Surgical cassette loading and unloading system

• US 5,588,815 A
• Filed: 11/15/1995
• Issued: 12/31/1996
• Est. Priority Date: 11/15/1995
• Status: Expired due to Term

• Current Assignee: Alcon Research Limited (Nestle SA)
• Original Assignee: Alcon Laboratories Incorporated (Alcon Incorporated)
• Inventors: Zaleski, Richard L. II
• Primary Examiner(s): FREAY, CHARLES GRANT
• Application Number:
  US08/559,016
• Time in Patent Office: 412 Days
• Field of Search: 417/476, 417/477.1, 417/477.2, 417/477.3, 604/151, 604/153, 604/154, 128/DIG. 12
• US Class Current: 417/477.2
• CPC Class Codes: A61M 1/72 Cassettes forming partially or totally the fluid circuit
• CPC Class Codes: A61M 1/82 Membrane pumps, e.g. bulbs
• CPC Class Codes: A61M 2205/12 with interchangeable cassettes forming partially or totally the fluid circuit
• CPC Class Codes: F04B 43/1253 by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
• CPC Class Codes: Y10S 128/12 Pressure infusion

Abstract

A surgical cassette unloading and unloading system having a peristaltic pump roller head with a flared and beveled notch and a plunger or probe that engages the cassette peristaltic pump tube.

Claims

1. A system for loading and unloading a surgical cassette having a peristaltic pump tube from a cassette receiving portion of a surgical console, comprising:

a) a peristaltic pump roller head having a flared and beveled notch, the roller head being located in the cassette receiving portion of the surgical console; and

b) an extendable cylinder within the cassette receiving portion of the surgical console aligned so as to engage the peristaltic pump tube.

2. A surgical console, comprising:

a) a peristaltic pump roller head having a flared and beveled notch;

b) a cassette having a peristaltic pump tube stretched over the peristaltic pump roller head; and

c) an extendable cylinder aligned so as to engage the peristaltic pump tube.