31 results about "Massive bleeding" patented technology

The invention relates to a calcium-complex starch-based microporous haemostatic material, and a preparation method and application thereof. The preparation method comprises the following steps of: firstly, preparing microporous starch loaded with carboxymethyl; secondly, complexing and assembling calcium ions; and finally, preparing the calcium-complex starch-based microporous haemostatic material, which has the pore diameter of 0.1-5um, the haemostatic time of 20 seconds to 30 minutes and can be completely degraded within 8 hours to 6 days. The cost of raw materials is low; the preparation method is simple; the obtained haemostatic material combines the physical haemostatic function of the microporous starch and the chemical haemostatic function of the carboxymethyl and the calcium ions, so that the haemostatic material is quick in haemostasis, high in efficiency, large in viscosity and good in biocompatibility, can be degraded in a body, and can be used for stopping bleeding of bleeding places such as human epidermis and internal tissues, massive bleeding places or active places of substantial organs in the body, and places where bleeding is difficult to control.

The invention provides a chitosan fiber-based efficient hemostatic material and a preparation method thereof. The preparation method comprises the following steps of spinning chitosan to obtain a chitosan fiber base material, and grafting carboxyl and catechol structures on the chitosan fiber base material at the same time. The hemostatic material can quickly absorb moisture in blood to swell, so that the hemostatic rate is remarkably improved. The carboxyl is introduced, so that the hemostatic material has super-strong imbibition capacity, platelets in blood of a bleeding part are quickly adhered and aggregated to form thrombus, hydroxyl on the catechol group can be complexed with iron ions in red blood cells, the red blood cells are aggregated to play a role in stabilizing blood clots, and finally, the effect of quickly stopping bleeding is achieved. The efficient hemostatic material provided by the invention is especially suitable for the condition of massive bleeding.

The invention discloses a paediatric oral cavity hemostasis device for children's gums after tooth extraction, comprising an L-shaped clamping plate, two sliding grooves are arranged on one side of the lower surface of the horizontal plate of the L-shaped clamping plate, and sliding grooves are provided in the sliding grooves The connected sliding card plate, the horizontal plate side of the L-shaped card plate is provided with an ear plate, and two first electric telescopic rods are arranged between one side of the ear plate and the sliding card plate. The cardboard can fix both sides of the gums after tooth extraction, so as to prevent the gums from bleeding a lot. The hemostatic potion in the liquid tank can be pumped to the water spray head through the micro water pump, and the potion can be sprayed on the wound of the gums through the water spray head to stop the bleeding. , so that the hemostasis effect is better. The pediatric oral cavity is used for the gingival hemostasis device for children after tooth extraction. The structure is simple and the operation is simple.

The invention discloses a rapid hemostatic dressing for obstetrics and gynecology and a preparation method thereof. The rapid hemostatic dressing comprises the following raw materials: human-like collagen, hyaluronic acid, a plasticizer, thrombin, chitosan, heparin sodium, aloin, hydroxymethyl chitin, alginate, an antibacterial agent, an anti-inflammatory agent, starch, sodium carboxymethyl cellulose, polyvinyl alcohol, notoginseng, dextrin and gelatin, the preparation method comprises the following steps: preparation of the raw materials, preparation of an ointment, mixing and foaming; the preparation method is simple, scientific and reasonable, can quickly stop bleeding and inhibit bacteria, and the effect is obvious, the film-like dressing is suitable for rapid hemostasis, antisepsis and anti-inflammationand promoting of wound healing in obstetrics and gynecology, and promotes the function of coagulation of red blood cells; the added collagen can not only play a coagulation effect,but also promote wound healing, can achieve hemostasis in a short time, can be applied to the emergency treatment of acute massive bleeding in obstetrics and gynecology, and has no toxicity and smallside effects to the human body.

The invention relates to the technical field of medical instruments, in particular to a bleeding point detection system. The system comprises a bleeding point detection unit, a control unit, an alarmunit and a power supply unit, the control unit is electrically connected to the bleeding point detection unit, the alarm unit and the power supply unit are both electrically connected to the control unit, and the alarm unit is electrically connected to the power supply unit; and the bleeding point detection unit is used for monitoring the bleeding condition of a puncture position of a patient in real time and generating an electric signal to be uploaded to the control unit when the bleeding of a puncture position is monitored. The system can realize the purpose of monitoring the bleeding condition of the puncture position of the patient in real time, and can timely send an alarm sound to inform medical personnel to timely process the bleeding condition of the puncture position of the patient when the bleeding condition of the puncture position of the patient is monitored, thereby avoiding massive bleeding of the puncture position of the patient, further avoiding massive bleeding of thepatient. The system is firm in wearing, convenient to use, good in practicability and good in antibacterial performance.

The invention discloses a gynecological rapid hemostatic dressing and a preparation method thereof, and belongs to the technical field of medical materials. Compared with the prior art, the inventionprovides a gynecological rapid hemostatic dressing and a preparation method thereof. The operation method is simple, scientific and reasonable, rapid hemostasis and bacteriostasis can be realized; theeffect is obvious; bletilla striata and pseudo-ginseng have the effects of promoting blood circulation and removing blood stasis and have a good curative effect on traumatic bleeding; added collagen,carboxymethyl chitosan, sodium carboxymethyl cellulose, thrombin, heparin sodium and sodium alginate have a wide application range in the prior art; the curative effect of the medicine is improved after preparation; meanwhile, an anti-inflammatory agent is used for assisting the sterilization treatment, the hemostatic effect is further improved; and the hemostatic dressing is free of toxicity inclinical use, small in side effect on a human body, capable of achieving a blood coagulation effect, promoting wound healing and achieving hemostasis within a short time and suitable for emergency treatment of acute massive bleeding in an obstetrics and gynecology department.

The invention relates to an intervention stent capable of preventing massive bleeding, for the department of cardiology. The intervention stent comprises bearing pipe bodies, graphene far end diversion openings and graphene near end diversion openings, wherein each bearing pipe body adopts a net-shaped pipe structure of which the axial section is rectangular; each graphene far end diversion opening and each graphene near end diversion opening both adopt the net-shaped pipe structure of which the axial section is an isosceles trapezoid; and the inflow end of each bearing pipe body communicateswith the corresponding graphene far end diversion opening, and the outflow end of each bearing pipe body communicates with the corresponding graphene near end diversion opening. According to the intervention stent disclosed by the invention, on one side, the intervention stent is low in surface area, good in supporting capacity, good in bearing capacity, good in covering power and good in hydrodynamic performance, so that the blood circulation performance in blood vessels can be effectively improved, and the risk of thrombosis can be effectively reduced; and on the other side, the interventionstent is good in tracing performance, small in end head, impermeable to X-ray, good in biocompatibility and good in blood vessel distensibility, so that convenience and precision of detecting and positioning of the stent after a bypass surgery are greatly improved.

The invention provides a novel medical degradable hemostatic material and a preparation method thereof. According to the preparation method, a dry-heat crosslinking method is adopted to crosslink chitosan and a derivative thereof, and starch and a derivative thereof, a crosslinked sample is made into a microsphere by a method of electrostatic droplet, in the process of preparing the microsphere, asoluble calcium salt solution is used as stationary liquid, calcium ions are complexed on the microsphere, then physical pore-forming is conducted on the microsphere through a method of ultrasound, aporous microsphere sample is dried through supercritical and sprayed mode, the polysaccharide composite hemostatic material prepared by adopting the preparation method has the advantages of both thestarch and the chitosan, the hemostatic ability is high, antibacterial activity is achieved, toxicity and stimulation are avoided, the process is simple, reagent residue is avoided, pollution is avoided, the cost is low, using is convenient, the polysaccharide composite hemostatic material is suitable for fast hemostasis of massive bleeding, irregular parts and viscera, and also can be used as a raw material of anti-adhesion products, hemostasis products and dressing products.

The invention discloses a robot for removing cancer cells, which comprises a main engine and an operating table; the middle of the front face of an operation main engine is fixed with an operating table; above the front face of the main engine is fixed with a display device; above one side of the main engine is fixed with a robotic arm; a support is fixed on one side of the robotic arm away from the main engine; a needle is fixed on one side of the support far from the robotic arm; a cavity body is formed in the inner part of the support; an electric motor is fixed above the middle side of theinner part of the cavity body. According to the robot for removing cancer cells, the tumor is treated in the early stage, thereby placing a dissecting device near the cancer cells inside the blood vessel by interventional means, avoiding the risk of massive bleeding caused by aortic vascular incision, and greatly reducing the risk of surgery; at the same time, through a 3D vision device, it is convenient for medical personnel to determine the location of the cancer cells; through an ion thinner, the cancer cells are stripped into the internal vacuum ion thinner, so that cancer cells die naturally.

The invention discloses a preparation method for a fuming therapy haemorrhoids drug. The drug is prepared from the following raw materials by weight: 3-8 g of radix sophorae flavescentis, 5-8 g of herba taraxaci, 2-5 g of pericarpium granati, 7-10 g of flos lonicerae, 3-6 g of talcum, 2-5 g of raw radixet rhizoma rhei, 5-8 g of cortex phellodendri, 2-8 g of amber, 5-10 g of radix stemonae, 4-8 g of raw radix sanguisorbae, and 1-2 g of borneol. The preparation method comprises the following steps of: drying the raw materials, and then uniformly mixing to obtain a raw material mixture; smashingthe raw material mixture, then sieving by a 80-mesh sieve, and filtering to remove a drug residue to obtain drug powder; and packaging the drug powder into a small bag every 3 g. The drug powder packaged every 3 g, moxa bagged every 20 g and two scorpios are used together. The drug is capable of treating haemorrhoids by using pure traditional Chinese medicines without performing an operation, andis painless, and suitable for internal haemorrhoids and external haemorrhoids, and a situation of massive bleeding of the internal haemorrhoids can be solved through three courses of treatment. The drug has the advantages of novel formula, low cost, simple and convenient preparation, remarkable effect, and less relapse possibility.

The invention discloses a probe structure for a gynecological therapeutic apparatus. The probe structure comprises an ozone therapeutic probe and an ultrasonic therapeutic probe which are respectively connected to a controller. The ozone therapeutic probe is connected to an ozone generator through a flexible aerial fog guide tube. The ultrasonic therapeutic probe comprises a work end, an operating handle and a data line, and the data line is connected with the controller through a joint. The probe structure for the gynecological therapeutic apparatus is capable of permeating deeply and sterilizing instantly, the onset time of the probe structure is much shorter than those of a conventional oral medicines and external-use suppository, while defects that operations are complicated, patients are easy to suffer massive bleeding and drainage, feel pain and the like when in common microwave therapy and laser therapy processes are overcome, and accordingly a safety guarantee is provided for hospital and patients.

The invention discloses a neurosurgery head supporting and positioning device and a positioning method thereof, and belongs to the technical field of medical instruments. A head supporting and positioning device for the neurosurgery department comprises a mounting base and an alcohol box, and the alcohol box is arranged at the bottom of the mounting base; the hollow pillow made of heat conduction metal is attached to the neck of a patient, and alcohol circularly flows in the hollow pillow and the alcohol box, so that the blood flow rate of the neck is reduced, the flow rate of blood entering the brain from the neck is reduced, the bleeding amount of the patient in the treatment process is reduced, and the treatment success rate is increased; alcohol is smeared on the head of a patient, the head of the patient is disinfected, meanwhile, heat of the head of the patient is absorbed through the alcohol, the head of the patient is cooled, the blood flowing speed of the head of the patient is reduced through low temperature, the bleeding amount of the patient in the operation process is further reduced, and the probability of massive bleeding of the patient in the operation process is reduced; therefore, the success rate of surgery is improved.