CN210301329U

CN210301329U - Spinal deformity correction device

Info

Publication number: CN210301329U
Application number: CN201920080273.XU
Authority: CN
Inventors: 张天理; 陈滔; 尹磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2020-04-14
Anticipated expiration: 2029-01-17

Abstract

The utility model relates to a spinal deformity orthotic devices, at least, first connecting piece on first connecting rod is located to first connecting rod and cover on being fixed in the backbone including both ends, orthotic devices is still including the second connecting rod in the second connecting piece is located to second connecting piece and cover that is used for promoting spinal correction, the second connecting piece is according to the mode with first connecting piece swing joint and spinal relatively fixed and make first connecting rod and second connecting rod be located the backbone both sides respectively, wherein, the second connecting piece can be close to the direction removal of first connecting piece and make the straight-line distance between first connecting rod and the second connecting rod reduce according to the mode orientation of the shrink of the elastic cord that sets up on the first connecting piece tip. The utility model provides a spinal column deformity orthotic devices uses the cooperation that can effectively promote the spinal column correction process through two connecting rods that set up side by side for the crooked part of deformity adjusts to the crooked radian of more ideal on the spinal column, can effectively improve spinal column orthopaedic surgery efficiency and operation success rate.

Description

Spinal deformity correction device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to spinal deformity orthotic devices.

Background

At present, spinal deformity is a well-known stubborn disease in the medical field, particularly, the incidence rate of the disease is higher and higher in young and young years and reaches 3% -5%, girls are higher than boys, particularly, girls are in the peak stage of development before and after menstruation, and flowers in China are seriously damaged. In the existing treatment method, except for the traditional Chinese medicine conservative treatment, the operation treatment of western medicine is carried out, but the operation treatment of western medicine has no way for mild scoliosis, the operation can be carried out only when the scoliosis is severe, the operation cost is high, so that families of many patients are broken, the patients suffer great pain and have great risks, a plurality of sequelae are also accompanied, the postoperative regret is brought to the patients for life, and the effect is not long. Therefore, a non-operative method is urgently needed to treat scoliosis, but at present, many traditional Chinese medicine hospitals only adopt methods such as brace fixation, massage, traction, physical therapy and the like to intervene the state of an illness, but cannot prevent the deterioration of the state of the illness and have the defects. The plastic brace can help recovery, so that the optimal treatment time is delayed, a plurality of parts of the body surface of a patient are extruded and deformed, even pressure sores appear, the patient is examined repeatedly after a period of time to find that the condition of the patient is continuously worsened, and finally, an operation is selected. Many scoliosis orthotics have been developed to assist the patient in performing spinal correction. However, some patients are still in a growth and development stage, and the spine is continuously growing, so that the normal growth of the spine is hindered by using the traditional scoliosis corrector with the fixed length, and the traditional scoliosis corrector is not suitable for the patients in the development stage.

Chinese patent (publication No. CN107198560A) discloses a spinal correction device, comprising: a first rod having a first region; a second rod having a second region; a first ring member having a first aperture therethrough; and a second ring member having a second aperture; the second area is in contact with the first area, the first rod piece and the second rod piece penetrate through the first through hole of the first ring piece and the second through hole of the second ring piece, the first ring piece is fixedly arranged on the first rod piece, and the second ring piece is fixedly arranged on the second rod piece. The spinal correction device provided by this patent may be used to reduce the need for repeat surgery and achieve self-correction.

However, the spinal column correction device provided by the patent only corrects the spinal column on one side, and can correct left and right abnormal curvatures in a plane where the spinal column is located, but the abnormal curvatures of the spinal column not only include the left and right abnormal curvatures, but also include torsional deformation of scoliosis, and the correction function of the correction device provided by the patent is single, so that an ideal correction effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a spinal deformity orthotic devices is fixed in including both ends at least first connecting rod and cover on the backbone are located first connecting piece on the first connecting rod, orthotic devices is still located including second connecting piece and the cover that is used for promoting spinal correction second connecting rod in the second connecting piece, the second connecting piece according to with first connecting piece swing joint's mode with backbone relatively fixed makes first connecting rod with the second connecting rod is located respectively the backbone both sides, wherein, the second connecting piece can according to the mode orientation of the elastic cord shrink that sets up on the first connecting piece tip is close to the direction removal of first connecting piece makes first connecting rod with linear distance between the second connecting rod reduces.

According to a preferred embodiment, the second connecting element has a first end portion movably connected to the first connecting element and a second end portion for pushing the spine, wherein the spine is located between the first end portion and the second end portion such that an included angle between a first direction of the first end portion and a second direction of the second end portion is an acute angle, wherein the first direction is an extending direction of the first end portion, and the second direction is an extending direction of the second end portion.

According to a preferred embodiment, the first connecting piece at least comprises a joint which is provided with a hollow inner cavity, wherein the inner wall of the hollow inner cavity is provided with a thread, and the second connecting piece is movably connected with the first connecting piece in a manner that the outer wall of the first end part is provided with a thread matched with the inner wall of the joint.

According to a preferred embodiment, the first connecting piece is provided with a reel for adjusting tension or releasing the elastic rope in a rotating connection mode, two ends of the elastic rope are fixedly connected with the reel and the joint respectively, and the elastic rope can be contracted onto the outer wall of the reel in a rotating mode relative to the second connecting rod along a third direction perpendicular to the first direction.

According to a preferred embodiment, the first connecting element further comprises a housing having a hollow interior, and a worm and a drive rod which are arranged in the housing in a rotationally connected manner and are used for rotating the reel, the worm being in meshing connection with the drive rod and the reel in a manner that the direction of rotation of the worm is perpendicular to the direction of rotation of the drive rod and the direction of rotation of the reel, respectively.

According to a preferred embodiment, the reel has a first through hole parallel to the third direction and used for connecting the first link, and the first connecting member is slidably connected to the first link in such a manner that the first link penetrates through the first through hole in the third direction relative to the reel.

According to a preferred embodiment, the second connecting member has a first plate and a second plate disposed on the second end in a manner that the plates are perpendicular to the first direction and the second direction, respectively, and the first plate, the second plate, and the outer wall of the second end form a second through hole for connecting the second connecting rod, the through direction of which is parallel to the third direction.

According to a preferred embodiment, the second connecting member further comprises a fixing member for fixing the second connecting rod, and the respective corresponding end surfaces of the first plate and the second plate, which are relatively close to each other, have threads for connecting the fixing member, so that the fixing member can move relative to the first plate in a direction close to the second end in a manner of being respectively screwed with the first plate and the second plate.

According to a preferred embodiment, the second connector has a third through hole in the outer wall between the first end and the second end for connection to a bone screw.

According to a preferred embodiment, the correction device comprises at least one locking element for fixing the first connecting rod, the two ends of the first connecting rod being fixed relative to the spine in such a way that the two ends of the locking element are movably connected to the end of the first connecting rod and the spine, respectively.

The utility model provides a spinal deformity orthotic devices has following advantage at least:

the utility model provides a spinal deformity orthotic devices uses through the cooperation of two connecting rods that set up side by side and can effectively promote the backbone to correct the process, wherein through longer first connecting rod after fixed to backbone segment section both ends, further stabilizes the backbone and contracts the elasticity rope and implement and correct the backbone through implanting shorter second connecting rod for the crooked adjustment of deformity is to the crooked radian of more ideal on the backbone, can effectively improve spinal orthopedic surgery efficiency and operation success rate. The hyperelastic material always maintains stable stress which is recovered to physiological radian in vivo, so that the correction process of the abnormal curvature of the spine after the second connecting rod is added not only comprises the step that the first connecting rod corrects the lateral curvature of the scoliosis observed on the front and back surfaces in the vertical direction, but also can correct the torsional deformation of the scoliosis in the circumferential direction by matching the second connecting rod with the first connecting rod.

Drawings

FIG. 1 is a simplified elevational schematic view of the spinal deformity correction device of the present invention;

FIG. 2 is a simplified front schematic view of a preferred first connector of the present invention; and

fig. 3 is a simplified front view schematic of a preferred second connector of the present invention.

List of reference numerals

1: spinal column 2: first link 3: first connecting piece

4: second link 5: second connecting member 6: elastic rope

7: first end portion 8: second end portion 9: joint

10: the reel 11: the housing 12: worm screw

13: drive rod 14: first through hole 15: first plate body

16: second plate 17: second through hole 18: fixing piece

19: third through hole 20: locking piece

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The word "module" as used herein describes any type of hardware, software, or combination of hardware and software that is capable of performing the functions associated with the "module".

As shown in fig. 1, the device for correcting malformation of spine at least comprises a first connecting rod 2 with two ends fixed on the spine 1 and a first connecting piece 3 sleeved on the first connecting rod 2, the device further comprises a second connecting piece 5 for promoting the correction of the spine 1 and a second connecting rod 4 sleeved in the second connecting piece 5, the second connecting piece 5 is relatively fixed with the spine 1 in a movable connection manner with the first connecting piece 3 and enables the first connecting rod 2 and the second connecting rod 4 to be respectively positioned at two sides of the spine 1, wherein the second connecting piece 5 can move towards a direction close to the first connecting piece 3 in a manner that an elastic rope 6 arranged at the end of the first connecting piece 3 contracts and enables the linear distance between the first connecting rod 2 and the second connecting rod 4 to be reduced.

The first connecting rod 2 and the second connecting rod 4 can be made of super elastic materials, and the memory shape processing is carried out according to physiological radian or shapes set by doctors at low temperature, so that the integral connection and implantation can be easily completed. After the super-elastic material rod is implanted, the whole super-elastic material rod is restored to the memory shape at body temperature, the needed lateral translation effect and sagittal plane correction effect can be reliably realized, the stress concentration of individual nails in the rod placing process is avoided, and the spinal injury is effectively avoided. The superelastic material rod maintains a stable stress in vivo to return to the physiological curvature, so that the process of correcting the abnormal curvature of the spine after adding the second connecting rod 4 includes not only the first connecting rod 2 correcting the scoliosis in the vertical direction and observing the scoliosis on the front and rear surfaces, but also the second connecting rod 4 and the first connecting rod 2 can cooperate to correct the torsional deformation of the scoliosis in the circumferential direction. Fix to the backbone both ends respectively earlier 2 both ends of the first connecting rod of a plurality of first connecting pieces 3 of sliding connection, install second connecting piece 5 to the position that needs the correction on the backbone again, make first connecting rod 2 be close to the direction bending of backbone through the swing joint between first connecting piece 3 and the second connecting piece 5, install to the backbone through running through a plurality of second connecting pieces 3 in proper order with second connecting rod 4 again. The number of the first connecting pieces 3 and the second connecting pieces 5 can be increased or decreased according to actual conditions. The physician can gradually adjust the curvature of the target vertebral column 1 by controlling the relative length of the elastic rope 6 between the first connecting piece 3 and the second connecting piece 5, and when the curvature of the adjacent vertebral columns 1 is excessively changed, the physician can utilize the driving rod 13 which is arranged on the end part of the first connecting piece 3 and is in indirect driving connection with the elastic rope 6 to gradually reset and adjust the position between the vertebral columns 1, so that the first connecting rod 2 and the second connecting rod 4 can achieve the ideal correction effect of the vertebral columns 1.

The utility model discloses a 1 orthotic devices to unilateral backbone commonly used improves, cooperation through two connecting rods that set up side by side is used and can be effectively promoted 1 correction processes of backbone, wherein through longer first connecting rod 2 fixed to 1 section of the backbone both ends after, further stabilize backbone 1 and shrink elasticity rope 6 through implanting shorter second connecting rod 4 and implement and correct backbone 1 for the crooked radian of deformity is adjusted to more ideal on backbone 1, remove 2 both ends of first connecting rod of unnecessary length again. Can effectively improve the efficiency and the success rate of the spinal orthopedic surgery.

According to a preferred embodiment, the second connecting element 5 has a first end 7 which is movably connected to the first connecting element 3 and a second end 8 for pushing the spinal column 1, wherein the spinal column 1 is located between the first end 7 and the second end 8 in such a way that an angle between a first direction of the first end 7 and a second direction of the second end 8 is acute, wherein the first direction is an extension direction of the first end 7 and the second direction is an extension direction of the second end 8. The included angle between the first direction of the first end part 7 and the second direction of the second end part 8 is an acute angle, so that the second connecting piece 5 can effectively drive the reduction and correction of the spine under the condition of moving towards the position close to the first connecting piece 3.

According to a preferred embodiment, the first connecting member 3 comprises at least a joint 9 having a hollow inner cavity and a thread formed on the inner wall of the hollow inner cavity, and the second connecting member 5 is movably connected to the first connecting member 3 in such a manner that the outer wall of the first end portion 7 is provided with a thread adapted to the inner wall of the joint 9. Preferably, the second connector 5 is fixed relative to the segment of the spinal column 1 in such a manner that it is screwed onto the segment of the spinal column 1.

According to a preferred embodiment, the first connecting member 3 is provided with a reel 10 for adjusting tension or release of the elastic rope 6 in a rotatable connection manner, two ends of the elastic rope 6 are respectively fixedly connected with the reel 10 and the joint 9, and the elastic rope 6 can be contracted onto the outer wall of the reel 10 in a manner that the reel 10 rotates relative to the second connecting rod 4 along a third direction perpendicular to the first direction.

According to a preferred embodiment, the first connecting member 3 further comprises a housing 11 having a hollow interior, and a worm 12 and a driving rod 13 arranged in the housing 11 in a rotationally connected manner for rotating the reel 10, the worm 12 being in a meshing connection with the driving rod 13 and the reel 10 respectively in such a manner that the direction of rotation thereof is perpendicular to the direction of rotation of the driving rod 13 and the direction of rotation of the reel 10 respectively. Preferably, the driving lever 13 is provided with a connecting portion for controlling the rotation of the gear, for example, a rotating shaft provided on the axis of the driving lever 13. The mutual engagement between the driving rod 13 and the worm 12 is such that their respective rotation directions are perpendicular to each other, preferably, the shape of the end of the driving rod 13 close to the worm 12 is defined by a bevel gear, and the shape of the end of the worm 12 close to the driving rod 13 is adapted to the bevel gear, which may be two bevel gears that are engaged with each other and have their respective central axes perpendicular to each other, thereby enabling the driving rod 13 to rotate in a manner that the driving rod 13 is rotated to bring about the relative rotation of the worm 12. The mutual engagement between the worm 12 and the reel 10 is such that their respective rotation directions are perpendicular to each other, for example, a worm gear structure, etc., the outer wall of the reel 10 has a thread adapted to the worm 12, and the shape of the reel 10 is defined by a gear shape engaged with the worm 12 as viewed in a plan view of the reel 10 perpendicular to the central axis of the reel 10.

According to a preferred embodiment, the reel 10 has a first through hole 14 extending in a direction parallel to the third direction and adapted to be connected to the first link 2, and the first connecting member 3 is slidably connected to the first link 2 in such a manner that the first link 2 extends through the first through hole 14 in the third direction relative to the reel 10.

According to a preferred embodiment, the second connecting element 5 has a first plate 15 and a second plate 16, which are arranged on the second end 8 in such a way that the plates are perpendicular to the first direction and the second direction, respectively, and a second through-hole 17 for connecting the second connecting rod 4 is formed between the first plate 15, the second plate 16 and the outer wall of the second end 8, the through-hole running in parallel to the third direction. The shape of the respective opposite end surfaces of the first plate body 15 and the second plate body 16 is defined by an arc and is threaded, so that the shape of the second through hole 17 is adapted to the fixing member 18.

According to a preferred embodiment, the second connecting element 5 further comprises a fixing element 18 for fixing the second connecting rod 4, and the respective end faces of the first plate 15 and the second plate 16 which are relatively close to each other have a thread for connecting the fixing element 18, so that the fixing element 18 can be moved relative to the first plate 15 in the direction of the second end 8 in a manner such that it is screwed to the first plate 15 and the second plate 16, respectively. The fixing member 18 may be a screw, and since the first plate body 15 and the second plate body 16 are arranged in parallel, the shape of the end surface of the first plate body 15 close to the second plate body 16 and the shape of the end surface of the first plate body 15 close to the second plate body 16 are respectively matched with the shape of the outer wall of the fixing member 18, so that the fixing member 18 can be rotatably connected with the first plate body 15 and the second plate body 16 by rotating the fixing member 18 until the fixing member abuts against the outer wall of the second connecting rod 4 to fix the second connecting rod 4 in the second through hole 17.

According to a preferred embodiment, the second connector 5 has a third through hole 19 in its outer wall between the first end 7 and the second end 8 for connection to a bone screw. The second connecting element 5 can be fixed to the vertebral column 1 by means of bone screws which pass through the third through holes 19 and are fixedly connected with the vertebral column 1.

According to a preferred embodiment, the correction device comprises at least one locking element 20 for fixing the first connecting rod 2, the two ends of the first connecting rod 2 being fixed relative to the spine 1 in such a way that the two ends of the locking element 20 are movably connected to the ends of the first connecting rod 2 and the spine 1, respectively. The first link 2 is fixed at both ends thereof to the spine 1, respectively, thereby enabling alignment of the reference line to correct other portions of the spine 1 having abnormal curvature.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The device for correcting the malformation of the spine at least comprises a first connecting rod (2) and a first connecting piece (3), wherein two ends of the first connecting rod (2) are fixed on the spine (1), the first connecting piece (3) is sleeved on the first connecting rod (2), the device is characterized by further comprising a second connecting piece (5) and a second connecting rod (4), the second connecting piece (5) is used for promoting the correction of the spine, the second connecting piece (4) is sleeved in the second connecting piece (5), the second connecting piece (5) is relatively fixed with the spine (1) in a mode of being movably connected with the first connecting piece (3) and enables the first connecting rod (2) and the second connecting rod (4) to be respectively positioned on two sides of the spine (1),

the second connecting piece (5) can move towards the direction close to the first connecting piece (3) in a mode that an elastic rope (6) arranged on the end part of the first connecting piece (3) contracts, and the linear distance between the first connecting rod (2) and the second connecting rod (4) is reduced.

2. Device for correcting spinal deformities according to claim 1, wherein said second connection element (5) has a first end portion (7) articulated to said first connection element (3) and a second end portion (8) for pushing said spinal column (1), wherein said spinal column (1) is positioned between said first end portion (7) and said second end portion (8) in such a way that the angle between a first direction of said first end portion (7) and a second direction of said second end portion (8) is acute, wherein said first direction is the direction of extension of said first end portion (7) and said second direction is the direction of extension of said second end portion (8).

3. Device for the correction of spinal deformities according to claim 2, characterized in that said first connection element (3) comprises at least a joint (9) having a hollow inner cavity and provided with a thread on the inner wall thereof, said second connection element (5) being movably connected to said first connection element (3) in such a way that said first end portion (7) is provided, on the outer wall thereof, with a thread adapted to the inner wall of said joint (9).

4. Device for correcting spinal deformities according to claim 3, characterized in that said first connection member (3) is provided with a reel (10) for adjusting the tension or release of said elastic cord (6) according to a rotary connection, said elastic cord (6) being fixedly connected at both ends to said reel (10) and to said joint (9), respectively, wherein said elastic cord (6) is retractable onto the outer wall of said reel (10) according to a rotary movement of said reel (10) with respect to said second connection member (4) along a third direction perpendicular to said first direction.

5. Device for correcting spinal deformities according to claim 4, characterized in that said first connection element (3) further comprises a housing (11) having a hollow internal cavity and a worm (12) and a driving rod (13) arranged in a rotary connection inside said housing (11) and intended to rotate said reel (10), said worm (12) being in a meshing connection with said driving rod (13) and with said reel (10) respectively, according to a direction of rotation thereof perpendicular to the direction of rotation of said driving rod (13) and to the direction of rotation of said reel (10) respectively, wherein the shape of the end of said driving rod (13) close to said worm (12) is defined by a conical gear.

6. Device for correcting spinal deformities according to claim 4, wherein said reel (10) has a first through hole (14) extending in a direction parallel to said third direction for connecting said first link (2), said first connection member (3) being slidably connected to said first link (2) in such a manner that said first link (2) extends through said first through hole (14) in said third direction with respect to said reel (10).

7. Device for the correction of spinal deformities according to claim 4, characterized in that said second connection element (5) has a first plate (15) and a second plate (16) arranged on said second end portion (8) in such a way that the plates are respectively perpendicular to said first direction and to said second direction, said first plate (15), said second plate (16) and said second end portion (8) having an outer wall forming a second through hole (17) for the connection of said second connecting rod (4) with a direction parallel to said third direction.

8. The device for correcting spinal deformities according to claim 7, wherein the second connector (5) further includes a fastener (18) for securing the second link (4), respective corresponding end surfaces of the first plate (15) and the second plate (16) that are relatively close to each other having threads for connecting the fastener (18) such that the fastener (18) is movable relative to the first plate (15) in a direction toward the second end (8) in a manner of being threadedly connected to the first plate (15) and the second plate (16), respectively.

9. Device for the correction of spinal deformities according to claim 2, characterized in that said second connector (5) has, on its outer wall, a third through hole (19) for the connection of bone screws, located between said first end (7) and said second end (8).

10. Device for correcting spinal deformities according to claim 1, characterized in that it comprises at least one locking element (20) for fixing said first connecting rod (2), said first connecting rod (2) being fixed at both ends with respect to said spine (1) in such a way that said locking element (20) is movably connected at both ends with said first connecting rod (2) end and with said spine (1), respectively.