US4580561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interstitial implant system
Assignee: Individual
•
Filing: 1984-05-04
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Granted: 1986-04-08
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Expires: 2004-05-04
Abstract
Abstract An interstitial implant system for implanting surgical instruments in body tissue comprises a planning bridge and an implant needle applicator. The planning bridge includes a pair of parallel plates positioned one on each side of the body tissue having corresponding matrices of apertures engageable by marking instruments for marking entry and exit points in the tissue thereby determining a series of linear paths. A thumb-slide actuated needle applicator has a tubular needle injector and semicircular arm providing an entry point and a target point which rest, respectively, upon the previously marked body tissue. By holding the applicator at both points, a needle inserted therein will follow the path previously determined by the entry and exit points.
Inventors
- 👤 Theodore J. Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:35
CPC Classifications
A; A61; A61N; A61N5/00; A61N5/10; A61N5/1001; A61N5/1007; A61B; A61B17/00; A61B17/34; A61B17/3403; A61B90/00; A61B90/10; A61B90/14; A61B90/17; A61N1/00; A61N1/02; A61N2005/1012; A61N5/1027
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
112 words
An implant planning bridge for defining a plurality of linear paths through a section of body tissue comprising: (a) a first planar surface having a matrix of apertures; (b) a second planar surface having a matrix of apertures corresponding to the matrix in the first planar surface; (c) means for positioning said surfaces relative to one another, one on each side of the body tissue, such that a straight linear path from an aperture on one surface to its corresponding aperture in the other surface is perpendicular to both surfaces; and (d) means for supporting said first and second planar surfaces relative to said body tissue and independently of said body tissue.
Claim 2
Dependent Claim
112 words
An implant planning bridge for defining a plurality of linear paths through a section of body tissue comprising: (a) a first planar surface having a matrix of apertures; (b) a second planar surface having a matrix of apertures corresponding to the matrix in the first planar surface; (c) means for positioning said surfaces relative to one another, one on each side of the body tissue, such that a straight linear path from an aperture on one surface to its corresponding aperture in the other surface is perpendicular to both surfaces; and (d) means for supporting said first and second planar surfaces relative to said body tissue and independently of said body tissue.
Claim 3
Dependent Claim
34 words
The implant planning bridge of claim 1 wherein said positioning means includes a pair of parallel rods slideably engaged by both planar surfaces, said rods providing support for at least one of said surfaces.
Claim 4
Dependent Claim
29 words
The implant planning bridge of claim 2 wherein the positioning means further includes universal joint means for adjusting the position of the planar surfaces relative to the body tissue.
Claim 5
Dependent Claim
102 words
Apparatus for planning the implantation of body tissue by a surgical instrument comprising: (a) a base located beneath the body tissue; (b) a track extending along an edge parallel to said base; (c) a support post adapted to slidably engage said track and capable of movement thereon; (d) universal joint means adapted to slidably engage said post, said means including means for simultaneously providing five degrees of freedom of movement for a bridge means; and (e) wherein said bridge means is connected by a support rod to said universal joint means for defining a plurality of linear paths through said body tissue.
Claim 6
Dependent Claim
102 words
Apparatus for planning the implantation of body tissue by a surgical instrument comprising: (a) a base located beneath the body tissue; (b) a track extending along an edge parallel to said base; (c) a support post adapted to slidably engage said track and capable of movement thereon; (d) universal joint means adapted to slidably engage said post, said means including means for simultaneously providing five degrees of freedom of movement for a bridge means; and (e) wherein said bridge means is connected by a support rod to said universal joint means for defining a plurality of linear paths through said body tissue.
Claim 7
Dependent Claim
20 words
The apparatus of claim 4 wherein said bridge means includes a pair of parallel plates having corresponding matrices of apertures.
Claim 8
Independent Claim
114 words
A method of planning the implantation of body tissue by a surgical instrument comprising the steps of: (a) positioning one each of a pair of parallel planar surfaces having corresponding matrices of apertures defining a series of rectilinear paths between said surfaces on each side of the body tissue to be implanted; (b) marking an entry point for the surgical instrument on one side of the body tissue by inserting a marking instrument through an aperture in one of said planar surfaces; and (c) marking an exit point for the surgical instrument on the other side of the body tissue by inserting a marking instrument in the corresponding aperture on the opposite planar surface.
Claim 9
Independent Claim
114 words
A method of planning the implantation of body tissue by a surgical instrument comprising the steps of: (a) positioning one each of a pair of parallel planar surfaces having corresponding matrices of apertures defining a series of rectilinear paths between said surfaces on each side of the body tissue to be implanted; (b) marking an entry point for the surgical instrument on one side of the body tissue by inserting a marking instrument through an aperture in one of said planar surfaces; and (c) marking an exit point for the surgical instrument on the other side of the body tissue by inserting a marking instrument in the corresponding aperture on the opposite planar surface.
Claim 10
Dependent Claim
46 words
The method of claim 6 further including inserting a plurality of rods substantially opaque to X-radiation in apertures selected to define points indicative of a location within the body tissue and taking an X-ray photograph of the body tissue substantially along the axes of the rods.
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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) | 1989-04-07 | 1989-10-07 | 1990-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-07 | 1993-10-07 | 1994-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-07 | 1997-10-07 | 1998-04-08 | $7700.00 | Window Closed / Lapsed |