US5980928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implant for preventing conjunctivitis in cattle
Assignee: Individual
•
Filing: 1997-07-29
•
Granted: 1999-11-09
•
Expires: 2017-07-29
Abstract
Abstract A method to reduce the likelihood of conjunctivitis in farm animals, especially cattle, includes the step of injecting an implant containing an antibiotic effective against the microbes associated with conjunctivitis subcutaneously into the animal in close proximity to the eye. Preferably the implant includes a matrix to allow time release of the antibiotic and the implant is placed in the animal near the first part of July. Also preferably the antibiotic is tetracycline.
Inventors
- 👤 Paul B. Terry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:38
CPC Classifications
A; A61; A61M; A61M37/00; A61M37/0069; A61F; A61F9/00; A61F9/0008; A61F9/0017; A61K; A61K9/00; A61K9/0012; A61K9/0048; A61K9/0051; A61F2250/00; A61F2250/0058; A61F2250/0067; A61K9/0019; A61K9/0024
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
46 words
A method of reducing the risk of conjunctivitis in an animal comprising the steps of: a) preparing an implant containing an antibiotic having activity against microbes causing conjunctivitis; and b) placing the implant subcutaneously in the animal in close proximity to an eye of the animal.
Claim 2
Independent Claim
46 words
A method of reducing the risk of conjunctivitis in an animal comprising the steps of: a) preparing an implant containing an antibiotic having activity against microbes causing conjunctivitis; and b) placing the implant subcutaneously in the animal in close proximity to an eye of the animal.
Claim 3
Dependent Claim
24 words
The method according to claim 1 including the step of: a) implanting of said implants under the skin above each eye of the animal.
Claim 4
Dependent Claim
21 words
The method according to claim 1 including the step of: a) implanting the implant near a lacrimal gland of the animal.
Claim 5
Dependent Claim
24 words
The method according to claim 1 including the step of: a) implanting the implant near the Meibomian glands in the eyelid of the animal.
Claim 6
Dependent Claim
33 words
The method according to claim 1 wherein: a) the implant is time released and implanted near the eye at about the beginning of the peak infection period for pinkeye in a geographic region.
Claim 7
Dependent Claim
28 words
The method according to claim 1 wherein: a) the implant includes a matrix adapted to allow continuous release over time of the antibiotic over at least one month.
Claim 8
Dependent Claim
17 words
The method according to claim 6 wherein: a) the matrix releases the antibiotic over approximately four months.
Claim 9
Dependent Claim
23 words
The method according to claim 7 wherein: a) the antibiotic is chosen from the tetracycline family of antibiotics and pharmaceutically active derivatives thereof.
Claim 10
Dependent Claim
13 words
The method according to claim 1 including: a) selecting tetracycline as the antibiotic.
Claim 11
Dependent Claim
22 words
The method according to claim 9 including: a) initially pelletizing the antibiotic with a polymethylmethacrylate matrix prior to injecting into the animal.
Claim 12
Dependent Claim
13 words
The method according to claim 1 wherein: a) the animal is a cow.
Claim 13
Dependent Claim
31 words
The method according to claim 11 including: a) injecting a plurality of animals with the implant over a short period of time and in conjunction with other activities involving the animals.
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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) | 2002-11-08 | 2003-05-10 | 2003-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-11-08 | 2007-05-10 | 2007-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-11-08 | 2011-05-10 | 2011-11-09 | $7700.00 | Window Closed / Lapsed |