CN112656567B - Method for manufacturing external fixation helmet for severe maxillofacial fracture - Google Patents
Method for manufacturing external fixation helmet for severe maxillofacial fracture Download PDFInfo
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Abstract
The invention discloses a method for manufacturing an external fixation helmet for severe maxillofacial fracture, which comprises the following steps: modeling after properly enlarging the size of the occipital skin data of the posterior half of the coronal plane of the two ear connecting lines of the patient, and performing 3D printing to obtain the model; manufacturing a cover plate: the artificial limb is formed by 3D printing after the size is properly enlarged on the basis of the maxillofacial skin after the virtual reduction of the fracture of the coronal anterior half part of the two ears connected with the line; connect through pulling the area between apron and the base, the tightness of pulling the area is adjustable, can fix firmly between for apron and the base, can increase other mountings and consolidate. The invention effectively utilizes the principles of 3D printing and virtual reduction to quickly and accurately manufacture the maxillofacial fracture fixing helmet and solves the problem of first-stage functional reduction of maxillofacial open fracture.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a manufacturing method of an external fixation helmet for severe maxillofacial fracture.
Background
At present, for patients with severe maxillofacial fracture, due to irregular shapes of maxillofacial bones, a universal facial fracture fixing device cannot be used for fixing, and particularly, the reset facial bones cannot be fixed in the later treatment of fracture, so that the facial deformity of the patients is healed, and the appearance is influenced, so that an individualized fixing device needs to be manufactured according to the maxillofacial structure of the patients, but a feasible manufacturing method is not provided for meeting the requirements of the patients at present.
Disclosure of Invention
The invention provides a method for manufacturing an external fixing helmet for severe maxillofacial fracture, which effectively utilizes the principles of 3D printing and virtual resetting to quickly and accurately manufacture the maxillofacial fracture fixing helmet and solves the problem of first-stage functional resetting of maxillofacial open fracture.
In order to achieve the purpose, the invention provides the following technical scheme: a manufacturing method of an external fixation helmet for severe maxillofacial fracture comprises the following steps:
And 3, connecting the cover plate with the base through a traction belt, wherein the tightness of the traction belt can be adjusted, and other fixing pieces can be added for reinforcing in order to firmly fix the cover plate with the base.
In addition, base and apron surface all be provided with the bleeder vent, the apron on with the position that the fragment piece of patient jaw face portion corresponds for dismantling mosaic structure, facilitate the use 3D prints and makes polylith panel and assemble, reduce the degree of difficulty of making.
Compared with the prior art, the invention has the beneficial effects that:
effectively utilize 3D to print and virtual principle that resets to come quick accurate preparation jaw face fracture fixation helmet, the helmet can accurately match patient's face, fixes the facial bone piece after resetting, solves the first stage function problem that resets of jaw face open fracture, has fine application prospect.
Drawings
FIG. 1 is a perspective view of a fixed helmet according to the present invention;
FIG. 2 is a schematic view of the measurement of the fracture and the distance of the bone fragments from the skin surface according to the embodiment of the present invention;
FIG. 3 is a schematic illustration of a cover plate and virtually reconstructed facial morphology after bone fragment reduction in an embodiment of the invention;
FIG. 4 is a schematic view of a virtual reconstruction cover integrated with a cover of an intact part according to an embodiment of the present invention;
fig. 5 is a schematic illustration of a successfully constructed base and lid in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in figure 1, the invention provides a manufacturing method of an external fixation helmet for severe maxillofacial fracture, which comprises the following steps:
And 3, connecting the cover plate 1 and the base 2 through a traction belt 3, wherein the tightness of the traction belt 3 can be adjusted, and other fixing pieces can be added for reinforcing in order to firmly fix the cover plate 1 and the base 2.
In addition, base 2 and apron 1 surface all be provided with the bleeder vent, apron 1 on with the position that the fragment piece of patient's jaw face portion corresponds be can dismantle mosaic structure, conveniently use 3D to print and make polylith panel and assemble, reduce the degree of difficulty of making.
Examples
The patient was a certain one, male, age 63. The patient is admitted with the hospital for 26h that the patient is unconscious due to the fact that the patient collides with the minibus and the riding battery car to cause fracture of the jaw and the face and the like. Then profuse bleeding occurs in the face, mouth and nose. Skin lacerations can be seen on the right eyelid, the lateral side of the right thigh, the right lateral ankle and the left medial ankle. The periorbital and maxillofacial fractures at both sides are frequently accompanied by peripheral soft tissue contusions.
The face and the lower jaw of the patient are swollen, the oral cavity of the patient is obviously bled through the oral intubation, and the emergency bedside percutaneous tracheotomy is performed. Considering that the whole part of the patient is fractured and bloody liquid flows out of the mouth and the nose, the personalized helmet is printed according to the steps as shown in figures 2 to 5 and applied on the third day of admission, and the face of the patient is recovered to be normal 30 days after injury, and then the patient is smoothly discharged from the hospital for further rehabilitation treatment.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of this invention can be used in any combination with one another as long as no structural conflict exists, and the combination is not exhaustively described in this specification merely for the sake of brevity and resource savings. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (3)
1. The manufacturing method of the external fixation helmet for severe maxillofacial fracture is characterized by comprising the following steps:
s1, manufacturing a base (2): modeling after properly enlarging the size of the occipital skin data of the posterior half of the coronal plane of the two ear connecting line of the patient, and performing 3D printing to obtain the model;
s2, manufacturing a cover plate (1): the artificial limb is formed by 3D printing after the size is properly enlarged on the basis of the maxillofacial skin after the virtual reduction of the fracture of the coronal anterior half part of the two ears connected with the line;
the obtaining of the dimensional data of the cover plate (1) in step S2 comprises the steps of:
s21: firstly, taking skin tissue data of an undamaged part of the maxillofacial region of a patient as a basis for measurement;
s22: then, acquiring the post-injury imaging data of a patient, and measuring the vertical distance between each bone fragment and the corresponding skin after three-dimensional reconstruction, wherein each bone fragment selects three measuring points;
s23: after the bone fragments are virtually reset through three-dimensional software, the shape of the virtual face skin of a patient after reset is constructed according to the measured vertical distance data from the bone fragments to the corresponding skin and the skin tissue data of the uninjured part of the jaw face of the patient, and the size data of the cover plate (1) is formed through proper amplification;
and S3, connecting the cover plate (1) with the base (2) through a traction belt (3).
2. The method for manufacturing the external fixation helmet for severe maxillofacial fracture according to claim 1, wherein: the surfaces of the base (2) and the cover plate (1) are provided with air holes.
3. The method for manufacturing the external fixation helmet for severe maxillofacial fracture according to any one of claims 1 to 2, wherein: the cover plate (1) is provided with a detachable splicing structure at the part corresponding to the bone fragments of the jaw face of the patient.
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CN202011506107.5A CN112656567B (en) | 2020-12-18 | 2020-12-18 | Method for manufacturing external fixation helmet for severe maxillofacial fracture |
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CN202011506107.5A CN112656567B (en) | 2020-12-18 | 2020-12-18 | Method for manufacturing external fixation helmet for severe maxillofacial fracture |
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CN112656567B true CN112656567B (en) | 2022-11-08 |
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Citations (2)
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CN104473705A (en) * | 2014-12-03 | 2015-04-01 | 卢清君 | Head maxillofacial bone implant and method for quickly molding same |
CN208838117U (en) * | 2018-05-11 | 2019-05-10 | 山东大学齐鲁医院 | Fixed healing mask and fixed healing system outside a kind of fracture of zygomatic bone |
Family Cites Families (7)
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KR101223937B1 (en) * | 2011-02-22 | 2013-01-21 | 주식회사 모르페우스 | Face Image Correcting Simulation Method And System Using The Same |
DE102014005346A1 (en) * | 2014-04-11 | 2015-10-15 | Karl Leibinger Medizintechnik Gmbh & Co. Kg | Preformed implant for reduction and fixation of a centrolateral midfacial fracture |
GB201515877D0 (en) * | 2015-09-08 | 2015-10-21 | Technology In Motion Ltd And Ing Corp Spol S R O | Cranial remoulding orthosis and method of manufacture thereof |
CN105853045A (en) * | 2016-03-25 | 2016-08-17 | 上海昕健医疗技术有限公司 | External fixation brace for bone injury |
WO2018195602A1 (en) * | 2017-04-28 | 2018-11-01 | Serkel Solutions Pty Ltd | Plagiocephaly helmets and methods for manufacturing plagiocephaly helmets |
CN106963489B (en) * | 2017-05-12 | 2019-05-10 | 常州工程职业技术学院 | A kind of individuation femoral fracture reset model construction method |
CN107280841A (en) * | 2017-06-28 | 2017-10-24 | 党奇 | The 3D printing of traditional orthopaedics gypsum substitutes casting and preparation method thereof |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104473705A (en) * | 2014-12-03 | 2015-04-01 | 卢清君 | Head maxillofacial bone implant and method for quickly molding same |
CN208838117U (en) * | 2018-05-11 | 2019-05-10 | 山东大学齐鲁医院 | Fixed healing mask and fixed healing system outside a kind of fracture of zygomatic bone |
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