Patent ID: 9743877
Date: 2017-08-29
CPC Classifications: A61B

Claim:
1. A sample collection device for collecting a sample of a body fluid configured to be incorporated into a fluid circuit of a perfusion of a patient, the fluid circuit of a perfusion comprising a container, a filter, an expansion vessel, a toothed wheel, a perfusion tubing and a perfusion catheter, the arm of a patient being equipped with the perfusion catheter, said sample collection device comprising: a sample collection channel comprising a distal end; a tubular structure for connection to a distal end of the perfusion tubing, and to a proximal end of the perfusion catheter, the tubular structure comprising a graduation; the tubular structure being equipped with a zone (Zi) of intubation of the sample collection channel; the zone (Zi) of intubation, including a holding means having a shape of a ring and a membrane embedded inside the ring for the leaktight insertion of the sample collection channel through the membrane in the tubular structure a portion of the sample collection channel comprising the distal end, when positioned in the holding means, is pointed toward the perfusion catheter in the flow direction of the perfusion product, from the container of perfusion product to the perfusion catheter, wherein the distal end of the sample collection channel is arranged at a given butt-joining distance (d wherein the sample collection device is configured to enable flow of the body fluid into the sample collection channel countercurrent relative to the perfusion product, and wherein the sample collection channel includes a non-return means located at a proximal end of the sample collection channel.