196 results about "Artery puncture" 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 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 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 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 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.

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 relates to a compression hemostasis device after radial artery paracentesis, which comprises a C-shaped arm, one end of the C-shaped arm is provided with a mounting column, the mounting column penetrates through the C-shaped arm, the end part of the mounting column is provided with a pressure plate, the mounting column is provided with an adjusting mechanism, and the adjusting mechanism is used for driving the pressure plate to adjust along the length direction of the mounting column so as to provide compression force. According to the compression hemostasis device, the compression force can be provided for the punctured position of the wrist of a patient through the clamping effect provided by the pressing disc and the end portion of the side, away from the installation column, of the C-shaped arm, then the hemostasis effect is achieved, and compared with a traditional hemostasis mode that a binding belt is used for tightening, the compression hemostasis device is in a two-point clamping mode and is convenient to use. The whole wrist cannot be excessively tightened, blood circulation of the wrist cannot be affected, the phenomenon of local swelling pain is avoided, the comfort of a patient is improved, meanwhile, the position of the pressing disc can be finely adjusted according to a specific puncture point, so that the pressing disc can be aligned to the puncture point, effective pressing force is provided, and the universality is high.

The invention relates to the technical field of medical instruments and clinical nursing, in particular to a radial artery puncture navigation system based on multi-modal sensing and digital projection, which comprises the following steps: a multi-modal blood vessel signal acquisition module, which is used for acquiring a blood vessel pulsation signal on the wrist of a patient through a photoplethysmography sensor array, the strongest pulsation line is positioned through the pressure sensor array, and the blood vessel depth and artery and vein distinguishing information are obtained through the bioelectrical impedance sensor array. According to the invention, through multi-modal blood vessel signal acquisition, blood vessel dynamic deformation modeling, personalized digital twinning construction and dynamic updating, projection path generation and control, and projection output and real-time error compensation, real-time visual projection of a blood vessel center line and local deformation is realized; therefore, the problem that puncture positioning is not accurate due to the fact that dynamic changes of blood vessels cannot be accurately reflected due to the fact that most traditional radial artery puncture adopts a hand feeling positioning method is solved.

The cardiology department puncture auxiliary positioning device comprises two pairs of fixing frames, the two pairs of fixing frames are oppositely arranged, the pair of fixing frames located at the upper end are connected through a connecting rod, the other pair of fixing frames are fixedly connected to the two sides of an extension plate respectively, a plurality of clamping grooves are formed in the bottom ends of the fixing frames, and a connecting plate is slidably clamped in each clamping groove; the two connecting plates opposite in position are connected through fastening belts, and the fastening belts connected with the two pairs of fixing frames are arranged in a staggered mode in the horizontal direction. The fixing frame can be matched with the control assembly to fix the arm of a patient, meanwhile, the fixing frame is matched with the fixing assembly to fix the palm of the patient, and the patient can conveniently maintain the hand posture for a long time during radial artery puncture so as to stably conduct radial artery puncture; and finally, the puncture direction of the medical staff is guided through the auxiliary assembly.

The utility model provides a disposable adjustable blood vessel puncture body position fixing device. Comprising an arm plate and a fixing belt, two elastic bands are fixed to the fixing belt, first hook-and-loop fasteners are arranged on the two elastic bands, second hook-and-loop fasteners matched with the first hook-and-loop fasteners are arranged on the fixing belt, a wrist plate is fixed to one side of the arm plate, a hand protection plate is fixed to one side of the wrist plate, a first adjusting plate is arranged on the arm plate, and a second adjusting plate is arranged on the arm plate. A first adjusting plate is arranged on the wrist plate, a second adjusting plate is arranged on the hand protection plate, protection pads are arranged on the arm plate and the hand protection plate, and the wrist plate, the first adjusting plate and the second adjusting plate are all made of plastic aluminum materials. The disposable adjustable blood vessel puncture body position fixing device solves the problems that a radial artery puncture fixing device cannot fully limit tiny movement of an arm and a palm and cannot meet the requirement of personalized adjustment, so that a patient feels uncomfortable in the long-time fixing process.

The hemostasis compression device comprises a shell, a pressing plate, a covering part, an adjusting part and two fixing belts, a mounting cavity is formed in the shell, an opening is formed in the bottom face of the shell, the pressing plate is arranged in the mounting cavity and can move up and down in the mounting cavity, the upper end of the covering part is connected to the bottom face of the pressing plate, and the upper end of the adjusting part is connected to the bottom face of the pressing plate. The lower end of the shell extends out of an opening in the bottom end of the shell and is used for covering an artery puncture opening, the adjusting piece is arranged on the shell in a penetrating mode, the lower end of the adjusting piece makes contact with the pressing plate and is used for adjusting the pressing plate to move downwards, and the two fixing belts are arranged on the two opposite sides of the shell respectively and are used for fixing the shell to the artery puncture opening of a patient. The compression hemostasis device is simple in structure, the compression force can be freely adjusted, and the compression hemostasis effect is good.

The present application belongs to the technical field of radial artery hemostasis device, and particularly relates to a radial artery intelligent compression hemostasis device, which comprises a shell, a pressure sensor, a speed reducer and a compression rod, the pressure sensor and the speed reducer are both arranged in the shell, the fixed end of the pressure sensor is fixedly connected with the shell, the speed reducer is fixedly arranged at the measuring end of the pressure sensor, the output end of the speed reducer is threadedly connected with one end of the compression rod, a guide channel is arranged on the shell, the compression rod is slidingly arranged in the guide channel, the end of the compression rod away from the speed reducer is provided with a pressing plate, the pressing plate is exposed to the shell, a silica gel compression pad is detachably arranged on the pressing plate, a bandage is arranged on the shell, the bandage is used for binding the radial artery intelligent compression hemostasis device on the wrist of a patient, and at this time, the compression pad is pressed on the radial artery puncture point. The hemostasis device avoids long-time compression of the distal end of the radial artery, avoids insufficient pressure from causing bleeding, and most quickly achieves the purpose of radial artery compression hemostasis, and reduces secondary injury and sequelae after compression.

A blood purification device (1) comprises: a blood purifier (3) capable of purifying blood; a blood circuit (2) including an arterial-side blood circuit (21) which has an arterial-side puncture needle (211) attached on the distal end thereof, and a venous-side blood circuit (22) which has a venous-side puncture needle (221) attached on the distal end thereof; an impedance measurement unit (5) including an oscillator (53) that applies an alternating-current voltage across an arterial-side electrode (51) provided to the arterial-side blood circuit (21) and a venous-side electrode (52) provided to the venous-side blood circuit (22), the impedance measurement unit being capable of measuring frequency characteristics of the impedance between the arterial-side electrode (51) and the venous-side electrode (52); and a puncture determination unit (72) for determining, on the basis of the measured frequency characteristics of the impedance, whether a patient has been punctured normally. The blood purification device also comprises a frequency range determination unit (70) for determining the frequency range of the alternating-current voltage applied by the oscillator (53) in accordance with the liquid in the blood circuit (2).

The invention is applicable to the field of medical auxiliary instruments, and provides a femoral artery puncture point compression device which comprises a shell, an insertion frame, a compression block mounting shell, a telescopic rod, a compression block, a sliding sleeve, a sliding rod, a first compression spring, a retaining assembly, an alternate telescopic mechanism and a pneumatic supporting mechanism. An inserting groove is formed in the shell, the tail end of the inserting frame is connected to the inserting groove in a sliding mode, and the pressing block mounting shell is fixed to the inserting frame; the holding assembly is disposed on the housing. The alternate telescopic mechanism drives the two adjacent sliding sleeves to alternately drive the supporting plate to support the limb, then different positions of the limb are fixed, discomfort caused by long-time fixing of the same position of the limb is avoided, the limb massage effect can be achieved in the mode that the two adjacent sliding sleeves alternately drive the supporting plate to support the limb, and the limb massage effect is improved. And the limbs are always supported by the supporting plate, so that the compression stability of the compression block on the puncture point is ensured.

The utility model discloses a simulated radial artery puncture practice device, and relates to the technical field of medical instruments. The simulated radial artery puncture practice device comprises a bearing main body and a bearing auxiliary body, the top face of the bearing body is an arc-shaped face, the bottom face of the bearing body is a horizontal plane, the bearing body is provided with a first end and a second end, the arc-shaped face is located between the first end and the second end, and the upper end face of the first end and the upper end face of the second end are connected into a whole through the arc-shaped face. The bearing auxiliary body is in an L shape, the bearing auxiliary body is provided with a horizontal section and a vertical section, the bearing auxiliary body is connected with the second end of the bearing main body through the horizontal section, the vertical section of the bearing auxiliary body vertically extends downwards, and a notch with a downward opening is formed between the horizontal section and the vertical section; the arc-shaped surface is connected with the upper end surface of the horizontal section; in order to improve the adaptability and practicability of the whole structure, the distance between the bearing main body and the bearing auxiliary body is set to be adjustable in a drawing mode, namely, the bearing main body and the bearing auxiliary body are movably connected.

The utility model discloses a pressing hemostasis device, including a mounting plate, side plates are fixed to the outer walls of both sides of the mounting plate respectively, a plurality of slots are opened on the outer walls of the side plates, a support plate is slidably connected to the outer wall of one side of the side plates, an elastic pad is fixed to the outer wall of the support plate, a group of movable plates are slidably connected to the outer wall of the bottom of the support plate, a fixed plate is fixed to the outer wall of the movable plate, a plug is fixed to the outer wall of one side of the fixed plate, the plug is plugged into the inner wall of the slot, an internal threaded barrel is fixed to the inner wall of the mounting plate, a threaded rod is connected to the inner wall of the internal threaded barrel by threads, a pressure plate is rotatably connected to the outer wall of the bottom of the threaded rod, hemostatic cotton is bonded to the outer wall of the bottom of the pressure plate, and a group of guide rods are fixed to the outer wall of the pressure plate. The utility model can press and stop bleeding at the position of the arterial puncture hole quickly, while only squeezing the two sides of the wrist, avoiding strangulation caused by over-tightening the wrist, thereby improving the overall comfort of the pressing hemostasis device when used.

The utility model belongs to the technical field of medical instruments, and discloses a connecting pipe fixing clamp for arteriopuncture, which comprises a mounting belt and a mounting seat, the mounting seat is fixedly connected with the mounting belt, the mounting belt is fixedly connected with a buffer layer, two ends of the mounting belt are respectively and fixedly connected with a magic tape A surface and a magic tape B surface, and the mounting belt is fixed through the magic tape A surface and the magic tape B surface. A mounting groove is formed in the mounting seat, the mounting seat is rotatably connected with a pressing plate, the pressing plate is clamped with the mounting groove, the mounting seat is fixedly connected with a sliding seat, the mounting seat is slidably connected with a clamping block through the sliding seat, a tension spring is arranged between the clamping block and the sliding seat, and the clamping block is used for fixing the pressing plate; the problem that in the prior art, when a connecting pipe passage of an artery puncture needle is replaced, medical staff need to use forceps to continuously exert force to seal a connecting pipe, and time and labor are wasted is solved.

The utility model relates to the field of medical equipment, in particular to an artery puncture needle which comprises a syringe barrel, a plunger and a puncture needle, the hollow puncture needle is arranged in the plunger, the front end of the syringe barrel is connected with a needle sleeve, and the rear end of the syringe barrel is provided with a sealing device capable of being opened and closed. A branch tube is arranged at the front end of the syringe barrel, a sliding cavity, a sliding rod, a spring and an indicating ring are arranged in the branch tube, and whether puncture succeeds and enters an artery blood vessel can be judged according to whether the indicating ring slides out of the indicating cavity. A side hole is formed in the middle of the puncture needle, so that contrast agent injection and needle point observation are facilitated. The needle point of the puncture needle is bent towards the needle eye to prevent puncture of the opposite-side blood vessel wall. The sealing device adopts a silica gel sealing valve, so that the leakproofness during puncture is ensured, and the subsequent operation is facilitated. A push handle is arranged at the tail of the plunger to facilitate injection of contrast agents. A bolt column is arranged on the outer wall of the syringe barrel, a fixing groove is formed in the outer side of the plunger, the position of the plunger can be fixed according to the contrast agent amount, and puncture and contrast agent injection are facilitated. The artery puncture needle is convenient to use, good in sealing performance, clean and sanitary, whether puncture succeeds or not can be accurately judged, and unnecessary vascular injury is reduced.

The utility model discloses a groin sandbag fixing bag with a multifunctional effect, which relates to the technical field of medical instruments, and comprises a fixing band, a first magic tape is arranged on the fixing band, a second magic tape is arranged on the fixing band, a storage bag is arranged in the fixing band, an opening binding component is arranged in the storage bag, and the opening binding component is arranged in the storage bag. A temperature measuring assembly is arranged on the upper surface of the fixing belt. Through the arrangement of the storage bag, a sandbag, a hot water bag and an ice bag are selected for use according to the condition of a patient, after selected materials are placed in the storage bag, the opening binding assembly is used for binding and limiting the pocket position of the storage bag, and after the fixing band is arranged at the artery puncture compression position of the patient, the fixing band can be used for fixing the patient. The tightness of the fixing band can be adjusted through cooperation of the first hook-and-loop fastener and the second hook-and-loop fastener, the fixing band is attached to the skin, when a hot water bag is selected, the temperature can be displayed through the temperature measuring assembly for hot compress, the fixing band can be used for binding the face and the armpit, and the purpose of multiple functions is achieved.