CN108542483B - Spinal column orthopedic device capable of protecting growth potential of organism - Google Patents
Spinal column orthopedic device capable of protecting growth potential of organism Download PDFInfo
- Publication number
- CN108542483B CN108542483B CN201810361200.8A CN201810361200A CN108542483B CN 108542483 B CN108542483 B CN 108542483B CN 201810361200 A CN201810361200 A CN 201810361200A CN 108542483 B CN108542483 B CN 108542483B
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- Prior art keywords
- fixed block
- orthopedic
- growth potential
- device capable
- protecting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
- A61B17/7022—Tethers, i.e. longitudinal elements capable of transmitting tension only, e.g. straps, sutures or cables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
- A61B17/7005—Parts of the longitudinal elements, e.g. their ends, being specially adapted to fit in the screw or hook heads
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a spine orthopedic device capable of protecting the growth potential of a body, which comprises orthopedic rods and connecting pieces, wherein the orthopedic rods are arranged in parallel and are connected and fixed by the connecting pieces, the connecting pieces comprise fixing blocks and connecting ropes, guide holes are arranged on the fixing blocks and are in sliding fit with the orthopedic rods, locking screws are arranged on the fixing blocks and are in locking fit with the orthopedic rods, connecting holes are further formed in the fixing blocks, and the fixing blocks are connected through the connecting ropes penetrating through the connecting holes. The guide holes on the fixing blocks can slide up and down along the orthopedic rods, the installation position and the connection position can be freely adjusted, the fixing blocks are small in size, chamfer angles or rounding edges are arranged, damage of the instrument to a human body is reduced, flexible rope connection is adopted, displacement of the two orthopedic rods, which are close to each other, is not limited, separation displacement of the two orthopedic rods is limited, and therefore certain flexibility and growth potential of the spine are maintained.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and relates to a spinal column orthopedic device which has a simple structure and is convenient to use and capable of protecting the growth potential of a body.
Background
In the growth process of the human spine, when the vertebral body development has defects, deformity states such as scoliosis, humpback, lordosis, kyphosis and the like can occur, the scoliosis generally causes the reduction of the volume of the thoracic cavity, the abdominal cavity and the bone pelvic cavity, and the growth of the height can be limited, so that the adverse effect on the human body is large. Therefore, in the medical field, how to effectively correct scoliosis of infants and teenagers has been a concern for those skilled in the art. At present, the main process of the treatment scheme adopted by the spine correction is as follows: according to the spine development condition of the patient, preparing before operation; the rod-shaped correction bars are implanted into a human body through an operation, the correction bars are fixed with the spine by using the nail bars, one correction bar is usually fixed on each of two sides of the spine, so that the spine is expected to grow along the guiding direction of the correction bars, the function of correcting the spine is achieved, and finally, the operation opening is sutured.
At present, two orthopedic rods are connected by a hard metal rod, so that a frame structure is formed between the orthopedic rods and the fixing nails, the orthopedic rods have the advantages of improving the overall link rigidity, limiting the flexibility and the growth potential of the spine, meanwhile, the connecting piece of the existing spinal orthopedic device often cannot freely adjust the connecting position, the limitation is strong in the operation process, the operation effect is affected, the human body is injured, the normal growth of the spine is affected, and therefore, the spinal orthopedic device capable of protecting the growth potential of the organism is developed.
Disclosure of Invention
The invention aims to provide a spinal column orthopedic device which has a simple structure and is convenient to use and capable of protecting the growth potential of a body.
The invention aims at realizing the purposes, comprising an orthopedic rod and a connecting piece, wherein the orthopedic rod is arranged in parallel and is connected and fixed by the connecting piece, the connecting piece comprises a fixed block and a connecting rope, a guide hole is arranged on the fixed block and is in sliding fit with the orthopedic rod, a locking screw is arranged on the fixed block and is in locking fit with the orthopedic rod, a connecting hole is also arranged on the fixed block, and the fixed block is connected by the connecting rope penetrating through the connecting hole.
The connecting piece is arranged in a way that the fixed block is matched with the connecting titanium cable, the guide hole on the fixed block can slide up and down along the orthopedic rod, the installation position and the connecting position can be freely adjusted, and the position where too many volume instruments are not suitable to be placed in a human body is avoided while the operation is convenient to carry out; the fixing block is small in size, chamfer angles or rounding edges are formed in the fixing block, damage of the instrument to a human body is reduced, connecting holes are formed in the fixing block, the orthopedic rods are connected and limited through connecting titanium cables penetrating through the connecting holes, flexible rope connection is adopted, displacement of the two orthopedic rods, which are close to each other, is not limited, separation displacement of the two orthopedic rods is limited, and therefore certain flexibility and growth potential of the spine are maintained. The invention has simple structure and convenient use during operation, has small whole volume, can adjust the connection position, reduces the injury to human body, and can also protect the growth of the spine.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a top view of the connector of FIG. 1;
in the figure: 1-fixed block, 11-guiding hole, 12-connecting hole, 2-locking screw, 3-connecting rope, 4-orthopedic stick.
Detailed Description
The invention is further described below with reference to the accompanying drawings, without in any way limiting the invention, and any alterations or modifications based on the teachings of the invention are within the scope of the invention.
As shown in fig. 1-2, the orthopedic rod comprises an orthopedic rod 4 and a connecting piece, wherein the orthopedic rod 4 is arranged in parallel and is connected and fixed by the connecting piece, the connecting piece comprises a fixed block 1 and a connecting rope 3, a guide hole 11 is arranged on the fixed block 1 and is in sliding fit with the orthopedic rod 4, a locking screw 2 is arranged on the fixed block 1 and is in locking fit with the orthopedic rod 4, a connecting hole 12 is further arranged on the fixed block 1, and the fixed block 1 is connected through the connecting rope 3 penetrating through the connecting hole 12.
The fixed block 1 is cylindrical, the guide hole 11 and the fixed block 1 are concentrically arranged, the height a of the fixed block 1 is 10-25 mm, the diameter is 8-20 mm, and the corners of the cylindrical fixed block are provided with chamfers or rounding.
The fixed block 1 is arranged to be square, the guide hole 11 is arranged in the center of the fixed block 1 and is perpendicular to the height end face of the fixed block 1, corners of the fixed block 1 are chamfered or rounded, the height a of the fixed block 1 is 10-25 mm, the length and the width are the same, and the length and the width value b are 8-20 mm.
Screw holes are formed in the fixed block 1 perpendicular to the guide holes 11, locking screws 2 are arranged in the screw holes, and the inner ends of the locking screws 2 are in locking fit with the orthopedic rod 4 in a locking mode.
The connecting hole 12 is arranged as a semicircular ring, the thickness h of the semicircular ring is 2-5 mm, and the connecting hole 12 is arranged in the middle of the side face of the fixed block 1.
The connecting holes 12 are vertically arranged, and the connecting hole faces and the central line of the guide hole 11 are in the same plane.
The connecting holes 12 are horizontally arranged, and the central surfaces of the connecting holes are mutually perpendicular to the central line of the guide hole 11.
The fixing block 1, the locking screw 2 and the orthopedic rod 4 are made of titanium alloy materials.
The connecting rope 3 is a titanium cable.
The two locking screws 2 are respectively arranged at one third of the position close to the height direction end of the fixed block 1.
The working principle and the working process of the invention are as follows:
the guide hole 11 on the fixing block 1 can slide up and down along the orthopedic rod 4, can freely adjust the installation position and the connection position, and can avoid the position of unsuitable placing excessive volume instruments in a human body during operation; the fixing block is small in size, chamfer angles or rounding angles are formed at corners, damage of instruments to human bodies is reduced, the connecting holes 12 are formed in the fixing block 1, the orthopedic rods are connected and limited through connecting titanium cables penetrating through the connecting holes 12, flexible rope connection is adopted, displacement of the two orthopedic rods when the two orthopedic rods are close to each other is not limited, separation displacement of the two orthopedic rods is limited, and therefore certain flexibility and growth potential of the spine are maintained.
Claims (8)
1. The utility model provides a can protect backbone orthopedic device of organism growth potential, includes orthopedic stick (4) and connecting piece, orthopedic stick (4) parallel arrangement and by the connecting piece connect fixedly, characterized by: the connecting piece comprises a fixed block (1) and a connecting rope (3), wherein a guide hole (11) is formed in the fixed block (1) and is in sliding fit with the orthopedic rod (4), a locking screw (2) is arranged on the fixed block (1) and is in locking fit with the orthopedic rod (4), a connecting hole (12) is further formed in the fixed block (1), the fixed block (1) is connected through the connecting rope (3) penetrating through the connecting hole (12), the fixed block (1) is arranged to be cylindrical, the guide hole (11) and the fixed block (1) are concentrically arranged, the height of the fixed block (1) is 10-25 mm, the diameter of the fixed block is 8-20 mm, a chamfer or a rounding is formed at the corner of the cylindrical fixed block, and the connecting rope (3) is a titanium cable.
2. The spinal orthopedic device capable of protecting the growth potential of an organism according to claim 1, wherein: the fixed block (1) is set to square, the guide hole (11) is arranged in the center of the fixed block (1) and is perpendicular to the end face of the height of the fixed block (1), the corners of the fixed block (1) are chamfered or rounded, the height of the fixed block (1) is 10-25 mm, the length and the width are equal in size, and the length and the width value b are 8-20 mm.
3. The spinal orthopedic device capable of protecting the growth potential of the body according to claim 1 or 2, characterized in that: screw holes are formed in the fixed block (1) perpendicular to the guide holes (11), locking screws (2) are arranged in the screw holes, and the inner ends of the locking screws (2) are in locking fit with the orthopedic rod (4) in a locking mode.
4. A spinal orthopedic device capable of protecting the growth potential of an organism according to claim 1, 2 or 3, characterized in that: the connecting hole (12) is arranged to be a semicircular ring, the thickness h of the semicircular ring is 2-5 mm, and the connecting hole (12) is arranged in the middle of the side face of the fixed block (1).
5. A spinal orthopedic device capable of protecting the growth potential of an organism according to claim 1, 2 or 3, characterized in that: the connecting holes (12) are vertically arranged, and the connecting hole faces and the central line of the guide hole (11) are in the same plane.
6. The spinal orthopedic device capable of protecting the growth potential of an organism as recited in claim 5, wherein: the connecting holes (12) are horizontally arranged, and the central surfaces of the connecting holes are mutually perpendicular to the central line of the guide holes (11).
7. A spinal orthopedic device capable of protecting the growth potential of an organism according to claim 1, 2 or 3, characterized in that: the fixing block (1), the locking screw (2) and the orthopedic rod (4) are made of titanium alloy materials.
8. A spinal orthopedic device capable of protecting the growth potential of an organism according to claim 1, 2 or 3, characterized in that: the two locking screws (2) are respectively arranged at one third of the end part of the fixing block (1) in the height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361200.8A CN108542483B (en) | 2018-04-20 | 2018-04-20 | Spinal column orthopedic device capable of protecting growth potential of organism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361200.8A CN108542483B (en) | 2018-04-20 | 2018-04-20 | Spinal column orthopedic device capable of protecting growth potential of organism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108542483A CN108542483A (en) | 2018-09-18 |
| CN108542483B true CN108542483B (en) | 2024-01-02 |
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ID=63511957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810361200.8A Active CN108542483B (en) | 2018-04-20 | 2018-04-20 | Spinal column orthopedic device capable of protecting growth potential of organism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108542483B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107530113A (en) * | 2015-04-17 | 2018-01-02 | 因普拉耐特公司 | Vertebra anchor system and part |
| CN209450634U (en) * | 2018-04-20 | 2019-10-01 | 昆明医科大学第二附属医院 | A spinal orthopedic device capable of protecting the growth potential of the body |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2755582B1 (en) * | 2011-09-14 | 2023-07-26 | OrthoPediatrics Corp. | Tether clamp and implantation system |
| US8945188B2 (en) * | 2012-04-06 | 2015-02-03 | William Alan Rezach | Spinal correction system and method |
| FR3008305B1 (en) * | 2013-07-15 | 2015-08-07 | Cousin Biotech | IMPLANTABLE DEVICE, IN PARTICULAR FOR CORRECTING AT LEAST ONE VERTEBRAL LEVEL |
| US20160106478A1 (en) * | 2014-10-20 | 2016-04-21 | Warsaw Orthopedic, Inc. | Surgical system and method |
-
2018
- 2018-04-20 CN CN201810361200.8A patent/CN108542483B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107530113A (en) * | 2015-04-17 | 2018-01-02 | 因普拉耐特公司 | Vertebra anchor system and part |
| CN209450634U (en) * | 2018-04-20 | 2019-10-01 | 昆明医科大学第二附属医院 | A spinal orthopedic device capable of protecting the growth potential of the body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108542483A (en) | 2018-09-18 |
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