CN110101447B - Special fixing device who accords with backbone cervicothorax section anatomy and biomechanics - Google Patents
Special fixing device who accords with backbone cervicothorax section anatomy and biomechanics Download PDFInfo
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- CN110101447B CN110101447B CN201910428689.0A CN201910428689A CN110101447B CN 110101447 B CN110101447 B CN 110101447B CN 201910428689 A CN201910428689 A CN 201910428689A CN 110101447 B CN110101447 B CN 110101447B
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7059—Cortical plates
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
Abstract
The invention discloses a special fixing device conforming to anatomy and biomechanics of cervical and thoracic sections of spines, which comprises a titanium plate body, wherein one end of the titanium plate body is a neck end, the other end of the titanium plate body is a chest end, the width of the chest end is larger than that of the neck end, a plurality of connecting sections are arranged between the chest end and the neck end, the chest end, the neck end and the connecting sections are of an integrated structure, the chest end, the connecting sections and the neck end form a smooth S shape, the anatomical form of the cervical and thoracic sections of spines is conformed, so that the titanium plate body has good adhesiveness, the chest end and the neck end are both provided with a pair of screw holes, threads are arranged in the screw holes and matched with screws, a locking screw hole is further formed between the pair of screw holes, a locking screw is arranged in the locking screw hole in a matched manner, the locking screw hole and the pair of screw holes are positioned on a straight line, the screw cap of the locking screw can clamp the screw cap, and a bone graft is arranged between the locking screws. The invention solves the problem that the special anatomical fixing plate at the part is not available at home and abroad at present.
Description
Technical Field
The invention belongs to the technical field of spinal internal fixation devices, and particularly relates to a special fixation device which accords with anatomy and biomechanics of cervical and thoracic sections of a spine.
Background
The cervical thoracic region of the spine (cervical Junction) generally refers to the region of the cervical to thoracic transition, generally the cervical 6 to thoracic 2 segment. The segment is special in anatomy, specifically, the physiological curvature of the cervical vertebra is a forward protrusion, and the physiological curvature of the thoracic vertebra is a backward protrusion, so that the segment is a region gradually moving from the forward protrusion of the cervical vertebra to the backward protrusion of the thoracic vertebra. In terms of biomechanics, the cervical and thoracic sections of the spine are located between the cervical vertebrae with the greatest mobility and the thoracic vertebrae with the smallest mobility, and are one of the parts where the stress of the spine is most concentrated. Fracture dislocation of the cervical and thoracic regions is not common clinically, and accounts for about 9% of cervical fractures. According to statistics, the number of the Chinese people suffering from the diseases is about 113 thousands of times per year. However, due to the anatomical and biomechanical particularity of the cervico-thoracic region, the stability after injury is very poor, the prognosis is poor, and about 60% -80% of patients can simultaneously combine spinal cord or nerve root compression to generate corresponding stimulation symptoms. Cervical and thoracic fractures are often associated with severe neurological dysfunction and loss of mechanical stability, mainly due to: firstly, the cervical and thoracic sections are positioned in a stress concentration area at the junction of cervical vertebra and thoracic vertebra of a human body, and the stability of the cervical and thoracic sections of the spine after fracture is seriously influenced; secondly, cervical dilatation (from the 4 th cervical medulla to the 1 st thoracic medulla) exists in the vertebral canal of the cervical and thoracic sections, the gap in front of the dura mater spinalis is relatively narrow, and in addition, the injuries are mostly combined with serious intervertebral disc injury or intervertebral disc protrusion, so that the front of the spinal cord is easily seriously pressed to cause paralysis; the thoracic vertebra is affected by the thoracic cage, nerves and the like in front, so that the thoracic vertebra is extremely difficult to expose from the operation and fix in the operation; currently, no matter in the world or at home, an anatomical special fixing plate for fixing the special part is lacked.
The surgical strategy for surgical treatment is to substantially decompress, correct the deformity, restore and reconstruct the anatomical morphology of the spinal canal, promote recovery of nerve function, and stability of the cervico-thoracic region. The anterior, posterior and anterior-posterior combined operation modes are usually adopted clinically. However, over 95% of cervico-thoracic injuries are caused by anterior vertebral body fracture or dislocation, and the anterior central column of the spine is the most important part for maintaining the stability of the spine, so that the optimal treatment method for cervical and thoracic fractures is determined by decompression through the anterior cervical and thoracic passages and bone grafting between vertebral bodies. Therefore, most patients with neck and chest injuries need an anterior surgical treatment. The front approach has small trauma, not only can relieve the spinal cord compression, but also can reconstruct the stability of the spinal column. The pressure reduction bone grafting and the fixing of the fixing plate are carried out from the anterior path, so that the deformity of the cervical and thoracic spine can be corrected, the physiological curvature of the cervical and thoracic spine and the volume in the vertebral canal can be recovered, and the bone grafting block can be prevented from falling off, the poor healing and the formation of a false joint. The reliable internal fixation can improve the immediate stability of the cervical and thoracic spine, is beneficial to the exercise and rehabilitation of patients and reduces the related complications of paraplegia.
When the cervicothorax segment is fixed on the anterior side, a fixing plate is needed to be used for fixing so as to rebuild the stability of the cervicothorax segment spine. However, no anatomical special fixing plate for the part exists at present internationally and domestically, and the cervical vertebra anterior fixing plate is applied to the part at home and abroad. However, the anterior cervical fixing plate is not suitable for fixing the cervical and thoracic spine, mainly for the following reasons: the cervical and thoracic sections include a lower cervical vertebra and an upper thoracic vertebra, the physiological curvature of the lower cervical vertebra is forward convex, and dots are positioned behind the spine. The physiological curvature of the thoracic vertebrae is kyphotic, with the dots located in front of the spine. I.e. the area of the transition from lordosis to kyphosis of the cervical spine. We found by measuring the curvature of the normal adult cervico-thoracic region: the forward curvature of the neck 6-7 segments (including a neck 6 vertebral body, a neck 6.7 intervertebral disc and a neck 7 vertebral body) is 13-15 degrees, and the backward curvature of the chest 1-2 segments (including a chest 1 vertebral body, a chest 1.2 intervertebral disc and a chest 2 vertebral body) is 10-13 degrees. However, the fixing plates applied in clinical practice are all forward-convex cervical vertebra fixing plates with single curvature, and the fixing plates are not suitable for the special part of the cervicothorax section, so that the fixing plates need to be bent in the operation to fix the cervical vertebra and the thoracic vertebra, otherwise, the fixing plates cannot be completely attached to the cervicothorax section spine, so that an included angle is formed between the screw hole of the fixing plate and the corresponding vertebral body, the fixing effect cannot be achieved, and the reconstruction of the stability of the cervicothorax section spine is not facilitated; the transverse diameters of cervical 6 and cervical 7 centrums in the cervical and thoracic sections are 24-28 mm, the transverse diameters of thoracic 1 and thoracic 2 centrums are 30-34 mm, the transverse diameter of the thoracic centrum is wide relative to that of the cervical centrum, and the current anterior cervical fixing plate is of a rectangular structure, does not conform to the anatomical form of the cervical and thoracic centrum, has the characteristic of instable parallelogram and is poor in firmness after fixing; due to the lack of the special anatomical fixing plate at the position, an operator usually selects a relatively long cervical vertebra fixing plate to bend on site, so that the following defects are brought: firstly, the method comprises the following steps: the fixing plate is too long, the risk of the degeneration of adjacent segments is accelerated after the operation, the risk of the cervical disc herniation and the cervical spondylosis is increased at the upper end of the fixing plate, and the risk of the thoracic disc herniation is increased at the lower end of the fixing plate; secondly, the method comprises the following steps: after the fixing plate is bent, the screw holes in the fixing plate are deformed, the fixing nails cannot be completely screwed down or cannot be used at all, so that the fixing plate is easy to loosen, break and the like, severe complications such as esophageal rupture, thoracic cavity infection and the like are caused, and the patient is dead.
Disclosure of Invention
The invention aims to provide a special fixing device which accords with anatomy and biomechanics of cervical and thoracic sections of a spine, and solves the problem that an anatomical special fixing plate of the part is not available at home and abroad at present.
The invention adopts the technical scheme that the special fixing device conforms to the anatomy and biomechanics of the cervical and thoracic spine, and comprises a titanium plate body, wherein one end of the titanium plate body is a neck end, the other end of the titanium plate body is a chest end, the width of the chest end is greater than that of the neck end, the titanium plate body is gradually widened from the neck end to the chest end, a plurality of connecting sections are arranged between the chest end and the neck end, the chest end, the neck end and the connecting sections are of an integrated structure, and the chest end, the connecting sections and the neck end form a smooth S shape, so that the special fixing device conforms to the anatomy shape of the cervical and thoracic spine, and the titanium plate body has good adhesion; a pair of screw holes are formed in the chest end and the neck end, threads are arranged in the screw holes and matched with screws matched with the screw holes, locking screw holes are further formed between the pair of screw holes, locking screws are arranged in the locking screw holes in a matched mode, the locking screw holes and the pair of screw holes are located on the same straight line, and screw caps of the locking screws can be clamped through rotation.
The present invention is also characterized in that,
the connecting section is also provided with a pair of screw holes, threads are arranged in the screw holes and matched with screws matched with the screw holes, locking screw holes are further formed between the pair of screw holes, locking screws are arranged in the locking screw holes in a matched mode, the locking screw holes and the pair of screw holes are located on the same straight line, and screw caps of the locking screws can be clamped.
The head of the lock nail is of a circular-like structure, the diameter of the head of the lock nail is larger than the distance between the pair of screw holes, two ends of one central axis of the head of the lock nail are symmetrically and inwards concave to form a notch, the radian of the notch is consistent with that of the screw hole on the corresponding side, and the head of the lock nail rotates by 90 degrees to lock or loosen the screw.
The number of the connecting sections is 0-2.
The body of the titanium plate between the adjacent lock pins is a bone grafting window with a hollow structure, and the bone grafting window is used for observing the position of bone grafting and the bone grafting condition.
The edges of the chest end and the neck end are both in a rounded corner structure.
The width of the chest end is 20-23 mm, and the width of the neck end is 16-18 mm.
The length from the neck end to the chest end is 24-66 mm.
The included angle between the chest end and the arc tangent plane is 10-13 degrees.
The included angle between the neck end and the arc tangent plane is 12-15 degrees.
The special fixing device has the beneficial effects that the titanium plate is in a trapezoidal design with unequal width, and the design is more in line with the physiological anatomy characteristics of the cervical and thoracic spine; secondly, compared with the traditional titanium plate, the S-shaped titanium plate with the surface neck end and the arc tangent plane of the titanium plate of the invention forming an included angle of 12-15 degrees and the chest end and the arc tangent plane forming an included angle of 10-13 degrees accords with the physiological curvature of the cervical and thoracic spine, has better adhesiveness, and prevents the screw fixed on the vertebral body from being loosened and pulled out due to poor adhesiveness; and finally, when the locking nail is in a locking state, the locking nail can lock the screw to prevent withdrawal, and when the locking nail rotates anticlockwise by 90 degrees, the locking nail can be in a loosening state and can be withdrawn.
Drawings
FIG. 1 is a schematic view of the sagittal section of the special fixture (1 connecting segment) according to the anatomy and biomechanics of cervical and thoracic spine;
FIG. 2 is a top view (without locking screws and bolts) of a unique fixation device of the present invention that conforms to the anatomy and biomechanics of the cervico-thoracic region of the spine;
FIG. 3 is a cross-sectional view of a specialized fixation device of the present invention that conforms to the anatomy and biomechanics of the cervico-thoracic spine;
FIG. 4 is a top view of a specialized fixation device (with locking pins) of the present invention that conforms to the anatomy and biomechanics of the cervico-thoracic region of the spine;
FIG. 5 is an oblique view of a specialized fixation device of the present invention conforming to the anatomy and biomechanics of the cervico-thoracic spine;
FIG. 6 is a top view of a specialized fixation device (with locking screws and bolts) of the present invention that conforms to the anatomy and biomechanics of the cervico-thoracic region of the spine;
fig. 7 is a side view (with locking screws and bolts) of a unique fixation device of the present invention that conforms to the anatomy and biomechanics of the cervico-thoracic region of the spine.
In the figure, 1, a neck end, 2, a chest end, 3, a connecting section, 4, a screw, 5, a locking nail, 6, a screw hole, 7, a locking nail hole and 8, a bone grafting window.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a special fixing device conforming to anatomy and biomechanics of cervical and thoracic spine, which has a structure shown in figures 1-7 and comprises a titanium plate body, wherein one end of the titanium plate body is a neck end 1, the other end of the titanium plate body is a chest end 2, the width of the chest end 2 is larger than that of the neck end 1, a plurality of connecting sections 3 are arranged between the chest end 2 and the neck end 1, the chest end 2, the neck end 1 and the connecting sections 3 are of an integrated structure, and the chest end 2, the connecting section 3 and the neck end 1 form a smooth S shape, the anatomical form of the cervical-thoracic spine is met, the titanium plate body has good adhesion, the chest end 2 and the neck end 1 are both provided with a pair of screw holes 6, the screw holes 6 are internally provided with threads and matched with screws 4 matched with the screw holes, a locking screw hole 7 is further formed between the pair of screw holes 6, a locking screw 5 is arranged in the locking screw hole 7 in a matched mode, the locking screw hole 6 and the pair of screw holes 7 are located on the same straight line, and the screw cap of the locking screw 5 can clamp the screw cap of the screw 4. A pair of screw holes 6 is also formed in the connecting section 3, threads are arranged in the screw holes 6 and matched with screws 4 matched with the screw holes, a locking screw hole 7 is further formed between the pair of screw holes 6, a locking screw 5 is arranged in the locking screw hole 7 in a matched mode, the locking screw hole 6 and the pair of screw holes 7 are located on the same straight line, and a screw cap of the locking screw 5 can clamp the screw cap of the screw 4.
The head of the locking nail 5 is of a circular-like structure, the diameter of the head of the locking nail 5 is larger than the distance between the pair of screw holes, two ends of one central axis of the head of the locking nail 5 are symmetrically and inwards concave to form a notch, the radian of the notch is consistent with that of the screw hole on the corresponding side, and the head of the locking nail 5 rotates by 90 degrees to lock the screw 4 or loosen the screw 4.
The number of the connecting sections 3 is 0-2.
The titanium plate body between the adjacent lock nails 5 is a bone grafting window 8 with a hollow structure, and the position of bone grafting and the bone grafting condition can be directly observed through the bone grafting window 8.
The edges of the chest end 2 and the neck end 1 are both in a rounded structure.
The width of the chest end 2 is 20-23 mm.
The width of the neck end 1 is 16-18 mm.
The length from the neck end 1 to the chest end 2 is 24-66 mm.
The included angle between the breast end 2 and the arc tangent plane is 10-13 degrees.
The included angle between the neck end 1 and the arc tangent plane is 12-15 degrees.
When the special fixing device which accords with the anatomy and biomechanics of the cervical and thoracic sections of the spine is used for fixing, firstly, the neck end 1 of the titanium plate body is placed on the lower cervical vertebra, the chest end 2 of the titanium plate body is placed on the upper thoracic vertebra, and the radian of the titanium plate body can enable the titanium plate body to be fully attached to the vertebral bodies of the cervical and thoracic sections of the spine; screws 4 are vertically screwed into the vertebral bodies of the upper thoracic vertebra and the lower cervical vertebra through screw holes of the thoracic end 2 and the neck end 1 at the two ends of the titanium plate body respectively, so that the holding force of the screws 4 is enhanced; and finally, the locking nail 5 is rotated, so that the arc parts at the two sides of the locking nail 5 are respectively fixed with the screws 4 at the two sides, the stability of the titanium plate body is enhanced, and the screws 4 are prevented from sliding out. When the screw needs to be disassembled, the locking nail 5 is rotated by 90 degrees, so that the part of the locking nail 5, which is concave to form a gap, is just rotated to the edge of the screw 4 on the same side, the locking nail 5 loses the locking function, and at the moment, the screw 4 is screwed out.
In the invention, the width of the fixing plate is determined according to the following steps: the transverse diameters of the neck 6 and neck 7 centrum in the neck and chest section of Chinese people are 24-28 mm, the transverse diameters of the chest 1 and chest 2 centrum are 30-34 mm, the width of the centrum covering more than 2/3 of the plate width is taken as a design principle according to the requirement of clinical use safety, the width of the neck end of the titanium plate is designed to be 16-18 mm, and the width of the chest end is 20-23 mm. Sagittal curvature: the included angle between the neck end 1 and the arc tangent plane is 12-15 degrees, and the included angle between the chest end 2 and the arc tangent plane is 10-13 degrees. Therefore, the fixing plate is designed to have an included angle of 12-15 degrees between the neck end 1 and the arc tangent plane and an included angle of 10-13 degrees between the chest end 2 and the arc tangent plane. And calculating according to the height of the intervertebral disc of 5-6 mm. According to clinical use security needs, the neck end of fixed plate covers upper vertebral body height 1/2, the chest end of fixed plate covers lower vertebral body height 1/2 and is the design principle, according to chinese cervical thoracic section centrum height, the length design of single-section titanium board (containing 2 centrums and 1 intervertebral disc) is 24 ~ 30mm, every 2mm makes the fixed plate of different length for a system of the scale afterwards, wherein the length design of two sections fixed plates (containing 3 centrums and 2 intervertebral discs) is 40 ~ 46mm, the length design of three section fixed plates (containing 4 centrums and 3 intervertebral discs) is 60 ~ 66 mm. See Table 1
TABLE 1 mean value and standard value of each measurement item of Chinese adult vertebral body
Claims (1)
1. A special fixing device which accords with anatomy and biomechanics of cervical and thoracic sections of spines is characterized by comprising a titanium plate body, one end of the titanium plate body is a neck end (1), the other end of the titanium plate body is a chest end (2), the width of the chest end (2) is larger than that of the neck end (1), a plurality of connecting sections (3) are arranged between the chest end (2) and the neck end (1), the chest end (2), the neck end (1) and the connecting sections (3) are of an integrated structure, the chest end (2), the connecting sections (3) and the neck end (1) form a smooth S shape, the anatomy shape of the cervical and thoracic sections spines is conformed, the titanium plate body has good adhesion, the chest end (2) and the neck end (1) are provided with a pair of screw holes (6), the screw holes (4) which are internally provided with threads and matched with the screw holes (6), the locking screw holes (7) are also arranged between the pair of screw holes (6), and locking screws (5) are arranged in the locking holes (7) in a matching manner, the lock nail hole (7) and the pair of screw holes (6) are positioned on a straight line, the nail cap of the lock nail (5) can clamp the nail cap of the screw (4), the connecting section (3) is also provided with the pair of screw holes (6), the screw holes (6) are internally provided with threads and matched with the screws (4), the lock nail hole (7) is also arranged between the pair of screw holes (6), the lock nail (5) is arranged in the lock nail hole (7) in a matched mode, the lock nail hole (7) and the pair of screw holes (6) are positioned on the straight line, the nail cap of the lock nail (5) can clamp the nail cap of the screw (4), the nail cap of the lock nail (5) is of a similar circular structure, the diameter of the nail cap of the lock nail (5) is larger than the distance between the pair of screw holes (6), two ends of one central axis of the nail cap of the lock nail (5) are symmetrically inwards concave to form a notch, and the radian of the notch is consistent with the screw holes (6) on the corresponding side, rotatory 90 degrees of nut cap of staple (5) reach the purpose of pinning screw (4) or loosening screw (4), linkage segment (3) quantity is 0 ~ 2, and the titanium plate body between adjacent staple (5) is hollow out construction's bone grafting window (8), and bone grafting window (8) are used for observing the position of bone grafting and the bone grafting condition, the edge of chest end (2) and neck end (1) is the radius angle structure, the width of chest end (2) is 20 ~ 23mm, the width of neck end (1) is 16 ~ 18mm, the length of neck end (1) to chest end (2) is 24 ~ 66mm, the contained angle is 10 ~ 13 between chest end (2) and the circular arc tangent plane, the contained angle is 12 ~ 15 between neck end (1) and the circular arc tangent plane.
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| CN110101447B true CN110101447B (en) | 2022-05-03 |
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| CN110801272A (en) * | 2019-11-10 | 2020-02-18 | 迪恩医疗科技有限公司 | Internal fixing plate for anterior cervical and thoracic regions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE69835244T2 (en) * | 1997-02-11 | 2007-03-29 | Warsaw Orthopedic, Inc., Warsaw | Plate for the anterior cervical spine with fixation system for one screw |
| RU2177752C2 (en) * | 2000-02-29 | 2002-01-10 | Афанасьев Вениамин Витальевич | Method for stabilizing cervicothoracic transition and superior thoracic vertebrae |
| US7608096B2 (en) * | 2003-03-10 | 2009-10-27 | Warsaw Orthopedic, Inc. | Posterior pedicle screw and plate system and methods |
| CN2726543Y (en) * | 2004-07-10 | 2005-09-21 | 胡立人 | Spine anterior chest and waist plate fixing device |
| US8439915B2 (en) * | 2004-09-29 | 2013-05-14 | The Regents Of The University Of California | Apparatus and methods for magnetic alteration of anatomical features |
| CN201046155Y (en) * | 2007-01-10 | 2008-04-16 | 肖建如 | Mixed internal fixation system for microthorax thorax pediculus arcus vertebralis screw stick |
| CN201101611Y (en) * | 2007-09-07 | 2008-08-20 | 于香兰 | Adjustable cervical vertebra fixer |
| KR20100087334A (en) * | 2007-10-24 | 2010-08-04 | 너바시브 인코퍼레이티드 | Surgical fixation system and related methods |
| US10588565B2 (en) * | 2010-04-22 | 2020-03-17 | Leaf Healthcare, Inc. | Calibrated systems, devices and methods for preventing, detecting, and treating pressure-induced ischemia, pressure ulcers, and other conditions |
| CN102293680B (en) * | 2010-06-24 | 2014-04-16 | 华沙整形外科股份有限公司 | Coplanar straightening system |
| US20120065681A1 (en) * | 2010-09-10 | 2012-03-15 | Dilorenzo Daniel John | Method, apparatus, surgical technique, surgical tools, and materials for minimally invasive enhanced fusion and restoration of kinematically physiologic spinal movement |
| CN104042385A (en) * | 2014-07-11 | 2014-09-17 | 湖南中医药大学 | Spine malformation correcting chair |
| CN205268261U (en) * | 2015-12-02 | 2016-06-01 | 东北大学 | Chest lumbar vertebrae way of escape fine motion fixing system |
| CN205391173U (en) * | 2015-12-04 | 2016-07-27 | 厦门大学附属中山医院 | Go up thoracic vertebrae pedicle of vertebral arch screw internal fixation device |
| CN105361981B (en) * | 2015-12-09 | 2018-01-26 | 北京市富乐科技开发有限公司 | A kind of cervical vertebral fusion cage |
| CN105997322B (en) * | 2016-05-06 | 2018-04-06 | 西安市红会医院 | A kind of three-dimensional controllable head-ring waistcoat traction resetting device of cervical vertebra and its application method |
| CN106419977A (en) * | 2016-10-12 | 2017-02-22 | 中国人民解放军第二军医大学第二附属医院 | Universal automatic spinal retractor |
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