US5195507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endoscopic surgical instrument for displacing tissue or organs
Assignee: Ethicon Inc
•
Filing: 1991-11-04
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Granted: 1993-03-23
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Expires: 2011-11-04
Abstract
Abstract A surgical instrument, in particular for endoscopic surgery, the instrument comprising a tube designed to be connected at its distal end to inflation/deflation means and provided at its proximal end with an inflatable spatula which communicates with the inflation/deflation means via a tube.
Inventors
- 👤 Joseph Bilweis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:45
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/012; A61B1/018; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00082; A61B1/00147; A61B1/00154; A61B17/00; A61B17/00234; A61B17/02; A61B17/0218; A61B2017/00535; A61B2017/00557
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
135 words
A surgical instrument for endoscopic surgery, the instrument comprising a tube having a proximal end and distal end, inflation/deflation means comprising a bulb connected in a sealed manner to the distal end of the tube, and an inflatable fan-shaped spatula connected to said tube at its proximal end, said spatula being used for displaying tissues or organs and communicating with the inflation/deflation means via said tube, said tube placed in a cannula and extending at its distal end out of the cannula, said spatula made from two main sheets which are generally parallel to each other in the inflated state and which are connected together at their peripheries by a transverse connecting wall, said spatula being able to be received in a retracted position inside said cannula and said spatula provided with lines of stiffening.
Claim 2
Dependent Claim
135 words
A surgical instrument for endoscopic surgery, the instrument comprising a tube having a proximal end and distal end, inflation/deflation means comprising a bulb connected in a sealed manner to the distal end of the tube, and an inflatable fan-shaped spatula connected to said tube at its proximal end, said spatula being used for displaying tissues or organs and communicating with the inflation/deflation means via said tube, said tube placed in a cannula and extending at its distal end out of the cannula, said spatula made from two main sheets which are generally parallel to each other in the inflated state and which are connected together at their peripheries by a transverse connecting wall, said spatula being able to be received in a retracted position inside said cannula and said spatula provided with lines of stiffening.
Claim 3
Dependent Claim
24 words
An instrument according to claim 1, wherein the tube, the inflatable spatula, and the bulb are made in the form of a single piece.
Claim 4
Dependent Claim
14 words
An instrument according to claim 2, wherein the inflatable spatula is made of rubber.
Claim 5
Dependent Claim
22 words
An instrument according to claim 1, wherein the tube, the inflatable spatula, and the bulb are made separate and then assembled together.
Claim 6
Dependent Claim
14 words
An instrument according to claim 4, wherein the inflatable spatula is made of rubber.
Claim 7
Dependent Claim
14 words
An instrument according to claim 1, wherein the inflatable spatula is made of rubber.
Claim 8
Dependent Claim
17 words
An instrument according to claim 6, wherein the lines of stiffening are integrally molded with the spatula.
Claim 9
Dependent Claim
21 words
An instrument according to claim 1, wherein the lines of stiffening are made separate and then assembled to the inflatable spatula.
References Cited (Backward Citations)
US6796A
Cited
US157343A
Cited
US318535A
Cited
US734498A
Cited
US901376A
Cited
US923303A
Cited
US1213005A
Cited
US2032859A
Cited
US3841304A
Cited
US3841317A
Cited
US3863639A
Cited
GB2071502A
Cited
US4744363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-03-22 | 1996-09-21 | 1997-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-03-22 | 2000-09-21 | 2001-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-03-22 | 2004-09-21 | 2005-03-23 | $7700.00 | Window Closed / Lapsed |