Safety lancet
First Claim
1. A safety lancet device, comprisinga housing having a side hole and a front opening;
- an actuating unit disposed on an outer surface of the housing;
a needle unit disposed inside the housing, the needle unit including;
a needle corresponding to the front opening;
a flex pin corresponding to the side hole, one end of the flex pin extending into the side hole to locate the needle unit at a first position; and
a blocking pin;
a blocking unit, disposed inside the housing, corresponding to the blocking pin to allow the needle unit to forwardly pass through the blocking unit and prevent the needle unit from backwardly passing through the blocking unit; and
an elastic unit connecting the needle unit and the housing;
wherein when an external force is exerted on the actuating unit, the actuating unit pushes the flex pin passing through the side hole and the elastic unit pushes the needle unit passing through the block unit to a second position.
1 Assignment
0 Petitions
Accused Products
Abstract
A safety lancet includes a housing, an actuating unit, a needle unit, a blocking unit and an elastic unit. The housing has a side hole and a front opening. The actuating unit is disposed on an outer surface of the housing. The needle unit, including a needle, a flex pin and a blocking pin, is disposed inside the housing. The needle corresponds to the front opening and the flex pin corresponds to the side hole. One end of the flex pin extends into the side hole to position the needle unit at a first position. The blocking unit is disposed inside the housing and corresponds to the blocking pin to allow the needle unit to forwardly pass through the blocking unit and prevent the needle unit from backwardly passing through the blocking unit.
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Citations
8 Claims
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1. A safety lancet device, comprising
a housing having a side hole and a front opening; -
an actuating unit disposed on an outer surface of the housing; a needle unit disposed inside the housing, the needle unit including; a needle corresponding to the front opening; a flex pin corresponding to the side hole, one end of the flex pin extending into the side hole to locate the needle unit at a first position; and a blocking pin; a blocking unit, disposed inside the housing, corresponding to the blocking pin to allow the needle unit to forwardly pass through the blocking unit and prevent the needle unit from backwardly passing through the blocking unit; and an elastic unit connecting the needle unit and the housing; wherein when an external force is exerted on the actuating unit, the actuating unit pushes the flex pin passing through the side hole and the elastic unit pushes the needle unit passing through the block unit to a second position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification