BLOOD COLLECTION APPARATUS

摘要

A blood collection apparatus is provided with a blood collection assembly including blood collection tubes, adapter assemblies each including a first tube extending out of one end and a second tube extending out of the end to insert into one of the blood collection tubes, and a casing tube including a forward nose, connectors each connected to the first tube of each adapter assembly, and a rear flange having a flexible projection; a butterfly needle assembly mounted to the nose of the casing tube; and a plunger slidably disposed in the casing tube and including a forward plug and an elongated arm having cavities. A pulling of the plunger moves the plug rearward and pivots the projection to engage in one cavity so as to flow blood from the tube casing to one blood collection tube via one connector and one adapter assembly.

主权项

1. A blood collection apparatus comprising:
a blood collection assembly comprising a plurality of blood collection tubes, a plurality of adapter assemblies each including a first tube extending out of one end and a second tube extending out of an other end to insert into one of the blood collection tubes, and a casing tube including a forward nose, a plurality of connectors each connected to the first tube of each of the adapter assemblies, and a rear flange having a flexible projection; a butterfly needle assembly mounted to the nose of the casing tube; and a plunger slidably disposed in the casing tube and comprising a forward plug and an elongated arm including a plurality of cavities; wherein in a blood collection operation a pulling of the plunger moves the plug rearward and pivots the projection to engage in one of the cavities so as to flow blood from the tube casing to one of the blood collection tubes via one of the connectors and one of the adapter assemblies.