A cartridge for a panel of an ophthalmic surgical system for treating an eye is configured for insertion in a cartridge accommodation region of the panel and has at least one fluid pump for conveying a treatment fluid, the fluid pump has a pump chamber and a drive chamber separated from the pump chamber with a partition element that is at least regionally deflectable, wherein a drive fluid is feedable to the drive chamber and the treatment fluid is feedable to the pump chamber. The partition element has at least one plate element made of an at least electrically conductive or at least ferromagnetic material, said plate element also being deflected in the case of a deflection of at least one region of the partition element. Further, a panel and an ophthalmic surgical system are provided.

A cassette for a console of an ophthalmosurgical system for treating an eye is configured for insertion into a cassette receiving region of the console and has a fluid pump configured to deliver a treatment fluid, a tube for attachment to a handpiece, and a connection unit secured against detachment, of a cassette-side end of the tube to a cassette housing of the cassette. The connection unit includes an attachment stub arranged on the cassette housing and has a through opening for the treatment fluid, and a plug-in connector arranged on the cassette-side end of the tube and likewise has a through opening for the treatment fluid, with the plug-in connector, when it is connected to the attachment stub, being held in a fluid-tight manner with respect to the attachment stub and so as to be able to rotate about a longitudinal axis of the through opening.

A tube for a medical treatment system has a first channel for feeding an irrigation fluid from a console of the system to a medical treatment instrument of the system and a second channel for discharging an aspiration fluid from the instrument to the console. The first and the second channels are arranged in parallel. The first channel has a first wall and the second channel has a second wall. A second material of the second wall has a greater hardness than a first material of the first wall. The tube is formed from two individual tube elements for the channels. The tube elements are welded or adhesively bonded in a connection region. The difference between the hardness of the first material and the hardness of the second material is at least 10 ShA and at most 15 ShA.

A method for operating a fluid pump of an ophthalmosurgical system for conveying a treatment fluid is provided. The fluid pump has a pump chamber and a drive chamber separated from the latter with an elastic partition element and which is acted upon by a drive fluid. A position of the partition element is detected. The method includes subjecting the drive fluid to a first drive pressure, detecting a treatment fluid pressure present in the first position of the partition element, subjecting the drive fluid to a further drive pressure, at which the partition element adopts a further position, detecting the at least one further position of the partition element, and a further treatment fluid pressure present in this further position, and taking into account the treatment fluid pressures and drive pressures present in the respective positions account in the operation of the fluid pump.

In one embodiment, a fluid dynamics system includes a solenoid valve including a valve body including ports including an inlet and outlet port, and a valve cavity having a direction of elongation and configured to provide fluid connectivity between ones of the ports, a solenoid coil disposed around valve cavity, and a plunger including a permanent magnet, and configured to move back-and-forth along the direction of elongation between a first and a second position in the valve cavity selectively controlling the fluid connectivity between respective ones of the ports, the valve body including shock absorber(s) to soften striking of the plunger against the valve body in the direction of elongation, and a controller configured to apply at least one current to the solenoid coil to selectively move the plunger between the first and second position, and to selectively maintain the plunger in the first position and the second position.

In some embodiments, a fluid dynamics system includes a solenoid valve including a valve body including ports including an inlet port and an outlet port, and a valve cavity having a direction of elongation and configured to provide fluid connectivity between respective ones of the ports, a solenoid coil disposed in the valve body around valve cavity, and a plunger comprising a permanent magnet, and configured to move back-and-forth along the direction of elongation between a first position and a second position in the valve cavity selectively controlling the fluid connectivity between respective ones of the ports, and a controller configured to apply at least one current to the solenoid coil to selectively move the plunger between the first position and the second position, and to selectively maintain the plunger in the first position and the second position.

A system includes (i) a solenoid valve, positioned between a handle of a probe, and an aspiration line coupled with the handle for aspirating fluids from the probe, the solenoid valve includes at least a solenoid coil and a plunger movable by the solenoid coil, (ii) a sensor, positioned between the handle and the aspiration line and configured to produce a signal indicative of a fluid metric in the aspiration line, and (iii) a controller, configured to identify, based on the signal, a vacuum surge in the aspiration line, and, in response to identifying the vacuum surge, to apply at least one current to the solenoid coil to selectively move the plunger between a first position and a second position, and to selectively maintain the plunger in the first position and the second position.

A phacoemulsification simulation apparatus includes a trigger device, at least two sensors, and a processor. The trigger device configured to apply, to fluid at an inlet of a needle of a phacoemulsifier, a pressure profile as a function of time in response to an input waveform. The at least two sensors are configured to measure a pressure of the fluid at respective points in the phacoemulsification simulation apparatus. The processor is configured to (a) drive the trigger device with the input waveform, thereby causing the trigger device to apply the pressure profile to the inlet while the fluid is aspirated via an aspiration line, (b) receive measurements of the pressure of the fluid from the at least two sensors, and (c) analyze an aspiration performance of the phacoemulsifier in response to the measurements.

A medical probe includes a probe body shaped to define a distal section of a fluid channel, a cartridge, which is shaped to define a proximal section of the fluid channel and comprises a valve configured to regulate flow of a fluid through the proximal section of the fluid channel, and a clip configured to reversibly couple the cartridge with the probe body by sliding over the probe body and the cartridge while the cartridge contacts the probe body such that the proximal section of the fluid channel is in fluidic communication with the distal section of the fluid channel. Other embodiments are also described.

An ultrasonic surgical system is disclosed including an end effector, an elongate shaft, an articulation joint, and an articulation system. The end effector is rotatable relative to the elongate shaft about the articulation joint. The articulation system includes a distal plate, a first cable, a second cable, and a gear. The distal plate is configured to articulate toward a first side of the gear based on the gear rotating in a first direction and articulate toward a second side of the gear based on the gear rotating in a second direction. The end effector is configured to articulate in a first articulation direction about the articulation joint based on the distal plate articulating toward the first side of the gear. The end effector is configured to articulate in a second articulation direction about the articulation joint based on the distal plate articulating toward the second side of the gear.