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US 7,682,341 B2Granted
Indwelling needle
AssigneeMedikit Co., Ltd.
InventorHiroaki Nakajima
Life of this patent
Estimating the term…
Abstract
An indwelling needle is provided with an inner needle hub; an inner needle fixedly supported by the inner needle hub; a cover configured to cover the inner needle after use; and a flexible blood monitor being absorptive to blood, an end of which is linked with the inner needle hub.
Claims10
An indwelling needle comprising:
- an inner needle hub;
- an inner needle fixedly supported by the inner needle hub;
- a cover configured to cover the inner needle after use;
- and
- a flexible blood monitor being absorptive to blood and including one selected from the group consisting of a string, a line and a fiber, the blood monitor having an end linked with the inner needle hub and extending from the inner needle hub,
- wherein the cover comprises an outer cylinder and an inner cylinder, the inner cylinder being axially movably housed in the outer cylinder and detachably supporting the inner needle hub so that the inner cylinder is capable of projecting out of the outer cylinder and the inner needle is capable of receding into the outer cylinder.
3 more elements
An indwelling needle comprising:
- an inner needle hub;
- an inner needle fixedly supported by the inner needle hub;
- a cover configured to cover the inner needle after use;
- a flexible blood monitor being absorptive to blood and including one selected from the group consisting of a string, a line and a fiber, the blood monitor having an end linked with the inner needle hub and extending from the inner needle hub;
- and
- a plug configured to fix the blood monitor with the inner needle hub, the plug fixedly located inside of and at a proximal end of the inner needle hub, the plug being capable of regulating the tightness of fixation of the blood monitor with the inner needle hub so as to regulate the quickness of the spread of the blood,
- wherein the cover comprises an outer cylinder and an inner cylinder and wherein the blood monitor takes a first position at which the blood monitor extends through the inner cylinder and beyond one end of the inner cylinder and a second position at which the blood monitor is disposed adjacent to one end of the outer cylinder in a reduced length from an original size.
4 more elements
An indwelling needle comprising:
- an inner needle hub;
- an inner needle fixedly supported by the inner needle hub;
- a cover configured to cover the inner needle after use;
- and
- a flexible blood monitor being absorptive to blood and including one selected from the group consisting of a string, a line and a fiber, the blood monitor having an end linked with the inner needle hub and extending from the inner needle hub, line and a fiber, the blood monitor having an end linked with the inner needle hub and extending from the inner needle hub,
- wherein the cover comprises an outer cylinder and an inner cylinder, the inner cylinder being axially movably housed in the outer cylinder and detachably supporting the inner needle hub so that the inner cylinder is capable of projecting out of the outer cylinder and the inner needle is capable of receding into the outer cylinder, and
- wherein the flexible blood monitor extends through the inner cylinder and beyond a proximal end of the inner cylinder.
4 more elements
Dependencies are inferred from the claim text.