US5147356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument
Assignee: Microsurge Inc
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Filing: 1991-04-16
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Granted: 1992-09-15
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Expires: 2011-04-16
Abstract
Abstract The invention provides a surgical instrument having a pair of opposed jaw members, at least one of which jaw members is moveable with respect to the other jaw member. A cutting and/or cauterizing heat source such as a hot wire element and/or laser transmission fiber is carried on at least one of the jaw members.
Inventors
- 👤 Nayantara Bhatta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B18/22; A61B17/00; A61B17/12; A61B17/12009; A61B17/32; A61B17/3201; A61B18/24; A61B17/28; A61B17/2812; A61B2018/00005; A61B2018/00011; A61B2217/00; A61B2217/002; A61B2217/005; A61B2217/007
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
82 words
A surgical instrument comprising a pair of opposed jaw members, at least one of which jaw member is moveable with respect to the other jaw member, and including a heat source operatively disposed on or adjacent at least one of said jaw members for cutting and/or cauterizing during the performance of surgery, wherein said jaw members are dimensioned to receive and hold ligating clips, and wherein said jaw members are moveable between a clip applying open position, and a clip closing position.
Claim 2
Dependent Claim
82 words
A surgical instrument comprising a pair of opposed jaw members, at least one of which jaw member is moveable with respect to the other jaw member, and including a heat source operatively disposed on or adjacent at least one of said jaw members for cutting and/or cauterizing during the performance of surgery, wherein said jaw members are dimensioned to receive and hold ligating clips, and wherein said jaw members are moveable between a clip applying open position, and a clip closing position.
Claim 3
Dependent Claim
31 words
A surgical instrument according to claim 1, wherein the clip applying jaw members are moveable in a plane, and said heat source is disposed to direct heat energy in said plane.
Claim 4
Dependent Claim
19 words
A surgical instrument according to claim 1, wherein at least one of said jaws has a sharpened cutting edge.
Claim 5
Dependent Claim
25 words
A surgical instrument according to claim 3, wherein said heat source comprises an optical fiber waveguide for delivering laser radiation from a laser energy source.
Claim 6
Dependent Claim
29 words
A surgical instrument according to claim 4, wherein at least one of said jaw members is formed of a material transparent to radiation emitted by said laser energy source.
Claim 7
Dependent Claim
21 words
A surgical instrument according to claim 5, wherein said transparent material is selected from the group consisting of quartz and sapphire.
Claim 8
Dependent Claim
14 words
A surgical instrument according to claim 7, wherein said jaws have opposed blunt edges.
Claim 9
Dependent Claim
19 words
A surgical instrument according to claim 1, wherein said cutting and/or cauterizing heat source comprises a hot wire element.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-09-15 | 1996-03-16 | 1996-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-15 | 2000-03-16 | 2000-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-15 | 2004-03-16 | 2004-09-15 | $7700.00 | Window Closed / Lapsed |