Insertion apparatus having a concave surface
AssigneeMedical Instrument Development Laboratories, Inc.
InventorErik W. Peterson
Life of this patent
Estimating the term…
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.
Claims28
An ophthalmic surgical apparatus for inserting a cannula into an incision, the apparatus comprising:
- 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.
A method of inserting an instrument into a scleral incision, the method comprising:
- 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.
A method for placing a device into an opening, the method comprising the steps of:
- 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.
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.
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.
Dependencies are inferred from the claim text.