CN109106434B - Combined multifunctional physiological bone pressurization bone external fixation support - Google Patents
Combined multifunctional physiological bone pressurization bone external fixation support Download PDFInfo
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- CN109106434B CN109106434B CN201810757297.4A CN201810757297A CN109106434B CN 109106434 B CN109106434 B CN 109106434B CN 201810757297 A CN201810757297 A CN 201810757297A CN 109106434 B CN109106434 B CN 109106434B
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 58
- 210000002683 foot Anatomy 0.000 claims abstract description 59
- 210000003423 ankle Anatomy 0.000 claims abstract description 54
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 210000002414 leg Anatomy 0.000 description 11
- 210000001699 lower leg Anatomy 0.000 description 5
- 206010010356 Congenital anomaly Diseases 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 206010070918 Bone deformity Diseases 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 210000004744 fore-foot Anatomy 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 210000000544 articulatio talocruralis Anatomy 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention belongs to the technical field of medical surgical instruments, and particularly relates to a combined multifunctional physiological bone pressurization bone external fixation bracket which comprises a leg bracket for fixing legs, an ankle bracket for fixing ankles, a foot bracket for fixing feet and a longitudinal pressurization bracket; the leg support comprises a plurality of closed ring frames and a first threaded connecting rod; the ankle support comprises an ankle U-shaped ring frame and a second threaded connecting rod; the foot bracket comprises a foot U-shaped ring frame, a third threaded connecting rod, a transverse connecting rod, an angle adjusting device and a C-shaped frame; the upper end of the longitudinal pressurizing support is connected to the closed ring frame, and the bottom end of the longitudinal pressurizing support is rotatably connected to the top end of the C-shaped frame through a third rotating device. The angle adjusting device is used for adjusting the angle of the C-shaped frame, is convenient to install on the affected part of a patient, and is beneficial to correcting the traction bone shape.
Description
Technical Field
The invention belongs to the technical field of medical surgical instruments, and particularly relates to a combined multifunctional physiological bone pressurization bone external fixation support.
Background
Foot and leg skeletal deformity caused by trauma, infection, congenital deformity and other reasons is a common orthopedic disease, and in order to correct bone shape and lower limb force line, a physiological bone pressurization bone external fixation support is generally adopted for orthopedic treatment. The specific way of bone deformity due to trauma, infection is as follows: a closed ring is arranged at the position 1/3 on the middle lower part of the shank at the near end, and 2 half needles are connected and fixed on the tibia; a U-shaped ring is arranged in parallel with the sole of the foot, 4 long threaded connecting rods are connected with the near end, and a bracket is used for providing longitudinal pressurization/traction force; or a C-shaped ring is fixed on the dorsal side of the foot to correct the corresponding relationship between the foot and the lower leg. Although all parts of the fixing bracket can be detached, the fixing bracket can be firmly fixed on bones.
However, for a patient with congenital deformity, the bone shape of the patient is different from that of a normal person, so that a C-shaped ring for fixing the foot is usually required to be added, the C-shaped ring in the prior art is fixedly connected with other components, the angle is not adjustable, and the installation and later-period correction are not facilitated.
Disclosure of Invention
The invention provides a combined multifunctional physiological bone pressurization bone external fixation bracket, which is used for fixing feet, is adjustable in angle of a C-shaped ring, is convenient to install on a diseased part of a patient and is beneficial to correcting a traction bone shape.
The invention provides a combined multifunctional physiological bone pressurization bone external fixation bracket, which comprises a leg bracket for fixing legs, an ankle bracket for fixing ankles, a foot bracket for fixing feet and a longitudinal pressurization bracket, wherein the ankle bracket is used for fixing ankles;
the leg support comprises a plurality of closed ring frames and first threaded connecting rods, and the adjacent closed ring frames are connected through the first threaded connecting rods which are longitudinally arranged;
the ankle support comprises an ankle U-shaped ring frame and a second threaded connecting rod, the ankle U-shaped ring frame is positioned below the leg support, and the ankle U-shaped ring frame is connected with the closed ring frame through the second threaded connecting rod which is longitudinally arranged;
the foot support comprises a foot U-shaped ring frame, a third threaded connecting rod, a transverse connecting rod, an angle adjusting device and a C-shaped frame, the foot U-shaped ring frame is positioned below the ankle U-shaped ring frame, the foot U-shaped ring frame is connected with the ankle U-shaped ring frame through the third threaded connecting rod, first longitudinal plates are further mounted on two sides of an opening end of the foot U-shaped ring frame respectively, an opening of the C-shaped frame faces downwards, two ends of the C-shaped frame are connected with the transverse connecting rod through a first rotating device in a rotating mode, one end, far away from the C-shaped frame, of the transverse connecting rod is fixedly provided with a second longitudinal plate, the first longitudinal plate is connected with the second longitudinal plate through a fourth threaded connecting rod, the angle adjusting device comprises a threaded rod rotatably connected with the C-shaped frame through a second rotating device, one end, far away from the C-shaped frame, of the traction threaded rod penetrates through the second longitudinal plate, the second longitudinal plate is connected with the second longitudinal plate in a vertically sliding mode, and a limiting device capable of limiting the sliding of the traction threaded rod is mounted on the second longitudinal plate;
the upper end of the longitudinal pressurizing support is connected to the closed ring frame, and the bottom end of the longitudinal pressurizing support is rotatably connected to the top end of the C-shaped frame through a third rotating device.
Preferably, in the combined multifunctional physiological bone pressurization bone external fixation support, the upper surface and the lower surface of the closed ring frame are both provided with first threaded through holes, and the first threaded connecting rod is screwed in the first threaded through holes and detachably mounted on the closed ring frame through a first nut.
Preferably, in the combined multifunctional physiological bone pressurization external fixation frame, the upper surface and the lower surface of the ankle U-shaped ring frame are both provided with second threaded through holes, one end of the second threaded connecting rod is screwed in the second threaded through hole on the upper surface of the ankle U-shaped ring frame and detachably mounted on the ankle U-shaped ring frame through a second nut, and the other end of the second threaded connecting rod is screwed in the first threaded through hole on the lower surface of the lowermost closed ring frame and detachably mounted on the closed ring frame through a third nut.
Preferably, in the combined multifunctional physiological bone pressurization external fixation bracket of the invention, the foot U-shaped ring frame is horizontally arranged, and the openings of the foot U-shaped ring frame and the ankle U-shaped ring frame are both arranged towards the C-shaped frame.
Preferably, in the combined multifunctional physiological bone pressurization bone external fixation bracket of the invention, the second longitudinal plate is provided with a longitudinal sliding groove, and the traction threaded rod is slidably connected to the longitudinal sliding groove.
Preferably, in the combined multifunctional physiological bone pressurization bone external fixation bracket of the invention, the limiting devices are two limiting nuts screwed on the traction threaded rod, and the two limiting nuts are respectively positioned on two sides of the second longitudinal plate.
Preferably, in the combined multifunctional physiological bone pressurization external fixation frame of the invention, the first rotating device comprises a loose leaf and a threaded sleeve fixed on one movable leaf of the loose leaf, the other movable leaf of the loose leaf is mounted on the C-shaped frame, and the threaded sleeve is screwed on the traction threaded rod.
Preferably, in the combined multifunctional physiological bone pressurization external fixation bracket of the invention, the longitudinal pressurization bracket comprises a longitudinal traction rod and a transverse connecting device rotatably mounted on the longitudinal traction rod, one end of the transverse connecting device far away from the longitudinal traction rod is connected to the closed ring frame, and the bottom end of the longitudinal traction rod is rotatably connected to the top end of the C-shaped frame through a third rotating device.
Preferably, in the combined multifunctional physiological bone compression external fixation support, a longitudinal screw rod is fixed on the closed ring frame at the top close to the longitudinal compression support, the transverse connecting device is composed of a transverse connecting plate and threaded rings fixed at two ends of the transverse connecting plate, one threaded ring is screwed on the longitudinal traction rod, the other threaded ring is screwed on the longitudinal screw rod, a fixing nut is installed on the longitudinal screw rod above the threaded ring, and fixing nuts are also installed on the longitudinal traction rod above and below the threaded ring.
Preferably, in the combined multifunctional physiological bone pressurization external bone fixation bracket of the invention, a protective sleeve is sleeved outside the C-shaped bracket.
Compared with the prior art, the combined multifunctional physiological bone pressurization bone external fixation bracket provided by the invention has the following beneficial effects:
1. in the invention, the closed ring frame is sleeved outside the crus and used for fixing the legs, the ankle U-shaped ring frame is sleeved on the ankle and used for fixing the ankle, the foot U-shaped ring frame is sleeved on the rear part of the foot, the C-shaped frame is sleeved on the front part of the foot, and then the angle adjusting device for fixing and correcting the bone shape is used for adjusting the angle of the C-shaped frame, so that the closed ring frame is convenient to install on the affected part of a patient with fracture or congenital bone deformity and is beneficial to correcting and drawing the bone shape. First threaded connection pole, second threaded connection pole, third threaded connection pole and fourth threaded connection pole realize dismantling of each part and connect, assemble shank support, ankle support, foot support and vertical pressurization support according to the demand, are applicable to a plurality of positions such as shank, ankle, foot, and the function is many.
2. The sliding groove has the function of connecting the traction threaded rod in a penetrating manner and also has the function of connecting the traction threaded rod in a sliding manner. The existing hinge structure is improved, so that the hinge can be connected to a plane and a rod, and the hinge is wide in application. The transverse connecting device with a special structure is adopted, so that the longitudinal pressurizing support is guaranteed to be detachable, and the structural stability is guaranteed. The protective sleeve has the functions of protecting the foot and related binding materials and also has a certain buffering function, so that the impact of external strong force is avoided. The protective sheath adopts inflatable cover or emulsion cover, and it includes outside the instep, still has the foot effect of stereotyping.
Drawings
FIG. 1 is a schematic structural view of a combined multifunctional physiological bone compression external fixation frame according to the present invention;
FIG. 2 is a schematic structural view of a foot support in the combined multifunctional physiological bone pressurization external fixation support of the present invention;
FIG. 3 is a schematic view of the connection between the first longitudinal plate and the second longitudinal plate of the combined multifunctional physiological bone pressurization external fixation frame of the present invention;
FIG. 4 is a first usage diagram of the foot support in the combined multifunctional physiological bone pressurization external fixation support of the invention;
FIG. 5 is a second usage state diagram of the foot support in the combined multifunctional physiological bone pressurization external fixation support of the invention;
FIG. 6 is a schematic structural view of a C-shaped frame in the combined multifunctional physiological bone pressurization external fixation frame of the present invention;
fig. 7 is a using state diagram of the combined multifunctional physiological bone pressurization bone external fixation bracket of the invention.
Description of reference numerals:
1. the ankle joint comprises a closed ring frame, 11 parts of a first threaded connecting rod, 2 parts of an ankle U-shaped ring frame, 21 parts of a second threaded connecting rod, 3 parts of a foot U-shaped ring frame, 31 parts of a first longitudinal plate, 4 parts of a third threaded connecting rod, 5 parts of a transverse connecting rod, 6 parts of a C-shaped frame, 61 parts of hinges, 62 parts of threaded sleeves, 63 parts of protective sleeves, 7 parts of a second longitudinal plate, 71 parts of a fourth threaded connecting rod, 72 parts of a longitudinal sliding chute, 8 parts of a drawing threaded rod, 81 parts of a limiting device, 9 parts of a longitudinal traction rod and 91 parts of a transverse connecting device.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
A combined multifunctional physiological bone pressurization external fixation bracket is specifically shown in figures 1-7 and comprises a leg bracket for fixing a leg, an ankle bracket for fixing an ankle, a foot bracket for fixing a foot and a longitudinal pressurization bracket;
the leg support comprises a plurality of closed ring frames 1 and first threaded connecting rods 11, and the adjacent closed ring frames 1 are connected through the first threaded connecting rods 11 which are longitudinally arranged;
the ankle support comprises an ankle U-shaped ring frame 2 and a second threaded connecting rod 21, the ankle U-shaped ring frame 2 is positioned below the leg support, and the ankle U-shaped ring frame 2 is connected with the closed ring frame 1 through the second threaded connecting rod 21 which is longitudinally arranged;
the foot bracket comprises a foot U-shaped ring frame 3, a third threaded connecting rod 4, a transverse connecting rod 5, an angle adjusting device and a C-shaped frame 6, the foot U-shaped ring frame 3 is positioned below an ankle U-shaped ring frame 2, the foot U-shaped ring frame 3 is connected with the ankle U-shaped ring frame 2 through the third threaded connecting rod 4, two sides of an opening end of the foot U-shaped ring frame 3 are respectively provided with a first longitudinal plate 31, an opening of the C-shaped frame 6 faces downwards, two ends (namely two ends at the bottom) of the C-shaped frame 6 are respectively and rotatably connected with the transverse connecting rod 5 through a first rotating device, one end of the transverse connecting rod 5 far away from the C-shaped frame 6 is fixedly provided with a second longitudinal plate 7, the first longitudinal plate 31 is connected with the second longitudinal plate 7 through a fourth threaded connecting rod 71, the angle adjusting device comprises a traction threaded rod 8 rotatably connected with the C-shaped frame 6 through a second rotating device, one end of the traction threaded rod 8 far away from the C-shaped frame 6, the device can be connected with the second longitudinal plate 7 in a vertical sliding manner, and a limiting device 81 capable of limiting the sliding of the traction threaded rod 8 is arranged on the second longitudinal plate 7;
the upper end of the longitudinal pressurizing bracket is connected to the closed ring frame 1, and the bottom end of the longitudinal pressurizing bracket is rotatably connected to the top end of the C-shaped frame 6 through a third rotating device.
In the embodiment of the invention, the number of the closed ring frames 1 is 2, the closed ring frames are all horizontally arranged, the upper surface and the lower surface of each closed ring frame 1 are respectively provided with a first threaded through hole, and a first threaded connecting rod 11 is in threaded connection with the first threaded through holes and is detachably arranged on the closed ring frames 1 through a first nut. The quantity of ankle U-shaped ring frame 2 is 1, and the level sets up, and second screw thread perforation has all been seted up to ankle U-shaped ring frame 2 upper surface and lower surface, and the one end spiro union of second threaded connection pole 21 is in the second screw thread perforation that lies in ankle U-shaped ring frame 2 upper surface, and installs through second nut detachable on ankle U-shaped ring frame 2, the other end spiro union of second threaded connection pole 21 is in lieing in the first screw thread perforation of below closed ring frame 1 lower surface to install on closed ring frame 1 through third nut detachable. The foot U-shaped loop cradle 3 is arranged horizontally and the openings of both the foot U-shaped loop cradle 3 and the ankle U-shaped loop cradle 2 are arranged towards the C-shaped cradle 6, i.e. towards the foot. A third threaded through hole is formed in the foot U-shaped ring frame 3, a through hole is further formed in the ankle U-shaped ring frame 2, one end of a third threaded connecting rod 4 is in threaded connection with the through hole and is detachably mounted on the ankle U-shaped ring frame 2 through a fourth nut, and the other end of the third threaded connecting rod 4 is in threaded connection with the third threaded through hole in the foot U-shaped ring frame 3 and is detachably mounted on the foot U-shaped ring frame 3 through a fifth nut. The first longitudinal plate 31 and the second longitudinal plate 7 are provided with corresponding longitudinal plate thread through holes, and the fourth thread connecting rod 71 passes through the corresponding longitudinal plate thread through holes and is detachably mounted on the first longitudinal plate 31 and the second longitudinal plate 7 through a sixth nut.
As shown in figures 1 and 7, in the invention, a closed ring frame 1 is sleeved outside a calf for fixing a leg, an ankle U-shaped ring frame 2 is sleeved on an ankle for fixing the ankle, a foot U-shaped ring frame 3 is sleeved on the rear part of a foot, and a C-shaped frame 6 is sleeved on the front part of the foot for fixing and correcting a bone shape. The first threaded connecting rod 11, the second threaded connecting rod 21, the third threaded connecting rod 4 and the fourth threaded connecting rod 71 realize detachable connection of all parts.
The angle adjusting device is used for adjusting the angle of the C-shaped frame 6, and the working principle is as follows: the first longitudinal plate 31 and the second longitudinal plate 7 are used for connecting the C-shaped frame 6 with the foot U-shaped ring frame 3, the C-shaped frame 6 is rotatably connected with the transverse connecting rod 5, the C-shaped frame 6 can be rotated, the C-shaped frame 6 can drive the longitudinal pressurizing support to rotate while rotating, therefore, a drawing threaded rod 8 is designed for auxiliary support, one end of the drawing threaded rod 8 is rotatably connected with the C-shaped frame 6, the other end of the drawing threaded rod is slidably connected with the second longitudinal plate 7, when the angle of the C-shaped frame 6 is adjusted according to the actual condition of a patient, the angle adjusting range of the C-shaped frame 6 is generally between 0 and 40 degrees (forming an angle with the vertical direction), and as shown in fig. 2, 4 and 5, the angle of the longitudinal pressurizing support can be adjusted in a self-adaptive mode due to the rotating connection relationship between the longitudinal pressurizing support and the C-shaped frame 6; on the other hand, the traction threaded rod 8 can move left and right on the second longitudinal plate 7 and can also slide up and down, so that the position of the longitudinal pressurizing support can be corrected in an auxiliary mode, the traction threaded rod 8 can also be fixed by the limiting device 81, a fixing device is further added to the C-shaped frame 6, and the structural stability is improved.
In the embodiment of the present invention, the second longitudinal plate 7 is provided with a longitudinal sliding slot 72, and the pulling threaded rod 8 is slidably connected to the longitudinal sliding slot 72. The sliding groove 72 has the function of connecting the traction threaded rod 8 in a penetrating manner and also has the function of connecting the traction threaded rod 8 in a sliding manner.
In the embodiment of the present invention, the limiting device 81 is two limiting nuts screwed on the pulling threaded rod 8, and the two limiting nuts are respectively located on two sides of the second longitudinal plate 7. The limiting nut is matched with the traction threaded rod 8 for use, the adjusting speed is high, the disassembly is realized, and the structure is stable.
In the embodiment of the invention, the first rotating device comprises a loose-leaf 61 and a threaded sleeve 62 fixed on one of the movable leaves of the loose-leaf 61, the other movable leaf of the loose-leaf 61 without the threaded sleeve 62 is arranged on the C-shaped frame, and the threaded sleeve 62 is screwed on the drawing threaded rod 8; the existing hinge structure is improved, so that the hinge can be connected to a plane and a rod, and the hinge is wide in application.
The second rotating means and the third rotating means are both hinges or conventional hinges.
In the embodiment of the invention, the longitudinal pressurizing bracket comprises a longitudinal draw bar 9 and a transverse connecting device 91 rotatably arranged on the longitudinal draw bar 9, one end of the transverse connecting device 91 far away from the longitudinal draw bar 9 is connected to the closed ring frame 1, and the bottom end of the longitudinal draw bar 9 is rotatably connected to the top end of the C-shaped frame 6 through a third rotating device, namely a hinge.
A longitudinal screw is fixed on the closed ring frame 1 at the top close to the longitudinal pressurizing support, the transverse connecting device 91 consists of a transverse connecting plate and threaded rings fixed at two ends of the transverse connecting plate, one threaded ring is in threaded connection with the longitudinal traction rod 9, the other threaded ring is in threaded connection with the longitudinal screw, a fixing nut is arranged on the longitudinal screw above the threaded ring, and fixing nuts are also respectively arranged on the longitudinal traction rod 9 above and below the threaded ring. The transverse connecting device 91 with a special structure is adopted, so that the longitudinal pressurizing support is guaranteed to be detachable, and the structural stability is guaranteed.
As shown in fig. 6, in the embodiment of the present invention, the protective cover 63 is sleeved outside the C-shaped frame 6, when the patient drags the shoes, if the foot is directly contacted with the C-shaped frame 6 for a long time, the skin can be abraded or the bandage for wrapping the foot can be bandaged, and the protective cover 63 is additionally arranged to protect the foot and the related wrapping material, and has a certain buffering effect to avoid the impact of external strong force. The protective sleeve 63 is an inflatable sleeve or a latex sleeve, and has the function of foot shaping, including outside the foot surface.
It should be noted that, when the present invention relates to a numerical range, it should be understood that two endpoints of each numerical range and any value between the two endpoints can be selected, and since the steps and methods adopted are the same as those in the embodiment, in order to prevent redundancy, the present invention describes a preferred embodiment. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The combined multifunctional physiological bone pressurization external fixation bracket is characterized by comprising a leg bracket for fixing a leg, an ankle bracket for fixing an ankle, a foot bracket for fixing a foot and a longitudinal pressurization bracket;
the leg support comprises a plurality of closed ring frames (1) and first threaded connecting rods (11), and the adjacent closed ring frames (1) are connected through the first threaded connecting rods (11) which are longitudinally arranged;
the ankle support comprises an ankle U-shaped ring frame (2) and a second threaded connecting rod (21), the ankle U-shaped ring frame (2) is positioned below the leg support, and the ankle U-shaped ring frame (2) is connected with the closed ring frame (1) through the second threaded connecting rod (21) which is longitudinally arranged;
the foot support comprises a foot U-shaped ring frame (3), a third threaded connecting rod (4), a transverse connecting rod (5), an angle adjusting device and a C-shaped frame (6), the foot U-shaped ring frame (3) is positioned below the ankle U-shaped ring frame (2), the foot U-shaped ring frame (3) is connected with the ankle U-shaped ring frame (2) through the third threaded connecting rod (4), first longitudinal plates (31) are respectively arranged on two sides of the open end of the foot U-shaped ring frame (3), the opening of the C-shaped frame (6) faces downwards, two ends of the C-shaped frame (6) are rotatably connected with the transverse connecting rod (5) through a first rotating device, one end, far away from the C-shaped frame (6), of the transverse connecting rod (5) is fixedly provided with a second longitudinal plate (7), and the first longitudinal plate (31) is connected with the second longitudinal plate (7) through a fourth threaded connecting rod (71), the angle adjusting device comprises a pulling threaded rod (8) which is rotatably connected with the C-shaped frame (6) through a second rotating device, one end, far away from the C-shaped frame (6), of the pulling threaded rod (8) is connected to the second longitudinal plate (7) in a penetrating mode and is connected with the second longitudinal plate (7) in a vertically sliding mode, and a limiting device (81) capable of limiting the sliding of the pulling threaded rod (8) is installed on the second longitudinal plate (7);
the upper end of the longitudinal pressurizing support is connected to the closed ring frame (1), and the bottom end of the longitudinal pressurizing support is rotatably connected to the top end of the C-shaped frame (6) through a third rotating device;
the longitudinal pressurizing support comprises a longitudinal traction rod (9) and a transverse connecting device (91) rotatably mounted on the longitudinal traction rod (9), one end, far away from the longitudinal traction rod (9), of the transverse connecting device (91) is connected to the closed ring frame (1), and the bottom end of the longitudinal traction rod (9) is rotatably connected to the top end of the C-shaped frame (6) through a third rotating device;
the closed ring frame (1) positioned at the top is fixedly provided with a longitudinal screw rod close to the longitudinal pressurizing support, the transverse connecting device (91) consists of a transverse connecting plate and threaded rings fixed at two ends of the transverse connecting plate, one threaded ring is in threaded connection with the longitudinal traction rod (9), the other threaded ring is in threaded connection with the longitudinal screw rod, a fixing nut is arranged above the threaded ring on the longitudinal screw rod, and fixing nuts are also respectively arranged above and below the threaded ring on the longitudinal traction rod (9).
2. The combined multifunctional physiological bone pressurization external fixation bracket as claimed in claim 1, wherein the upper surface and the lower surface of the closed ring frame (1) are both provided with first threaded through holes, and the first threaded connecting rod (11) is screwed in the first threaded through holes and detachably mounted on the closed ring frame (1) through a first nut.
3. The combined multifunctional physiological bone pressurization external fixation bracket as claimed in claim 1, wherein the ankle U-shaped ring frame (2) has a second threaded through hole on both the upper surface and the lower surface, one end of the second threaded connecting rod (21) is screwed into the second threaded through hole on the upper surface of the ankle U-shaped ring frame (2) and is detachably mounted on the ankle U-shaped ring frame (2) through a second nut, and the other end of the second threaded connecting rod (21) is screwed into the first threaded through hole on the lower surface of the lowermost closed ring frame (1) and is detachably mounted on the closed ring frame (1) through a third nut.
4. The combined multifunctional physiological bone pressurization bone external fixation bracket according to claim 3, characterized in that the foot U-shaped ring frame (3) is horizontally arranged, and the openings of the foot U-shaped ring frame (3) and the ankle U-shaped ring frame (2) are both arranged towards the C-shaped frame (6).
5. The combined multifunctional physiological bone pressurization bone external fixation bracket as claimed in claim 1, wherein the second longitudinal plate (7) is provided with a longitudinal sliding groove (72), and the pulling threaded rod (8) is slidably connected to the longitudinal sliding groove (72).
6. The combined multifunctional physiological bone pressurization external fixation bracket as claimed in claim 1, wherein the limiting means (81) is two limiting nuts screwed on the pulling threaded rod (8), and the two limiting nuts are respectively located at two sides of the second longitudinal plate (7).
7. The combined multifunctional physiological bone pressurization bone external fixation bracket according to claim 1, characterized in that the first rotating device comprises a loose leaf (61) and a threaded sleeve (62) fixed on one of the loose leaves (61), the other loose leaf of the loose leaf (61) is installed on the C-shaped frame, and the threaded sleeve (62) is screwed on the drawing threaded rod (8).
8. The combined multifunctional physiological bone pressurization bone external fixation bracket as claimed in claim 1, characterized in that the outer part of the C-shaped frame (6) is sleeved with a protective sleeve (63).
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| CN201810757297.4A CN109106434B (en) | 2018-07-11 | 2018-07-11 | Combined multifunctional physiological bone pressurization bone external fixation support |
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| CN201810757297.4A CN109106434B (en) | 2018-07-11 | 2018-07-11 | Combined multifunctional physiological bone pressurization bone external fixation support |
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| CN109106434B true CN109106434B (en) | 2021-01-15 |
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| CN109771020B (en) * | 2019-02-11 | 2021-07-30 | 北京工业大学 | Three-rod parallel external fixator for correcting tibial deformity |
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| CN2101474U (en) * | 1991-08-17 | 1992-04-15 | 赵铭 | External fixture capable of carrying out functional movement for arm |
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| US20100280516A1 (en) * | 2009-04-30 | 2010-11-04 | Jeffrey Taylor | Accessory Device for an Orthopedic Fixator |
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