Patent US5290281A successfully refreshed from Google Patents.
US5290281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical system
Assignee: Medicon
•
Filing: 1992-06-15
•
Granted: 1994-03-01
•
Expires: 2012-06-15
Abstract
Abstract A surgical system including: (1) a thermoplastic, body absorbable, bodily tissue fixation plate having a plurality of formations and a plurality of through-bores arranged in alternating relation along with plate; (2) body absorbable fasteners adapted for insertion into the through-bores to secure the plate to underlying bodily tissue; and (3) heating apparatus including a wand having a heating tip of a configuration adapted to substantially matingly cooperate with the formations to facilitate heating and bending of the plate into conformance with the underlying bodily tissue.
Inventors
- 👤 Alexander Tschakaloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:38
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/56; A61B17/58; A61B17/68; A61B17/80; A61B17/8085; A61B17/88; A61B17/8863; A61B2017/00004; Y; Y10; Y10S; Y10S606/00; Y10S606/907; Y10S606/908
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
56 words
A surgical system comprising: a thermoplastic, body absorbable, bodily tissue fixation plate having at least one depression thereon; body absorbable means for fastening said plate to bodily tissue; and heating apparatus including a wand having a heating tip of a truncated, substantially convex spherical shape adapted to substantially matingly cooperate with said at least one depression.
Claim 2
Dependent Claim
56 words
A surgical system comprising: a thermoplastic, body absorbable, bodily tissue fixation plate having at least one depression thereon; body absorbable means for fastening said plate to bodily tissue; and heating apparatus including a wand having a heating tip of a truncated, substantially convex spherical shape adapted to substantially matingly cooperate with said at least one depression.
Claim 3
Dependent Claim
12 words
The system of claim 1 wherein said fastening means comprise screw fasteners.
Claim 4
Dependent Claim
23 words
The system of claim 2 wherein said screw fasteners include threading having an outer threading diameter of no greater than about 2.0 mm.
Claim 5
Dependent Claim
17 words
The system of claim 3 wherein said outer threading diameter is no greater than about 1.4 mm.
Claim 6
Dependent Claim
22 words
The system of claim 1 wherein said plate includes a plurality of through-bores wherein said fastening means are insertable into said through-bores.
Claim 7
Dependent Claim
19 words
The system of claim 5 wherein said at least one depression is situated between a pair of said through-bore.
Claim 8
Dependent Claim
16 words
The system of claim 5 wherein said at least one depression comprises a plurality of depressions.
Claim 9
Dependent Claim
19 words
The system of claim 7 wherein said through-bores and said depressions are arranged in alternating relation along said plate.
Claim 10
Dependent Claim
18 words
The system of claim 1 wherein said at least one depression has a truncated, substantially concave spherical shape.
Claim 11
Dependent Claim
28 words
The system of claim 9 wherein the radius of curvature of said heating tip and the radius of curvature of said at least one depression are substantially equal.
Claim 12
Dependent Claim
32 words
The system of claim 1 wherein the radius of curvature of said heating tip and the radius of curvature of said at least one depression are no greater than about 1.5 mm.
Claim 13
Dependent Claim
25 words
The system of claim 11 wherein said heating wand comprises a substantially cylindrical member having an outer diameter of no greater than about 3 mm.
Claim 14
Dependent Claim
65 words
The system of claim 12 wherein said heating wand comprises a first electrical conductor operating as a first electrode, a second electrical conductor operating as a second electrode, insulating material isolating said first and second conductors and formed into said truncated, substantially convex spherical shape at said heating tip, and electrically conductive material covering said heating tip and electrically connecting said first and second conductors.
Claim 15
Dependent Claim
18 words
The system of claim 13 wherein said electrically conductive material comprises a metal layer coating said heating tip.
Claim 16
Dependent Claim
15 words
The system of claim 13 wherein said electrically conductive material comprises an electrically conductive fabric.
Claim 17
Dependent Claim
15 words
The system of claim 12 wherein said heating wand further comprises an internal temperature probe.
Claim 18
Dependent Claim
79 words
The system of claim 1 wherein said heating apparatus further comprises means for adjusting the temperature of said heating tip, means for indicating a temperature status of said heating tip, and means for monitoring the temperature of said heating tip in relation to a predetermined heating tip temperature established by said means for adjusting and for controlling heating of said heating tip and operation of said means for indicating a temperature status in response to monitored heating tip temperature.
Claim 19
Independent Claim
165 words
A method of installing a thermoplastic, body absorbable, bodily tissue fixation plate to bodily tissue, said plate including a plurality of through-bores for receiving fasteners for attaching said plate to said bodily tissue and a plurality of depressions arranged in alternating relation with said through-bores along said plate, said method comprising the steps of: (a) securing said plate to said bodily tissue with a first of said fasteners inserted through a first of said through-bores; (b) heating one of said depressions with a heating tip of a heating apparatus wand, said heating tip having a truncated, substantially convex spherical shape adapted to substantially matingly cooperate with said depressions; (c) bending said plate to conform to said bodily tissue; (d) securing said plate to said bodily tissue with another of said fasteners inserted through another of said through-bores; and (e) sequentially repeating steps (b) through (d) until said plate is secured to said bodily tissue via fasteners inserted through substantially all available ones of said through-bores.
Claim 20
Independent Claim
165 words
A method of installing a thermoplastic, body absorbable, bodily tissue fixation plate to bodily tissue, said plate including a plurality of through-bores for receiving fasteners for attaching said plate to said bodily tissue and a plurality of depressions arranged in alternating relation with said through-bores along said plate, said method comprising the steps of: (a) securing said plate to said bodily tissue with a first of said fasteners inserted through a first of said through-bores; (b) heating one of said depressions with a heating tip of a heating apparatus wand, said heating tip having a truncated, substantially convex spherical shape adapted to substantially matingly cooperate with said depressions; (c) bending said plate to conform to said bodily tissue; (d) securing said plate to said bodily tissue with another of said fasteners inserted through another of said through-bores; and (e) sequentially repeating steps (b) through (d) until said plate is secured to said bodily tissue via fasteners inserted through substantially all available ones of said through-bores.
References Cited (Backward Citations)
US1609920A
Cited
US2472144A
Cited
US2547437A
Cited
US3494364A
Cited
US4093491A
Cited
US3851145A
Cited
US3900714A
Cited
US4060089A
Cited
US4074110A
Cited
US4186448A
Cited
EP0013862A1
Cited
US4428376A
Cited
US4484055A
Cited
US4523591A
Cited
US4539981A
Cited
US4696300A
Cited
US4645503A
Cited
US4903691A
Cited
EP0260222A2
Cited
US4898186A
Cited
US4724839A
Cited
US4905680A
Cited
EP0266146A2
Cited
EP0290138A2
Cited
US5169400A
Cited
US4944742A
Cited
US5108399A
Cited
WO1990007304A1
Cited
EP0390613A1
Cited
US4959065A
Cited
US4986875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-02-28 | 1997-08-30 | 1998-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-02-28 | 2001-08-30 | 2002-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-02-28 | 2005-08-30 | 2006-03-01 | $7700.00 | Window Closed / Lapsed |