HO PETER CHI FAI,EURY MATTHEW PAUL,MATULA JEROME JR
申请号:
IN1579/CHENP/2013
公开号:
IN2013CN01579A
申请日:
2013.02.26
申请国别(地区):
IN
年份:
2015
代理人:
摘要:
A cushion (10 30 56) for a patient interface device includes a patient contacting portion (12 32 60) and wall portions (18 20 22 24 34 66 68 70 72). The wall portions include a plurality of voids (26 74) and/or orifices therein. The patient contacting portion and the wall portions may be made of a material having a hardness of between 5 and 60 on the Shore 00 scale. Also the parts of the wall not having the plurality of voids/orifices provided therein may have a cross sectional thickness of 4 mm or greater. The voids may include a first void provided in an inner side of a first one of the wall portions and a second void provided in an outer side of the first one of the wall portions. The first void and the second void are positioned across from and overlapping one another.