23 results about "Extracorporeal" patented technology

The utility model discloses an emergency treatment in-vitro cooling device, which belongs to the technical field of in-vitro cooling, and comprises a bottom plate, a groove is formed in the top of the bottom plate, bearings are fixedly connected to the opposite inner walls of the groove, rotating shafts are rotatably connected to the interiors of the two bearings, the opposite ends of the two rotating shafts are fixedly connected with the same screw rod, and the same screw rod is fixedly connected with the screw rod. The surface of the lead screw is in threaded connection with a threaded block, the top of the threaded block is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with two sets of air cylinders, and the two sets of air cylinders are internally provided with blowing fans. And through operation of the blowing fan, the body of the patient can be cooled, and through operation of an electric push rod, the height of a frame plate can be adjusted.

A hemodiafiltration system with a disposable pumping unit is disclosed. An example system includes a medical fluid pump actuator, a medical fluid heater, a blood filter and a disposable unit. The example disposable unit includes a medical fluid cassette portion including a medical fluid cassette housing configured to be operatively connected to the medical fluid pump actuator to pump medical fluid through the medical fluid cassette portion when the medical fluid cassette portion is in fluid communication with a medical fluid source. The example medical fluid cassette portion is also configured to be placed in fluid communication with the blood filter and with an extracorporeal circuit communicating with the blood filter, the fluid communication enabling hemodiafiltration to be performed. The example disposable unit also includes a heater bag configured to be placed in operable communication with the medical fluid heater and in fluid communication with the medical fluid cassette portion.

A multi-layered bio purifier includes a plurality of layers. Each layer may include a membrane having a first side and a second side opposite the first side, a first channel formed on the first side, and a second channel formed on the second side. Further, each layer may include a first type of cells formed on the first side in the first channel and a second type of cells formed on the second side in the second channel. The multi-layered bio purifier includes a first manifold assembly to split incoming blood into the first channel and the second channel of the plurality of layers and a second manifold assembly to combine processed blood from the first channel and the second channel of the plurality of layers. The processed blood may include detoxified or purified blood.

The portable self-adaptive extracorporeal shock wave orthopedic treatment device comprises a bandage, a treatment head and a fixing band, the bandage is composed of a bandage body and a base, and the section of the bandage body is in a U shape; the edge of the base is connected with the edge of the bandage body, and the base and the bandage body define a closed cavity. A plurality of mounting holes are formed in the substrate at intervals; the treatment head is mounted at the mounting hole in the base, and the action end of the treatment head extends towards one side far away from the cavity; the treatment heads at different positions can generate extracorporeal shock waves with different intensities and frequencies according to the bone mineral density loss condition to act on a human body part; the fixing bands are installed at the two ends of the bandage, and during use, the bandage surrounds the part, needing to be treated, of the body and is fixed through the fixing bands. The device self-adaptively recognizes the condition of a to-be-treated part of a patient, and accurately sends out shock waves to prevent and treat bone loss; the device is portable and small, can be used under microgravity, can be operated by a patient, and improves the treatment convenience.

The invention relates to a medical treatment machine with connection points for disposable tubing that can be connected to a patient's extracorporeal circuit. To improve hygiene, these connection points are optimally dried before the disposable tubing is connected.

The utility model relates to an anti-bruise drainage tube and a drainage tube assembly, and belongs to the technical field of drainage tubes. Comprising a drainage tube body, and the drainage tube body comprises an in-vivo tube section and an in-vitro tube section which are independent; a flow guide channel is arranged in the pressure-proof base; a first connecting end and a second connecting end which are communicated with the flow guide channel are arranged on the pressure-resistant base; the pressure-resistant base is provided with a bottom face used for being attached to the skin. Wherein one end of the in-body pipe section is fixedly connected with the first connecting end in a sealing manner; one end of the in-vitro pipe section is hermetically and rotatably connected with the second connecting end, so that the in-vitro pipe section can circumferentially rotate relative to the pressure-resistant base; and the bottom surface is provided with a bonding part fixed with the skin. The in-vitro pipe section can adjust the leading-out angle along with the actions of turning over, sitting up and the like of the patient, so that the lateral turning torque generated on the pressure-resistant base due to rigid traction of the pipeline is greatly reduced, and the bottom surface is always stably attached to the skin.

1. The name of the design product: brain-computer interface external machine. 2. The use of the design product: for electroencephalogram signal processing and information transmission. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

Disclosed herein is an ultrasound barrier chamber for a fluid system, e.g., which facilitates the de-air of a fluid line using an ultrasound signal. In some examples, the fluid line may include, for example, an extracorporeal blood circuit for use in a dialysis process. In one example, a device for monitoring an extracorporeal circuit having a blood pump disposed therein to deliver blood may include one or more ultrasound transducers positioned in a predetermined vicinity of a vent of an instillation chamber of the extracorporeal circuit, one or more ultrasound transducers positioned in a predetermined vicinity of the vent of the instillation chamber of the extracorporeal circuit, and one or more ultrasound transducers positioned in a predetermined vicinity of the vent of the instillation chamber of the extracorporeal circuit. And a controller coupled to the one or more ultrasound transducers, the controller configured to enable the one or more ultrasound transducers to transmit an ultrasound signal that displaces particles in the contents of the instillation chamber away from the vent. Other embodiments are described.

A cannula (100) for an extracorporeal life support system may include a tubular element (110) and an actuation structure (140). The actuation structure (140) may be configured to be sensitive to an external stimulus such that an internal diameter of the tubular element (110) changes when the external stimulus changes. A system may include the cannula (100) and a control device (30) in electrical communication with the actuation structure (140). The control device may be configured by a user to set a desired value for an internal diameter of the tubular element (110). Figure for the abstract: Fig. 1

An advanced system and methods for treatment of cancer and other diseases including complications from late-stage viral infections by inducing hyperthermia in a patient relying on withdrawing blood from the patient and returning the withdrawn blood to the patient to establish a continuous extracorporeal flow circuit. Blood is heated by passing through the extracorporeal circuit at a controlled rate until a target body core temperature in is achieved. An innovative concept inherent in the instant invention is the incorporation of an ECMO machine to provide oxygenation. Usually, the blood will be subjected to a continuously re-circulating dialysis to balance electrolytes. Additionally, the blood will be subjected to a continuously recirculating regeneration through a carbon sorbent column where toxins and contaminants are removed. The blood temperature is maintained at the target blood temperature for a treatment period, and the blood is cooled after the treatment period has been completed.

The invention relates to the field of cooling devices, in particular to an emergency treatment in-vitro cooling device which comprises a bed plate, a limiting plate assembly, a trunk area cushion, a head area cushion, a cooling pipe, a cooling water tank, a water tank inlet and outlet pipe set, a head cooling assembly and a trunk cooling assembly. A limiting plate assembly used for limiting the fever patient from moving disorderly after lying down is installed on the rear side of the upper end of the bed plate. A fever patient is limited to move disorderly after lying down through the limiting assembly, the back, the head and the neck of the lying patient can be subjected to water cooling, heat of the body surface is effectively taken away, the body temperature is rapidly reduced, meanwhile, the chest area, the hand area and the leg area of the patient are all coated with alcohol through the alcohol smearing roller moving front and back, and therefore the patient feels comfortable. The cooling device is long in duration time, capable of reducing side effects or anaphylactic reactions possibly caused by drugs, high in automation degree and quite suitable for emergency treatment.

Extracorporeal blood flow circuit devices can be used during medical procedures such as on-pump open-heart surgery. For example, extracorporeal heat exchange and oxygenation devices can be used to facilitate surgical procedures such as coronary artery bypass grafting. In some embodiments, such an oxygenation device can include an integrated air removal structure. In particular embodiments, the air removal structure can comprise one or more porous hollow fibers.

The invention discloses an intervention pump in-vitro simulation cycle testing device which comprises a supporting system, a blood pump system, a bionic cardiovascular simulation system, a sensing and measuring system and a control system. The support system is used for bearing and fixing each component and integrating an electric signal input interface and a serial communication interface; the blood pump system comprises a servo motor and a base, and the servo motor rotates to drive the base and the bionic left ventricle model to rotate; the bionic cardiovascular simulation system comprises a bionic left ventricle model, a valve device and a simulated cardiovascular loop, and the sensing and measuring system is used for monitoring hemodynamic parameters of the loop in real time; and the control system is used for receiving the hemodynamic parameters and controlling the servo motor to output motion meeting physiological characteristics. The device is simplified in structure, high in integration level, modular in design, capable of supporting quick disassembly and assembly, improved in maintenance efficiency, capable of reducing operation difficulty and personal errors and capable of reducing blood injury risks at the same time. The system is high in control stability and high in physiological simulation precision.

The utility model discloses a trocar and an implantation system, and belongs to the technical field of medical instruments. The trocar comprises a trocar body and a channel penetrating in the length direction of the trocar body, the trocar body comprises a first trocar part and a second trocar part which are arranged in the length direction of the trocar body, the first trocar part is used for being located outside a body, the second trocar part can be implanted in the body, and the first trocar part is pre-formed with an open groove or can form an open groove; the slot extends from one end, away from the second tube part, of the first tube part to the other end, the side face of the tube body is communicated with the outside through the slot, and the channel and the slot are both used for allowing electrode wires to penetrate through. The trocar and the implantation system provided by the utility model can be compatible with a single electrode lead and a plurality of branched electrode leads, so that the use requirements are met.

The present invention is directed generally to a method and apparatus for human brain neuroprotection during surgery. The invention includes use of a heart-lung machine to generate periodic rectangular pulsation of blood flow. The invention uses a non-invasive CA monitor to continuously record transient functions such as dynamic autoregulation functions of a human brain cerebrovascular autoregulation system and process the data to generate an alarm to indicate CA impairment and take steps to minimize the CA impairment event.

The utility model relates to the technical field of medical instruments, and provides an arterial thrombus protection device and an embolism system. The filtering piece comprises a shape memory skeleton and a woven net film which is arranged on the shape memory skeleton and is used for intercepting thrombus; the two ends of the shape memory framework are closed up through the first annular piece and the second annular piece correspondingly. The first annular piece fixedly sleeves the guide wire, and the second annular piece slidably sleeves the guide wire; one end of the traction wire is connected with the second annular piece, and the other end is in vitro. According to the arterial thrombus protection device, the filtering piece can be adjusted in a self-adaptive mode according to the size of a blood vessel, the filtering piece can be better attached to the blood vessel, and therefore the effect of capturing fallen plaques or thrombus is improved, and the risk of an operation is reduced; and moreover, the position movement of the filtering piece caused by the length change of the guide wire placed in the body can be avoided, and the operation effect and safety are ensured.

The invention relates to the technical field of medicine, and provides an arterial perfusion tube for small animal in-vitro lung perfusion, which comprises a perfusion main tube group, the perfusion main tube group is U-shaped, the output end of the perfusion main tube group is fixedly connected with a conical insertion conical head, the top end of the conical insertion conical head is in the shape of a sharp-free smooth cone, and the top end of the conical insertion conical head is connected with the perfusion main tube group. The perfusion main pipe group is inserted into a pulmonary artery trunk of a mouse or a rat, and a rotating part for steering is arranged at the bottom of the middle end of the perfusion main pipe group; the output end of the first perfusion catheter is communicated with the input end of the main perfusion pipe set, and the input end of the first perfusion catheter is connected with a second perfusion catheter through an air filtering assembly so as to be connected into an external perfusion liquid supply part. The integral U-shaped smooth pipeline structure is adopted, and the device can naturally conform to the thoracic anatomy direction of an experimental animal in the implanting and connecting process, so that the infusion tube implanting process is remarkably simplified, the operation preparation time is shortened, and the dependence on the thoracic anatomy operation skill of an operator is reduced.

The invention discloses an ECMO arterial duct for improving limb far-end blood supply, and relates to the technical field of medical instruments, and the ECMO arterial duct is technically characterized in that the ECMO arterial duct comprises a duct main body adopting an integrated double-cavity separation design, and a circulation support cavity and a far-end perfusion cavity which are not communicated with each other are formed. The tail end opening of the circulation supporting cavity is used for supplying blood to aorta abdominalis, and the side wall of the far-end perfusion cavity is provided with a side hole for supplying blood to the far end of the limb. An annular blocking water bag is arranged on the outer wall of the catheter and can be attached to the inner wall of a blood vessel after being filled, two-cavity blood flow is separated, backflow is prevented, and the far-end perfusion efficiency is improved. The in-vitro section is provided with a flow limiting device and a flow sensing device which are connected in series, and real-time monitoring and closed-loop regulation and control of blood flow are achieved. Circulation support and limb far-end perfusion can be synchronously completed through single puncture, puncture injury and operation risks are reduced, and the risk of lower limb ischemia caused by indwelling delay of a far-end perfusion tube due to untimely evaluation or wrong evaluation is avoided. The problem of limb far-end ischemia after ECMO catheterization is effectively solved.

The utility model relates to medical instrument technical field especially a gastrointestinal decompression device, the utility model discloses a suction mechanism, cleaning mechanism and adjusting mechanism, the suction mechanism includes content collection box, liquid inlet end via patient nasal cavity or oral cavity and inserts to the inside of patient gastrointestinal and liquid outlet end with content collection box intercommunication's gastrointestinal tube, and the suction pump that communicates with gastrointestinal tube and the first check valve that can provide gas or liquid from patient gastrointestinal one -way to gastrointestinal tube inside flow and are fixed in gastrointestinal tube liquid inlet end department place, the cleaning mechanism includes with the liquid inlet pipe that communicates with the one end of gastrointestinal tube and is located patient extracorporeal, and the liquid pump that communicates with liquid inlet pipe and the liquid storage tank that communicates with liquid inlet pipe liquid inlet end, the device can avoid the backwash of the washing liquid and the content washed out in the process of flushing to the gastrointestinal of patient and then reduces the impact and the uncomfortable feeling of patient gastrointestinal.

The utility model discloses a bubble adsorption device for extracorporeal circulation pipeline connection, which comprises an arc-shaped connecting pipe, an exhaust structure for automatically adsorbing air in blood is arranged in the middle of the outer arc-shaped surface of the arc-shaped connecting pipe, and clamping structures are arranged at the two ends of the arc-shaped connecting pipe. Wherein one clamping structure is connected with a heart aorta cannula, and the other clamping structure is connected with an access pipe of a body temperature circulator. In the heart aorta cannula and heart open surgery process, along with blood diversion, air in blood can be rapidly separated from the blood, and the blood can be rapidly separated from the heart aorta cannula; and meanwhile, the two ends of the arc-shaped connecting pipe can be quickly connected with the heart aorta cannula and an access pipe of the body temperature circulator, and the connecting stability is good.

The invention discloses an ice cap and a brain protection device, and relates to the technical field of medical instruments. The ice cap is used for the extracorporeal circulation operation and comprises an inner cap body and an outer cap body, the outer cap body is arranged on the inner cap body, a fluid filling cavity used for being filled with a cooling medium is defined by the outer cap body and the inner cap body, and the fluid filling cavity is suitable for being communicated with an external cooling machine. According to the ice cap, the fluid filling cavity is formed in the ice cap to contain the cooling medium, compared with a conventional manual ice water adding scheme, medical workers do not need to replace ice water when the ice cap is used, the using convenience of the ice cap is greatly improved, the cooling effect is improved, and therefore the brain protection effect is improved. In addition, the ice cap convenient to disassemble is provided, by arranging a zipper or a hook-and-loop fastener and the like, medical staff can conveniently open the ice cap and adjust the position of a monitoring device of the brain, operation is more convenient and faster, the monitoring device can be located at a proper examination position, and the medical monitoring accuracy is improved.

Provided is a custom-processed human extracorporeal organ, which belongs to the field of custom-processed human extracorporeal organs. The custom-processed human extracorporeal organ comprises: an organ body, a first connecting member, and a second connecting member. The first connecting member is disposed on the organ body, and the second connecting member is detachably connected to the first connecting member. The second connecting member is configured to be connected to the skin of a patient's head. By means of providing the first connecting member on the organ body and detachably connecting the second connecting member to the first connecting member, the first connecting member can be connected to the second connecting member after the second connecting member is attached to the skin of the patient's head. This facilitates the installation of the organ body onto the patient's head, making the installation of the organ body onto the patient's head relatively simple.

The application discloses an integrated extracorporeal organ perfusion loop system and a perfusion method, and relates to the technical field of extracorporeal organ perfusion. The system comprises an organ box, a circulating pipeline, a liquid storage container, an oxygenator, a bile collection container and a controller. The circulating pipeline comprises a main outlet pipeline, a perfusion overflow outlet pipeline, a portal vein perfusion pipeline and a hepatic artery perfusion pipeline. Pressure sensors, flow sensors and blood gas monitoring components are arranged on the hepatic artery perfusion pipeline, the portal vein perfusion pipeline and the main outlet pipeline, respectively. The bile collection container is connected with a force sensor. The oxygenator is provided with a temperature control module, a temperature sensor and an oxygen concentration / flow rate sensor. The liquid storage container is connected with a liquid medicine infusion module. The controller can automatically adjust the oxygen flow of an oxygen generator, the temperature control module of the oxygenator, the flow of the perfusion pipeline and the infusion condition of the liquid medicine infusion module according to blood gas analysis results and multi-parameter monitoring data, realize linkage of blood gas monitoring and regulation, and improve the quality of organ preservation in vitro.