28 results about "Puncture Wound" patented technology

The invention belongs to the technical field of drug carriers, and particularly relates to a magnetic nano-drug carrier which is prepared by the following steps: selecting traditional Chinese medicine raw materials and auxiliary raw materials, and selecting corresponding equipment for treating the raw materials; traditional Chinese medicine raw materials are pretreated, effective components are extracted through ultrasonic and reflux combination, and finally an extracting solution is purified and concentrated; preparing through a coprecipitation method; the flexible traditional Chinese medicine dressing is prepared by taking anti-inflammatory, analgesic, blood-activating and blood-stasis-removing active ingredients of 19 traditional Chinese medicines as cores and combining with the local magnetic response enrichment characteristic of the magnetic nano-carrier, the flexible traditional Chinese medicine dressing is attached to a pressurized silica gel pad of a PCI postoperative wrist strap for use, local directional enrichment of the active ingredients of the traditional Chinese medicines in a wound is promoted through the magnetic carrier, and the wound healing effect is improved. The pressurizing silica gel pad has the synergistic effects of resisting inflammation, easing pain, improving microcirculation and dredging collaterals and restoring the pulse, solves clinical pain points such as inflammation edema, obvious pain and unsmooth local blood supply of a wrist puncture wound after the PCI operation, and meets the requirements of flexibility, ventilation and fitting of the pressurizing silica gel pad at the same time.

The invention relates to the technical field of microwave ablation, in particular to a built-in wireless temperature measuring device based on a microwave ablation composite cable and a use method thereof, and the method comprises the following steps: S1, importing a preoperative medical image of a patient into a host system, and marking a tumor volume and a target ablation volume; s2, inserting a microwave ablation needle with a plurality of wireless temperature sensing nodes arranged along the axial direction into a target tissue, and enabling the sensor nodes to cover a tumor area; s3, starting microwave ablation and recording microwave power and a temperature measurement value {yi (t)} of each node in real time; according to the method, micro wireless temperature nodes with dense front ends and sparse rear ends are arranged in an ablation cable, anti-interference multi-access wireless communication is adopted, a prediction model based on simplified Pennes equation + normalized SAR template and assisted by online data assimilation, and closed-loop power control with a safety priority principle as a core are adopted, so that the ablation accuracy is improved; the thermal field space sampling density is remarkably improved while extra puncture wounds are reduced.

The utility model relates to the technical field of pneumothorax puncture, and discloses a button type pneumothorax puncture needle sleeve which comprises a fixing device and a water seal bottle, the fixing device is in a button type, a butterfly-shaped paster is arranged below the fixing device, a puncture hole is formed in the middle of the fixing device, a puncture needle is arranged in the puncture hole in a penetrating mode, and the water seal bottle is connected with the fixing device. The top of the puncture needle is in a bamboo joint shape, the tail of the puncture needle is communicated with the water-sealed bottle through a drainage tube, a bottle plug is arranged on a bottle opening of the water-sealed bottle in a clamped mode, and the end, close to the water-sealed bottle, of the drainage tube penetrates through the bottle plug to be arranged in the water-sealed bottle in a penetrating mode. By means of the butterfly-shaped paste, a punctured wound can be protected in time, tension is generated by tightening the butterfly-shaped paste outwards, the skin is tensioned, and growth of the wound is facilitated; the top of the puncture needle is in a bamboo joint shape, the bamboo joint of the puncture needle can be broken according to the body shape of a patient, and the puncture length of the puncture needle can be adjusted.

This invention relates to the field of hemostasis devices, specifically to a compression hemostasis device for blood purification. It includes an arc-shaped fixing base, a compression component, a restraint mechanism, an adjustment mechanism, and a timed linkage mechanism. The arc-shaped fixing base has a compression window corresponding to the puncture wound in its center. The compression component includes a compression head, an elastic pressure element, and a pressure transmitting plate. The restraint mechanism includes a main restraint band and an auxiliary restraint band, both with Velcro straps at their ends away from the arc-shaped fixing base. The adjustment mechanism is perpendicular to and coaxial with the compression window, with its lower end penetrating the arc-shaped fixing base and connected to the pressure transmitting plate. The timed linkage mechanism is signal-connected to a controller, which automatically drives the adjustment mechanism to adjust the compression force according to a preset release time. This invention achieves safe hemostasis of the puncture wound, improving the safety and convenience of blood purification treatment.

The utility model discloses a kind of thyroid gland strippers for endoscopic thyroid surgery, comprising: clamp part, main grip lever, first corner lever, second corner lever, open-close lever, first connecting rod, second connecting rod;Device allows doctor one-handed operation, through the collaborative work of thumb, index finger and middle finger, realize the accurate opening and closing of clamp part and the flexible adjustment of clamp part angle.Can improve the accuracy of operation and the convenience of operation, because operation is more intuitive and natural, also can reduce the fatigue feeling of doctor in surgical process, secondly, the volume design of the device considers the needs of minimally invasive surgery, avoids bringing greater puncture wound to patient, which helps to reduce postoperative complications and accelerate the recovery process.In addition, through the design of optimized connecting rod system and corner lever, the device can provide stable holding and flexible operation, so that it becomes easier and safer to perform stripping operation inside narrow cavity.

This invention relates to the field of in vitro diagnostic testing equipment technology, and discloses a symmetrical multi-arm tumor antibody test strip device with negative pressure aspiration. The device includes a sealed shell, a press-triggered component, a mechanical limiting mechanism, a concealed blood collection component, a negative pressure aspiration system, radial multi-arm detection modules, and a flexible sealing pad. The device employs a concealed blood collection design, with the needle automatically retracting after blood collection, eliminating the risk of puncture wounds and contamination. Combined with a linked negative pressure aspiration structure, it achieves instantaneous automatic aspiration after blood collection, eliminating the need for manual squeezing. The multi-arm detection modules are symmetrically distributed circumferentially, with uniform internal flow channels, enabling synchronous and equal sample distribution and ensuring accurate and parallel test results. The flexible sealing element conforms to the fingertip to form a sealed structure, preventing leakage and improving aspiration efficiency. A multi-level limiting mechanism stabilizes the device body, making it suitable for operation by the elderly, children, and other groups. This device is easy to operate, highly safe, and provides accurate detection. It is suitable for rapid home-based tumor antibody screening and on-site testing at grassroots levels, with high intelligent adaptability and easy result interpretation.

The embodiment of the utility model provides an ablation catheter and ablation equipment, and belongs to the technical field of ablation. The ablation catheter comprises a catheter body, supporting parts capable of shrinking in the radial direction and an effect device, the ends, close to the catheter body, of the supporting parts gather together to form the near ends of the supporting parts, and the far ends of the supporting parts are open; the effect device is arranged at the far end of the supporting component; wherein the catheter comprises an inner tube and an outer tube, the near end of the supporting component is connected with the far end of the inner tube, and the outer tube is movably arranged on the inner tube in a sleeving mode in the axial direction of the inner tube; when the supporting part is located in the outer pipe, the outer pipe provides circumferential constraining force to keep the supporting part in the contraction state, and after the supporting part extends out of the outer pipe, the supporting part resets to the expansion state from the contraction state after losing the constraining force of the outer pipe. The ablation catheter can reduce the contraction size of the far end of the catheter, so that the puncture wound of a patient is reduced, and the risk of complications is reduced.

An emergency protocol receptacle is disclosed for puncture wounds that utilizes an endothermic reaction between non-toxic chemicals to achieve inflation for effective and faster coagulation of blood in puncture type wounds. The emergency protocol receptacle comprises a balloon, a powder capsule, and a depressible top cap. The balloon is configured to inflate due to the endothermic reaction between non-toxic chemicals to stop bleeding from a puncture wound. The powder capsule is packed inside the balloon for holding a specific amount of baking soda. The depressible top cap is fixed on top of the powder capsule for holding a specific amount of vinegar. The depressible top cap facilitates flow of the vinegar into the powder capsule when depressed, causing a mixture of the vinegar with the baking soda to initiate inflation of the balloon due to chemical reaction between the vinegar and the baking soda.

This invention provides a pressure device for post-thyroid ablation surgery, belonging to the field of medical device technology. The pressure device includes a pressure mechanism, which includes a mounting frame. A lifting block is mounted on the mounting frame via a lifting assembly. The lifting assembly adjusts the height of the lifting block within the mounting frame. A spiral self-locking rod is threaded onto the lifting block, and a pressure pad is rotatably mounted at the bottom end of the spiral self-locking rod. The pressure pad conforms to the post-thyroid ablation wound and applies stable pressure. An elastic airbag adapts to the neck contour through deformation. The micro-telescopic component on the contact pad is adjustable in position, allowing for precise pressure application to each puncture point in multi-point puncture procedures. This achieves adjustable pressure height, stable pressure maintenance, and precise adaptation to multi-point puncture wounds, meeting the basic pressure needs of different patients.

The invention discloses an endoscope lens cleaning device, a puncture outfit comprising the endoscope lens cleaning device and a puncture method, and relates to the technical field of puncture outfit. The endoscope lens cleaning device comprises a sleeve, an auxiliary cavity is formed in the sleeve, a transmission rod is rotationally connected into the auxiliary cavity, and a swing device is connected to the upper end of the transmission rod; a notch is formed in one side of the circular truncated cone, and the swing device is located in the notch and swings with the transmission rod as a rotating shaft; the driving ring is arranged on the outer side of the circular truncated cone, and the driving ring is connected with the swinging device; the puncture head is connected with the lower end of the transmission rod, the cleaning piece is located on the puncture head, and a limiting groove is formed in the puncture head; a limiting block is arranged at one end of the puncture core. According to the scheme, the structure is simple, operation is efficient, power transmission is direct, a cleaning piece can be locked, and view interference is avoided; the endoscope does not need to be taken out for cleaning, and operation interruption and tissue damage are reduced; the puncture head is locked stably, the cleaning piece is integrated on the puncture head, the structure is compact, and punctured wounds can be reduced.

A surgical device for intermaxillary fixation that shortens operating time, reduces the risk of lacerations and puncture wounds for the surgeon, and results in lower patient morbidity. It consists of a clamp or clasp made of titanium, surgical steel, or another biocompatible material, the free ends of which are positioned in the interdental space. One end of the clamp is placed in the interdental space of the maxilla and the other end in the interdental space of the mandible, so that once inserted, the clamp secures or fixes the maxilla to the mandible, preventing the patient from moving or opening it, thus achieving the goal of intermaxillary fixation. This clamp or device is operated and manipulated using forceps for easy application and removal from the teeth.

The utility model discloses a kidney puncture bellyband, which belongs to the technical field of medical instruments and comprises a bellyband main body capable of covering the waist and the back of a human body, a cloth bag, an air inflation bag and an air delivery pipe, the cloth bag consists of an observation window, an air inflation interface and compression air bags, and a plurality of compression air bags with the same size and arranged at equal intervals are arranged in the cloth bag. The air inflation connector is fixedly connected to one side of the cloth bag, one side of each pressing air bag is connected with the air inflation connector, a pressing structure composed of the cloth bag, the air inflation bags and the air conveying pipe can press a puncture part of a patient, and the multiple pressing air bags arranged in the cloth bag can press a puncture wound in a targeted mode. When abnormal conditions such as blood pressure reduction or red urine color or severe abdominal pain of a patient occur, the pressure of the compression air bag on a wound can be adjusted at the first time, the pain of the patient is relieved, and a better hemostasis effect is achieved.

The utility model relates to the technical field of operation propellers, and discloses an orthopedic screw endoscope operation propeller. According to the propeller, a first channel is formed in a pushing pipe, the pushing pipe is divided into a fixed part and an extending part, and the tail end of the fixed part is connected with the extending part; first external threads and second external threads are arranged on the outer wall of the fixing part at intervals; an observation hole is formed in the outer wall of the tail end of the extension part; the holding part comprises a handle and a lock sleeve, the top end of the handle is connected with the outer wall of the lock sleeve, and the lock sleeve is installed on the outer wall of the fixing part and detachably connected with the second external thread; the push rod or the bone drill is detachably inserted into the first channel; the protective cylinder is installed between the fixing part and the lock sleeve and rotationally connected with the first external thread. According to the utility model, the problems that the positioning cannot be accurately carried out, the operation is complicated and no effective auxiliary tool exists when the screw is implanted in a wound punctured by an endoscope are solved, the problem that the positioning is difficult to accurately carry out when the screw is implanted in the wound punctured by the endoscope is effectively solved, and the complicated operation process is greatly simplified.

The invention discloses a cardiovascular patient postoperative limb nursing fixing device, and relates to the technical field of postoperative nursing, the cardiovascular patient postoperative limb nursing fixing device comprises a nursing bed, the bottom surface of the nursing bed is fixedly connected with two support plates, the two support plates are provided with an upper limb moving mechanism, and the upper limb moving mechanism is provided with an upper limb fixing mechanism. According to the postoperative limb nursing fixing device for the cardiovascular patient, when the patient lies on a mattress after an operation, an upper limb overturning seat and a first telescopic plate can be driven to be placed on the lower portion of an arm of the patient through cooperation of a first screw rod and a first moving seat; the hand and the upper portion of the wrist joint of a patient are bound and fixed through the first connecting band, the first binding ring, the first binding band, the first loop face hook-and-loop fastener and the first hook face hook-and-loop fastener at the end of the first telescopic plate, so that the puncture position of the wrist joint is nursed, bending of the wrist joint is avoided, meanwhile, a compressor at the position of the wrist joint is prevented from falling off, and the use safety of the patient is improved. Therefore, the puncture wound of the wrist joint can be effectively protected.

A moulage task trainer simulation wound device provides a plurality of tissue layers having differential densities so as to replicate the dynamics and feedback of a real wound. The simulation wound enables definition of a cavity simulating a puncture wound or the like. Four-way stretch material may be integrated into one or more of the plurality of tissue layers to further enhance the fidelity of the training process. The carrier of the simulation wound provides fixation mechanisms that enable adjustability for attaching the task trainer device on a wide array of body types and anatomical locations of a role-player or mannequin.

This invention relates to the field of surgical instruments, and more particularly to a minimally invasive organ suspension device that expands surgical space. The organ suspension device includes an external magnetic suspension device and an internal detachable clamp; the magnetic suspension device includes a strong magnetic system (15), and an mounting rod sleeve (14) is arranged above the strong magnetic system (15); the detachable clamp includes a dedicated internal arc-shaped clamp body (1). This invention's minimally invasive organ suspension device uses external magnetic attraction in conjunction with an internal detachable clamp to achieve minimally invasive organ suspension, minimizing tissue traction trauma during surgery and reducing postoperative complications. It eliminates the need for suturing organs and external punctures, avoiding organ damage and the risk of infection at puncture wounds.

The invention provides a novel wound surface protection film coating agent as well as a preparation method and application thereof, and belongs to the technical field of trauma healing. The film coating agent provided by the invention is prepared from the following raw materials: polyacrylic resin, an ethyl acrylate-methyl methacrylate copolymer, povidone, dragon's blood and the like. The preparation method of the film coating agent comprises the following steps: adding chlorhexidine acetate, povidone, triethyl citrate and the like into 95% ethanol under low-speed stirring; adding polyacrylic resin, uniformly stirring, and swelling; adding the ethyl acrylate-methyl methacrylate copolymer, the antibacterial agent and the dragon's blood, and continuously stirring and uniformly mixing to obtain the film coating agent. The wound surface protection film coating agent is fast in film forming, can form a film within 1 min, is good in film integrity, can effectively absorb wound exudate, is good in antibacterial ability, can effectively prevent scar hyperplasia, and has a good treatment effect on wound surfaces such as scratches, stabbing wounds, scratches and scalds.

This utility model discloses a silent medical trolley, belonging to the field of medical equipment technology. It includes a base plate and a silent assembly. A handle is fixedly connected to the upper surface of the base plate, and four stabilizing rods are also fixedly connected to the upper surface of the base plate. A connecting plate is fixedly connected to the top of each of the four stabilizing rods. A set of equidistant short rods are installed on the upper surface of the connecting plate, and a loop is installed at the top of each short rod. A limiting assembly is installed on the upper surface of the connecting plate. The limiting assembly includes a long plate installed on the upper surface of the connecting plate, and a connecting groove is formed inside the long plate. This silent medical trolley, through the coordinated design of the base plate and the fixing assembly, can effectively limit and fix medicines and glass ampoules, preventing displacement during frequent starts and stops, thus eliminating the risk of breakage, waste of medical supplies, and the risk of puncture wounds.

The utility model belongs to the technical field of medical apparatus and instruments, specifically discloses a puncture compression balloon and puncture compression assembly. One aspect relates to the puncture compression balloon, which comprises: a shaped rubber ring, which is annular in structure and has a balloon mounting portion in the inner ring; a balloon, which is embedded in the balloon mounting portion; when the balloon is inflated, the balloon expands, and the outer edge thereof abuts against the inner side of the balloon mounting portion; the balloon mounting portion is used for limiting the expansion of the balloon in the plane of the shaped rubber ring. The other aspect relates to the puncture compression assembly, which comprises the puncture compression balloon of any one of the preceding aspects; and an inflation assembly connected with the air inlet of the puncture compression balloon. In the present disclosure, the deformation of the balloon is limited by the shaped rubber ring, so that the balloon is less likely to become flat when being pressed, thereby providing better support and compression; in addition, when the balloon mounting portion has a supporting bottom, the balloon can be better limited to expand only to the side of the puncture wound, thereby better improving the compression effect.

The utility model discloses a novel retraction type anti-stabbing syringe, which comprises a main body unit, a needle cylinder, an inner cylinder arranged in the needle cylinder, the inner cylinder comprises a liquid storage cylinder and a connector, and a needle head and a protective sleeve are arranged on the connector; and the operation unit comprises a first connecting port. When a medical worker needs to take out a needle from the body of a patient after using an injector to inject liquid medicine, the rectangular block is pulled outwards and moved out of the second connecting opening in the lower end, the rectangular block is moved upwards, the rectangular block is loosened when the rectangular block is moved to the second connecting opening in the upper end, and the needle is taken out from the body of the patient. When the rectangular block moves upwards, the round rod drives the inner cylinder and the needle head to move upwards, the needle head moves out of the body of a patient and completely enters the needle cylinder, the phenomenon that medical workers are stabbed is avoided, and then potential harm caused by bacteria or viruses left on the needle head to the medical workers is avoided; and the use safety of the injector is improved.

The invention relates to the technical field of medical dressings, in particular to a medical dressing for pressing a puncture wound surface, which comprises a substrate layer, a dressing layer and a pressing component, the substrate layer is of a rectangular structure, the front end face of the substrate layer is of an adhesion structure, the pressing component is adhered to the middle of the front end face of the substrate layer, the dressing layer is further adhered to the front end face of the substrate layer, and the dressing layer is arranged on the front end face of the substrate layer. The pressing assembly is of a hemispherical structure, the front end of the pressing assembly protrudes out of the surface of the dressing layer, and the pressing assembly is used for pressing the puncture wound surface; the semi-spherical compression assembly capable of extending into the wound surface is adopted, the structure breaks through the limitation of a traditional plane dressing, pressure can be directly and accurately transmitted to a puncture channel, a main channel for body fluid seepage is effectively closed, through the design of the inflatable sealing cavity, the pressure of the outer silica gel hemisphere is adjusted according to the specific wound surface condition, and the sealing effect is good. The compression sufficiency is ensured, and the risk of insufficient compression or tissue ischemia caused by constant pressure is avoided.

A method of promoting healing of a wound generally includes administering to the wound an amount of a PEP exosome preparation effective to promote healing of the wound. In one or more embodiments, the PEP exosome preparation includes a tissue sealant or surgical glue. In one or more embodiments, the wound is an ischemic wound, a puncture wound, a laceration, an abrasion, a surgical wound, a skin graft, or a traumatic wound.

Provided is a blood collection apparatus with which blood can be stably collected from a finger tip of any subject while ensuring safety and ease. This blood collection apparatus is provided with: a puncture site holding mechanism for holding a puncture site; a compression mechanism for performing an operation of compressing and releasing the puncture site when blood is collected from the puncture site; a container holding mechanism for holding a container for collecting blood flowing from a puncture wound at the puncture site; and a driving mechanism for varying the relative distance between the puncture site and the container by vertically moving the puncture site holding mechanism, the container holding mechanism, or the container held by the container holding mechanism when blood flowing from the puncture wound is collected.

The utility model relates to a closed thoracic drainage tube, it includes the tubulature, the outer wall of the tail end of tubulature is sequentially provided with first annular groove and second annular groove, the first annular groove is covered with first air bag, the second annular groove is covered with second air bag, the first air bag and second air bag are communicated through the air guide pipe of the lumen of tubulature, the wall thickness of first air bag is greater than the wall thickness of second air bag, the front end movable sleeve of tubulature is provided with extrusion ring, the utility model through the first air bag of surrounding tubulature carries out the compression hemostasis to the puncture wound around, avoids the phenomenon that the pipeline leaks gas or leaks liquid, reduces the discomfort of patient, through the inflation of first air bag when extruding second air bag, reduced the operation step of thoracic drainage tube setting and pulling out, improved the efficiency and convenience, through setting the fixed ring, can paste fixed tubulature part outside patient's body, convenient drainage, need not suture, the operation is more convenient.

The invention provides a wearable edema-damage composite skin simulation teaching model and a preparation method thereof. The wearable edema-damage composite skin simulation teaching model is composed of a high-elastic silica gel skin substrate, an edema simulation layer, a lesion module, a protection layer and a fixing assembly. The multifunctional simulation skin device can be directly worn on the thighs, the shanks or the trunk, can present common clinical wounds such as edema, laceration, cutting wounds and puncture wounds of different degrees on site, and is used for skill training and examination such as puncture, debridement, suture and bandaging of nursing, surgery, emergency treatment and battlefield rescue.

This invention provides an improved infusion set, belonging to the field of medical auxiliary devices, including an infusion tube, an infusion assembly, and a storage assembly. One end of the infusion tube is connected to a puncture device, and a drip chamber is provided on the surface of the infusion tube. The other end of the infusion tube is connected to a flexible tube, on the surface of which an infusion needle is slidably mounted. A needle wing is connected to the tail end of the infusion needle. During puncture, the infusion needle is inserted into the blood vessel, and the flexible tube enters the blood vessel simultaneously. By pulling the needle wing, the infusion needle moves on the surface of the flexible tube and exits from the blood vessel, leaving the flexible tube in place. This infusion method replaces leaving a steel needle inside the blood vessel, reducing drug extravasation, facilitating patient hand movement, and preventing puncture wounds to blood vessels.

The embodiment of the utility model provides an ablation catheter, and belongs to the technical field of ablation. The ablation catheter comprises a catheter body, the catheter body comprises an inner-layer catheter body and an outer-layer catheter body, the inner-layer catheter body is provided with a cavity extending in the axial direction, a wire is arranged on the peripheral side of the inner-layer catheter body, and the outer-layer catheter body is formed on the peripheral side of the inner-layer catheter body so as to wrap the wire. The ablation catheter is smaller in size, puncture wounds of a patient can be reduced, and the risk of complications is reduced.

The invention belongs to the technical field of disinfection brushes, and particularly relates to an intelligent puncture wound disinfection brush which comprises a handle, a limiting assembly is arranged on the inner side of the handle, a runner pipe is fixedly connected to the handle, and a flow control valve is arranged on the inner side of the runner pipe; the control box is fixedly arranged on the handle, an electric guide rail is fixedly arranged on the control box, a circuit board is arranged between the electric guide rail and the control box, a transmission assembly is arranged on the inner side of the electric guide rail, and a pricking body is arranged on the transmission assembly. Through the rectangular or flat infusion bag of the first brush sleeve, the surface area of the first brush sleeve is in a diffusion form, and point pressure type medicine applying can be carried out on scab wounds. By means of the design, the medicine can directly act on the surface of the wound, the contact area of the medicine and the wound is increased in a point pressure mode, medicine permeation is promoted, the problem that the medicine is difficult to permeate due to scabbing is effectively solved, and the wound repairing process is accelerated.