32 results about "Nasal prosthesis" patented technology

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.

An internal nasal prosthesis of unitary construction. The prosthsis has three distinct segments, an arched medial segment and two lateral appendages on each end of the medial segment. Each appendage of this prosthesis is the mirror image of the other and is inclined at a compound angle, relative to said arched medial segment, so that each of said appendage is inclined, at an angle, into the plane of the page, of at least about 30 degrees, and at an angle, relative to the horizontal plane of the medial section, of about 90 degrees; and

The invention discloses a nasal prosthesis. The nasal prosthesis comprises a nasal tip, a nasal columella and a noise bridge, wherein the nose bridge is connected with the nasal columella through the nasal tip, the nose bridge comprises a surface layer used for finalizing the shape and an attaching layer used for being attached to the nose, and the hardness of the attaching layer is smaller than that of the surface layer. According to the nasal prosthesis, because the hardness of the attaching layer is smaller than that of the surface layer, after the attaching layer is attached to the nose, the shape can be adjusted more easily according to the contour of the nose, a gap between the nose bridge and the attaching layer is filled in, and even though processing accuracy is low, the attaching layer can be effectively attached to the nose. The nasal prosthesis is simply engraved by a doctor and even can be used without being engraved, much work is saved, efficiency is improved, the requirement for the engraving skill is lowered, and operative difficulty and cost can be reduced easily. The surface layer of the nasal prosthesis is made of hard materials and can be used for being well shaped, and it is guaranteed that the nasal type is stable and the nasal prosthesis is not likely to be sunken or unsmooth. Thus, while the attaching degree is improved, the postoperative effect is guaranteed.

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.

The invention discloses a method for laser engraving of a nasal prosthesis. The nasal prosthesis is fixed, the nasal prosthesis and a laser engraving range are within the same straight line range, nasal prosthesis model data are imported into a laser device, to-be-eliminated nasal prosthesis eliminating data in the model data are selected, and according to the eliminating data, the laser device emits lasers to carry out layer peeling on the nasal prosthesis until the nasal prosthesis forms a preset shape. By using the laser device to carry out the layer peeling on the nasal prosthesis, unneeded parts of the nasal prosthesis can be accurately eliminated, needed parts can be reserved, the processing accuracy of a laser beam is much higher than the processing accuracy of an operating knife, and the interference of human factors does not exist. If the model data and the eliminating data are accurate enough, the nasal prosthesis can be accurately eliminated, and the nasal prosthesis can be in accordance with the preset shape so that the reserved nasal prosthesis can be perfectly fitted on the nose. The fitting degree of the nasal prosthesis and the nose is greatly improved, and the post-operation risk is lowered. The method does not depend on the professional eliminating skill of doctors, the doctors with general operational ability can carry out implementation, and the implementation difficulty of the method is lowered.

The invention discloses a nasal prosthesis. The nasal prosthesis comprises a nose back, a nose tip and a nasal columella, and the nose back is provided with an inner concave surface and an outer convex surface; multiple tooth-shaped grooves are formed in the two side edges of the nose back respectively, and multiple through holes are distributed in the middle of the nose back in the length direction of the nose back and run through the inner concave surface and the outer convex surface of the nose back; circular holes which run through the left and right side faces of the nose tip are formed in the nose tip, a crescent nose protection wing is fixed to the portion, close to the tip portion of the nose tip, on the outer surface of smooth transition connection of the nose tip and the outer convex surface of the nose back, the nose protection wing and the nose tip form a T shape, and the nose protection wing is provided with an arc outer surface of smooth transition; the nasal columella isprovided with an inclined surface which is aslant connected with the inner concave surface of the nose back, and an included angle between the inclined surface and the inner concave surface of the nose back is an obtuse angle. According to the nasal prosthesis, natural transition between the nasal prosthesis and the nasal tissue of the human body can be achieved, an obvious contour line cannot exist, the nasal prosthesis and the nasal tissue of the human body are gradually connected into an entirety along with time, the nasal prosthesis is stable in structure after healing, and displacement cannot occur.

The invention discloses a nasal bone prosthesis alete implantation device, and belongs to the technical field of orthopedic equipment. The nasal bone prosthesis alete implantation device includes a drive part and a guide part, wherein the guide part is coaxially connected to the end part of the drive part in a screwed mode, the drive part and the guide part communicate with each other, and a firstchannel and a second channel which communicate with each other are arranged on the central axis of a drive cylinder of the drive part; a driving rod penetrates through the interior of the first channel, a power component is arranged on the outer wall of the first channel, and the power component is connected with the driving rod in a transmission mode; the second channel communicates with the guide part, the guide part includes a guide cylinder, a guide opening and a spreading mechanism, and one end of the guide cylinder is connected with the guide cylinder in a screwed mode; the guide opening is formed in the other end of the guide cylinder, the spreading mechanism is arranged on the guide cylinder, and one end of the spreading mechanism communicates with the second channel; and the other end of the spreading mechanism extends externally out of the guide opening. The nasal bone prosthesis alete implantation device has an exquisitely designed structure, convenient use, simple operation and a good effect of nasal prosthesis implantation, surgical marks are reduced, and the aesthetic appearance of plastic surgeries is improved.

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 provides a device capable of expanding nasal tip tissue. The device comprises a fixed entity capable of being implanted into the tissue, an expansion bag capable of being implanted into the tissue and a pipeline, wherein the fixed entity can be punctured and still achieve sealing after being punctured; the expansion bag is located at the front end of the fixed entity; a main body component of the pipeline is arranged in the fixed entity; the pipeline is provided with an outlet and an injection opening; the outlet of the pipeline communicates with the expansion bag; and a given object injected after the fixed entity is punctured enters the injection opening of the pipeline, passes through the pipeline and enters the expansion bag from the outlet of the pipeline. The device provided by the invention can be used for effectively treating short nose deformity and nasal tip defects, which are caused by dysplasia or trauma, and can be used for preventing complications caused by the reason that a nasal prosthesis penetrates through nasal tip skin after a rhinoplasty operation.

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 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 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 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 clamp for plastic surgery. The clamp comprises a lower clamping piece, an upper clamping piece and a nose prosthesis, wherein a connecting rotating shaft is installed betweenthe lower clamping piece and the upper clamping piece, a hoop is sleeved outside the lower clamping piece and the upper clamping piece, a top end of the upper clamping piece is fixedly connected withthe hoop, and a fixing rod is installed at a fixing end of the hoop in a threaded mode. According to the clamp for plastic surgery and a using method of the clamp, a side fixing piece tightly attached to a vertical end of the nasal prosthesis is arranged, force can be applied by the side fixing piece when a nasal tip end of a person undergoing the surgery is attached, the nasal prosthesis at thenasal tip end is perfectly attached firstly, meanwhile, a retractable auxiliary clamping piece can prevent the auxiliary clamping piece and the upper clamping piece from continuing to clamp a horizontal end of the nasal prosthesis, and the horizontal end falls onto the nasal bridge of the person undergoing the surgery, so that the fitting work can be completed. The clamp simplifies the operation process, improves the operation precision, thereby reducing the burden on a doctor and reducing the difficulty of the surgery, meanwhile has a simple structure and a reasonable design, thus is easy topromote.

There is provided herein a bone anchored implant that is used to support a nasal prosthesis in patients with a missing external nose. The implant consists of central section (which is preferably generally triangular) suspended within the aperture of the nasal cavity by four fixation arms which extend radially to engage the surrounding maxillary bone. The triangular portion may support three fixation points, one at each corner of the triangular portion, which in turn, directly engage the nasal prosthesis either via magnets or mechanical locking interface. Extending radially from the triangular section, the four fixation arms may flatten to a clover leaf arrangement of three apertures which accommodate micro-screws that secure the implant to the surrounding maxillary bone.

The present invention relates to a nose implant manufacturing method, the nose implant manufacturing method, according to the present invention, comprising the steps of: acquiring a three-dimensionalimage of the nasal bones and a three-dimensional image of the nasal cavity; modeling nasal cartilages by applying, to the three-dimensional image of the nasal bones and the three-dimensional image ofthe nasal cavity, information of the anatomy between the nasal bones and the nasal cavity and the nasal cartilage; and from the three-dimensional image of the nasal bones and the modeled nasal cartilage, modeling an inner form to which an implant is mounted.

The invention discloses a nose prosthesis which comprises a nose bridge; the nose bridge comprises an attaching face attached to nose bridge tissue of a human body and an outer side face attached to skin tissue of the nose bridge of the human body; the outer side face comprises a plurality of blind holes formed at intervals; the blind holes are obliquely arranged; on the outward side of the outer side face, the axis of the obliquely-arranged blind holes are located below a cross section, passing through the centers of ports of the blind holes, of the nose prosthesis; and the inclination degree of the blind holes is within an inclination range that hydrops in the blind holes flow out of the blind holes under the gravity action of the hydrops due to inclination. According to the nasal prosthesis, the blind holes in the outer side face of the nose bridge are inclined downwards, so that liquid secreted by the human body after an operation and entering the blind holes can flow out of the blind holes, a nasal part after the operation is prevented from being red and swollen, muscular tissue of the human body can grow into the blind holes quickly, and postoperative fixation of the nasal prosthesis and postoperative recovery of an operated person are accelerated; and the structure is simple, and implementation is convenient.