Patent US4187850A successfully refreshed from Google Patents.
US4187850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stoma centering apparatus
Assignee: Individual
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Filing: 1977-12-12
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Granted: 1980-02-12
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Expires: 1997-12-12
Abstract
Abstract A medical-surgical method and apparatus for facilitating the replacement of ostomy appliances. A hollow cylinder, filled with sterile absorbant material is used to center the sealing ring prior to the replacement of the ostomy appliance.
Inventors
- 👤 Charles F. Gust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/445
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
164 words
The method of replacing a full or used ostomy appliance on a person having a stoma for the excretion of waste material from the body, comprising the steps of: a. removing said used ostomy appliance from the stoma; b. initially cleaning the skin area about the stoma; c. centering a hollow cylinder having an inside diameter slightly greater than the diameter of the stoma about the stoma and retaining said cylinder in a centered position; d. inserting an absorbent material into said cylinder for absorbing waste material excreted from said stoma; e. preparing the skin by cleaning and drying the skin area about the stoma with a skin prep agent while maintaining the cylinder in a sealing relationship about the stoma; f. applying an adhesive substance to said prepared skin; g. inserting a sealing ring over said cylinder and onto the skin for adherence to the skin; and, h. withdrawing said cylinder from the skin and adhering another ostomy appliance to said sealing ring.
Claim 2
Independent Claim
164 words
The method of replacing a full or used ostomy appliance on a person having a stoma for the excretion of waste material from the body, comprising the steps of: a. removing said used ostomy appliance from the stoma; b. initially cleaning the skin area about the stoma; c. centering a hollow cylinder having an inside diameter slightly greater than the diameter of the stoma about the stoma and retaining said cylinder in a centered position; d. inserting an absorbent material into said cylinder for absorbing waste material excreted from said stoma; e. preparing the skin by cleaning and drying the skin area about the stoma with a skin prep agent while maintaining the cylinder in a sealing relationship about the stoma; f. applying an adhesive substance to said prepared skin; g. inserting a sealing ring over said cylinder and onto the skin for adherence to the skin; and, h. withdrawing said cylinder from the skin and adhering another ostomy appliance to said sealing ring.
Claim 3
Dependent Claim
21 words
The method of claim 1 wherein said hollow cylinder is a transparent material selected from the group of glass and polycarbonate.
Claim 4
Dependent Claim
22 words
The method of claim 1 wherein said hollow cylinder has an outside diameter less than the interior diameter of the sealing ring.
Claim 5
Dependent Claim
26 words
The method of claim 3 wherein said outside diameter of said cylinder is 1/16th of an inch less than the inside diameter of the sealing ring.
Claim 6
Dependent Claim
12 words
The method of claim 1 wherein said absorbent material is sterile cotton.
Claim 7
Dependent Claim
28 words
The method of claim 1 wherein said hollow cylinder is transparent and centering said cylinder is accomplished through said cylinder to visually align said cylinder on said stoma.
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) | 1983-02-11 | 1983-08-13 | 1984-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-11 | 1987-08-13 | 1988-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-11 | 1991-08-13 | 1992-02-12 | $7700.00 | Window Closed / Lapsed |