11results about How to "Heal fast" patented technology

This utility model relates to the field of minimally invasive postoperative wound dressing technology, specifically a minimally invasive postoperative wound dressing with wound closure function. It includes an adhesive layer, release paper installed on both sides of the bottom of the adhesive layer, low-sensitivity adhesive tape evenly installed on both sides of the top of the adhesive layer, and a sterilization layer embedded in the middle of the adhesive layer. The improved minimally invasive postoperative wound dressing adds a first elastic band and a second elastic band. When the wound dressing is applied to the wound surface, the first and second elastic bands can be pulled to traction the sides of the adhesive layer, thereby effectively closing the wound, reducing the risk of wound dehiscence, and promoting rapid wound healing. An absorbent layer made of highly absorbent resin is also added, allowing the absorbent layer to quickly absorb tissue fluid exudated from the wound during the healing process, helping to reduce the risk of wound infection and thus promoting wound healing.

The utility model discloses a novel circumcision anastomat which comprises an inner ring and an outer ring, the inner ring is used for supporting the inner side of a prepuce, the outer ring is composed of a pair of outer ring lock catches which can be mutually locked, a dull knife is arranged on the inner side of each outer ring lock catch, a drainage assembly is arranged on each dull knife, and the outer ring lock catches are buckled on the outer side of the inner ring. The blunt knife extrudes the foreskin tissue on the outer side of the inner ring, the to-be-cut tissue and the reserved tissue are isolated through the arranged inner ring and the locking mechanism, so that the to-be-cut tissue necroses and falls off, then cutting is completed, in addition, tissue fluid is guided out to be away from the isolation belt through the drainage assembly, and it is guaranteed that the position nearby the tissue fluid is kept dry; lymph accumulation and flowing around are avoided, and cross infection is reduced, so that edema is relieved, and healing is faster.

The invention discloses mussel-imitating bacteria responsive injectable hydrogel as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The hydrogel is formed by compounding a mussel-imitating viscous hydrogel bracket and a bacterial response agent, the viscous hydrogel scaffold is QCS-EC (Quaternized Chitosan) and is formed by non-covalent binding of QCS (Quaternized Chitosan) and EGCG (Epigallocatechin Gallate); the bacterial response agent is a supramolecular nano cross-linked compound TEBox-B12, and is formed by self-assembly of box-shaped quaternized pyridine heterocyclic organic salt molecules TEBox and salt containing suprachaotropic liquid anions B12H12-through hydrogen bonds and electrostatic interaction. The hydrogel disclosed by the invention has NIR-II photo-thermal and photodynamic antibacterial treatment functions, and can be used for efficiently killing bacteria in deep tissues; the hydrogel also has high adhesion, good biocompatibility and injectability, is strong in convenience and applicability, can provide a good healing environment for wounds, promotes fibroblast proliferation and migration, accelerates wound tissue regeneration and healing processes, and reduces scar formation.

This invention relates to a mildly photothermal-releasing, injectable, self-healing hydrogel dressing for wound healing after oral cancer surgery. The hydrogel dressing is prepared by loading NO donor-loaded nanoparticles into a thermosensitive ABA triblock copolymer. This hydrogel dressing possesses thermosensitivity, injectability, self-healing properties, mild photothermal antibacterial activity, controlled NO release, blood compatibility, and biocompatibility. It can promote tissue regeneration, angiogenesis, and cell migration in postoperative wounds after oral cancer surgery, making it an ideal material for postoperative wound management in oral cancer patients.

This invention belongs to the field of coating technology and provides a wear-resistant coating for drone shells and its preparation method. The raw materials of the coating include: hydrogenated bisphenol A epoxy resin, vinyl-terminated fluorinated polybutadiene resin, core-shell powder, aluminum borate nanofibers, polyetherimide micro powder, wear-resistant additives, silane coupling agent KH-792, light stabilizer, leveling agent and environmentally friendly solvent. The preparation method includes: (1) mixing hydrogenated bisphenol A epoxy resin and vinyl-terminated fluorinated polybutadiene resin to form a resin matrix; (2) first adding core-shell powder and aluminum borate nanofibers to the resin matrix for dispersion; after cooling to 25-30℃, adding other raw materials, stirring and defoaming to obtain the finished product. This coating has high wear resistance, wind and sand erosion resistance, low temperature crack resistance, microcrack self-repair, strong UV aging resistance and high adhesion, which can significantly improve the long-term service stability and service life of drone shells in complex and harsh environments such as high altitude, wind and sand, high and low temperature alternation, and strong ultraviolet radiation.

The utility model discloses a jujube tree girdling wound auxiliary healing paste, and belongs to the technical field of tree pastes. The auxiliary healing patch for the jujube tree girdling wound comprises a base band, and a plant protection agent layer, a viscous material layer and a medicine attaching material layer are sequentially arranged on the upper surface of the base band from bottom to top. The plant protection agent layer is arranged to be of a sawtooth-shaped structure. By adopting the auxiliary healing paste for the jujube tree girdling wound, the jujube tree girdling wound can be healed more quickly, the healing effect is better, and the recovery of the tree after girdling is accelerated, so that the influence of girdling on the tree vigor is weakened.

The present application relates to the technical field of forest cultivation, and provides a large-diameter-grade knot-free fine timber cultivation method for pine-broadleaf mixed forest, which comprises the following steps: selecting a forestation site and then carrying out site preparation, planting pine seedlings and broadleaf tree species, pruning according to a pine branch stake embedding area formula, applying an external growth agent to the pruning mouth, thinning and adjusting the pine forest density, and harvesting the pine when it is matured. The pine and broadleaf tree species are planted and mixed at the same time, which can promote the growth of the pine, improve the soil environment, enhance the resistance to the outside world, and significantly improve the comprehensive benefits per unit area. In addition, after pruning and applying the external growth agent, the cultivation period of the knot-free pine fine timber is shorter.

The utility model relates to the field of wound suture, in particular to an interval type barb suture line and an interval type barb suture assembly. The interval type barb suture line comprises a plurality of barb sections and a plurality of smooth sections which are arranged at intervals in the extending direction. Wherein the lengths of the barb section and the smooth section are configured as follows: at least the middle part of the barb section is buried under the skin after the wound is sutured, and at least the middle part of the smooth section is exposed outside the skin. According to the utility model, at least most of the part of the barb suture line exposed outside the skin is smooth, so that the damage to the skin at the sutured part is weakened.

The invention relates to the technical field of forest tree genetic breeding and propagation, and particularly discloses a seedling raising method for improving the grafting survival rate of phoebe bournei. Comprising the following steps: S1, cultivating phoebe bournei cutting seedlings as rootstocks, and keeping the rootstocks in a robust state for later use; s2, semi-lignified branches growing in the current season are collected from the excellent phoebe bournei stock plants to serve as scions; s3, performing disinfection and pretreatment on the scions to prepare scion sections with wedge-shaped notches; s4, cutting off and cutting the stock, and combining the scions treated in the step S3 with the stock to enable cambiums to be aligned; s5, sealing and fixing the grafting joint part by using a binding belt material; s6, performing stage moisturizing and light and temperature regulation and control on the grafted plants. The seedling raising method can be applied to the fields of efficient germplasm resource utilization, artificial forest and landscape forest construction and the like, and has the advantages that the grafting survival rate is high and stable, the interface healing speed is high, the quality is good, and nursery stocks grow robustly and neatly.

The invention discloses a rapid scar-free healing device for a body suture wound. The rapid scar-free healing device comprises a support, a threaded bushing, a pan head bolt, a left push plate, a limiting pin, a pressing plate, a breathable plate, a right push plate, a hanging pin, an adjusting belt, a buckle, a fastening belt, a gear shaft and a fixing rod. The left and right push plates are pushed by pan head bolts to oppositely move towards the two sides of a wound, tissues on the two sides are extruded to protrude towards the middle, and tissue tension is changed into tissue tightening force; a pan head bolt pushes a pressing plate and a breathable plate to move downwards, a wound bulge is wedged and flattened, tissues on the two sides of a wound are in airtight-level fit, tissue hyperplasia can only be forcibly carried out subcutaneously, the tissue butting and anastomosis speed is increased, the body surface is always kept in a flat, smooth and non-hyperplasia state, microorganisms can be effectively prevented from invading the wound, and the wound healing effect is improved. Infection is prevented, so that rapid scar-free healing of sutured wounds is realized. Transverse thrust, vertical pressure and body binding force can be finely adjusted in a stepless mode through the buckles so as to adapt to the tolerance of a patient.

The utility model relates to a thread buckle type aorta blood vessel anastomat which comprises five components, namely an outer female ring, two outer rings and two inner rings. The two inner rings are the same in size and structure, and the ends, close to each other, of the two blood vessels are turned outwards and sleeved on the inner rings. The two outer rings are an annular buckle type outer ring and a threaded type outer ring respectively, two sections of blood vessels with the ends turned outwards are clamped between the inner walls of the annular buckle type outer ring and the threaded type outer ring and the outer wall of the inner ring respectively, and the inner wall of the outer female ring is connected with the outer walls of the annular buckle type outer ring and the threaded type outer ring in a threaded or clamped mode. The aim of clamping the blood vessel and preventing the blood vessel from loosening is achieved; the blood vessel suturing time can be greatly shortened, and the workload of medical staff is reduced; the thrombus risk of a patient due to the fact that the non-degradable anastomat is located in a blood vessel for a long time is avoided; and damage to the blood vessel wall caused by traditional suture suture is avoided.