Patent US4204282A successfully refreshed from Google Patents.
US4204282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implantable artificial sphincter
Assignee: Individual
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Filing: 1978-05-08
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Granted: 1980-05-27
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Expires: 1998-05-08
Abstract
Abstract An implantable artificial sphincter in the form of a sleeve for receiving and supporting therein the remaining terminal end of healthy bowel tissue. The sleeve is provided with multiple openings therethrough for the growth and passage of anchoring fibrous granulation tissue and the sleeve is provided with a removable closure which is position in the patient at the point were the anal sphincter was surgically removed thereby providing an artificial sphincter in near normal anatomical position.
Inventors
- 👤 Richard A. Bolt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:21
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0004; A61F2/0009
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
85 words
An implantable artificial sphincter comprising a sleeve for supporting the terminal end of a bowel therein, said sleeve having multiple openings therethrough for the passage of anchoring fibrous granulation tissue, one end of said sleeve provided with a removable closure, said sleeve consisting of a sleeve support including a ring member for receiving said closure at said one end and a plurality of struts extending from said ring member generally in the axial direction and a mesh sleeve secured to or integral with said support.
Claim 2
Dependent Claim
85 words
An implantable artificial sphincter comprising a sleeve for supporting the terminal end of a bowel therein, said sleeve having multiple openings therethrough for the passage of anchoring fibrous granulation tissue, one end of said sleeve provided with a removable closure, said sleeve consisting of a sleeve support including a ring member for receiving said closure at said one end and a plurality of struts extending from said ring member generally in the axial direction and a mesh sleeve secured to or integral with said support.
Claim 3
Dependent Claim
17 words
The artificial sphincter of claim 1 including three of said struts equa-circumferentially spaced on said ring member.
Claim 4
Dependent Claim
19 words
The artificial sphincter of claim 2 including a second ring member securing the free ends of said struts together.
Claim 5
Dependent Claim
33 words
The artificial sphincter of claim 2 wherein one of said struts is bifurcated and the free ends of the bifurcation curve and are secured to the free ends of the remaining two struts.
Claim 6
Dependent Claim
21 words
The artificial sphincter of claim 1 including clamp means to annularly secure the terminus of a bowel to said ring member.
Claim 7
Dependent Claim
40 words
The artificial sphincter of claim 5 wherein said clamp means consists of a snap ring member which cooperatively snaps to the inside end of said ring member with tolerance therebetween for the passage of the terminus end of a bowel.
Claim 8
Dependent Claim
21 words
The artificial sphincter of claim 1 wherein said closure is a cap threadably received on said one end of said sleeve.
Claim 9
Dependent Claim
18 words
The artificial sphincter of claim 1 including means to secure said sleeve to surrounding body tissue with suture.
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) | 1983-05-27 | 1983-11-26 | 1984-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-27 | 1987-11-26 | 1988-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-27 | 1991-11-26 | 1992-05-27 | $7700.00 | Window Closed / Lapsed |