公开(公告)号：US20230157873A1

公开(公告)日：2023-05-25

申请号：US18151600

申请日：2023-01-09

Applicant: Alcon Inc.

Inventor： Jose Luis Lopez ,  Matthew Douglas McCawley ,  Brian William McDonell ,  Timothy C. Ryan ,  John R. Underwood ,  Salomon Valencia ,  Jack Robert Auld

IPC: A61F9/007

CPC classification number: A61F9/00763 ,  A61F9/00736 ,  A61B2017/00561

Abstract: In some embodiments, a vitrectomy probe may include an inner cutting tube reciprocating in an outer tube. The outer tube includes a side port and the inner tube includes a distal cutting port, and, in some embodiments, an additional side port. In some embodiments, the inner tube may also include a flat upper edge that cuts across the outer tube side port. In some embodiments, a diaphragm drives the inner tube and may have an open-stroke side with a lower hardness material than a closed-stroke side. In some embodiments, an aspiration tube coupled to the vitrectomy probe may include a first aspiration tubing and a second aspiration tubing with a lower hardness than the first aspiration tubing. In some embodiments, the vitrectomy probe may be coupled to pneumatic tubing that is stepped or tapered.

公开(公告)号：US20200281769A1

公开(公告)日：2020-09-10

申请号：US16835666

申请日：2020-03-31

Applicant: Alcon Inc.

Inventor： Jose Luis Lopez ,  Matthew Douglas McCawley ,  Brian William McDonell ,  Timothy C. Ryan ,  John R. Underwood ,  Salomon Valencia ,  Jack Robert Auld

IPC: A61F9/007

Abstract: In some embodiments, a vitrectomy probe may include an inner cutting tube reciprocating in an outer tube. The outer tube includes a side port and the inner tube includes a distal cutting port, and, in some embodiments, an additional side port. In some embodiments, the inner tube may also include a flat upper edge that cuts across the outer tube side port. In some embodiments, a diaphragm drives the inner tube and may have an open-stroke side with a lower hardness material than a closed-stroke side. In some embodiments, an aspiration tube coupled to the vitrectomy probe may include a first aspiration tubing and a second aspiration tubing with a lower hardness than the first aspiration tubing. In some embodiments, the vitrectomy probe may be coupled to pneumatic tubing that is stepped or tapered.