CN212730091U - Adjustable talipes equinovarus orthotic devices based on 3D prints - Google Patents
Adjustable talipes equinovarus orthotic devices based on 3D prints Download PDFInfo
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- CN212730091U CN212730091U CN202021239995.4U CN202021239995U CN212730091U CN 212730091 U CN212730091 U CN 212730091U CN 202021239995 U CN202021239995 U CN 202021239995U CN 212730091 U CN212730091 U CN 212730091U
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Abstract
An adjustable equinovarus correction device based on 3D printing is disclosed, wherein a lower leg part, a heel part and a sole part are connected with each other through connecting bodies arranged on two sides; the connecting body comprises a front connecting rod, a front connecting part, a rear connecting part and a main joint; one end of the front connecting rod is connected with the front sole part, and the other end of the front connecting rod is connected with the main joint through the front connecting part; one end of the rear connecting part is connected with the heel part, and the other end of the rear connecting part is connected with the main joint; the main joint is connected with the shank part; the lower leg part covers 60% of the area of the lower leg, and the opening is forward; the heel part covers the calcaneus in a hemispherical wrapping manner and is stopped below the lateral malleolus and the talus body; the half-wrapped front sole part covers the front sole and comprises first to fifth metatarsus bones, first to fifth proximal phalanges and distal phalanges, and an upper opening. The correcting device can be used for individually adjusting the correcting force on two sides according to the deformity condition of a patient on the basis of ankle anatomy, instrument innovation and clinical application, thereby achieving the purpose of effectively correcting deformity and forming a new external fixation orthopedic technical system.
Description
Technical Field
The utility model relates to a sufficient field of correcting of talipes equinovarus, concretely relates to sufficient orthotic devices of talipes equinovarus with adjustable based on 3D prints.
Background
Equinovarus is the most common deformity in clinical lower limb deformity, has complex etiology, and is characterized by adduction of the forefoot, high arch of the middle foot, inversion of the hind foot and plantarflexion deformity, which gradually worsen with the age. The incidence rate of the newborn is 1-4.5 per mill, the ratio of male to female is 2:1, and one side is more than two sides. The equinovarus deformity not only seriously destroys the normal functions of the foot and affects the daily life of patients, but also can cause a series of secondary problems of unequal lower limb length, pelvis inclination, scoliosis and the like. The current primary treatment is ponseti sequential gypsular orthopaedics.
The ponseti sequence gypsum orthopedic method starts to perform gypsum orthopedic treatment when a newborn is 7-10 days, the replacement is performed once every 7 days, the hyperarcus, adduction, inversion and partial horseshoe deformity of the talipes equinovarus are sequentially corrected, the dorsal extension function is corrected through percutaneous tendon cutting surgery, the orthopedic treatment is performed for 3 weeks by using the gypsum, and then a brace is worn for about 3 years to maintain the orthopedic effect, so that the recurrence probability is reduced. The traditional plaster is poor in comfort, long-time ankle fixation can affect blood circulation and development of foot joints, plaster pressure sores are easy to occur, electric saws are needed to saw the plaster when the plaster is replaced each time, a child patient is easy to be frightened, doctors with insufficient experience even easily scratch the skin of the child patient, and the removal takes a long time; at present, an external orthosis is designed, but no orthosis is designed according to the pathological characteristics and treatment principle of the talipes equinovarus disease, and the support prepared by the traditional method is poor in matching degree with the body surface of a child patient, so that the problems of poor effect, incompatibility of the child patient and the like are caused.
Disclosure of Invention
The utility model aims at providing a sufficient orthotic devices in hoof with adjustable based on 3D prints realizes the accurate correction of adjustable according to the individualized customization of patient, solves traditional orthopedic ware mass production, the comfort is poor, the structure is complicated heavy, orthopedic effect is not good scheduling problem.
An adjustable equinovarus varus correcting device based on 3D printing comprises a lower leg part, a heel part, a front sole part and a connecting body;
the lower leg part, the heel part and the front sole part are mutually connected through connecting bodies arranged on two sides;
the connecting body comprises a front connecting rod, a front connecting part, a rear connecting part and a main joint; one end of the front connecting rod is connected with the front sole part, and the other end of the front connecting rod is connected with the main joint through the front connecting part; one end of the rear connecting part is connected with the heel part, and the other end of the rear connecting part is connected with the main joint; the main joint is connected with the lower leg part;
the lower leg part covers 60% of the area of the lower leg, and the opening is forward;
the heel part covers the calcaneus in a hemispherical wrapping manner and is stopped below the lateral malleolus and the talus body;
the front sole part covers the front sole in a half-wrapping mode and comprises first metatarsus, second metatarsus, first proximal phalanx, second distal phalanx and a third proximal phalanx, and an upper opening;
the lower leg part, the heel part and the front sole part are customized according to patients through 3D printing technology.
Furthermore, one end of the front connecting rod is provided with an adjusting hole, the other end of the front connecting rod is a semi-cylindrical front mounting part, and the front mounting part is provided with a front mounting hole; the front connecting part comprises a front spherical part and a sleeve connected with the front spherical part through a round rod, and an adjusting hole is formed in the sleeve; the main joint comprises a main fixing part and spherical bags arranged at two ends of the main fixing part, a main mounting hole is formed in the main fixing part, and a spherical adjusting hole is formed in the spherical bags; the back connecting portion include the spherical piece of back and pass through the back installation department that the round bar is connected with the spherical piece of back, the tip of back installation department is the halfcylinder and opens there is the back mounting hole.
Furthermore, the front connecting rod is fixed with the front sole part through the front mounting part and the front mounting hole, is connected with the front connecting rod through the adjusting hole and the inserting rod, is adjusted to extend and shorten, and is used for lifting the first metatarsal bone, flattening the sole of a foot, and correcting the high arch and plantarflexion deformity of the middle foot.
Further, the anterior joint is connected to the main joint by an anterior ball and socket arrangement of a spherical capsule, both of which are positionally adjustable by means of a spherical adjustment aperture and a plunger to correct a forefoot adduction deformity.
Further, the rear connecting part is connected with the main joint through a rear spherical part and a ball socket form of the spherical capsule, and the positions of the rear connecting part and the main joint are adjusted through the structures of the spherical adjusting hole and the inserted rod so as to correct the varus deformity of the rear foot.
Furthermore, the main joint of the connecting body is arranged at the bottom end of the lower leg part, and the heel part, the forefoot part and the lower leg part are integrated together to form a stable triangular structure.
The utility model discloses the beneficial effect who reaches does: (1) the utility model adopts 3D printing technology, obtains accurate size data of lower limbs of patients by optical scanning of the patients, is customized according to the body sizes of the patients, and has good fitting degree, small error and high comfort level, thereby having good compliance of the patients; (2) the utility model has simple operation, light and quick correction and adjustment, accurate fixation and difficult clamping; (3) the utility model has simple integral structure, light weight and low cost; (4) the utility model discloses accessible both sides structure founds simultaneously and corrects power, and what have pertinence, individuality makes up, regulates and control, and the correction of multi-angle has been realized to the flexible operation.
To sum up, the utility model discloses dissect at the ankle, apparatus innovation, clinical application's basis, according to patient's deformity condition, the size of individualized adjustment both sides correction power to reach the mesh of effectively correcting the deformity, formed new external fixation orthopedic technical system.
Drawings
Fig. 1 is a schematic structural view of an adjustable device for correcting talipes equinovarus by 3D printing in an embodiment of the present invention.
Fig. 2 is a schematic view of a connector structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of a front connecting rod according to an embodiment of the present invention.
Fig. 4 is a schematic view of a front connection structure according to an embodiment of the present invention.
Fig. 5 is a schematic view of a main joint structure according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a rear connection structure according to an embodiment of the present invention.
Fig. 7 is a schematic view of a plunger according to an embodiment of the present invention.
In the figure, 1-calf, 2-heel, 3-forefoot, 4-connector, 41-anterior connector, 42-anterior connector, 43-primary joint, 44-posterior connector, 411-adjustment hole, 412-anterior mounting hole, 413-anterior mounting, 421-anterior ball, 422-sleeve, 423-adjustment hole, 431-primary fixation, 432-primary mounting hole, 433-ball adjustment hole, 434-ball bladder, 441-posterior ball, 442-posterior mounting, 443-posterior mounting hole, 5-plunger.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of the present invention provides an adjustable equinovarus correction device based on 3D printing. As shown, it includes: a lower leg part 1, a heel part 2, a front sole part 3 and a connecting body 4; the shank 1 is a shank fixing part; the heel part 2 is a heel correction force application part; the front sole part 3 is a front sole correction force application part; the connecting body 4 is provided with a front connecting rod 41, a front connecting part 42, a main joint 43 and a rear connecting part 44; the front connecting rod 41 is provided with a rod adjusting hole 411, a front mounting hole 412 and a front mounting part 413; the front connecting part 42 is provided with a front spherical member 421, a sleeve 422 and an adjusting hole 423; the main joint 43 is provided with a main fixing part 431, a main mounting hole 432, a spherical adjusting hole 433 and a spherical bag 434; the rear connecting portion 44 is provided with a rear spherical member 441, a rear mounting portion 442, and a rear mounting hole 443.
The utility model provides an adjustable 3D printing device for correcting talipes equinovarus, which obtains three-dimensional scanning image data of the feet of a patient, or an X-ray film and a CT; and introducing three-dimensional modeling software and designing the malformation degree of the equinovarus of the patient. And (3) carrying out modeling design and 3D printing by using a computer by acquiring the specific form of the talipes equinovarus in the static state. The correcting device can be designed individually according to the conditions of different patients, so that the correcting device can be completely attached to the feet of the patients, and personalized, precise and customized treatment is realized.
The utility model discloses an optics three-dimensional scanner catches the foot deformity to obtain the space coordinate on foot surface. Compared with the traditional customization process, the optical three-dimensional scanning collection is simple, convenient and accurate. The non-contact optical scanner has no harm to human body and no radiation, can collect high-precision point cloud data, and can measure body and cut clothes and accurately scan feet. Corresponding data are imported into three-dimensional modeling software, computer design is carried out according to the foot size of the patient and the planned correction degree, and the data are obtained through 3D printing, so that a better treatment effect can be achieved.
In one embodiment, the lower leg portion 1 is a main fixing portion, covers 60% of the area of the lower leg, and is open forward, so that the wearer can wear the shoe easily. The heel part 2 is a heel force application correcting part and covers the calcaneus in a hemispherical wrapping manner, and is stopped below the lateral malleolus and at the talus body. The front sole part 3 covers the front sole in a half-wrapping mode and comprises first metatarsus, fifth metatarsus, first proximal phalanx, fifth proximal phalanx, distal phalanx and an upper opening.
In one embodiment, the materials used in the 3D printing technique include, but are not limited to: any one or more of polyurethane, polylactic acid, nylon plastics, photosensitive resin, silica gel, rubber, latex, ABS plastics, PVC plastics, organic silicon resin and propenyl resin.
In one embodiment, the connecting body 4 comprises a front connecting rod 41, a front connecting portion 42, a main joint 43, and a rear connecting portion 44. The connecting body 4 is a main connecting, fixing, adjusting and correcting device.
In one embodiment, the front connecting rod 41 is 50mm long and 6mm in diameter, and includes a rod adjusting hole 411, a front mounting hole 412, and a front mounting portion 413. The total 4 pole regulation holes 411, diameter 2mm, interval 1mm between, be connected with sleeve 424, insert plunger 5 through selecting different regulation holes, have the flexible function of adjusting the length. The front mounting holes 412 are 2 in total, have the diameter of 3mm, and are spaced by 3mm to fix the front connecting rod 41 and the front sole part 3. The front mounting part 413 is a semi-cylinder with a length of 20mm and is fixed with the front sole part 3 through 2 front mounting holes 412.
In one embodiment, the front connecting portion 42 is provided with a front ball 421, a sleeve 422, and an adjusting hole 423. The front spherical element 42.1 is a sphere with a diameter of 9mm and is connected to the sleeve 42.2 by a cylinder with a diameter of 2mm and a length of 15 mm. The sleeve 42.2 is 15mm long, 1mm thick, 8mm in outer diameter and 6mm in inner diameter, and is connected with the front connecting rod 41. The adjusting holes 42.3 are 4 in total, the diameter is 2mm, the interval between the adjusting holes is 1mm, the adjusting holes are fixed with the rod adjusting holes 41.1 through the inserted rods 5, the length is adjusted, and the adjustable telescopic function is achieved.
In one embodiment, the main joint 43 is provided with a main fixing portion 431, a main mounting hole 432, a spherical adjusting hole 433, and a spherical capsule 434. The main fixing portion 43.1 is arc-shaped, has a thickness of 5mm, and is fixed to the lower leg portion 1 through the main mounting hole 432. The main mounting holes 432 are 3 in number, the diameter is 3mm, the interval between the main mounting holes is 3mm, and the main mounting holes are main fixing devices. Spherical adjustment holes 433, 3 at each end, 2mm in diameter and 3mm apart, are used to fix the angle of front spherical element 421 in spherical capsule 434. The spherical capsule 434 is a ball-and-socket structure, 13mm in diameter, hollow inside, and open outside, with an outer diameter of 8.5mm and an inner diameter of 6.5 mm. Spherical ball member 421 before spherical bag 434 parcel, preceding spherical member 421 has certain mobility, can adjust to each direction as required, and plunger 5 fixes at spherical regulation hole 433.
In one embodiment, the rear connecting portion 44 is provided with a rear spherical member 441, a rear mounting portion 442, and a rear mounting hole 443. The rear spherical member 441 is a sphere having a diameter of 9mm, and is connected to the rear mounting portion 442 via a cylinder having a diameter of 2mm and a length of 10 mm. Rear mounting portion 442 is a semi-cylindrical body 20mm long that is secured to heel portion 2 through 2 rear mounting holes 44.3. The rear mounting holes 443 are 2 in number, 3mm in diameter and 4mm apart to secure the rear connecting portion 44 to the heel portion 2.
In one embodiment, the spherical bag 434 encloses the rear spherical member 441, the rear spherical member 441 has a certain mobility, and can be adjusted in various directions as required, and the plunger 5 is fixed in the spherical adjusting hole 433.
In one embodiment, the rod 5 is a cylindrical iron rod with a length of 8mm and a diameter of 2mm, and the rod is inserted into the rod-fixing adjusting holes 411, 423 and 433 to realize the adjusting function.
In one embodiment, 2 connectors 4 on both sides fix the shank 1, heel 2 and forefoot 3 as a whole to correct equinovarus deformity.
The talipes equinovarus orthotic device of making through above-mentioned mode can accord with patient's foot anatomical feature, and the patient wears comfortablely, does not have the discomfort, and the compliance is high, effectively corrects the deformity of the talipes equinovarus.
The utility model provides a device for correcting equinovarus deformity in horseshoe, which has the following beneficial effects.
1) The device has good adjustable function to satisfy the needs of patients with different body sizes.
2) The sleeve 42.2 of the device is connected with the front connecting rod 41, the length of the sleeve is adjusted through the rod adjusting hole 41.1 and the adjusting hole 42.3, the telescopic function is achieved, and the sleeve is used for lifting the first metatarsal, leveling the sole of a foot, correcting the high arch of the middle foot and recovering dislocation.
3) The main joint 43 of the device is provided with a spherical sac 43.4 which is connected with a front spherical part 42.1 and a rear spherical part 44.1, the correcting direction is controlled by a plunger 5 and a spherical adjusting hole 43.3, and the forefoot adduction deformity and the rearfoot varus deformity can be corrected by taking the talus as the center.
4) The device part uses 3D printing technique preparation, has light ventilative, accords with anatomical structure, comfortable pleasing to the eye advantage such as, and its surface accuracy is high, has greatly improved the compliance that the patient wore.
To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, but all equivalent modifications or changes made by those skilled in the art according to the present invention should be included in the protection scope of the claims.
Claims (6)
1. The utility model provides a flip foot orthotic devices in horse hoof with adjustable based on 3D prints, includes shank, heel portion, forefoot portion, connector, its characterized in that:
the lower leg part, the heel part and the front sole part are mutually connected through connecting bodies arranged on two sides;
the connecting body comprises a front connecting rod, a front connecting part, a rear connecting part and a main joint; one end of the front connecting rod is connected with the front sole part, and the other end of the front connecting rod is connected with the main joint through the front connecting part; one end of the rear connecting part is connected with the heel part, and the other end of the rear connecting part is connected with the main joint; the main joint is connected with the lower leg part;
the lower leg part covers 60% of the area of the lower leg, and the opening is forward;
the heel part covers the calcaneus in a hemispherical wrapping manner and is stopped below the lateral malleolus and the talus body;
the front sole part covers the front sole in a half-wrapping mode and comprises first metatarsus, second metatarsus, first proximal phalanx, second distal phalanx and a third proximal phalanx, and an upper opening;
the lower leg part, the heel part and the front sole part are customized according to patients through 3D printing technology.
2. The adjustable equinovarus orthotic device based on 3D printing according to claim 1, wherein: one end of the front connecting rod is provided with an adjusting hole, the other end of the front connecting rod is a semi-cylindrical front mounting part, and the front mounting part is provided with a front mounting hole; the front connecting part comprises a front spherical part and a sleeve connected with the front spherical part through a round rod, and an adjusting hole is formed in the sleeve; the main joint comprises a main fixing part and spherical bags arranged at two ends of the main fixing part, a main mounting hole is formed in the main fixing part, and a spherical adjusting hole is formed in the spherical bags; the back connecting portion include the spherical piece of back and pass through the back installation department that the round bar is connected with the spherical piece of back, the tip of back installation department is the halfcylinder and opens there is the back mounting hole.
3. The adjustable equinovarus orthotic device based on 3D printing of claim 2, wherein: the front connecting rod is fixed with the front sole part through a front mounting part and a front mounting hole, is connected with the front connecting rod through an adjusting hole and an inserting rod, is adjusted to extend and shorten, and is used for lifting the first metatarsal bone, flattening the sole of a foot and correcting the high arch and plantarflexion deformity of the middle foot.
4. The adjustable equinovarus orthotic device based on 3D printing of claim 2, wherein: the anterior connecting part is connected with the main joint through an anterior spherical part and a ball socket form of a spherical capsule, and the positions of the anterior connecting part and the main joint are adjusted through a spherical adjusting hole and a structure of a plunger so as to correct the forefoot adduction deformity.
5. The adjustable equinovarus orthotic device based on 3D printing of claim 2, wherein: the rear connecting part is connected with the main joint through a rear spherical part and a ball socket of the spherical capsule, and the positions of the rear connecting part and the main joint are adjusted through the structures of the spherical adjusting hole and the plunger so as to correct the varus deformity of the hind foot.
6. The adjustable equinovarus orthotic device based on 3D printing according to claim 1, wherein: the main joint of the connector is arranged at the bottom end of the lower leg part, and the heel part, the front sole part and the lower leg part are integrated together to form a stable triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021239995.4U CN212730091U (en) | 2020-06-30 | 2020-06-30 | Adjustable talipes equinovarus orthotic devices based on 3D prints |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021239995.4U CN212730091U (en) | 2020-06-30 | 2020-06-30 | Adjustable talipes equinovarus orthotic devices based on 3D prints |
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| CN212730091U true CN212730091U (en) | 2021-03-19 |
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| CN202021239995.4U Active CN212730091U (en) | 2020-06-30 | 2020-06-30 | Adjustable talipes equinovarus orthotic devices based on 3D prints |
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