CN111449807A - Method and device for judging applicability of nasal prosthesis, terminal equipment and storage medium - Google Patents
Method and device for judging applicability of nasal prosthesis, terminal equipment and storage medium Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/18—Internal ear or nose parts, e.g. ear-drums
- A61F2/186—Nose parts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/30943—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using mathematical models
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Abstract
The application belongs to the technical field of medical treatment, and particularly relates to a method and a device for judging the applicability of a nasal prosthesis, a terminal device and a storage medium. The method comprises the following steps: acquiring the tension of the skin of the nose of a humped nose object and the tension of a nose prosthesis to be implanted into the nose of the humped nose object; acquiring a nose body model and a nose skin model of the nose augmentation object; obtaining a virtual model of the nasal prosthesis; placing the virtual model between the nose body model and the nose skin model to obtain a nose humping effect image of the nose humping object; and determining whether the nose prosthesis is suitable for the nose augmentation object according to the tension of the skin of the nose, the tension of the nose prosthesis and the nose augmentation effect image. Through this application embodiment, can realize the automatic judgement of the suitability of each nose false body to help relevant personnel to select suitable nose false body for the augmentation rhinoplasty object.
Description
Technical Field
The application belongs to the technical field of medical treatment, and particularly relates to a method and a device for judging the applicability of a nasal prosthesis, a terminal device and a storage medium.
Background
With the development of medical technology and the improvement of living standard of people, more and more women pay attention to cosmetic surgery, the nose augmentation surgery accounts for about one fifth of the cosmetic surgery, and the nose augmentation surgery is filled between the nasal bone and the lower layer of the nasal bridge fascia of a person to be operated by means of a nose prosthesis so as to make up the nasal bone defect of the person to be operated and achieve the effect of cosmetic surgery. Therefore, the choice of nasal prosthesis is directly related to how good the augmentation of the nose is.
Generally speaking, before performing nose augmentation surgery for a nose augmentation, a physician selects a nasal prosthesis for the nose augmentation, for example, by using the hand walk on tiptoe to feel the tension that the nose augmentation skin can bear, and then selects the correct nasal prosthesis for the nose augmentation.
However, this approach relies heavily on the individual working experience of the physician, sometimes making it difficult to select a suitable nasal prosthesis.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present application and therefore may include information that does not constitute prior art known to a person of ordinary skill in the art.
Disclosure of Invention
In view of this, the embodiments of the present application provide a method and an apparatus for determining the applicability of a nasal prosthesis, a terminal device, and a storage medium, which can implement automatic determination of the applicability of each nasal prosthesis, thereby assisting relevant personnel in selecting an appropriate nasal prosthesis for a nasal augmentation subject.
In a first aspect of the embodiments of the present application, there is provided a method for determining the suitability of a nasal prosthesis, including:
acquiring the tension of the skin of the nose of a humped nose object and the tension of a nose prosthesis to be implanted into the nose of the humped nose object;
acquiring a nose body model and a nose skin model of the nose augmentation object;
obtaining a virtual model of the nasal prosthesis;
placing the virtual model between the nose body model and the nose skin model to obtain a nose humping effect image of the nose humping object;
and determining whether the nose prosthesis is suitable for the nose augmentation object according to the tension of the skin of the nose, the tension of the nose prosthesis and the nose augmentation effect image.
In some embodiments of the present application, the determining whether the nasal prosthesis is suitable for the augmentation rhinoplasty subject according to the tension of the skin of the nose, the tension of the nasal prosthesis, and the augmentation rhinoplasty image comprises:
taking the tension of the nose skin as an initial tension value of each first model contour point in the nose skin model;
taking the tension of the nasal prosthesis as an initial tension value for each second model contour point in the virtual model;
calculating to obtain a target tension value of each first model contour point and a target tension value of each second model contour point after the virtual model is placed according to the initial tension value of each first model contour point, the initial tension value of each second model contour point and deformation parameters generated by each model when the virtual model is placed;
and combining the target tension value of each first model contour point and the target tension value of each second model contour point to judge whether the nasal prosthesis is suitable for the nose augmentation object.
In some embodiments of the present application, said determining whether the nasal prosthesis is suitable for the augmentation rhinoplasty subject in combination with the target tension values for the respective first model contour points and the target tension values for the respective second model contour points comprises:
if the target tension value of one or more contour points in each first model contour point is greater than a preset first tension threshold value and/or the target tension value of one or more contour points in each second model contour point is greater than a preset second tension threshold value, determining that the nasal prosthesis is not suitable for the augmentation rhinoplasty object;
and if the target tension value of each first model contour point is less than or equal to the first tension threshold value and the target tension value of each second model contour point is less than or equal to the second tension threshold value, determining that the nasal prosthesis is suitable for the augmentation rhinoplasty object.
In some embodiments of the present application, after determining that the nasal prosthesis is suitable for the augmentation rhinoplasty subject if the target tension value of the respective first model contour point is equal to or less than the preset tension threshold value of the first model contour point and the target tension value of the respective second model contour point is equal to or less than the preset tension threshold value of the second model contour point, further comprising:
and if the deformation parameters generated by the models when the virtual models are placed are less than or equal to the preset deformation parameter threshold value, outputting a prompt message that the nasal prosthesis is a target nasal prosthesis of the augmentation rhinoplasty object.
In some embodiments of the present application, the obtaining a virtual model of the nasal prosthesis comprises:
receiving a target format file generated after a stereoscopic scanner performs stereoscopic scanning on the nasal prosthesis;
and analyzing the target format file to generate a virtual model of the nasal prosthesis.
In some embodiments of the present application, the obtaining of the tension of the skin of the nose of the nasal augmentation subject comprises:
receiving tension values of the nose skin of the nose humping subject sent by a plurality of tension meters;
calculating a first average of each nasal skin tension value transmitted by the plurality of tension meters;
determining the first average as the tension of the nose skin of the nasal augmentation subject.
In some embodiments of the present application, said obtaining tension of a nasal prosthesis to be implanted in the nose of the carina subject comprises:
receiving tension values of the nasal prosthesis sent by a plurality of tension meters;
calculating a second average of the individual nasal prosthesis tension values transmitted by the plurality of tension meters;
determining the second average as a tension of a nasal prosthesis to be implanted in the nose of the carina subject.
In a second aspect of embodiments of the present application, there is provided a nasal prosthesis suitability determination apparatus, the apparatus including:
the nose augmentation system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring the tension of the skin of the nose of a nose augmentation subject and the tension of a nose prosthesis to be implanted into the nose of the nose augmentation subject;
the second acquisition module is used for acquiring a nose body model and a nose skin model of the nose augmentation object;
a third obtaining module for obtaining a virtual model of the nasal prosthesis;
the simulation module is used for placing the virtual model between the nose body model and the nose skin model to obtain a nose humping effect image of the nose humping object;
a determination module for determining whether the nasal prosthesis is suitable for the augmentation nasal object according to the tension of the nasal skin, the tension of the nasal prosthesis and the augmentation nasal effect image.
In a third aspect of the embodiments of the present application, there is provided a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method for determining the suitability of a nasal prosthesis as described above when executing the computer program.
In a fourth aspect of the embodiments of the present application, there is provided a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the method for determining the suitability of a nasal prosthesis as described above.
In a fifth aspect of embodiments of the present application, there is provided a computer program product, which, when run on a terminal device, causes the terminal device to perform the steps of the method for determining the suitability of a nasal prosthesis as described above.
In the embodiment of the application, firstly, the tension of the skin of the nose of a nose humping subject, the tension of a nose prosthesis to be implanted into the nose of the nose humping subject, a nose body model and a nose skin model of the nose humping subject and a virtual model of the nose prosthesis are obtained; secondly, placing the virtual model between the nose body model and the nose skin model to obtain a nose humping effect image of the nose humping object; then, it is determined whether the nasal prosthesis is suitable for the rhinoplasty subject according to the tension of the skin of the nose, the tension of the nasal prosthesis, and the rhinoplasty effect image. Through this application embodiment, can realize the automatic judgement of the suitability of each nose false body to help relevant personnel to select suitable nose false body for the augmentation rhinoplasty object.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic flow chart of a method for determining the suitability of a nasal prosthesis according to an embodiment of the present disclosure;
fig. 2 is a flowchart illustrating a step S250 of a method for determining the suitability of a nasal prosthesis according to an embodiment of the present application;
FIG. 3a is an initial model state diagram of a nose body model provided in an embodiment of the present application;
FIG. 3b is a diagram of an initial model state before a virtual model of a nasal prosthesis is placed on a nasal body model according to an embodiment of the present application;
FIG. 3c is an initial model state diagram of a nasal skin model shown in addition to FIG. 3b provided in an embodiment of the present application;
FIG. 3d is a state diagram of a nose prosthesis after placement of a virtual model of the nose prosthesis on a nose body model as provided in an embodiment of the present application;
FIG. 3e is a state diagram of another model after placing a virtual model of a nasal prosthesis on a nasal body model as provided in an embodiment of the present application;
FIG. 3f is a diagram showing the hump nose effect after placing a virtual model of a nasal prosthesis on a nasal body model provided in an embodiment of the present application;
FIG. 4 is a block diagram of a nasal prosthesis suitability determination device according to an embodiment of the present application;
fig. 5 is a schematic block diagram of a terminal device in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to" determining "or" in response to detecting ". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
The method for determining the applicability of the nasal prosthesis provided in the embodiment of the present application may be applied to a mobile phone, a tablet personal computer, a wearable device, a vehicle-mounted device, an Augmented Reality (AR)/Virtual Reality (VR) device, a notebook computer, a super-mobile personal computer (UMPC), a netbook, a Personal Digital Assistant (PDA), and other terminal devices, and the embodiment of the present application does not limit the specific type of the terminal device.
For example, the terminal device may be a Station (ST) in the W L AN, which may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless local loop (Wireless L cal L oop, W LL) station, a Personal Digital Assistant (PDA) device, a handheld device with Wireless communication function, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a vehicle-networking terminal, a computer, a laptop computer, a handheld communication device, a handheld computing device, a satellite Wireless device, a Wireless modem card, a television Set Top Box (STB), a Customer Premises Equipment (CPE), and/or other devices for communication on a Wireless system and a next-generation communication system, such as a Mobile terminal in a 5G Network or a Mobile Network L in a Public land Mobile Network (MN) L and Mobile Network L of a future evolution, and the like.
By way of example and not limitation, when the terminal device is a wearable device, the wearable device may also be a generic term for intelligently designing daily wearing by applying wearable technology, developing wearable devices, such as glasses, gloves, watches, clothing, shoes, and the like. A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction and cloud interaction. The generalized wearable intelligent device has the advantages that the generalized wearable intelligent device is complete in function and large in size, can realize complete or partial functions without depending on a smart phone, such as a smart watch or smart glasses, and only is concentrated on a certain application function, and needs to be matched with other devices such as the smart phone for use, such as various smart bracelets for monitoring physical signs, smart jewelry and the like.
Fig. 1 is a schematic flow chart of a method for determining the suitability of a nasal prosthesis according to an embodiment of the present application, the method including:
s110, acquiring the tension of the skin of the nose of the humped nose object and the tension of a nose prosthesis to be implanted into the nose of the humped nose object.
It is understood that the subjects with hump nose refer to those unspecified persons who have a hump nose requirement. Generally, the tension of each contour point of the nose skin of a carina subject is equal in magnitude. Thus, the tension of the nasal prosthesis in the nose of the carina subject can be measured by using a tool in advance.
In one embodiment of the present application, the acquiring the tension of the skin of the nose of the nasal augmentation subject comprises:
firstly, receiving tension values of the nose skin of the nose humping subject sent by a plurality of tension meters;
secondly, calculating a first average value of each nasal skin tension value sent by the plurality of tension meters;
finally, the first average is determined as the tension of the skin of the nose of the nasal augmentation subject.
It can be understood that the above method can be performed by first measuring the tension values of different contour points of the nose hump object at the same time, and then calculating the mean tension value of the skin of the nose hump object; the tension value of a contour point of the humped nose object at different moments can be measured firstly, and then the mean tension value of the skin of the humped nose object nose is calculated. Of course, the tension values of different contour points of the humped nose object at different times can also be measured, and then the mean tension value of the skin of the humped nose object nose can be calculated, which is not particularly limited in the embodiment of the present application.
In one embodiment of the present application, said obtaining tension of a nasal prosthesis to be implanted in the nose of said carina subject comprises:
firstly, receiving tension values of the nasal prosthesis sent by a plurality of tension meters;
secondly, calculating a second average value of the tension values of the nasal prosthesis sent by the plurality of tension meters;
finally, the second average value is determined as the tension of the nasal prosthesis to be implanted in the nose of the carina subject.
It will be appreciated that the detailed description may be found in relation to the above description of obtaining nasal skin tension in a nasal subject.
It should be noted that the tension meter can be any type of tension meter, and during measurement, a measurer can hold the tension meter by hand, press the probe of the tension meter on the surface of the nasal prosthesis to be implanted or the nasal skin surface of the nose augmentation object, and read the tension value displayed by the tension meter.
S120, obtaining a nose body model and a nose skin model of the nose humping object.
It can be understood that the nose body model of the nose augmentation object is a virtual model corresponding to the tissue (in the embodiment of the present application, it may also be referred to as the hard tissue of the nose) below the surface skin of the nose augmentation object, and the tension value of each contour point in the nose body model does not change during the nose augmentation simulation, that is, the nose body model does not deform during the nose augmentation simulation. The nose skin model is a virtual model corresponding to the nose surface skin of the nose humping object, and the tension value of each contour point in the nose skin model changes in the nose humping simulation process, namely the nose skin model deforms in the nose humping simulation process.
It should be noted that the nose body model and the nose skin model of the hump nose object are two sub-models under the same nose model, that is, the nose body model and the nose skin model are combined into the nose model of the hump nose object.
In an embodiment of the present application, step S120 specifically includes the following steps:
firstly, receiving a target format file generated after a stereoscopic scanner carries out stereoscopic scanning on the nose of the nose augmentation object;
secondly, analyzing the target format file to generate a nose body model and a nose skin model of the nose augmentation object.
It will be appreciated that the stereo scanner may be any type of stereo scanner that a measurer may aim at the nasal skin of the nasal prosthesis or augmentation subject to be implanted to generate the target format file during scanning. The target format file is generally a standard file format of the three-dimensional image model, and may be an obj format file, for example. The object format file includes information such as the number and three-dimensional coordinates of each contour point in the three-dimensional image model.
When the target format file is analyzed, the target format file can be imported into application software such as meshlab and maya which can be used for nose augmentation simulation operation, so as to generate a nose body model and a nose skin model of the nose augmentation object.
It should be noted that, a specific process of importing the target format file into application software that can be used for nose augmentation simulation operation and generating a nose body model and a nose skin model of the nose augmentation object may refer to related technologies, and this is not particularly limited in the embodiment of the present application.
S130, obtaining a virtual model of the nasal prosthesis.
It is understood that the virtual model of the nasal prosthesis is a virtual model corresponding to the nasal prosthesis to be implanted into the nose of the augmentation rhinoplasty subject, and the tension values of the contour points in the virtual model of the nasal prosthesis are not changed in the augmentation rhinoplasty simulation process, i.e. the virtual model of the nasal prosthesis is not deformed in the augmentation rhinoplasty simulation process. However, when the virtual model of the nasal prosthesis is placed between the nose body model and the nose skin model, the tension values of the contour points in the nose skin model are changed, that is, the nose skin model is deformed during the nose augmentation simulation.
In an embodiment of the present application, step S130 specifically includes the following steps:
firstly, receiving a target format file generated after a stereoscopic scanner carries out stereoscopic scanning on the nasal prosthesis;
secondly, analyzing the target format file to generate a virtual model of the nasal prosthesis.
It is understood that the detailed description can refer to the related description of obtaining the nose body model and the nose skin model of the nose augmentation subject.
In another embodiment of the present application, the obtaining a virtual model of the nasal prosthesis comprises:
importing virtual model data corresponding to the nasal prosthesis from predetermined three-dimensional modeling software;
reconstructing a virtual model of the nasal prosthesis based on the virtual model data.
It should be noted that the predetermined three-dimensional modeling software may be any one of existing three-dimensional modeling software such as 3Dmax, CAD, SolidWorks, matlab, and the like, and this is not particularly limited in this embodiment of the present application.
S140, placing the virtual model between the nose body model and the nose skin model to obtain a nose humping effect image of the nose humping object.
It is understood that in the application software of the nose augmentation simulation operation, the virtual model can be placed at any position between the nose body model and the nose skin model, so as to obtain the nose augmentation effect image of the nose augmentation object. Specifically, in the application software of the nose augmentation simulation operation, a physical squeezing effect simulation software library engine can be utilized to simulate the nose augmentation squeezing effect based on the virtual model, the nose body model and the nose skin model and output the simulated effect. The application software for the nose augmentation simulation operation can acquire indexes such as tension values and deformation coefficients of all contour points of all models in the simulation process in real time, further acquire three-dimensional coordinates of all the contour points of the models at each moment, and generate a nose augmentation effect image of the nose augmentation object according to the three-dimensional coordinates of the contour points of all the models. Therefore, the user can visually and clearly observe the shape change of each model in the nose humping process.
S150, judging whether the nose prosthesis is suitable for the nose augmentation object or not according to the tension of the skin of the nose, the tension of the nose prosthesis and the nose augmentation effect image.
As shown in fig. 2, in an embodiment of the present application, S150 may include the following specific steps:
s210, taking the tension of the nose skin as an initial tension value of each first model contour point in the nose skin model.
It is understood that the acquired tension of the nose skin of the nose augmentation subject may be set as an initial tension value of each first model contour point in the nose skin model. The initial tension value of each first model contour point refers to the mutual traction force which exists in each first model contour point and is perpendicular to the contact surface of two adjacent contour points before each first model contour point performs nose humping simulation.
And S220, taking the tension of the nasal prosthesis as an initial tension value of each second model contour point in the virtual model.
Similarly, the acquired tension of the nasal prosthesis to be implanted in the nose of the augmentation rhinoplasty subject may be set as an initial tension value for each second model contour point in the virtual model.
And S230, calculating to obtain a target tension value of each first model contour point and a target tension value of each second model contour point after the virtual model is placed according to the initial tension value of each first model contour point, the initial tension value of each second model contour point and deformation parameters generated by each model when the virtual model is placed.
It can be understood that the deformation parameters generated by each model when the virtual model is placed refer to the deformation parameters generated by each model when the virtual model is placed between the nose body model and the nose skin model. Under the condition that the initial tension value of each first model contour point, the initial tension value of each second model contour point and deformation parameters generated by each model when the virtual model is placed are known, the target tension value of each first model contour point and the target tension value of each second model contour point after the virtual model is placed can be calculated according to the existing pressure and deformation basic principle formula.
S240, combining the target tension value of each first model contour point and the target tension value of each second model contour point to judge whether the nasal prosthesis is suitable for the augmentation rhinoplasty object.
In an embodiment of the present application, step S240 may include the following specific steps:
if the target tension value of one or more contour points in each first model contour point is greater than a preset first tension threshold value and/or the target tension value of one or more contour points in each second model contour point is greater than a preset second tension threshold value, determining that the nasal prosthesis is not suitable for the augmentation rhinoplasty object;
and if the target tension value of each first model contour point is less than or equal to the first tension threshold value and the target tension value of each second model contour point is less than or equal to the second tension threshold value, determining that the nasal prosthesis is suitable for the augmentation rhinoplasty object.
It will be appreciated that the tension threshold of the predetermined first model contour point is generally less than the tension threshold of the predetermined second model contour point, and the specific values of the two tension thresholds may be predetermined by the administrator before the augmentation nose simulation process begins or determined by other reasonable methods. When the target tension value of one or more contour points existing in each first model contour point is greater than a preset first tension threshold value and/or the target tension value of one or more contour points existing in each second model contour point is greater than a preset second tension threshold value, it indicates that the tension value of one or more contour points existing in each first model exceeds a maximum bearable tension range or the tension value of one or more contour points existing in each second model exceeds a maximum bearable tension range, so that the model structure of the part of contour points in the model is broken, and therefore, the nose prosthesis can be judged to be not suitable for the nose augmentation object. In addition, a prompt may be output that a target tension value for one or more contour points in each model exceeds a threshold value, so that a user may visually determine that the nasal prosthesis is not suitable for the augmentation nasal object.
Similarly, if the target tension value of each first model contour point is less than or equal to the first tension threshold value and the target tension value of each second model contour point is less than or equal to the second tension threshold value, it indicates that the first model and the second model are structurally complete, and thus it can be determined that the nasal prosthesis is suitable for the augmentation rhinoplasty subject. Additionally, a prompt may be output that the tension condition of each model contour point does not exceed a threshold value, such that a user may visually determine that the nasal prosthesis is suitable for the carina subject.
In an embodiment of the present application, after S340, the method further includes: and displaying the judgment result of the suitability of the prosthesis on a hump nose effect image interface.
In one embodiment of the present application, after determining that the nasal prosthesis is suitable for the augmentation rhinoplasty subject, further comprising:
and if the deformation parameters generated by each model when the virtual model is placed are less than or equal to a preset deformation parameter threshold value, outputting a prompt message that the nasal prosthesis is a target nasal prosthesis of the augmentation rhinoplasty object.
It will be appreciated that the deformation parameters generated by each model may be preset by an administrator prior to the beginning of the augmentation rhinoplasty simulation process or determined by other reasonable methods. If the deformation parameters generated by each model when the virtual model is placed are less than or equal to the preset deformation parameter threshold value, the nose augmentation simulation does not exceed the extrusion pressure bearing range of the nose tissues of the nose augmentation object, and the deformation is within the preset range, namely the nose augmentation effect can reach the expectation, so that the nose prosthesis can be determined to be the target nose prosthesis of the nose augmentation object.
In the embodiment of the application, firstly, the tension of the skin of the nose of a nose humping subject, the tension of a nose prosthesis to be implanted into the nose of the nose humping subject, a nose body model and a nose skin model of the nose humping subject and a virtual model of the nose prosthesis are obtained; secondly, placing the virtual model between the nose body model and the nose skin model to obtain a nose humping effect image of the nose humping object; then, it is determined whether the nasal prosthesis is suitable for the rhinoplasty subject according to the tension of the skin of the nose, the tension of the nasal prosthesis, and the rhinoplasty effect image. Through this application embodiment, can realize the automatic judgement of the suitability of each nose false body to help relevant personnel to select suitable nose false body for the augmentation rhinoplasty object.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
As shown in fig. 3a, the present application provides an initial model state diagram of a nose body model.
It should be noted that the tension value of each contour point in the nose body model of the nose augmentation object generally does not change in the nose augmentation simulation process, that is, the nose body model generally does not deform in the nose augmentation simulation process.
As shown in fig. 3b, the present application provides an initial model state diagram of a virtual model for placing a nasal prosthesis on a nasal body model; wherein, reference numeral 1 represents a nose body model, and reference numeral 3 represents a virtual model of the nose prosthesis. In fig. 3b, it can be observed that there is a gap space between the virtual model of the nasal prosthesis and the nasal body model, i.e. the virtual model of the nasal prosthesis and the nasal body model are not fitted.
As shown in fig. 3c, the embodiment of the present application provides an initial model state diagram additionally showing a nasal skin model on the basis of fig. 3 b; wherein, reference numeral 1 represents a nose body model, reference numeral 2 represents a nose skin model, and reference numeral 3 represents a virtual model of the nose prosthesis. In fig. 3c, it can be observed that there is a gap space between the virtual model of the nasal prosthesis and the nasal body model, and between the virtual model of the nasal prosthesis and the nasal skin model, i.e. the virtual model of the nasal prosthesis is not fitted to both the nasal body model and the nasal skin model.
The application software for nose augmentation simulation operation used in the embodiment of the application can set the acquired tension of the nose skin of the nose augmentation subject as the initial tension value of each first model contour point in the nose skin model. Similarly, the acquired tension of the nasal prosthesis to be implanted in the nose of the augmentation rhinoplasty subject may be set as an initial tension value for each second model contour point in the virtual model. In this way, tension attributes are given to the model contour points in each model.
As shown in fig. 3d, the present application provides a model state diagram after placing a virtual model of a nasal prosthesis on a nasal body model; wherein, reference numeral 1 represents a nose body model, and reference numeral 2 represents a nose skin model. In fig. 3d, it can be observed that the gap space between the nose body models and the nose skin model becomes smaller, which illustrates that the nose skin model deforms, presses the virtual model of the nose prosthesis and makes the virtual model of the nose prosthesis fit to the nose body model and the nose skin model gradually.
As shown in fig. 3e, the present application provides another model state diagram after placing a virtual model of a nasal prosthesis on a nasal body model; wherein, reference numeral 1 represents a nose body model, and reference numeral 3 represents a virtual model of the nose prosthesis. In fig. 3e, it can be observed that the virtual model of the nasal prosthesis substantially fits the nasal body model.
As shown in fig. 3f, the embodiment of the present application provides a hump nose effect display diagram after placing a virtual model of a nasal prosthesis on a nasal body model, wherein 2 represents a nasal skin model. In fig. 3f, the humping nose effect after placing the virtual model of the nasal prosthesis on the nose body model can be directly observed.
It should be noted that there is a mutual squeezing effect between the virtual model 3 and the nose skin model 2, there is a mutual squeezing effect between the nose body model 1 and the virtual model 3, there is no mutual squeezing between the nose body model 1 and the nose skin model 2, that is, the virtual model 3 is squeezed by the nose body model 1 and the nose skin model together, thereby completing the nose augmentation simulation process.
As shown in fig. 4, the present application provides a device for determining the suitability of a nasal prosthesis, the device including:
a first acquiring module 410 for acquiring the tension of the skin of the nose of a humped nose object and the tension of a nasal prosthesis to be implanted in the nose of the humped nose object;
a second obtaining module 420, configured to obtain a nose body model and a nose skin model of the nose augmentation subject;
a third obtaining module 430 for obtaining a virtual model of the nasal prosthesis;
the simulation module 440 is configured to place the virtual model between the nose body model and the nose skin model, so as to obtain a nose augmentation effect image of the nose augmentation object;
a determination module 450 for determining whether the nasal prosthesis is suitable for the augmentation rhinoplasty subject according to the tension of the nasal skin, the tension of the nasal prosthesis and the augmentation rhinoplasty effect image.
Further, the determining module may include:
a first initial tension value determining unit, configured to use the tension of the nose skin as an initial tension value of each first model contour point in the nose skin model;
a second initial tension value determination unit for taking the tension of the nasal prosthesis as an initial tension value for each second model contour point in the virtual model;
a target tension value calculating unit, configured to calculate, according to the initial tension value of each first model contour point, the initial tension value of each second model contour point, and a deformation parameter generated by each model when the virtual model is placed, a target tension value of each first model contour point and a target tension value of each second model contour point after the virtual model is placed;
a nasal prosthesis suitability determination unit for determining whether the nasal prosthesis is suitable for the augmentation nasal object by combining the target tension values of the respective first model contour points and the target tension values of the respective second model contour points.
Still further, the nasal prosthesis suitability determination unit may include:
a first determining subunit, configured to determine that the nasal prosthesis is not suitable for the augmentation rhinoplasty subject if the target tension values of one or more contour points existing in each first model contour point are greater than a preset first tension threshold and/or the target tension values of one or more contour points existing in each second model contour point are greater than a preset second tension threshold;
a second determining subunit, configured to determine that the nasal prosthesis is suitable for the augmentation rhinoplasty subject if the target tension value of each first model contour point is less than or equal to the first tension threshold and the target tension value of each second model contour point is less than or equal to the second tension threshold.
Further, the nasal prosthesis suitability determination device may further include:
and the prompt message output module is used for outputting a prompt message that the nasal prosthesis is a target nasal prosthesis of the augmentation rhinoplasty object if deformation parameters generated by the models when the virtual models are placed are less than or equal to a preset deformation parameter threshold value.
Further, the third obtaining module may include:
the file receiving unit is used for receiving a target format file generated after the three-dimensional scanner carries out three-dimensional scanning on the nasal prosthesis;
and the file analysis unit is used for analyzing the target format file to generate a virtual model of the nasal prosthesis.
Further, the first obtaining module may include:
the first tension value receiving unit is used for receiving the tension values of the nose skin of the nose humping object sent by the plurality of tension meters;
the first tension value calculating unit is used for calculating a first average value of the nasal skin tension values sent by the tension meters;
a first tension value determining unit for determining the first average value as the tension of the nose skin of the nose humping subject.
Further, the first obtaining module may include:
a second tension value receiving unit for receiving tension values of the nasal prosthesis transmitted by a plurality of tension meters;
a second tension value calculation unit for calculating a second average value of the respective nasal prosthesis tension values transmitted by the plurality of tension meters;
a second tension value determination unit for determining the second average value as the tension of a nasal prosthesis to be implanted in the nose of the carina object.
It should be noted that, for the information interaction, execution process, and other contents between the above-mentioned devices/units, the specific functions and technical effects thereof are based on the same concept as those of the embodiment of the method of the present application, and specific reference may be made to the part of the embodiment of the method, which is not described herein again.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses, modules and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Embodiments of the present application also provide a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the steps of the method for determining the suitability of a nasal prosthesis as described above.
Embodiments of the present application also provide a computer program product, which, when run on a terminal device, causes the terminal device to perform the steps of the method for determining the suitability of a nasal prosthesis as described above.
Fig. 5 shows a schematic block diagram of a terminal device provided in an embodiment of the present application, and only shows a part related to the embodiment of the present application for convenience of description.
As shown in fig. 5, the terminal device 5 of this embodiment includes: a processor 50, a memory 51 and a computer program 52 stored in said memory 51 and executable on said processor 50. The processor 50 executes the computer program 52 to implement the steps of the above-mentioned methods for determining the suitability of the nasal prosthesis, such as steps S110 to S250 shown in fig. 1, or the processor 50 executes the computer program 52 to implement the functions of the modules/units in the above-mentioned embodiments of the apparatus, such as the modules 410 to 450 shown in fig. 4.
Illustratively, the computer program 52 may be partitioned into one or more modules/units, which are stored in the memory 51 and executed by the processor 50 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 52 in the terminal device 5.
The terminal device 5 may be any type of terminal device 5. It will be understood by those skilled in the art that fig. 5 is only an example of the terminal device 5, and does not constitute a limitation to the terminal device 5, and may include more or less components than those shown, or combine some components, or different components, for example, the terminal device 5 may further include an input-output device, a network access device, a bus, etc.
The Processor 50 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 51 may be an internal storage unit of the terminal device 5, such as a hard disk or a memory of the terminal device 5. The memory 51 may also be an external storage device of the terminal device 5, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the terminal device 5. Further, the memory 51 may also include both an internal storage unit and an external storage device of the terminal device 5. The memory 51 is used for storing the computer programs and other programs and data required by the terminal device 5. The memory 51 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/server and method may be implemented in other ways. For example, the above-described apparatus/server embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A method for determining the suitability of a nasal prosthesis, comprising:
acquiring the tension of the skin of the nose of a humped nose object and the tension of a nose prosthesis to be implanted into the nose of the humped nose object;
acquiring a nose body model and a nose skin model of the nose augmentation object;
obtaining a virtual model of the nasal prosthesis;
placing the virtual model between the nose body model and the nose skin model to obtain a nose humping effect image of the nose humping object;
and determining whether the nose prosthesis is suitable for the nose augmentation object according to the tension of the skin of the nose, the tension of the nose prosthesis and the nose augmentation effect image.
2. The method for determining the suitability of a nasal prosthesis according to claim 1, wherein the determining whether the nasal prosthesis is suitable for the rhinoplasty subject based on the tension of the skin of the nose, the tension of the nasal prosthesis, and the rhinoplasty effect image includes:
taking the tension of the nose skin as an initial tension value of each first model contour point in the nose skin model;
taking the tension of the nasal prosthesis as an initial tension value for each second model contour point in the virtual model;
calculating to obtain a target tension value of each first model contour point and a target tension value of each second model contour point after the virtual model is placed according to the initial tension value of each first model contour point, the initial tension value of each second model contour point and deformation parameters generated by each model when the virtual model is placed;
and combining the target tension value of each first model contour point and the target tension value of each second model contour point to judge whether the nasal prosthesis is suitable for the nose augmentation object.
3. The method for determining the suitability of a nasal prosthesis according to claim 2, wherein the determining whether the nasal prosthesis is suitable for the augmentation rhinoplasty subject in combination with the target tension value of each first model contour point and the target tension value of each second model contour point comprises:
if the target tension value of one or more contour points in each first model contour point is greater than a preset first tension threshold value and/or the target tension value of one or more contour points in each second model contour point is greater than a preset second tension threshold value, determining that the nasal prosthesis is not suitable for the augmentation rhinoplasty object;
and if the target tension value of each first model contour point is less than or equal to the first tension threshold value and the target tension value of each second model contour point is less than or equal to the second tension threshold value, judging that the nasal prosthesis is suitable for the augmentation rhinoplasty object.
4. The method for determining the suitability of a nasal prosthesis according to claim 3, further comprising, after determining that the nasal prosthesis is suitable for the rhinoplasty subject:
and if the deformation parameters generated by each model when the virtual model is placed are less than or equal to a preset deformation parameter threshold value, outputting a prompt message that the nasal prosthesis is a target nasal prosthesis of the augmentation rhinoplasty object.
5. The method for determining the suitability of a nasal prosthesis according to claim 1, wherein the obtaining of the virtual model of the nasal prosthesis includes:
receiving a target format file generated after a stereoscopic scanner performs stereoscopic scanning on the nasal prosthesis;
and analyzing the target format file to generate a virtual model of the nasal prosthesis.
6. The method for determining the suitability of a nasal prosthesis according to claim 1, wherein the acquiring the tension of the skin of the nose-augmentation subject includes:
receiving tension values of the nose skin of the nose humping subject sent by a plurality of tension meters;
calculating a first average of each nasal skin tension value transmitted by the plurality of tension meters;
determining the first average as the tension of the nose skin of the nasal augmentation subject.
7. The method for determining the suitability of a nasal prosthesis according to any one of claims 1 to 6, wherein the obtaining of the tension of the nasal prosthesis to be implanted in the nose of the carina subject comprises:
receiving tension values of the nasal prosthesis sent by a plurality of tension meters;
calculating a second average of the individual nasal prosthesis tension values transmitted by the plurality of tension meters;
determining the second average as a tension of a nasal prosthesis to be implanted in the nose of the carina subject.
8. A device for determining the suitability of a nasal prosthesis, the device comprising:
the nose augmentation system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring the tension of the skin of the nose of a nose augmentation subject and the tension of a nose prosthesis to be implanted into the nose of the nose augmentation subject;
the second acquisition module is used for acquiring a nose body model and a nose skin model of the nose augmentation object;
a third obtaining module for obtaining a virtual model of the nasal prosthesis;
the simulation module is used for placing the virtual model between the nose body model and the nose skin model to obtain a nose humping effect image of the nose humping object;
a determination module for determining whether the nasal prosthesis is suitable for the augmentation nasal object according to the tension of the nasal skin, the tension of the nasal prosthesis and the augmentation nasal effect image.
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, carries out the steps of the method for determining the suitability of a nasal prosthesis according to any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method for determining the suitability of a nasal prosthesis according to any one of claims 1 to 7.
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