Christopher Brian Locke,Richard Daniel John Coulthard,David George Whyte
申请号：
US14156256
公开号：
US09907889B2
申请日:
2014.01.15
申请国别(地区):
US
年份:
2018
代理人:
摘要：
Illustrative embodiments of new and useful systems and methods for reduced-pressure therapy are described. One example embodiment is a manually-actuated pump for applying reduced-pressure therapy. The pump generally comprises a charging chamber, a regulated chamber, and a regulator passage between the charging chamber and the regulated chamber. A valve body controls fluid communication through the regulator passage, and a regulator spring may be engaged with the valve body to bias the valve body against a differential between a pressure in the regulated chamber and an ambient pressure. The regulator passage may have a bore size adapted deflect the valve body to cause an audible indication of a leak.
