Patent US5269316A successfully refreshed from Google Patents.
US5269316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument
Assignee: Individual
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Filing: 1992-08-17
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Granted: 1993-12-14
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Expires: 2012-08-17
Abstract
Abstract A surgical instrument for the removal, transplantation or implantation of corium, fat, cartilage or alloplastic material is composed of three mutually severable adjacent sections, the first of which is a cylindrical hollow scalpel, the second is a hollow tube in communication with the hallow scalpel, and the third is made of solid material which is tapered to form a sharp needle. The tubular second section has longitudinally extending separating seams to permit its separation into two half shells after the first and third sections have been severed therefrom.
Inventors
- 👤 Hans-Henning Spitalny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:15
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0233; A61B10/025; A61B17/00; A61B17/32; A61B17/3205; A61B17/32053; A61B2017/00969; A61B90/00; A61B90/03; A61B2090/037; A61F; A61F2/00; A61F2/02; A61F2/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
115 words
A surgical instrument for the removal, transplantation of implantation or corium, fat, cartilage or alloplastic material consisting of a cannula having a pair of spaced-apart circumferential grooves formed therein, said grooves defining three mutually severable adjacent sections of which the first section is in tubular form having a sharpened open end defining a scalpel, the second section is in tubular form in communication with said first section and having at least two separating seams extending parallel to the axis of the cannula over the entire length of said second section to permit separation of said second section into two half shells, and the third section consists of solid material tapered to form a sharp needle.
Claim 2
Dependent Claim
115 words
A surgical instrument for the removal, transplantation of implantation or corium, fat, cartilage or alloplastic material consisting of a cannula having a pair of spaced-apart circumferential grooves formed therein, said grooves defining three mutually severable adjacent sections of which the first section is in tubular form having a sharpened open end defining a scalpel, the second section is in tubular form in communication with said first section and having at least two separating seams extending parallel to the axis of the cannula over the entire length of said second section to permit separation of said second section into two half shells, and the third section consists of solid material tapered to form a sharp needle.
Claim 3
Dependent Claim
17 words
A surgical instrument of claim 1, wherein the scalpel end of said first section is cylindrically sharpened.
Claim 4
Dependent Claim
10 words
A surgical instrument of claim 1 made of stainless steel.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-12-13 | 1997-06-14 | 1997-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-12-13 | 2001-06-14 | 2001-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-12-13 | 2005-06-14 | 2005-12-14 | $7700.00 | Window Closed / Lapsed |