676 results about "Blood circulating" patented technology

The utility model relates to the technical field of knee joint braces, in particular to a self-adaptive intelligent knee joint brace. The utility model discloses a self-adaptation knee joint intelligent brace, including the splint subassembly that is used for respectively fixed on the both sides of affected limb, the bandage subassembly that can adjust the degree of tightness and main control panel, bandage subassembly includes bandage, bandage degree of tightness adjustment device and pressure sensor, bandage connects splint subassembly, is used for fixing the two splint subassembly on the both sides of affected limb, and the pressure sensor is used for the pressure sensor to adjust the degree of tightness of bandage. The pressure sensor is used for detecting the contact pressure between the bandage or the clamping plate assembly and the affected limb and transmitting the contact pressure to the main control board, and the main control board is used for controlling the bandage tightness adjusting device to correspondingly tighten and tighten the bandage according to pressure data collected by the pressure sensor. The knee joint rehabilitation device can automatically adjust the tightness of the bandage in real time, not only can stably support the knee joint and the meniscus, but also can avoid damage to blood vessels and nerves and pressure sores, ensure blood circulation and improve the rehabilitation effect, is convenient and comfortable to use, and greatly improves the user experience.

The invention discloses a temperature self-adaptive control system for organ perfusion, and belongs to the technical field of temperature control, and the system comprises a sampling unit which is used for converting analog signals of temperature, flow velocity and pressure of one or more target nodes in perfusion blood circulation into digital signals to form an initial data set; the calculation unit is used for performing wavelet transformation and moving average processing on the initial data set to construct a feature matrix, and establishing a temperature change prediction model based on the feature matrix so as to determine a temperature compensation amount in combination with dynamic correction; and the temperature control unit is used for adjusting the temperature control power by adopting a progressive strategy based on the temperature compensation amount and synchronously adjusting the blood flow rate so as to dynamically optimize the control parameters according to the temperature control effect. Through the scheme of the invention, the real-time regulation and control precision can be improved, and the quick response capability to temperature mutation is enhanced.

The invention discloses a method for controlling the compaction degree of a left heart and a right heart in an extracorporeal circulation operation, which comprises the following steps of: in an in-vitro environment, mounting a peristaltic pump at a left heart inlet and a right heart inlet of an extracorporeal circulation device; a liquid inlet of the peristaltic pump is connected with a liquid inlet pump, and a liquid outlet of the peristaltic pump is connected with a liquid outlet pump; and finally, a first pressure measuring structure and a second pressure measuring structure are arranged on the sides, away from the peristaltic pump, of the liquid inlet pump and the liquid outlet pump correspondingly, and the pressure of the liquid inlet pump and the pressure of the liquid outlet pump are adjusted to be-20 mmHg. The negative pressure of the liquid inlet pump is adjusted through the first pressure measuring structure, and the negative pressure of the liquid outlet pump is adjusted through the second pressure measuring structure, so that the purpose of quantifying the adjusting mode is achieved, and the adjusting mode is accurate, rapid and high in reliability; the peristaltic pump can effectively avoid the occurrence of risks such as blood component damage, hemolysis, gas embolism and the like caused by reduction of the amount of blood conveyed by the pump, insufficient blood supply or direct interruption of blood circulation due to the condition that a pipe body connected with the peristaltic pump is shrunken or cannot be sucked during an operation.

The invention belongs to the technical field of medical equipment, and particularly relates to a cardiovascular intervention postoperative radial artery compressor which comprises a U-shaped base, a rubber sleeve is fixedly connected to the inner wall of the bottom end of the U-shaped base, a metal iron plate is fixedly connected to the upper surface of the rubber sleeve, and an auxiliary mechanism is fixedly connected to the outer wall of the metal iron plate. The radial artery compressor has a compression force visualization function, can help medical care to precisely regulate and control compression force, formulate a personalized scheme, facilitate real-time monitoring and data analysis, reduce the complication risk of a patient and improve the nursing effect, also has a skin heat preservation function, can promote local blood circulation, accelerate wound healing and relieve discomfort of the patient, and has a good application prospect. And the compressor has the functions of stabilizing a punctured arm and adjusting the height, and is beneficial to venous return, swelling reduction, reduction of blood deposition at a puncture point and improvement of the use reliability and effect of the compressor.

The invention relates to the technical field of disease rehabilitation assessment, and discloses a functional behavior-based assessment and rehabilitation system for lower limb artery occlusion, which is characterized in that gait data, muscle force data, blood flow change data and electromyographic signal data of a patient are acquired by arranging a data acquisition module, and a rehabilitation assessment report of the patient is generated by using a multi-modal fusion algorithm; and the artery occlusion degree, the lower limb blood circulation condition and the motion function state of the patient are comprehensively evaluated. On the basis, the system generates a personalized exercise scheme through a reinforcement learning algorithm, and dynamically adjusts the exercise scheme according to the real-time exercise data feedback of the patient, so as to ensure the effectiveness and safety of the rehabilitation scheme. Meanwhile, the system provides a guide feedback module, the patient is guided to complete the correct motion posture through voice, vision or vibration prompts, and secondary injury caused by improper motion posture is avoided. By dynamically optimizing the exercise scheme and guiding feedback in real time, personalized rehabilitation guidance of the patient is achieved, and the rehabilitation effect and exercise compliance are improved.

The invention belongs to the technical field of biological medicines, and particularly discloses a nano-engineering T cell membrane coated nano-particle as well as a preparation method and application of the nano-engineering T cell membrane coated nano-particle. Nanoparticles of a specific structure are constructed based on a phospholipid bilayer bionic nanometer platform through a membrane fusion technology, immune clearance caused by phagocytosis of the nanoparticles by macrophages can be avoided through disguise of a T cell membrane, and the blood circulation time is prolonged; the functions of T cells are recovered through specific blocking of immune checkpoint molecules loaded on the immune checkpoint molecules on corresponding immune checkpoint ligands on tumor cells; under ultrasonic radiation, the nano-particles are gradually decomposed and release the sound-sensitive agent to generate a large amount of active oxygen, so that immunogenic death of tumor cells is promoted, more cytotoxic T lymphocytes are recruited to infiltrate into tumor parts, and the recovery of T cell mediated immune response function is facilitated. The synergistic effect of the sound-sensitive agent and the immune checkpoint protein can effectively inhibit tumor growth, induce a long-term immune memory effect and prevent tumor metastasis and recurrence.

The invention belongs to the technical field of biomedicine, and particularly relates to an alpha-cyperone bionic nano preparation as well as a preparation method and application thereof, the alpha-cyperone bionic nano preparation is prepared from a polylactic acid-glycolic acid copolymer, alpha-cyperone, a bionic membrane and follicle-stimulating hormone polypeptide, the biomimetic membrane is characterized in that alpha-cyperone is loaded on a polylactic acid-glycolic acid copolymer, the biomimetic membrane is biologically camouflaged on the outer layer, then the biomimetic membrane is modified by follicle-stimulating hormone polypeptide, and the amino acid sequence of the follicle-stimulating hormone polypeptide is as shown in SEQ ID NO.1. According to the alpha-cyperone bionic nano preparation disclosed by the invention, the alpha-cyperone is loaded by utilizing the polylactic acid-glycolic acid copolymer, so that the alpha-cyperone is easily dissolved in water, and the blood circulation half-life period is prolonged and the targeting capability of an ovary part is improved through biological camouflage of the bionic membrane; the modification of the follicle-stimulating hormone polypeptide further improves the targeting ability to granulosa cells, and liver and kidney toxicity and muscle injury are not found in the experiment process.

The invention discloses a medicine for treating bedsore and application thereof.The medicine is prepared from parthenocissus tricuspidata, clove, radix aucklandiae and borneol, the parthenocissus tricuspidata serves as a monarch drug and has the effects of promoting blood circulation, removing toxins, removing blood stasis, dredging collaterals, improving local blood circulation of bedsore, promoting inflammation fading, dissolving sore and ulcer toxins and repairing damaged tissue; the clove is used as a ministerial drug to expel pus and engender tissue, inhibit wound infection and promote healing of ulcerated wounds; the radix aucklandiae is used as an adjuvant drug for promoting qi circulation, promoting blood circulation and promoting qi hyperactivity and blood circulation, and the radix aucklandiae is used as a monarch drug for removing stasis and dredging collaterals to nourish tendons and meat; borneol is used as an assistant drug, is used for resisting bacteria, relieving pain and promoting healing of non-healing after bedsore ulceration, and also can be used as a meridian guiding drug to enhance the seepage force of the drug so as to promote external transdermal absorption of the drug. Through simple composition and reasonable compatibility of the medicines, local qi and blood stasis of bedsores can be improved and wound healing can be promoted through the multi-target effect by activating blood and detoxifying, expelling pus and promoting tissue regeneration and inhibiting bacteria to control infection, so that the bedsores can be effectively treated.

The utility model relates to the technical field of lifting pads, and discloses a lifting pad with a lifting function, which comprises a component placing mechanism, the component placing mechanism comprises a placing plate, thigh placing mechanisms are rotatably arranged in the middle of two sides of the placing plate close to one end, and each thigh placing mechanism comprises a positioning rod. Thigh telescopic plates are fixedly arranged between the two sides of the positioning rod, a first connecting rod is fixedly arranged at the end, away from the positioning rod, of each thigh telescopic plate, a first connector is rotationally arranged on the inner wall of each first connecting rod, and a knee joint placement mechanism is rotationally arranged at the other end of each first connector. According to the device, the length of each mechanism can be adjusted in time according to the length of the leg of a person, the height can be adjusted, the two legs can be supported at the correct positions, fatigue and pressure of the legs are relieved, blood circulation is promoted, wound healing is accelerated, the requirements of different people are met, and corresponding cost is saved.

The invention relates to a specially selected strain and application thereof in cardiovascular and cerebrovascular maintenance. The invention provides a specially selected strain-prebiotic composition for enhancing and maintaining an ozone high-dose blood purification effect and application of the specially selected strain-prebiotic composition in establishment of an intestinal barrier function and health maintenance of heart and cerebral vessels. According to the invention, blood cell metabolism, immune system and antioxidant enzyme system can be activated by autologous blood circulation reinfusion, the state of the blood vessel wall is improved, and the physiological function of blood cells is enhanced; the specially selected targeted strain-prebiotic composition can regulate intestinal flora balance, establish an intestinal barrier function, maintain and accelerate metabolism of a human body, decompose blood fat and toxin garbage accumulated in the body, promote detoxification of the intestinal tract, purify the intestinal tract and reduce intestinal toxin substances entering the blood circulation of the human body through a portal system. According to the combination scheme, the blood purification effect can be remarkably improved, the blood fat index is remarkably improved, the purposes of recovering the blood vessel function and enhancing the human immune function are jointly achieved, a new technical scheme and means are provided for prevention and treatment of cardiovascular and cerebrovascular diseases, and wide application prospects are achieved.

The treatment system includes a limb sleeve containing a heating subsystem, a pressure subsystem, and a vibration subsystem. The heating subsystem provides controlled cyclic heating to the limb, leading to dilation of the microvasculature and improved blood flow to nerve receptors. The pressure subsystem provides progressively staged, cyclic pressure to the limb, thereby improving blood circulation to the limb, reducing edema buildup, and flushing waste out the lymphatic system. The vibration subsystem provides controlled vibrotactile sensation to the limb to promote neuronal stimulation and decrease pain sensation. The treatment system allows for a multi-faceted approach in disease stabilization and assistive, personalized treatment for peripheral neuropathy.

The invention relates to the technical field of bone surgery, in particular to a bone surgery fracture correction device which comprises a first support and three guide rods, the three guide rods are installed at the bottom of the first support at equal intervals in the circumferential direction and are hollow, and the inner walls of the guide rods are in threaded connection with a bone setting mechanism; left and right opposite connecting clamps are installed on the inner side of the first support and the inner side of the bone setting mechanism respectively, the first support and the inner side of the bone setting mechanism are locked through the connecting clamps and steel needles penetrating through bones, the bone setting mechanism is made to adjust the distance between fracture connecting positions, clamping devices are installed on the outer walls of the first support and the outer wall of the bone setting mechanism respectively, and one end of an adjuster is installed at the front end of each clamping device; a heating mechanism is mounted at the other end of the adjuster, and blood circulation at the fracture position is promoted through the heating mechanism; the bone setting mechanism comprises a second support. The growth space of the callus is accurately adjusted, the bone is firmer after rehabilitation, the infrared heating lamp is dynamically heated, the skin is prevented from being burnt due to continuous heating, the dynamic temperature can better promote blood circulation, and the rehabilitation period is shortened.

The invention provides a stepped ventricle auxiliary circulating pump device, relates to the technical field of heart blood pumps, and provides a structure that a heart blood pump is arranged in a heart chamber and below an aortic valve or a pulmonary valve, and a stepped motor and an axial flow channel are designed on the basis, so that a blood flow channel is formed between the motor and the axial flow channel; the blocking influence of the size of the motor above the aortic valve or the pulmonary valve on the blood circulation process can be effectively avoided, and the amount of blood pumped out of the aortic valve or the pulmonary valve is effectively increased.

The invention discloses a cardiac postoperative rehabilitation training device. Comprising a base, a bearing chair arranged on the base and used for bearing a patient, a massage mechanism arranged on the bearing chair, an upper limb lifting exercise mechanism and an upper limb horizontal extension exercise mechanism which are arranged on one side of the bearing chair, and a leg pedaling type exercise mechanism arranged in front of the bearing chair and connected with the base. The bearing chair comprises an angle-adjustable backrest, the backrest is connected with a first driving unit used for controlling the inclination angle of the backrest, by arranging the multiple exercise mechanisms, a patient can conduct comprehensive training of multiple actions, limb blood circulation is effectively promoted, the cardiopulmonary function is increased, and the patient can conduct comprehensive training of multiple actions; the early rehabilitation of the patient after the cardiac surgery is facilitated; various training actions are combined, the body of a patient can be exercised more comprehensively, the situation that the rehabilitation training effect is poor due to the single training action is avoided, and the rehabilitation training effect is improved.

The invention belongs to the technical field of orthopaedic orthopaedics, and particularly discloses a reduction and fixation orthopaedic orthopaedic device for orthopaedics, the upper side and the lower side of a positioning part are slidably connected with sliding rods, the side, close to the sliding rods, of the positioning part is fixedly connected with an adjusting part, and the positioning part comprises two positioning frames. According to the reduction and fixation orthopedic equipment for the orthopedics department, the positioning component is arranged, and a cooling mechanism is arranged in the middle of the inner side of the positioning frame, so that ice compress detumescence can be directly carried out on a bruise position, local swelling and pain caused by fracture or correction operation of a patient are relieved in time, local blood circulation is promoted, and favorable conditions are created for bone healing; when the positioning frame is worn for a long time, the contact mechanism can massage and relieve the corresponding part of the patient, muscle stiffness and discomfort caused by long-time fixation are relieved, the wearing comfort of the patient is improved, and the patient can better cooperate with treatment.

The invention discloses a double-ring circulation system for in-vitro drainage test of an in-vitro membrane pulmonary oxygenation vein drainage tube, and belongs to the technical field of medical engineering. According to the invention, the blood circulation simulation module can accurately load and simulate the blood flow waveform of the inferior vena cava of a human body under physiological or pathological conditions, and the vein drainage module can effectively simulate the drainage effect of extracorporeal membrane oxygenation vein drainage and is used for evaluating the drainage effect. According to the double-circulation system, by replacing the rigid / elastic vein simulation tube, the influence rule of the drainage mode of the vein drainage tube on the drainage efficiency and the vein adherence problem is explored. And a more scientific and effective in-vitro test evaluation experiment platform is provided for effectively evaluating the hydrodynamic performance when the drainage hole of the vein drainage tube is blocked and improving the drainage efficiency of the vein drainage tube.

Disclosed is a valve balloon suction catheter, comprising a tip, a balloon, a catheter, and a handle base in sequence from a distal end to a proximal end, the catheter being provided with a fluid passage lumen. The balloon consists of at least four balloon bodies, which are distributed circumferentially around the catheter to form a circular configuration, so as to create a blood flow channel in the center of the balloon, the blood flow channel being arranged in the axial direction of the balloon. A micro axial flow pump is provided in the blood flow channel and is arranged on the catheter, and a guidewire conduit penetrating through the micro axial flow pump is provided in the micro axial flow pump. A distal end of the guidewire conduit passes through the blood flow channel and is fixedly connected to the tip, and a proximal end of the guidewire conduit penetrates through the handle base. A guidewire lumen is provided in the guidewire conduit. The micro axial flow pump is connected to an external impeller drive interface arranged at a proximal end of the handle base. Compared with the prior art, the combination of balloon dilatation and mechanical circulatory assistance establishes a drainage pathway from the left ventricle to the ascending aorta, enabling cardiac blood circulation and improving the safety of the procedure.

The invention discloses a negative pressure wound debridement and healing promoting device for burn plastic surgery, and relates to the technical field of burn wound debridement, the negative pressure wound debridement and healing promoting device comprises an application assembly and a machine body, a negative pressure suction device is installed on the inner wall of the machine body, the output end of the negative pressure suction device is fixedly communicated with a drainage tube, and the end part of the drainage tube is connected with a negative pressure mechanism; a plurality of pipeline connecting assemblies are arranged on the side face of the negative pressure mechanism and distributed in an annular array mode, and connecting pipes are fixedly communicated between the pipeline connecting assemblies and the application assemblies. Through the negative pressure mechanism, the application assembly sequentially carries out negative pressure operation on a burn wound from outside to inside, the negative pressure drainage acting force can be continuously adjusted to promote blood circulation, remove waste and media and achieve the purpose of promoting healing, the sealing effect is good, the blockage condition of a channel can be automatically sensed, a certain buffering effect is achieved, and the application effect is good. And the practicability is excellent.

In the present invention, it becomes possible to suppress the putrefaction of an organ by cooling the organ in the body of a person who has expressed their decision to donate the organ, until the organ is isolated after the confirmed death of the person.　The organ cooling apparatus 1 includes: a flow passage part 2 that is placed in a dead body H; a cooling medium supply device 3 for supplying a cooling medium C into the flow passage part 2; and a blood circulation device 4 for circulating blood in the dead body H. The blood circulating in the dead body H by means of the blood circulation device 4 is cooled by the cooling medium C supplied from the cooling medium supply device 3 into the flow passage part 2. As a result, the organ in the dead body H is cooled through the blood.

Disclosed is a system and processor-implemented method of estimating one or more vital signs of a user based on a video of the user by using artificial intelligence, comprising extracting a plurality of face frames and one or more time stamps from the video of the user; determining at least one region of interest (ROI) in the plurality of face frames using a histogram of oriented gradients (HOG); extracting a plurality of health indicator signals by detecting volumetric changes in a peripheral blood circulation in the at least one ROI based on a remote photoplethysmography (RPPG); and estimating the one or more vital signs of the user based on the plurality of health indicator signals and the one or more time stamps.

The utility model discloses a blood extracorporeal circulation device, which belongs to the technical field of blood extracorporeal circulation equipment and comprises an inner tube and an outer tube, the inner tube and the outer tube are integrally nested, one end of the outer tube is connected with an air inlet tube, the air inlet tube is communicated with oxygen inlet equipment, and the other end of the outer tube is connected with an air outlet tube. A temperature changer and a flow speed controller are connected between one end, far away from the air outlet end, of the outer pipe and the oxygen inlet equipment; one end of the inner tube is a liquid inlet end for transporting blood, the other end of a blood inlet of the inner tube is a liquid outlet end, and the liquid outlet end is connected with a temperature sensor, an oxygen saturation sensor, a blood pump and a microembolus filter; the part, in the outer pipe, of the inner pipe is made of a gas exchange membrane material, and the liquid inlet end of the inner pipe is opposite to the gas inlet pipe of the outer pipe. The blood temperature rising process is safer, meanwhile, in the blood temperature rising process, the oxygen saturation index in the blood can be directly adjusted, the blood oxygen value is simple, convenient and controllable on the basis of convenient temperature rising, temperature control and oxygen saturation of in-vitro blood circulation are carried out at the same time, and operation is easy and safe.

The invention provides a catheter pump outlet structure and an auxiliary blood circulation device. The guide pipe pump outlet structure comprises a diffuser arranged in an outlet frame, the outlet frame comprises a fixing ring and at least two supporting columns, the diffuser comprises a hub and at least two guide blades connected to the hub, and the number of the guide blades is consistent with that of the supporting columns. The contour edge of each guide blade comprises a blade root face and a blade top face, the blade root faces are the connecting faces of the guide blades and the hub, and the blade top faces are the outer surfaces away from the hub. The strut has the same outer contour as the blade top surface of the guide blade; when the diffuser is arranged in the outlet frame, the guide blades and the supporting columns are arranged in a one-to-one correspondence mode, so that the blade top faces are attached to the inner walls of the supporting columns. By adopting the blood pump, the blood output resistance is reduced, and the blood pumping efficiency is improved.

The invention discloses a special lower limb moxibustion nursing device for an endocrine patient, and relates to the technical field of medical instruments, the special lower limb moxibustion nursing device comprises a supporting box body, the top of the supporting box body is provided with a placing groove for placing the lower limbs of the endocrine patient, and the placing groove is internally provided with a buffer piece for buffering the lower limbs of the endocrine patient; the middle of the supporting box body is slidably connected with a blocking piece for reducing moxa smoke drifting, a through groove is formed in the bottom of the supporting box body, a massage drawer is inserted into the through groove, a massage piece for massaging the foot soles of an endocrine patient is arranged in the massage drawer, a shell is fixedly arranged on the right side of the supporting box body, and a cleaning piece for extracting moxa smoke is arranged in the shell. By means of foot massage, blood circulation of the foot is fully stimulated, blood circulation of the whole lower limb is comprehensively improved, and symptoms such as cold and numbness of the lower limb caused by unsmooth blood circulation can be relieved.

A medical training model includes a base frame, a fluid system arranged on the frame and configured to simulate a blood circulation replacement system, and at least one additively manufactured individualized vessel model with a patient-specific replicated lumen. The vessel model may be interchangeably connectable to the fluid system by at least one hydraulic quick coupling having coupling pieces such as a plug and a sleeve or bushing. Each coupling piece may contain an inner flow channel, and at least one coupling piece is designed as an adapter with a diameter-changing flow channel course that transitions from the patient-specific lumen to a standardized coupling connection opening. The flow channel course may include a conical region providing a smooth, edgeless transition between differing diameters, with the conical region formed as a hollow shaft truncated cone for flat bearing and sealing when the coupling pieces are locked together.

A survey-based diagnosis method and a system therefor are provided. The survey-based diagnosis method according to several embodiments of the present disclosure enables a diagnosee to be diagnosed on the basis of response information about the diagnosee with respect to a plurality of survey questions. The plurality of survey questions can include questions for diagnosing an energy and blood generation function, an energy and blood circulation function, and an energy and blood balance adjustment function, and the health condition of the diagnosee can be accurately diagnosed by using these questions. In addition, a quick and convenient oriental medicine diagnosis service can be provided using a questionnaire technique.

The invention discloses a postoperative scrotum nursing device for urinary surgery, and relates to the technical field of scrotum nursing, the postoperative scrotum nursing device for urinary surgery comprises a main body frame, a heating assembly is arranged on the bottom surface of the main body frame, through the arranged heating assembly, the scrotum is placed on the surface of a supporting frame, so that the scrotum is conveniently positioned; meanwhile, after the micro circulating heater circularly heats the liquid medium in the micro circulating heater and the liquid storage bag, the liquid medium acts on the surfaces of the liquid storage bag and the flannelette strip, so that blood vessel expansion of local scrotum on the surface of the flannelette strip is facilitated, blood circulation is accelerated, and the wound healing effect is improved. According to the scrotum recovery device, the body resistance to inflammation is improved, absorption and regression of the inflammation are promoted, the penis is placed on the surface of a contact strip through the arranged supporting assembly, so that the penis part is conveniently supported, and the situation that the penis compresses the scrotum, and consequently the recovery efficiency of the scrotum is affected is avoided.

A blood circulation system for an extracorporeal blood treatment machine includes: an arterial circulation section; a venous circulation section; a dynamic bubble trap; and an air separator. The blood circulation system conducts blood, during the operation of a blood pump of the extracorporeal blood treatment machine, from a patient to a dialysis unit and from the dialysis unit to the patient. The blood circulation system also includes a recirculation or branch line connected to the bubble trap in order to return part of the blood that flows into the bubble trap into the blood circulation system, upstream of the bubble trap. An extracorporeal blood treatment machine includes the blood circulation system.

An ex vivo test system 10 is constituted of a fluid circuit that circulates a prescribed circulation liquid by simulating the blood circulation state of a human body, and comprises a circulation liquid maintenance unit 17 that maintains, in the same manner as the blood environment in vivo, chemical factors in the circulation liquid, which affect the performance evaluation of a test object S. The circulation liquid maintenance unit 17 comprises: a replenishing liquid unit 23 that maintains the chloride ion concentration and protein concentration of the circulation liquid at desired values by injecting a replenishing liquid composed of an electrolyte-free isotonic solution into the fluid circuit; and a carbon dioxide supply unit 24 that maintains the pH of the circulation liquid at a desired value by supplying carbon dioxide into the fluid circuit, the state of the circulation liquid being maintained while compensating for the effect of moisture loss during circulation of the circulation liquid.

The invention belongs to the technical field of medical detection equipment, and particularly relates to a household portable blood sugar and uric acid two-in-one human body detection device which comprises a detector shell. A display screen and a detector body are installed on the top and one side of the inner wall of the detector shell respectively, test paper is connected to one side wall of the detector body, a blood sampling pen is connected to one side wall of the detector shell in a magnetic adsorption mode, and an auxiliary assembly used for promoting blood circulation of the hand is further embedded in the inner wall of the detector shell. After the blood sampling pen is magnetically separated from the detector shell, one end of the blood sampling pen punctures the finger of a detected person, so that the detected person conveniently drips blood generated by the punctured finger onto the test paper, and after the test paper is in contact with the detector body, the blood of the detected person is analyzed; the analyzed blood glucose value and uric acid value of the detected person are displayed through the display screen, and the purpose of blood glucose and uric acid two-in-one detection is achieved.

An oxygenation device for use with extracorporeal blood circulation is disclosed. The device includes an oxygenator housing having a blood inlet end cap having a blood inlet opening, a blood outlet end cap having a blood outlet opening, and a gas collector housing between the blood inlet opening and the blood outlet opening. The gas collector housing defines a gas compartment having a gas inlet chamber with a gas inlet port and a gas outlet chamber with a gas outlet port. Heating devices are disposed against the gas collector housing and include a first heating device in the gas inlet chamber and a second heating device in the gas outlet chamber. During operation of the oxygenation device, the heating devices heat the gas compartment.