Puncture device
First Claim
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1. In a puncture device puncturing a skin by a puncture needle, the puncture device comprising:
- a device main body having a contact surface which contacts said skin;
a puncture needle having a curvature portion of a predetermined curvature radius; and
a puncture needle moving means provided in said device main body for moving said puncture needle along a circular trajectory which said curvature radius draws so as to puncture said skin.
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Abstract
A puncture device which can stick a puncture needle certainly to a predetermined region of a skin includes a puncture needle having a curvature portion, a retaining member retaining the puncture needle, an indwelling device adapted to be indwelled in a living body by way of the puncture needle, and a guide member mounted at a predetermined position of a body surface. The puncture needle is adapted to be stuck into the skin along the guide member.
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Citations
13 Claims
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1. In a puncture device puncturing a skin by a puncture needle, the puncture device comprising:
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a device main body having a contact surface which contacts said skin;
a puncture needle having a curvature portion of a predetermined curvature radius; and
a puncture needle moving means provided in said device main body for moving said puncture needle along a circular trajectory which said curvature radius draws so as to puncture said skin.
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2. In a puncture device puncturing a skin by a puncture needle, the puncture device comprising:
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a puncture needle having a curvature portion;
a retaining member retaining the puncture needle;
an indwelling device indwelled in a living body by said puncture needle; and
a guide member mounted at a predetermined position of a body surface, wherein said puncture needle is to be stuck to said skin along said guide member. - View Dependent Claims (3, 4, 10)
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5. In a puncture device puncturing a skin by a puncture needle, the puncture device comprising:
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a hollow puncture needle having a curvature portion;
a retaining member retaining this puncture needle;
an indwelling device indwelled in a living body by said puncture needle;
a fixing member for fixing said indwelling device; and
a guide member mounted at a predetermined position of the body surface, wherein said puncture needle punctures said skin along said guide member. - View Dependent Claims (6, 7, 11)
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8. In a puncture device puncturing a skin by a puncture needle, the puncture device comprising:
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a puncture needle having a curvature portion;
a retaining member retaining this puncture needle; and
a guide member mounted at a predetermined position of a body surface, wherein said puncture needle punctures said skin along said guide member. - View Dependent Claims (9, 12)
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13. In a puncture method puncturing a skin by a puncture needle, the puncture method using:
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a device main body having a contact surface which contacts said skin;
a puncture needle having a curvature portion of a predetermined curvature radius; and
a puncture needle moving means provided in said device main body, comprising said puncture needle is made by said puncture needle moving means to move along a circular trajectory which said curvature radius draws so as to puncture said skin.
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Specification