Efficient blood sampling and blood collecting device for ocular fundus of rats and mice
A technology for collecting blood for rats and mice, applied in the fields of medical science, sensors, diagnostic recording/measurement, etc., can solve the problem of high infection rate, blindness rate and mortality rate of rats and mice, and the blood flow rate and blood collection volume are not easy to control and cannot be carried out. Continuous multiple blood collection and other problems, achieve the effect of good controllability, improve the blood collection volume and blood collection efficiency at one time, and reduce the risk of operation failure and repeated injury
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Embodiment 1
[0028] Such as figure 1 As shown, the high-efficiency blood collection device for the fundus of rats and mice in this embodiment includes a blood collection part 1 and a blood collection part 2, and the blood collection part 1 and the blood collection part 2 are connected through a transparent plastic hose 3 and are all detachable and compact. Connection, the flexible pipe 3 has a length of 12cm; the blood collection part 1 includes a blunt metal tube part 101, which includes a blunt metal tube (material is the same as the injection needle), the total length is 6cm, and the inner diameter of the metal tube is 0.4mm; the blunt metal tube The lower half of the part 101 is fixed with a handle 102, the handle includes a central piece 103 and wings 104 connected to both sides of the central piece 103, the surface of the central piece 103 and the wings 104 are provided with anti-skid bumps 105; the central piece 103 There is a through hole 106 (such as figure 2 shown); the blood c...
Embodiment 2
[0032] Such as Figure 4 As shown, in this embodiment, the blunt-end metal tube part 101 includes a metal tube main part 107 and a branch part 108 located at the front end of the main part. The branch part 108 includes two parallel-arranged double blunt-end metal tubes 109, and the ends of the two converge communicate with the main body afterward. Other structures are with embodiment 1. The bimetallic tube blood collection structure can further improve the blood collection volume and blood collection efficiency at one time.
Embodiment 3
[0034] Such as Figure 5 ~ Figure 6As shown, in this embodiment, on the blunt-end metal pipe part 101, a fixing seat 6 is also provided above the handle part 102, and a through hole 601 for the blunt-end metal pipe part to penetrate is provided in the fixing seat 6; One side is connected with a protective cover 7, and the protective cover 7 is provided with an accommodating cavity 701 of a blunt-end metal pipe portion 101, and the fixed seat 6 and the protective cover 7 form a rotating connection through a buckle slot structure 8; the two sides of the fixed seat 5 and the container The lower parts of the two inner sidewalls corresponding to the cavity 701 are provided with a hook structure 9, and the hook structure 9 has a guiding slope. The hook structures 9 cooperate with each other and are fastened. Other structures are with embodiment 1.
[0035] When taking blood, the operator turns the protective cover 7 outwards. After the blood collection is completed, the operator r...
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