31results about How to "Easy stuffing" patented technology

The invention discloses a packing tool for oil gauze for postoperative incision drainage and a use method thereof. The packing tool comprises a crooked penetrating gauze board, the middle portion of the penetrating gauze board caves to form a gauze storing groove, a gauze fixing hole is formed in one end of the gauze storing groove, one portion, close to the gauze fixing hole, of the gauze storing groove is a blind end, and the other end of the gauze storing groove is an opening end. By means of the packing tool, one end of oil gauze is fixed to the gauze fixing hole temporarily, then the penetrating gauze board penetrates into and out of a wound, so that the oil gauze is brought into the wound, and a packing effect is achieved; due to the fact that the outer portion of the penetrating gauze board is round, smooth and thin (1-3 mm), and the oil gauze is stored in the gauze storing groove, so that stimulation to the wound is small, pain of a patient is reduced, and packing is convenient.

The invention provides a method for manufacturing a heat-not-burn smoke body, which comprises crushing tobacco leaves, tobacco stems and tobacco and uniformly mixing them into tobacco powder; The paste is extruded and molded by molding equipment to obtain a heat-not-burn fuming body with a fixed shape. Adopting the technical solution of the present invention, the smoking body is in the form of a flexible paste, similar to edible gummy candies, and has good shape plasticity. After molding, it can be made into various smoking bodies with fixed shapes, making it easy to stuff , filling or stuffing in various beautiful-looking cigarettes, which enhances the user's experience of smoking cigarettes. The present invention preferably embeds the cutting line in the manufacturing process, and when the smoke body is heated, the smoke body Cracking along the cutting line enables the user to inhale the smoke more fully and enhances the user experience.

The invention discloses a special device for down ball preparation and a down ball preparation method thereof. The special device for down ball preparation comprises a rack, a compressing unit, a wrapping unit, and a drying unit, the compressing unit, the wrapping unit and the drying unit are all fixedly mounted on the rack, the compressing unit is fixedly mounted on the upper end of the wrappingunit, and the drying unit is fixedly mounted at the lower end of the wrapping unit. Down balls are prepared by the steps of down preprocessing, down compression, water-soluble adhesive preparation, down wrapping, down ball shaping and drying. According to the invention, by mounting baffle plates at the upper end of a passage, compressed down in an outlet a can conveniently pass through the baffleplates on both sides, so that position is limited, consequently, by means of the passage, the wrapping of an adhesive is carried out, and the adhesive which is placed in a solvent tank can wrap the down by means of the baffle plate sides. According to the invention, by adopting the special device for down ball preparation, down balls can be directly prepared, the preparation method is simple, anddown is more convenient to fill.

The invention belongs to the technical field of medical devices, in particular to an allogeneic bone filler device, comprising a material barrel; an end cover is threadedly connected to the top of the material barrel; , a screw plate is fixedly connected to the outside of the rotating shaft, and a hand wheel is fixedly connected to the top of the rotating shaft; the bottom of the barrel is provided with a feeding port, and the feeding port is threadedly connected with an extension pipe; Strip-shaped, when the diameter of the bone defect is small, the strip-shaped allogeneic bone needs to be crushed into pieces, and then filled in from the diameter of the bone defect by hand. Packing allogeneic bone by hand may be insufficient, and manual packing of allogeneic bone is often scattered. In the surrounding tissue, it is inconvenient to clean the scattered allogeneic bone; in the present invention, the extension tube is arranged to facilitate the filling of the allogeneic bone powder into the bone defect area, thereby solving the problems of insufficient packing and easy scattering when the diameter of the bone defect is small.

The invention discloses a manufacturing method of an individualized auxiliary device for intracavitary combined parametrial implantation treatment for cervical carcinoma. The individualized auxiliarydevice comprises a vagina member and a graduated disc. The manufacturing method comprises the steps of filling the vagina, and then performing magnetic resonance imaging to obtain the bending degree of a uterine body, the length of a uterine cavity, the length of the vagina, the position of a parametrial tumor, the size of the parametrial tumor and the shape of the parametrial tumor; selecting a uterine cavity source applicator according to the bending degree of the uterine body and the length of the uterine cavity, thus determining the aperture of a first channel, determining the length of acolumn body according to the length of the vagina, and determining the number of second channels, the aperture of each second channel and an angle between each second channel and an axis according tothe position, size and shape of the parametrial tumor; and performing three-dimensional modeling on the vagina member according to the data determined in the above steps; and performing 3D printing onthe vagina member. The therapeutic effect of near-distance treatment for cervical carcinoma is improved. The manufacturing method is applied to the field of medical instruments.

The invention relates to an inclusion self-dissolving diverting agent for fracturing and a preparation method thereof. The diverting agent is composed of 10-15 parts of guanidine collagen powder, 30-40 parts of ferric chloride, 30-40 parts of dioxygen trioxide Aluminum, 1-2 parts of sodium bicarbonate, 8-10 parts of ammonium persulfate, 1-2 parts of potassium ferricyanide and 1 part of γ-aminopropyltriethoxysilane, the steering agent is in the form of inner wrapping , in the form of spherical particles. The preparation method is as follows: at room temperature, guanidine collagen powder, ferric chloride, aluminum oxide, sodium bicarbonate, and potassium ferricyanide are successively dissolved in water and stirred for 5 minutes according to the formula ratio, and then the solution is dried and agglomerated, and It is crushed and pulverized, and then sprayed on the surface of ammonium persulfate by gamma-aminopropyltriethoxysilane coupling agent, the prepared powder is adhered and wrapped in the outer layer of ammonium persulfate crystals to form spherical particles, and finally The particles can be dried. The diverting agent is in the form of a gel breaker inner package, which has self-dissolution ability, and does not need to add additional gel breaker degradation agent during construction.

The invention discloses a preparation method of airflow piled formed bionic bird nest cotton. The preparation method comprises an opening and mixing working procedure, an airflow conveying working procedure, a piled forming working procedure, a drying and cooling working procedure and a finished product taking-out working procedure in sequence. In the airflow conveying working procedure, mixed fiber is conveyed through airflow to move forwards along a feeding pipe so as to enter an inner cavity of a forming mold; in the piled forming working procedure, under the effect of airflow, the inner cavity is continuously filled with the mixed fiber, conveying is not stopped until the inner cavity is full of the mixed fiber, and at the moment, the mixed fiber in the inner cavity is piled to form a workblank. When the workblank is dried or cooled, a unique ventilation process can be adopted to improve the drying or cooling ventilation uniformity. According to the design, the processing technological process can be shortened, the utilization rate of raw materials can be improved, meanwhile, the piled forming uniformity of the raw materials can be improved, the drying or cooling uniformity can be enhanced, and the heat retention property, breathability, elasticity and strength of the product can be improved.

The present invention relates to a three-dimensional experimental device for the three-dimensional development of heavy oil reservoirs. The three-dimensional experimental device for the three-dimensional development of heavy oil reservoirs includes a three-dimensional core model, a constant temperature box, a steam generator, a temperature and pressure monitoring system, an advection pump, and an intermediate container; The vertical well interface is arranged on the upper cover of the core model, and the horizontal well interface is arranged on the side of the 3D core model; the inner cavity of the 3D core model is filled with a mixture of high alumina cement and quartz sand, and the 3D core model is also equipped with temperature monitoring interfaces, Pressure monitoring interface and saturated oil hole; the first advection pump is connected to the steam generator, the steam generator is connected to the inlet of the lower end of the first piston container, and the outlet of the upper end of the steam generator is connected to a horizontal well interface of the three-dimensional core model; the second piston The upper outlet of the container is connected to the intermediate container, and the intermediate container is connected to the saturated oil hole on the cover plate of the three-dimensional core model. The invention integrates the indoor experiments of the three well pattern structures of SAGD, composite flooding and gravity drainage assisted steam flooding, and can convert the experimental well pattern structure to provide convenience for physical simulation in the three-dimensional development of heavy oil.

The invention relates to a copper sheet post-embedding type water stop construction method of an underground waterproof project, and belongs to the field of construction of underground projects. The method comprises the following steps of firstly chiseling a water stop part mounting groove in a built concrete structure; coating epoxy coating at the bottom part of the groove as a bottom layer; coating epoxy grout, and then fixing the copper sheet water stop part; coating epoxy mortar on the copper sheet water stop part, and filling the water stop part mounting groove with epoxy mortar; after initial curing, coating an epoxy resin coating layer at the surface of the epoxy mortar; after curing, detaching a bracket, casting the adjacent structure requiring water stopping, embedding the other side of the copper sheet water stop part in the concrete of the adjacent structure, and enabling the bending part of the copper sheet water stop part to be remained in an expansion joint. The method has the advantages that the method is used for the construction of reverse type underground waterproof projects, the sealing and waterproof effects are good, and the same sealing and waterproof effects as those of the pre-embedding method are realized.