33results about How to "Improve the success rate of planting" patented technology

The invention provides a method for preparing an implant surface with a multi-scale complex porous structure and for preparing a titanium-based implant surface with antibacterial and osteogenic functions. The method adopts a three-step reduction method of sand blasting, oxalic-acid acid etching and alkali treatment and simulates a morphology environment for new bone formation in vivo under the physiological condition. The osseointegration of the implant surface can be accelerated, the surface is beneficial to the long-term stability of the implant, has a significant antibacterial performance, can inhibit infection of early planting, and can further improve the success rate of planting. With adoption of the method, a micro-nano composite pure titanium implant surface with the osteogenic and antibacterial performances, namely a three-dimensional implant surface with the multi-scale complex structure is prepared. The surface has an osteogenic activity higher than that of SLA most widely used in clinic and good antibacterial performance and has a wide application prospect. The surface has the extremely vital significance on expanding oral planting indications, shortening the implant restoration course, reducing infections relative to planting and increasing the success rate of planting.

The invention relates to a dental implant. The dental implant comprises an implant body and an abutment connected with the body, wherein an annular groove region is formed in dental implant neck surface layers, which are in contact with soft tissues, of the body and the abutment; a porous layer region is arranged on the inner layer of the annular groove region; a plurality of spherical cavities are formed in the porous layer region and between annular grooves in the annular groove region; the spherical cavities which are in contact with each other communicate with each other; all the sphericalcavities which are in contact with the surfaces of the annular grooves are provided with openings in the surfaces of the annular grooves; and a plurality of axial pipes are arranged in the porous layer region, the lower portions of the axial pipes communicate with the spherical cavities, and the upper portions of the axial pipes are provided with openings in the surface of the abutment. Due to the structure of the porous layer region and a bioactive molecule combination, the soft tissue position of the neck of the implant is promoted to be stable in multiple ways, aesthetic defects caused bydisplacement of the neck of the implant to the root as well as reduction of bone absorption around the implant and shortening of the service life of the implant caused by the low bonding strength areavoided, and therefore, the implanting success rate is further improved.

The invention relates to the field of medical instruments, in particular to a hair follicle extracting and planting integrated instrument. The hair follicle extracting and planting integrated instrument comprises a main mechanism and a connecting mechanism. The main mechanism comprises a main supporting frame, a first motor, a transmission frame, a second motor, a tightening part, a transmission mechanism and a push needle. The connecting mechanism comprises a connecting head, a fixing head and a tool bit. The first motor of the main mechanism controls the tool bit to move up and down through cooperation of the transmission frame and the transmission mechanism, the second motor controls the push needle to rotationally move through the tightening part, and meanwhile rotational movement of the tool bit is controlled through the transmission mechanism. Compared with the prior art, extracting and planting integrated operation is achieved, and operation of hair follicle planting is more convenient; compared with traditional hair follicle extracting and planting, the operation effect is better, the harm to hair follicles is smaller, and the planting success rate is higher.

The invention discloses a method for constructing a pond suitable for frogs to inhabit in a green land. The method comprises the steps that a pond body is excavated in the green land, a waterproof blanket and a clay layer are laid in the pond body to serve as a waterproof layer, and a planting soil layer is laid on the clay layer; various submerged plants are planted on the bottom face of the pondbody, local emergent aquatic plants are planted in a land and water transition zone, and therefore a small ecosphere suitable for survival of small aquatic organisms such as the frogs is constructedin the pond body, the green land such as the urban near-water green land and the urban open green land meets the growth and reproduction requirements of amphibians such as the frogs and other small aquatic animals, a small ecological system organically combining animals and plants is constructed in the green land, and the ornamental value of landscape water is reserved; and due to the fact that the small ecological system is constructed in the water, the biodiversity of the water in the green land can be greatly improved, a certain adjusting effect is achieved on the micro climate zone aroundthe green land, and the ecological effect of the water such as the pond in the green land is remarkably improved.

The invention belongs to the technical field of corn cultivation, and discloses a cultivation and planting method of corn rich in anthocyanin. The cultivation and planting method comprises the steps that corn seeds containing anthocyanin are planted to obtain hybrid female parents, the hybrid female parents and plants rich in anthocyanin serve as hybrid male parents, and first filial generation parents rich in anthocyanin are obtained on the basis that it is guaranteed that the hybrid female parents obtain a large number of anthocyanin-rich pollen sources in the modes of cross pollination, self-pollination and artificial pollination. Anthocyanin has the effects of resisting oxidation, eliminating free radicals, eliminating toxins and garbage in human blood, maintaining beauty and keeping young and resisting cancer cells, and corn particles, straws, outer skins, shaft cores and corn ears obtained through the method are rich in a large amount of anthocyanin and have extremely high nutritive value and utilization value. The cultivation and planting method of the corn rich in anthocyanin realizes high cultivation rate, high anthocyanin content and high planting success rate, and is suitable for planting in southwest China and weathered, windblown stone and sand areas. The organic fertilizer is applied, so that the absorption of nutritional ingredients at the roots of the corn is increased, and the soil is repaired.

The invention discloses an oral implant. The oral implant comprises an outer shell body and an implantation hole arranged inside the outer shell body, the outer shell body comprises a cylindrical mainbody part with an external thread, a circular truncated cone-shaped inclined shoulder part arranged on the top of the main body part, and a hemispherical spherical bottom part disposed at the bottomof the main body part. A first thread region and a second thread region are disposed on the main body part from the top to the bottom, and the pitch of the first thread region is smaller than the pitch of the second thread region. The implantation hole includes a tapered hole and an internal hexagonal hole, the tapered hole is arranged downward from the top end of the inclined shoulder part, the internal hexagonal hole is arranged at the bottom of the tapered hole, the cross-section of the internal hexagonal hole is internal hexagonal, and the maximum diameter of the inner hexagonal hole is smaller than the smallest diameter of the tapered hole. The oral implant has good initial stability and high planting success rate, and bacterial sealing of the implant and a base is good, the connection is more stable.

The invention relates to a dental implant, comprising an implant body and an abutment connected with the implant body. The peripheral surface of the neck, in contact with soft tissue, of the implant body and abutment is provided with a porous outer layer region; a plurality of spherical cavities are arranged in the porous outer layer region; the mutually contacted ones of the spherical cavities are communicated with each other; all the spherical cavities in contact with the peripheral surface of the neck are opened from the peripheral surface of the neck; the porous outer layer region is provided with a plurality of axial ducts having the bottoms communicated with the spherical cavities in the porous outer layer region and having the tops opened from the surface of the abutment. The structure of the porous outer layer region and pharmaceutical and / or bioactive molecular combination is used herein to generate multiple good effects to promote the occlusion of the soft tissue contact region of the neck of the implant; aesthetic defects caused by movement of the neck of the implant body to the root and peri-implant bone absorption and implant life shortening caused by low binding strength can be avoided; therefore, implanting success rate and aesthetic effect are further increased.

The invention relates to the field of kelp seedling inserting equipment, and in particular to a seedling inserting device of a kelp seedling gripper. The seedling inserting device comprises a seedling gripper opening / closing part, a fixing part and a rectilinear motion part, wherein the rectilinear motion part is positioned between the seedling gripper opening / closing part and the fixing part; the rectilinear motion part is connected with the seedling gripper opening / closing part and the fixing part; the seedling gripper opening / closing part comprises a seedling gripper, L-shaped connecting rods, a front fixing rod, connecting rods and a rear fixing rod; the seedling gripper is positioned at the most front end of the seedling gripper opening / closing part; the front fixing rod is arranged behind the seedling gripper; the front fixing rod is positioned in front of the rear fixing rod; each L-shaped connecting rod consists of a vertical rod and a horizontal rod which are in a vertical connection; the vertical connecting parts of the L-shaped connecting rods are hinged with the rear end of the seedling gripper; free ends in high positions are hinged with the rear fixing rod through the connecting rods; free ends in low positions are hinged with the front fixing rod. The seedling inserting device is simple in structure, convenient to operate and long in service life, automatic seedling insertion of the kelp seedling gripper can be achieved, and the seedling insertion efficiency of a seedling inserting machine is improved.

The invention provides a self-expanding locking interface implant package. The self-expanding locking interface implant package comprises an implant and an abutment, one end of the implant is provided with an inner concave groove body, an outer convex pipe body is formed at one end of the abutment, an elastic piece, and internally provided with a hole body; the self-expanding locking interface implant package also comprises an embedded body, the embedded body is used for being matched with the hole body in a nested mode, after the outer convex pipe body is elastically deformed in a matching process, and the outer convex pipe body and the inner concave groove body are matched in a nested mode to form an elastic connecting structure; an outer conical surface is formed on an outer side of the embedded body and a corresponding inner conical surface is formed on an inner side of the hole body; and when the inner conical surface is sleeved from a large-diameter end of the inner conical surface to a small-diameter end of the outer conical surface in an axial direction, a size of the outer convex pipe body is gradually expanded in a radial direction, and after the sleeving is completed, the outer convex pipe body and the inner concave groove body are connected in a complementary mode. By means of an elastic nesting fit of the embedded body and the outer convex pipe body, the outer convex pipe body and the inner concave groove body form the complementary concave-convex combined type elastic connecting structure, the abutment can be effectively prevented from disengaging, structural reliability is high, and stability is good.

The invention discloses an implant tooth structure based on SLM forming and a forming method thereof. The implant tooth structure comprises a tooth root used for implanting an implant into an alveolarsocket in a later period, a neck part used for making contact with gingiva to play a sealing role after an abutment is implanted in the later period, and a dental crown meshed with normal teeth. Thedental crown and the neck part jointly form an abutment structure of the clinical implant; wherein a counterbore and at least two first positioning pin holes are formed in the abutment structure, anda threaded hole and second positioning pin holes corresponding to the first positioning pin holes are machined in the tooth root; a screw penetrates through the counterbore and then is screwed into the threaded hole, and a positioning pin is installed between the first positioning pin hole and the second positioning pin hole. The invention further provides the forming method of the structure, thestructure obtained through forming greatly improves the initial stability of the implant and shortens the treatment period of a patient, meanwhile, the success rate of implantation is increased, and the pain of the patient is relieved.

The invention provides a method for preparing the surface of an implant with a multi-scale porous complex structure, which is a method for preparing the surface of a titanium-based implant with antibacterial and osteogenic functions. Treated by the method to simulate the morphology environment of new bone formation in the body under physiological conditions, this surface can not only accelerate the osseointegration of the implant surface and contribute to the long-term stability of the implant, but also has significant antibacterial properties, which can inhibit the infection at the initial stage of implantation , can further improve the success rate of planting. The present invention creates a micro-nano composite pure titanium implant surface with both osteogenic and antibacterial properties. It has a three-dimensional multi-scale complex structure implant surface, and the surface has a higher osteogenesis than SLA, which is the most widely used clinically. Activity and excellent antibacterial performance, has a wide range of application prospects. It is of great significance for expanding the indications for oral implants, shortening the course of implant restoration, reducing implant-related infections, and improving the success rate of implants.

The invention discloses an oral implant. The oral implant comprises an outer shell body and an implantation hole arranged inside the outer shell body, the outer shell body comprises a cylindrical mainbody part with an external thread, a circular truncated cone-shaped inclined shoulder part arranged on the top of the main body part, and a hemispherical spherical bottom part disposed at the bottomof the main body part. A first thread region and a second thread region are disposed on the main body part from the top to the bottom, and the pitch of the first thread region is smaller than the pitch of the second thread region. The implantation hole includes a tapered hole and an internal hexagonal hole, the tapered hole is arranged downward from the top end of the inclined shoulder part, the internal hexagonal hole is arranged at the bottom of the tapered hole, the cross-section of the internal hexagonal hole is internal hexagonal, and the maximum diameter of the inner hexagonal hole is smaller than the smallest diameter of the tapered hole. The oral implant has good initial stability and high planting success rate, and bacterial sealing of the implant and a base is good, the connection is more stable.

The invention discloses a fixing device for an oral cavity, a dental jaw tracker and an implantation navigation system. The fixing device comprises a first part, a second part and a connecting part for connecting the first part with the second part; the first part, the second part and the connecting part form a clamping space to clamp teeth in a non-implantation region; when the fixing device is in a clamped state, the connecting part is in an initial state; when the fixing device is in a removed state, the connecting part changes from the initial state to a deformation state to assist the first part and the second part in separation. The fixing device disclosed by the invention has the following advantages: (1) the fixing device can firmly fix the teeth in the non-implantation region andis hard to loosen, so that the navigation accuracy is improved; (2) a technician does not need to manufacture extra accessories; the implantation operation can be performed on the day, so that the implantation treatment period is shortened; (3) after a fixing device package is sterilized, the fixing device is unpacked and directly used; water bath heating is not needed, so that the risk of surgical infection is reduced, and the implantation success rate is increased; (4) the removal process is simple and convenient.

Disclosed is a bionic tooth implant, which comprises a titanium base (1), a porous titanium dioxide layer (2) permeated with polyurethane and a polyurethane layer (3) as bionic tooth peridontium. The porous titanium dioxide layer (2) permeated with polyurethane is located between the titanium base (1) and the polyurethane layer (3). The preparation method of the implant comprises: (1) the titanium base (1) is treated with acid, and then micron-sized titanium dioxide powder is deposited layer-by-layer onto the surface of the titanium base (1) using an electron beam melting technology to form a porous titanium dioxide layer; (2) a polyurethane prepolymer is prepared; (3) the polyurethane prepolymer is coated on the porous titanium dioxide layer, then the polyurethane prepolymer permeates into the holes of the titanium dioxide layer under vacuum conditions; (4) a composite material obtained in step (3) is soaked in a solution of chain extender, and a catalyst is added for reaction, after the reaction is completed, the composite material is taken out and dried.

The invention discloses an agricultural mechanized production method. The agricultural mechanized production method comprises the following steps: a) selecting the loosening permeable soil; b) fertilizing, seeding, earthing and rolling the loosening soil after the strip tillage; c) distributing the seeds to be strip-shaped along the length direction of the strip tillage during the seeding, wherein the width of the strip tillage is 1 / 3-1 / 8 of the seeding line spacing, and the depth of the strip tillage is 8-15 cm. The agricultural mechanized production method is capable of greatly saving the energy consumption of the tillage, reducing the labor cost of the planting, and directly improving the economic level, and the planting success rate is high.

The invention belongs to the field of breeding methods for perennial forage corn, and specifically discloses a method for improving the success rate of planting perennial forage corn, which mainly involves reducing the number of tillers to 30 to 50 after harvesting in autumn and before turning green in the next year. Plants are dug up, then cut from the base into individual stems, and established. The planting survival rate of the perennial forage corn in the method of the present invention can reach 94%, which is significantly higher than the 80% survival rate of the current spring green plant planting; secondly, the present method is beneficial to seedlings because of the early planting time growth and tillering, and a long growth time, therefore, the annual biological output can reach 94.45t / hm 2 , which is significantly higher than the biological yield of 81.34t / hm by the method of replanting green plants during the Spring Festival 2 In addition, the inventive method has a high survival rate, reduces heavy matters such as transplanting in spring, slowing down seedlings, checking seedlings and replanting, and significantly reduces production costs.

The invention relates to an osteotome sinus floor elevation reamer for dental implants. The reamer comprises a drill pipe, wherein a power connector is arranged at the tail end of the drill pipe, a hole is formed in the side surface of the front end of the drill pipe, a telescopic rod is arranged in the hole, the outer end of the telescopic rod penetrates out of the side surface of the drill pipe, abrasion patterns are arranged on the outer end surface of the telescopic rod, the inner end of the telescopic rod is hinged with one end of a connecting rod, the other end of the connecting rod is hinged with a rotating disc, the rotating disc is connected with a worm gear through a rotating shaft, the worm gear is meshed with a worm, one end of the worm penetrates out of the dill pipe, and a counterbore is formed in the end. The reamer has the obvious advantages as follows: the telescopic rod can stretch or retract, the local reaming requirement of the tail ends of drilled holes can be met, more bone substances can be arranged, the implanting success rate is high, and the reamer is safe.