36 results about "Nose prosthesis" patented technology

The invention discloses a method for in vitro establishment of special-shaped tissue engineering scaffolds, comprising steps as follows: (1) applying computer aided design to establish a digital model for special-shaped tissues or organs; (2) guiding the digital model acquired in the step (1) into a rapid prototyping machine for processing, to shape a solid female die for the special-shaped tissues; (3) adding biodegradable materials acceptable by the medical science into the solid female die gained in the step (2), to acquire a special-shaped tissue engineering scaffold. The special shapes are chosen according to the shapes of auricle, external nose, nose prosthesis, chin prosthesis and other human issues or organs. The special-shaped tissue engineering scaffold can be effectively compounded with the chondrocytes to finally form special-shaped tissue engineering cartilages. The invention also provides a detailed method of preparing tissue engineering auricle and external nose scaffolds and application thereof.

The composite type nasal prosthesis is characterized by that the back of nose of L-type or lance-type prosthesis made of solid silicone rubber material has an enlongated slot, a long strip body whichis made of bulky teflon material and correspondent to the enlogated slot. The present invention adopts the bulky teflon material with excellent compatibility with human body tissue in the key position-back of nose and apex of nose, after said material is implanted into human body, the human self-body tissue cell can be grown into bulky teflon material, so that it can effectively prevent the material from producing rejection, motion and ulceration, etc. at the same time it also can prevent light reflex, and can make the plasticized face form more natural and lifelike. The solid silicone rubberbose as base seat has a certain hardness, its cutting process is simple, and its implantation is more convenient, and its cost is low.

The invention discloses a nose humping method. The nose humping method comprises the 3D modeling steps that firstly, three-dimensional model data of the human face are collected; secondly, nose model data are intercepted; thirdly, original nose prosthesis model data are imported; fourthly, a nose prosthesis model pattern and a nose model pattern are overlapped; fifthly, the position of the nose prosthesis model pattern is adjusted, and an expected nose humping effect is achieved; sixthly, the difference set of the overlapped part of the nose prosthesis model pattern and the nose model pattern is intercepted from the nose prosthesis model pattern, a personalized nose prosthesis model is obtained, a virtual prosthesis model is formed, automatic equipment is used for machining an original nose prosthesis according to the prosthesis model data, and finally a personalized nose prosthesis the same as the prosthesis model in shape is formed. By means of the nose humping method, the requirement for the skill of a doctor is lowered, and the operation difficulty is lowered; the machined personalized nose prosthesis can be matched with the expected effect better.

The invention discloses a nose prosthesis and a manufacturing method thereof. The nose prosthesis comprises a nose bridge and a fixing combination structure arranged on the nose bridge. The nose bridge comprises an attachment side attached to the muscular tissue of the nose bridge of the human body and an outer lateral side attached to the skin tissue of the nose bridge of the human body. The fixing combination structure is a through-hole-set and / or column-line structure or a through-hole-set and counter-bore-set structure or a column-line and counter-bore-set structure arranged on the nose bridge. A whole arranging side or a part of the arranging side of the attachment side or the outer lateral side is formed by the top faces of column lines. The manufacturing method includes the step that the fixing combination structure which is the through-hole-set and / or column-line structure or the through-hole-set and counter-bore-set structure or the column-line and counter-bore-set structure arranged on the nose bridge is processed on the nose bridge through lasers, wherein the whole arranging side or a part of the arranging side of the attachment side or the outer lateral side is formed by the top faces of the column rows. According to the nose prosthesis and the manufacturing method, as the fixing combination structure is arranged on the nose bridge of the nose prosthesis, the nose bridge of the nose prosthesis is closely combined with the tissues of the nose of the human body, the defects that the nose bridge of the nose prosthesis is prone to moving, and nose shaping is prone to deformation are overcome, and the identification resistance of the cosmetic effect is improved.

The present invention provides a sacrum prosthesis comprising a prosthetic body comprising two first prosthesises and a second prosthesis connected between the two first prosthesises, and a screw and rod structure, wherein a first end of each first prosthesis is connected with the second prosthesis; the two first prosthesises and the second prosthesis are integrally molded; a second end of each first prosthesis extends in a direction away from the second prosthesis and is in contact with the ilium; the top of the second prosthesis is in contact with the lumbar vertebral body in a matching way; the screw and rod structure comprises connecting seats and rod bodies; the connecting seats are connected with the prosthetic body; and the rod bodies are fixed on the connecting seats. The technical scheme of the invention can effectively solve the problems that the supporting effect of a screw and rod system is unreliable and fatigue crack is liable to cause in the prior art.

The invention provides a method and device for preparing a nasal prosthesis, and relates to the field of nasal prosthesis preparing. The method comprises the following steps that an original three-dimensional image of a nose is obtained; according to the original three-dimensional image, the three-dimensional simulation image after processing the nose is constructed; the nasal prosthesis is determined based on the original three-dimensional image and the three-dimensional simulation image; according to the image of the nasal prosthesis, a printing command is sent to a printing device so that the three-dimensional model of the nose prosthesis is printed by the printing device; the nasal prosthesis is obtained by processing the autogenous costal cartilage in a carving mode based on the three-dimensional model of nasal prosthesis. According to the method and device for preparing the nasal prosthesis, the technical problem that the rhinoplasty effect is not ideal in the prior art is solved.

A foot prosthesis having an upper part and a lower part, which is set on the ground as the user walks, one part being arranged on top of the other a certain distance away. The two parts are connected to each other at the tip of the foot. The upper part and the lower part are formed by a one-piece component. In the area near the heel, an elastic damping element is arranged between the upper part and the lower part and is connected to the upper part and / or to the lower part. A compressible but longitudinally strong connecting element, which connects the upper part to the lower part, and which is guided through a recess in the damping element, is provided.

The invention relates to an allogenic decalcified bone and silica-gel particle combined material for nose plastic filling and a preparation method of such material. The allogenic decalcified bone and silica-gel particle combined material comprises a nasal bone matrix prepared from silica-gel particles, and the nasal bone matrix comprises a nasal tip, a nasal columella and a nose bridge, wherein the nose bridge is connected with the nasal columella through the nose tip. A narrowed transition segment is arranged between the nose bridge and the nose tip and is narrower than the nose bridge, the nasal bone matrix is provided with a hollow-out body filled with an allogenic decalcified bone so as to lighten the structure, and the surface of the nasal bone matrix is distributed with a plurality of pores densely. The allogenic decalcified bone and silica-gel particle combined material has the advantages that through the design of nose bridge segments, a prosthesis can be in close contact with a nose bone, and displacement or wear is avoided; body fluid can flow into the pores in the nose bridge to promote growth of human tissues and stable integration of a nose and the nose prosthesis, and accordingly the nose prosthesis can be protected from moving, shedding and ulcerating, and postoperative pain of a patient is prevented. The preparation method is applicable to treatment of autogenous cartilages and alloplastic bones.

The invention relates to a material used for an autologous cortical bone synostosis silica gel particle for nasal plasty and a preparation method of the material. The material structurally comprises a nasal bone base body made of the silica gel particle, the nasal bone base body comprises an apex nasi, a columella nasi and a nose ridge, the nose ridge is connected with the columella nasi through the apex nasi; the lower part of the nose ridge comprises two nose ridge sections arranged in a V shape in a crossing manner, a nasal bone of a human body is located between the two nose ridge sections to ensure that a prosthesis does not displace or abrade, the nasal bone base body is provided with a hollow body, and the hollow body is filled with an autologous cortical bone. The material and the preparation method have the beneficial effects that due to the design of the nose ridge section, the prosthesis is tightly in contact with the nose bone and does not displace or abrade; and a body fluid flows into a hole in the nose ridge to grow a human tissue, so that the stable fusion of the nose and the nose prosthesis is promoted, the nose prosthesis is prevented from moving, falling off or festering, and the pain of a patient is prevented after the operation. The method is suitable for treating the autologous or allogeneic bone synostosis silica gel particles.

The present method of nose-lifting material includes the following steps: soaking the tooth separated from human body in hydrochloride acid whose concentration is 5%-20% to make demineralization, then cutting the tooth body into leaflet from or firstly cutting the tooth body into leaflet form, then soaking it in hydrochloric acid to make demineralization; the connecting the demineralized leaflet tooth tissue into hump nose prosthesis by means of titanium wire; finally regulating and grinding the hump nose prosthesis into individual prosthesis according to the facial model. Said invention uses human tooth as main raw material, the decalcified tooth body can be arbitrarily moulded according to the requirment, and possesses good tissue compatibility, and possesses good affinity with peripheral tissue, after it is transplanted, it is not easy to be absorbed.

The invention discloses a rhinoplasty device and method based on a nasal prosthesis, and belongs to the technical field of plastic equipment. The rhinoplasty device comprises a stripping tool bit, a bearing main body, a supporting and wrapping part, a handle and a breather pipe, the stripping tool bit is arranged at the front end of the bearing main body, the handle is arranged at the rear end of the bearing main body, the supporting and wrapping part is hinged to the bearing main body, the breather pipe is arranged in the handle, a first port of the breather pipe communicates with an external air conditioning structure, and a second port of the breather pipe communicates with the supporting and wrapping part. The supporting and wrapping part and the breather pipe are utilized, and the breather pipe is inflated and deflated through the external air conditioning structure, so that the prosthesis is left in the nasal cavity of a patient. The structure is flattened, only the containing space for the air bag structure and the nasal prosthesis is reserved in the containing cavity, excessive opening of a nasal incision of a patient is avoided, pain of the patient is reduced, and wound healing can be accelerated. The device is simple in structure and convenient to operate and can be operated by one hand.

The invention discloses a preparation method of nose prosthesis by using a gold triangular nose carving technology and a use method thereof. The method comprises the following steps: acquiring three-dimensional original data of the head shape of a patient; designing a preoperative 3A scheme in three aspects of aesthetic appreciation, dissection and analysis, establishing an oriental gold four-digit triangle aesthetic system, a 3D data measurement evaluation system, an autologous tissue sampling system, an exclusive muscle subsidence preoperative evaluation system and a three-level full-nose scheme design system, and constructing a three-dimensional simulation image after nose processing; and realizing the whole design around the large gold triangle of the nose. According to the invention,the problem that nasal septum cartilage and auricular cartilage cannot be applied to the nose is solved; whole-nose fine carving is carried out specially for oriental nose problems, exclusive design is carried out according to different personal occupations, ages, facial forms, requirements and the like, 75 nose problems such as oriental nose root collapse, low and flat nose bridge, wide nose dorsum and low nose tip can be solved in a one-stop mode, the postoperative effect is natural and harmonious, and complications hardly exist.

The invention relates to an allogeneic decalcified bone and titanium stent combined material for rhinoplasty filling and a preparation method of the allogeneic decalcified bone and titanium stent combined material. The structure comprises a nasal bone matrix made of a titanium alloy, wherein the nasal bone matrix comprises a nose tip, a nose columella and a nose bridge, and the nose bridge is connected with the nose columella through the nose tip; the surface of the nasal bone matrix is densely covered with multiple holes; hollow bodies are formed in the nasal bone matrix and filled with allogeneic decalcified bones, so that the weight of the structure is reduced. The material has the beneficial effects as follows: by means of the designed bone bridge section, and a prosthesis is tightly contacted with the nasal bones and is prevented from displacement or abrasion; by the aid of the holes in the nose bridge, the body fluid can flow into the holes, human tissue is promoted to grow into the holes, the nose and the nose prosthesis are integrated stably, the nose prosthesis is prevented from moving, falling off and festering, and pain of a patient after surgery is prevented. The method is applicable to allogeneic decalcified bone treatment.

The invention relates to an autogenous cartilage and titanium framework combined material for nose plastic filling and a preparation method of such material. The autogenous cartilage and titanium framework combined material comprises a nasal bone matrix prepared from a titanium alloy, and the nasal bone matrix comprises a nasal tip, a nasal columella and a nose bridge, wherein the nose bridge is connected with the nasal columella through the nose tip. A narrowed transition segment is arranged between the nose bridge and the nose tip and is narrower than the nose bridge, the lower portion of the nose bridge is composed of two intersectional V-shaped nose bridge segments, a nose bone of a human body is positioned between the two nose bridge segments, and the nasal bone matrix is provided with a hollow-out body filled with autogenous cartilages. The autogenous cartilage and titanium framework combined material has the advantages that through the design of the nose bridge segments, a prosthesis can be in close contact with the nose bone, and displacement or wear is avoided; body fluid can flow into pores in the nose bridge to promote stable integration of a nose and the nose prosthesis, and accordingly the nose prosthesis can be protected from moving, shedding and ulcerating, and postoperative pain of a patient is prevented. The preparation method is applicable to treatment of autogenous cartilages and alloplastic bones.

The embodiment of the invention discloses a traceless plastic rhinoplasty device and a rhinoplasty method, and belongs to the technical field of nasal plastic surgery. A handle and a bearing body areintegrally formed, a stripping tool bit is arranged at the front end of the bearing body, a containing groove is formed in the upper end of the bearing body, a supporting mechanism is arranged in thecontaining groove, a sliding mechanism is arranged at the upper end of the handle, the supporting mechanism is in transmission connection with the sliding mechanism through a lever, an adsorption mechanism is arranged on the supporting mechanism, and a pulley mechanism is arranged in the adsorption mechanism. The rhinoplasty reshaping incision and the nose prosthesis implantation process are integrated, the in-out frequency of a reshaping tool at the nose bridge is reduced, the pollution probability is reduced, and the pain of a patient is relieved; and meanwhile, the nasal prosthesis can be implanted in place at a time, stable sliding supporting of the nasal prosthesis is achieved through the pulley mechanism, the bearing body can be conveniently moved out step by step, displacement of the nasal prosthesis cannot be caused, and the accuracy of rhinoplasty reshaping is guaranteed. The rhinoplasty reshaping device is ingenious in structural design and convenient and efficient to use, the rhinoplasty reshaping process is accelerated, and the rhinoplasty reshaping stability is improved.

The false nose setting pliers include handles, handle bodies and pliers heads. The pliers heads are two corresponding rectangular plates with arced top, slot and hole in the front end, and after the two plates are closed, some interval is left in between. Or, the pliers heads are two corresponding rectangular plates smoothly bent in the same direction and with arced lug, and after the two plates are closed, some arced interval is left in between. The present invention as one special operation tool is used in setting soft false nose during nose augmenting operation, and may be used to set false nose accurately.

The application belongs to the technical field of medical care, and particularly relates to a method and device for judging applicability of nose prosthesis, terminal equipment and a storage medium. The method comprises the steps of obtaining pulling force of the nose skin of a target being subjected to augmentation rhinoplasty and pulling force of a nose prosthesis to be implanted into the nose of the target being subjected to augmentation rhinoplasty; obtaining a model of the nose of the target to be subjected to augmentation rhinoplasty, and a nose skin model; obtaining a virtual model of the nose prosthesis; placing the virtual model between the model of the nose and the nose skin model to obtain an augmentation rhinoplasty effect image of the target to be subjected to augmentation rhinoplasty; and according to the pulling force of the nose skin, the pulling force of the nose prosthesis and the augmentation rhinoplasty effect image, judging whether the nose prosthesis is suitable for the target to be subjected to augmentation rhinoplasty or not. Through the embodiment of the application, automated judgment of the applicability of each nose prosthesis can be realized, so that relevant staff can be assisted to select an appropriate nose prosthesis for the target to be subjected to augmentation rhinoplasty.

The invention relates to a hand prosthesis comprising a chassis to which a plurality of finger prostheses are articulated, said finger prostheses being movable about at least one swiveling axis relative to the chassis and towards each other by means of a drive. The aim of the invention is to provide a hand prosthesis which has a simple control mechanism, works reliably and can be produced at low cost. For this purpose, the force transmission devices (10) on a common drive (6) are coupled to the finger prostheses (3, 4, 5) in such a manner that starting from a rest position and depending on the direction of rotation of the drive (6) at least two finger prostheses (3, 4, 5) go through different angles of adjustment relative to the chassis (2).

The degradable nose restoration based on 3d printing comprises a main body and a nose tip support, fixing strips are uniformly arranged at the two ends of the interior of the main body, first fixing holes are uniformly formed in one sides of the fixing strips, first reinforcing strips are fixedly connected to the two ends of the interior of the main body, and second reinforcing strips are fixedly connected to the two ends of the interior of the main body. A nose tip support is fixedly connected to the bottom end of the main body, a nose tip hole is formed in the nose tip support, a stabilizing structure is arranged on the outer side of the nose tip support, and a degradation structure is arranged in the main body. The main body is internally provided with the polycaprolactone, the polycaprolactone, the bone collagen layer and the polylactic acid base material all have biodegradable performance, after the human body is repaired for a period of time, the polycaprolactone is degraded and fused into the human body, no residue is left in the human body, the recovery effect is better, the bone collagen layer can supplement collagen needed by the skin, and the skin care effect is better. The repairing speed is accelerated.

The invention designs a bone prosthesis and particularly relates to a middle tibia prosthesis. The middle tibia prosthesis comprises a main section and a fixing section, wherein the front end surface, facing a human body, of the main section is inwards recessed, and the fixing section is divided into an upper fixing section and a lower fixing section which are connected through the main section. The middle tibia prosthesis aims to solve the problem of bone coloboma of middle tibia, is good in fixing effect and high in bearing capability, cannot be easily infected and has certain resistance to front impact.

The invention discloses a nose prosthesis fixing device used for an augmentation rhinoplasty, and relates to surgical instruments for augmentation rhinoplasties. The nose prosthesis fixing device is necessary special equipment in the augmentation rhinoplasty. The nose prosthesis fixing device used for the augmentation rhinoplasty is composed of a base body, a pre-tightening screw and an elastic sheet. The pre-tightening screw is installed in the middle of the base body, the elastic sheet is inserted on a lead screw of the pre-tightening screw, and the tightness between the elastic sheet and the base body and the positions of the elastic sheet and the base body are adjusted through the pre-tightening screw. A periosteum detaching knife is arranged at the front end of the base body, and a knife edge of the periosteum detaching knife turns upwards. A strip-shaped through groove is formed in the position between the periosteum detaching knife and the pre-tightening screw, and the other end of the base body is provided with a handle convenient to hold. The top end of the periosteum detaching knife is arc. The elastic sheet is a strip-shaped sheet from wide to narrow and is provided with an arc-shaped arcuate face, and the end, connected to the pre-tightening screw, of the elastic sheet is wider than the other end of the elastic sheet.

The invention discloses a silicone rubber nasal implant. The silicone rubber nasal implant comprises a nasal head part and a nasal back part, wherein the nose head part is provided with a connecting part, and the nose back part is also provided with a connecting part; the connecting part of the nose head part and the connecting part of the nose back part can be mutually connected and tightly matched, so that the nose head part and the nose back part are integrated to form the nose implant; the integrally connected nose implant forms at least one cavity in the nose part, and the at least one cavity is wrapped in the material of the nose implant; the nose back portion includes a belly portion facing downward to muscular tissue and a back portion facing outward to skin, the belly portion of the nose back portion being provided with an anti-slip slot to prevent post-operative displacement of the nasal implant. According to the nasal implant, at least one cavity is formed in the nose part, so that the nose part can be prevented from becoming red and hard, and the nose part can be kept soft for a long time after an operation.

The invention discloses a three-dimensional bionic nose beautifying method. During surgery, a minor incision is formed on the inner side wall of a nostril or a nasal columella and a nose prosthesis is embedded into the lower part of a nose back deep fascia. The surgery is finished within 30 minutes. A seamless effect can be achieved after the surgery. Stitches are removed 5 to 7 days after the surgery and stitch removing time is shortened. A nose is perfectly matched with the whole facial form and the five sense organs; the root of the nose is naturally jointed with a forehead and superciliary arches; the back of the nose is plump, thick and non-glare; and the tip of the nose is stiff and smooth and has strong stereoscopic impression. Perfect arcs are formed on a front side and double side faces. The problem of the conventional single individual aesthetics orientation of a doctor is solved based on three-dimensional design concept before the surgery and oriental aesthetics standard and the defect of the conventional hump nose aiming at a high nose is overcome through individual designs of personnel temperament, shape of face, the five sense organs and the like. The new concept of beautifying the nose in a projecting, smooth, pretty and concordant way is created. The surgery causes a minor incision, adopts internationally natural and safe prosthesis materials and beautifies a customer in a relaxed, safe and easy way.

The invention provides a novel rhinoplasty method which comprises the following steps: model building: recognizing a human face and extracting a nose model to carry out nose prosthesis model building optimization, and generating a nose prosthesis model; formulating an operation plan, determining a specific operation plan through physical examination analysis, the operation plan, data analysis and the like, and establishing an operation emergency plan; making preoperative preparation: performing necessary preoperative preparation such as safety measure protection, nasal prosthesis manufacturing, nasal cavity cleaning and the like; performing an operation according to the operation scheme; and performing postoperative nursing: disinfecting and sterilizing the surgical wound and covering the skin of the wound. Compared with the prior art, the rhinoplasty frame body has the advantages that the rhinoplasty frame body is more convenient to manufacture, the possibility of nose perforation after an operation is reduced, and exclusion or postoperative syndromes cannot be generated; meanwhile, nose prosthesis modeling can better meet the requirements of customers, and a customer can be matched with a doctor to manufacture the most satisfactory nose prosthesis, so the satisfaction degree is improved, and the operation requirements of the doctor are reduced.