17 results about "Vascular compression" patented technology

The utility model discloses a detachable blood vessel closer, which relates to the technical field of medical instruments and comprises a mounting plate and a mounting component, a quick mounting groove is formed in the middle of the mounting plate, and the mounting component which is used for quick mounting and convenient to detach is arranged in the quick mounting groove. The mounting assembly comprises a side mounting groove, a quick mounting block, an internal thread barrel, a hemostasis plate and a mounting cap, the quick mounting block is mounted in the side mounting groove in a clamped mode, the side edge of the quick mounting block is connected with the internal thread barrel, the hemostasis plate is mounted in the internal thread barrel, the mounting cap is arranged at the top of the hemostasis plate, and a limiting rod is mounted at the end of the interior of the side mounting groove. According to the detachable blood vessel closer, the quick mounting groove is used for quick mounting of the mounting assembly for blood vessel compression hemostasis, the quick mounting block is slidably mounted into the side mounting groove, operation is easy and convenient, the internal thread barrel is used for mounting the hemostasis plate, the position of the hemostasis plate in the internal thread barrel can be adjusted through rotation of the hemostasis plate, the compression hemostasis strength is adjusted, and the hemostasis effect is improved. The operation is simple.

The utility model discloses a blood vessel compression hemostasis device, belongs to the technical field of medical supplies, and is used for solving the technical problems that a common binding tourniquet is not easy to master the compression force on a blood vessel after binding and the binding hemostasis efficiency is low. The utility model discloses a blood vessel compression hemostasis device which comprises a hemostasis patch and a compression belt. The compression belt comprises an elastic section, a scale and a fastener; the scale comprises a second fixed end and a marking part; the first fixed end and the second fixed end of the elastic section are fixedly connected; the ruler is arranged in the elastic stretching direction of the elastic section, the distance between the second fixing end and the marking part is larger than the length of the elastic section, and the marking part is used for marking the stretching position of the elastic section. The fastener is located at the end of the compression belt and can fix the stretching length of the elastic section, so that the compression belt conducts compression hemostasis on the blood vessel through the hemostasis patch. The blood vessel compression hemostasis device is convenient to operate, and the hemostasis effect is improved.

This invention relates to the field of simulation training equipment technology, and discloses a whole-body vascular interventional simulation model and a blood circulation control system, including an integrated base in which a simulated blood vessel is disposed; and a blood circulation component, which includes a reservoir and a drive pump. The reservoir is connected to the inlet end of the simulated blood vessel through the drive pump. This invention solves the technical problems of existing vascular interventional simulation models being unable to simulate vascular compression scenarios and having insufficient linkage between blood circulation and compression states by coordinating the simulated blood vessel with blood circulation, compression, and air circuit components, combined with the overall coordinated control of the control unit. It can also realize multi-position vascular compression simulation, accurately reproduce clinical scenarios such as vascular stenosis and compression hemostasis. The overall structure is simple and highly realistic, effectively improving the completeness and pertinence of interventional training, and providing physicians with a training environment close to clinical reality.

This invention provides a method, apparatus, electronic device, medium, and product for detecting biosignal data, relating to the field of signal detection technology. The method includes: acquiring reflected signals obtained from preliminary tactile perception of a target user by a photoplethysmography (PPG) sensor; determining the skin contact state between the PPG sensor and the target user based on the reflected signals; determining the signal quality characteristics of the PPG sensor for intensity signal detection of the target user based on the skin contact state; and detecting the target user's biosignal data when the PPG sensor is aligned with the target user's blood vessels and the degree of vascular compression is normal, based on the signal quality characteristics. The technical solution of this invention, based on a combination of tactilely perceived reflected signals and signal quality characteristics, adaptively adjusts the sensor pose, improving the accuracy of biosignal data detection.

This utility model relates to the field of medical device technology, specifically a longitudinally designed, easy-to-use, press-on hemostatic patch, comprising a waterproof patch, release paper positioned opposite the waterproof patch, and a sponge pad positioned between the waterproof patch and the release paper; the sponge pad includes a circular skin compression portion, and a vascular compression portion extending radially outward from one side of the circular skin compression portion; after the waterproof patch is applied, the skin compression portion compresses the needle puncture site on the skin, and the vascular compression portion compresses the needle puncture site on the blood vessel, freeing the hands of the patient or medical staff, making it convenient to use; this utility model not only avoids the safety hazards of continuous bleeding and bruising from needle puncture sites due to insufficient or short-duration pressure, but also frees the hands of the patient or medical staff, allowing for continuous pressure on the needle puncture site, making it more convenient to use.

This invention discloses a finger systolic blood pressure measuring device and method. The device uses a finger sleeve to stably receive liquid pressure from a liquid delivery module, precisely compressing the finger's blood vessels. A strain gauge at the distal end sensitively captures blood flow recovery pulsation data, providing a reliable basis for systolic blood pressure calculation. A temperature control module maintains a suitable liquid temperature, reducing the impact of temperature on measurement results and improving measurement accuracy and stability. This ensures consistent performance under different ambient temperatures, enhancing applicability and reliability. The liquid delivery module automatically adjusts the water pressure, precisely controlling blood vessel compression and relaxation, simplifying manual operation and improving measurement efficiency and accuracy. A data processing module automatically collects and processes data, quickly calculating systolic blood pressure, reducing human error and increasing measurement speed.

Various devices and methods are described that can be used to provide vascular compression to a patient undergoing chemotherapy treatment. Some devices include a helmet having an inflatable bladder, a mask coupled to the helmet, and one or more facial unit blocks within the mask. In addition, a structure capable of providing a vascular compression reaction force to increase the comfort of a patient receiving vascular compression treatment while undergoing a chemotherapy treatment regimen may also be present. During use, the patient may perform one or more of changing the pressure of the inflatable bladder, adjusting one or more straps connected to the mask, or changing the position or characteristic of the one or more facial unit blocks.

The invention provides a transfemoral artery puncture intervention postoperative blood vessel compression device, and belongs to the field of medical instruments, the transfemoral artery puncture intervention postoperative blood vessel compression device comprises a fixing assembly and a telescopic assembly mounted on the fixing assembly, and further comprises a control display part mounted on the telescopic assembly; and the pressure head is mounted on the telescopic assembly. The pressure sensor mounted in the pressure head is used for measuring the pressure in real time, a signal is transmitted to the control display part, the device can automatically adjust the applied pressure according to the pressure measured in real time through control, it is ensured that the pressure is always within a safe and effective range, and the working efficiency is improved. The first telescopic rod achieves precise movement of the pressure head in the vertical direction through the stepping motor and the lead screw, the movement of the pressure head is more precise due to the high-precision control characteristic of the stepping motor, adjustment of micro pressure can be achieved, and the precision of pressure control is further improved.

The present invention provides a catheter (10) for relieving pressure between blood vessels by introducing packing material into the intravascular space to form a bridge connecting the blood vessels for pressure relief. The catheter is provided with: a shaft (14); expandable elements (16, 18) supported by the shaft for temporary pressure relief in the blood vessels; and a retractable needle (30) located between the expandable elements. When deployed, such as by using an actuator (40), the needle can deliver packing material into the intervascular space to form a bridge between the blood vessels for pressure relief after catheter removal.

The present application relates to the field of medical devices for inguinal artery puncture, in particular to a positioning device, a blood vessel compressor and a blood vessel compression system. The positioning device comprises a bottom positioning plate and at least one movable positioning plate; the movable positioning plate is arranged on the bottom positioning plate through a rotating shaft, and the movable positioning plate and the bottom positioning plate are arranged face to face; the bottom positioning plate is provided with a bottom positioning groove for positioning the blood vessel compressor; and the movable positioning plate is provided with a movable positioning groove for positioning an ultrasonic probe. By fixing the bottom positioning plate relative to the body surface of a patient and separating the movable positioning plate relative to the bottom positioning plate, the blood vessel compressor or the hemostasis fixing device can be clamped into the bottom positioning groove, so as to position the blood vessel compressor or the hemostasis fixing device relative to the body surface of the patient or the puncture part of the inguinal artery.

The utility model provides a blood vessel pressurizing device, which relates to the field of medical instruments and comprises a plurality of pressurizing strips and end tightening components respectively arranged at two ends of the pressurizing strips in the length direction. The plurality of pressurizing strips are arranged in parallel in pairs at intervals to form a pressurizing main body; the two ends of the pressurizing body in the axial direction are connected with end pressing blocks respectively, and the end pressing blocks are provided with internal channels. The end tightening assembly comprises a tightening strip and a compression spring. The tightening strip is in a chain shape formed by connecting multiple conical units in series in the same direction. At any end in the axial direction of the pressurizing body, the first end of the tightening strip is fixedly connected to one end pressing block, and the second end of the tightening strip sequentially penetrates through the internal channels of the other end pressing blocks; a compression spring is arranged outside the part, between any two adjacent end pressing blocks, of the tightening strip in a sleeving manner; and an elastic locking structure is also arranged in an internal channel of the end part pressing block which is at least fixedly connected with the tightening strip. The aorta pressurizing device is used for pressurizing the outer wall of the aorta and enhancing the strength of aorta blood vessels.

The invention belongs to the technical field of compression hemostasis, and particularly relates to a multifunctional blood vessel compression hemostasis device which comprises a supporting plate, a groove for fixedly installing an extrusion cylinder is formed in the middle of the supporting plate, hole grooves for inserting pressurization mechanisms are formed in the two sides of the upper surface of the extrusion cylinder, a compression mechanism is inserted into the extrusion cylinder, and the compression mechanism is connected with the extrusion cylinder. A penetrating groove is formed in one side of the supporting plate, and a contraction mechanism penetrates through the penetrating groove; according to the structure, the compression mechanism and the opening and closing mechanism are matched, when blood vessel compression hemostasis is achieved, the opening and closing degree of airflow in a conveying air pipe in the compression mechanism can be controlled through the opening and closing mechanism, the hardness degree of an air bag can be conveniently controlled, and therefore accurate control over the compression strength is achieved, and hemostasis can be effectively achieved; the multiple air bag sections are designed for the sectional type air bag, pressure can be applied to different positions at the same time, a wider area is covered, multiple blood vessels or complex bleeding spots are effectively blocked, and the hemostasis effect is improved.

The application provides a kind of adjustable blood vessel pressurizing device, it is related to blood vessel pressurizing field, including positioning support seat, positioning bandage, positioning collar, elastic air bag, position indicating ring and pressure sensor;Positioning bandage is set in the inner side top of positioning support seat;Positioning collar is sleeved in the outer side of positioning bandage;Elastic air bag is bonded in the lower end surface of positioning collar, and the front of elastic air bag is connected with inflation balloon through trachea, and the right side of elastic air bag is provided with a deflation valve;Position indicating ring is bonded in the upper end surface of positioning collar;Pressure sensor is provided with multiple, multiple pressure sensors are evenly distributed and bonded in the lower end surface of elastic air bag.The application is convenient for medical staff to observe the relative position of puncture port and elastic air bag by position indicating ring and the position observation port of positioning bandage, can real-time sense the change of compression pressure, solves the problem that medical staff is prone to cause air bag position to appear deviation or pressure setting is too high due to lack of experience.

The utility model provides a blood vessel compression device which comprises a column body, a protruding strip and a puncture line, the protruding strip is arranged on the side wall of the column body, a groove is formed in the side wall of the column body, the protruding strip is opposite to the groove in position, one end of the puncture line is movably connected into the column body, the other end of the puncture line penetrates out of the column body and is connected with a puncture needle, and the column body is provided with a line pulling mechanism. A fixing area is arranged at one end of the cylinder away from the puncture line. The movable puncture line is arranged, the fixing area is arranged on the column body of the device, the puncture line can be fixed after puncture is completed below the blood vessel, the puncture line is tensioned and fixed through the line pulling mechanism, the accuracy and stability of the pressing position are guaranteed, the blood vessel is pressed through the protruding strips, and only the column body needs to be rotated when the myocardial blood vessel of a rat is blocked and recovered. The groove corresponds to the position of a blood vessel, so that a muscle and blood vessel recovery space can be formed, the blood vessel is recovered, repeated blocking and recovering are completed by rotating the column body, operation is easy, repeated puncture and repeated fixation are not needed, and damage to myocardium and the blood vessel is greatly relieved.

The invention relates to the technical field of hemostat control, and provides a hemostat control method and system adaptive to a compression area and a hemostat, and the method comprises the steps: obtaining pressure data of two hemostats during compression at a wound, recognizing a hemostat air bag corresponding to the position of the wound, and then sending a compression instruction, the inflating state of the air bag of the hemostat is adjusted, only the air bag associated with wound hemostasis is inflated and compressed, other air bags are deflated, wound blood vessels can be stopped accurately and intelligently without manual control, compression on intact blood vessels is avoided on the premise that the hemostasis effect of the hemostat is guaranteed, and the hemostasis efficiency is improved. Nerve injury and muscle avascular necrosis caused by hemostasis are avoided, and the risk of secondary injury to a patient is reduced.

The invention belongs to the technical field of medical instruments, and discloses a bone distraction instrument for early and middle stage femoral head necrosis treatment in order to overcome the defects that an existing instrument is high in blood vessel compression risk and single in adjustment, and the bone distraction instrument comprises a limiting hoop movably arranged on the femoral neck in a sleeving mode, a traction mechanism connected with the limiting hoop through a traction rope and an angle adjusting mechanism installed on the traction mechanism. An anchoring mechanism and an anti-infection sleeve are further arranged. The blood vessel avoiding pad of the limiting hoop can avoid blood vessels, the traction mechanism and the angle adjusting mechanism achieve bidirectional precise regulation and control of traction force and angle, the anchoring mechanism expands, fixes and improves stability, the traction rope and the positioning sleeve are made of degradable materials, and the anti-infection sleeve prevents interface infection through slow-release medicine. The device is minimally invasive and low in injury, adapts to individualized treatment, can protect blood supply of the femoral head, avoids secondary operation, improves treatment safety and effectiveness, and adapts to complex cases.

Various devices and methods useful for providing vascular compression to patients undergoing chemotherapy are described. Some devices include a helmet with an inflatable bladder, a facepiece attached to the helmet, and one or more face tiles positioned inside the facepiece. In addition, structures capable of providing vascular compression reaction force may be present to increase the comfort of patients undergoing chemotherapy protocols while receiving vascular compression therapy. During use, the patient may perform one or more of the following: change the pressure of the inflatable bladder, adjust one or more straps attached to the facepiece, or change the position or characteristics of one or more face tiles.