouth to ensure the accuracy and safety of gavage tube insertion.
Benefits of technology
This improved the accuracy and safety of gavage procedures, reduced rat suffering, shortened procedure time, and ensured the reliability of experimental results.
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Smart Images
Figure CN224441513U_ABST
Abstract
This invention relates to the field of rat gavage technology, specifically a rat gavage aid. It includes a placement box for holding the rat, a restraint assembly for securing the rat's body movably mounted on the surface of the placement box, and a spreading assembly for opening the rat's mouth fixedly mounted at one end of the placement box. The spreading assembly includes a mounting plate, the bottom of which is fixedly mounted at one end of the placement box. Four corner bolts of the fixing plate are mounted on the top of the mounting plate, and one end of the mounting plate is welded to the middle of the fixing plate. A pull rod is inserted into the middle of a sleeve and passes through the outside of the mounting plate. A mounting block is fixedly mounted at one end of the pull rod, and one end of a transmission plate is symmetrically rotated at both ends of the mounting block. This invention, by precisely controlling the opening degree of the spreading clamp, can avoid unnecessary harm to the rat and reduce its suffering. The stability and reliability of the restraint assembly and the spreading assembly help ensure the accuracy of the gavage operation, thereby improving the reliability of experimental results.
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