Patent US4474182A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4474182A Expired / Lapsed US ⏱️ 0.0 years remaining

Surgical Stoma Tool and methods of making and using the same

Assignee: Individual
•
Filing: 1981-10-05
•
Granted: 1984-10-02
•
Expires: 2001-10-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The present invention relates to a Surgical Stoma Tool and methods of making and using the same wherein an elongated circular cylindrical element which is provided at one end thereof with a spherical surface and a handle on the other end with an annular stop ring proximate the spherical surface.

Inventors

  • 👤 Herman Rea
  • 👤 Ralph E. Wehmer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:53
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0004; A61F2/0009; A61B; A61B90/00; A61F5/00; A61F5/44; A61F5/445

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 109 words
A surgical stoma tool comprising, an elongated, straight, solid and rigid circular cylindrical element of constant diameter provided with a first and second end thereof, and said element provided with a closed semi-spherical surface at the first end, the surface thereof polish finished, and handle means operably mounted proximate the second end of said element, comprising a flat plate mounted at right angles to the elongated member, and a single annular stop means operably mounted on said element and disposed between said first and second ends, proximate said first end and at a distance therefrom reflecting the desired depth of insertion, said annular stop means comprising an annular ring.
Claim 2
Dependent Claim 109 words
A surgical stoma tool comprising, an elongated, straight, solid and rigid circular cylindrical element of constant diameter provided with a first and second end thereof, and said element provided with a closed semi-spherical surface at the first end, the surface thereof polish finished, and handle means operably mounted proximate the second end of said element, comprising a flat plate mounted at right angles to the elongated member, and a single annular stop means operably mounted on said element and disposed between said first and second ends, proximate said first end and at a distance therefrom reflecting the desired depth of insertion, said annular stop means comprising an annular ring.
Claim 3
Dependent Claim 15 words
A surgical stoma tool as described in claim 1 wherein said elongated element is weighted.

References Cited (Backward Citations)

US242743A Cited
US1610947A Cited
US1551499A Cited
GB233980A Cited
US1879307A Cited
US2786469A Cited
US3675642A Cited
US3800791A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-10-02 1988-04-02 1988-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-10-02 1992-04-02 1992-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-10-02 1996-04-02 1996-10-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag