INSERTION APPARATUS HAVING A CONCAVE SURFACE
First Claim
Patent Images
1. An ophthalmic surgical apparatus for inserting a cannula into an incision, the apparatus comprising:
- a needle extending in an axial direction, the needle havinga manipulation portion disposed at a first end of the needle; and
an insertion portion disposed at a second end of the needle, the insertion portion including;
a receiving side, the receiving side having a concave surface; and
a tip.
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Accused Products
Abstract
An ophthalmic surgical apparatus for inserting a cannula into an incision. In one embodiment, the apparatus includes a needle extending in an axial direction. The needle has a manipulation portion disposed at a first end of the needle and an insertion portion disposed at a second end of the needle. The insertion portion includes a receiving side, and the receiving side has a concave surface and a tip. In one embodiment, the insertion portion has an s-curve shape.
21 Citations
28 Claims
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1. An ophthalmic surgical apparatus for inserting a cannula into an incision, the apparatus comprising:
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a needle extending in an axial direction, the needle having a manipulation portion disposed at a first end of the needle; and an insertion portion disposed at a second end of the needle, the insertion portion including; a receiving side, the receiving side having a concave surface; and a tip. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of inserting an instrument into a scleral incision, the method comprising:
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making a scleral incision with a cutting implement; receiving a convex surface of the cutting implement onto a concave surface of an insertion apparatus; inserting a tip of the insertion apparatus into the scleral incision by movement along the cutting implement; removing the cutting implement from the scleral incision; advancing the insertion apparatus fully into the scleral incision; and removing the insertion apparatus from the scleral incision. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for placing a device into an opening, the method comprising the steps of:
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creating an opening with a cutting implement; receiving a convex surface of the cutting implement onto a concave surface of an insertion apparatus for placing the device into the opening; inserting a needle of the insertion apparatus into the opening; removing the cutting implement from the opening; placing the device into the opening; and removing the insertion apparatus from the opening. - View Dependent Claims (16, 17, 18, 19)
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20. An apparatus for placing a device in an opening, the apparatus comprising:
a hollow needle having a first end and a second end, the needle having a manipulation portion at the first end of the needle; and an s-curve shaped insertion portion at the second end of the needle, the s-curve shaped insertion portion comprising; a concave receiving surface; and a tip. - View Dependent Claims (21, 22, 23)
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24. A surgical kit comprising
a knife having a convex portion and a cutting edge; - and
an insertion apparatus, the insertion apparatus including a hollow needle having first and second ends, a manipulation portion at the first end of the needle and an insertion portion at the second end of the needle, the insertion portion having a concave surface sized and shaped to receive the convex portion of the knife and a tip. - View Dependent Claims (25, 26, 27, 28)
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Specification