Abstract: Disclosed herein is a unit for collecting and ejecting blood including: a handle extending along a first central axis; a handling block connected to the handle and disposed to have a second central axis that is offset from the first central axis; and a plunger connected to the handle to be movable along a direction of the first central axis and moving toward the handling block when manipulated, wherein the handling block includes: a body having a connection portion connected to the handle and a contact portion located beneath the connection portion; and a collection port formed to pass through the body in a direction from the contact portion to the connection portion and configured to collect blood by a capillary force, and the plunger moves along the direction of the first central axis when manipulated to enter the collection port and push the blood collected in the collection port out of the collection port.

Abstract: Disclosed herein is a unit for collecting blood including: a handle having a length to be gripped in a hand of a user; and a handling block connected to the handle, wherein the handling block includes: a body disposed to have a second central axis offset from a first central axis of the handle; a collection port formed to pass through the body in a vertical direction and configured to collect blood due to a capillary force; and a discharge groove formed concavely in the body in communication with a lower portion of the collection port to promote discharging of blood absorbed into the collection port to an absorption pad of a diagnostic device when the body is placed on the absorption pad.