43 results about "Peritoneal dialysis" patented technology

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.

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 solid-liquid separation mechanism for the peritoneal dialysis waste liquid bag treatment device comprises a separation chamber, a moving mechanism, a guide rail assembly and a separation assembly, the separation chamber is located above the separation assembly, a peritoneal dialysis waste liquid bag achieves liquid-bag separation in the separation chamber through the separation assembly, and the separation chamber is connected with the moving mechanism and the guide rail assembly. The moving mechanism drives the separation chamber to move along the guide rail assembly, the broken peritoneal dialysis waste liquid bag falls into the separation chamber and stands in the separation chamber, so that the peritoneal dialysis waste liquid flows out of the broken peritoneal dialysis bag, the flowing-out peritoneal dialysis waste liquid flows out of the separation chamber through the separation assembly, and after the peritoneal dialysis waste liquid completely flows out, the moving mechanism drives the separation chamber to move along the guide rail assembly; and the peritoneal dialysis bag is pushed away from the separation chamber, so that the peritoneal dialysis waste liquid is separated from the peritoneal dialysis bag.

The utility model provides a peritoneal dialysis liquid bag separator, which belongs to the technical field of recovery devices, and comprises a separation box, a separation cavity and a discharge channel, the extrusion assembly comprises a first extrusion part and a second extrusion part, and an extrusion channel is formed between the first extrusion part and the second extrusion part; a cutting mechanism; the driving assembly comprises a first driving element and a second driving element; the liquid recycling box is provided with a liquid inlet channel, a liquid cavity and a liquid outlet channel. The peritoneal dialysis bag separation device has the advantages that a peritoneal dialysis bag enters the separation box through the feeding channel, after the cutting mechanism cuts the peritoneal dialysis bag, the peritoneal dialysis bag is extruded through the first extrusion piece and the second extrusion piece, liquid is discharged and flows into the liquid recovery box, and the hollow peritoneal dialysis bag is taken out through the discharging channel.

Embodiments pertain to a peritoneal dialysis system, comprising: a controller; a durable unit, and a disposable unit that comprises a housing and that is removably couplable with the durable unit, the disposable unit configured to receive a tube having a channel, the tube being compressible by a wheel of the pump such to cause flow of fluid within the channel. The disposable unit and / or the tube comprises at least one flow breaker configured to block the fluid of fluid through the tubing. The durable unit further comprises a slider platform for receiving at least one biasing element; and at least one actuator controllable by the controller. The slider platform can be actuated to controllably slide, relative to the at least one flow breaker, from a retracted position to an advanced position for changing a flow breaker configuration.

The invention provides a closed peritoneal dialysis waste liquid treatment device, and belongs to the technical field of medical instruments. Comprising a lower box body, an upper box body is fixed to the top of the lower box body, and a throwing opening is fixed to the top of the upper box body; a pair of rotating rollers is installed in the lower box body, a plurality of blades are fixed to the rotating rollers, and a motor is fixed to the outer side of the feeding opening. By arranging the rotating plate, the handle, the placement box and the water guide hopper, a peritoneal dialysis waste liquid bag filled with peritoneal dialysis waste liquid is cut by the blade and falls onto the rotating plate, the peritoneal dialysis waste liquid in the peritoneal dialysis waste liquid bag can flow into a sewer line along the water guide hopper, and after the peritoneal dialysis waste liquid flows out, the rotating plate is rotated through the handle; the peritoneal dialysis waste liquid bag can fall into the garbage can in the containing box, so that the separation function is achieved, hand pollution caused by manual taking of medical staff is avoided, and safety and hygiene are improved.

The application discloses an ultrasonic guidance-based peritoneal perfusion and drainage integrated system, relates to the perfusion and drainage control technical field, and comprises an ultrasonic guidance module, a puncture and establishment module, a liquid medicine processing module, a perfusion and drainage execution module, a state determination module and a cooperative control module; first, a puncture target point, a puncture path and a peritoneal perfusion baseline image data before perfusion are determined based on real-time ultrasonic images, then puncture and establishment, peritoneal chemotherapy liquid preparation, peritoneal dialysis machine perfusion and drainage execution are completed, and the liquid diffusion state, the target area coverage state and the abnormal state are determined in combination with real-time ultrasonic images, execution parameters and vital signs, and then cooperative control instructions are generated; the accuracy of target area coverage determination in the peritoneal tumor targeted chemotherapy process can be improved, and the safety and adaptability of perfusion and drainage control can be enhanced.

The utility model provides a drainage bag with a specimen taking and remaining function. The drainage bag comprises a drainage bag body, the top of the drainage bag body is connected with a drainage tube, one end, far away from the drainage bag body, of the drainage tube is connected with a quick connector, the bottom of the drainage bag body is provided with a sampling tube, the drainage tube is provided with a first stop valve, and the sampling tube is provided with an adjusting valve. A drainage tube of a drainage bag body is connected with a peritoneal dialysis tube in a patient body through a quick connector, during sampling, a first stop valve on the drainage tube is closed, a second stop valve on a connecting tube is opened, then an adjusting valve is adjusted, the flow of drainage liquid flowing into a liquid collecting box during sampling is controlled, medical staff squeezes the drainage bag body, and the peritoneal dialysis tube is connected with the peritoneal dialysis tube. Drainage liquid flows from the drainage tube to the connecting tube and then flows into the liquid collecting box. The device ensures that the drainage liquid is not contacted with the outside in the whole sampling process, ensures the accuracy of inspection, prevents the drainage liquid from polluting and damaging the external environment and avoids cross infection, and meanwhile, the liquid collecting box is convenient to transfer.

The centrifugal exchange peritoneal dialysis returning structure comprises a feeding mechanism, a first spraying mechanism, a crushing and grinding cavity and a second spraying device, the first spraying mechanism is located at the feeding end of the feeding mechanism to dissolve salt on the surface of kitchen garbage, the feeding mechanism is provided with a draining groove, and the second spraying mechanism is located at the feeding end of the draining groove. The output end of the feeding mechanism communicates with the crushing and grinding cavity, the second spraying device sprays water to the crushing and grinding cavity, a driving motor and a grinding disc are arranged in the crushing and grinding cavity, and the grinding disc is driven by the driving motor to crush kitchen garbage entering the crushing and grinding cavity and remove salt in the kitchen garbage under the action of centrifugal force. The first spraying mechanism is arranged on the feeding mechanism to spray hot water to the kitchen garbage of the feeding mechanism so as to quickly dissolve salt on the surface of the kitchen garbage, and the dissolved salt enters the oil-water separation mechanism through the draining groove for oil-water separation.

The utility model provides a peritoneal dialysis drainage bag with a sampling interface, which comprises a drainage bag body, a drainage tube and a sampling pipeline are respectively arranged on the drainage bag body, the drainage tube is respectively communicated with a dialysis interface and an infusion tube through a three-way joint, an infusion interface is arranged on the infusion tube, and the sampling pipeline is communicated with the dialysis interface. And the sampling pipeline is provided with a sampling interface. The sampling pipeline is arranged on the drainage bag body, and the sampling connector is arranged on the sampling pipeline, so that waste liquid in the drainage bag body can be sampled and detected through the sampling connector when a waste liquid sample needs to be detected, and the waste liquid sample is more convenient to take and use.

This invention discloses an ultrasound-guided integrated peritoneal perfusion and drainage system, relating to the field of perfusion and drainage control technology. The system includes an ultrasound guidance module, a puncture and patency establishment module, a drug processing module, a perfusion and drainage execution module, a status determination module, and a collaborative control module. First, it determines the puncture target point, puncture path, and pre-perfusion peritoneal ultrasound baseline image data based on real-time ultrasound images. Then, it completes puncture and patency establishment, peritoneal chemotherapy drug preparation, peritoneal dialysis perfusion, and drainage execution. It combines real-time ultrasound images, execution parameters, and vital signs to determine the drug diffusion status, target area coverage status, and abnormal status, thereby generating collaborative control commands. This system can improve the accuracy of target area coverage determination during targeted chemotherapy for peritoneal tumors and enhance the safety and adaptability of perfusion and drainage control.

A peritoneal dialysis (“PD”) system includes a PD fluid pump, a dual lumen patient line including fresh and used PD fluid lumens, a filter set in fluid communication with the fresh and used PD fluid lumens, a valve provided either with a patient's transfer set or with the filter set, and a control unit configured, after a patient drain, to (i) prompt a patient or caregiver to close the valve when the valve is a manual valve, or (ii) cause the valve to close automatically when the valve is an electrically or pneumatically controlled valve. The control unit is further configured to cause the PD fluid pump, with the valve closed, to pump fresh, heated PD fluid into the fresh PD fluid lumen to displace unheated PD fluid from the fresh PD fluid lumen, through the filter set, into the used PD fluid lumen. A corresponding method is also disclosed.

The invention discloses a peritoneal dialysis waste liquid bag intelligent treatment device which comprises a box body, a putting unit, a crushing unit, a solid-liquid separation unit and a control unit, the crushing unit is installed in the box body to crush a peritoneal dialysis waste liquid bag, and the putting unit is installed on the box body to weigh the peritoneal dialysis waste liquid bag and put the peritoneal dialysis waste liquid bag into the crushing unit; the solid-liquid separation unit is installed in the box body and located below the crushing unit to separate the peritoneal dialysis waste liquid from the peritoneal dialysis bag, the control unit is installed on the box body to control the device to operate, the peritoneal dialysis waste liquid bag is put into the box body through the putting unit and falls into the crushing unit, and the peritoneal dialysis waste liquid bag is crushed through the crushing unit. The broken peritoneal dialysis waste liquid bag falls into the solid-liquid separation unit and stands in the solid-liquid separation unit until the peritoneal dialysis waste liquid completely flows out of the peritoneal dialysis bag, the peritoneal dialysis waste liquid and the peritoneal dialysis bag are separated through the solid-liquid separation unit, independent collection of the peritoneal dialysis waste liquid and the peritoneal dialysis bag is completed, an operator is prevented from making direct contact with the peritoneal dialysis liquid, and cross infection is avoided; the working efficiency is improved.

Methods and drain systems for fluid flow monitoring and remote draining are described. In one example, the present disclosure describes a medical device drain system for monitoring, measuring, or otherwise managing the drainage of medical waste fluids, for instance, spent dialysate exiting a patient during a dialysis treatment. In some embodiments, the dialysis system may be a peritoneal dialysis (PD) system, including a gravity-based dialysis system, an APD system and / or a CAPD dialysis system. The drain system may include sensors for determining properties of the fluid drained from a patient. The drain system may include a remote liquid pump system configured to allow for pump-based draining of fluid from a patient to a drain located remote from the patient. The remote liquid pump system may be configured to receive at least one wireless signal to operate at a remote distance from the medical device. Other embodiments are described.

The utility model provides a kind of peritoneal dialysis short tube storage structure, belong to peritoneal dialysis appliance technical field, including elastic bandage, and elastic bandage both ends are sewn with elastic band, and the elastic bandage one end of elastic band one end is sewn with magic sub-paste, and the elastic bandage other end of elastic band one end is sewn with magic mother paste, and the elastic bandage middle part is equipped with first chain, and the inside of first chain is engaged with second chain, and second chain is sewn with storage bag, and the middle part of storage bag is equipped with tenacity board, and the side of tenacity board is equipped with through hole, and peritoneal dialysis tube is connected in through hole, the utility model provides a kind of peritoneal dialysis short tube storage structure, peritoneal dialysis tube is passed through the through hole in the middle part of soft rubber ring, when patient turns over or walks, soft rubber ring protects the folding of peritoneal dialysis tube, keeps the flow of liquid and separates the folding of peritoneal dialysis tube with tenacity board, keeps the overall shape of peritoneal dialysis tube.

The present invention discloses a system for evaluating the efficacy of end-stage renal disease and predicting the risk of complications, comprising: a data input preparation module for acquiring and preprocessing the ophthalmic examination data and metadata of hemodialysis and peritoneal dialysis patients; a model training and evaluation module for training a model using machine learning algorithms and classical statistical regression, and selecting a model using the cross-validation method and combining the accuracy rate of the model; and a prediction result output module for respectively outputting corresponding classification results and prediction probabilities through the efficacy evaluation model and the complication and prognosis risk prediction model. By adopting the embodiment provided by the present invention, a comprehensive evaluation can be made on the treatment conditions and long-term prognosis of end-stage patients before treatment, during treatment, and during long-term follow-up.

A peritoneal dialysis system comprises a cycler including a peristaltic pump actuator, and a weigh scale; a disposable set including a peristaltic pump tube operable with the peristaltic pump actuator, a patient line in fluid communication with the peristaltic pump tube, and a heating container in operable communication with the weigh scale; and a control unit configured to cause (i) the peristaltic pump actuator to operate at a rotational speed to cause an amount of fluid to enter the heating container, (ii) weigh the amount of fluid, and (iii) determine at least one of a mass rate or volume rate for the rotational speed.

1. Name of the design product: abdominal cavity purifier (hybrid type). 2. Use of the design product: used for minimally invasive surgery assistance. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The invention provides an intelligent peritoneal dialysis tube wound monitoring application which comprises a dressing body, and a monitoring module used for monitoring the skin temperature of a wound is arranged on the dressing body. The monitoring module comprises a temperature sensing array module for sensing the temperature, and the temperature sensing array module is attached to the dressing body through a heat conduction part; the surface or the outer edge of the dressing body is connected with a bonding layer, and the bonding layer is bonded to the periphery of a wound. The skin temperature data is collected in real time, and the high-sensitivity multi-point metal semiconductor array is combined, so that dynamic monitoring and early inflammation recognition of the wound healing process are realized. And the wound state is visually displayed through the thermodynamic diagram, so that medical care can visually judge and timely intervene. The scheme supports wireless remote transmission, is suitable for remote nursing and intelligent dressing change decision making, and has remarkable advantages and application prospects in the aspects of improving nursing intelligence, relieving medical care burden, guaranteeing patient safety and the like.

The utility model discloses an external fixing device for a dialysis tube, which relates to the technical field of dialysis tube fixation and comprises a peritoneal dialysis waistband, magic tapes are respectively sewn at the end parts of the peritoneal dialysis waistband, the front end of the peritoneal dialysis waistband is connected with a storage pocket, and shoulder straps are symmetrically distributed at the left end and the right end of the peritoneal dialysis waistband. According to the peritoneal dialysis belt, the two sets of shoulder straps are arranged, the device can be hung on the shoulders of a patient so as to effectively prevent the peritoneal dialysis belt from sliding down when the peritoneal dialysis belt is used, the protection effect on an affected part can be effectively guaranteed, the connecting block and the limiting block are arranged, and in the using process, the connecting block and the limiting block are not prone to falling down. Through mutual cooperation of a connecting block and a limiting block, the use length of a shoulder strap can be adjusted to meet the use requirements of patients with different body types, so that the applicability of the device in the use process can be effectively improved, a worker can conveniently separate the shoulder strap from the peritoneal dialysis waistband through cooperation of a son buckle and an anti-skid block, and the practicability is high. Therefore, replacement and maintenance of the shoulder straps are realized.

A kind of peritoneal dialysis tube fixing device, including jacket and fixed mechanism arranged on jacket, the jacket includes the main body arranged on the back of human body, shoulder strap arranged on the upper part of main body both sides and waistband arranged on the lower part of main body both sides, the fixed end of two described waistband is fixedly connected with main body, the free end of two waistbands is movably connected each other by connecting piece, the fixed mechanism includes the perforation arranged on waistband and the hoop band arranged on waistband and located on the side of perforation.The utility model principle: the waistband is divided into two, and it is convenient to wear jacket and adjust the tightness of waistband;The setting of shoulder strap can prevent the downward movement of waistband, so that the position of peritoneal dialysis tube fixed on waistband remains unchanged;When fixing, peritoneal dialysis tube is passed out to the front of waistband from perforation, then peritoneal dialysis tube is inserted into hoop band and is fixed.

The utility model relates to a manual injector for assisting the resetting of a peritoneal dialysis tube, which comprises an injector main body, a Luer interface is arranged at the top end of the injector main body, a Luer inner cavity of the Luer interface is inserted into a connecting port of the peritoneal dialysis tube which is remained outside a patient, and a Luer inner screw of the Luer interface is connected with an outer screw of the connecting port; a one-way piston is arranged at a liquid injection opening in the injector main body and is fixed through a cross; a push injection rod is arranged in the push injector body, a liquid inlet pipe is arranged on one side of the push injection rod, and a one-way valve is arranged at a liquid inlet in one end of the liquid inlet pipe; the peritoneal dialysis tube reset device has the advantages that the push-injection device is firmly connected with a connecting port, reserved outside a patient, of a peritoneal dialysis tube, peritoneal dialysis liquid is pushed and injected into the abdominal cavity in a pulse type fast pressurization mode to achieve the effect of peritoneal dialysis tube reset, patient tolerance is good in the reset process, the treatment effect is good, and the operation is easy. The subsequent dialysis treatment is not influenced.

A dialysis-ultrasound system is described that includes an ultrasound therapy device integrated with a catheter to incorporate ultrasound therapy into a dialysis system. The ultrasound device may be or may include a high-intensity focused ultrasound (HIFU) device or peripheral focused ultrasound stimulation (pFUS) device. The ultrasound therapy may target the liver, for example, to treat diabetes. In one example, a system includes a catheter configured to be arranged within the peritoneal cavity of a patient for peritoneal dialysis (PD), and an ultrasound device configured to emit ultrasound waves. The ultrasound device is integrated with the catheter and is arranged on the catheter to be implanted within the peritoneal cavity of the patient to provide ultrasound therapy to a target region of the patient. Other embodiments are described.

Systems and devices are provided for heating an infusible liquid. The inline heater includes a fluid flow channel defined by a conduit for flowing an infusible liquid through a first portion of the conduit having a first cross-sectional dimension to a second portion of the conduit having a smaller second cross-sectional dimension. A nozzle is disposed in the first portion of the conduit. A heating element in thermal communication with an outer surface of the second portion of the conduit conducts heat through the conduit into the infusible liquid. The nozzle is positioned to spray the infusible liquid about a circumference of an inner wall of the second portion of the conduit to provide increased heat transfer from the heating element to the infusible liquid. The inline heater may be formed as a cassette for use in a dialysis machine.

The utility model relates to a peritoneal dialysis tube fixing device which comprises a bottom fixing application, one side edge of the fixing application is provided with a fixing part, the fixing part is provided with a semicircular cylinder, the upper side wall of the semicircular cylinder is provided with an extending part, and the tail end of the extending part is provided with a first winding strip and a second winding strip. A first sticking piece is arranged below the extending part, a second sticking piece is arranged at the lower tail end of the first winding strip and the lower tail end of the second winding strip, the catheter penetrates through the semicircular cylinder, the first winding strip and the second winding strip are wound around the tail end of the catheter in a crossed mode, and the first winding strip and the second winding strip are fixed to the fixing application through the second sticking piece.

1. The name of the product of this design: abdominal penetrating belt. 2. Purpose of this design product: used for fixing and protecting peritoneal dialysis tubing. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention belongs to the technical field of peritoneal dialysis horizontal scales, and provides a multifunctional peritoneal dialysis horizontal scale and a use method thereof, and the multifunctional peritoneal dialysis horizontal scale comprises a horizontal scale used for peritoneal dialysis liquid detection treatment; the detection mechanism is arranged on the horizontal scale and is used for placing and detecting the peritoneal dialysis liquid; the regulation and control mechanism is arranged on the horizontal scale and used for regulation and control recording during peritoneal dialysis liquid detection; the level scale is convenient to cooperate with a computer, automatically store digits and automatically photograph to electronically identify the clarity of peritoneal dialysis liquid, meanwhile, data such as blood pressure, weight and urine volume can be manually input, all digits are electronized, and therefore the purpose of facilitating data collection is achieved, the data can be uploaded to a mobile phone end and a computer end, carrying and calling are convenient, and use is convenient. And secondly, during remote communication, remote real-time monitoring through a camera is facilitated, and doctors can conveniently carry out reference and propose a rectification scheme for processing.

The utility model belongs to the field of medical nursing boxes, particularly relates to a multifunctional portable peritoneal dialysis nursing box, and aims to solve the problems that an existing device plays a certain role in carrying articles required by peritoneal dialysis when in use, but needs to be carried on a patient or a nurse when the patient goes out for a long time, and the articles are inconvenient to carry when the patient goes out for a long time. In order to solve the problem that the body labor intensity of a patient is increased when the patient carries more peritoneal dialysis liquid, the following scheme is provided: the peritoneal dialysis liquid storage device comprises a storage box, a cover plate is hinged to the top of the storage box, and the same lock catch is arranged on one side of the cover plate and one side of the storage box. When the multifunctional portable peritoneal dialysis nursing box is used, the convenient mechanism plays a crucial role in the multifunctional portable peritoneal dialysis nursing box, so that the portability and the use safety of the nursing box are improved, the storage and taking processes are optimized, and the use experience and the multifunctionality of a user are improved.

Systems, components, and methods are provided for a disposable peritoneal dialysis cassette. The disposable peritoneal dialysis cassette includes a diaphragm pump that is operated with a pneumatic system. The pneumatic system uses pneumatic surfaces having a plurality of openings in contact with the diaphragm pump to control pumping of fluid through the peritoneal dialysis cassette.