CN105662570B - Bone-cement type combination broach screw, bone cement injecting systems and composite screwdriver - Google Patents
Bone-cement type combination broach screw, bone cement injecting systems and composite screwdriver Download PDFInfo
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- CN105662570B CN105662570B CN201610158526.1A CN201610158526A CN105662570B CN 105662570 B CN105662570 B CN 105662570B CN 201610158526 A CN201610158526 A CN 201610158526A CN 105662570 B CN105662570 B CN 105662570B
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- 239000002639 bone cement Substances 0.000 title claims abstract description 135
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 239000000203 mixture Substances 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000178 monomer Substances 0.000 abstract description 4
- 230000001988 toxicity Effects 0.000 abstract description 4
- 231100000419 toxicity Toxicity 0.000 abstract description 4
- 238000007596 consolidation process Methods 0.000 abstract 2
- 206010017076 Fracture Diseases 0.000 description 23
- 238000010586 diagram Methods 0.000 description 20
- 210000004872 soft tissue Anatomy 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 4
- 238000010561 standard procedure Methods 0.000 description 4
- 230000003416 augmentation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 201000010814 Synostosis Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 230000002315 pressor effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
-
- 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
- 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
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- 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
- A61B17/866—Material or manufacture
-
- 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
- A61B17/8685—Pins or screws or threaded wires; nuts therefor comprising multiple separate parts
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8825—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by syringe details
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8833—Osteosynthesis tools specially adapted for handling bone cement or fluid fillers; Means for supplying bone cement or fluid fillers to introducing tools, e.g. cartridge handling means
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8875—Screwdrivers, spanners or wrenches
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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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
- A61B2017/00831—Material properties
- A61B2017/00951—Material properties adhesive
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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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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The present invention discloses a kind of bone-cement type combination broach screw and bone cement injecting systems and composite screwdriver for the bone screws, bone-cement type combination broach screw includes component A and component B, bone cement injecting systems include component C and component D, composite screwdriver includes interior bottle opener E and outer bottle opener F, component C and component D and component A and component B are cooperated with each other, bone cement is injected, interior bottle opener E and outer bottle opener F and component A and component B are cooperated with each other, and are reinforced to screw.The bone-cement type combination broach screw of this patent can carry out second consolidation, and consolidation effect is preferable；Disperse is quantitatively oriented by bone cement injecting systems, reduces bone cement dosage, reduces the risk of bone cement monomer toxicity；Composite screwdriver and bone-cement type combination broach screw contact with each other, and area is big, and control of the bottle opener to screw when being more advantageous to operation facilitates operation；It is easy to take out upon completing the procedure.
Description
Technical field
The present invention relates to medical fracture fixation devices, more particularly to be applied to sclerite between reset, pressurization and it is strong
Fixed internal fixation system and matched bone cement injecting systems and dedicated composite screwdriver.
Background technique
Some fracture for needing to perform the operation are being treated, such as: articular fracture, cdontoid process are needed through lag screw by adding
The mode of pressure realizes the strong fixation of fracture.The relevant biomechanical principle of this treatment method is as follows: lag screw is by pad
The axial compression stress formed between piece or bone plate and cortical bone, forms pressor effect between sclerite, realize sclerite it
Between strong fixation.During the fixed fracture of lag screw, compression be the key that can realize the strong fixation of fracture because
Element；Bone mass is to influence one of the key factor of compression, when being associated with the bone of osteoporosis, due to bone mass
Decline is obvious, and usual pulling force screw cannot achieve the strong fixation of pressurization of fracture.
At present clinically, it solves the problems, such as this usual scheme: being AO lag screw combination cement augmentation technology, specifically
It is as follows: to be punched in the suitable position of bone, a certain amount of bone cement is injected in nail hole, makes bone cement in nail hole and around hole
Then disperse in cancellous bone is implanted into AO lag screw in the appropriate time, pressurize and fix fracture.Although this scheme is biological
Mechanical advantage is obvious, but is not widely used in clinic, because there are many unfavorable factors: such as bone cement disperse control is tired
Difficult, operating time it is restricted (must before bone cement solidification pedicle screw, and the fixed fracture of pressurization for completing screw), bone water
Mud monomer toxicity, screw such as are not easily taken out at the dispute.This technology problem intrinsic there is also AO lag screw simultaneously, such as: AO is drawn
Power tip of screw soft tissue interference problem etc..
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of bone-cement type combination broach screw system, bone cement injection systems
System and its special composite screwdriver: first, can be realized whole effects of screw combination cement augmentation technology；Second, significant drop
The dosage of low bone cement reduces the risk of bone cement monomer toxicity；Third, avoiding the restricted problem of operation time；Fourth,
Realize that bone cement orients quantitative disperse；It is fixed fifth, screw forms biology with bone interface, reducing long-term loosening may；Sixth,
Be conducive to operate, reduce the learning curve gradient, reduce dependence doctors experience to the greatest extent；Seventh, reducing the interference of tip of screw soft tissue
Degree；Eighth, screw can partially take out, when tip of screw soft tissue annoyance level weight, need to take out screw to eliminate soft tissue
When interference, the difficulty that screw takes out is reduced.
In order to solve the above technical problems, the present invention provides the following technical scheme that
A kind of bone-cement type combination broach screw, comprising: the bone-cement type combination broach screw includes component A and component
B；
The component A includes the first screw thread 2 and the second screw thread 3, and the inside of the component A is cavity 1, first spiral shell
Several bone cement disperse holes 4 for extending through thread outer surface, the cavity 1 and the bone are provided on the intracavity sidewall of line 2
Cement disperse hole 4 is connection, and the tail portion of the second screw thread 3 is hollow prism shape structure 5；
The component B is hollow structure inside, and the side of the component B, which is provided with, to be connect with the second screw thread of component A (3)
Third screw thread 6, the other side the component B are provided with hemispherical hollow structure 7, and 7 end of hemispherical hollow structure is provided with
Cross-shaped groove structure 8.Certainly, the plum blossom trough or the other similar structure for being capable of fixing component B of similar cross-shaped groove structure are also and are somebody's turn to do
The mutually equivalent structure of technical characteristic, belongs to the scope of this patent.
As a kind of a kind of priority scheme of bone-cement type combination broach screw of the present invention: the bone cement disperse
Hole 4 is set to the side away from screw direction of advance of 2 convex screw thread of the first screw thread.
Because if bone cement disperse hole is arranged in the side towards screw direction of advance of 2 convex screw thread of the first screw thread,
The purposes restored for screw pressurization, fixed, bone is little, will increase the dosage of bone cement instead.Using this patent scheme, energy
Enough more preferable control bone cement disperse directions, improvement effect reduce dosage.
As a kind of a kind of priority scheme of bone-cement type combination broach screw of the present invention: the bone cement disperse
Axis of the export direction in hole 4 perpendicular to the combination broach screw.To be more conducive to bone cement disperse effect.
As a kind of a kind of priority scheme of bone-cement type combination broach screw of the present invention: the sky of the component A
One end aperture of chamber 1 is located in the central spindle of the first screw thread 2 in the second screw thread 3, the other end, is closed or through screw and outside
Boundary's connection；
First screw thread 2, the second screw thread 3 and third screw thread 6 are coaxial threadeds, and the screw pitch and screw thread of the first screw thread 2 are deep
Degree is greater than the second screw thread 3, third screw thread 6；Second screw thread 3 is identical as the screw pitch of third screw thread 6 and the depth of thread, the second screw thread 3
The connection to realize component A and component B is mutually matched with third screw thread 6.
As a kind of a kind of priority scheme of bone-cement type combination broach screw of the present invention: first screw thread 2
And second be provided with hollow smooth cylindrical stem 22 between screw thread 3, hollow smooth 22 surface of cylindrical stem is provided with
First graduation mark 23；Non-threaded portion 24, the nothing are provided between the third screw thread 6 and hemispherical hollow structure 7 of the component B
24 surface of threaded portion is provided with the second graduation mark 25.
As a kind of a kind of priority scheme of bone-cement type combination broach screw of the present invention: the half of the component B
The end of spherical hollow structure 7 is flat.The arcwall face of hemispherical dome structure end relative to the setting of AO lag screw one end, bone
Cement mo(u)ld combination broach tip of screw incisura is low, and the space occupied is small, small to soft tissue interference, but its Unique physical design is again
Bottle opener can be increased and be in contact with it face, convenient for fixation, screwed.
A kind of bone cement injecting systems for bone-cement type combination broach screw of the present invention: including component C and group
Part D；
The component C is hollow cylindrical structure, including the first hollow cylindrical structure 9 and the second hollow cylindrical structure 10, institute
State 9 surface of the first hollow cylindrical structure and be provided with third graduation mark 11 or without scale, first hollow cylindrical structure 9 it is straight
Diameter is greater than the diameter of second hollow cylindrical structure 10, one end of first hollow cylindrical structure 9 and described second hollow
Cylindrical structure 10 connects, and the other end is provided with flat distal end 12；
The component D is cylindrical structure, including the first cylindrical structure 13 and the second cylindrical structure 14, the first cylinder knot
Structure 13 and first hollow cylindrical structure 9 are fitted close, and second cylindrical structure 14 and the second hollow cylindrical structure 10 are tight
Close fit.
A kind of composite screwdriver for bone-cement type combination broach screw of the present invention: including interior bottle opener E and outer bottle opener
F；
The interior bottle opener E includes the first cylindrical handle 16 and the second cylindrical stem 17, second cylindrical stem
17 ends are prismatic structure 18, are arranged in the prismatic structure 18 of the interior bottle opener and second screw thread of component A 3 hollow
Prismatic structure 5 is mutually matched；
The outer bottle opener F is hollow structure, including third cylindrical handle 19 and the 4th cylindrical stem 20, the described 4th
20 end of cylindrical stem is crosswise structure 21, the crosswise structure 21 of the outer bottle opener and the component B hemispherical hollow
The cross-shaped groove structure 8 being arranged in structure 7 is mutually matched；
The overall diameter of the second cylindrical stem 17 of the interior bottle opener E is less than or equal to the hollow structure of the outer bottle opener F
Interior diameter, the second cylindrical stem 17 of the interior bottle opener cylinder E across the hollow structure of the outer bottle opener F realize in rise
Sub- E and outer bottle opener F combination；The length of interior second cylindrical stem of bottle opener E 17 is greater than the cylindrical stem of the outer bottle opener F
20 length；
Locking structure 29 is provided between the interior bottle opener E and outer bottle opener F of the composite screwdriver.
A kind of preferred embodiment as the composite screwdriver of the present invention for bone-cement type combination broach screw: described
One end of the first cylindrical handle 16 of interior bottle opener E and the connection of the second cylindrical stem 17 is provided with hollow cylindrical structure 26,
When interior bottle opener E and outer bottle opener F is combined, 19 part of third cylindrical handle of the outer bottle opener F is located at the hollow circle of interior bottle opener E
In column construction 26, the third cylindrical handle 19, hollow cylindrical structure 26 and the first cylindrical handle 16 constitute compound
The handle of bottle opener.
A kind of preferred embodiment as the composite screwdriver of the present invention for bone-cement type combination broach screw: described
Angled 4th graduation mark 27, the third cylinder hand of the outer bottle opener F is arranged in 16 surface of the first cylindrical handle of interior bottle opener E
19 surface of handle is provided with the 5th angle index line 28.
At least there are following advantageous effects using technical solution of the present invention:
One, bone-cement type combination broach screw is implanted into bone by special composite screwdriver, and fracture with compressive effect is occurring
Before, special screwdriver is an entirety, and without relative motion between inside and outside bottle opener, therefore bone-cement type combination broach screw is one whole
Body, without relative motion between component A and component B；At this point, the prismatic structure 18 and component A hollow prism shape structure of interior bottle opener
5, outer bottle opener crosswise structure 21 and component B cross-shaped groove structure 8, this two groups of structures form special screwdriver and bone-cement type combination drawing
The multiple matching of power screw, compared with AO lag screw and matched bottle opener, the composite screwdriver and bone-cement type of this patent are combined
Lag screw contacts with each other, and area is big, and control of the bottle opener to screw when being more advantageous to operation facilitates operation.
Two, bone-cement type combination broach screw one end setting hemispherical hollow structure 7, end be it is horizontal, relatively
Arcwall face in the hemispherical dome structure end of AO lag screw one end setting, bone-cement type combination broach tip of screw incisura is low,
The space occupied is small, interferes soft tissue small.
Three, the cavity 1 by bone cement injecting systems by bone cement through component A cylinder, bone cement disperse hole 4 are quantitatively fixed
To disperse, bone cement disperse and the optimization of dosage are realized, reduce bone cement dosage, reduce the risk of bone cement monomer toxicity.
Four, during a kind of bone-cement type combination broach screw system and its special screwdriver progress fracture with compressive are fixed,
The first step is the implantation of bone-cement type combination broach screw, second step is the injection of bone cement and solidification, third step are bone cements
Pressurization of the type combination broach screw to fracture, these three steps are successively carry out, independent steps, and three steps are mutually not
Interference, operation without strict time limit, be more advantageous to doctor grasp related medical technical ability, the gentle gradient of learning curve, favorably
In the formation of standard and popularizing for technology.
Five, during the pressurization of bone-cement type combination broach screw fixes fracture and maintains fracture stabilization, bone can be grown into
In surface-treated component B micropore, synostosis is formed, is fixed to obtain biology, further improves bone-to-bone cement
The stability of type combination broach screw interface reduces fixed a possibility that loosening in long term.
Six, when screw tail tissue interferes, when needing to take out screw, it is only necessary to take out component B, and cement augmentation
Fixed component A indwelling is in internal, the difficulty of taking-up lag screw when reducing lag screw joint bone cement technology fixation fracture
Degree.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the component A of bone-cement type combination broach screw of an embodiment of the present invention a kind of；
Fig. 2 is end view of the Fig. 1 from screw tail portion；
Fig. 3 is the structural schematic diagram of the component B of bone-cement type combination broach screw of an embodiment of the present invention a kind of；
Fig. 4 is end view of the Fig. 3 from tail portion；
Fig. 5 is a kind of knot of the component A of bone-cement type combination broach screw of an embodiment of the present invention in conjunction with component B
Structure schematic diagram；
Fig. 6 is a kind of bone cement injecting systems for bone-cement type combination broach screw of an embodiment of the present invention
The structural schematic diagram of component C；
Fig. 7 is a kind of bone cement injecting systems for bone-cement type combination broach screw of an embodiment of the present invention
The structural schematic diagram of component D；
Fig. 8 is a kind of bone cement injecting systems group for bone-cement type combination broach screw of an embodiment of the present invention
The structural schematic diagram that part C, D are combined；
Fig. 9 is a kind of interior bottle opener of composite screwdriver for bone-cement type combination broach screw of an embodiment of the present invention
The structural schematic diagram of E；
Figure 10 is outer of a kind of composite screwdriver for bone-cement type combination broach screw of an embodiment of the present invention
The structural schematic diagram of sub- F；
Figure 11 be an embodiment of the present invention a kind of composite screwdriver for bone-cement type combination broach screw inside and outside rise
The structural schematic diagram that son combines.
Structural representation when Figure 12 is bone cement injecting systems of the present invention and the use of bone-cement type combination broach screw association
Figure.
Structural schematic diagram when composite screwdriver and bone-cement type combination broach screw association use in Figure 13 present invention.
Structural schematic diagram in Figure 14 bone-cement type combination broach screw placement bone of the present invention.
The component B of Figure 15 bone-cement type combination broach screw of the present invention is by the structural schematic diagram after taking out in bone.
The title of corresponding component represented by number in figure:
1. cavity, 2. first screw threads, 3. second screw threads, 4. bone cement disperse holes, 5. hollow prism shape structures, 6. third spiral shells
Line, 7. hemispherical hollow structures, 8. cross-shaped groove structures, 9. first hollow cylindrical structures, 10. second hollow cylindrical structures, 11.
Three graduation marks, 12. flat distal ends, 13. first cylindrical structures, 14. second cylindrical structures, 15. flat ends, 16. first cylinders
Shape handle, 17. second cylindrical stems, 18. prismatic structures, 19. third cylindrical handles, 20. the 4th cylindrical stems,
21. the crosswise structure of outer bottle opener, 22. hollow smooth cylindrical stems, 23. first graduation marks, 24. non-threaded portions, 25. second
Graduation mark, 26. hollow cylindrical structures, 27. the 4th graduation marks, 28. the 5th angle index lines, 29. locking structures.Component A with
Component B is bone-cement type combination broach screw, and component C and component D constitute bone cement injecting systems, interior bottle opener E and outer bottle opener F structure
At composite screwdriver, G is bone cement.
Specific embodiment
With reference to the accompanying drawing 1 to attached drawing 15 to bone-cement type combination broach screw of the present invention, bone cement injecting systems
And composite screwdriver is described in further detail.
As Figure 1-Figure 5, the present invention discloses a kind of bone-cement type combination broach screw, including component A and component B.
Fig. 6-Fig. 8 is that the present invention is a kind of for the bone cement injecting systems component C of bone-cement type combination broach screw, group
Part D schematic diagram, and the structural schematic diagram combined.
Fig. 9-Figure 11 is a kind of composite screwdriver for bone-cement type combination broach screw of an embodiment of the present invention
The structural schematic diagram of interior bottle opener E；The structural schematic diagram of outer bottle opener F；The structural schematic diagram that bottle opener combines inside and outside composite screwdriver.
Structural representation when Figure 12 is bone cement injecting systems of the present invention and the use of bone-cement type combination broach screw association
Figure；Structural schematic diagram when composite screwdriver and bone-cement type combination broach screw association use in Figure 13 present invention；This hair of Figure 14
Structural schematic diagram in the bright bone-cement type combination broach screw placement bone；Figure 15 bone-cement type combination broach of the present invention
The component B of screw is by the structural schematic diagram after taking out in bone.
As shown in Figure 1, component A includes the first screw thread 2 and the second screw thread 3.The inside of component A is cavity 1.First screw thread
Several bone cement disperse holes 4 for extending through thread outer surface are provided on 2 intracavity sidewall.Cavity 1 and bone cement disperse hole 4
It is connection.The tail portion of second screw thread 3 is hollow prism shape structure 5.Component B is hollow structure inside.The side of component B is arranged
There is the third screw thread 6 connecting with the second screw thread of component A 3, the other side component B is provided with hemispherical hollow structure 7.Hemispherical hollow
Structure 7 includes cross-shaped groove structure 8.The cross-shaped groove structure 8 is also possible to the other similar structure such as plum blossom trough.
In the present embodiment, bone cement disperse hole 4 be set to 2 convex screw thread of the first screw thread away from screw advance side
To side.Help to realize the pressurization and fixation to screw by less bone cement.The export direction in bone cement disperse hole 4
Perpendicular to the axis of combination broach screw, be conducive to the disperse of bone cement, slightly there are some tilt angles to also belong to equivalent structure.
One end aperture of the cavity 1 of component A is located in the central spindle of the first screw thread 2 in the second screw thread 3, the other end, is closed or passes through
Wear what screw was in communication with the outside；First screw thread 2, the second screw thread 3 and third screw thread 6 are coaxial threadeds, the screw pitch of the first screw thread 2 and
The depth of thread is greater than the second screw thread 3, third screw thread 6；Second screw thread 3 is identical as the screw pitch of third screw thread 6 and the depth of thread, and second
Screw thread 3 and third screw thread 6 are mutually matched the connection to realize component A and component B.It is arranged between first screw thread 2 and the second screw thread 3
There is hollow smooth cylindrical stem 22, hollow smooth 22 surface of cylindrical stem is provided with the first graduation mark 23；The third of component B
Non-threaded portion 24 is provided between screw thread 6 and hemispherical hollow structure 7, non-threaded 24 surface of portion is provided with the second graduation mark 25.
Bone cement disperse hole 4 and cavity 1 constitute bone cement transfer structure, and bone cement is through cavity 1, bone cement disperse hole
4 disperses may refer to attached drawing 14-15 around the first screw thread 2.Second screw thread 3 is mutually matched with third screw thread 6 to be connect, real
The connection of existing component A and component B, hollow prism shape structure 5 is arranged in 3 end of the second screw thread, with interior bottle opener end prismatic structure
18 are mutually matched, and realize interior control of the bottle opener to component A.
The outer surface of component B can be it is smooth or be provided with sandblasting, porous and hydroxyapatite coating layer and other rush
The micropore formed into Bone Ingrowth substance processing.Second screw thread 3 is mutually matched the company for realizing component A and component B with third screw thread 6
It connects；The hemispherical hollow structure 7 that the component B other end is provided with terminal horizontal includes cross-shaped groove structure 8.Bone-cement type combination broach
The hemispherical hollow structure 7 of screw one end setting, end are horizontal, relative to the setting of AO lag screw one end hemisphericals
The arcwall face of structure end, bone-cement type combination broach tip of screw incisura is low, and the space occupied is small, interferes soft tissue small.
As shown in fig. 6, component C is hollow circuit cylinder spline structure, by the first hollow cylindrical structure 9 and the second hollow cylindrical structure
10 compositions, 9 surface of the first hollow circuit cylinder spline structure are provided with third graduation mark 11, and one end is provided with flat distal end 12, the other end
It is connect with the second hollow cylindrical structure 10.
As shown in fig. 7, component D is cylinder spline structure, it is made of the first cylindrical structure 13 and the second cylindrical structure 14.
As shown in figure 9, interior bottle opener E is made of the first cylindrical handle 16 and the second cylindrical stem 17, first is cylindrical
One end of handle 16 and the connection of the second cylindrical stem 17 is provided with hollow cylindrical structure 26；First cylindrical handle, 16 surface
4th graduation mark 27 is set, and 17 end of the second cylindrical stem is prismatic structure 18, and prismatic structure 18 is hollow with component A's
Prismatic structure 5 is mutually matched, to realize interior control of the bottle opener to component A.The interior bottle opener can be it is hollow, in order to gram
Family name's needle passes through, and may not be hollow.
As shown in Figure 10, outer bottle opener F is hollow structure, by 20 structure of third cylindrical handle 19 and the 4th cylindrical stem
At 19 surface of third cylindrical handle is provided with the 5th angle index line 28, and the 4th cylindrical stem 20 is provided with locking structure
29, end is crosswise structure 21.Locking structure 29 acts on interior the second cylindrical stem of bottle opener 17, and interior bottle opener rises with outer at this time
Sub- mutually locking constitutes an entirety；The cross-shaped groove structure 8 being arranged in crosswise structure 21 and component B hemispherical dome structure is mutual
Matching, to realize control of the outer bottle opener F to component B.
Heretofore described technical solution can be adapted for a variety of fractures, particularly with the difficult situation such as osteoporosis
Under fractures there is better effect.Related device of the present invention in lower mask body combination fracture of tibial plateau operation
Use process is described in detail:
Step 1: pressing standard procedures process, disinfection paving is single and by standard procedures approach exposure fracture, resets and utilizes kirschner
Needle is fixed temporarily fracture, and the perspective confirmation reduction of the fracture is good；Turned that nail hole depth is punched and measured through Kirschner wire with electro-medical, according to
The nail hole depth measured；The bone-cement type combination broach screw for selecting appropriate length, and assembles so that the end of component B and
The first graduation mark of component A 23 is concordant.It is of course also possible to determine the initial assembly position between component A, B according to different fracture situations
It sets.
Step 2: interior the second cylindrical stem of bottle opener 17 locks locking structure 29 by outer bottle opener hollow structure, it is interior at this time
Bottle opener and outer bottle opener constitute an entirety, so that the hollow prism shape knot being arranged in prismatic structure 18 and the second screw thread of component A 3
Structure 5 is mutually matched, to realize interior control of the bottle opener to component A, ten be arranged in crosswise structure 21 and component B hemispherical dome structure
Word slot structure 8 is mutually matched, to realize control of the outer bottle opener to component B, at this point, tightening bottle opener and outer bottle opener in locking structure 29
Constitute the entirety of a locking.
Step 3: bone-cement type combination broach screw is screwed into bone by the composite screwdriver locked, until component B
High scale is concordant with bone face, the step for key be: (1) operator and meanwhile hold composite screwdriver third cylindrical handle 19,
Hollow cylindrical structure 26 and the first cylindrical handle 16 avoid individually holding third cylindrical handle 19 or the first cylinder
Handle 16, to avoid, because improper operation causes between inside and outside bottle opener, there are relative motions；(2) semicircle of component B is hollow
Structure 7 is close to bone face but contactless with bone face.
Step 4: removal composite screwdriver, component C and component D are mutually matched, composition bone cement injecting systems, and according to
The specific state of an illness extracts the bone cement of suitable dose.
Step 5: the cavity 1 by the second hollow cylindrical structure of component C 10 through component B hollow structure plug-in package A cylinder
In, bone cement is injected, bone cement is through cylindrical cavity 1,4 disperse of bone cement disperse hole in 2 surrounding cancellous bone of the first screw thread
It is interior.
Step 6: according to the state of an illness and bone cement dosage, wait bone cement injecting systems after right times from bone-cement type
It is taken out in combination broach screw, needs rotary components C for a period of time at this, prevent bone cement for component C and component A and connect into one
A entirety.
Step 7: waiting bone cement after right times to solidify completely, at this point, component A is effectively fixed on bone by bone cement
It is interior, locking structure 29 is unclamped, a hand fixes interior bottle opener E, and another hand rotates the handle of outer bottle opener F, passes through outer bottle opener
The cross-shaped groove structure 8 being arranged in crosswise structure 21 and component B hemispherical dome structure is mutually matched, rotary components B, so that component B
It is moved along screw axis to component A, and component A is remained stationary at this time.Component B constantly advances under the drive of outer bottle opener, so that
The continuous cripetura of bone-cement type combination broach screw bar portion, to pressurize between further realizing sclerite.
Step 8: according to operation needs, by identical process suitable position continue to be screwed into this device and other
Inside-fixture, until reaching expected therapeutic effect.
Step 9: the perspective confirmation reduction of the fracture and interior fixed position are good again, after rinsing the surface of a wound and definitely stopping blooding successively
It is seamed to skin.
According to the different state of an illness, the relative dimensions in operation can be adjusted constantly.
In rehabilitation course, according to the different state of an illness, when tip of screw soft tissue annoyance level is serious, need to take out screw with
When eliminating soft tissue interference, in operation related device of the present invention use process is as follows:
Step 1: pressing standard procedures process, disinfection paving is single and by standard procedures approach exposure bone-cement type combination broach spiral shell
Follow closely tail portion.
Step 2: mutual by outer bottle opener crosswise structure 21 and the cross-shaped groove structure 8 of setting in component B hemispherical dome structure
Matching, rotates and takes out component B, and soft tissue interference problem is not present in bones in component A indwelling at this time.Or use it
His bottle opener is good.
Step 3: taking out the portion other bone-cement types combination broach screw assembly B by identical process according to operation needs
Point.
Step 4: rinsing the surface of a wound and being successively seamed to skin after definitely stopping blooding.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferable
Embodiment describes the invention in detail, those skilled in the art should understand that, it can be to technology of the invention
Scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered in this hair
In bright scope of the claims.
Claims (7)
1. a kind of bone-cement type combination broach screw, it is characterised in that: include: the bone-cement type combination broach screw include group
Part A and component B；The component A includes the first screw thread (2) and the second screw thread (3), and the inside of the component A is cavity (1),
Several bone cement disperse holes (4) for extending through thread outer surface are provided on the intracavity sidewall of first screw thread (2), it is described
Cavity (1) is connected to bone cement disperse hole (4), and the tail portion of second screw thread (3) is hollow prism shape structure
(5)；The component B is hollow structure inside, and the side of the component B is provided with the connect with the second screw thread (3) of component A
Three screw threads (6), the other side the component B are provided with hemispherical hollow structure (7), and hemispherical hollow structure (7) end is set
Be equipped with cross-shaped groove structure (8), bone cement disperse hole (4) be set to the first screw thread (2) convex screw thread before the screw
Into the side in direction, hollow smooth cylindrical stem (22), institute are provided between first screw thread (2) and the second screw thread (3)
It states hollow smooth cylindrical stem (22) surface and is provided with the first graduation mark (23)；The third screw thread (6) and hemisphere of the component B
It is provided between shape hollow structure (7) non-threaded portion (24), non-threaded portion (24) surface is provided with the second graduation mark (25).
2. bone-cement type combination broach screw according to claim 1, it is characterised in that: bone cement disperse hole (4)
Export direction perpendicular to the combination broach screw axis.
3. bone-cement type combination broach screw according to claim 1, it is characterised in that: the cavity (1) of the component A
One end aperture is located in the central spindle of the first screw thread (2) in the second screw thread (3), the other end, is closed or through screw and outside
Boundary's connection；First screw thread (2), the second screw thread (3) and third screw thread (6) are coaxial threaded, the screw pitch of the first screw thread (2)
And the depth of thread is greater than the second screw thread (3), third screw thread (6)；The screw pitch and screw thread of second screw thread (3) and third screw thread (6) are deep
Spend identical, the second screw thread (3) and third screw thread (6) are mutually matched the connection to realize component A and component B.
4. bone-cement type combination broach screw according to claim 1, it is characterised in that: in the hemispherical of the component B
The end of hollow structure (7) is flat.
5. a kind of composite screwdriver for bone-cement type combination broach screw described in claim 1, it is characterised in that: including interior
Sub- E and outer bottle opener F；The interior bottle opener E includes the first cylindrical handle (16) and the second cylindrical stem (17), second circle
Cylindricality bar portion (17) end is prismatic structure (18), the prismatic structure (18) of the interior bottle opener and second spiral shell of component A
The hollow prism shape structure (5) being arranged in line (3) is mutually matched；The outer bottle opener F is hollow structure, including third cylinder hand
Handle (19) and the 4th cylindrical stem (20), the 4th cylindrical stem (20) end are crosswise structure (21), described outer
Mutual of cross-shaped groove structure (8) being arranged in the crosswise structure (21) of bottle opener and the component B hemispherical hollow structure (7)
Match；The overall diameter of the second cylindrical stem (17) of the interior bottle opener E is interior less than or equal to the hollow structure of the outer bottle opener F
The second cylindrical stem (17) of diameter, the interior bottle opener cylinder E realizes interior bottle opener across the hollow structure of the outer bottle opener F
E and outer bottle opener F combination；The length of interior second cylindrical stem of bottle opener E (17) is greater than the cylindrical stem of the outer bottle opener F
(20) length；Locking structure (29) are provided between the interior bottle opener E and outer bottle opener F of the composite screwdriver.
6. the composite screwdriver according to claim 5 for bone-cement type combination broach screw, it is characterised in that: in described
One end of the first cylindrical handle (16) and the second cylindrical stem (17) connection of bottle opener E is provided with hollow cylindrical structure
(26), when interior bottle opener E and outer bottle opener F is combined, the third cylindrical handle (19) of the outer bottle opener F is partially located at interior bottle opener E
Hollow cylindrical structure (26) in, the third cylindrical handle (19), hollow cylindrical structure (26) and first cylinder
The handle of handle (16) composition composite screwdriver.
7. the composite screwdriver according to claim 5 for bone-cement type combination broach screw, it is characterised in that: in described
Angled 4th graduation mark (27) is arranged in the first cylindrical handle (16) surface of bottle opener E, and the third of the outer bottle opener F is cylindrical
Handle (19) surface is provided with the 5th angle index line (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158526.1A CN105662570B (en) | 2016-03-18 | 2016-03-18 | Bone-cement type combination broach screw, bone cement injecting systems and composite screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158526.1A CN105662570B (en) | 2016-03-18 | 2016-03-18 | Bone-cement type combination broach screw, bone cement injecting systems and composite screwdriver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105662570A CN105662570A (en) | 2016-06-15 |
| CN105662570B true CN105662570B (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610158526.1A Expired - Fee Related CN105662570B (en) | 2016-03-18 | 2016-03-18 | Bone-cement type combination broach screw, bone cement injecting systems and composite screwdriver |
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| CN (1) | CN105662570B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680486A (en) * | 2019-09-11 | 2020-01-14 | 杨惠林 | Combined pressurizing locking screw and matched screwdriver |
| CN110680485A (en) * | 2019-09-11 | 2020-01-14 | 杨惠林 | Locking combined compression screw |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2269526B1 (en) * | 2009-07-01 | 2012-12-19 | Biedermann Technologies GmbH & Co. KG | Instruments for use with a bone anchor with plug member |
| CN202113152U (en) * | 2011-04-28 | 2012-01-18 | 杨惠林 | Universal pourable pedicle screw |
| CN202218916U (en) * | 2011-08-19 | 2012-05-16 | 任广军 | Percutaneous vertebral plastic bone cement filling device |
| CN102319103B (en) * | 2011-09-15 | 2013-11-20 | 徐达强 | Pressurized locking combined screw system and special composite screwdriver |
| CN102406516B (en) * | 2011-09-15 | 2013-06-12 | 徐达强 | Pressurized combination screw capable of quantizing torsion and composite screwdriver thereof |
| CN103845110B (en) * | 2014-03-19 | 2015-12-02 | 中国人民解放军第四军医大学 | A kind of Multifunctional bone screw not good for sclerotin condition |
| CN205924151U (en) * | 2016-03-18 | 2017-02-08 | 徐达强 | Bone cement mould combination lag screw and compound bottle opener |
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2016
- 2016-03-18 CN CN201610158526.1A patent/CN105662570B/en not_active Expired - Fee Related
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| CN105662570A (en) | 2016-06-15 |
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