Ceramic injection needle
First Claim
Patent Images
1. A needle for handling a fluid in an analysis system, the needle comprising:
- a needle body made of a ceramic material and having a fluid conduit extending between a fitting end and a seat end, the fitting end being connectable to a fitting and the seat end is configured to be inserted into a seat, wherein the needle body is tapering towards the fitting end;
a fixing body arranged on the needle body next to the fitting end for exerting an axial force when the needle body is connected to the fitting, wherein the fixing body tapers towards the tapering of the needle body;
a slide-on element to be slid over the needle body so as to push the fixing body towards the fitting end; and
a springloading element-arranged over the needle body between the fixing body and the slide-on element.
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Abstract
A needle for handling a fluid in an analysis system is described. The needle includes a needle body made of a ceramic material and having a fluid conduit extending between a fitting end and a seat end. The fitting end is configured to be connected to a fitting and the seat end (308) being insertable into a seat. The needle body is tapering towards the fitting end. A fixing body is arranged on the needle body next to the fitting end for exerting an axial force when the needle body is connected to the fitting, and a slide-on element to be slid over the needle body so as to push the fixing body towards the fitting end.
29 Citations
21 Claims
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1. A needle for handling a fluid in an analysis system, the needle comprising:
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a needle body made of a ceramic material and having a fluid conduit extending between a fitting end and a seat end, the fitting end being connectable to a fitting and the seat end is configured to be inserted into a seat, wherein the needle body is tapering towards the fitting end; a fixing body arranged on the needle body next to the fitting end for exerting an axial force when the needle body is connected to the fitting, wherein the fixing body tapers towards the tapering of the needle body; a slide-on element to be slid over the needle body so as to push the fixing body towards the fitting end; and a springloading element-arranged over the needle body between the fixing body and the slide-on element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A needle for handling a fluid in an analysis system, the needle comprising:
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a needle body made of a ceramic material and having a fluid conduit extending between a fitting end and a seat end, the fitting end being connectable to a fitting and the seat end is configured to be inserted into a seat, wherein the needle body is tapering towards the fitting end; a fixing body arranged on the needle body next to the fitting end for exerting an axial force when the needle body is connected to the fitting; a slide-on element to be slid over the needle body so as to push the fixing body towards the fitting end, wherein the slide-on element has a tubular shape with an inner lumen for receiving the needle body and with an external thread, for cooperation with a needle body fastener of a reception of the fitting; and a springloading element arranged over the needle body between the fixing body and the slide-on element. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification