Injection needle
OwnerAlain Villetteinventor
Life of this patent
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Abstract
The invention relates to an injection needle for injecting a pharmaceutical product into a human or animal body. The needle comprises a tubular body with an end for penetrating into a human or animal body, and having a main bevel and a secondary bevel forming a tip of the needle. The secondary bevel is positioned opposite the main bevel and forms, with the main bevel, a single cutting edge oblique to the longitudinal axis of the tubular body. The cutting edge extends on both sides of a middle plane of the main bevel that passes through the longitudinal axis of the tubular body.
Claims3
An injection needle for injecting a pharmaceutical product into animal tissue, the needle comprising a tubular body having a longitudinal axis and a tissue penetrating end, the tissue penetrating end consisting of
- a main bevel oblique to the longitudinal axis,
- a secondary bevel positioned opposite the main bevel, and
- a tip at which the main bevel and the secondary bevel intersect, the tip having a single linear cutting edge that is oblique to the longitudinal axis and extends on both sides of a medial plane of the main bevel that passes through the longitudinal axis, wherein
- the secondary bevel forms a first angle with the longitudinal axis that is less than ten degrees, and
- the main bevel and the secondary bevel form, between them, a second angle within a range from 15 degrees to 30 degrees.
Dependencies are inferred from the claim text.