An egg holding needle
By designing an oocyte-holding needle with a cutting platform having an angle of less than 45°, the problem of incomplete cutting during microsurgery was solved, improving the stability and success rate of embryo cutting, reducing the embryo slippage rate, and enhancing the safety and effectiveness of embryo biopsy technology.
CN224530891UActive Publication Date: 2026-07-21GUANGDONG UNIV OF TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG UNIV OF TECH
- Filing Date
- 2025-07-09
- Publication Date
- 2026-07-21
Smart Images
Figure CN224530891U_ABST
Abstract
The application discloses an egg holding needle, comprising a needle body, a hollow cavity and a cutting part are arranged in the needle body, the hollow cavity comprises opposite hollow cavity first end and hollow cavity second end; the hollow cavity first end is provided with a suction inlet, the hollow cavity second end is connected with a suction driving part, the side of the suction inlet is provided with the cutting part, the cutting part comprises a first cutting surface and a second cutting surface which are connected with each other, and the included angle between the first cutting surface and the second cutting surface is less than 45°. Since the included angle between the first cutting surface and the second cutting surface is small, a relatively sharp cutting platform is formed between the two cutting surfaces, target cells are rubbed and collided on the cutting platform, and separation and extraction are realized. The existence of the cutting platform in the application enables an operator to conveniently and stably rub and collide the target cells, avoids the situation that the target cells slip during rubbing and collision, and also avoids multiple and long-time collision operations.
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