533results about "Suction pumps" patented technology

In an example, a fluid collection device includes a fluid impermeable barrier that at least partially defines a chamber. The fluid impermeable barrier also defines an opening extending therethrough. The opening is configured to be positioned adjacent to a female urethra or have a male urethra positioned therethrough. The fluid collection device also includes a conduit at least partially disposed in the chamber. The conduit defines at least one aperture that allows an interior of the conduit to be in fluid communication with the chamber. The fluid collection device further includes a valve. The valve includes a first aperture coupled to the conduit and a second aperture that is fluid couplable to at least one of an air source, a vacuum source, or a fluid storage container. The valve is configured to control fluid flow through the conduit responsive to direction from a user.

A urinary output monitoring system including a urine collection assembly coupled with an automated urinary output monitoring device. The urine collection assembly includes a drainage tube, an accumulator coupled with the drainage tube, and a urine collection container fluidly coupled with the accumulator. The automated urinary output monitoring device operatively is coupled with the urine collection container. Logic determines a volume of urine collected in the container based on a signal from a load cell of the monitoring device. A vacuum pump coupled with the accumulator generates a flow of air that the drags the urine along the drainage tube to the accumulator. The accumulator separates the flow of air from the urine. The flow of air enters the drainage tube by way of a female external urinary catheter.

A system is provided which includes a cannula and a secondary device. The cannula includes an expandable member, a cannula lumen, and a cannula proximal end. The expandable member includes a proximal most end, a distal most end, at least two movable sections, with the space between the at least two moveable sections, and an impermeable membrane extending across the space between each of the at least two moveable sections. In addition, the impermeable membrane extends from the expandable member distal most end to the expandable member proximal most end. The secondary device is configured to be coaxially placed through the cannula lumen. The cannula proximal end is configured to operatively couple to a vacuum source configured to create a negative pressure to pull an undesirable material into the cannula lumen.

A system suitable for collecting and transporting urine away from the body of a person or animal may include an urine collecting assembly having a body, a sealing flange, and a reservoir within the body and partially defined by the sealing flange. The sealing flange can define an opening such that the interior of the body is accessible via the opening. A peripheral edge of the opening can be configured to seal around a shaft of a penis of a user disposed through the opening. The urine collecting assembly can also include an outlet in fluidic communication with the reservoir. The urine collecting assembly can be arranged such that a fluid can flow into the body from the urethral opening of the user's penis, collect in the reservoir, and flow out of the outlet.

Disclosed are a treatment tip, a hand tool and a high-frequency skin treatment device. A treatment tip includes a needle plate portion having a plurality of needles; an adapter board portion, fixed inside the treatment tip; and a first flexible printed circuit, mechanically and electrically coupled between the needle plate portion and the adapter board portion; in relation to the adapter board portion, the needle plate portion is driven to move forth at a first position and move back at a second position; and the plurality of needles are partitioned and controlled such that the radio frequency signal from the handpiece is transmitted sequentially through the adapter board portion, the first flexible printed circuit and the needle plate portion to the partitioned plurality of the needles that radiate the RF signal to different zones of the skin.

A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is captured by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.

A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is captured by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.

The invention discloses a postoperative drainage device for clinical nursing and a monitoring system, and belongs to the technical field of biomedical engineering. The problems that an existing device manually monitors drainage liquid data, consequently, the monitoring precision is insufficient, and the complication probability cannot be predicted are solved, drainage liquid and patient vital sign data are collected in real time through the micro spectrograph, the character multi-parameter sensor, the micro pressure sensor and the intelligent bracelet and transmitted to the remote monitoring platform, and the monitoring accuracy is improved. Medical staff can check real-time data of a patient at any time and adjust a treatment scheme in time, so that the nursing efficiency and quality are improved; multi-parameter data such as color, metering and property of drainage liquid and vital sign data are analyzed through a risk prediction model, intervention measures are dynamically adjusted according to different complication types and probabilities in combination with patient condition changes and real-time monitoring data, accurate intervention on the complication is achieved, and the occurrence rate and severity of the complication are reduced.

An applicator for treating acne including one or more microneedles, an optical sensor configured to detect acne, a removal system including a suction mechanism configured to remove acne material, and a chamber for containing the acne material, a remedy system configured apply one or more acne remedies, a light source configured to apply a light therapy to skin, and a processor configured to detect acne at one or more affected areas on skin, and direct the applicator to apply treatment, where the treatment includes penetrating the skin at the one or more affected areas with the one or more microneedles, removing acne material with suction mechanism, applying the light therapy to the one or more affected areas, and applying one or more acne remedies to the one or more affected areas.

A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is captured by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.

Urine collection systems and associated methods and devices are disclosed herein. A representative system can include a urine collection device, a flow control assembly configured to direct a urine flow from the patient to the urine collection device, and a urine measurement device including a first sensor and a second sensor. The first sensor is configured to generate first sensor data based on a weight of the container, and the second sensor is configured to generate second sensor data based on the urine flow from the patient to the container. The system can further include non-transitory computer readable media having instructions that, when executed by one or more processors, cause the system to perform operations comprising determining a first patient urine output based on the first sensor data; and determining a second patient urine output based on the second sensor data.

A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is captured by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.

An aspiration thrombectomy system for use with a vacuum source and an aspiration catheter includes an aspiration catheter, connection tubing configured to act as a common conduit for fluid communication between the aspiration catheter and a vacuum source, controllable valves operable to selectively open and close to control fluid flow, pressure sensors associated with the aspiration catheter or the connection tubing, and an automatic controller configured to operate the valves in a first operational state to generate fluid pressure changes, detect pressure levels in the system, wherein changes in the detected pressure levels are correlated with the generated fluid pressure changes, determine system states based on system state scores determined based on the detected pressure levels, the system state scores indicating a measure of occlusion in the aspiration catheter or the connection tubing, and operate the valves in a second operational state based on the determined system states.

A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is captured by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.

A leakage-proof wearable breast pump includes a milk bottle, a front cover, and a negative pressure chamber, the front cover and the negative pressure chamber are both arranged above the milk bottle and a connecting chamber is provided therebetween; the connecting chamber is provided above the bottle mouth of the milk bottle, a buffer chamber is provided between the milk bottle and the connecting chamber, and the buffer chamber is communicated with the milk bottle and the connecting chamber respectively. The user wears the breast pump to move, the liquid surface in the milk bottle will shake, thereby overflowing the bottle mouth or the vent hole. The buffer chamber can collect the milk overflowing and reflow it, thereby preventing leakage.

Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of the diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater element. Improvements are also disclosed in an application of negative pressure during a drain phase in peritoneal dialysis therapy, and to control an amount of intraperitoneal fluid accumulation during the therapy. Improvements in efficiency are also disclosed in movement of fluid into and out of a two-pump cassette and a heater bag of the peritoneal dialysis cycler, and in synchronization of operation of two or more pumps in the peritoneal dialysis cycler or other fluid handling devices using a multi-pump arrangement.

The invention relates to the technical field of drainage control, in particular to an intelligent cerebrospinal fluid drainage rate and pressure cooperative control system and method. The system comprises a drainage pipeline module, a positioning adjustment module, an intelligent pump control module, a monitoring sensing module, a cooperative control module and a man-machine interaction module, and can be used for establishing a cerebrospinal fluid drainage channel and being connected with a drainage bag; a laser positioning pen fixed on the infusion rod emits a laser beam which is horizontal to a preset drainage plane and adjusts the hanging height; an infusion pump and a pump body controller drive cerebrospinal fluid to flow according to set parameters and generate flow velocity, flow and drainage time control signals, meanwhile, real-time intracranial pressure data, real-time flow and flow velocity data and physical sign data are collected, and a drainage height adjusting instruction or a pump control parameter adjusting instruction is generated; cooperative control over the drainage rate and the intracranial pressure is achieved, and system operation parameters, patient monitoring data and the drainage state are displayed. The drainage device can accurately control the drainage amount of cerebrospinal fluid.

Embodiments are directed towards fluid collection assemblies that include at least one length adjusting feature, fluid collection assemblies including the same, and methods of using the same. An example fluid collection assembly includes a fluid impermeable barrier. The fluid impermeable barrier includes a distal region, at least one distal end region spaced from the distal region, and at least one intermediate portion extending from the distal region to the distal region. The fluid impermeable barrier also defines at least one length adjusting feature (“LAF”) extending from the distal end region to the distal region. The LAF allows the length of the fluid collection assembly to change. The ability of the fluid collection assembly to change the length thereof allows a penis of a patient to be disposed in preferential locations within the fluid collection assembly.

Devices, systems, and methods for a suction valve assembly for a medical device. The suction valve assembly may include a valve well and a valve stem. The valve stem may include a first seal, a second seal, and a third seal. The valve stem may include a first opening and a second opening fluidly coupled to each other via a lumen. The valve well may include a proximal opening, a distal opening, and an intermediate opening. The valve stem is configured to translate within the valve well and adjust between a first configuration in which the third seal is a barrier between the intermediate opening and the distal opening and the lumen is fluidly isolated from the intermediate opening, and a second configuration in which the first seal is a barrier between the proximal opening and the intermediate opening and the lumen is isolated from the proximal opening.

A neurovascular catheter is provided, such as for distal neurovascular access or aspiration. The catheter includes an elongate flexible tubular body, having a proximal end, a distal end and a side wall defining a central lumen. The side wall includes a tubular inner liner, a tie layer separated from the central lumen by the inner liner, a helical coil at least partially overlapping the tie layer, and a tubular braid. A first section of adjacent windings of the helical coil can be spaced farther apart from each other than a second section of adjacent windings of the helical coil.

Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of the diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater element. Improvements are also disclosed in an application of negative pressure during a drain phase in peritoneal dialysis therapy, and to control an amount of intraperitoneal fluid accumulation during the therapy. Improvements in efficiency are also disclosed in movement of fluid into and out of a two-pump cassette and a heater bag of the peritoneal dialysis cycler, and in synchronization of operation of two or more pumps in the peritoneal dialysis cycler or other fluid handling devices using a multi-pump arrangement.

Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of the diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater element. Improvements are also disclosed in an application of negative pressure during a drain phase in peritoneal dialysis therapy, and to control an amount of intraperitoneal fluid accumulation during the therapy. Improvements in efficiency are also disclosed in movement of fluid into and out of a two-pump cassette and a heater bag of the peritoneal dialysis cycler, and in synchronization of operation of two or more pumps in the peritoneal dialysis cycler or other fluid handling devices using a multi-pump arrangement.

A negative pressure wound therapy system includes a wound dressing, at least one pump fluidly coupled to the fluid interface, a pressure sensor fluidly coupled to the wound dressing, a control housing, and an electrical coupler. The wound dressing includes a sealing layer, an absorbent layer adjacent to the sealing layer, and a fluid interface attached to at least one of the sealing layer or the absorbent layer. The at least one pump is configured to apply negative pressure to the fluid interface to draw fluid from the wound dressing via the fluid interface. The pressure sensor is configured to detect a fluid pressure of the wound dressing. The control housing is remote from the wound dressing. The electrical coupler is configured to removably connect the control housing to the at least one pump.

The automated pump-based fluid management system described herein generally includes an intercostal pump having a resilient, flexible valve with an inlet and an outlet. The inlet is attached to a first tube extending from the intercostal pump to a first region of the patient's body, such as the patient's pleural cavity. The outlet is connected to a second tube extending from the intercostal pump to a second region of the patient's body, such as the patient's peritoneal cavity. In use, the intercostal pump is positioned between the patient's first and second ribs. The intercostal pump operates by continuous compression and decompression between the first and second ribs as the patient breathes.

A nasal aspirator capable of automatically relieving pressure comprises casing, air pump component, air bag, constant pressure device and suction component; wherein, the air pump component is communicated with the air bag, and the air bag is communicated with the constant pressure device; when the air pump component works, negative pressure will be generated in the air bag; when the pressure exceeds a threshold, a pressure releasing valve will be opened to keep the air pressure inside the air bag stable; when the pressure is less than the threshold, the pressure releasing valve will be closed; and the suction component is communicated with the air bag; it further comprises a switch component, wherein the suction component defines a path for external air to enter the air bag, and the suction component is also provided with a pressure releasing channel, and the switch component can open or close the channel.

A surgical drain system for use during and following surgery is provided. A collection reservoir is placed in fluid communication with the body of a user through a collection port. A pump creates a vacuum pressure to urge fluid into the collection reservoir. Fluid exits the collection reservoir through a drain port. A drain mechanism allows air to come into the collection reservoir through an air intake aperture and collected fluid to leave the reservoir simultaneously. The drain system can be worn beneath clothes.

The invention discloses a peritoneal drainage flushing device based on multi-dimensional parameter monitoring and a negative pressure regulation and control system, and belongs to the technical field of peritoneal drainage. The peritoneal drainage flushing device and negative pressure regulation and control system based on multi-dimensional parameter monitoring comprises a device support, a multi-channel rotary valve and two negative pressure pumps, a flow guide pipe and a backflow pipe are arranged between the two negative pressure pumps and the multi-channel rotary valve, and pipeline detection modules are installed on the flow guide pipe and the backflow pipe. The peritoneal drainage device solves the problems that an existing peritoneal drainage device is not ideal in treatment effect and affects the treatment effect when a drainage tube is blocked, early intervention is carried out by adjusting a negative pressure pump, a multi-channel rotary valve and a three-way electromagnetic valve, targeted treatment is automatically triggered at the early stage of complications through continuous and multi-dimensional monitoring, and the treatment effect is effectively improved. The tube blocking rate, the abdominal infection rate and the abdominal hypertension syndrome occurrence rate are remarkably reduced, the pain of a patient is relieved, the recovery time is shortened, and personalized and self-adaptive adjustment is carried out according to the physical state of the patient.

Example fluid collection system, and related methods of use are described. The fluid collection system includes a fluid collection device having a chamber and configured to collect fluid from a user in the chamber. The fluid collection system includes a first conduit in fluid communication with the chamber of the fluid collection device. The fluid collection system includes a handheld pump unit connected or connectable to the first conduit and including a pump configured to create a negative pressure to draw fluid from the chamber of the fluid collection device through the first conduit. The fluid collection system includes a fluid storage container having an interior region in fluid communication with the first conduit and configured to collect fluid drawn from the chamber of the fluid collection device through the first conduit.

The invention discloses a negative pressure suction system of an endoscope, which comprises a machine base, a double-head negative pressure pump is arranged in the machine base, the double-head negative pressure pump comprises a double-head negative pressure pump A and a double-head negative pressure pump B, the double-head negative pressure pump A is provided with a pump A air inlet and a pump A air outlet, and the double-head negative pressure pump B is provided with a pump B air inlet and a pump B air outlet; the double-head negative pressure pump A and the double-head negative pressure pump B are connected in series, and a pump A air inlet of the double-head negative pressure pump A is connected with a pump B air inlet of the double-head negative pressure pump B through a guide pipe; the machine base is further provided with a negative pressure monitoring protection bottle, the top of the negative pressure monitoring protection bottle is provided with an equipment end negative pressure input connector, a negative pressure output connector and a negative pressure measuring connector, and the equipment end negative pressure input connector, the negative pressure output connector and the negative pressure measuring connector are connected with a cavity of the negative pressure monitoring protection bottle in a communicated mode. According to the invention, the environmental interference in the operation can be reduced, the silencing and shockproof effects are improved, meanwhile, the safety protection is carried out on the negative pressure drainage, and the safe negative pressure is monitored in real time.

An example assembly for use with a vacuum system and an esophageal positioning device esophageal positioning device includes an introducer, in which the esophageal positioning device includes a handle, a first segment, a second segment and an articulation driving mechanism. The first segment being coupled to the handle. The second segment being pivotally connected to the first segment. The articulation driving mechanism being configured to pivot the second segment about the first segment upon articulation.