Stanley Paul Mack,Charles R. Patzer,Stephen L. Vick
申请号:
US11749265
公开号:
US08876765B2
申请日:
2007.05.16
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A pump module for use in a medical fluid dispensing system is provided that includes a pump body and first and second pump chambers formed in the pump body. The module further includes a pair of chamber inlets and chamber outlets formed in the pump body, each associated with one of the pump chambers. Each of the pump chambers further includes a first portion having a generally spherical segment shape and a second portion integral with the first portion and having a generally conical shape, with the first and second portions in fluid communication with the chamber inlet and the chamber outlet. The second, conically shaped portion converges to the chamber outlet.