CN202526289U - Resetting fixing device in single vertebral body of human body - Google Patents
Resetting fixing device in single vertebral body of human body Download PDFInfo
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- CN202526289U CN202526289U CN2012201580458U CN201220158045U CN202526289U CN 202526289 U CN202526289 U CN 202526289U CN 2012201580458 U CN2012201580458 U CN 2012201580458U CN 201220158045 U CN201220158045 U CN 201220158045U CN 202526289 U CN202526289 U CN 202526289U
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Abstract
A resetting fixing device in a single vertebral body of a human body comprises an upper artificial end plate and a lower artificial end plate. Graft bone is fixed between the upper artificial end plate and the lower artificial end plate, screw holes are arranged at one ends of the artificial end plates, and a fixing frame can be fixed with the screw holes at one ends of the artificial end plates through screws. Protrusions and small holes are arranged on the artificial end plates. The resetting fixing device has the advantages that graft bone quantity can be randomly adjusted according to requirements, the graft bone is more compact, and fracture is healed faster. 'A fuse device in the vertebral body' is especially made of titanium materials, is good in tissue compatibility and strong in strength, and has the supporting and fixing effects. The risk that spinal cord and nerve roots are possibly damaged without posterior vertebral arch root graft bone is removed, and the operation is safe.
Description
Technical field
This utility model relates to a kind of device of treating compressed fracture of thoracic vertebra and lumber vertebra, is reseting fixture in a kind of human body list vertebral body specifically.
Background branch art
Lumbar vertebra compression fracture is modal spinal fracture, and for a long time, modus operandi is limited as way of escape open reduction pedicle of vertebral arch system internal fixation, Qian Lu internal fixation and the front and rear combined approach internal fixation etc. that resets that resets.Especially to compression fracture of vertabral body, way of escape open reduction pedicle of vertebral arch system internal fixation operation has been obtained comparatively satisfied effect.But not only operation wound is big, hemorrhage many for they; Do not meet the requirement of Wicresoft; And the severe complication that it caused also can not be ignored, as: spinal cord or nerve root injury, the loosening fracture of internal fixation, the outside, back bone-graft fusion mortality is high, fixed-segment is many and cause moving cell to reduce and close on the sections regression and quicken or the like.It is few that the short segment internal fixation has fixed-segment, and wound is less relatively, and spinal motion unit forfeiture is few and more meet spinal motion and physiology and receive extensive concern and generally acceptance, is the fashion trend of current internal fixation of spine.At present, the short segment internal fixation has the trend that replaces the long segment internal fixation gradually.
The method of bone graft fusion has interbody bone graft and back outside bone grafting (comprise between bone grafting between transverse process, vertebral plate and between little joint bone grafting between bone grafting, spinous process) etc. in the lumbar vertebra compression fracture open reduction and internal fixation of fracture, is clinical using always.There are some researches show that interbody bone graft directly merges vertebral body, the postoperative fusion rate is higher relatively, and helps recovering disc height, the particularly development and the application of titanium system metal implant-Invasive lumbar fusion device (Cage), and the spinal fusion rate has had further raising.Invasive lumbar fusion device has certain intensity, helps recovering and keeping disc height, and plant bone mass is placed into and is difficult in the Invasive lumbar fusion device moving, and has avoided plant bone mass to come off into canalis spinalis compressing spinal cord and neural danger.At present, the Invasive lumbar fusion device of various materials extensively uses at clinical quilt.Lumbar vertebra compression fracture often forms certain gap or damaged in anterior vertebral after preceding road or the way of escape reset, thereby have a strong impact on the healing of the stability and the fracture on the preceding road of spinal column.Implant from body or homogeneous allogenic bone on clinical normal directly the past road, but the anterior approach wound is big, dissects comparatively complicated.Also have much to be implanted into skeletal grain, but the bone grafting amount is relatively limited, and lacks certain intensity, can not form instant support and stability, so effect is still uncertain through way of escape pedicle of vertebral arch vertebral body.Also have the scholar to attempt adopting after way of escape pedicle of vertebral arch system resets fixedly lumbar vertebra compression fracture; (titanium alloy body augmenter TpBA) implants in the vertebral body of subsiding pedicle, and its inspiration comes from the intervertebral cage notion of reconstruction of intervertebral disc height with " titanium system vertebral body implant " again; This can produce the last one and firm internal structure; Make bone graft in destructive vertebral body, grow up to strong design,, but still use way of escape pedicle of vertebral arch system to reset fixing though it is a bone grafting in the vertebral body; So need merge a sections (two vertebral bodys promptly) at least; Will make after the fusion forfeiture of corresponding segmentation movement unit influences the mobility of spinal column, and quickens degeneration of adjacent seg-ments.
It is clinical that endoscopic technic and less invasive techniques have been widely used in spinal surgery, as: resection of nucleus pulposus, percutaneous puncture lumbar nucleus pulposus transforation and suction, percutaneous vertebroplasty or the like under the MED.Recently, auxiliary application, the laparoscopic technique of anterior approach in lumbar vertebra compression fracture down of thoracoscope treated lumbar disease, the auxiliary protruding preceding road orthopaedy of little otch thoracic vertebra side down of thoracoscope etc. and also at home and abroad progressively carried out through the abdominal cavity.Percutaneous kyphoplasty art meets the principle of Wicresoft, has been widely used in osteoporotic and old compressed fracture of thoracic vertebra and lumber vertebra clinically, has obtained satisfied curative effect.But it also has certain limitation.1, indication is narrower: the air bag reset capability is limited, when collapse of vertebra serious (less than former height 1/3rd) time difficulty that resets; When vertebral body trailing edge structure fracture or destruction, air bag expansion has the danger that makes the displacement of bone piece cause spinal compression to increase the weight of; 2, the seepage of bone cement causes spinal nerves infringement to become biggest threat 3, be not suitable for contrast agent patient hypersensitive etc.
The utility model content
To the deficiency that above-mentioned prior art exists, this utility model provides a kind of minimally-invasive treatment compressed fracture of thoracic vertebra and lumber vertebra that is used for, reseting fixture in the human body list vertebral body that wound is little, healing is fast.
The technical scheme of this utility model is; Reseting fixture in the human body list vertebral body comprises two artificial soleplates up and down, it is characterized in that: be fixed with bone grafting between two artificial soleplates up and down; One end of artificial soleplate has screw, and fixed frame can be fixed with the screw of artificial soleplate one end through screw.
Said artificial soleplate is provided with convexity and aperture.
The utility model has the advantages that: 1, bone grafting amount regulated at will as required, bone grafting is more certain, and union of fracture is fast; 2, special " vertebral body endomixis device " is titanium material, and histocompatibility is good, and intensity is high, can play instant support and fixation; 3, do not have the risk of way of escape pedicle bone grafting possibility Spinal Cord and nerve root, it is safer relatively to perform the operation.
Description of drawings
Fig. 1 is the artificial soleplate structural representation of this utility model.
Fig. 2 is the integral installation structural representation of this utility model.
The specific embodiment
Combine accompanying drawing at present, this utility model is further described.
Like Fig. 1, shown in 2: be fixed with bone grafting 6 between two artificial soleplates 1 up and down, an end of artificial soleplate 1 has screw, and fixed frame 2 can be fixed with the screw of artificial soleplate 1 one ends through screw 3.Said artificial soleplate 1 is provided with convexity 4 and aperture 5.
Claims (2)
1. reseting fixture in the human body list vertebral body; Comprise two artificial soleplates (1) up and down; It is characterized in that: be fixed with bone grafting (6) up and down between two artificial soleplates (1); One end of artificial soleplate (1) has screw, and fixed frame (2) can be fixed with the screw of artificial soleplate (1) one end through screw (3).
2. according to reseting fixture in the said human body list of claim 1 vertebral body, it is characterized in that: said artificial soleplate (1) is provided with convexity (4) and aperture (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012201580458U CN202526289U (en) | 2012-04-16 | 2012-04-16 | Resetting fixing device in single vertebral body of human body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012201580458U CN202526289U (en) | 2012-04-16 | 2012-04-16 | Resetting fixing device in single vertebral body of human body |
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CN202526289U true CN202526289U (en) | 2012-11-14 |
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CN2012201580458U Expired - Fee Related CN202526289U (en) | 2012-04-16 | 2012-04-16 | Resetting fixing device in single vertebral body of human body |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102599969A (en) * | 2012-04-16 | 2012-07-25 | 石门县人民医院 | Human single vertebral internal reduction fixing device |
-
2012
- 2012-04-16 CN CN2012201580458U patent/CN202526289U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102599969A (en) * | 2012-04-16 | 2012-07-25 | 石门县人民医院 | Human single vertebral internal reduction fixing device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20130416 |