Fluid management systems are disclosed that include software-controlled, electro-mechanical devices used in combination with single-use or multi-use tubing sets. Functions of the fluid management systems can include fluid pressurization, fluid warming, fluid deficit monitoring (including flow-based and weight-based), suction, fluid collection, and fluid evacuation (including indirect-to-drain and direct-to-drain options). The systems can be configured based on the surgical environment (e.g., operating room or physician office) as well as other user needs and/or preferences.

A suction/irrigation medical device comprises a valve body having one or more conduits fluidically coupled thereto and a first channel extending through the valve body. The medical device also comprises a first valve plunger disposed along the first channel and configured to move along an axis to open and close the first channel. The first valve plunger has a first opening to permit a fluid to flow through the first channel. The medical device also comprises a second valve plunger disposed along the first channel and along a second channel to couple the second channel into the first channel when the second valve plunger is in a first position. The second valve plunger has a second opening that has at least one dimension that is greater than a corresponding dimension of the first opening of the first valve plunger.

The invention discloses an anus cleaner, comprising a bottle body, wherein the inside of the bottle body is a hollow structure; the bottom of the bottle body is provided with a bottle bottom, and the bottle bottom is curved; the center of the bottle bottom is provided with a through hole, and a steel ball check valve is installed in the through hole; the end of the bottle body away from the bottle bottom is provided with a bottleneck, and the bottleneck is provided with threads; the bottleneck is equipped with a cleaning head; the bottom of the cleaning head is provided with threads, and the threads are provided on a mounting table; the mounting table and the bottleneck are matched and connected with the same size; the top of the mounting table is provided with a cleaning neck.

In one embodiment, a phacoemulsification system includes a phacoemulsification probe configured to be inserted into an eye, an ophthalmic curette, including a handle, a tube having a proximal end connected to a distal end of the handle, and having a distal tip configured to be inserted into the eye, an irrigation channel extending from the proximal end to the distal tip of the tube, and a pressure sensor disposed at the distal tip of the tube, and configured to be inserted into the eye and provide a signal responsively to intraocular pressure inside the eye, and comprising a sensing surface, and an irrigation-aspiration sub-system coupled with the irrigation channel and configured to convey irrigation fluid along the irrigation channel, and wherein the irrigation channel is shaped, and positioned with respect to the pressure sensor, to direct a flow of the irrigation fluid over the sensing surface of the pressure sensor.

A fluid distribution system can include a water inlet configured to receive water from a supply spout. A supply line can be connected to the inlet, and an applicator tip can be connected to the supply line distal from the inlet. The applicator tip can be configured to spray water received through the supply line at the same time as the receiving of the water from the supply spout through the inlet. The system can further include a water pressurizing device that is operable to pressurize water received from the supply spout via the water inlet and supplied through the supply line to the applicator tip. The water pressurizing device can include one or more of a powered fluid pump and a source adapter. The system may include a fluid-actuated pressure clamp.

This application presents methods and devices for continuously cleaning a colon by at least partially filling a segment of the colon with liquid and agitating the fluid to dislodge matter adhering to the colon walls. Methods for automatic maintenance of liquid levels in the colon during continuous cleaning are taught.

A system and method for providing fluid to a tissue site is described. The method fluidly couples an instillation therapy system to the tissue site and monitors a pressure supplied to the tissue site by a reduced-pressure source with the instillation therapy system for a time period. The method provides fluid to the tissue site with the instillation therapy system in response to the pressure at the tissue site during the time period. The system includes a pressure sensor fluidly coupled to the tissue site to measure a pressure proximate the tissue site. A valve and a flow meter are fluidly between a fluid reservoir and the tissue site. A controller is communicatively coupled to the pressure sensor and the valve and configured to monitor the pressure at the tissue site and a volume of fluid flow to the tissue and, in response, operate the valve.

Disclosed is a medical instrument for use in minimally invasive therapy that generates, by at least two independent devices, an aspiration that advantageously causes the stability of the distension and the viewing conditions by adjusted flow rates.

A method of managing fluid conditions in a patient involves advancing at least one medical instrument into a target organ of a patient, the at least one medical instrument comprising an irrigation channel and an aspiration channel, coupling the at least one medical instrument to an irrigation fluid source, providing irrigation from the irrigation fluid source into the target organ through the irrigation channel of the at least one medical instrument, determining an irrigation pressure limit based at least in part on one or more case-specific parameters, providing irrigation into the target organ through the irrigation channel, and limiting the irrigation based at least in part on the determined irrigation pressure limit.

Apparatus, system and method for providing pressurized infusion of liquids and, more particularly, providing a stable and pressurized flow of fluid to the eye during surgery. Aspiration fluid may be received via an aspiration line at a first peristaltic pump, where aspiration fluid is transferred to a Venturi tank reservoir coupled to a second peristaltic pump. Fluid from a fluid source is provided via a third peristaltic pump to a pressurized infusion tank. A determination is made if the pressure in the pressurized infusion tank is at a predetermined level, where fluid may be transferred from the pressurized infusion tank to an irrigation line when pressure in the pressurized infusion tank is determined to be at the predetermined level. Alternate activation of a plurality of aspiration and irrigation lines are also provided.