新しい血液凝固測定装置について

抄録

A report is made of a newly contrived blood coagulometer with a descriptive apparatus as to its construction, manipulation, and practical experiences. The extent of practicability and exactness of the contrivance as well as the resultant findings will be reported some other time.
The contrivance consists of a time marker, attached to an elastic descriptive apparatus and connected with a thin metal soaked in a small basin, in which collected venous blood. The metal ring is made to move up and down for certain seconds, so that the change in resistance due to a progressive increase of viscosity as coagulation develops are recorded in a carbon paper of kimographion.
This contrivance enables one to record the time for development and completion of coagulation as well as the changes in resistance during coagulation by the gram. The begining of coagulation is indicated by a 5 mg marking on the metal ring inversed in a blood basin. The completion of coagulation is indicated by a 130 mg marking.
When the metal ring works every 30", the range between high and low value on the same blood specimen measurement is 130", the range on the same individual blood is 190". The results of mesurement by the metal ring for different movement time will be reported later.