| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a microcannula that can access and be advanced into very small structures or channels in an eye to perform minimally invasive procedures, and can deliver fluid, gas, suction, and energy to select regions of the eye in ophthalmic surgery. <P>SOLUTION: The microcannula is constructed with multiple components in a composite structure, allowing the microcannulae to have varying mechanical and delivery properties that enables ophthalmic treatments by a minimally invasive means. The microcannula includes at least one flexible, tubular communicating element with an outer diameter of 350μm or less, a proximal connector for introduction of materials, energy, or tools. The microcannula may also include a reinforcing member attached to the communicating element, which may be constructed to create variable stiffness along the length of the microcannula. The microcannula may also include other features such as a signal beacon near the distal tip. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
