CN211243647U

CN211243647U - External fixing device for spinal surgery

Info

Publication number: CN211243647U
Application number: CN201921207989.8U
Authority: CN
Inventors: 王楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-08-14
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a spinal operation uses external fixation device, comprising a base plate, the board is corrected to the last fixed surface of bottom plate is connected with the vertebra, the top that the board was corrected to the vertebra is equipped with the fixed plate, the top of the board is corrected to the vertebra and the bottom surface fixed connection of fixed plate, the last fixed surface of bottom plate is connected with symmetrical slide bar, the top of bottom plate is equipped with the locating plate, symmetrical slide opening, every are seted up to the upper surface of locating plate the top of slide bar all runs through the slide opening and extends to the top of locating plate, every the surface of slide bar contacts with the inner wall of slide opening, every the top of slide bar all with the bottom surface fixed connection of fixed plate. This external fixation device is used in vertebra operation corrects the board through the vertebra, has reached the correction to the vertebra, has reduced patient's centrum height and has taken place to lose, through the cooperation of screw rod, lock nut and screw, has reached easy operation when using, has avoided the complicated complex operation's of structure problem.

Description

External fixing device for spinal surgery

Technical Field

The utility model relates to the technical field of medical equipment, specifically a spinal surgery uses external fixation device.

Background

Medical devices refer to instruments, devices, appliances, in-vitro diagnostic reagents, calibrators, materials and other similar related items used directly or indirectly on the human body, including computer software as needed, the utility is mainly obtained by physical means and the like, not by pharmacological, immunological or metabolic means, or is involved in such means but plays an auxiliary role, and the purpose is to diagnose, prevent, monitor, treat and relieve diseases, diagnose, monitor, treat, relieve and compensate functions of injuries, check, replace and regulate physiological structures or physiological processes, support or maintain life, control pregnancy, and provide information for medical or diagnostic purposes by examining samples from the human body.

Spine fracture is a common injury in trauma, which causes serious influence on the life quality of patients, and for the treatment of spine fracture without neurological symptoms, a posterior percutaneous minimally invasive internal fixation operation has been used, which not only achieves the effect of fixing the spine, but also has the advantages of small operation trauma, short incision and less operation bleeding amount, but the fixation effect of the percutaneous minimally invasive internal fixation operation is relatively poor compared with the traditional open operation, and simultaneously, the height of the vertebral body of a patient is easily lost to different degrees after the internal fixation is removed no matter the traditional open operation or the percutaneous minimally invasive operation is performed, the existing external fixation device for the spine operation has a complex structure and is complicated to use, so that an external fixation device for the spine operation is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an external fixation device is used in vertebra operation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an external fixing device for spinal surgery comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a spinal correction plate, a fixing plate is arranged above the spine correction plate, the top end of the spine correction plate is fixedly connected with the bottom surface of the fixing plate, the upper surface of the bottom plate is fixedly connected with symmetrical slide bars, a positioning plate is arranged above the bottom plate, the upper surface of the positioning plate is provided with symmetrical slide holes, the top end of each slide bar penetrates through the slide hole and extends to the upper part of the positioning plate, the outer surface of each slide bar is contacted with the inner wall of the slide hole, the top end of each slide bar is fixedly connected with the bottom surface of the fixed plate, the upper surface of bottom plate fixedly connected with backup pad, two the bar through-hole has all been seted up to the side that the backup pad is close to each other, two a side that the backup pad was kept away from each other all is equipped with lock nut.

Two a side that lock nut kept away from each other all is equipped with the screw rod, two the one end that the screw rod is close to each other all runs through lock nut and bar through-hole in proper order and extends to the one side that the backup pad is close to each other, every the one end that the screw rod is close to each other and the left and right sides face fixed connection of locating plate, the right side fixed mosaic of locating plate has a set of symmetrical nut, the right flank of locating plate is equipped with a set of symmetrical screw, every the left end of screw all runs through the nut and extends to the left side of locating plate, every the equal fixedly connected with connecting plate in left end of screw, the symmetrical elastic cord of bottom surface fixedly connected with of fixed plate.

Preferably, each left side of connecting plate all is equipped with the protection pad, every the right flank and the connecting plate fixed connection of protection pad.

Preferably, the bottom surface of the fixed plate is fixedly connected with a protective pad, and the thickness of the protective pad is at least one centimeter.

Preferably, symmetrical limiting blocks are arranged above the bottom plate, and the bottom surface of each limiting block is fixedly connected with the upper surface of the bottom plate.

Preferably, each screw rod one end of keeping away from each other all is equipped with the baffle, two the side that the baffle is close to each other all with the screw rod one end fixed connection who keeps away from each other.

Preferably, one end of each elastic band close to each other is fixedly connected with an insert buckle and a lock nut respectively, and the insert buckles are matched with the lock nuts.

Advantageous effects

The utility model provides an external fixation device is used in vertebra operation possesses following beneficial effect: this external fixing device is used in backbone operation, it pastes tightly with patient's back to correct the board through the vertebra, the protection to patient's vertebra has been reached, correction to patient's vertebra has been played, after dismantling the internal fixation, the phenomenon of losing of different degree takes place for patient's centrum height, through the screw rod, the cooperation of lock nut and bar through-hole has reached the locating plate and has taken place the card pause at gliding in-process, it can fix patient's waist through the screw to have improved, through the cooperation of slide bar and slide opening, fixed and the regulation to the locating plate has been reached, the effect of fixing and adjusting has been improved, correct the board through the vertebra, correction to the vertebra has been reached, patient's centrum height has been reduced and has been lost, through the screw rod, the cooperation of lock nut and screw, easy operation when using has been reached, the complicated complex operation's problem has been avoided the.

Drawings

FIG. 1 is a sectional view of the front view of the positioning plate of the present invention;

FIG. 2 is a side view of the spinal plate of the present invention;

fig. 3 is a top view of the fixing plate of the present invention.

In the figure: the device comprises a base plate 1, a spine correcting plate 2, a sliding rod 3, a supporting plate 4, a strip-shaped through hole 5, a positioning plate 6, a sliding hole 7, a screw 8, a fixing plate 9, a lock nut 10, a screw rod 11, a baffle 12, a protective pad 13, a limiting block 14, a nut 15, a connecting plate 16, an elastic band 17, an inserting buckle 18, a lock nut 19 and a protective pad 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an external fixing device for spinal surgery comprises a bottom plate 1, symmetrical limiting blocks 14 are arranged above the bottom plate 1, the bottom surface of each limiting block 14 is fixedly connected with the upper surface of the bottom plate 1 to achieve the limiting of a positioning plate 6 and improve the protection of the positioning plate 6, a spine correction plate 2 is fixedly connected with the upper surface of the bottom plate 1, a fixing plate 9 is arranged above the spine correction plate 2, a protection pad 13 is fixedly connected with the bottom surface of the fixing plate 9, the thickness of the protection pad 13 is at least one centimeter, the protection of the positioning plate 6 during adjustment is achieved, the collision of the plate 6 due to carelessness is avoided, the top end of the spine correction plate 2 is fixedly connected with the bottom surface of the fixing plate 9, symmetrical sliding rods 3 are fixedly connected with the upper surface of the bottom plate 1, the positioning plate 6 is arranged above the bottom plate 1, symmetrical sliding holes 7 are formed in the upper surface of the positioning plate 6, the top end of each sliding rod 3 penetrates through the sliding holes 7 and extends to the upper, the outer surface of each slide bar 3 contacts with the inner wall of the slide hole 7, the top end of each slide bar 3 is fixedly connected with the bottom surface of the fixing plate 9, the upper surface of the bottom plate 1 is fixedly connected with the supporting plate 4, a strip-shaped through hole 5 is formed in one side face, close to each other, of the two supporting plates 4, and a locking nut 10 is arranged on one side face, far away from each other, of the two supporting plates 4.

One side face, far away from each other, of each of the two lock nuts 10 is provided with a screw rod 11, one end, far away from each other, of each screw rod 11 is provided with a baffle plate 12, one side face, close to each other, of each of the two baffle plates 12 is fixedly connected with one end, far away from each other, of each screw rod 11, so that the protection of each lock nut 10 is achieved, and the phenomenon that each lock nut 10 is lost is avoided, one ends, close to each other, of the two screw rods 11 sequentially penetrate through the lock nuts 10 and the strip-shaped through holes 5 and extend to one side, close to each other, of the support plate 4, one ends, close to each other, of the screw rods 11 are fixedly connected with the left side face and the right side face of the positioning plate 6, a group of symmetrical nuts 15 are fixedly embedded on the right side face of the positioning plate 6, a group of symmetrical screws 8 are arranged on, the left surface of every connecting plate 16 all is equipped with protection pad 20, the right flank and the connecting plate 16 fixed connection of every protection pad 20, reached the protection to patient's waist, avoided causing the damage to patient's waist, the symmetrical elastic cord 17 of bottom surface fixedly connected with of fixed plate 9, the one end difference fixedly connected with eye-splice 18 and the lock mother 19 that two elastic cords 17 are close to each other, and eye-splice 18 and the 19 looks adaptations of lock mother, reached the fixing to external fixation device for the spinal surgery, the stability of external fixation device for the spinal surgery has been improved.

The working principle is as follows: at first fix elastic cord 17 respectively at patient's waist and chest, rectify board 2 through the vertebra and paste tightly with patient's back, can support fixed plate 9 through backup pad 4, through the cooperation of slide bar 3 and slide opening 7, thereby, make locating plate 6 slide and adjust the position that the patient needs to fix, can fix patient's waist through screw 8, through screw rod 11, lock nut 10 and bar through-hole 5's cooperation, thereby can fix or adjust locating plate 6, rectify board 2 through the vertebra, reached the correction to the vertebra, it loses to have reduced patient's centrum height to take place, through screw rod 11, lock nut 10 and screw 8's cooperation, easy operation when using has been reached, the complicated complex operation's of structure problem has been avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An external fixation device for spinal surgery, comprising a base plate (1), characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a spine correction plate (2), a fixing plate (9) is arranged above the spine correction plate (2), the top end of the spine correction plate (2) is fixedly connected with the bottom surface of the fixing plate (9), the upper surface of the bottom plate (1) is fixedly connected with symmetrical slide bars (3), a positioning plate (6) is arranged above the bottom plate (1), symmetrical slide holes (7) are formed in the upper surface of the positioning plate (6), the top end of each slide bar (3) penetrates through the slide holes (7) and extends to the upper part of the positioning plate (6), the outer surface of each slide bar (3) is in contact with the inner wall of the slide hole (7), the top end of each slide bar (3) is fixedly connected with the bottom surface of the fixing plate (9), the upper surface of the bottom plate (1) is fixedly connected with supporting plates (4), one side surface of the two supporting plates (4) close to each other is provided with a strip-shaped through hole (5, locking nuts (10) are arranged on one side surface, away from each other, of each of the two support plates (4);

one side face, far away from each other, of each of the two locking nuts (10) is provided with a screw rod (11), one end, close to each other, of each of the two screw rods (11) sequentially penetrates through the locking nuts (10) and the strip-shaped through holes (5) and extends to one side, close to each other, of the supporting plate (4), one end, close to each other, of each screw rod (11) is fixedly connected with the left side face and the right side face of the positioning plate (6), a group of symmetrical nuts (15) are fixedly embedded on the right side surface of the positioning plate (6), a group of symmetrical screws (8) are arranged on the right side surface of the positioning plate (6), the left end of each screw (8) penetrates through a nut (15) and extends to the left side of the positioning plate (6), a connecting plate (16) is fixedly connected with the left end of each screw (8), the bottom surface of the fixed plate (9) is fixedly connected with symmetrical elastic bands (17).

2. The external fixator for spinal surgery of claim 1 wherein: the left side of each connecting plate (16) all is equipped with protection pad (20), every the right flank and the connecting plate (16) fixed connection of protection pad (20).

3. The external fixator for spinal surgery of claim 1 wherein: the bottom surface of the fixed plate (9) is fixedly connected with a protective pad (13), and the thickness of the protective pad (13) is at least one centimeter.

4. The external fixator for spinal surgery of claim 1 wherein: symmetrical limiting blocks (14) are arranged above the bottom plate (1), and the bottom surfaces of the limiting blocks (14) are fixedly connected with the upper surface of the bottom plate (1).

5. The external fixator for spinal surgery of claim 1 wherein: every the one end that screw rod (11) kept away from each other all is equipped with baffle (12), two the side that baffle (12) are close to each other all with the one end fixed connection that screw rod (11) kept away from each other.

6. The external fixator for spinal surgery of claim 1 wherein: two the one end that elastic cord (17) are close to each other is fixedly connected with eye-splice (18) and lock mother (19) respectively, and eye-splice (18) and lock mother (19) looks adaptation.