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.

Disclosed is an intelligent intracranial hematoma removal and drainage system, including: an information input module, an information detection module, an intelligent module and a hematoma removal and drainage module, wherein the information input module is used for collecting preoperative data and transmitting the collected preoperative data to the intelligent module; the information detection module is used for acquiring intracranial data monitored in real time and transmitting the monitored intracranial data to the intelligent module; the intelligent module is used for receiving the data from the information input module and the information detection module, analyzing the received data to make a determination, and converting the determination into an instruction signal and transmitting the same to the hematoma removal and drainage module; and the hematoma removal and drainage module is used for receiving an instruction from the intelligent module to remove and drain intracranial hematomas, and feeding data after removal and drainage back to the intelligent module. The intelligent intracranial hematoma removal and drainage system provides corresponding bases for all treatment operations, and all signals are detected in real time, thereby ensuring the real-time monitoring of key information of a patient during an intracranial hematoma treatment process, such that all the treatment operations on the patient are controllable and precise.

Disclosed herein are systems, devices, and methods for the removal of objects from the body. The device may be a urethral catheter configured to aspirate kidney stones from the urinary tract through one or more aspiration ports at the distal face or along a lateral side of the catheter. The catheter may include one or more irrigation ports at the distal face or along the lateral side of the catheter for dislodging kidney stones. The device may be steerable. The spatial arrangement of the one or more irrigation ports with respect to the one or more aspiration ports may vary. The device may include an irrigation tube and/or a shield member configured to spatially confine the kidney stones adjacent the catheter. Various temporal patterns of aspiration and irrigation are disclosed for optimizing removal of kidney stones.

Disclosed herein are systems, devices, and methods for the removal of objects from the body. The device may be a urethral catheter configured to aspirate kidney stones from the urinary tract through one or more aspiration ports at the distal face or along a lateral side of the catheter. The catheter may include one or more irrigation ports at the distal face or along the lateral side of the catheter for dislodging kidney stones. The device may be steerable. The spatial arrangement of the one or more irrigation ports with respect to the one or more aspiration ports may vary. The device may include an irrigation tube and/or a shield member configured to spatially confine the kidney stones adjacent the catheter. Various temporal patterns of aspiration and irrigation are disclosed for optimizing removal of kidney stones.

A treatment device for treatment of overactive bladder conditions operates to suction to grasp and conform a mucosal tissue of the bladder wall to a portion of the tissue treatment device, and deliver energy to non-superficial target tissue at a substantially uniform depth from the mucosal tissue. The tissue treatment device incorporates multiple instruments for different functions needed to treat overactive bladder conditions. The tissue treatment device provides simplified interfaces and mechanisms for operating each of the multiple instruments in a controlled manner. Further, the tissue treatment device is configured to have a low and smooth profile that permits the tissue treatment device to be used without a tubular sheath.

The present invention discloses a system comprising an actuation valve for receiving a first pressurized fluid, a piston in communication with the actuation valve, and a flow restrictor for controlling the flow of a second pressurized fluid from the piston. The flow restrictor may vent to ambient pressure and the piston may act as a pinch valve on at least one of an irrigation line.

An apparatus, system and method for a phacoemulsification handpiece. The handpiece may include: a proximal portion having a longitudinal axis, and first and second ends, wherein at least aspiration, irrigation and power inputs enter the first end; a distal portion along the longitudinal axis and comprising, at a distalmost portion thereof from the proximal portion a needle configured to be vibrated by a transducer powered by the power input, the transducer residing within the distal portion and being associated with a horn having a circumferential flange proximal portion. The handpiece further includes a thumb wheel circumferentially associated with the circumferential flange within the distal portion, and having a portion thereof extending out of the distal portion to allow for rotational actuation of the extending portion. Rotational actuation of the thumb wheel thus affects a rotation of the circumferential flange and in turn, the horn and needle coupled therewith.

An instrument system for treating a subject includes an instrument including a base configured to be gripped by an operator, and an elongate probe including a probe proximal end coupled with the base and extending to a probe distal end. The probe includes an aspiration lumen terminating at an inlet port proximate the probe distal end, and a delivery lumen terminating at an outlet port proximate the probe distal end. The instrument also includes a waveguide on the probe and having a light emitting end proximate the probe distal end.

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 surgical handpiece nosecone having an end overmold portion and/or an internal overmold portion. The end overmold portion is located at an end of the nosecone and compressed between the surgical handpiece housing and nosecone. The internal overmold portion is positioned radially about the nosecone on the inner surface to provide a fluid tight seal that prevents ingress of irrigation fluid into the housing.