Patent EP0206024A2 successfully refreshed from Google Patents.
EP0206024A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Antimicrobial surfaces and inhibition of microorganism growth thereby
Assignee: Becton Dickinson and Co
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Filing: 1986-06-04
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Granted: —
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Expires: 2006-06-04
Abstract
Abstract Apparatus having an antimicrobial surface includes a medical device and a plurality of metals, at least one of which is in contact with a surface of the device and in contact with a different metal. The invention includes a method to use the apparatus to treat a living body wherein the antimicrobial surface of the apparatus is contacted with a body electrolyte thereby inhibiting growth of microorganisms in the body consequent to the use of the apparatus.
Inventors
- 👤 John L. Haynes
- 👤 James D. Mansour
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-22 20:11
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0077; A61L; A61L27/00; A61L27/50; A61L27/54; A61L29/00; A61L29/14; A61L29/16; A61L31/00; A61L31/14; A61L31/16; A61L2300/00; A61L2300/10; A61L2300/102; A61L2300/40; A61L2300/404; A61L2300/45
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
72 words
An apparatus comprising a medical device, a noble metal, and a different metal in contact with said noble metal, at least one of said noble metal and said different metal being in contact with a surface of said device, whereby antimicrobial activity is imparted to a surface of the apparatus and growth of microorganisms in a living body consequent to contact of said apparatus with an electolyte of said body is inhibited.
Claim 2
Independent Claim
72 words
An apparatus comprising a medical device, a noble metal, and a different metal in contact with said noble metal, at least one of said noble metal and said different metal being in contact with a surface of said device, whereby antimicrobial activity is imparted to a surface of the apparatus and growth of microorganisms in a living body consequent to contact of said apparatus with an electolyte of said body is inhibited.
Claim 3
Dependent Claim
24 words
The apparatus in accordance with Claim 1 wherein said noble metal is selected from the group of metals consisting of silver, gold and platinum.
Claim 4
Dependent Claim
23 words
The apparatus in accordance with Claim 1 wherein said different metal is selected from the group of metals consisting of silver and aluminum.
Claim 5
Dependent Claim
42 words
The apparatus in accordance with Claim 1 wherein said device is selected from a catheter, a tubing, a tracheal tube, a medicament delivery device, a wound closure device, a wound drain, a stopcock, a prosthetic device, a needle, and a pacemaker lead.
Claim 6
Dependent Claim
22 words
The apparatus in accordance with Claim 1 wherein at least one of said noble and different metals is coated onto said device.
Claim 7
Dependent Claim
27 words
The apparatus in accordance with Claim 5 wherein one of said metals is coated onto said device by sputtering and the other is coated thereover by sputtering.
Claim 8
Dependent Claim
22 words
The apparatus in accordance with Claim 1 wherein at least one of said noble and different metals is incorporated in said device.
Claim 9
Dependent Claim
23 words
The apparatus in accordance with Claim 1 wherein at least one of said noble and different metals is a band on said device.
Claim 10
Dependent Claim
23 words
The apparatus in accordance with Claim 1 wherein at least one of said noble and different metals is a wire on said device.
Claim 11
Independent Claim
57 words
An apparatus comprising a medical device and a conducting material in contact with said device wherein said device is fabricated of a conducting material whereby antimicrobial activity is imparted to a surface of said apparatus and growth of microorganisms in a living body consequent to contact of said apparatus with an electrolyte of said body is inhibited.
Claim 12
Independent Claim
57 words
An apparatus comprising a medical device and a conducting material in contact with said device wherein said device is fabricated of a conducting material whereby antimicrobial activity is imparted to a surface of said apparatus and growth of microorganisms in a living body consequent to contact of said apparatus with an electrolyte of said body is inhibited.
Claim 13
Dependent Claim
19 words
The apparatus in accordance with Claim 10 wherein said device is a steel needle having silver in contact thereon.
Claim 14
Independent Claim
62 words
An apparatus comprising an article and a plurality of conducting materials wherein a first of said materials is in contact with a second of said materials and at least one of said materials is in contact with a surface of said article whereby biological activity is imparted to a surface of said apparatus consequent to contact of said apparatus with an electrolyte.
Claim 15
Independent Claim
62 words
An apparatus comprising an article and a plurality of conducting materials wherein a first of said materials is in contact with a second of said materials and at least one of said materials is in contact with a surface of said article whereby biological activity is imparted to a surface of said apparatus consequent to contact of said apparatus with an electrolyte.
Claim 16
Dependent Claim
21 words
The apparatus in accordance with Claim 12 wherein said biological activity is selected from antimicrobial activity, anti thrombogenicity, and tissue regeneration.
Claim 17
Dependent Claim
17 words
The apparatus in accordance with Claim 12 wherein said conducting materials are a metal and a salt.
Claim 18
Independent Claim
63 words
An apparatus comprising a catheter, platinum and silver in contact with said platinum, at least one of said platinum and silver being in contact with a surface of said catheter, whereby antimicrobial activity is imparted to a surface of said apparatus and growth of microorganisms in a living body consequent to contact of said apparatus with an electrolyte of said body is inhibited.
Claim 19
Independent Claim
63 words
An apparatus comprising a catheter, platinum and silver in contact with said platinum, at least one of said platinum and silver being in contact with a surface of said catheter, whereby antimicrobial activity is imparted to a surface of said apparatus and growth of microorganisms in a living body consequent to contact of said apparatus with an electrolyte of said body is inhibited.
Claim 20
Independent Claim
67 words
An apparatus comprising a catheter, a noble metal and aluminum in contact with said noble metal, at least one of said noble metal and aluminum being in contact with a surface of said catheter, whereby antimicrobial activity is imparted to a surface of said apparatus and growth of microorganisms in a living body consequent to contact of said apparatus with an electrolyte of said body is inhibited.
Claim 21
Independent Claim
67 words
An apparatus comprising a catheter, a noble metal and aluminum in contact with said noble metal, at least one of said noble metal and aluminum being in contact with a surface of said catheter, whereby antimicrobial activity is imparted to a surface of said apparatus and growth of microorganisms in a living body consequent to contact of said apparatus with an electrolyte of said body is inhibited.
Claim 22
Dependent Claim
24 words
The apparatus in accordance with Claim 16 wherein said noble metal is selected from the group of metals consisting of platinum, silver and gold.
Claim 23
Independent Claim
70 words
An apparatus comprising a medical device, a switch and a plurality of metals in contact with a surface of said device and connected to each other trough said switch when said switch is closed but unconnected when said switch is open, whereby biological activity is imparted to a surface of the apparatus consequent to contact of said apparatus with an electrolyte of a living body when said switch is closed.
Claim 24
Independent Claim
70 words
An apparatus comprising a medical device, a switch and a plurality of metals in contact with a surface of said device and connected to each other trough said switch when said switch is closed but unconnected when said switch is open, whereby biological activity is imparted to a surface of the apparatus consequent to contact of said apparatus with an electrolyte of a living body when said switch is closed.
References Cited (Backward Citations)
No citation records indexed.
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