Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
42 words
An assembly of a needle shield (6) for a needle channel (10) and a self-sealing diaphragm (5), characterised in that the needle shield is generally cup-shaped and is provided with an aperture (8), said self-sealing diaphragm (5) being retained in the aperture.
Claim 2
Dependent Claim
42 words
An assembly of a needle shield (6) for a needle channel (10) and a self-sealing diaphragm (5), characterised in that the needle shield is generally cup-shaped and is provided with an aperture (8), said self-sealing diaphragm (5) being retained in the aperture.
Claim 3
Dependent Claim
67 words
An assembly of a needle shield (6) for a needle channel (10) and a self-sealing diaphragm (5), characterised in that the needle shield is generally cup-shaped and is provided with an aperture (8), said self-sealing diaphragm being retained in the aperture, and in that the diameter of the aperture (8) approximates to, or is smaller than, the internal diameter of the inlet of the needle channel (10).
Claim 4
Dependent Claim
67 words
An assembly of a needle shield (6) for a needle channel (10) and a self-sealing diaphragm (5), characterised in that the needle shield is generally cup-shaped and is provided with an aperture (8), said self-sealing diaphragm being retained in the aperture, and in that the diameter of the aperture (8) approximates to, or is smaller than, the internal diameter of the inlet of the needle channel (10).
Claim 5
Dependent Claim
52 words
An assembly according to either of the foregoing claims characterised in that the diaphragm (5) is externally disposed about the needle channel (10) and in that the needle shield (6) is provided with a convergent tubular portion adapted to be a push-fit over the external diaphragm (5) and the needle channel (10).
Claim 6
Dependent Claim
39 words
An assembly according to either of claims 1 or 2 characterised in that the diaphragm (5) is internally retained at the entrance to the needle channel (10), by a portion of the needle shield (6) adjacent the aperture (8).
Claim 7
Dependent Claim
23 words
An assembly according to any preceding claim characterised in that the diaphragm (5) is substantially contiguous with the curve of the shield (6).
Claim 8
Dependent Claim
20 words
An assembly according to any preceding claim characterised in that the needle shield (6) is formed of a malleable material.
Claim 9
Dependent Claim
25 words
An assembly according to any preceding claim characterised in that the needle shield (6) is provided at its outermost rim with an inturned rib (7).