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    Thenar lancing phlebotomy" is a novel method for the self-collection of blood using a special phlebotomy device for the thenar and a self-collection blood kit. The thenar is punctured with a special lancet, the vein is subjected to automatic avascularization at the wrist and at the same time, a small centrifuge tube, attached to the suction cylinder of the device, is applied to the puncture and the blood is collected by suction. The small centrifuge tube containing the whole blood is centrifuged with a portable centrifugal separator to obtain plasma. In comparison with conventional finger prick phlebotomy, there is less pain and sufficient blood may be obtained. To investigate the accuracy of the method, we collected blood from the antecubital vein of 140 subjects and thenar lancing phlebotomy was simultaneously carried out on the same 140 subjects. The results of many blood tests currently included in medical check-ups were almost identical in the blood samples of both groups, suggesting that this method can be utilized in medical check-ups using self-collected blood sampies.


    Mitsumasa Kamaura, Hiroko Ohono, Kazusada Imai, Chihiro Kawakami, Naoyuki Okamoto, Osamu Tochikubo. A novel method for the self-collection of blood, "thenar lancing phlebotomy" and investigation of its accuracy]. Rinsho byori. The Japanese journal of clinical pathology. 2006 Jul;54(7):671-8

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    PMID: 16913656

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