The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2014
Filed:
Jul. 11, 2013
Shanghai Chuangshi Industry (Group) Co., Ltd., ShangHai, CN;
Xi'an Jiatong University, Shaanxi Province, CN;
Jue Wang, Shaanxi Province, CN;
Litao Fan, ShangHai, CN;
Yong You, ShangHai, CN;
Sujiao Li, Shaanxi Province, CN;
Jianshu Tian, ShangHai, CN;
Yuchen Guo, Shaanxi Province, CN;
Le Li, ShangHai, CN;
Abstract
The present invention relates to a cushion for preventing pressure sore. The cushion for preventing pressure sore includes an air cell layer, an air passage layer, a base layer, and a plurality of air ducts. The air cell layer has a plurality of air cells; the air cell layer is divided into at least four air cell zones. Air cells in each air cell zone are in communication with each other, but air cells in any two adjacent air cell zones are not in communication with each other; the air passage layer is under the air cell layer and has a plurality of air passages therein. Each air passage is in connection and communication with at least one of the air cell zones; the air passage layer and the air cell layer are disposed on the base layer; an end of each air duct is in communication with a corresponding air passage, and the other end extends out of the cushion and is provided with a joint; and each air duct has a respective valve. The cushion for preventing pressure sore according to the present invention can intermittently exert pressure over human buttocks, thereby effectively preventing pressure sores.