Lancet and Lancet Device Including the Same
First Claim
1. A lancet to be attached to a main body portion including a biasing member configured to cause a tip of a puncture needle to protrude in a predetermined puncturing direction, comprising:
- a puncture body including a puncture needle and a connection portion which is formed on an end opposite to the puncture needle and is to be connected to the main body portion;
a case portion including a tubular portion which accommodates the puncture body so as to be movable back and forth in the puncturing direction, and an opening formed on an end of the puncture needle on the side to protrude;
a first fitting portion configured to hold the puncture body in the case portion so as to be immovable back and forth in the puncturing direction when the connection portion of the puncture body is separated from the main body portion.
1 Assignment
0 Petitions
Accused Products
Abstract
In order to provide a lancet which has a simple structure and which can secure safety, in particular, after use, and a lancet device including the same, a lancet (20) includes a casing (22), and a puncture body (23) which is accommodated in the casing (22) so as to be movable in a puncturing direction. For removing the lancet (20) from a main body (30), the lancet (20) has a convex portion (22b) formed on an inner surface (22a) of the casing (22) and a recessed portion (groove (23c)) formed on the puncture body (23), which form fitting for holding the puncture body (23) so as to be immovable in the puncturing direction in the casing (22).
-
Citations
31 Claims
-
1. A lancet to be attached to a main body portion including a biasing member configured to cause a tip of a puncture needle to protrude in a predetermined puncturing direction, comprising:
-
a puncture body including a puncture needle and a connection portion which is formed on an end opposite to the puncture needle and is to be connected to the main body portion; a case portion including a tubular portion which accommodates the puncture body so as to be movable back and forth in the puncturing direction, and an opening formed on an end of the puncture needle on the side to protrude; a first fitting portion configured to hold the puncture body in the case portion so as to be immovable back and forth in the puncturing direction when the connection portion of the puncture body is separated from the main body portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
-
Specification