1606 results about "Hemostasis" patented technology

The invention discloses a femoral artery paracentesis post-operation pressure-controlled hemostasis device and a monitoring intelligent control system thereof, and relates to the technical field of medical apparatuses and instruments, and the femoral artery paracentesis post-operation pressure-controlled hemostasis device comprises an assembly panel; the air bags are arranged at the bottom of the assembly panel; the air pump is arranged at the top of the assembly panel and used for controlling the air bags to contract; the control piece is arranged at the top of the assembly panel and used for controlling the air pump; the Doppler probe is arranged at the bottom of the assembly panel and used for detecting the blood flow speed of the far end of a puncture point, the hemostasis safety and efficiency are remarkably improved through multi-mode intelligent control and a real-time feedback mechanism, the vein area is accurately recognized and avoided in combination with ultrasonic and infrared spectrum analysis of the artery positioning module, the thrombus forming probability is effectively reduced, and the blood flow speed of the far end of the puncture point is detected. The pressure-time optimization model dynamically shortens the compression time (target 3 hours) based on the real-time hemostatic effect, and improves the comfort of the patient while ensuring the hemostatic effect.

The invention belongs to the technical field of medical instruments, and particularly relates to a postoperative hemostasis nursing device for thoracic surgery rehabilitation, which comprises a nursing box and a plastic cushion block arranged on one side of the nursing box, a controller is mounted on the side wall of the nursing box, a detachable gauze pad is mounted at the bottom of the plastic cushion block, and the postoperative hemostasis nursing device further comprises a pressure cylinder, a pressure cylinder is fixedly connected to the side wall of one side of the plastic cushion block in an inserted mode, a movable piston is arranged in the pressure cylinder in a sliding mode, and a supporting spring is fixedly arranged between the movable piston and the inner wall of the pressure cylinder; the connecting block is arranged on one side of the pressure cylinder, and the connecting block and the moving piston are jointly provided with a tension detection mechanism. According to the device, the binding force on the incision of a patient can be automatically adjusted, the situation that the pressure borne by the incision is increased due to breathing of the patient is avoided, cold compress compression can be continuously conducted on the incision, wound healing is promoted, meanwhile, continuous disinfection and bacteriostasis treatment can be conducted on the periphery of the incision, and the protection effect on the incision is good.

A device may include a flexible tube comprising: a distal end, a proximal tip, the proximal tip comprising a suction line extension being configured for placement in a uterine cavity of a uterus after childbirth, a tube center of the flexible tube; and at least one lumen around the tube center, the at least one lumen comprising a suction line, the suction line being in communication with a source of negative pressure and the suction line extension, the suction line extension being configured for applying the negative pressure to the uterine cavity using the source of the negative pressure thereby causing mechanical hemostasis of bleeding blood vessels of a uterine wall of the uterine cavity. Embodiments include an anchoring mechanism being proximate to the suction line extension along the flexible tube, the anchoring mechanism being configured for maintaining the suction line extension in a desired position within the uterine cavity.

The invention discloses a whole-process vascular interventional operation training method and system based on a virtual reality technology, and the method comprises the steps: firstly, developing a vascular interventional mechanics and collision simulation module, and achieving the deformation simulation of a blood vessel and a guide wire through the combination of position dynamics, a region shape matching technology and a Cosseerat elastic rod model, the collision between the blood vessel and the guide wire is treated by adopting a wide-to-narrow three-layer progressive collision detection method; secondly, constructing an immersive virtual operation scene through model construction and rendering optimization; visual angle roaming, instrument operation and interface interaction are fused, and multi-mode interaction control driving intervention training is achieved; finally, based on a'module-event 'dual-drive framework, operation tasks such as anesthesia, puncture, radiography, intervention, stent release and hemostasis are sequentially connected in series through a unified state machine, and whole-process training is achieved. The accuracy and stability of blood vessel and guide wire simulation are improved, the training immersion sense is enhanced, interventional operation whole-process training is achieved, and high teaching and practical value is achieved.

The invention discloses a method for preparing a methylacryloyl chitosan / gelatin-based hydrogel wound dressing through 3D printing and application, and relates to a method for preparing a hydrogel wound dressing and application. The problems that existing MXene is high in photo-thermal conversion temperature, and bacteria rapidly breed again after near-infrared irradiation is closed are solved. The ZGC composite hydrogel wound dressing integrates multiple functions, can simultaneously realize hemostasis, antibiosis, anti-inflammation, vascularization promotion and cell regeneration, and is especially suitable for infectious wounds. The antibacterial performance can be achieved under the activation of near-infrared light through the dual effects of a photothermal therapy and a photodynamic therapy, and meanwhile, the antibacterial effect can be achieved in cooperation with Zn < 2 + >. The ZGC composite hydrogel wound dressing can be accurately customized and printed through a 3D printing technology according to the shape and depth of a wound, the composite dressing can achieve accurate low-temperature photo-thermal treatment, meanwhile, the continuous release of Zn < 2 + > and the physical antibacterial function of MXene are maintained, normal tissue is protected while bacteria are killed, and the healing rate of an infected wound is remarkably increased.

The invention is directed to a hemostasis therapeutic compression system including an apparatus and system to stop bleeding and assist recovery at a wound location. The hemostasis therapeutic compression apparatus includes a bladder having a transparent portion to visualize the bleeding wound location as well as having one side with an interface pressure sufficient to stop bleeding at the wound site, and the wrap has as an elongated tab as part of a hook and loop portion for self-application by the user or patient. The hemostasis therapeutic compression apparatus includes compression not just on the bleeding wound site but alongside the site for increased and faster recovery and less complications. The transparent portion of the bladder may be in the shape of a circle, oval, kidney, elongated kidney, square, rectangle, "U", "C", and other known shapes depending on the size and location of the bleeding wound site on the limb.

The invention discloses an oral care composition containing ampelopsis japonica polysaccharide and application of the oral care composition in inhibiting gingival bleeding. The oral care composition comprises ampelopsis japonica polysaccharide and an orally acceptable carrier, wherein the pH (Potential of Hydrogen) range of the oral care composition is 5.9 to 7.7. The invention also discloses an application of the ampelopsis japonica polysaccharide in the oral care composition for inhibiting gingival bleeding. The invention discloses application of silicon dioxide with a high oil absorption value in an oral care composition for improving the gingival bleeding inhibiting effect of ampelopsis japonica polysaccharide. The combination of the high-oil-absorption-value silicon dioxide and the low-oil-absorption-value silicon dioxide is applied to the oral care composition for improving the gingival bleeding inhibiting effect of the ampelopsis japonica polysaccharide; the invention further discloses application of sorbitol in the oral care composition for improving the effect of inhibiting gingival bleeding by the ampelopsis japonica polysaccharide. The oral care composition has a hemostatic effect and can effectively solve the problem of gingival bleeding.

The invention relates to the technical field of data processing, in particular to an intelligent wrist type hemostasis device and a control method thereof. The method comprises the following steps: controlling the intelligent wrist hemostasis device to start pressurizing, and collecting a PPG signal of a user; recording a pressure value when the PPG signal disappears or the waveform amplitude of the PPG signal is reduced to a target threshold value; determining initial target pressure according to the pressure value; controlling the intelligent wrist hemostasis device to reach target pressure, and collecting physiological data of the user under the target pressure; inputting the physiological data into a trained risk early warning model to obtain a risk coefficient and a risk type; if the physiological data meet the preset pressure reduction condition, step-type pressure reduction is carried out; in the maintaining stage of the stepped pressure reduction, if the risk coefficient is larger than or equal to a second threshold value, the intelligent wrist type hemostasis device is controlled to return to the target pressure before pressure reduction, early warning is triggered, and the compression time is prolonged. According to the method, the hemostatic effect and safety can be improved.

The invention discloses a cranial cavity rapid hemostasis instrument which comprises a sleeve, a conductive expansion and contraction piece and a push-pull rod connected with the conductive expansion and contraction piece, a through penetrating hole is formed in the sleeve, the push-pull rod can drive the conductive expansion and contraction piece to move in the penetrating hole, and the conductive expansion and contraction piece is electrically connected with an external power source through the push-pull rod. The conductive expansion and contraction piece is of a net-shaped structure, the conductive expansion and contraction piece can be contracted into a strip shape in the penetrating hole, the conductive expansion and contraction piece can be expanded into a sphere-like shape outside the penetrating hole, the conductive expansion and contraction piece comprises a plurality of first silk threads and a plurality of second silk threads, and the extending directions of the first silk threads and the second silk threads are arranged in a staggered mode. The first silk threads and the second silk threads are made of flexible conductive materials. According to the invention, medium injection is not needed, the expansion speed is high, the hemostasis efficiency is high, and the pressure distribution is uniform.

The invention relates to the technical field of medical instruments, and discloses an adjustable femoral artery automatic pressurizing device which comprises a main shell, a position adjusting assembly is mounted at the top of the main shell, a moving shell is slidably connected to the middle of the main shell, a connecting column is fixedly connected to the bottom of the moving shell, an air bag is arranged at the bottom of the connecting column, and an air outlet is formed in the middle of the air bag. A compression head is fixedly connected to the bottom of the air bag, an angle adjusting and positioning assembly is installed on the side face of the main shell, a bandage rod is arranged on the side face of the angle adjusting and positioning assembly, a composite sensing module is installed in the middle of the compression head, and an air pipe is arranged in the movable shell. One end of the air pipe penetrates through the connecting column and is fixedly connected to the air hole of the air bag. By sensing physiological signals formed by blood flow and hematoma in real time, self-adaptive closed-loop adjustment of compression pressure is realized, so that hemostasis accuracy, individualized level and safety of the automatic femoral artery pressurizing device are improved.

Devices, systems, and methods for sealing medical devices, particularly during intravascular access, are disclosed herein. Some aspects relate to a hemostatic valve for sealing a wide range of medical devices, such as catheters, wires, embolectomy systems. The valve can include an elongate member having a first end, a second end, and a central lumen extending therebetween. A reinforcement structure extends along at least a portion of the elongate member and is coupled to the elongate member. A shell defining a first aperture and a second aperture may be included, which first and second apertures can be fluidly coupled by the elongate member. A tensioning mechanism is coupled to the shell and to the elongate member, the tensioning mechanism can be moveable between a first configuration wherein the tensioning mechanism is collapsed and the central lumen is sealed and a second configuration wherein the central lumen is open.

The present invention provides a carotid artery pressurized hemostasis device for head and neck surgery, which belongs to the field of medical device technology. The device includes an adjustment mechanism, an arc-shaped rail is fixedly installed on the top of the adjustment mechanism, and a hemostasis device is movably installed on the inner side of the arc-shaped rail; the hemostasis device includes an arc-shaped block and a mounting hole. The hemostasis device of the present invention has significant advantages. During use, medical staff can conveniently adjust the angle and position of the hemostasis device according to the patient's wound condition. By rotating the second handle, the screw rod drives the slide, so that the hemostasis mechanism moves down smoothly to contact the wound. When pressure is applied, the buffer spring plays a role, effectively avoiding excessive pressure on the patient's neck, ensuring safe and comfortable operation. At the same time, the bottom plate moves up to squeeze the elastic water bag, and the water flows into the elastic hemostasis bag. As the slide moves further down, the elastic hemostasis bag expands and cooperates with the hemostasis plate, greatly improving the efficiency and accuracy of hemostasis, and providing strong protection for the treatment of patients.

The utility model discloses a closing clip capable of preventing tissue from being torn, and belongs to the field of medical hemostatic clips. The closing clamp capable of preventing the tissue from being torn comprises a first clamping arm and a second clamping arm, the near ends of the first clamping arm and the second clamping arm are connected through a connecting part, and the far end of the first clamping arm and the far end of the second clamping arm are respectively provided with a locking structure which can be buckled and locked together. The clamping faces of the first clamping arm and the second clamping arm are each divided into an anti-skid tooth face and a clamping smooth face in the width direction, and the anti-skid tooth face and the clamping smooth face of the first clamping arm and the anti-skid tooth face and the clamping smooth face of the second clamping arm are arranged in a one-to-one correspondence mode or in a crossed correspondence mode. According to the utility model, the clamping surfaces of the two clamping arms of the closing clamp are divided into the anti-slip tooth surfaces and the clamping smooth surfaces, so that the clamping pressure of the closing clamp on vascular tissues during closing is reduced, unnecessary damage to the tissues in the process of closing the tissues is effectively avoided, and hemostasis failure caused by tearing of the vascular tissues is prevented.

The invention relates to the technical field of compression hemostasis in interventional operations, and particularly discloses an adjustable compression hemostasis fixing band for interventional operations, which comprises a compression hemostasis component and a fixing component, the compression hemostasis component comprises a mounting bag and a sandbag, an interlayer bag is arranged in the mounting bag, and first magic tapes are arranged on the upper and lower inner walls of openings at two ends of the mounting bag; the fixing assembly comprises a first elastic compression tourniquet, a second elastic compression tourniquet and elastic viscous fixing bands, the mounting bag is fixedly connected to the first elastic compression tourniquet, and the elastic viscous fixing bands are connected to openings in the two ends of the mounting bag; the first elastic compression tourniquet, the second elastic compression tourniquet and the elastic viscous fixing band are fixed to the thigh of the affected side of a patient and the paracentesis incision in a reinforced mode, and through stable fixation at multiple positions, the device is not prone to sliding and has no harm to the skin, and the comfort level of the patient is improved.

A novel strategy for wound healing involving the coating of oxygen nanobubbles with exosomes and incorporating them into a polyvinyl alcohol (PVA) / gelatin hybrid hydrogel. In this work, we not only mitigate wound hypoxia but importantly have an efficient delivery method of exosomal nanoparticles, which to date has been confounded by very low to lack of uptake by cells in hypoxia. Furthermore, the self-healing properties of the hydrogel, along with its gelatin component, aids in hemostasis, thereby benefiting acute and surgical wound healing. Additionally, the crosslinking bonds within the hydrogel facilitate the decomposition of hydrogen peroxide (H2O2), alleviating wound inflammation. The multifunctional hydrogel provides for enhanced wound healing through increased angiogenesis, enhanced exosome delivery, hypoxia mitigation, and inflammation inhibition.

A device for treating tissue includes a capsule extending longitudinally from a proximal end to a distal end and including a channel extending therethrough, the capsule releasably coupled to a proximal portion of the device and clip jaws, proximal ends of which are slidably received within the channel of the capsule so that the clip jaws are movable between an open configuration and a closed configuration. Clip jaws are configured so that a distance between the distal ends of the clip jaws in an open configuration is between 15 and 18 millimeters. Clip jaws further include barbs extending from a distal portion thereof.

The invention belongs to the technical field of radial artery compression hemostats, and particularly relates to a radial artery hemostasis method based on real-time pulse analysis and a hemostat control system. A slow and continuously changing force is applied to a radial artery puncture opening through the pressure applying module, meanwhile, the pulse detection module transmits a pulse forced feedback signal of the puncture opening to the main control module in real time, and the main control module analyzes and processes the received feedback signal in real time and judges the current hemostatic state of the radial artery. And on this basis, the pressure applying module is controlled to adjust the pressure. The method is characterized in that the relation between pulse forced feedback signals and the forced state of the radial artery is obtained through clinical tests according to the difference of the pulse feedback signals of the radial artery in different pressed states, and therefore the pressure is stabilized in the state that the blood flow of the radial artery is stable and a puncture opening does not bleeding. According to the scheme, the individual difference between different patients can be overcome, the compression hemostasis strength is adjusted in a self-adaptive mode, and the occurrence rate of related complications such as radial artery occlusion is effectively reduced.

The utility model relates to the technical field of medical instruments, and provides a sterile hemodialysis dressing bag which comprises a dressing bag body, a first magnetic attraction belt and an air bag cavity, the air bag cavity is arranged on the inner wall of the dressing bag body, a disinfection layer is arranged below the air bag cavity, a hemostasis layer is arranged at the bottom end of the dressing bag body, and the first magnetic attraction belt is arranged on the first magnetic attraction belt. The dressing bag body covers a hemostasis layer through a dressing patch, a pulling patch is arranged on one side of the dressing patch, a first magnetic attraction belt and a second magnetic attraction belt are symmetrically arranged on the two sides of the dressing bag body, a movable sleeve is movably installed on the outer wall of the first magnetic attraction belt, a magnetic attraction groove is formed in the outer wall of the second magnetic attraction belt, and a fixing sleeve is arranged on the outer wall of the first magnetic attraction belt. A connecting hole is formed in the top end of the dressing bag body and communicated with the air bag cavity, the dressing bag body is movably connected with an air guide pipe through the connecting hole, and one end of the air guide pipe is connected with an inflator. By means of the technical scheme, the problems that in the prior art, the hemostasis efficiency is poor, and auxiliary material bags are inconvenient to fix and take down are solved.

Devices, systems, and methods for sealing medical devices, particularly during intravascular access, are disclosed herein. Some aspects relate to a hemostatic valve for sealing a wide range of medical devices, such as catheters, wires, embolectomy systems. The valve can include an elongate member having a first end, a second end, and a central lumen extending therebetween. A reinforcement structure extends along at least a portion of the elongate member and is coupled to the elongate member. A shell defining a first aperture and a second aperture may be included, which first and second apertures can be fluidly coupled by the elongate member. A tensioning mechanism is coupled to the shell and to the elongate member, the tensioning mechanism can be moveable between a first configuration wherein the tensioning mechanism is collapsed and the central lumen is sealed and a second configuration wherein the central lumen is open.

In various aspects, the present application provides methods for achieving hemostasis during surgery in a patient in need thereof. The present application contemplates that such methods include applying a flowable and non-swellable composition comprising a hydrophobically- modified chitosan to a surgical site comprising a bleed. In embodiments, the surgical site is at risk of pressure-related injury.

The invention belongs to the technical field of medical robots and minimally invasive surgery, and provides a robot control system and method for blue laser vaporization surgery of prostatic hyperplasia. Mapping the nuclear magnetic image volume data to a deformation field under an ultrasonic acquisition coordinate system, and deforming the preoperative nuclear magnetic image to an intra-operative ultrasonic space by using the deformation field to complete image registration; fusing the registered image with a stereoscopic vision system; the spatial depth of the surface of the target tissue is obtained from the endoscopic image so as to supplement navigation information; according to the utility model, the prostate deformation and probe posture change adaptive capacity in an operation is improved, the real-time visual closed-loop regulation and control capacity is improved, and the characteristics of small light spots, shallow heat diffusion, excellent hemostasis and the like of blue laser are combined, so that the vaporization and hemostasis precision in a tiny blood vessel dense area is ensured, and the problems of large tissue trauma and the like are avoided.

The utility model relates to the technical field of compression hemostasis devices, in particular to a compression hemostasis device for clinical nursing, which comprises a fixing plate and a compression hemostasis rubber head, the fixing plate is semicircular, the inner wall of the bottom of the fixing plate is fixedly connected with a fixing block, and the outer wall of the top end of the fixing block is fixedly connected with an arc-shaped plate. A sponge pad is bonded to the inner wall of the arc-shaped plate, a second clinical nursing compression belt is fixedly connected to the outer wall of one side of one side of the top end of the fixing plate, and a first clinical nursing compression belt is fixedly connected to the outer wall of the other side of the other side of the top end of the fixing plate. The top compression hemostasis rubber head can slide on the compression belt and can be conveniently and accurately adjusted to a bleeding position, the limb bottom supporting structure can be bent and folded, so that the side face of the limb is attached and limited, the compression stability is further improved, and hemostasis failure caused by limb sliding is prevented; and the use efficiency of the compression hemostasis device for clinical nursing is improved.

The invention relates to the technical field of medical instruments, in particular to a femoral artery hemostasis device and a hemostasis method. Comprising a compression plate and a compression ball installed on the upper side of the compression plate, a first compression point is arranged in the center area of the top of the outer surface of the compression ball, an annular center mark is arranged on the top of the inner surface of the compression ball, and a plurality of second compression points are arranged on the outer surface of the compression ball and located below the first compression point at equal intervals in the circumferential direction. The inner surface of the compression ball is provided with an annular guide line used for marking second compression points, and the inner surface of the compression ball is further provided with a radial guide line with one end connected with the corresponding positions of the second compression points on the annular guide line and the other end pointing to the center mark. The privacy protection device further comprises a fixing adhesive tape, and a privacy curtain used for shielding privacy is arranged on the fixing adhesive tape. The hemostasis device is simple in structure and convenient to use, operation procedures are reduced, the adaptability of the ellipsoidal curved surface structure is good, the hemostasis efficiency is greatly improved, and the hemostasis effect is more remarkable.

A method of uterine hemostasis involves inserting a suction line of a postpartum hemorrhage mitigation device through a cesarian incision into the uterine cavity, guiding the suction line through the cervix and into the vagina, positioning an anchoring mechanism of the device adjacent the internal cervical OS of the uterine cavity, closing the cesarian incision to enclose the suction line within the uterine cavity, and connecting the suction line to a negative pressure source that introduces negative pressure to the uterine cavity via the suction line, thereby causing contraction of the uterus and evacuation of fluid from the uterus via the suction line extension. Upon completion of a treatment period, the negative pressure source is disconnected, and the suction line and anchoring mechanism are extracted from the uterus through the cervical canal and the vagina.

The invention belongs to the technical field of medical equipment, and discloses medical service emergency limb rescue hemostasis equipment which comprises a base body, the base body is connected with a bandage, a fixing groove body, a first motor, an air pump, a control display center, a rack, an inflator pump and hemostasis sponge, the bandage is provided with a hook-and-loop fastener, and the fixing groove body is provided with a sliding groove. An output shaft of the first motor is connected with an eccentric cam and a straight gear, the rack is connected with a linkage box body, the linkage box body is connected with a second motor and a linkage arm, the linkage arm is connected with a linkage plate, the linkage plate is connected with an extrusion air bag, and the inflator pump is connected with an inflation connecting rod. The first motor is used for controlling the horizontal position of the linkage plate and the filling state of the extrusion air bag, the second motor is used for controlling the relative angle of the linkage plate and the extrusion air bag, the air pump is used for controlling the inflation state of the pressing air bag, the rescue hemostasis equipment is wide in application range, extrusion and pressing act on a wound at the same time, the hemostasis effect can be guaranteed, and the operation is convenient. And the wound recovery effect can be improved.

A blood flow blocking device is provided with a wearing space used for containing a part to be subjected to hemostasis, and the blood flow blocking device comprises a first supporting piece, a second supporting piece, at least one hemostasis balloon and an air pipe. One longitudinal end of the second supporting piece is movably connected with one longitudinal end of the first supporting piece, and the wearing space is formed between the first supporting piece and the second supporting piece; an air cavity is formed in each hemostasis balloon, and the at least one hemostasis balloon is arranged on the side, facing the wearing space, of the first supporting piece; and the air pipe is communicated with the air cavity of each hemostatic balloon. According to the blood flow blocking device, main arteries or bleeding spots can be accurately pressed, and the hemostatic effect is achieved. The first supporting piece and the second supporting piece are movably connected with the opposite longitudinal ends, the part to be subjected to hemostasis is placed in the wearing space, or the part to be subjected to hemostasis is directly arranged in the wearing space in the transverse direction in a penetrating mode, and operation is more convenient.

The application belongs to the technical field of biomedical engineering, and particularly relates to a micro-hydrogel wrapping platelets, a freeze-dried powder and a preparation method, use method and application thereof. The micro-hydrogel wrapping platelets, the micro-hydrogel is in a core-shell or multi-chamber structure, and the platelets are wrapped inside; the micro-hydrogel is formed by emulsifying a dispersed phase solution in a continuous phase solution and spontaneously physically gelling, and the platelets are wrapped inside; the micro-hydrogel can reduce the damage to the platelets caused by the freeze-drying process and rehydration, and the platelets can be stored for a long time after freeze-drying; when used, the micro-hydrogel can be dissociated by only rehydrating, centrifuging and heating, without the need of adding an additional decrosslinking agent, and the operation is convenient. The micro-hydrogel wrapping platelets has higher expression of hemostasis-related glycoprotein and lower de-sialylation degree after freeze-drying, rehydration and dissociation, and is expected to have better hemostasis ability and longer in-vivo circulation time; and is expected to greatly extend the storage time of platelets and alleviate the shortage of platelets.

A hemostasis device configured to apply a compressive force to a puncture site of a patient's vessel, such as an artery of the foot, is disclosed. The hemostasis device may include a compression member having a plurality of tabs and an inflatable bladder. A plurality of bands may be used to position and maintain the compression member over the puncture site until hemostasis is achieved are releasably coupled to the plurality of tabs. A first band can wrap around the ankle, a second band can wrap around the foot, and a third band can extend between two toes or around a toe. The hemostasis device may also comprise an inflation port in fluid communication with the inflatable bladder.

The air pressure type radial artery hemostat comprises a hemostat body which is detachably arranged on the wrist of a patient and provided with a plurality of compression air bags, and the multiple compression air bags are provided with puncture mark points which are arranged in a connected mode so as to be matched with the radial artery puncture position of the patient. The hemostat body is provided with inflation ports communicated with the multiple compression air bags, the inflation ports are communicated with a control air valve through an air pipe, the control air valve has multiple quantitative deflation modes for automatic pressure reduction, and the end, away from the air pipe, of the control air valve is connected with an inflation device. A pressure visible structure is arranged between the control air valve and the air pipe to reflect the hemostasis pressure applied to the wound of the patient by the multiple compression air bags. According to the radial artery compression hemostat, initial pressure applied to a wound of a patient can be visually and quantitatively displayed, the applied pressure can be automatically adjusted according to the compression hemostasis condition of the patient, meanwhile, compared with a traditional radial artery compression hemostat, the manufacturing cost is not remarkably increased, and the use requirements of clinicians are met.

The invention provides an intelligent compression device and method for maintaining the internal fistula function of a hemodialysis patient, and belongs to the technical field of intelligent compression. The device comprises a CMUT ultrasonic array, an errhysis sensor, a bioelectricity monitoring module, an infrared temperature sensing array, an AI intelligent decision module, a dynamic pressure adjusting system, an energy field intervention module and a microneedle drug delivery module. Through space-time alignment collection of multi-modal data, dynamic parameter optimization of an AI model and rapid cooperative response of an actuator, the internal fistula compression is spanned from experience dependence to accurate intelligence, and the hemostasis efficiency and the blood vessel protection effect are remarkably improved.