52 results about "Femoral arterial puncture" patented technology

This invention relates to deployable hemostatic materials comprising chitosan fibers upon which hemostatic microporous polysaccharide microspheres and a medicament or biologically active substance are deposited. The hemostatic materials are suitable for use in controlling active bleeding from artery and vein lacerations, sealing femoral artery punctures, and controlling oozing from tissue.

This invention relates to deployable hemostatic materials comprising chitosan fibers upon which hemostatic microporous polysaccharide microspheres are deposited. The hemostatic materials are suitable for use in controlling active bleeding from artery and vein lacerations, sealing femoral artery punctures, and controlling oozing from tissue.

Wound closure apparatus is provided including a body having an elongated, lowermost force-transmitting surface operable to be placed in a proximal, external, wound-closing position on a patient, together with a force-exerting assembly coupled with the body and operable to exert a downwardly directed force serving to generate wound-closing pressure against the patient's tissue. The force-transmitting surface is preferably three-dimensionally asymmetric so that forces of different magnitude are exerted at different locations along the length of the surface. The apparatus is especially designed for the closure of wounds attendant to endovascular interventions, e.g., a femoral artery puncture wound incident to percutaneous cardiac intervention (PCI), and is capable of quickly effecting wound closure with a time-to-ambulation (TTA) of approximately 60 minutes, and with a very low complication rate.

The invention relates to a method for establishing an artery ischemia model of a brain of a rhesus monkey and an evaluation method. The constructing method adopts the mode of directly puncturing femoral arteries of an experimental monkey to perform the intravascular interventional operation under the direct view of a digital subtraction angiography, and establishes the chronic cerebral infarctionprimate model by using a micro-catheter to block the arteries in the brain of the experimental monkey and controlling ischemia time. The model is a quite reasonable cerebral ischemia-reperfusion animal model, and the pathological characteristics of the monkey cerebral injury model established by the method are similar to clinical manifestation; and moreover, the model is stable and reliable and issuitable for all kinds of curing therapeutic research and related basic research.

The invention discloses a wound compression device for a femoral artery puncture site, and relates to the field of medical care. The wound compression device for the femoral artery puncture site includes a base, a fixed plate is in bolted connection with the upper end of the base, the fixed plate communicates with the base through a limiting tube, a telescopic mechanism is arranged on the fixed plate, the output end of the telescopic mechanism is connected with a telescopic rod, the lower end of the telescopic rod is connected with a compression plate, two ends of the lower part of the base are symmetrically provided with arc-shaped fixed rods, the outer part of each arc-shaped fixed rod is sleeved with an inflatable layer, and the base is provided with an inflatable mechanism for inflating the inflatable layers. In order to solve the problems that artificial wound compression for the femoral artery puncture site is not stable and can not adjust compression pressure in real time, the compression plate and the inflatable layer are arranged, the pressure on the femoral artery puncture site is adjusted in real time by moving the compression plate up and down, the compression pressureis balanced and the stability is high; and the compression effect is effectively improved by assistant compression of the wound from the side through the inflatable layer.

The invention provides a femoral artery puncture postoperative nursing device, belonging to the field of medical auxiliary equipment. According to a technical scheme of the invention, the femoral artery puncture postoperative nursing device is characterizing by comprising a bed body which comprises a bed board, wherein a rectangular opening is arranged at the position, close to the bed tail, of the bed board; a liftable leg clamping mechanism is arranged on the bed body and located below the rectangular opening; and a leg massage mechanism is arranged at one side of the upper part of the leg clamping mechanism. The femoral artery puncture postoperative nursing device provided by the invention has the following beneficial effect: after femoral artery puncture, an operative limb of a patientis forcibly braked, so the possibility of bleeding is reduced.

The invention provides a femoral artery puncture fixator. The femoral artery puncture fixator comprises a fixed part used for being fixed to a thigh and a rotating part used for angle adjustment; therotating part comprises a rotating shaft fixed to the top of the fixed part, a fixed rod which is rotatably fixed to the rotating shaft and a telescopic arc rod fixed to the top of the fixed part; a fixing piece used for fixing a needle tube is arranged on the fixed rod; a fixing hole part is arranged on the tail portion of the fixed rod; a fixing bulge matched with the fixing hole part is arranged on the top of the arc rod. The femoral artery puncture fixator can assist a nurse in femoral artery puncture fixing, the locating angle is precise, puncture operation is fast, and the femoral arterypuncture operation is simplified; meanwhile, whether or not the puncture direction changes can be observed, and not only is labor force in a hospital be reasonably used, but convenience, high efficiency and safety are provided.

The invention discloses an intelligent femoral artery pressure hemostat and relates to the technical field of medical instruments. The intelligent femoral artery pressure hemostat is mainly used for compression hemostasis after a femoral artery puncture and intubation operation. The technical proposal of the invention is to provide a full-automatic, intelligent, and mechanical finger pressing device, which can completely simulate the compression hemostasis movement of human fingers. The technical proposal of the invention comprises four parts: I, a mechanical structure system provides a framework and components for mechanical action ; II, a mechanical power system facilitates movements of lifting, advancing, retreating and locking; III, a monitoring system is used for monitoring a pulse signal of a femoral artery as well as feeding back the pulse signal to a control system and interacting with the control system; and IV, an intelligent control system applies the microcomputer technology, is provided with special softwares which are capable of receiving and processing the pulse signal, as well as analyzing and memorizing the strength of the pulse signal, and is linked with the mechanical power system to realize femoral artery searching and locking, and setting of the pressure size and time to the femoral artery.

The invention discloses a femoral artery puncture point aeration pressing type tourniquet which comprises a waist fixing belt and a groin fixing belt, wherein the waist fixing belt is horizontally arranged and is fixed at the waist of a human body in a surrounding manner; the upper end of the groin fixing belt is connected with the middle of the waist fixing belt; the lower end of the groin fixingbelt extends downwards in an inclined manner; the groin fixing belt is fixed at the root of a thigh on the puncture side of the human body in the surrounding manner; a transparent pressing airbag isarranged corresponding to a femoral artery puncture point of the human body on the groin fixing belt; the transparent pressing airbag comprises a hard plate on an outer side, a net-shaped elastic layer on an inner side, and a transparent airbag wrapped between the hard plate and the net-shaped elastic layer; two ends of the hard plate are respectively connected with the groin fixing belt; the periphery of the net-shaped elastic layer is fixedly connected with the periphery of the hard plate; and a pressure gauge is arranged on one side of the transparent airbag. The femoral artery puncture point aeration pressing type tourniquet has the advantages that a very good hemostatic effect is achieved, convenient and rapid operation can be implemented, and puncture parts can be conveniently observed.

A femoral artery puncture postoperative pressing system comprises a fixing plate arranged above one side of a flat plate for a patient to lie on his or her back and a lifting baseplate arranged belowthe fixing plate through a lifting cylinder. The lifting baseplate is connected with a piston rod of the lifting oil cylinder to adjust an interval between the lifting baseplate and the upper surfaceof the flat plate through extension and contraction of the piston rod of the lifting hydraulic oil cylinder, and a puncture port pressing device is arranged on the lifting baseplate. A pressing head has a semispherical pressing face which can well fit physiological structure at the root of a thigh and synchronously press a puncture point and range around the puncture point, so that pressing effectis improved, and shifting of a pressing position due to body moving can be prevented; by arranging a cold compress assisting mechanism in front of the pressing head, cold air generated after gas passes an ice storage chamber is utilized to cool a cold compress metal belt to enable flowing speed of blood in skin enveloped by the cold compress metal belt under stimulation of the cold air to be lowered, so that pressing time is shortened.

The invention relates to a femoral artery puncture point visual pressure-adjustable compression hemostasis device which comprises a device body and a fixing bandage, and the fixing bandage is arranged on the device body; the structure of an existing femoral artery puncture point visual pressure-adjustable compression hemostasis device is improved, the improved compression hemostasis device can visually observe the health condition of the skin around the penetrating compression position, meanwhile, the compression force of the compression hemostasis device on the puncture point can be conveniently changed through the pressure intensity adjustable effect, and the compression hemostasis effect of the compression hemostasis device on the puncture point is improved. In this way, it can be guaranteed that hemostasis is conducted efficiently, and meanwhile excessive compression on the body can be avoided.

The invention provides a femoral artery puncture assisting device which comprises an injection plate, wherein a positioning hole used for touching femoral pulses is formed in the injection plate and has the diameter of 2-3cm; a plurality of puncture holes through which puncture needles penetrate are formed in the injection plate; the diameter of the plurality of puncture holes is positioned on one side of the positioning hole; and the diameter of each puncture hole is 0.5-1cm. According to the femoral artery puncture assisting device disclosed by the invention, due to the positioning hole and the plurality of puncture holes formed in the injection plate, the femoral artery position can be conveniently positioned, and then the femoral artery is punctured by the puncture holes. The femoral artery puncture assisting device is simple in structure and convenient to puncture.

The present invention discloses a cardiac radiofrequency ablation postoperative positioning compression device. The cardiac radiofrequency ablation postoperative positioning compression device effectively solves problems that a femoral artery puncture point has a poor hemostasis compression effect and thrombus is prone to occurring on a puncture side limb. The cardiac radiofrequency ablation postoperative positioning compression device comprises a bottom plate, a supporting frame is detachably connected to a left side of the bottom plate, a guide block is arranged on the supporting frame, a pressing rod is slidably connected into the guide block, an adjusting screw rod is in a threaded connection with the supporting frame, a pressing plate is arranged on a right side of the pressing rod, apolygonal groove is formed in a left side of the pressing rod, a polygonal sleeve is arranged in the polygonal groove, a sliding sleeve is coaxially arranged in the polygonal sleeve, and a fine adjustment screw rod is in a threaded connection in the sliding sleeve; and an arc-shaped cover plate is hinged to a front end of a right side of the bottom plate, an arc-shaped limiting plate is arrangedon a left side of the arc-shaped cover plate, a plurality of receding grooves are formed in the arc-shaped cover plate, a supporting shaft is arranged on the arc-shaped cover plate and rotationally connected with a plurality of rear massage plates, a rotating shaft is arranged in front of the supporting shaft and provided with a plurality of cams, and the arc-shaped cover plate is hinged with a plurality of front massage plates. The cardiac radiofrequency ablation postoperative positioning compression device has a novel concept and an ingenious structure, is convenient to operate and has highpracticability.

The transplanting method for intrahepatic transplanting pancreatic islet cells through hepatic artery adopting Seldinger technology includes puncturing via femoral artery, inserting conduit to right hepatic artery, radiography confirmation, slow injecting via the conduit separated and purified pig pancreatic islet cells in the amount of (4-8)E6. The said method is favorable to the survival of transplanted pancreatic islet cells, has less wound, and can make pancreatic islet cells perform its physiological function safely and effectively.

The invention discloses a dual-purpose interventional therapy fixing bed plate, and relates to the field of medical apparatus and instruments. The dual-purpose interventional therapy fixing bed plate comprises a plastic plate, a sponge cushion and a bed plate body, wherein the bed plate body wraps waterproof material layers of the sponge cushion and the plastic plate; the bed surface of the bed plate body is divided into a head region, a neck region, a thoracico-abdominal and hip region and a knee joint region which correspond to position regions of various parts of a person when the person lies on the bed plate; fixing rings are arranged on the top of the head region, the two sides of the thoracico-abdominal and hip region and the two sides and the bottom of the knee joint region; and when a patient is fixed and restrained, restraining belts on various parts and the fixing rings are matched to separately restrain the chest or the wrists, the hip, the two knee joints and the double legs of the patient in a parallel or staggered restraining mode. By the dual-purpose interventional therapy fixing bed plate, the circumstance that when a stent or an intra-aortic balloon counterpulsation device is implanted via femoral artery puncture in an intervention room, activity of limbs of the patient affects a whole process of surgery can be avoided, and the problems that in a whole process of carrying the patient to a sickbed of an inpatient ward from an operating table, labor and time are wasted, and moreover, safety cannot be ensured are solved.

The invention relates to the technical field of the interventional department, and discloses a femoral artery paracentesis postoperation hemostasis nursing bed for the interventional department, the hemostasis nursing bed comprises a side plate, a hemostasis adjusting mechanism is arranged in the side plate, the hemostasis adjusting mechanism comprises a moving assembly, the moving assembly is arranged in the side plate, a telescopic compression assembly for compressing the femoral artery puncture position of a patient is arranged outside the moving assembly, a detection alarm assembly for detecting femoral artery bleeding of the patient is arranged in the telescopic compression assembly, and a timing assembly for controlling the compression force of the telescopic compression assembly is arranged in the telescopic compression assembly; and a triggering strip moves to be in contact with a timing button once every three hours, so that the operation of an electric telescopic rod is shortened by one twelfth of the total travel, the effect of assisting medical staff to automatically adjust the wound compression strength according to the compression time can be achieved, and the possibility that the blood circulation of the patient is not smooth due to long-time high-strength pressing is prevented.

The invention provides a compression hemostasis device for femoral artery puncture points and a use method of the compression hemostasis device. The compression hemostasis device comprises a disc, a compression rod, a plurality of support parts, a compression plate, a plurality of support bases, an abdomen fixed belt and a thigh fixed belt; and the compression rod is slidably connected to the middle part of the disc, the tops of the multiple support parts are fixedly connected to the periphery of the disc in an interval mode, the compression plate is installed on the lower part of the compression rod, and the multiplel support bases are hinged to the bottom of the support parts, the abdomen fixed belt and the thigh fixed belt correspondingly sleeve the supporting bases, wherein, a controller is fixedly connected to the disc, a leakage sensor is fixedly connected with the bottom end surface of the compression plate, the leakage sensor is electrically connected with a single-chip microcomputer in the controller, a display screen is fixedly connected with the controller, and the display screen is electrically connected with the single-chip microcomputer in the controller. The compression hemostasis device has the advantages of high stability and convenient fixation, and being beneficial to observe whether bleeding exists at the puncture points.

The invention discloses an injection training simulator in four-limb blood vessels of dogs and cats. The injection training simulator comprises a fixed support frame, a blood pulse simulation controller and a dog and cat four-limb model, wherein the fixed support frame is used for fixing the blood pulse simulation controller; the blood pulse simulation controller is used for simulating the heart and has the function of pumping out simulated blood from a simulated artery; the dog and cat four-limb model is connected with the blood pulse simulation controller; the blood pumped out by the blood pulse simulation controller is input into the dog and cat four-limb model. Through the simulation on the dog and cat four-limb shapes, the blood vessels and the blood flow, students majoring in veterinarians and clinic workers can conveniently perform multi-time repeated practice on operations such as four-limb venipuncture, intravenous injection, venous indwelling needle embedding and femoral artery puncture; different inflation degrees of the clinic four-limb veins are simulated through the blood pumping-out speed; the practical operation difficulty control is improved; the practice clinic validity is improved; the consumption of experiment animals and the puncture injury are reduced; the teaching effect is improved.

The invention provides a compression bandaging device applicable to femoral vein and femoral artery puncture. The compression bandaging device comprises a leg bandage and a waist bandage; the leg bandage includes an upper leg bandage and a lower leg bandage, the left ends of the upper and lower leg bandages are fixedly connected through first elastic bands, the right end of the lower leg bandage is fixedly connected to one end of a fixing band, and a sand bag is arranged in each of the upper and lower leg bandages. In use, the leg bandage is put on a leg of a patient, the upper and lower leg bandages are tightened by attaching a first Velcro hook side of the fixing band to a first Velcro loop side, compression can be achieved by placing the sand bags in sand bag fixing chambers, the compression is applicable to femoral vein and femoral artery catheter removal, and the waist bandage is tightened or released by fixing upper and lower waist bandages to the waist of the patient.

The invention relates to a femoral artery puncture positioning technology of a mark point assisted mixed reality technology. The femoral artery puncture positioning technology includes the steps: (1)placing at least three markers made of imitation bone materials at the thigh of a human body, forming a plane by the markers and marking the placement positions of the markers by coloring; (2) generating two-dimensional images by CT (computerized tomography) scanning; (3) performing a three-dimensional reconstruction technique on the two-dimensional images to obtain a 3D (three-dimensional) model;(4) accurately matching the 3D model with the colored markers on the human body by a mixed reality device; (5) confirming the position, the angle and the depth of a puncture needle; (6) positioning the position of a femoral artery by dyeing after needle insertion. The position of the femoral artery is accurately positioned by the mixed reality technology without repeated scanning and repeated puncture, the shortcoming of blind puncture is thoroughly overcome, the pain of a patient is greatly relieved, and surgical efficiency is improved.