patent/US-4094303-A

http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4094303-A

Outgoing Links

Predicate	Object
assignee	http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_123af93d3693fda17761ccf9a643c92d
classificationCPCInventive	http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61F11-202
classificationIPCInventive	http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61F11-00
filingDate	1977-02-16-04:00^^<http://www.w3.org/2001/XMLSchema#date>
grantDate	1978-06-13-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor	http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_681b46190d390c1ae034d4f38535060a
publicationDate	1978-06-13-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber	US-4094303-A
titleOfInvention	Tympanic membrane vent
abstract	The middle ear space is vented through the tympanic membrane by a piece of porous plastic material positioned to extend through the tympanic membrane. The pore size is in the range of 5 to 25 micrometers in diameter to effectively prevent water passage and permit tissue ingrowth a few pores deep from the tympanic membrane into the side walls of the vent. The vent is generally cylindrical in shape provided with a section of reduced cross-sectional area intermediate its ends, which section engages the tympanic membrane when the vent is in position.
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priorityDate	1977-02-16-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type	http://data.epo.org/linked-data/def/patent/Publication

Incoming Links

Predicate	Subject
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Total number of triples: 95.