CN108888398B - Medical radius distal end anatomical bracket splint and preparation method thereof - Google Patents
Medical radius distal end anatomical bracket splint and preparation method thereof Download PDFInfo
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- CN108888398B CN108888398B CN201810789756.7A CN201810789756A CN108888398B CN 108888398 B CN108888398 B CN 108888398B CN 201810789756 A CN201810789756 A CN 201810789756A CN 108888398 B CN108888398 B CN 108888398B
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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
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
- A61F5/058—Splints
- A61F5/05841—Splints for the limbs
- A61F5/05858—Splints for the limbs for the arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Nursing (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention relates to the technical field of fracture fixing bracket splints, and discloses a medical radius distal end anatomical bracket splint and a preparation method thereof, wherein the medical radius distal end anatomical bracket splint comprises a palm jacket and a forearm splint for fixing a forearm, and the shape of the inner wall of the forearm splint is consistent with the shape of the forearm; the forearm clamp plate is longitudinally provided with a telescopic opening for adjusting the attaching degree of the forearm, and magic tapes capable of fixing the position of the telescopic opening are arranged at two edges of the telescopic opening; the surfaces of the forearm splint and the palm jacket are provided with a connecting seat, and the forearm splint and the palm jacket are connected and fixed through a supporting rod fixed on the connecting seat; the palm jacket is provided with an opening for extending the thumb. The invention makes the fracture part after recovery meet or approximate to the anatomical reduction by making the bracket splint which accords with the appearance characteristics of the arm of the patient; meanwhile, the close contact degree of the splint and the forearm can be adjusted, which is beneficial to the patients to return the vein and lymph of the affected limb, promote the subsidence of swelling and promote the healing of the fracture part and the surrounding tissues.
Description
Technical Field
The invention relates to the technical field of fracture fixing bracket splints, in particular to a medical radius distal end anatomical bracket splint and a preparation method thereof.
Background
The distal radius fracture is a fracture within 3cm from the distal radius joint surface, is one of the most common clinical fractures and accounts for 1/6 of patients with acute fracture. For simple and stable radius fracture and partial intra-articular fracture, a satisfactory treatment effect can be obtained by fixing the fracture by plaster or splints after manual reduction. For relatively severe radius fractures, surgical treatment procedures including percutaneous needle penetration, incision reduction internal fixation, external fixation stent application and the like are generally adopted.
According to the principle of orthopedics medicine, the most ideal effect for treating patients with radius fracture is to ensure that the fracture part can meet or approximate to anatomical reduction, namely the bracket splint is required to be consistent with the shape of the forearm of the patients. However, in the actual treatment process, the selected bracket splints are all products designed and manufactured uniformly, the shape characteristics of forearms of different patients are not considered, splints which are easy to appear are selected to be inconsistent in length and easy to clamp and press bony prominences and veins when being fixed, lymphatic reflux is blocked, and the ideal effect is far from the ideal effect.
Disclosure of Invention
Based on the problems, the invention provides a medical radius distal end anatomical bracket splint and a preparation method thereof, and the bracket splint which conforms to the appearance characteristics of the arm of a patient is manufactured, so that the fracture part after recovery can meet anatomical reduction or is similar to the anatomical reduction; meanwhile, the close contact degree of the splint and the forearm can be adjusted, which is beneficial to the patients to return the vein and lymph of the affected limb, promote the subsidence of swelling and promote the healing of the fracture part and the surrounding tissues.
In order to solve the technical problems, the invention provides a medical radius distal end anatomical support splint which comprises a palm jacket and a forearm splint used for fixing a forearm, wherein the shape of the inner wall of the forearm splint is consistent with the shape of the forearm; the forearm clamp plate is longitudinally provided with a telescopic opening for adjusting the attaching degree of the forearm, and magic tapes capable of fixing the position of the telescopic opening are arranged at two edges of the telescopic opening; the surfaces of the forearm splint and the palm jacket are provided with a connecting seat, and the forearm splint and the palm jacket are connected and fixed through a supporting rod fixed on the connecting seat; the palm jacket is provided with an opening for extending the thumb.
As a preferable mode, at least four connecting seats are arranged on the forearm clamp plate, and the connecting seats are longitudinally divided into two rows along the forearm clamp plate and distributed on the upper surface of the forearm clamp plate; the connecting seat on the palm presss from both sides the cover has four at least, and is two rows and distributes on the palm presss from both sides the cover surface, has improved the stability of support splint.
As a preferable mode, a through hole for the support rod to pass through is formed in the connecting base, and an adjusting bolt for fastening the support rod is arranged on the connecting base. The supporting rod can be fastened and detached by rotating the adjusting bolt, and the operation is easy.
In order to solve the problems, the invention also provides a preparation method of the medical radius distal end anatomical bracket splint, which comprises the following steps:
the method comprises the following steps: establishing three-dimensional full-scale models of the palm and the forearm, and generating three-dimensional full-scale models of a palm jacket and a forearm splint which can be attached to the palm and the forearm;
step two: according to the degree of fracture and the fracture position of a patient, a connecting seat model and a supporting rod model are respectively arranged on the three-dimensional full-size models of the palm jacket and the forearm splint;
step three: manufacturing a bracket splint real object according to the three-dimensional full-size model of the bracket splint;
wherein, the three-dimensional full-size model of the palm and the forearm is established in the first step, and the operation method comprises the following steps:
1) determining a positioning shaft;
2) utilizing ultrasonic waves to carry out 360-degree three-dimensional scanning on the palm and the forearm, and measuring the vertical distance between the surface of bones and skin and a positioning shaft;
3) and establishing a three-dimensional full-size model of the palm and the forearm by using a three-dimensional coordinate system.
As a preferable mode, the operation method of the object for manufacturing the bracket splint in the third step is as follows: and respectively printing the support rod model established in the first step and the second step, the palm jacket three-dimensional full-size model with the connecting seat and the forearm splint three-dimensional full-size model with the connecting seat by a 3D printing technology to obtain a support rod, a palm jacket with the connecting seat and a forearm splint real object.
Compared with the prior art, the invention has the beneficial effects that: positioning the surfaces of bones and skin by adopting an ultrasonic positioning technology, establishing a three-dimensional full-size model of the arm of a patient, and manufacturing a bracket splint which conforms to the appearance characteristics of the arm of the patient, so that the recovered fracture part can meet anatomical reduction or be similar to the anatomical reduction; meanwhile, the close contact degree of the splint and the forearm can be adjusted, which is beneficial to the patients to return the vein and lymph of the affected limb, promote the subsidence of swelling and promote the healing of the fracture part and the surrounding tissues.
Drawings
FIG. 1 is a schematic front view of a bracket splint according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the back side of a bracket splint according to embodiment 1 of the present invention;
FIG. 3 is a side view schematically showing a bracket holder according to embodiment 1 of the present invention;
wherein, 1 palm presss from both sides the cover, 2 forearm splint, 3 expansion joints, 4 magic subsides, 5 connecting seats, 6 bracing pieces, 7 openings, 8 adjusting bolt.
Detailed Description
The present invention will be further described with reference to the following drawings and examples, but the present invention is not limited thereto.
Example (b):
referring to fig. 1-3, a medical radius distal end anatomical form bracket splint comprises a palm jacket 1 and a forearm splint 2 for fixing a forearm, wherein the shape of the inner wall of the forearm splint 2 is consistent with the shape of the forearm; the forearm splint 2 is longitudinally provided with a telescopic opening 3 for adjusting the attaching degree of the forearm, and two edges of the telescopic opening 3 are provided with magic tapes 4 capable of fixing the position of the telescopic opening 3; the surfaces of the forearm splint 2 and the palm jacket 1 are provided with a connecting seat 5, and the forearm splint 2 and the palm jacket 1 are fixedly connected through a supporting rod 6 fixed on the connecting seat 5; the palm jacket 1 is provided with an opening 7 for extending a thumb.
In the embodiment, the palm jacket 1 is sleeved outside the palm, and the position of the palm jacket 1 can be fixed by extending the thumb; the forearm splint 2 is used for fixing the forearm, and the shape of the inner wall of the forearm splint is consistent with the shape of the forearm, so that the inner wall of the forearm splint 1 can be seamlessly attached to the forearm, and the recovered fracture part can meet the requirement of anatomical reduction or approximate anatomical reduction. Meanwhile, the close contact degree of the forearm splint 2 and the forearm can be adjusted by changing the distance between the telescopic openings 3, and the fixing is carried out by using the magic tape 4, so that the venous and lymphatic return of a patient is facilitated, the subsidence of swelling is promoted, and the healing of the fracture part and the surrounding tissues is promoted.
At least four connecting seats 5 are arranged on the forearm clamp plate 2, and the connecting seats 5 are distributed on the upper surface of the forearm clamp plate 2 in two rows along the longitudinal direction of the forearm clamp plate 2; the connecting seats 5 on the palm jacket 1 are at least four and distributed on the surface of the palm jacket 1 in two rows. The palm presss from both sides the cover 1 with the forearm splint 2 is connected fixedly through two spinal branch vaulting poles 6, can avoid when only one spinal branch vaulting pole 6 the problem that produces rotational deformation between palm presss from both sides the cover 1 and the forearm splint 2, has improved the stability of bracket splint.
A through hole for the support rod 6 to pass through is arranged on the connecting seat 5, and an adjusting bolt 8 for fastening the support rod 6 is arranged on the connecting seat 5. The supporting rod 6 can be fastened and detached by rotating the adjusting bolt 8, and the operation is easy.
Example 2:
a preparation method of a medical radius distal end anatomical bracket splint comprises the following steps:
the method comprises the following steps: establishing a three-dimensional coordinate system, determining the position of a positioning shaft in the coordinate system, enabling an arm to be close to the positioning shaft, carrying out 360-degree three-dimensional scanning on the palm and the forearm by using ultrasonic waves, determining the vertical distance between the surfaces of bones and skin and the positioning shaft, establishing a three-dimensional full-size model of the palm and the forearm in the three-dimensional coordinate system according to the determined positions of the bones and the skin relative to the positioning shaft, and generating a three-dimensional full-size model of a palm jacket 1 and a forearm splint 2 which can be attached to the palm and the forearm;
step two: according to the degree and the position of fracture of a patient, a connecting seat 5 model and a supporting rod 6 model are arranged on the three-dimensional full-size models of the palm jacket 1 and the forearm splint 2;
step three: and respectively printing the support rod 6 model established in the first step and the second step, the palm jacket 4 three-dimensional full-size model with the connecting seat 5 and the forearm splint 5 three-dimensional full-size model with the connecting seat 5 by a 3D printing technology to obtain a support rod 6, the palm jacket 4 with the connecting seat 5 and a forearm splint 5 real object.
The above is an embodiment of the present invention. The embodiments and specific parameters in the embodiments are only for the purpose of clearly illustrating the verification process of the invention and are not intended to limit the scope of the invention, which is defined by the claims, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be covered by the scope of the present invention.
Claims (4)
1. A preparation method of a medical radius distal end anatomical bracket splint is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: establishing a three-dimensional full-size model of a palm and a forearm, generating a three-dimensional full-size model of a palm jacket (1) and a forearm splint (2) which can be attached to the palm and the forearm, and enabling the shape of the inner wall of the three-dimensional full-size model of the forearm splint (2) to be consistent with the shape of the forearm;
step two: according to the degree and the position of fracture of a patient, a connecting seat (5) model and a supporting rod (6) model are respectively arranged on the three-dimensional full-size models of the palm jacket (1) and the forearm splint (2);
step three: manufacturing a real object of the bracket splint according to a three-dimensional full-size model of the palm jacket (1) with the connecting seat (5) and the forearm splint (2); a telescopic opening (3) used for adjusting the attaching degree of the front arm is longitudinally arranged on the manufactured front arm splint (2), and magic tapes (4) capable of fixing the position of the telescopic opening (3) are arranged on two edges of the telescopic opening (3); an opening (7) for extending a thumb is formed in the palm jacket (1); the forearm splint (2) and the palm jacket (1) are connected and fixed by inserting the support rod (6) into the connecting seat (5);
in the first step, a three-dimensional full-size model of the palm and the forearm is established, and the operation method comprises the following steps:
1) determining a positioning shaft;
2) utilizing ultrasonic waves to carry out 360-degree three-dimensional scanning on the palm and the forearm, and measuring the vertical distance between the surface of bones and skin and a positioning shaft;
3) and establishing a three-dimensional full-size model of the palm and the forearm by using a three-dimensional coordinate system.
2. The method for preparing the medical radius distal end anatomical support splint according to claim 1, characterized in that the number of the connecting seats (5) on the forearm splint (2) is at least four, and the connecting seats (5) are distributed on the upper surface of the forearm splint (2) in two rows along the longitudinal direction of the forearm splint (2); the connecting seats (5) on the palm jacket (1) are at least four and distributed on the surface of the palm jacket (1) in two rows.
3. The method for preparing the medical radius distal end anatomical support splint according to claim 1, wherein the connecting base (5) is provided with a through hole for the support rod (6) to pass through, and the connecting base (5) is provided with an adjusting bolt (8) for fastening the support rod (6).
4. A method for preparing a medical distal radius anatomical stent splint according to any one of claims 1 to 3, wherein: the operation method for manufacturing the bracket clamping plate in the third step comprises the following steps: and respectively printing the support rod (6) model established in the first step and the second step, the three-dimensional full-size model of the palm jacket (1) with the connecting seat (5) and the three-dimensional full-size model of the forearm clamp plate (2) with the connecting seat (5) by a 3D printing technology to obtain a real object of the support rod (6), the palm jacket (1) with the connecting seat (5) and the forearm clamp plate (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810789756.7A CN108888398B (en) | 2018-07-18 | 2018-07-18 | Medical radius distal end anatomical bracket splint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810789756.7A CN108888398B (en) | 2018-07-18 | 2018-07-18 | Medical radius distal end anatomical bracket splint and preparation method thereof |
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| CN108888398A CN108888398A (en) | 2018-11-27 |
| CN108888398B true CN108888398B (en) | 2020-09-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IT201900000815A1 (en) * | 2019-01-18 | 2020-07-18 | Matteo Genovese | MODULAR ORTHOPEDIC BRACE |
| CN112169049A (en) * | 2020-10-11 | 2021-01-05 | 周艳芳 | Nephrology department hemodialysis nursing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19525671A1 (en) * | 1995-07-14 | 1997-01-16 | Bauerfeind Gmbh | Orthosis for immobilising wrist - has hand part connected to lower arm part by movable joint connected to longitudinal sliding rail on lower arm part |
| CN2292533Y (en) * | 1995-10-17 | 1998-09-30 | 张世文 | Non-traumatic combined reduction device |
| US20160213320A1 (en) * | 2013-09-09 | 2016-07-28 | Abdo Shabah | Orthopedic support device and associated methods |
| CN103800109A (en) * | 2014-01-27 | 2014-05-21 | 汕头大学医学院第二附属医院 | Improved Halo frame and method for assisting in lower cervical vertebrae unilateral zygopophysis blocage reduction using improved Halo frame |
| CN104616351A (en) * | 2015-02-10 | 2015-05-13 | 蔡文姬 | Fetus and infant model 3D (three dimensional) printing method |
| CN106846458A (en) * | 2016-12-15 | 2017-06-13 | 哈尔滨工业大学（威海） | Stereoscopic ultrasonic model building method and device based on 3D printing |
| CN106600689A (en) * | 2016-12-16 | 2017-04-26 | 北京小米移动软件有限公司 | Method and apparatus for generating 3D printing data |
| CN106821577A (en) * | 2017-02-17 | 2017-06-13 | 何诗跃 | A kind of arm fracture cradle |
| CN108056850B (en) * | 2017-12-07 | 2021-08-17 | 中山大学附属第一医院 | Method for manufacturing personalized protective brace for forearm of child |
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