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US 10,238,840 B2Granted
Catheter assembly
AssigneeTerumo Kabushiki Kaisha
InventorMasahiro Ishida
Life of this patent
Estimating the term…
Abstract
A catheter assembly includes a hollow catheter; a catheter hub configured to fix and hold the catheter; an inner needle including a needle tip and configured to be removably inserted through an inside of the catheter; a needle hub configured to fix and hold the inner needle; and a catheter operation member capable of moving the catheter relative to the inner needle. The catheter operation member includes a holding portion configured to directly hold the catheter in a detachable manner.
Claims20
A catheter assembly, comprising:
- a hollow catheter;
- a catheter hub configured to fix and hold the catheter;
- an inner needle including a needle tip and configured to be removably inserted through an inside of the catheter;
- a needle hub configured to fix and hold the inner needle;
- and
- a catheter operation member capable of moving the catheter relative to the inner needle,
- wherein the catheter operation member includes a holding portion configured to directly hold the catheter in a detachable manner.
4 more elements
A method of using a catheter assembly, the method comprising:
- providing a catheter assembly comprising:
- a hollow catheter,
- a catheter hub configured to fix and hold the catheter,
- an inner needle including a needle tip and configured to be removably inserted through an inside of the catheter,
- a needle hub configured to fix and hold the inner needle, and
- a catheter operation member capable of moving the catheter relative to the inner needle,
- wherein the catheter operation member includes a holding portion configured to directly hold the catheter in a detachable manner;
- puncturing skin of an individual with the inner needle and the catheter while the needle is located inside the catheter and the holding portion directly holds the catheter;
- advancing the catheter relative to the inner needle so as to insert the catheter into a blood vessel of the individual, by sliding the catheter operation member in a distal end direction relative to the needle hub while the holding portion directly holds the catheter;
- retracting the inner needle and the needle hub;
- and
- separating the catheter operation member from the catheter and the catheter hub.
9 more elements
Dependencies are inferred from the claim text.