377 results about "Artery puncture" patented technology

The invention relates to a puncture path planning system and equipment adopting the puncture path planning system, which directly solve the difficulty of peripheral artery puncture and laterally solve the defects of some deep vein catheterization and vasostomy, and the puncture path planning system comprises at least one memory in which a computer program is stored, the at least one processor is configured to implement the puncture path planning method when executing a computer program, and the method comprises the following specific steps: generating a path leading to a target position from different starting points and angles of a blood vessel by adopting a preset geometric algorithm based on a preset safety margin constraint, blood vessel feature constraint information and surrounding tissue constraint information; the generated puncture needle inserting path is integrated into a blood vessel 3D reconstruction model to be displayed in different colors or line styles. The method has the advantages that the blood vessel model is accurately constructed, the puncture path is safely generated, and catheterization of the peripheral artery indwelling needle is more efficient.

The invention discloses a post-arterial paracentesis hemostasis supervision method and related equipment. The method comprises the following steps: monitoring blood flow data of a puncture part of a patient by using a sensor, wherein the blood flow data comprises artery blood flow data and tissue micro blood flow data; based on the pulse blood flow data and the tissue micro blood flow data, the hemostasis effect and the local tissue ischemia condition of the puncture part of the patient are evaluated; and adjusting the hemostasis pressure according to the hemostasis effect and the local tissue ischemia condition. The problems that a traditional manual compression method is time-consuming and labor-consuming, and the hemostatic effect is poor due to misoperation can be solved.

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 relates to the technical field of medical monitoring, in particular to an intelligent self-adaptive arteriopuncture decompression monitoring system. The image acquisition module is used for acquiring image information of a punctured limb in real time; the image processing module is used for preprocessing the acquired image and enhancing the image contrast; segmenting the blood vessel; the deviation condition of the blood vessel center curve is detected, and the deviation amount or the deviation direction is output; the judgment module is used for establishing a prediction model, generating a decompression demand according to a blood vessel image analysis result, and generating a control command to adjust the position and pressure of the compressor according to the decompression demand; and the pressure reduction control module is used for adjusting the pressure of the compressor or sending a monitoring prompt according to the control command. According to the technical scheme, the arterial puncture decompression monitoring effect and safety can be improved.

The invention relates to the technical field of compression protection assistance, and provides a compression protection auxiliary control system for a carotid artery puncture point, which comprises a signal integration module, a compression force optimization control module, a transient response module and a real-time monitoring module. The signal integration module is responsible for collecting pressure, displacement, acceleration and electromyographic signals around a puncture point and processing data to generate an image reflecting a mechanical state; the compression force optimization control module dynamically adjusts the target compression force distribution of the positions of the sensors based on real-time monitoring data so as to adapt to the pressure requirements of the patient in different states; the transient response module is responsible for identifying non-autonomous actions of a patient, and by analyzing action types and deviation amplitudes, the compression force is adjusted in real time when the actions occur, so that the influence of transient actions on puncture points is reduced; the real-time monitoring module can upload the patient data to a cloud server, and when the pressure fluctuates or the action frequency exceeds a preset threshold value, early warning information is sent to medical staff.

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 belongs to the technical field of hemostasis devices, and particularly relates to a coronary angiography postoperative radial artery puncture part hemostasis device which comprises a winding belt, a plurality of air bags are arranged on the winding belt, inflation connectors are arranged on the air bags, the adjacent air bags are connected together through bridging parts and communicated with one another, and the other ends of the air bags are communicated with the inflation connectors. The utility model has the beneficial effects that: the air bag is arranged on the winding belt, the winding belt is sleeved on a hand by using the magic tape, and the air bag is inflated by using the inflator, so that the air bag tightly presses a puncture part, and the aim of effectively stopping bleeding is achieved; the degree of compression of the air bag on a puncture part can be adjusted by adjusting the inflation volume of the air bag, so that the pressure of the air bag can be adjusted according to specific conditions; due to the fact that the winding belt and the air bag are both made of transparent materials, the pressing condition of the air bag on a puncture part can be observed in the using process, the hemostasis condition can be known and observed clearly, and then the air inflation amount of the air bag is dynamically adjusted.

The utility model discloses a movable radial artery puncture auxiliary device, and belongs to the technical field of medical equipment. Comprising a movable base which moves under the action of external force, a lifting component installed in the center of the top face of the movable base and an angle adjusting piece installed on the top of the lifting component in the longitudinal direction, the angle adjusting component reciprocates in the longitudinal direction under the action of the lifting component, and the angle adjusting piece has two degrees of freedom. The arm support is transversely placed and installed at the top of the angle adjusting piece, the corrugated support is arranged at the end of the arm support, and a restraint strap is installed at the end, away from the arm support, of the corrugated support. The angle adjusting piece is matched with the corrugated support and medical staff, adjustment is carried out according to the condition of a patient, the success rate of radial artery puncture catheterization and the comfort degree of the patient are increased, the restraint strap is matched, the upper limbs of the patient can be effectively prevented from moving or being not matched during radial artery puncture, operation is easy and convenient, and practicability is high.

The invention provides a child arterial paracentesis nursing device, and belongs to the technical field of medical instruments. In order to solve the problems that an existing nursing device cannot control the compression strength of a puncture point and is single in function, a hemostasis pressing device is additionally arranged on a fixing plate, and the hemostasis pressing device comprises a hemostasis pressing mechanism and a massage mechanism; the hemostasis pressing mechanism comprises a positioning assembly and a hemostasis pressing block; the massage mechanism comprises a rotating assembly and a massage head, and the massage head is arranged on the hemostasis compression block in a sleeving mode, so that under the condition that hemostasis compression needs to be conducted on puncture points of patients such as children, the hemostasis compression block can extend outwards to the outer side of the massage head through the positioning assembly, and hemostasis compression of the puncture points is achieved; if the puncture point is pressed for hemostasis, the skin of the puncture point of the patient is bruised or painful, and the like, the massage head can be controlled to rotate through the rotating assembly to massage the skin around the puncture point, bruise elimination is promoted, and discomfort of the patient is relieved.

The utility model provides a radial artery paracentesis postoperation compression hemostasis braking device which comprises a fixing plate, fixing pieces and a pressurizing assembly, the fixing pieces and the pressurizing assembly are installed on the fixing plate, the two fixing pieces are arranged at the two ends of the fixing plate, and the pressurizing assembly is arranged between the two fixing pieces. The pressurizing assembly comprises a clamping piece used for being clamped outside a surgical limb of a patient and a pressing piece used for being pressed on a puncture point, the pressing piece is installed on the clamping piece, a containing space for containing the surgical limb is formed between the fixing plate and the clamping piece, and at least one part of the pressing piece stretches into the containing space; according to the device, at least the palm-to-forearm section of the operative limb is fixed to the fixing plate through the fixing piece, so that the wrist joint is braked, the braking effect is good, and movement of the operative limb is not affected; the pressing piece does not influence normal blood supply of an operation limb, the compression hemostasis effect of a puncture point is good, meanwhile, operation is easy, and the workload of medical staff can be reduced.

The invention provides an auxiliary device for arteriopuncture positioning, and relates to the technical field of arteriopuncture, the auxiliary device for arteriopuncture positioning comprises a mounting part and an ultrasonic probe body, a patient places an arm on a placing plate, and the placing plate is adjusted to a proper angle through an adjusting part, so that the comfort of the patient is improved; the arm of a patient is fixed to the placing plate through the fixing part, the fixing plate is driven by the adjusting part to move downwards, the ultrasonic probe body can move along with the placing plate until the ultrasonic probe body makes contact with the arm of the patient, the driving part can drive the placing plate to horizontally move, and when the placing plate horizontally moves, the arm can move along with the placing plate; when the arm moves, the ultrasonic probe body can scan the artery of the arm and adjust the position of the puncture part, and a medical worker can puncture the puncture needle into the artery through the puncture part, so that puncture work can be conveniently completed, puncture errors of the medical worker are effectively prevented, and the success rate of puncture is increased.

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 discloses equipment for establishing a mouse hemorrhagic shock resuscitation model. The equipment comprises a surgery operation table, a body temperature maintaining device, a puncture module, an in-vitro blood heat preservation device, an artery puncture device, a blood transfusion / bloodletting device, a blood temporary storage device, an arterial blood pressure monitoring device and a three-way device. According to the invention, venipuncture catheterization is not needed in the blood transfusion / letting process, the purposes of blood transfusion / letting and real-time arterial blood pressure monitoring can be achieved only through arterial puncture catheterization, and the retention of veins can not only reduce the difficulty of the operation, but also ensure the backflow of tissue blood after the operation, so that the injury caused by the operation is reduced. According to the in-vitro blood heat preservation device, the in-vitro blood can be kept at a constant temperature, and the death risk of mice caused by body temperature changes can be effectively reduced. According to the blood transfusion / bloodletting device, the blood transfusion / bloodletting speed can be manually controlled, the problem that the blood transfusion / bloodletting speed cannot be controlled by manual bloodletting can be effectively solved, and heart failure caused by rapid and massive blood transfusion is avoided.

The utility model discloses a compression device after radial artery puncture, which belongs to the technical field of medical treatment and comprises a glove, three elastic bands are arranged on the outer wall of the glove, the three elastic bands form a triangular position and are tensioned, a side edge opening is formed in the front side of the glove, and a pressing opening is formed in the top of the glove. The top of each elastic band is fixedly connected with a pressing sleeve used for pressing a wound, and the pressing sleeves are fixedly connected to the intersection of the three elastic bands. By means of the mode, the winding rod is rotated to enable the binding line to be wound and pull the elastic band to be tightened, so that the pressing sleeve properly compresses a wound, the winding degree of the binding line is adjusted by rotating the rotating rod, the compression strength is controlled, operation is easy and convenient, and adjustment is convenient.

The invention provides a radial artery interventional puncture operation fixing and pressing structure, and belongs to the field of medical instruments. Comprising a wearable positioning mechanism and a thread adjusting type compression mechanism, a first hollow column which is installed in the component fixing cavity through a bearing and can rotate and a limiting lantern ring which is arranged on the outer circumferential face of the first hollow column in a sleeving mode and can be attracted to the top of the annular permanent magnet are arranged in the thread adjusting type pressing mechanism, and when the first hollow column rotates, the limiting lantern ring is attracted to the top of the annular permanent magnet. The threaded moving plate can move longitudinally; and the arc-shaped pressing plate is located under the wearable positioning mechanism and can move longitudinally along with the threaded moving plate. The device can be worn at the radial artery puncture position of a patient and has the advantage of being convenient and fast to use, meanwhile, medical staff can adjust the compression intensity on the puncture point according to the actual situation of the patient at the puncture position, and therefore the effective working range of the device for different crowds and physiques is widened, and the safety degree of device use is improved.

Embodiments described herein relate to a shunt for treating an aortic aneurysm. In some embodiments, the shunt may include a central portion, an arterial sealing structure, and a venous sealing. In some embodiments, the venous sealing structure may have a lateral length in its deployed configuration, and the arterial sealing structure having a lateral length in its deployed configuration that is greater than the lateral length of the venous sealing structure. A method of implanting the shunt may include selecting the shunt based on a lateral thickness of a thrombus formed in an aortic aneurysm determined by imaging of the aortic aneurysm. The shunt may be advanced in a delivery configuration through a venous puncture site of a vein to access an arterial puncture site of the artery, and then deployed, thereby enabling blood flow through the central portion of the shunt from the artery to the vein.

The invention relates to the technical field of medical instruments, and particularly discloses a femoral artery puncture device which comprises a transmission blood oxygen measuring device, a displayer and a puncture needle. The displayer is rotationally connected with the puncture needle through the angle adjusting mechanism, and the transmission blood oxygen measuring device is arranged at the rear end of the puncture needle and is in wireless signal connection with the displayer. The transmission blood oxygen measuring device comprises an LED light-emitting tube and a blood oxygen detector, and the LED light-emitting tube irradiates towards the direction of the blood oxygen detector. Blood oxygen information of a puncture part is monitored in real time through the transmission blood oxygen measuring device, the information is transmitted to the displayer, a doctor can judge whether the puncture needle accurately enters the femoral artery or not according to blood oxygen data displayed by the displayer, and therefore puncture accuracy and safety are improved; the angle adjusting mechanism is convenient for doctors to adjust the angle of the display and facilitate observation; and the performance and applicability of the device are further enhanced through a plurality of transmission blood oxygen measuring devices distributed circumferentially and puncture needles of various models.

The utility model relates to a puncture device for invasive arterial blood pressure monitoring, which comprises an artery puncture part for puncturing the blood vessel of a patient and an angle control part for adjusting the puncture angle of the artery puncture part, the angle control part is provided with a support frame, the support frame is provided with a rotating rod in a penetrating manner, and the rotating rod can rotate along the axis of the rotating rod. One end of the rotating rod is connected with a guide groove capable of synchronously rotating with the rotating rod, the other end of the rotating rod can be structurally matched with a locking assembly arranged on the surface of the supporting frame to lock the rotating rod, and under the condition that the guide groove rotates to a preset angle, a needle cylinder arranged on the artery puncture part can be placed on the inner side of the guide groove; the artery puncture part can puncture the blood vessel of a patient at a preset angle under the guiding effect of the rollers arranged on the inner side wall of the guiding groove on the needle cylinder.

The invention relates to the technical field of medical instruments, in particular to a compression device for a hemostatic ball, which comprises a fixing block covering a puncture point on a wrist radial artery, a hemostatic component, a compression component, a compression component and a compression component, and is characterized in that the edges of two sides of the fixing block are provided with fixing bands for being fixed on the wrist; the upper top cover and the lower closing block are arranged in an inner cavity of a fixing block, movable gaps are reserved in the upper portion and the lower portion of the upper top cover, and a plurality of evenly-distributed hemostasis balls are arranged in the movable gaps between the upper top cover and the lower closing block and used for stopping bleeding of a puncture point. The operating mechanism is arranged on the fixing block and used for tightening the hemostasis assembly and the fixing band at the puncture point. A collaborative operation mode is adopted, tightening of the fixing band and compression of the hemostasis assembly are synchronously performed at the position of a wrist radial artery puncture point, the effects of positioning the puncture point and fixing the device are achieved, compression hemostasis is performed according to the specific condition of a patient, the fixing band does not need to be repeatedly operated, and the influence of external force extrusion is reduced.

A handheld ultrasound guiding system for the transcutaneous delivery of a needle into blood vessel that can be used to then deliver a guidewire, the battery powered light-weight device consisting of a phased array ultrasound generator, a transducer probe, a screen, computer processor that is mechanically coupled to a needle holder mounted at an angle to the ultrasound probe, the needle is mounted such that it can be advanced into a target blood vessel that is being visualized real-time by the ultrasound probe.

The utility model discloses a pressure-controllable hemostat for arterial puncture, which particularly belongs to the technical field of hemostats and comprises an elastic bandage, a positioning display board, a hemostasis compression column and a protective gasket tightly attached to the skin at the puncture position. The number of the elastic bandages is two, and the two elastic bandages are rotatably connected with the two ends of the positioning display board respectively. A threaded groove is formed in the positioning display board, a thread matched with the threaded groove is arranged at the side end of the hemostasis compression column, and the hemostasis compression column is in threaded connection in the threaded groove; and the protective gasket is rotatably connected to the hemostasis compression column. According to the hemostat, the pressing degree is controlled by rotating the hemostasis compression column, and the effect is more visual. Meanwhile, the compression point directly faces the puncture opening, accurate compression hemostasis can be achieved, and local pressure damage to the puncture opening is avoided.

The utility model relates to a radial artery puncture assist device, which comprises a front arm, a rear arm, a rear arm, an upper arm and a lower arm, the rear arm is detachably connected with the front arm, the interior of the rear arm is semi-arc-shaped, and second supporting wings are arranged on the two sides of the rear arm; the adjusting assembly is arranged at the rear end of the front arm and is clamped with the rear arm to adjust the inclined included angle between the front arm and the rear arm; the binding assembly is arranged at the bottom of the front arm and the bottom of the rear arm and used for binding the arms of a puncture person. The utility model has the beneficial effects that the front arm and the rear arm are detachably connected, so that the front arm and the rear arm can be conveniently assembled in different included angle states so as to be suitable for different persons to use, the front arm and the rear arm can be clamped and fixed through the positioning bolt after adjustment is completed, and relative rotation of the front arm and the rear arm can be effectively limited due to the clamping teeth and the clamping groove after fixation, so that the working efficiency is improved. After being drawn out, the binding belt can be stuck and buckled through the hook-and-loop fastener loop face and the hook-and-loop fastener thorn face of the binding belt, so that the binding effect is achieved, and the arm and the palm are fixed to the front arm and the rear arm respectively.

The invention discloses a hemostasis device for a radial artery puncture part after coronary angiography. The hemostasis device comprises a fixing assembly, a fixing sleeve, a rotating ring and a pressing head. The fixing sleeve is arranged outside the fixing assembly in a sleeving mode, the fixing sleeve and the fixing assembly are connected through the large spring, the lower end of the fixing assembly is movably connected with the rotating ring, the pressing head is arranged in the rotating ring in a sleeving mode, and the pressing head is arranged in the fixing assembly in a sleeving mode. The pressing head can be detachably fixed through the arranged fixing assembly, one-key fixing can be achieved only by directly pulling the fixing sleeve in the fixing process, fixing is rapid and convenient, meanwhile, the fixing head is made into a detachable form, the pressing head can be installed in the using process, the pressing head can be replaced due to the detachable installation arrangement, and the pressing head is convenient to use. The risk caused by cross infection can be effectively reduced, and meanwhile materials can be saved to a great extent.

The utility model relates to a femoral artery puncture binding point pressurization fixing device which comprises a pressurization body. The binding belt is slidably mounted on the end surface of one side of the pressurizing main body; the dressing assembly is slidably mounted on the end face, away from the binding belt, of the pressurizing body; the elastic part is arranged between the pressurizing main body and the dressing assembly and used for enabling the dressing assembly to move in the direction away from the binding belt; the pressing assembly is arranged between the pressurizing body and the dressing assembly and used for enabling the dressing assembly to move in the direction close to the binding belt under the condition that the pressing assembly is pressed. The binding belt is bound on the limb, the dressing assembly on the pressurizing body is attached to the affected part, the binding point of a patient is pressurized through the elastic piece, under the action of the elastic piece, the dressing assembly can stably pressurize the binding point, and even if the dressing assembly moves, the dressing assembly can stably attach to the binding point and pressurize the binding point; the problems that the pressure at a femoral artery puncture point is fixed, displacement and falling are prone to occurring, and the effect is poor are effectively solved.

The utility model discloses a hand support facilitating radial artery puncture, and relates to the technical field of radial artery puncture. The device comprises a rubber block, an arc-shaped groove is formed in the rubber block, a dovetail groove is formed in the arc-shaped groove, a forearm support is arranged in the arc-shaped groove, a sliding block is fixedly connected to the bottom of the forearm support, an elastic band is fixedly connected to one side of the forearm support, and a clamping groove is fixedly connected to the other side of the forearm support. The rubber block, the arc-shaped groove, the forearm support and the elastic band are arranged, the rubber block is made of soft materials, the comfort degree of a patient can be guaranteed, the arc-shaped groove and the forearm support are used in cooperation, stable support can be provided for the arm, it is guaranteed that the arm is located at the position suitable for puncture, and the puncture effect is good. The puncture accuracy and the operation convenience are improved, a single nurse can achieve puncture operation, and great convenience is brought to patients and medical staff.

To provide a blood purification device that can accurately determine whether a venipuncture has been performed correctly in a patient. [Solution] The blood purification device 1 comprises a blood purifier 3 capable of purifying blood, a blood circuit 2 having an arterial blood circuit 21 with an arterial puncture needle 211 attached to its tip and a venous blood circuit 22 with a venous puncture needle 221 attached to its tip, an impedance measuring unit 5 having an oscillator 53 that applies an AC voltage between an arterial electrode 51 provided on the arterial blood circuit 21 and a venous electrode 52 provided on the venous blood circuit 22, and capable of measuring the frequency characteristics of the impedance between the arterial electrode 51 and the venous electrode 52, and a puncture determination unit 72 that determines whether the patient has been properly punctured based on the measured impedance frequency characteristics, and further comprises a frequency range determination unit 70 that determines the frequency range of the AC voltage applied by the oscillator 53 according to the liquid in the blood circuit 2.

The auxiliary fixing device comprises a supporting frame, a two-way threaded rod is rotationally installed on the inner wall of the supporting frame, guide rods are arranged at the two ends of the two-way threaded rod, and the guide rods are fixedly installed on the inner wall of the supporting frame; the two-way threaded rod rotationally penetrates through the supporting frame and is fixedly connected with an output shaft of a motor, the motor is fixedly installed on the surface of the supporting frame, the outer sides of the two ends of the two-way threaded rod are sleeved with adjusting blocks in a threaded mode correspondingly, the adjusting blocks slidably sleeve the outer sides of the guide rods correspondingly, and sliding grooves are formed in the two sides of the supporting frame correspondingly; one end of the adjusting block is fixedly connected with the fixing bandage, the other end of the adjusting block is fixedly connected with the locking assembly through the connecting plate, and the locking assembly is used for fixing the fixing bandage. The problems that in the prior art, fixation is not firm, adjustment cannot be achieved, comfort is poor, and observation is inconvenient are solved.

The utility model discloses an artery puncture pressing auxiliary device which can reduce the labor intensity of medical staff, can apply specific pressure to a puncture point and can improve the pressing efficiency. The artery puncture pressing auxiliary device comprises a shell, a pressing cotton ball, a push rod and a first flexible splicing belt. An opening is formed in one end of the shell in the axial direction of the shell. Along the axial direction of the shell, the pressing cotton ball is movably arranged in the shell and can extend out of the opening. One end of the push rod is connected with the pressing cotton ball, the other end penetrates through the other side of the shell in the axial direction, and the push rod is used for adjusting the position of the pressing cotton ball relative to the opening. The first flexible adhesive tape shell is connected with the flexible adhesive tape, the first flexible adhesive tape is provided with a first through hole corresponding to the opening in the thickness direction of the first flexible adhesive tape, and the pressing cotton ball penetrates out of the first through hole.

The utility model discloses a femoral artery puncture sandbag compression fixing device for vascular surgery, which particularly belongs to the field of medical instruments and comprises a fixing waistband, and an auxiliary compression mechanism is embedded in the fixing waistband. By arranging the auxiliary compression mechanism, the compression effect on the femoral artery of a patient is improved, the fixing waistband surrounds the waist of the patient, the fixing band penetrates through one side of the fixing waistband, the tail end of the fixing band is opposite to the other side of the fixing waistband, and the second buckle and the first buckle are aligned and buckled; the position of the fixing band is adjusted according to the position of a femoral artery puncture point of a patient, the movable block is pulled to enable the fixing bag to move along the fixing band until the fixing bag is aligned with the femoral artery puncture point, the compression sandbag can continuously and stably compress the puncture point by adjusting the position of the movable block, and the limiting buckle is embedded into the movable block for limiting, so that the puncture point can be compressed stably. The compression sandbag can be flexibly adjusted according to the figure of a patient and the specific position of a puncture point, and the adaptability of the device is improved.

The utility model discloses a flexible positioning device for radial artery puncture, and relates to the technical field of radial artery puncture positioning. The problems that in the prior art, only the arm of a patient can be fixed to a designated position, and the arm fixing position of the patient cannot be adjusted according to the position of the radial artery of the patient are solved. A flexible positioning device for radial artery puncture comprises a base plate, a first protection layer is arranged on the outer surface of the base plate, a limiting belt is fixed to the lower surface of the base plate, an arm fixing belt, a palm fixing belt and a supporting fixing belt are movably installed between the limiting belt and the base plate, and the supporting fixing belt is arranged between the arm fixing belt and the palm fixing belt. And a supporting structure is fixedly mounted on the supporting and fixing belt. According to the flexible positioning device for radial artery puncture, the arm fixing band, the palm fixing band and the supporting fixing band can be moved according to the position of the radial artery of a patient, use is more flexible, the arm of the patient can be reinforced, the patient is prevented from being stabbed to move in the puncture process, and the positioning effect is improved.