CN109567921B - Atlantoaxial dislocation reduction internal fixation device - Google Patents
Atlantoaxial dislocation reduction internal fixation device Download PDFInfo
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- CN109567921B CN109567921B CN201811464773.XA CN201811464773A CN109567921B CN 109567921 B CN109567921 B CN 109567921B CN 201811464773 A CN201811464773 A CN 201811464773A CN 109567921 B CN109567921 B CN 109567921B
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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Abstract
The invention discloses an atlantoaxial dislocation reduction internal fixation device, which mainly comprises a connecting frame body and a fixing plate; the left end and the right end of the connecting frame body are respectively provided with a placing groove, an adjusting piece is arranged in each placing groove, the fixed plate is located below the connecting frame body, the left end and the right end of the fixed plate are respectively provided with a first clamping plate and a second clamping plate in a penetrating mode, the inner sides of the lower ends of the first clamping plate and the second clamping plate are vertically provided with a clamp mouth, the upper end of the first clamping plate is horizontally provided with two guide rods, a rotating cavity is fixed on the right surface of the fixed plate, a transmission gear is arranged in the rotating cavity, a spiral rod penetrates through the rotating cavity in the horizontal direction, a buffer frame is arranged between the fixed block and the first clamping plate and comprises a movable groove, a spring, a sliding rod, a support rod and a hydraulic rod, a support frame is arranged behind the connecting frame body and comprises a support plate, a guide plate, a telescopic rod and a traction belt.
Description
Technical Field
The invention belongs to the technical field of surgical operations, and particularly relates to an atlantoaxial dislocation reduction internal fixation device.
Background
The dislocation of the atlantoaxial joint, or called as dislocation of the atlantoaxial and the epistropheus, means that the joint between the first segment (atlas) and the second segment (epistropheus) of the cervical vertebra loses the normal involution relationship, the dislocation of the atlantoaxial is a serious disease, because the atlas and the epistropheus are dislocated, the forward or backward dislocation of the atlas presses the upper cervical marrow, the patient suddenly suffers from hard paralysis due to slight injury of the head and neck or excessive flexion and extension of the cervical vertebra, the marrow extension and high cervical marrow are pressed, and the severe patient suffers from quadriplegia, even exhaustion of breathing and death even paralysis of respiratory muscles and death.
Currently, the commonly used surgical devices usually reposition the atlanto-odontoid joint dislocation of the atlantoaxial directly by tightening the pedicle screws of the atlantoaxial vertebrae. However, the operation is carried out in such a way, the requirement on an operator is high, the operation difficulty is high, the joint is not easy to accurately reset, secondary damage is caused, the existing atlantoaxial dislocation resetting internal fixing device cannot carry out internal reinforcement according to the specific situation of a patient, the patient's inadaptability is caused, the dislocation resetting treatment efficiency is reduced, and meanwhile, the good stability is provided in the prior art, the physiological activity function of the fusion segmental cervical vertebra is sacrificed, the atlantoaxial part cannot be well fixed at a proper angle, and the activity function of the postoperative cervical vertebra is obviously limited at the expense of the atlantoaxial joint function.
Disclosure of Invention
Aiming at the technical problems, the invention provides an atlantoaxial dislocation reduction internal fixation device.
The technical scheme of the invention is as follows: an atlantoaxial dislocation reduction internal fixation device mainly comprises a connecting frame body and a fixing plate; the left end and the right end of the connecting frame body are respectively provided with a placing groove I, an adjusting piece is arranged in the placing groove I, the middle end in the adjusting piece is horizontally provided with a connecting plate, the connecting plate is provided with a rotating gear, the rotating gear is externally connected with a rotating handle, the upper end and the lower end in the adjusting piece are respectively provided with an arc-shaped rack, the arc-shaped racks are in sliding connection with the inner wall of the adjusting piece, the far end of each arc-shaped rack is fixedly provided with a reinforcing cylinder, the rotating gear is meshed with the arc-shaped racks, and the arc-shaped racks are used for driving the reinforcing cylinder; the fixed plate is positioned below the connecting frame body, a first clamping plate and a second clamping plate are respectively arranged at the left end and the right end of the fixed plate in a penetrating manner, clamp mouths are vertically arranged on the inner sides of the lower ends of the first clamping plate and the second clamping plate, two guide rods are horizontally arranged at the upper end of the first clamping plate, movable blocks are respectively sleeved outside the two guide rods, the movable blocks are arranged on the second clamping plate, a fixed block is arranged on the second clamping plate, and the fixed block is positioned between the two movable blocks; a rotating cavity is fixed on the right surface of the fixing plate, a transmission gear is arranged in the rotating cavity, the transmission gear is externally connected with a rotating rod, a spiral rod penetrates through the rotating cavity in the horizontal direction, the left end of the spiral rod is movably connected with the fixing block, and the rotating rod is connected with the spiral rod through the transmission gear; a buffer frame is arranged between the fixed block and the first tightening plate, the buffer frame comprises a movable groove, a spring, a sliding rod, a support rod and a hydraulic rod, the movable groove is fixed at the left end of the fixed block, the spring is positioned in the movable groove and used for buffering the sliding rod, one end of the sliding rod is fixed with the first tightening plate, the other end of the sliding rod is in sliding connection with the inner wall of the movable groove, the number of the support rods is two, the near ends of the two support rods are respectively hinged with the sliding rod through a rotating shaft, the far ends of the support rods are hinged with the movable groove, the number of the hydraulic rods are two and are respectively positioned between the two support rods and the first tightening plate, a support frame is arranged at the rear of the connecting frame body and comprises a support plate, a guide plate, a telescopic rod and a traction belt, the support plate is fixed at the rear of the connecting frame body, the guide, the two movable rods are L-shaped, the two telescopic rods are fixed at the left end and the right end above the guide plate respectively, the traction belt is connected with the two telescopic rods respectively, and a protective pad is arranged on the traction belt.
Furthermore, the inner wall of the clamp mouth is provided with a protective pad, so that the phenomenon that the force of the clamp mouth is too large to cause secondary injury is prevented.
Furthermore, I upper surface of standing groove is equipped with the scale mark, can control the distance between the reinforcement section of thick bamboo.
Further, be equipped with the sleeve pipe on first step-up board and the second step-up board, sleeve pipe one end and first step-up board and second step-up board fixed connection, the other end and first step-up board and second step-up board swing joint, the intraductal spring that is equipped with of cover, intraductal wall of sleeve pipe are equipped with the recess, and first step-up board is equipped with the lug with the second step-up outer wall, the lug cooperatees with the recess, fixes through the sheathed tube bolt for the length of controlling first step-up board and second step-up board, through the bone of different positions, adjusts the length that first step-up board and second step-up board, improves the suitability.
Further, the guide plate comprises a screw rod and two placing grooves II, two horizontal through grooves are respectively arranged on two sides of the guide plate, a vertical through groove is arranged in the middle of the guide plate, a rotating shaft is arranged at the middle end of the screw rod, a rotating ring is sleeved outside the rotating shaft and penetrates through the vertical through groove, two moving rods are respectively positioned at the left end and the right end of the screw rod and penetrate through the horizontal through groove, the moving rods are connected with the screw rod through sleeves, each moving rod is provided with a regulating rod, the two regulating rods are provided with a sliding sleeve and a regulating auxiliary rod, a spring support rod is arranged in the sliding sleeve and is arranged at the lower end in the sliding sleeve in a sliding manner through the spring support rod, a fixed clamping plate is fixed below the regulating auxiliary rod, the two placing grooves II are respectively provided with guide rail rods, the guide rail rods are connected with the moving rods through moving blocks, and folding rods are, the guide rail rod passes through the folding rod is connected with the carriage release lever, is equipped with the spring on the guide rail rod, can carry out the fixed between head and the neck to patient's fixed part, plays and carries out suitable fixed position to the patient.
Furthermore, a ball is arranged at the joint of the screw threads between the screw rod and the fixed block, so that the screw rod is prevented from being locked during rotation.
Furthermore, the vertical level gauge arranged on the connecting frame body is convenient for fixing the direction of the adjusting device and the bone at a fixed position, and the accuracy is improved.
Further, the protective pad is provided with a physical therapy layer, nursing liquid medicine is sprayed in the physical therapy layer, the nursing liquid medicine is composed of parasitic loranthus, gallnut, ligusticum wallichii, benzoin and borneol, and the mass ratio of the aristolochia debilis, the gallnut, the homalomena occulta, the caulis spatholobi and the lavender is 1:1:2:3: 2; mixing herba Taxilli, Galla chinensis, rhizoma Ligustici Chuanxiong, and Benzonum according to the above proportion, grinding, adding distilled water, performing microwave heating for 5min, stirring, adding Borneolum Syntheticum, heating to 70 deg.C, adding 5.5mg/L sodium benzoate, stirring, cooling to room temperature under vacuum, spraying the prepared mixture onto physical therapy layer, and allowing herba Taxilli, Galla chinensis, and rhizoma Ligustici Chuanxiong to pass through channels and activate collaterals, and Benzonum and Borneolum Syntheticum to refresh brain.
The working principle of the invention is as follows: when in use, the rotating gear is meshed with the arc-shaped rack, the distance relation between the two reinforcing cylinders in the placing groove is adjusted, the two reinforcing cylinders are arranged at two sides of the bone, then the rotating rod is rotated and is connected with the spiral rod through the transmission gear to drive the second clamping plate to move on the guide rod, and through the matching between the second clamping plate and the first clamping plate, meanwhile, the buffer frame buffers the movement of the second clamping plate, when the two support rods in the buffer frame are parallel, namely, the forceps mouth is completely attached, so that the forceps mouth can reset and reinforce the posterior arch of the atlas, finally the rotating ring is rotated to drive the screw rod to rotate, the position of the moving rod relative to the shoulder part of the patient is adjusted, the fixed splint can fix the shoulder of the patient, the traction belt is guaranteed to fix and pull the head and forehead of the patient by adjusting the telescopic rod, and the angle between the head and the neck of the patient is adjusted to a proper position.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and simple operation, can ensure the position adjustment and fixation of bones of different patients through the matching action between the connecting frame body and the fixing plate, improves the adaptability, ensures the firmness of the reinforced part, does not need to implant lateral mass screws or transarticular screws through the traction, reduction and fixation of the atlas position, avoids serious iatrogenic complications such as spinal cord or vascular injury, greatly relieves the inconvenience and pain of the patients through the angle between the head and the neck of the patients by the supporting frame, keeps the normal moving range of the upper cervical vertebra, and has simple and safe operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a fixing plate according to the present invention;
FIG. 3 is a schematic structural view of the bushing of the present invention;
FIG. 4 is a schematic view of the structure of the adjusting member of the present invention;
FIG. 5 is a side view of the present invention;
FIG. 6 is a schematic structural diagram of the support frame of the present invention;
FIG. 7 is an external view of a guide plate of the present invention;
wherein, 1-connecting frame body, 11-placing groove I, 12-adjusting piece, 13-connecting plate, 14-rotating gear, 15-arc rack, 16-reinforcing cylinder, 2-fixing plate, 20-sleeve, 201-groove, 202-lug, 203-bolt, 21-first clamping plate, 22-second clamping plate, 23-clamp mouth, 24-guide rod, 241-movable block, 25-fixed block, 26-rotating cavity, 261-rotating gear, 262-rotating rod, 263-screw rod, 27-buffer bracket, 271-movable groove, 272-spring, 273-sliding rod, 274-supporting rod, 275-hydraulic rod, 31-supporting rod, 32-guide plate, 320-adjusting rod, 3201-sliding sleeve, 3202-adjusting auxiliary rod, 3203-spring supporting rod, 321-screw rod, 322-moving rod, 323-placing groove II, 324-horizontal through groove, 325-vertical through groove, 326-rotating shaft, 327-rotating ring, 328-fixed clamping plate, 329-guide rail rod, 330-folding rod, 33-telescopic rod, 34-traction belt and 35-protective cushion.
Detailed Description
Example (b):
as shown in figures 1, 5 and 7, the atlantoaxial dislocation reduction internal fixation device mainly comprises a connecting frame body 1 and a fixing plate 2, wherein a level meter is vertically arranged on the connecting frame body 1; as shown in fig. 1 and 4, the left end and the right end of the connecting frame body 1 are respectively provided with a placing groove i 11, the upper surface of the placing groove i 11 is provided with scale marks, an adjusting part 12 is arranged in the placing groove i 11, the middle end of the adjusting part 12 is horizontally provided with a connecting plate 13, the connecting plate 13 is provided with a rotating gear 14, the rotating gear 14 is externally connected with a rotating handle, the upper end and the lower end of the adjusting part 12 are respectively provided with an arc-shaped rack 15, the far end of the arc-shaped rack 15 is fixed with a reinforcing cylinder 16, the rotating gear 14 is meshed with the arc-shaped rack 15, the arc-shaped rack 15 drives the reinforcing cylinder 16 by the rotation of the rotating gear 14, the supporting frame 3 is arranged behind the connecting frame body 1, the supporting frame 3 comprises a supporting plate 31, a guiding plate 32, an expansion link 33 and a traction belt 34, the supporting plate 31 is fixed behind the connecting frame body 1, the guiding, the two movable rods 322 are L-shaped, two telescopic rods 33 are provided and are respectively fixed at the left end and the right end above the guide plate 32, the traction belt 34 is respectively connected with the two telescopic rods 33, and a protective pad 35 is arranged on the traction belt 34; as shown in fig. 1, 2 and 3, the fixing plate 2 is located below the connecting frame body 1, the left and right ends of the fixing plate 2 are respectively provided with a first clamping plate 21 and a second clamping plate 22 in a penetrating manner, the first clamping plate 21 and the second clamping plate 22 are respectively provided with a sleeve 20, one end of the sleeve 20 is fixedly connected with the first clamping plate 21 and the second clamping plate 22, the other end of the sleeve 20 is movably connected with the first clamping plate 21 and the second clamping plate 22, a spring is arranged in the sleeve 20, the inner wall of the sleeve 20 is provided with a groove 201, the outer walls of the first clamping plate 21 and the second clamping plate 22 are provided with a projection 202, the projection 202 is matched with the groove 201 and fixed by a bolt 203 on the sleeve 20 for controlling the length of the first clamping plate 21 and the second clamping plate 22, the inner sides of the lower ends of the first clamping plate 21 and the second clamping plate 22 are vertically provided with a clamp mouth 23, the inner wall of the clamp mouth 23 is provided with a protective pad, the upper end of the first clamping plate 21 is horizontally provided with two, the two guide rods 24 are respectively sleeved with a movable block 241, the movable block 241 is arranged on the second clamping plate 22, a fixed block 25 is arranged on the second clamping plate 22, and the fixed block 25 is positioned between the two movable blocks 241; a rotating cavity 26 is fixed on the right surface of the fixed plate 2, a transmission gear 261 is arranged in the rotating cavity 26, the transmission gear 261 is externally connected with a rotating rod 262, a spiral rod 263 penetrates through the rotating cavity 26 in the horizontal direction, the left end of the spiral rod 263 is movably connected with the fixed block 25, a ball is arranged at the joint of threads between the spiral rod 263 and the fixed block 25, the rotating rod 262 is connected with the spiral rod 263 through the transmission gear 261, a buffer frame 27 is arranged between the fixed block 25 and the first tightening plate 21, the buffer frame 27 comprises a movable groove 271, a spring 272, a sliding rod 273, supporting rods 274 and hydraulic rods 275, the movable groove 271 is fixed at the left end of the fixed block 25, the spring 272 is positioned in the movable groove 271 and used for buffering the sliding rod 273, one end of the sliding rod 273 is fixed with the first tightening plate 21, the other end of the sliding rod 273 is slidably connected with the inner wall of the movable groove 271, two, the distal ends of the supporting rods 274 are hinged to the movable grooves 271, and two hydraulic rods 275 are provided, which are respectively located between the two supporting rods 274 and the first clamping plate 21.
As shown in fig. 6, the guide plate 32 includes a screw 321 and a placement groove ii 323, two horizontal through grooves 324 are respectively disposed on two sides of the guide plate 32, a vertical through groove 325 is disposed in the middle of the guide plate 32, a rotating shaft 326 is disposed at the middle end of the screw 321, a rotating ring 327 is sleeved outside the rotating shaft 326 and penetrates through the vertical through groove 325, two moving rods 322 are respectively disposed at the left and right ends of the screw 321, the moving rods 322 penetrate through the horizontal through grooves 324, the moving rods 322 are connected to the screw 321 through a sleeve, each moving rod 322 is provided with an adjusting rod 320, two adjusting rods 320 are provided with a sliding sleeve 3201 and an adjusting auxiliary rod 3202, a spring strut 3203 is disposed in the sliding sleeve 3201, the adjusting auxiliary rod 3202 is slidably disposed at the lower end of the sliding sleeve 3201 through the spring strut 3203, a fixing splint 328 is fixed below the adjusting auxiliary rod 3202, a restraining band is disposed on the fixing splint 328 to fix the, the two placing grooves II 323 are both provided with a guide rail rod 329, the guide rail rod 329 is connected with the moving rod 322 through a moving block, the guide rail rod 329 is provided with a folding rod 330, the guide rail rod 329 is connected with the moving rod 322 through the folding rod 330, and the guide rail rod 329 is provided with a spring.
The protective pad is provided with a physical therapy layer, nursing liquid medicine is sprayed in the physical therapy layer, the nursing liquid medicine is composed of parasitic loranthus, gallnut, ligusticum wallichii, benzoin and borneol, and the mass ratio of the birthwort, the gallnut, the homalomena occulta, the caulis spatholobi and the lavender is 1:1:2:3: 2; mixing herba Taxilli, Galla chinensis, rhizoma Ligustici Chuanxiong, and Benzonum according to the above proportion, grinding, adding distilled water, performing microwave heating for 5min, stirring, adding Borneolum Syntheticum, heating to 70 deg.C, adding 5.5mg/L sodium benzoate, stirring, cooling to room temperature under vacuum, spraying the prepared mixture onto physical therapy layer, and allowing herba Taxilli, Galla chinensis, and rhizoma Ligustici Chuanxiong to pass through channels and activate collaterals, and Benzonum and Borneolum Syntheticum to refresh brain.
When in use, the rotating gear 14 is meshed with the arc-shaped rack 15 to adjust the distance relationship between the two reinforcing cylinders 16 in the placing groove I11, the two reinforcing cylinders 16 are arranged at two sides of the bone, then the rotating rod 262 is rotated, the rotating rod 262 is connected with the screw rod 263 through the transmission gear 14 to drive the second clamping plate 22 to move on the guide rod 24, the second clamping plate 22 is matched with the first clamping plate 21, the buffer frame 27 buffers the movement of the second clamping plate 22, when the two support rods 274 in the buffer frame 27 are parallel, the forceps mouth 23 is completely attached to reset and reinforce the atlantoaxial spine, finally the rotating ring 322 is rotated to drive the screw rod 321 to rotate, the position of the moving rod 322 relative to the shoulder of the patient is adjusted, the fixed splint 328 fixes the shoulder of the patient, the telescopic rod 33 is adjusted to ensure that the traction belt 34 fixedly pulls the head and forehead of the patient, the angle between the head and the neck of the patient is adjusted to a proper position.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. An atlantoaxial dislocation reduction internal fixation device is characterized by mainly comprising a connecting frame body (1) and a fixing plate (2); the left end and the right end of the connecting frame body (1) are respectively provided with a placing groove I (11), an adjusting part (12) is arranged in the placing groove I (11), a connecting plate (13) is horizontally arranged at the middle end in the adjusting part (12), a rotating gear (14) is arranged on the connecting plate (13), a rotating handle is externally connected with the rotating gear (14), arc-shaped racks (15) are respectively arranged at the upper end and the lower end in the adjusting part (12), the far ends of the arc-shaped racks (15) are fixedly provided with reinforcing cylinders (16), the rotating gear (14) is meshed with the arc-shaped racks (15), and the arc-shaped racks (15) are used for driving the reinforcing cylinders (16) by utilizing the rotation of the rotating gear (14); the fixed plate (2) is located below the connecting frame body (1), a first clamping plate (21) and a second clamping plate (22) are arranged at the left end and the right end of the fixed plate (2) in a penetrating mode respectively, a clamp mouth (23) is vertically arranged on the inner sides of the lower ends of the first clamping plate (21) and the second clamping plate (22), two guide rods (24) are horizontally arranged at the upper end of the first clamping plate (21), movable blocks (241) are sleeved on the two guide rods (24) respectively, the movable blocks (241) are arranged on the second clamping plate (22), fixed blocks (25) are arranged on the second clamping plate (22), and the fixed blocks (25) are located between the two movable blocks (241); a rotating cavity (26) is fixed on the right surface of the fixing plate (2), a transmission gear (261) is arranged in the rotating cavity (26), the transmission gear (261) is externally connected with a rotating rod (262), a spiral rod (263) penetrates through the rotating cavity (26) in the horizontal direction, the left end of the spiral rod (263) is movably connected with the fixing block (25), and the rotating rod (262) is connected with the spiral rod (263) through the transmission gear (261); be equipped with between fixed block (25) and the first board (21) that steps up and cushion (27), cushion (27) are including activity groove (271), spring (272), slide bar (273), branch (274), hydraulic stem (275), the left end of fixed block (25) is fixed in activity groove (271), spring (272) are located activity groove (271) inside, the one end and the first board (21) that steps up of slide bar (273) are fixed mutually, the other end and activity groove (271) inner wall sliding connection, branch (274) have two, and two branch (274) near-ends are passed through the axis of rotation and are articulated with slide bar (273) respectively, and branch (274) distal end is articulated with activity groove (271), hydraulic stem (275) have two, are located respectively between two branch (274) and the first board (21) that steps up, it is equipped with the support frame to connect support body (1) rear, the support frame includes support plate (31), Deflector (32), telescopic link (33), traction area (34), backup pad (31) are fixed in and connect support body (1) rear, deflector (32) are placed for the level, and are fixed in on backup pad (31), and deflector (32) below symmetry is equipped with two carriage release levers (322), and two carriage release levers (322) are the L type, telescopic link (33) have two, are fixed in the both ends about deflector (32) top respectively, traction area (34) link to each other with two telescopic links (33) respectively, are equipped with protective pad (35) on traction area (34).
2. The atlantoaxial dislocation reduction internal fixation device as claimed in claim 1, wherein the inner wall of the forceps mouth (23) is provided with a protective pad.
3. The atlantoaxial dislocation reduction internal fixation device as claimed in claim 1, wherein the upper surface of the placement groove I (11) is provided with scale marks.
4. The atlantoaxial dislocation reduction internal fixation device as claimed in claim 1, wherein a sleeve (20) is provided on the first clamping plate (21) and the second clamping plate (22), one end of the sleeve (20) is fixedly connected with the first clamping plate (21) and the second clamping plate (22), the other end is movably connected with the first clamping plate (21) and the second clamping plate (22), a spring is provided in the sleeve (20), a groove (201) is provided on the inner wall of the sleeve (20), a protrusion (202) is provided on the outer wall of the first clamping plate (21) and the second clamping plate (22), the protrusion (202) is matched with the groove (201) and fixed by a bolt (203) on the sleeve (20) for controlling the length of the first clamping plate (21) and the second clamping plate (22).
5. The atlantoaxial dislocation reduction internal fixation device as claimed in claim 1, wherein the guide plate (32) comprises a screw (321) and a placement groove II (323), two horizontal through grooves (324) are respectively arranged on two sides of the guide plate (32), a vertical through groove (325) is arranged in the middle of the guide plate (32), a rotating shaft (326) is arranged at the middle end of the screw (321), a rotating ring (327) is sleeved outside the rotating shaft (326), the rotating ring (327) penetrates through the vertical through groove (325), two moving rods (322) are respectively arranged at the left end and the right end of the screw (321), the moving rods (322) penetrate through the horizontal through grooves (324), the moving rods (322) are connected with the screw (321) through a sleeve, each moving rod (322) is provided with an adjusting rod (320), a sliding sleeve (3201) and an adjusting auxiliary rod (3202) are arranged on the two adjusting rods (320), be equipped with spring branch (3203) in sliding sleeve (3201), adjust vice pole (3202) and slide through spring branch (3203) and set up sliding sleeve (3201) inside lower extreme, adjust vice pole (3202) below and be fixed with solid fixed splint (328), standing groove II (323) have two, and two standing grooves II (323) all are provided with guide rail rod (329), guide rail rod (329) are connected with carriage release lever (322) through the movable block, are equipped with folding rod (330) on guide rail rod (329), and guide rail rod (329) pass through folding rod (330) are connected with carriage release lever (322), are equipped with the spring on guide rail rod (329).
6. The atlantoaxial dislocation reduction internal fixation device as claimed in claim 1, wherein a threaded interface between the screw rod (263) and the fixation block (25) is provided with a ball.
7. The atlantoaxial dislocation reduction internal fixation device as claimed in claim 1, wherein a level is vertically provided on the connecting frame body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464773.XA CN109567921B (en) | 2018-12-03 | 2018-12-03 | Atlantoaxial dislocation reduction internal fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464773.XA CN109567921B (en) | 2018-12-03 | 2018-12-03 | Atlantoaxial dislocation reduction internal fixation device |
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| Publication Number | Publication Date |
|---|---|
| CN109567921A CN109567921A (en) | 2019-04-05 |
| CN109567921B true CN109567921B (en) | 2021-03-09 |
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| CN201811464773.XA Active CN109567921B (en) | 2018-12-03 | 2018-12-03 | Atlantoaxial dislocation reduction internal fixation device |
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| CN112932884B (en) * | 2021-01-28 | 2022-07-12 | 鄂东医疗集团市中心医院 | Airway smoothing device for severe medical respiration support |
| CN114308928B (en) * | 2021-12-17 | 2023-05-09 | 深圳市中微泽电子有限公司 | Medical treatment is with gynaecology's straw belt cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1319494C (en) * | 2004-04-12 | 2007-06-06 | 张立 | Front path implanted upper cervical vertebra internal fixing device |
| US8926666B2 (en) * | 2011-11-23 | 2015-01-06 | Globus Medical, Inc. | Cervical spine spacer |
| CN106175897B (en) * | 2016-08-25 | 2019-07-05 | 青岛大学附属医院 | A kind of atlantoaxial dislocation reduction fixation device |
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