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08-31-2018

IMPLANTABLE MEDICAL DEVICE WITH DIFFERENTIATED LUMINAL AND ABLUMINAL CHARACTERISTICS

IMPLANTABLE MEDICAL DEVICE WITH DIFFERENTIATED LUMINAL AND ABLUMINAL CHARACTERISTICS © European Patent Office

IMPLANTABLE MEDICAL DEVICE WITH DIFFERENTIATED LUMINAL AND ABLUMINAL CHARACTERISTICS © European Patent Office

There are disclosed implantable medical devices (100) and apparatus for treating implantable medical devices during production, so as to cause the implantable medical devices (100) to have abluminal surfaces and luminal surfaces with different functional characteristics and in particular surface energies. The luminal surfaces of the medical device (100) are preferably coated with carbon, so as to have a low surface energy, which reduces the risk of thrombi forming when implanted into a patient's vessels. The abluminal surfaces are treated so as to have a high surface energy, such that a therapeutic, preferably bioactive, material, such as a drug, can adhere to the abluminal surfaces and preferably without any need for a containment layer such as polymer or other matrix material. Once the therapeutic material has been delivered into the tissue wall, the stent can remain within the patient's vessel without leaving any delivery artefacts, as occurs with some prior art drug eluting medical devices.

Document: EP3363478A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 02-16-2018
Publication date: 08-31-2018
Applicant: COOK MEDICAL TECHNOLOGIES LLC, US
Inventor: NEILAN JOHN [IE]; MURRAY DAVID [IE]; BUTLER JAMES 


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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