CN107714168A - A kind of double-locking fixed block and double-locking individuation inner fixing device - Google Patents

A kind of double-locking fixed block and double-locking individuation inner fixing device Download PDF

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Publication number
CN107714168A
CN107714168A CN201711069346.7A CN201711069346A CN107714168A CN 107714168 A CN107714168 A CN 107714168A CN 201711069346 A CN201711069346 A CN 201711069346A CN 107714168 A CN107714168 A CN 107714168A
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CN
China
Prior art keywords
locking
fixed block
double
screw
locking screw
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Granted
Application number
CN201711069346.7A
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Chinese (zh)
Other versions
CN107714168B (en
Inventor
纪玉清
李建民
吴玉仙
江雯
王云志
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Qilu Hospital of Shandong University Qingdao
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Individual
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Priority to CN201711069346.7A priority Critical patent/CN107714168B/en
Publication of CN107714168A publication Critical patent/CN107714168A/en
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Publication of CN107714168B publication Critical patent/CN107714168B/en
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Classifications

    • 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
    • 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
    • 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
    • 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
    • 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

Abstract

The present invention relates to a kind of double-locking fixed block；The lock screw of double helix locking is formed including fixed block body and with fixed block.Fixed block body includes hoop portion and fastening part.Fastening part includes and following the first locking plate and the second locking plate to connect respectively on elastic opening；Two locking screw pits are concentric and aperture is different, pitch is different, and perpendicular to receiving hole；Lock screw corresponds to screw thread locking respectively with the first locking screw pit, the second locking screw pit.A kind of double-locking individuation inner fixing device, including any of the above fixed block, in addition to pitman are also disclosed, pitman is inserted in receiving hole, and fixed block can slide along pitman；It is received hole and is connected with holding shape tightly with fixed block；Lock screw sets tapping screw thread portion below locking screw portion.It is simple in construction, it is safe and reliable；The implantation surgery of the built-in fixed device is simple to operate, reduces the slight illness of patient, improves bone Quality of rehabilitation and therapeutic effect.

Description

A kind of double-locking fixed block and double-locking individuation inner fixing device
Technical field
The present invention relates to field of medical device, and in particular to a kind of internal fixation device of double-locking cohesion device and orthopaedics.
Background technology
With late 1990s, European AO, BO Internal fixation technology theory successively introduces China, and it is high to happen China's economy Fast developing stage, traffic wound and industrial injury quantity are big so that fixed in AO, BO theory to be able in clinical rapid, exhibition extensively Open, by the application of more than ten years, internal fixation device for department of orthopaedics also follow clinic development and constantly update, derivation, development.
Current methods of internal fixation species is although various, is manufactured in advance according to skeleton model mostly, though there is different size Point, but the mostly simple difference of length, width etc., and the state of an illness of patient change it is various, such as：The traveling of fracture line, fracture Both ends can be used to fixed bone amount, the anatomical variation of bone surface angle, the number of sclerite and size, Patients with Bone Tumor bone and lack The position of damage and size, and requirement of the change of these state of an illness to inner fixing device is often considerably beyond the pre- of design of originally dispatching from the factory Material, can also be solved considerably beyond the simple interior change for being fixed on the models such as length, width, cause the flaw of patient's methods of internal fixation Defect, it is fixed in long term to loosen, shift, being broken, and subjects bones' healing is influenceed, traditional methods of internal fixation lacks individuality and become in a word Change, different patient demands can not be met.
Fixed mode can not meet the requirement of patient's treatment and operation at present, and therefore, there is an urgent need in development of new Fixing device, it is possible to provide it is effectively fixed, meet the personalized treatment needs of different patients.Different physique can be directed to, different parts, Different type, and and different stress situations implement with targetedly, accord with the interior solid of biology and Biomechanical Mechanism Fixed operation, so as to obtain fixed effect in preferably.
The fixed block of inner fixing device in the prior art is locked using individual layer, such as patent：In CN100496424C Pitman or stay are extruded using nut, are fixed；Such a mode relies on the cooperation of screw thread and nut, each other Between influence each other, if one of part goes wrong, whole device will lose fixed effect；Not only influence sufferer health It is multiple, while cause secondary injury.
The content of the invention
In view of the above-mentioned problems, have it is an object of the present invention to provide one kind simple in construction, stably, it is possible to achieve respectively The double-locking fixed block of screw-threaded coupling；Another purpose is to provide a kind of inner fixing device using this double-locking fixed block.
The technical solution used in the present invention is as follows：A kind of double-locking fixed block；Including fixed block body and with fixation Block body forms the lock screw of double helix locking；Fixed block body includes hoop portion and fastening part, and the hoop portion has annular Receiving hole, elastic opening is set in the side of receiving hole；The fastening part includes first with connecting respectively below on elastic opening Locking plate and the second locking plate, the first locking screw pit is set on first locking plate, the second lock is set on the second locking plate Tight screwed hole；First locking screw pit and the second locking screw pit are concentric, and perpendicular to receiving hole；First locking screw The aperture of pit is different from the aperture of the second locking screw pit, and the pitch of the first locking screw pit and the second locking screw pit is not Together；The lock screw includes locking screw portion, setting and the first locking screw pit, the second locking screw in the locking screw portion Pit distinguishes the screw thread of corresponding matching；The lock screw is passed through by the first big locking screw pit of aperture, locking screw portion with First locking screw pit, the second locking screw pit form screw thread cooperation respectively, elastic opening is tapered into built in receiving hole Thing, which is formed, holds the locking of shape double thread tightly.
Preferably:The pitch of first locking screw pit is less than the pitch of the second locking screw pit.
Preferably:The opposite side of the receiving hole relative resilient opening sets the second elastic opening.
Preferably:The receiving hole is 1 or the receiving hole is 2 and is symmetricly set on fastening part both ends.
Preferably:There is position limiting structure inside the receiving hole.
A kind of double-locking individuation inner fixing device, including the fixed block described in any of the above, in addition to pitman, it is described In pitman insertion receiving hole, fixed block can slide along pitman；It is received hole and is connected with holding shape tightly with fixed block；The lock Determine screw and tapping screw thread portion is set below locking screw portion.
Preferably:The pitman is one kind of straight rod or U-rod.
Preferably:The pitman barrel cross section is circle.
Preferably:Cooperate corresponding with inside receiving hole of the rod body of the pitman sets the second position limiting structure.
Preferably:The receiving bore dia is less than or equal to pitman diameter.
Beneficial effect
Unique double-locking design of the invention, locking, can't influence each other independently of one another, reduce whole device failure Possibility；Improve the security of fixed block locking；Free group of built-in fixed device provided by the invention, more rods and more fixed blocks Close and meet personalized fixed needs, support embedded with minimal invasion, the implantation surgery of the built-in fixed device is simple to operate, reduces trouble The slight illness of person, bone Quality of rehabilitation and therapeutic effect are improved, shorten treatment and the rehabilitation duration of patient, mitigate the pain of patient And financial burden, meet the actual demand of clinic.
Brief description of the drawings
The fixed block body construction schematic diagram one of Fig. 1 double-locking fixed blocks；
Fig. 2 is Fig. 1 fixation block body main structure diagram；
Fig. 3 is Fig. 1 fixation block body left view structural representation；
The fixed block body construction schematic diagram two of Fig. 4 double-locking fixed blocks；
The fixed block body construction schematic diagram three of Fig. 5 double-locking fixed blocks；
The fixed block body construction schematic diagram four of Fig. 6 double-locking fixed blocks；
The fixed block body construction schematic diagram five of Fig. 7 double-locking fixed blocks；
Fig. 8 is Fig. 7 fixation block body main structure diagram；
Fig. 9 is the lock-screw structural representation of double-locking fixed block；
Figure 10 is the structural representation one of double-locking fixed block；
Figure 11 is the structural representation two of double-locking fixed block；
Figure 12 pitmans structural representation one；
Figure 13 pitmans structural representation two；
Figure 14 pitmans structural representation three；
Figure 15 is double-locking individuation inner fixing device structural representation one；
Figure 16 is double-locking individuation inner fixing device structural representation two；
Figure 17 is double-locking individuation inner fixing device structural representation three；
Figure 18 is double-locking individuation inner fixing device structural representation four；
Figure 19 is Figure 18 overlooking the structure diagram；
Figure 20 is Figure 18 main structure diagram.
Above in each figure：
1 pitman；2 fix block body；3 lock screws；4 first locking plates；5 second locking plates；6 elastic openings；7 accommodate Hole；8 first locking screw pits；9 the second locking screw pits of lock；10 locking screw portions；11 tapping screw thread portions；14 first screw threads；15 Second screw thread.
Embodiment
The present invention is described in further details with reference to specific embodiment and accompanying drawing.
A kind of double-locking fixed block；The locking of double helix locking is formed including fixed block body 2 and with fixed block body 2 Screw 3；Fixed block body 2 includes hoop portion and fastening part, and hoop portion has annular receiving hole 7, and elasticity is set in the side of receiving hole 7 Opening 6；Fastening part includes and following the first locking plate 4 and the second locking plate 5 to connect respectively on elastic opening 6；First locking First locking screw pit 8 is set on piece 4, the second locking screw pit 9 is set on second locking plate 5；First locking screw pit 8 and Two locking screw pits 9 are concentric, and perpendicular to receiving hole 7；The aperture of first locking screw pit 8 and the hole of the second locking screw pit 9 Footpath is different；First locking screw pit 8 is different from the pitch of the second locking screw pit 9；Lock screw 3 includes locking screw portion 10, Screw thread with the first locking screw pit 8, the second locking screw pit 9 difference corresponding matching is set in locking screw portion 10；Lock spiral shell Nail 3 is passed through by the first big locking screw pit 8 of aperture, the locking screw pit 8 of locking screw portion 10 and first, the second locking screw pit 9 form screw thread respectively coordinates, and tapers into elastic opening 6 and the double thread locking of holding shape is formed to the inner matter of receiving hole 7.
The present invention is locked based on double thread produced by different screw threads, pitch, when lock screw 3 is screwed into, because of the first locking Piece 4 is different with the pitch of the upper screwed hole of the second locking plate 5, is all between the first locking plate 4 and the second locking plate 5 and holding screw The displacement of the first locking plate 4 and the second locking plate 5 is created a difference using threaded connection, cause both distances to reduce, draw Closely, holding, the state of banding are gradually produced to the glove in receiving hole 7, reaches the next holding screw of complete hold and the first locking Piece 4, the second locking plate 5 form the double-locking of screw thread locking respectively.
Because the distance that lock screw 3 is screwed into is certain, to ensure that the first locking plate 4 and the second locking plate 5 play Locking action, and during lock screw 3 is screwed into, the second locking plate 5 has relative to the close motion of the first locking plate 4, the The pitch of one locking screw pit 8 is less than the pitch of the second locking screw pit 9.
In order to fix the more flexible use of block body 2, second is set in the opposite side of the relative resilient opening 6 of receiving hole 7 Elastic opening.The setting of second elastic opening so that fixed block body 2 can be divided into two single parts up and down, use It is more flexible during this fixation block body 2.
Receiving hole 7 on fixed block body 2 is one or two, and a receiving hole 7 is arranged on the side of fastening part, two Individual receiving hole 7 is symmetricly set on fastening part both ends.
Because the quantity of elastic opening 6 and the second elastic opening and receiving hole 7 is indefinite, fixed block body 2 can have Following form, as shown in Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7, wherein for Fig. 7, it is not provided with an appearance of the second elastic opening Receive hole 7, receiving hole 7 can be set along horizontal centre line of symmetry and be in the hinge connection, the second elastic opening can also be set；Together Sample for Fig. 5, two receiving holes 7 are one of to set second elastic openings, and another sets the second elastic opening Fixed block body 2, will set hinge connection in the receiving hole 7 for being not provided with the second elastic opening.
Because two receiving holes 7 are all provided with the second elastic opening so that fixed block body 2 turns into Split type structure such as Fig. 6 It is shown；The fixation block body 2 of split can realize that processing is simple, using flexible.Hinged fixed block body 2 zero is set Part, in use, reduce the occurrence of drop part occurs.
In order to preferably be locked to inner matter, there is position limiting structure inside receiving hole 7.This position limiting structure is in The difference of glove and set, such as inner matter is cylinder, can set projection or groove with cylindrical fit to increase and post The friction in face, improve fixed effect.
The invention also discloses a kind of double-locking individuation inner fixing device, including any of the above to fix block body 2, also Including pitman 1, pitman 1 is inserted in receiving hole 7, and fixed block body 2 can slide along pitman 1；Hole 7 is received to hold tightly Shape is connected with fixed block body 2；Lock screw 3 sets tapping screw thread portion 11 below locking screw portion.
When in use, pitman 1 is one or more cylindrical bars, and rod body can be straight, or according to bone radian, fixation Needing and response curve shape is made, corresponding receiving hole 7 can be designed accordingly according to the turnover radian of pitman 1, Restriction is not repeated herein.
Lock-screw is as shown in figure 9, threaded portion 10 includes the first screw thread 14 and the second screw thread 15, the first screw thread 14 and second Screw thread 15 forms screw-threaded coupling respectively with the first locking screw pit 8, the second locking screw pit 9 respectively；Tapping screw thread portion 11 is direct Self tapping enters bone, is contacted respectively with different pitch, different screwed holes then as the threaded portion of lock screw 3, in self tapping Lock afterwards.
Cooperate corresponding with the inside of receiving hole 7 of the rod body of pitman 1 sets the second position limiting structure.Second position limiting structure can To be to open up cannelure along rod body with rod, fluting quantity is at least one；Can also symmetrically rod body opposite side set limit Bit architecture, increase the stability of connection.
Preferably:The diameter of receiving hole 7 is less than or equal to the diameter of pitman 1.Receiving hole 7 for inside pitman 1 and should not Ask the fastening of fully wrapped around shape, if can be achieved on holding can, can be in the form of semi-surrounding.
During use is implemented, support stick 1, fixed block body 2, lock screw 33 with conventional orthopaedics internal fixation material, It is made up of medical macromolecular materials or medical metal material, does not limit herein.
In the present invention, fixed block body 2 and pitman 1 can according to the carry out independent assortment of reality, exchange, specifically Combining form can not be stated one by one herein, several basic embodiments presented below：
Embodiment one
In the present embodiment, fixed block body 2 selects Fig. 7, Fig. 8, Fig. 9, and lock-screw is as shown in figure 9, pitman 1 selects As shown in figure 12, double-locking individuation inner fixing device as shown in figure 15 after combination.
Wherein fixed block body 2 can be in Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7；Need to exchange according to the use of reality.Connection Rod 1 basis can be actually needed exchange in Figure 12, Figure 13, Figure 14.And can increase as needed fixed block body 2 and The independent assortment of pitman 1 uses.
Embodiment two
Mode one is different from, in the present embodiment, fixed block body 2 selects Fig. 1, Fig. 2, Fig. 3, lock-screw such as Fig. 9 institutes Show, pitman 1 selects as shown in figure 13, to be combined into double-locking individuation inner fixing device as shown in figure 16.
Wherein fixed block body 2 can be in Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7；Need to exchange according to the use of reality.Connection Rod 1 basis can be actually needed exchange in Figure 12, Figure 13, Figure 14.And can increase as needed fixed block body 2 and The independent assortment of pitman 1 uses.
Embodiment three
Embodiment one, two is different from, in the present embodiment, fixed block body 2 selects Fig. 1, Fig. 2, Fig. 3, and lock-screw is such as Shown in Fig. 9, pitman 1 selects as shown in figure 14, to be combined into double-locking individuation inner fixing device as shown in figure 17.
Wherein fixed block body 2 can be in Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7；Need to exchange according to the use of reality.Connection Rod 1 basis can be actually needed exchange in Figure 12, Figure 13, Figure 14.And can increase as needed fixed block body 2 and The independent assortment of pitman 1 uses.
Example IV
Be different from embodiment one, two, three, in the present embodiment, fixed block body 2 select Fig. 1,2,3 and figure Fig. 7, Fig. 8, Fig. 9 two ways combines, and lock-screw is as shown in figure 9, pitman 1 selects as shown in figure 13, to be combined into such as Figure 18, Figure 19, figure Double-locking individuation inner fixing device shown in 20.
Wherein fixed block body 2 can be in Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7；Need to exchange according to the use of reality.Connection Rod 1 basis can be actually needed exchange in Figure 12, Figure 13, Figure 14.And can increase as needed fixed block body 2 and The independent assortment of pitman 1 uses.
It the above is only presently preferred embodiments of the present invention, be not the limitation for making other forms to the present invention, it is any ripe Know the equivalent reality that professional and technical personnel was changed or be modified as equivalent variations possibly also with the technology contents of the disclosure above Apply example and be applied to other fields, but every without departing from technical solution of the present invention content, according to the present invention technical spirit to Any simple modification, equivalent variations and the remodeling that upper embodiment is made, still fall within the protection domain of technical solution of the present invention.

Claims (10)

  1. A kind of 1. double-locking fixed block；It is characterized in that:Formed including fixed block body (2) and with fixed block body (2) double The lock screw (3) of spiral locking；Fixed block body (2) includes hoop portion and fastening part, and the hoop portion has annular receiving hole (7), elastic opening (6) is set in the side of receiving hole (7)；
    The fastening part includes the first locking plate (4) and the second locking plate (5) with connecting respectively below on elastic opening (6),
    First locking screw pit (8) is set on first locking plate (4), and the second locking plate sets the second locking screw on (5) Hole (9)；
    First locking screw pit (8) and the second locking screw pit (9) are concentric, and perpendicular to receiving hole (7)；
    The aperture of first locking screw pit (8) is different from the aperture of the second locking screw pit (9), the first locking screw pit (8) it is different from the pitch of the second locking screw pit (9)；
    The lock screw (3) includes locking screw portion (10), is set and the first locking screw on the locking screw portion (10) Hole (8), the screw thread of the second locking screw pit (9) difference corresponding matching；
    The lock screw (3) is passed through by big the first locking screw pit (8) in aperture, locking screw portion (10) and the first locking screw Pit (8), the second locking screw pit (9) form screw thread cooperation respectively, elastic opening (6) is tapered into in receiving hole (7) Glove, which is formed, holds the locking of shape double thread tightly.
  2. 2. double-locking fixed block according to claim 1, it is characterised in that:The pitch of first locking screw pit (8) Less than the pitch of the second locking screw pit (9).
  3. 3. double-locking fixed block according to claim 1, it is characterised in that:Receiving hole (7) the relative resilient opening (6) Opposite side set the second elastic opening (6).
  4. 4. double-locking fixed block according to claim 3, it is characterised in that:The receiving hole (7) is 1 or the receiving Hole (7) is 2 and is symmetricly set on fastening part both ends.
  5. 5. the double-locking fixed block according to claim 3 or 4, it is characterised in that:Have inside the receiving hole (7) spacing Structure.
  6. A kind of 6. double-locking individuation inner fixing device, it is characterised in that including the fixed block described in any of the above claim, Also include pitman (1), pitman (1) the insertion receiving hole (7) is interior, and fixed block can slide along pitman (1)；It is received Hole (7) is connected with holding shape tightly with fixed block body (2)；The lock screw (3) sets self tapping below locking screw portion (10) Threaded portion (11).
  7. 7. double-locking individuation inner fixing device according to claim 6, it is characterised in that:The pitman (1) is straight One kind of rod or U-rod.
  8. 8. double-locking individuation inner fixing device according to claim 7, it is characterised in that:Pitman (1) the rod body Section is circle.
  9. 9. double-locking individuation inner fixing device according to claim 8, it is characterised in that:The rod of the pitman (1) Body sets the second position limiting structure with internal corresponding cooperate of receiving hole (7).
  10. 10. the double-locking individuation inner fixing device according to any one of claim 6-9, it is characterised in that:The appearance Hole (7) diameter of receiving is less than or equal to pitman (1) diameter.
CN201711069346.7A 2017-11-03 2017-11-03 Orthopedics double-locking fixed block and double-locking individuation internal fixation device Active CN107714168B (en)

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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

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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

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CN107714168B CN107714168B (en) 2023-04-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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