CN107714168B - Orthopedics double-locking fixed block and double-locking individuation internal fixation device - Google Patents
Orthopedics double-locking fixed block and double-locking individuation internal fixation device Download PDFInfo
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- CN107714168B CN107714168B CN201711069346.7A CN201711069346A CN107714168B CN 107714168 B CN107714168 B CN 107714168B CN 201711069346 A CN201711069346 A CN 201711069346A CN 107714168 B CN107714168 B CN 107714168B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/862—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the periphery of the screw head
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B2017/564—Methods for bone or joint treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The invention relates to a double-locking fixed block; comprises a fixed block body and a locking screw which forms double-screw locking with the fixed block. The fixed block body includes a collar portion and a tightening portion. The fastening part comprises a first locking piece and a second locking piece which are respectively connected with the upper edge and the lower edge of the elastic opening; the two locking threaded holes are concentric, have different apertures and different screw pitches, and are perpendicular to the accommodating hole; the locking screw is in threaded locking with the first locking threaded hole and the second locking threaded hole respectively. The double-locking individuation internal fixing device comprises any fixing block and a connecting rod, wherein the connecting rod is inserted into the accommodating hole, and the fixing block can slide along the connecting rod; the accommodated hole is connected with the fixed block in a hugging manner; the locking screw is provided with a self-tapping thread part below the locking thread part. The structure is simple, and the use is safe and reliable; the operation of the imbedding fixing device is simple, the pain of a patient is reduced, and the bone rehabilitation quality and the treatment effect are improved.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a double-locking enclasping device and an orthopedic internal fixator.
Background
Along with the end of 90 th century in 20 th century, the European AO and BO internal fixation technical concept is introduced into China successively, and the quantity of traffic wounds and industrial injuries is large in the economic high-speed development stage of China, so that the AO and BO internal fixation can be rapidly and widely developed in clinic, and the orthopedic internal fixation device is updated, derived and developed continuously along with the clinical development after more than ten years of application.
The existing internal fixation modes are various, but are often manufactured in advance according to bone models, and although the modes have different specifications, the modes are mainly simple differences of length, width and the like, and the conditions of patients are various, such as: the running of the broken line, the anatomical variation of angles of bone surfaces, the quantity and the size of fracture blocks and the position and the size of bone defects of bone tumor patients can be used for fixing bone quantities and fracture ends, the requirements of the changes of the conditions on the internal fixing device are often far exceeding the expectations of the original factory design, and the changes of the types of the internal fixing device such as the length, the width and the like can be solved far exceeding that of the simple internal fixing device, so that the defects of the internal fixing mode of the patients are caused, the long-term internal fixing is loose, shifting and fracture, the bone healing of the patients is influenced, and in a short time, the traditional internal fixing mode lacks individual changes, and the requirements of different patients cannot be met.
At present, the fixing mode can not meet the use requirements of patient treatment and operation, so that the development of a novel internal fixing device is urgently needed, effective fixing can be provided, and the personalized treatment requirements of different patients can be met. The internal fixation operation which is targeted and accords with biological and biomechanical mechanisms can be implemented according to different physique, different parts, different types and different stress conditions, so that a better internal fixation effect is obtained.
The fixing block of the internal fixing device in the prior art adopts single-layer locking, such as patent: the connecting rod or the locking piece is extruded and fixed by adopting a screw cap in CN 100496424C; the mode depends on the cooperation of the screw thread and the screw cap, the screw thread and the screw cap mutually influence each other, and if one part has a problem, the whole device loses the fixing effect; not only affects the rehabilitation of patients, but also causes secondary injury.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a double locking fixing block having a simple and stable structure, capable of achieving respective screw locking; another object is to provide an internal fixation device employing the present double locking fixation block.
The technical scheme adopted by the invention is as follows: a double locking fixed block; the locking screw is locked with the fixed block body in a double-screw manner; the fixing block body comprises a hoop part and a fastening part, wherein the hoop part is provided with an annular accommodating hole, and one side of the accommodating hole is provided with an elastic opening; the fastening part comprises a first locking piece and a second locking piece which are respectively connected with the upper edge and the lower edge of the elastic opening, the first locking piece is provided with a first locking threaded hole, and the second locking piece is provided with a second locking threaded hole; the first locking threaded hole is concentric with the second locking threaded hole and is perpendicular to the accommodating hole; the aperture of the first locking threaded hole is different from that of the second locking threaded hole, and the pitches of the first locking threaded hole and the second locking threaded hole are different; the locking screw comprises a locking thread part, and threads which are respectively matched with the first locking thread hole and the second locking thread hole in a corresponding manner are arranged on the locking thread part; the locking screw passes through the first locking threaded hole with large aperture, and the locking threaded part forms threaded fit with the first locking threaded hole and the second locking threaded hole respectively, so that the elastic opening gradually becomes smaller to form enclasping double-thread locking for the content in the containing hole.
Preferably, the pitch of the first locking threaded hole is smaller than that of the second locking threaded hole.
Preferably, the accommodating hole is provided with a second elastic opening at the other side opposite to the elastic opening.
Preferably, the number of the accommodating holes is 1 or the number of the accommodating holes is 2, and the accommodating holes are symmetrically arranged at two ends of the fastening part.
Preferably, the inside of the accommodating hole is provided with a limiting structure.
The double-locking individuation internal fixing device comprises the fixing block and a connecting rod, wherein the fixing block is inserted into the accommodating hole, and the fixing block can slide along the connecting rod; the accommodated hole is connected with the fixed block in a hugging manner; the locking screw is provided with a self-tapping thread part below the locking thread part.
Preferably, the connecting rod is a straight rod or a U-shaped rod.
Preferably, the cross section of the connecting rod body is round.
Preferably, the rod body of the connecting rod and the inside of the accommodating hole are correspondingly and mutually matched with each other to form a second limiting structure.
Preferably, the diameter of the accommodating hole is smaller than or equal to the diameter of the connecting rod.
Advantageous effects
The unique double-locking design of the invention locks independently of each other, and can not affect each other, thus reducing the possibility of failure of the whole device; the safety of locking the fixed block is improved; the built-in fixing device provided by the invention has the advantages that the free combination of the multiple rods and the multiple fixing blocks meets the requirement of personalized fixation, the minimally invasive implantation is supported, the operation of the built-in fixing device is simple, the pain of a patient is reduced, the bone rehabilitation quality and the treatment effect are improved, the treatment and rehabilitation time of the patient is shortened, the pain and the economic burden of the patient are reduced, and the clinical actual requirements are met.
Drawings
FIG. 1 is a schematic diagram of a block body of a dual lock block;
FIG. 2 is a schematic front view of the fixing block body of FIG. 1;
FIG. 3 is a left side view of the block body of FIG. 1;
FIG. 4 is a schematic diagram of a second block body structure of the double-locking block;
FIG. 5 is a schematic diagram of a block body structure of a double-locking block;
FIG. 6 is a schematic diagram of a block body structure of a double-locking block;
FIG. 7 is a schematic diagram of a block body structure of a double-locking block;
FIG. 8 is a schematic front view of the block body of FIG. 7;
FIG. 9 is a schematic illustration of a locking screw configuration of a double locking anchor;
FIG. 10 is a schematic illustration of the structure of a double locking anchor block;
FIG. 11 is a schematic illustration II of a double lock block;
FIG. 12 is a schematic diagram of a connecting rod structure;
FIG. 13 is a schematic diagram of a second connecting rod structure;
FIG. 14 is a schematic diagram III of a connecting rod structure;
FIG. 15 is a schematic view of a double-locking individuation internal fixation device;
FIG. 16 is a schematic diagram II of a double-locking individuation internal fixation device;
FIG. 17 is a third schematic illustration of a double-lock individuation internal fixation device;
FIG. 18 is a schematic diagram of a dual lock individuation internal fixation device;
FIG. 19 is a schematic top view of FIG. 18;
fig. 20 is a schematic diagram of the front view structure of fig. 18.
In the above figures:
1, a connecting rod; 2, fixing the block body; 3, locking a screw; 4 a first locking tab; 5 a second locking tab; 6, elastic opening; 7 accommodating holes; 8, a first locking threaded hole; 9 locking a second locking threaded hole; 10 locking the threaded part; 11 self-tapping thread parts; 14 first threads; 15 second threads.
Detailed Description
The invention will be described in further detail with reference to specific embodiments and drawings.
A double locking fixed block; comprises a fixed block body 2 and a locking screw 3 which forms double-screw locking with the fixed block body 2; the fixed block body 2 comprises a hoop part and a fastening part, wherein the hoop part is provided with an annular accommodating hole 7, and an elastic opening 6 is arranged at one side of the accommodating hole 7; the fastening part comprises a first locking piece 4 and a second locking piece 5 which are respectively connected with the upper edge and the lower edge of the elastic opening 6; the first locking piece 4 is provided with a first locking threaded hole 8, and the second locking piece 5 is provided with a second locking threaded hole 9; the first locking threaded hole 8 is concentric with the second locking threaded hole 9 and is perpendicular to the accommodating hole 7; the aperture of the first locking threaded hole 8 is different from the aperture of the second locking threaded hole 9; the first locking threaded hole 8 and the second locking threaded hole 9 have different pitches; the locking screw 3 comprises a locking thread part 10, and threads which are respectively matched with the first locking thread hole 8 and the second locking thread hole 9 correspondingly are arranged on the locking thread part 10; the locking screw 3 is penetrated by a first locking threaded hole 8 with a large aperture, and the locking threaded part 10 is respectively in threaded fit with the first locking threaded hole 8 and a second locking threaded hole 9, so that the elastic opening 6 is gradually reduced to form a holding double-thread locking for the content in the accommodating hole 7.
When the locking screw 3 is screwed in, the first locking piece 4 and the second locking piece 5 are in threaded connection due to different screw pitches of threaded holes on the first locking piece 4 and the second locking piece 5, so that the displacement of the first locking piece 4 and the second locking piece 5 is different, the distance between the first locking piece 4 and the second locking piece 5 is reduced, the locking screw is pulled in, the holding and the tightening of the articles in the accommodating hole 7 are gradually generated, and the locking screw, the first locking piece 4 and the second locking piece 5 form double locking of threaded locking after complete holding.
Since the distance by which the locking screw 3 is screwed in is constant, in order to ensure that both the first locking piece 4 and the second locking piece 5 have a locking effect, and that the second locking piece 5 has a movement close to the first locking piece 4 during the screwing in of the locking screw 3, the pitch of the first locking threaded hole 8 is smaller than the pitch of the second locking threaded hole 9.
For a more flexible use of the fixing block body 2, a second elastic opening is provided at the other side of the receiving hole 7 opposite to the elastic opening 6. The second elastic opening is arranged, so that the fixed block body 2 can be divided into an upper independent part and a lower independent part, and the fixed block body 2 is more flexible when being used.
The holding holes 7 on the fixed block body 2 are one or two, one holding hole 7 is arranged on one side of the fastening part, and the two holding holes 7 are symmetrically arranged at two ends of the fastening part.
Since the number of the elastic openings 6 and the second elastic openings and the number of the receiving holes 7 are variable, the fixing block body 2 may have a form as shown in fig. 1, 4, 5, 6 and 7, wherein for fig. 7, one receiving hole 7 of the second elastic opening is not provided, the receiving hole 7 may be provided as a hinge along a horizontal central symmetry line, or the second elastic opening may be provided; also for fig. 5, two receiving holes 7 are provided with the second elastic opening, and the other fixed block body 2 provided with the second elastic opening is hinged to the receiving hole 7 not provided with the second elastic opening.
Since the two accommodation holes 7 are provided with the second elastic openings, the fixed block body 2 is in a split structure as shown in fig. 6; the split fixed block body 2 can be simply machined and is flexible to use. The fixed block body 2 parts connected through the hinge are arranged, so that the occurrence of the situation of losing parts is reduced in the use process.
In order to better lock the contents, a limit structure is provided inside the receiving hole 7. The limit structure is set according to different built-in objects, for example, the built-in objects are cylindrical, and the protrusion or the groove can be set by matching with the cylinder so as to increase friction with the cylinder and improve the fixing effect.
The invention also discloses a double-locking individuation internal fixing device, which comprises any fixing block body 2, a connecting rod 1, wherein the connecting rod 1 is inserted into the accommodating hole 7, and the fixing block body 2 can slide along the connecting rod 1; the accommodated hole 7 is connected with the fixed block body 2 in a hugging manner; the locking screw 3 is provided with a self-tapping screw portion 11 below the locking screw portion.
When in use, the connecting rod 1 is one or more cylindrical rods, the rod body can be straight, or can be made into a corresponding curve shape according to the radian of bones and fixing requirements, and the corresponding accommodating holes 7 can be correspondingly designed according to the turning radian of the connecting rod 1, and are not limited in detail herein.
As shown in fig. 9, the screw thread portion 10 includes a first screw thread 14 and a second screw thread 15, and the first screw thread 14 and the second screw thread 15 respectively form screw locking with the first locking screw hole 8 and the second locking screw hole 9 respectively; the self-tapping screw 11 is self-tapped directly into the bone, and then is locked after self-tapping as the screw portion of the locking screw 3 comes into contact with different screw pitches and different screw holes, respectively.
The body of the connecting rod 1 and the inside of the accommodating hole 7 are correspondingly matched with each other to form a second limiting structure. The second limiting structure can be that longitudinal grooves are formed in the rod body along the rod body, and the number of the grooves is at least one; the other side of the symmetrical rod body is also provided with a limiting structure, so that the stability of connection is improved.
Preferably, the diameter of the accommodating hole 7 is smaller than or equal to the diameter of the connecting rod 1. The receiving opening 7 does not require a completely wrap-shaped fastening for the inner connecting rod 1, but may be in the form of a half-wrap as long as a clamping can be achieved.
In the application process, the supporting rod 1, the fixing block body 2 and the locking screw 33 are made of medical polymer materials or medical metal materials, and are not limited in this regard, and are made of conventional orthopedic internal fixing materials.
In the present invention, the fixing block body 2 and the connecting rod 1 can be freely combined and interchanged according to actual implementation, and specific combination forms cannot be expressed one by one, and the following provides several basic embodiments:
example 1
In this embodiment, the fixing block body 2 is selected from fig. 7, 8 and 9, the locking screw is shown in fig. 9, the connecting rod 1 is selected from fig. 12, and the double-locking individuation internal fixing device is shown in fig. 15 after combination.
Wherein the fixed block body 2 can be shown in fig. 1, 4, 5, 6 and 7; and the two are exchanged according to actual use requirements. The connecting rod 1 can be interchanged in fig. 12, 13 and 14 according to actual needs. And the fixing block body 2 and the connecting rod 1 can be added according to the requirement for free combination.
Example two
In the present embodiment, the fixing block body 2 is selected from fig. 1, 2 and 3, the locking screw is shown in fig. 9, the connecting rod 1 is selected from fig. 13, and the double-locking individuation internal fixing device is shown in fig. 16.
Wherein the fixed block body 2 can be shown in fig. 1, 4, 5, 6 and 7; and the two are exchanged according to actual use requirements. The connecting rod 1 can be interchanged in fig. 12, 13 and 14 according to actual needs. And the fixing block body 2 and the connecting rod 1 can be added according to the requirement for free combination.
Example III
In the present embodiment, the fixing block body 2 is selected from fig. 1, 2 and 3, the locking screw is shown in fig. 9, the connecting rod 1 is selected from fig. 14, and the double-locking individuation internal fixing device is shown in fig. 17.
Wherein the fixed block body 2 can be shown in fig. 1, 4, 5, 6 and 7; and the two are exchanged according to actual use requirements. The connecting rod 1 can be interchanged in fig. 12, 13 and 14 according to actual needs. And the fixing block body 2 and the connecting rod 1 can be added according to the requirement for free combination.
Example IV
In this embodiment, the fixing block body 2 is selected from the two modes of fig. 1, 2 and 3, and the two modes of fig. 7, 8 and 9, the locking screw is shown in fig. 9, the connecting rod 1 is selected from the two modes of fig. 13, and the double-locking individuation internal fixing device is shown in fig. 18, 19 and 20.
Wherein the fixed block body 2 can be shown in fig. 1, 4, 5, 6 and 7; and the two are exchanged according to actual use requirements. The connecting rod 1 can be interchanged in fig. 12, 13 and 14 according to actual needs. And the fixing block body 2 and the connecting rod 1 can be added according to the requirement for free combination.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any equivalent embodiment that may be changed or modified to equivalent changes by those skilled in the art using the above-described technical disclosure may be applied to other fields, but any simple modification, equivalent change and modification made to the above-described embodiment according to the technical matter of the present invention without departing from the technical scope of the present invention.
Claims (9)
1. The utility model provides an orthopedics double-locking fixed block which characterized in that: comprises a fixed block body (2) and a locking screw (3) which forms double-screw locking with the fixed block body (2); the fixed block body (2) comprises a hoop part and a fastening part, wherein the hoop part is provided with an annular accommodating hole (7), and an elastic opening (6) is arranged at one side of the accommodating hole (7);
the fastening part comprises a first locking piece (4) and a second locking piece (5) which are respectively connected with the upper edge and the lower edge of the elastic opening, a first locking threaded hole (8) is formed in the first locking piece (4), and a second locking threaded hole (9) is formed in the second locking piece (5);
the first locking threaded hole (8) is concentric with the second locking threaded hole (9) and is perpendicular to the accommodating hole (7);
the aperture of the first locking threaded hole (8) is different from the aperture of the second locking threaded hole (9), and the screw pitch of the first locking threaded hole (8) is smaller than that of the second locking threaded hole (9);
the locking screw (3) comprises a locking thread part (10), and threads which are respectively matched with the first locking thread hole (8) and the second locking thread hole (9) in a corresponding manner are arranged on the locking thread part (10);
the locking screw (3) passes through a first locking threaded hole (8) with a large aperture, and the locking threaded part (10) is in threaded fit with the first locking threaded hole (8) and a second locking threaded hole (9) respectively, so that the elastic opening (6) is gradually reduced to form a clasping double-thread locking for the built-in object in the accommodating hole (7).
2. The orthopedic double-locking fixing block according to claim 1, wherein the accommodating hole (7) is provided with a second elastic opening at the other side opposite to the elastic opening (6).
3. The orthopedic double-locking fixing block according to claim 2, wherein the number of the accommodating holes (7) is 1 or the number of the accommodating holes (7) is 2 and the accommodating holes are symmetrically arranged at two ends of the fastening part.
4. An orthopaedic double-locking block according to claim 2 or 3, wherein the receiving hole (7) has a limiting structure inside.
5. The double-locking individuation internal fixing device is characterized by comprising the orthopedic double-locking fixing block according to any of the above claims, and further comprising a connecting rod (1), wherein the connecting rod (1) is inserted into the accommodating hole (7), and the fixing block can slide along the connecting rod (1); the connecting rod (1) is connected with the fixed block body (2) in a hugging manner by the accommodating hole (7); the locking screw (3) is provided with a self-tapping thread part (11) below the locking thread part (10).
6. The double-locking individualization inner fixing device according to claim 5, wherein the connecting rod (1) is one of a straight rod or a U-shaped rod.
7. The double-locking individualization inner fixing device according to claim 6, wherein the connecting rod (1) has a circular cross section.
8. The double-locking individuation internal fixation device according to claim 7, wherein the rod body of the connecting rod (1) and the inside of the accommodating hole (7) are correspondingly matched with each other to form a second limit structure.
9. Double-locking individualised internal fixation device according to any of claims 5-8, characterized in that the receiving hole (7) has a diameter smaller than or equal to the diameter of the connecting rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069346.7A CN107714168B (en) | 2017-11-03 | 2017-11-03 | Orthopedics double-locking fixed block and double-locking individuation internal fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069346.7A CN107714168B (en) | 2017-11-03 | 2017-11-03 | Orthopedics double-locking fixed block and double-locking individuation internal fixation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107714168A CN107714168A (en) | 2018-02-23 |
| CN107714168B true CN107714168B (en) | 2023-04-21 |
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| CN201711069346.7A Active CN107714168B (en) | 2017-11-03 | 2017-11-03 | Orthopedics double-locking fixed block and double-locking individuation internal fixation device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111166453A (en) * | 2019-12-26 | 2020-05-19 | 天津市威曼生物材料有限公司 | Closed locking device |
| CN110916782A (en) * | 2019-12-26 | 2020-03-27 | 天津市威曼生物材料有限公司 | Semi-closed fixing device |
| CN111035443A (en) * | 2019-12-26 | 2020-04-21 | 天津市威曼生物材料有限公司 | Double-rod fixing block |
| WO2021129548A1 (en) * | 2019-12-26 | 2021-07-01 | 天津市威曼生物材料有限公司 | Semi-closed fixing device and closed locking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282862A (en) * | 1991-12-03 | 1994-02-01 | Artifex Ltd. | Spinal implant system and a method for installing the implant onto a vertebral column |
| US5810817A (en) * | 1992-06-19 | 1998-09-22 | Roussouly; Pierre | Spinal therapy apparatus |
| CN1754521A (en) * | 2004-09-27 | 2006-04-05 | 奥瑟菲克斯国际有限公司 | Intramedullary nail for the treatment of proximal femur fractures and device |
| CN101897616A (en) * | 2009-04-03 | 2010-12-01 | 史塞克创伤有限责任公司 | Sonic screw |
| CN102188282A (en) * | 2010-03-08 | 2011-09-21 | 史赛克创伤公司 | Bone fixation system with curved profile threads |
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2017
- 2017-11-03 CN CN201711069346.7A patent/CN107714168B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282862A (en) * | 1991-12-03 | 1994-02-01 | Artifex Ltd. | Spinal implant system and a method for installing the implant onto a vertebral column |
| US5810817A (en) * | 1992-06-19 | 1998-09-22 | Roussouly; Pierre | Spinal therapy apparatus |
| CN1754521A (en) * | 2004-09-27 | 2006-04-05 | 奥瑟菲克斯国际有限公司 | Intramedullary nail for the treatment of proximal femur fractures and device |
| CN101897616A (en) * | 2009-04-03 | 2010-12-01 | 史塞克创伤有限责任公司 | Sonic screw |
| CN102188282A (en) * | 2010-03-08 | 2011-09-21 | 史赛克创伤公司 | Bone fixation system with curved profile threads |
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| CN107714168A (en) | 2018-02-23 |
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