Patent US4311148A successfully refreshed from Google Patents.
US4311148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro-jejunostomy feeding tube
Assignee: Avcarb Material Solutions Inc
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Filing: 1980-05-19
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Granted: 1982-01-19
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Expires: 2000-05-19
Abstract
Abstract An elongated, flexible catheter feeding tube for use in providing nutrition and/or medication directly into the intestine, having a fabric cuff for subcutaneous implantation, a proximal wing for positioning inside the abdominal wall and a distal wing for positioning inside the intestine.
Inventors
- 👤 Barry G. Courtney
- 👤 Mitchell V. Kaminski, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:37
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/02; A61M2025/0213; A61M2025/0233
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
109 words
An elongated flexible feeding tube having a feed end and a discharge end for use in supplying nutrition or medication directly to the intestine comprising an elongated flexible catheter, a fabric cuff for subcutaneous implantation located on said catheter a distance from the feed end, a proximal wing of resilient material located on said catheter a distance from said fabric cuff toward the discharge end of said catheter equal to or greater than the thickness of the abdominal wall, a distal wing of resilient material located on said catheter a distance from said proximal wing toward said discharge end, both of said wings being mounted perpendicular to said catheter.
Claim 2
Dependent Claim
109 words
An elongated flexible feeding tube having a feed end and a discharge end for use in supplying nutrition or medication directly to the intestine comprising an elongated flexible catheter, a fabric cuff for subcutaneous implantation located on said catheter a distance from the feed end, a proximal wing of resilient material located on said catheter a distance from said fabric cuff toward the discharge end of said catheter equal to or greater than the thickness of the abdominal wall, a distal wing of resilient material located on said catheter a distance from said proximal wing toward said discharge end, both of said wings being mounted perpendicular to said catheter.
Claim 3
Dependent Claim
47 words
The feeding tube as claimed in claim 1 wherein said catheter consists of an inner tube extending from the feed end to the discharge end and an outer tube extending from the feed end to the distal wing, said tubes held in fixed relation to each other.
Claim 4
Dependent Claim
19 words
The feeding tube as claimed in claim 2 wherein both wings are tapered toward the ends of the wings.
Claim 5
Dependent Claim
21 words
The feeding tube as claimed in claim 2 wherein the proximal wing contains a mesh material integrally formed in the wing.
Claim 6
Dependent Claim
17 words
The feeding tube as claimed in claim 2 wherein the catheter is made of a radio-opaque material.
Claim 7
Dependent Claim
27 words
The feeding tube as claimed in claim 1 wherein the catheter has a smaller outer diameter in the region between the distal wing and the discharge end.
Claim 8
Dependent Claim
19 words
The feeding tube as claimed in claim 6 wherein both wings are tapered toward the ends of the wings.
Claim 9
Dependent Claim
21 words
The feeding tube as claimed in claim 6 wherein the proximal wing contains a mesh material integrally formed in the wing.
Claim 10
Dependent Claim
17 words
The feeding tube as claimed in claim 6 wherein the catheter is made of a radio-opaque material.
References Cited (Backward Citations)
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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) | 1985-01-18 | 1985-07-20 | 1986-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-01-18 | 1989-07-20 | 1990-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-01-18 | 1993-07-20 | 1994-01-19 | $7700.00 | Window Closed / Lapsed |