Lancet device
First Claim
1. A lancet device for lancing skin with a lancing needle of a lancet, said lancet device comprising:
- a housing;
a lancet holder-within said housing engageable with said lancet and moveable along a longitudinal axis of said housing;
a cam having an end surface engageable with said lancet holder;
cocking structure;
biasing means between said cocking structure and said cam; and
a trigger engageable with said cam for preventing the rotation of said cam during actuation of said cocking structure, said actuation of said cocking structure causing said biasing means to become loaded between said cam and said cocking structure wherein upon disengagement of said trigger from said cam, said cam rotates, said rotation of said cam causing said lancet holder to move generally along said longitudinal axis of said housing.
1 Assignment
0 Petitions
Accused Products
Abstract
A lancet device for lancing skin with a lancing needle of a lancet. The lancet device includes a housing and a lancet holder within the housing which is engageable with the lancet and moveable along a longitudinal axis of the housing. The device also includes a cam which has an end surface engageable with the lancet holder, cocking structure, biasing means between the cocking structure and the cam, and a trigger which is engageable with the cam for preventing rotation of the cam during actuation of the cocking structure. Actuation of the cocking structure causes the biasing means to become loaded between the cam and cocking structure, wherein upon disengagement of the trigger from the cam, the cam rotates, causing the lancet holder to move generally along the longitudinal axis of the housing. The lancet holder includes a cam follower member which contacts the end surface of the cam. The cam follower member rides along the end surface of the cam when the cam rotates in the housing.
132 Citations
22 Claims
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1. A lancet device for lancing skin with a lancing needle of a lancet, said lancet device comprising:
- a housing;
a lancet holder-within said housing engageable with said lancet and moveable along a longitudinal axis of said housing;
a cam having an end surface engageable with said lancet holder;
cocking structure;
biasing means between said cocking structure and said cam; and
a trigger engageable with said cam for preventing the rotation of said cam during actuation of said cocking structure, said actuation of said cocking structure causing said biasing means to become loaded between said cam and said cocking structure wherein upon disengagement of said trigger from said cam, said cam rotates, said rotation of said cam causing said lancet holder to move generally along said longitudinal axis of said housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
- a housing;
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20. A lancet device for lancing skin with a lancing needle of a lancet, said lancet device comprising:
- a housing;
a lancet holder within said housing engageable with said lancet and moveable along a longitudinal axis of said housing, said lancet holder including at least one cam follower member;
a cam having an end surface;
biasing means engaged with said housing and said lancet holder, said biasing means pressing said cam follower member into engagement with said end surface of said cam, said end surface of said cam including alternating crests and valleys along which said cam follower member rides upon rotation of said cam thereby causing said lancet holder to move generally along said longitudinal axis of said housing. - View Dependent Claims (21, 22)
- a housing;
Specification