Patent ID: 11857776
Assignee: STRYKER CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 11:
12. A fluid management system, comprising:
a pump for delivering fluid from a fluid supply container to a surgical site;
a pressure source;
a pressure sensor; and
a pressure regulator removably connected to the fluid management system and an external vacuum source, wherein the pressure regulator is positioned between the surgical site and the external vacuum source, wherein the pressure regulator comprises:
a first chamber having an inlet opening for fluidly connecting to the external vacuum source;
a second chamber having an outlet opening for supplying a regulated pressure to the surgical site;
a third chamber having a pressure opening for connecting to the pressure source;
a fourth chamber having a sensing opening for connecting to the pressure sensor;
a flexible membrane fluidly isolating the third and fourth chambers from both of the first and second chambers, wherein the flexible membrane is movable by the vacuum pressure provided by the external vacuum source such that the third and fourth chambers are fluidly connected, and wherein the flexible membrane is movable by a pressure applied by the pressure source such that the first and second chambers are fluidly connected.