225 results about "Radial artery puncture" patented technology

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 utility model relates to the technical field of postoperative care, in particular to a right radial artery puncture limb lifting device which comprises an installation plate, a cushion and a fixing assembly, the cushion is fixedly connected with the installation plate, the fixing assembly comprises a sliding plate, a sliding block, a lead screw, a first handle, a threaded rod, a second handle, a fixed plate, a movable plate and a side plate, and the lead screw is rotationally connected with the installation plate. The sliding block is in threaded connection with the lead screw, the sliding plate is fixedly connected with the sliding block, the first handle is fixedly connected with the lead screw, the side plate is fixedly connected with the sliding plate, the fixed plate is fixedly connected with the sliding plate, one end of the threaded rod is in threaded connection with the side plate, the movable plate is arranged between the side plate and the fixed plate, and one side of the fixed plate and one side of the movable plate are arranged in an arc shape. Through the arrangement of the structure, the problems that the upper portion is troublesome when the clamping and locking assembly is installed, and the practicability is not high due to the fact that the two arc-shaped clamping plates can only be fixed to a handrail of a proper size are solved.

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.

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.

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 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.

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 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.

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 utility model discloses a far-end radial artery compression hemostat, and relates to the technical field of medical instruments, a connecting wrist strap is mounted on a mounting element, the connecting wrist strap is used for sleeving a hand of a patient and fixing the mounting element on the palm of the patient, and a force applying element is mounted on the end surface, far away from the connecting wrist strap, of the mounting element and is used for applying force to the mounting element. The upper end of the force transmission element is installed in the force application element, the lower end of the force transmission element penetrates through the installation element and is connected with the contact element, the contact element is used for making contact with and pressing a puncture point of the palm of a patient, and the outer wall of the force application element is transparent and provided with scale marks used for observing the position of the contact element. When force is applied to the force application element, the force transmission element and the contact element can be driven to move in the direction close to or away from the force application element, and the pressure of the contact element on the puncture point is adjusted. The radial artery compression hemostat can achieve compression hemostasis on a far-end radial artery puncture point, observation is facilitated, and the pressure value can be visually checked.

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 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.

The utility model relates to a compressor for a far-end radial artery puncture point, which comprises a fixed base, an elastic fixing band, a finger binding band and a pressurizing component, and is characterized in that the middle positions of the two ends of the fixed base respectively extend outwards to form fixing lugs; correspondingly, long holes are formed in the fixing lugs at the two ends in a penetrating mode; an elastic fixing belt and a finger binding belt are arranged in the long holes of the fixing lugs in a sleeved mode respectively. A threaded hole is formed in the middle of the fixed base, and a pressurizing assembly is further in threaded connection with the interior of the threaded hole. The compression hemostasis device has the advantages that the shape of a human hand can be combined according to a puncture part, the spiral rod can be rotated and twisted through matching of the elastic fixing band and the finger binding band, pressure is applied to the rubber compression block to compress a puncture point, and the ideal compression hemostasis effect is achieved; the problems that the wound position cannot be accurately pressed due to traditional bandage bundling hemostasis, the patient feels uncomfortable due to the large hand pressing area of the patient are solved, operation is easy and convenient, and the hemostasis condition can be conveniently observed in real time.

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 embodiment of the utility model provides a radial artery radiography limb bearing support. The radial artery radiography limb bearing support comprises a fixing piece, a swinging piece and a supporting piece. The fixing piece is detachably arranged on the left side of the sickbed; the swinging part can be connected to the fixing part in a manner of moving towards the right side of the sickbed along an arc-shaped track in the width direction of the sickbed; the supporting piece is connected with the swing piece so as to be driven by the swing piece to approach the right side of the sickbed. By means of the arrangement, the left arm of the patient is driven by the supporting piece to get close to the right side of the sickbed along the spherical arc-shaped track, so that the left arm of the patient can be in a comfortable state when getting close to the right side of the sickbed, and meanwhile the left arm is in the posture that medical staff can smoothly conduct radial artery puncture.

This invention discloses a hemostatic auxiliary compression device for use in cardiology nursing, relating to the field of medical hemostatic devices. The hemostatic auxiliary compression device for use in cardiology nursing includes a fixed base and further includes: an adjustment component mounted on the fixed base; and a compression component mounted at the bottom of the fixed base. Through the adjustment component, the compression component can compress the patient's radial artery to achieve hemostasis. The compression component includes a device housing, a compression plate, and compression airbags. The device housing has a bottom opening and is mounted at the bottom of the fixed base. The compression plate is slidably connected inside the device housing, and multiple sets of compression airbags are mounted at the bottom of the compression plate. This invention achieves hemostasis after radial artery puncture while relieving local muscle tension and discomfort in the patient through a dynamic airbag adjustment mode, ensuring the stability of the hemostatic effect and significantly improving patient comfort.

The compression hemostasis bracelet is characterized in that the compression hemostasis bracelet comprises a first belt body, a second belt body and a hemostasis compression part, the first belt body and the second belt body are in butt joint to form the bracelet, and compression hemostasis is conducted on a radial artery puncture position through the hemostasis compression part. A plurality of long-strip-shaped grooves are longitudinally formed in the inner side surfaces of the first belt body and the second belt body, the hemostasis compression part comprises a fixing body, an adjusting bolt is installed on the fixing body, a knob bolt drives a compression plate to abut against the puncture position, and a replaceable soft cushion is installed on the compression plate. The longitudinal long-strip-shaped grooves are formed in the first band body and the second band body, when the wrist is squeezed by the bracelet, the longitudinal long-strip-shaped grooves are beneficial to blood flowing, the blood flowing speed of the hand can be reduced, and then the skin temperature is prevented from being reduced; the replaceable soft cushion is adopted to solve the infection problem, after a patient uses the compressor, the used soft cushion is taken down, a new soft cushion is installed when the compressor is used again, and therefore the requirement for hospital infection risk control is met.

The utility model provides a restraint glove for protecting a radial artery puncture part, which comprises a hand protective sleeve and an arm restraint cylinder, a first fixing ring is arranged at an opening of the hand protective sleeve along the edge of the opening, and a second fixing ring is arranged at an opening at one end of the arm restraint cylinder along the edge of the opening. The first fixing ring and the second fixing ring are connected with each other through more than one connecting piece, and a gap is formed between the first fixing ring and the second fixing ring. The utility model solves the technical problems in the prior art that the puncture position of the radial artery is difficult to observe, the blood vessel of the hand of a patient is unsmooth and the fingers of the patient are cold because the radial artery indwelling catheter and the restraint glove are scratched.

The invention discloses a hepatic artery radiofrequency ablation method and ablation catheter. The ablation method comprises the steps that a target puncture point is positioned, and a radial artery puncture channel and an interventional ablation environment are established; guiding an ablation catheter to enter a target treatment point corresponding to the target artery branch; adjusting the end shape of the ablation section tube; the ablation catheter comprises an ablation section, a conveying section, a connecting section and a signal section. The catheter is inserted through a vascular intracavity path, penetrates into the hepatic artery or a near-end branch of the hepatic artery, targets autonomic nerves around the hepatic artery to carry out temperature control type radiofrequency ablation, and has the advantages of accurate positioning, safe control, uniformity of energy release and tissue adaptability; by adjusting the fitting posture of the spiral structure of the ablation section and adapting to the characteristic parameters such as the curvature direction, the tortuosity and the opening angle of the hepatic artery, it is ensured that the metal electrode can be effectively fitted with the tube wall to transmit radio frequency energy, meanwhile, the punching rate is reduced, liver parenchyma puncture injury is avoided, and meanwhile systemic intervention such as blood pressure regulation and metabolic function regulation is achieved.

The utility model discloses a radial artery puncture indwelling catheter auxiliary device which comprises a base, a containing groove is formed in the top end of the base, a finger placing plate is rotationally connected to the inner wall of the containing groove, a first fixing ring is fixedly connected to the top end of the finger placing plate, and a first connecting rope is fixedly connected to the left side of the finger placing plate. And the right side of the finger placing plate is fixedly connected with a second connecting rope. According to the radial artery puncture catheterization auxiliary device disclosed by the utility model, fingers of a patient can be fixed by arranging the first fixing ring; a finger placing plate, a connecting rope, a piston and an inflator pump are arranged and matched with fist-clenching and fist-loosening actions of the hand of a patient, so that a telescopic pipe can stretch out and draw back to drive a pressing plate to firmly abut against or be away from the ulnar artery and the radial artery of the patient, and therefore the device has the function of conducting an improved Allen test for examining the collateral circulation condition of the patient before puncture; and after blood sampling is completed, the puncture part of a patient can be effectively stopped from bleeding.

The invention discloses a timing alarm and timing deflation alarm device for monitoring finger movement through upper limb braking after coronary intervention, and relates to the technical field of medical auxiliary instruments, the timing alarm and timing deflation alarm device comprises a supporting seat, an adjusting part, a pinching part and an alarm part, one side of the supporting seat is fixedly connected with the adjusting part, the pinching part is downwards arranged on the upper side of the supporting seat of the adjusting part, and the alarm part is fixedly connected with the adjusting part. The adjusting part is provided with an alarm part in the upper side direction of the supporting seat, the pinching part is matched with the alarm part, and the alarm part comprises a delay feedback mechanism; and an alarm is given when the patient does not perform the grasping action as required, so that the patient is promoted to complete the grasping action, and thrombus after radial artery paracentesis is avoided.

The utility model discloses a dressing bag for radial artery puncture interventional operation, and effectively solves the problems that a radial artery puncture sheet is tedious to prepare and waste liquid is inconvenient to collect. Comprising a body, transparent blocking cloth is arranged at the left end of the body, an oversleeve located on the right side of the transparent blocking cloth is detachably connected to the body, a vertically-through penetrating groove is formed in the upper side of the rear end of the oversleeve, a vertically-through puncture hole located in front of the oversleeve is formed in the body, and a marking sticker located on the right side of the oversleeve is arranged on the body. A rectangular groove located on the right side of the puncture hole is formed in the body, the rectangular groove is vertically through, a waste liquid bag located in front of the rectangular groove is arranged on the body, a rectangular transparent film is arranged at the lower right corner of the body, and a collecting bag is connected to the lower side of the right end of the body through a connecting rope; the device is simple in structure, convenient to operate, novel in conception and high in practicability.

This utility model provides a mobile radial artery puncture and catheter placement fixation frame, including a support plate, a connecting rod, a palm fixation strap, an inflatable wrist support module, a rotation adjustment module, a fixing rod, and a positioning bolt. The connecting rod is located at the bottom of the support plate along its length. The middle part of the palm fixation strap is movably and adjustablely fitted onto the connecting rod, and both ends of the palm fixation strap extend out from both sides of the support plate. The two ends of the palm fixation strap are fixedly connected together in an adjustable position, and the palm fixation strap is used to fix the patient's palm. The inflatable wrist support module is movably and adjustablely located on the support plate, and the inflatable wrist support module is used to elevate the patient's wrist. The rotation adjustment module is located at the bottom of the support plate and is used to adjust the angle of the support plate. The fixing rod is connected to the rotation adjustment module and is located below the support plate. The fixing rod has a limiting groove for the movable infusion rod to be inserted. The positioning bolt passes through the fixing rod and can extend into the limiting groove.

The utility model discloses a wrist pad for radial artery puncture, relates to the field of surgical wrist pads, solves the problem that an existing device is difficult to support and limit the wrist of a patient according to requirements, and adopts the following scheme that the wrist pad comprises two groups of side seats and a wrist pad between the side seats, the main body of each side seat is a side plate, a top block is fixedly arranged at the top of each side plate, and the wrist pad is arranged on the side plate. A base is fixedly mounted at the bottom of the side plate, and a top block is an arc-shaped block which is bent inwards; a base is fixedly installed at the bottom of the side plate and is a table-shaped block expanding downwards, and a rectangular arc edge is fixedly installed on the bottom side of the base. According to the wrist pad for porcelain arteriopuncture, through the arrangement of the wrist pad between the two sets of side seats, a wrist can be supported from the bottom side through a cotton towel wound on the wrist pad, meanwhile, the wrist pad can be supported and limited through the two sides of the wrist through the arrangement of a top block and a top sleeve on the top side, and the situation that the wrist shakes is avoided; meanwhile, the cotton towel can be conveniently replaced and cleaned in time.