Sample collection device, system and method for extracting and collecting a sample of a fluid of a user

Abstract

A sample collection device for collecting a blood sample of a patient, the sample collection device including a first partially deformable shell and a second at least partially pierceable shell with a pre-packaged vacuum sealed between the first shell and the second shell. The second shell may additionally hold a sample container and an automatic mechanical cutting mechanism including a rotatable cutting blade and an actuator spring, the actuator spring being actuatable by pressing the first shell, thereby releasing and rotating the cutting blade. By pressing the first shell, the pre-packaged vacuum is released to a collection opening of the second shell such that the vacuum effects a suction effect so that blood coming out of the incision created by the rotatable cutting blade leaks into the sample container.

1 . A sample collection device for collecting a blood sample of a patient, the sample collection device at least comprising:
 a first partially deformable shell,   a second at least partially pierceable shell,   wherein in a mounted state of the collection device a pre-packaged vacuum is sealed between the first shell and the second shell,   wherein the second shell holds in the mounted state a sample container and an automatic mechanical cutting mechanism comprising a rotatable cutting blade and an actuator spring, the actuator spring being actuatable by pressing the first shell, thereby releasing and rotating the cutting blade, and   wherein by pressing the first shell the pre-packaged vacuum is released to a collection opening of the second shell such that the vacuum effects a suction effect such that blood coming out of the incision created by the rotatable cutting blade leaks into the sample container.   
     
     
         2 . The sample collection device according to  claim 1 , wherein the cutting blade is mounted on and/or part of a rotatable plunger. 
     
     
         3 . The sample collection device according to  claim 2 , wherein the plunger further comprises a seal portion, the seal portion being arranged and configured such that after collecting the blood sample the sample container is and/or can be sealed by the seal portion such that the sample container is closed by the plunger and the seal portion. 
     
     
         4 . The sample collection device according to  claim 3 , wherein the plunger further comprises a septum. 
     
     
         5 . The sample collection device according to  claim 1 , wherein the cutting blade comprises a cutting edge, wherein the cutting edge has an acute end and a rounded end. 
     
     
         6 . The sample collection device according to  claim 5 , wherein the cutting edge of the cutting blade has an angle γ between 15°-25°. 
     
     
         7 . The sample collection device according to  claim 6 , wherein the acute end of the cutting blade has an angle δ between 45°-55°. 
     
     
         8 . The sample collection device according to  claim 5 , wherein the rounded end of the cutting blade has a same radius R as an outer edge of the cutting blade on a side of the rounded end. 
     
     
         9 . The sample collection device according to  claim 6 , wherein the angle γ is between 19°-21°. 
     
     
         10 . The sample collection device according to  claim 6 , wherein the angle γ is 20°. 
     
     
         11 . The sample collection device according to  claim 7 , wherein the angle δ is between 47°-53°. 
     
     
         12 . The sample collection device according to  claim 7 , wherein the angle δ between 45°-55° is 50°. 
     
     
         13 . The sample collection device according to  claim 1 , wherein a button on the first shell is configured to actuate the actuator spring. 
     
     
         14 . The sample collection device according to  claim 1 , wherein the second at least partially pierceable shell is pierceable through a membrane. 
     
     
         15 . The sample collection device according to  claim 14  further comprising a vacuum unlocking element. 
     
     
         16 . The sample collection device according to  claim 1 , wherein the second at least partially pierceable shell comprises a plurality of stabilization ribs. 
     
     
         17 . The sample collection device according to  claim 16 , wherein at least one of the plurality of stabilization ribs encircles a recess within the second at least partially pierceable shell. 
     
     
         18 . The sample collection device according to  claim 16 , wherein the plurality of stabilization ribs are attached to a base plate. 
     
     
         19 . The sample collection device according to  claim 2 , wherein the sample container is a cylindrical tube with a closed and an open end, the open end being oriented to the plunger. 
     
     
         20 . The sample collection device according to  claim 4 , wherein the septum is pierceable.