CN110840641A - Individualized nose base shaper and manufacturing method thereof - Google Patents
Individualized nose base shaper and manufacturing method thereof Download PDFInfo
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- CN110840641A CN110840641A CN201911215803.8A CN201911215803A CN110840641A CN 110840641 A CN110840641 A CN 110840641A CN 201911215803 A CN201911215803 A CN 201911215803A CN 110840641 A CN110840641 A CN 110840641A
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- shaper
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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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
Abstract
The invention discloses an individualized nose base shaper and a manufacturing method thereof, wherein the manufacturing method comprises the following steps: a data acquisition step: acquiring three-dimensional data of facial soft tissues of a patient in different postures; model reconstruction: reconstructing a virtual three-dimensional model of the soft tissue of the patient's face from the acquired data; and a boundary determining step: drawing a curve of the range of the shaper according to the reconstructed three-dimensional model of the soft tissue, determining the curve as the boundary of the shaper, and generating the thickness of the shaper according to the boundary; the different postures comprise at least one of a sitting position, a standing position, a supine position and a lateral position; the individualized nose base shaper can be fixed by utilizing the self-reverse concave row and is provided with vent holes; after the operation, the nose base shaper manufactured by the manufacturing method of the invention can relieve the widening of the nasal alar wing and the collapse degree of the columella nasi of the orthognathic patient after the operation through the action of mechanical force, so that the nose base shaper is maintained in the preoperative state.
Description
Technical Field
The invention relates to a nose wing and nostril shaper, in particular to an individualized nose base shaper and a manufacturing method thereof.
Background
Orthognathic surgery is an important method for clinically correcting dentognathic face deformity, and maxillary Le Fort type I osteotomy is one of the most common surgical methods. However, in the operation, it is necessary to peel off the muscle attachments such as the transverse nasal muscle, the orbicularis oris muscle, the labyrinthic labris muscle, and the labyrinthic canthus muscle attached to the anterior and lateral maxillary bone, and these muscles are contracted laterally or centrally, and finally, the soft tissue of the nasolabial region is displaced laterally. Therefore, the operative form can often cause the change of the shape of the nasal base while correcting the jaw deformity, and the change of the appearance and the beauty is not facilitated, such as the widening of the nasal alar base, the shortening of the columella nasi and the like.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned deficiencies and providing an individualized nasal fundus shaper and a method of making the same.
According to an aspect of the invention, there is provided a method of manufacturing an individualized nasal base shaper, wherein the method of manufacturing comprises:
a data acquisition step: acquiring three-dimensional data of facial soft tissues of a patient in different postures;
model reconstruction: reconstructing a virtual three-dimensional model of the soft tissue of the patient's face from the acquired data; and
a boundary determining step: drawing a curve of the range of the shaper according to the reconstructed three-dimensional model of the soft tissue, determining the curve as the boundary of the shaper, and generating the thickness of the shaper according to the boundary;
printing and forming: and printing and molding the shaper according to the determined boundary and thickness of the shaper.
Preferably, wherein the different postures comprise at least one of a sitting position, a standing position and a supine position.
Preferably, the different postures comprise at least one of a sitting position, a standing position, a supine position, and a lateral position.
Preferably, the data acquisition step comprises:
a shooting step, shooting the soft facial tissues of the patient in different postures; and
and a step of counting and analyzing, wherein the three-dimensional data of the facial soft tissue in different postures is obtained through shooting.
Preferably, the boundary determining step includes:
and analyzing and determining the drawing range of a plurality of parts of the shaper according to the reconstructed three-dimensional model of the soft tissue.
Preferably, the multiple parts of the shaper comprise two sides of the shaper, the lower part of the shaper, the upper part of the outer side of the shaper, the nasal cavity side of the shaper and two sides of the columella nasi of the shaper;
wherein, the two sides of the shaping device correspond to the two sides of the nose of the patient; the lower part of the shaping device corresponds to the lower part of the nose of the patient; the upper part of the outer side of the shaping device corresponds to the upper part of the outer side of the nose of the patient; the nasal cavity side of the shaper corresponds to the nasal cavity side of the nose; the two sides of the columella nasi of the shaping device correspond to the two sides of the columella nasi of the patient.
According to another aspect of the present invention, there is provided an individualized nasal base shaper made according to one of the methods of making an individualized nasal base shaper described above.
Preferably, the individualized nasal floor shaper may utilize self-inverting recessed row retention.
Preferably, the individualized nasal floor shaper is designed with a vent.
By adopting the technical scheme, the invention has the beneficial effects that: after the operation, the nose base shaper manufactured by the manufacturing method of the invention can relieve the widening of the nasal alar wing and the collapse degree of the columella nasi of the orthognathic patient after the operation through the action of mechanical force, so that the nose base shaper is maintained in the preoperative state.
Drawings
FIG. 1 is a schematic view of the structural connection of the device for making the nasal fundus shaper of the present invention;
FIG. 2 is a schematic view of the structural connection of the data acquisition unit of the present invention;
FIG. 3 is a schematic flow chart of a method of making a nasal fundus shaper of the present invention;
FIG. 4 is a flow chart illustrating the steps of data acquisition according to the present invention;
FIG. 5 is a schematic view of the site selection and correspondence to the patient's nose of the present invention;
fig. 6 and 7 are schematic views showing the structure of the shaper of the present invention, in which fig. 6 is a front view and fig. 7 is a rear view;
description of the main reference numerals: 1 a manufacturing device, 11 a data acquisition part, 12 a model reconstruction part, 13 a boundary determination part, 14 a printer, 111 a shooting element, 112 a statistic and analysis element.
Detailed Description
The invention is further described below with reference to the figures and the specific embodiments.
[ method of manufacturing individualized nasal fundus sculptor according to embodiment of the present invention ]
A method of making an individualized nasal base shaper in accordance with embodiments of the invention will be described in detail with reference to fig. 3.
As shown in fig. 3, a method of fabricating an individualized nasal base shaper in accordance with an embodiment of the invention may include a data acquisition step, a model reconstruction step, a boundary determination step, and a print shaping step.
More specifically, first, before printing and manufacturing the individualized nasal fundus shapers, three-dimensional data of facial soft tissues of the patient in different postures including at least one of a sitting position, a standing position, a supine position and a lateral position are collected. However, the invention is not limited thereto, and the different gesture may be other gestures. The three-dimensional data of the facial soft tissues can be acquired according to actual needs without being limited to the posture range, the complete and natural shape of the nose of a patient needs to be ensured no matter what way is adopted to acquire the data, and the data of the nasal vestibule can be acquired, so that the manufactured shaper can be attached, retained and effective.
Next, a virtual three-dimensional model of the soft tissue of the patient's face is reconstructed from the acquired data. And drawing a curve of the range of the shaper according to the reconstructed three-dimensional model of the soft tissue, determining the curve as the boundary of the shaper, and generating the thickness of the shaper according to the boundary. The thickness of the individualized nose base shaper can be set to be 0.5 mm-1.5 mm according to the hardness of materials, then the corner needs to be rounded, and the shaper is printed and formed according to the determined boundary and thickness of the shaper. As shown in fig. 4, the data acquisition step further includes shooting the soft facial tissue of the patient in different postures, and performing statistics and analysis on the shot three-dimensional data of the soft facial tissue in different postures. As shown in fig. 5, analyzing and determining a drawing range of a plurality of parts of the shaper according to the reconstructed three-dimensional model of the soft tissue; the multiple parts of the shaper comprise two sides of the shaper, the lower part of the shaper, the upper part of the outer side of the shaper, the nasal cavity side of the shaper and two sides of a columella nasi of the shaper; wherein, the two sides of the shaping device correspond to the two sides of the nose of the patient; the lower part of the shaping device corresponds to the lower part of the nose of the patient; the upper part of the outer side of the shaping device corresponds to the upper part of the outer side of the nose of the patient; the nasal cavity side of the shaper corresponds to the nasal cavity side of the nose; the two sides of the columella nasi of the shaping device correspond to the two sides of the columella nasi of a patient, the strength of the shaping device and the shaping range are guaranteed through drawing of the left and right, the inside and the outside, and the upper and the lower ranges, the retention effect is achieved through the interaction undercut, and the normal lip movement is not influenced due to excessive extension. If necessary, a plurality of air holes can be made on the shaping device or printed into a porous shape, which is helpful for improving the comfort of local skin.
[ individualized nasal fundus shaper production apparatus 1 according to an embodiment of the invention ]
A production device 1 for an individualized nasal base shaper according to an embodiment of the invention will be described in detail with reference to fig. 1.
As shown in fig. 1, the individualized nasal fundus shaper fabrication apparatus 1 includes a data acquisition component 11, a model reconstruction component 12, a boundary determination component 13, and a printer 14.
The data acquisition component 11 is used for acquiring three-dimensional data of facial soft tissues of a patient in different postures. The different postures include at least one of a sitting position, a standing position, a supine position, and a lateral position, but the postures are not limited to the above-described postures.
The model reconstruction component 12 is operative to reconstruct a virtual three-dimensional model of the soft tissue of the patient's face from the acquired data.
The boundary determining part 13 is used for drawing a curve of the range of the shaper according to the reconstructed three-dimensional model of the soft tissue, determining the curve as the boundary of the shaper, and then generating the thickness of the shaper according to the boundary.
The printer 14 is used for printing and forming the shaper according to the determined boundary and thickness of the shaper.
The data acquisition part 11, the model reconstruction part 12, the boundary determination part 13, and the printer 14 may be connected to each other by a wired manner or a wireless manner.
As shown in fig. 2, the data acquisition section 11 includes: an imaging element 111 that images soft facial tissues of a patient in different postures; and a statistic and analysis component 112 for counting and analyzing the three-dimensional data of the soft tissues of the face in different postures.
As shown in fig. 5, the range of the shaper includes a range of a plurality of positions of the shaper. The multiple parts of the shaper comprise two sides of the shaper, the lower part of the shaper, the upper part of the outer side of the shaper, the nasal cavity side of the shaper and two sides of a columella nasi of the shaper, wherein the two sides of the shaper correspond to the two sides of the nose of a patient; the lower part of the shaping device corresponds to the lower part of the nose of the patient; the upper part of the outer side of the shaping device corresponds to the upper part of the outer side of the nose of the patient; the nasal cavity side of the shaper corresponds to the nasal cavity side of the nose; the two sides of the columella nasi of the shaping device correspond to the two sides of the columella nasi of the patient.
Example 1
The data acquisition part 11 is used for acquiring the three-dimensional data of the soft tissues of the face of the patient before the operation: a CBCT (spiral CT) of the head and face is shot by a shooting element 111 in sitting position, standing position and supine position of the patient, the shot three-dimensional data of the soft facial tissues in different postures are counted and analyzed by a counting and analyzing element 112, and a virtual three-dimensional model of the soft facial tissues of the patient is reconstructed by a model reconstruction part 12 by using the data; then, the reconstructed soft tissue three-dimensional model is guided into a three-dimensional design software (for example, Geomagic studio 12) through a boundary determining part 13, the curve of the shaper is drawn by using the function of drawing a curve, the drawing range is that the two sides of the curve are required to reach the nasal surface sulcus corresponding to the nose of the patient, the lower part of the curve is used as a boundary corresponding to the nasal bottom of the nose of the patient, the upper part of the outer side of the curve is used as a middle part of the nasal back corresponding to the nose of the patient, the nasal cavity side reaches the edge of the anterior nares corresponding to the nose of the patient, but the inner corners of the nasal cavity (namely the two sides of the columella) are required to extend inwards to the position of the nasal cavity mucous membrane corresponding to the cavum of the nasal greater alar cartilage of the nose of the patient, the curve is converted into a boundary, a digital model of the shaper is generated by using the boundary, the digital model is manufactured and shaped, or printed in a porous form, which helps to promote local skin comfort.
Individualized nasal fundus shaper according to embodiments of the present invention
An individualized nasal floor shaper according to an embodiment of the invention will be described in detail with reference to fig. 6 and 7.
As shown in fig. 6 and 7, an individualized nasal base shaper made by the apparatus 1 for making an individualized nasal base shaper according to an embodiment of the invention is shown. The individualized nasal floor shaper may utilize self-inverting recessed row retention. In addition, the individualized nasal floor shaper is designed with vent holes.
Clinical application personalized nose base shaper: after the patient needing maxillary Le Fort I type osteotomy is operated and fully anaesthetized, the preoperative printed and manufactured nose base shaper can be worn, and the patient can perform retention by utilizing the self-recessing to adduct the nasal wings and support the nasal columella.
In conclusion, after the operation, the nasal fundus plastomer manufactured by the manufacturing method of the application can relieve the widening of the nasal alar and the collapse degree of the columella nasi of the orthognathic patient after the operation through the action of mechanical force, so that the nasal fundus plastomer can be maintained in the preoperative state.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, and all equivalent changes and modifications made in the claims of the present invention should be included in the scope of the present invention.
Claims (9)
1. A method of making an individualized nasal fundus shaper, the method of making comprising:
a data acquisition step: acquiring three-dimensional data of facial soft tissues of a patient in different postures;
model reconstruction: reconstructing a virtual three-dimensional model of the soft tissue of the patient's face from the acquired data; and
a boundary determining step: drawing a curve of the range of the shaper according to the reconstructed three-dimensional model of the soft tissue, determining the curve as the boundary of the shaper, and generating the thickness of the shaper according to the boundary;
printing and forming: and printing and molding the shaper according to the determined boundary and thickness of the shaper.
2. The method of claim 1, wherein the different postures comprise at least one of a sitting position, a standing position, and a supine position.
3. The method of claim 1, wherein the different postures comprise at least one of sitting, standing, supine, and lateral positions.
4. The method of claim 1, wherein the data acquisition step comprises:
a shooting step, shooting the soft facial tissues of the patient in different postures; and
and a step of counting and analyzing, wherein the three-dimensional data of the facial soft tissue in different postures is obtained through shooting.
5. The method of claim 1, wherein the boundary determining step comprises:
and analyzing and determining the drawing range of a plurality of parts of the shaper according to the reconstructed three-dimensional model of the soft tissue.
6. The method of claim 5, wherein the plurality of portions of the shaper comprise two sides of the shaper, a lower side of the shaper, an upper side of an outer side of the shaper, a nasal side of the shaper, and two sides of a columella of the shaper,
wherein, the two sides of the shaping device correspond to the two sides of the nose of the patient; the lower part of the shaping device corresponds to the lower part of the nose of the patient; the upper part of the outer side of the shaping device corresponds to the upper part of the outer side of the nose of the patient; the nasal cavity side of the shaper corresponds to the nasal cavity side of the nose; the two sides of the columella nasi of the shaping device correspond to the two sides of the columella nasi of the patient.
7. An individualized nasal base shaper made according to a method of making an individualized nasal base shaper according to any one of claims 1-6.
8. The personalized nasal floor shaper of claim 7, wherein the personalized nasal floor shaper is self-retaining with an inverted concave row.
9. The individualized nasal floor shaper of claim 7, wherein the individualized nasal floor shaper is configured with vent holes.
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