Bushing for one-time blood collection from blood bag blood sampling tail pipe

• Main Authors: SHA YAYUN, GAO LINGBAO
• Format: Patent
• Language: Chinese; English
• Published: 13.07.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention provides a dumbbell-like hollow transparent bushing with openings on both ends, wherein the whole bushing can be divided into an upper section round pipe, a middle section round pipe anda lower section round pipe, the expansion portion of the upper section round pipe 1 has an upward opening, the inner wall, close to the pipe opening, of the upper section bushing is fixedly providedwith a spike part perpendicular to the pipe wall, the cavity inside the upper section naturally narrows to the middle section so as to be used for taking a blood sampling tail pipe, the connection position of the cavity on the lower portion of the middle section and the cavity on the lower section of the bushing is closed, the cavity on the lower portion of the middle section and the cavity on thelower section of the bushing are communicated by a hollow needle pipe fixed at the circle center of the cavity, the needle pipe is exposed to the middle section bushing and the lower section bushing,and the lower section bushi