Blood sampling devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 26, 1989
Grant Date -
N/A
app pub date -
May 2, 1988
filing date -
May 1, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disposable pricker has a body (1,2) lance (4) spring (3) and cap (13) integrally moulded in plastics, the cap being subsequently separable. The lance tip (5) is a needle embedded in the moulding and relatively inaccessible within the body. Formations (17) within the cap compress the spring (3) as the cap is fitted until they are flexed aside by co-operation with abutments (7) within the body. The lance (4) is released and shoots forward for the tip (5) momentarily to project proud of the cap (13). The latter is made captive to the lance (4) during this movement and cannot be removed to repeat the operation. The lance tip (5) thus remains concealed within the cap (13). In another capless version, squeezing the body (31) wedges the lance (36) back until it escapes and is shot forward by a spring (38). On recovery within the body, the lance is blocked from reverting to the position where it can be re-actuated.
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Cited Art Landscape
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