Vacuum device to assist in the drawing of capillary blood samples
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 12, 2003
Grant Date -
N/A
app pub date -
Jul 19, 2000
filing date -
May 18, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vacuum device is provided which assists in the drawing of blood samples from alternative puncture sites such as the forearm, abdomen or inner thigh and which may advantageously be used by diabetics. The device includes a hollow body which slidably receives a hollow plunger. A transparent cylindrical tip is attached to the lower end of the hollow body. A spring is carried inside the hollow body and hollow plunger, the lower end of the spring seating against a webbing formed in the transparent tip and the upper end seating against the upper end of the plunger. The device is actuatable by the thumb and two fingers of one hand. The plunger is depressed, the device is placed over a preexisting puncture site, and the plunger is released wherein the internal spring drives the plunger upwardly and creates a vacuum at the puncture site, allowing the user to easily see the formation of a droplet of adequate size for obtaining the necessary blood reading.
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