Infusion pump in medical application
A technology for infusion pumps and pump casings, which is applied in the improvement field of medical infusion pumps, can solve problems such as secondary pollution, and achieve the effects of preventing secondary pollution and being easy to use
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[0013] combine figure 1 and figure 2 , the medical infusion pump of the embodiment includes a pump housing 1 and a rotor 2 . A flexible "U"-shaped tube 5 is pierced in the pump casing 1, and a silicone rubber tube is used. The inner wall of the pump casing 1 is made into a corresponding shape, the outer edge of the "U"-shaped tube 5 is closely attached to the inner wall of the pump casing 1, and three freely rotating rollers 3 are arranged on the circumference of the rotor 2, and the rollers 3 are tightly pressed on the inner wall of the pump casing 1. The inner edge of the "U" shaped pipe 5.
[0014] The axis of the rotor 2 is located at the center of the semicircle in the "U" shape of the "U" tube 5, so as to ensure that the roller 3 is in close contact with the "U" tube 5 when the rotor 2 rotates.
[0015] In the semicircular part of the pump casing 1, the distance from the outer edge of the roller 3 to the inner wall of the pump casing 1 is equal to or less than twice ...
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