CA2303355A1 - Improved method and apparatus for reducing friction and heat generation by an ultrasonic device during surgery - Google Patents
Improved method and apparatus for reducing friction and heat generation by an ultrasonic device during surgery Download PDFInfo
- Publication number
- CA2303355A1 CA2303355A1 CA002303355A CA2303355A CA2303355A1 CA 2303355 A1 CA2303355 A1 CA 2303355A1 CA 002303355 A CA002303355 A CA 002303355A CA 2303355 A CA2303355 A CA 2303355A CA 2303355 A1 CA2303355 A1 CA 2303355A1
- Authority
- CA
- Canada
- Prior art keywords
- during surgery
- reducing friction
- heat generation
- device during
- improved method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
Abstract
A surgical instrument for removing tissue, such as a cataract, from a patient's body includes a hollow vibrating needle surrounded by one or two hollow infusion sleeves. Reducing friction between the surface(s) of the sleeve(s) and the outer surface of the needle and/or surrounding ocular tissue dramatically reduces the amount of heat generated during surgery, thus reducing the possibility of thermal damage to tissue.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/400,802 | 1995-03-08 | ||
US08/400,802 US5505693A (en) | 1994-12-30 | 1995-03-08 | Method and apparatus for reducing friction and heat generation by an ultrasonic device during surgery |
CA002214566A CA2214566C (en) | 1995-03-08 | 1996-03-06 | Improved method and apparatus for reducing friction and heat generation by an ultrasonic device during surgery |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002214566A Division CA2214566C (en) | 1995-03-08 | 1996-03-06 | Improved method and apparatus for reducing friction and heat generation by an ultrasonic device during surgery |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2303355A1 true CA2303355A1 (en) | 1996-09-12 |
CA2303355C CA2303355C (en) | 2001-05-29 |
Family
ID=25679590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002303355A Expired - Lifetime CA2303355C (en) | 1995-03-08 | 1996-03-06 | Improved method and apparatus for reducing friction and heat generation by an ultrasonic device during surgery |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2303355C (en) |
-
1996
- 1996-03-06 CA CA002303355A patent/CA2303355C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2303355C (en) | 2001-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20160307 |