CN109044515A - A kind of repair of fractured bones system - Google Patents
A kind of repair of fractured bones system Download PDFInfo
- Publication number
- CN109044515A CN109044515A CN201810845690.9A CN201810845690A CN109044515A CN 109044515 A CN109044515 A CN 109044515A CN 201810845690 A CN201810845690 A CN 201810845690A CN 109044515 A CN109044515 A CN 109044515A
- Authority
- CN
- China
- Prior art keywords
- bone cement
- screw
- bone
- repair
- fractured bones
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 151
- 230000008439 repair process Effects 0.000 title claims abstract description 78
- 239000002639 bone cement Substances 0.000 claims abstract description 212
- 238000009792 diffusion process Methods 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 49
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000006641 stabilisation Effects 0.000 claims description 7
- 238000011105 stabilization Methods 0.000 claims description 7
- 241000585116 Galba truncatula Species 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 2
- 238000003892 spreading Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 206010017076 Fracture Diseases 0.000 description 53
- 208000010392 Bone Fractures Diseases 0.000 description 52
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000003416 augmentation Effects 0.000 description 8
- 210000000689 upper leg Anatomy 0.000 description 6
- 239000002872 contrast media Substances 0.000 description 5
- 210000002758 humerus Anatomy 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 210000002303 tibia Anatomy 0.000 description 2
- 208000001164 Osteoporotic Fractures Diseases 0.000 description 1
- 208000002103 Shoulder Fractures Diseases 0.000 description 1
- 206010066901 Treatment failure Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 208000020089 femoral neck fracture Diseases 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001009 osteoporotic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- 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
- 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
- A61B17/864—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
- A61B17/88—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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of repair of fractured bones systems, including fracture board, bone cement screw, expansion instrument and bone cement injector, fracture board has the protrusion sleeve of interior connection bone cement screw, bone cement screw includes rivet nut, centre bore is equipped with axially through rivet nut inside, it is equipped with bone cement diffusion hole in one end of rivet nut, passes through expansion instrument or bone cement injector in centre bore；Bone cement diffusion hole is connected with centre bore；The front end for expanding instrument is equipped with telescopic rod/elastic component, and the front end for expanding instrument passes through centre bore and gos deep into cancellous bone inside and one cavity of bulging；Bone cement injector includes injecting handle and bone cement delivery pipe, bone cement delivery pipe penetrating into center hole, injects in handle band trend centre bore and injects bone cement.A kind of repair of fractured bones system provided by the invention provides sufficient space to inject bone cement, reduces the pressure for injecting bone cement to the inside of cancellous bone, reduce the risk of repair of fractured bones.
Description
Technical field
The present invention relates to fractures technical field, in particular to a kind of repair of fractured bones system.
Background technique
This technology is mainly fracture of neck of femur, the femoral trochanter for being applied to osteoporotic limbs fracture, especially hip
Between fracture；Proximal humeral fracture；Fracture of tibial plateau.The common feature of these fracture is the metaphysis positioned at long bone, cancellous bone
It is abundant, it is influenced by osteoporosis also big, is the position for being easiest to occur osteoporotic fracture.Treatment method is mainly logical
Operation is crossed, carries out fracture fixation using internal fixation system, to reach reset and stable fracture, early stage carries out the mesh of functional training
's.Due to the presence of osteoporosis, bone amount is reduced, and Microstructure Fracture causes cancellous bone sparse, and cortical bone is poor, fracture
Fixation is not often sufficiently tight, and screw loosening cuts out, exits, and fixation failure is commonplace, ultimately causes operative treatment
Failure.
In recent years, the screw for having doctor's Cement to reinforce is fixed, and after the completion of method is interior fixation, passes through bone water
The syringe of mud snail nail connection pumps the target for reaching to intraosseous injection bone cement and reinforcing fixation, at present mainly with femoral head
Based on reinforcement with humerus head.But the method for this direct injection bone cement has the shortcomings that obvious, essentially consists in:
1. needing to enter bone cement " pushing away " with very big pressure, often injection volume very little, reaches due to having no cavity in bone
Less than the effect for reinforcing fixation；
The risk of bone cement leakage is also increased 2. injecting by force, especially in the metaphysis where these fracture, if seeped
The bone cement of leakage enters articular cavity, is bound to cause influence to joint motion, it is also necessary to operation cleaning.So this directly push away by force
Note bone cement combine interior fixation method have the shortcomings that it is obvious, using also not extensively.
3. for too small with bone cement screw cooperation through-hole on fracture board, and not having good stabilization to bone cement screw
Effect.
Summary of the invention
The purpose of the present invention is to provide a kind of repair of fractured bones systems, to overcome the deficiencies in the prior art described above.
To achieve the goals above, the invention provides the following technical scheme:
A kind of repair of fractured bones system, it is improved in that the system includes fracture board, bone cement screw, expansion instrument
And bone cement injector, wherein
The fracture board has prominent sleeve, the connection bone cement screw in the prominent sleeve, to keep described
The stabilization of bone cement screw；
The bone cement screw includes rivet nut, axially through centre bore is equipped with inside the rivet nut, in the rivet nut
One end is equipped with bone cement diffusion hole, passes through the expansion instrument or the bone cement injector in the centre bore；The bone water
Mud diffusion hole is connected with the centre bore, for spreading bone cement；
The front end of the expansion instrument is equipped with telescopic rod or elastic component, and the front end of the expansion instrument passes through the centre bore
And go deep into inside cancellous bone, the rear end of the expansion instrument is strutted for controlling the front end by bulging one inside the cancellous bone
A cavity；
The bone cement injector includes injecting handle and bone cement delivery pipe, the bone cement delivery pipe and the handle
It is detachably connected, the bone cement delivery pipe drives the bone cement for penetrating the centre bore, the handle motion of injecting
Bone cement flows in delivery pipe, and the bone cement is injected into the centre bore, and the bone cement is expanded by the bone cement
Hole is dissipated to enter in the cavity.
Preferably, in above-mentioned repair of fractured bones system, the prominent sleeve lining is equipped with screw thread, the bone cement screw
It uses and is threadedly coupled between the prominent sleeve.
Preferably, in above-mentioned repair of fractured bones system, one end of the rivet nut is cutting end, and the cutting end drives institute
Bone cement screw is stated to squeeze into human body bone；The other end of the rivet nut be connecting pin, the connecting pin be equipped with external screw thread with it is described
Prominent sleeve connection；
The central axis of the centre bore is overlapped with the central axis of the rivet nut；The bone cement diffusion hole be it is multiple simultaneously
It is distributed on the cutting end and is arranged around the central axis of the rivet nut.
Preferably, in above-mentioned repair of fractured bones system, on the connecting pin, in the centre bore be equipped with counterbore, institute
State counterbore mutually block with outer chucking device and, for keeping the rivet nut to stablize.
Preferably, in above-mentioned repair of fractured bones system, on the connecting pin, in the centre bore be equipped with internal screw thread,
The internal screw thread is connect with outer chucking device, for keeping the rivet nut to stablize.
Preferably, in above-mentioned repair of fractured bones system, the prominent sleeve of the fracture board is inserted into the human body bone
Interior, the bone cement screw is inserted into the prominent sleeve under the outer chucking device effect and is further inserted into the cancellous bone
Interior, reserved section is arranged in the bone cement screw outside the prominent sleeve；
The front end of the expansion instrument is inserted into along the centre bore of the bone cement screw into the cancellous bone；
It places the cutting end that the bone cement screw is stretched out in the front end；The front end struts or receives under the control of the rear end
Contracting, the front end strut after in the cancellous bone cavity described in bulging；
The bone cement screw squeezes into the reserved section in the prominent sleeve under the outer chucking device effect, institute
The bone cement diffusion hole stated on cutting end is set in the cavity；
The bone cement injector extends along the centre bore, and the bone cement delivery pipe of the bone cement injector is inserted
The depth for entering the cancellous bone is identical as the depth of the bone cement diffusion hole.
Preferably, in above-mentioned repair of fractured bones system, the reserved segment length is equal to the cavity length, described reserved
The length of section is not more than the 1/2 of the rivet nut length.
Preferably, in above-mentioned repair of fractured bones system, the fracture board includes steel plate ontology, the steel plate ontology be with
The compatible arc of the human body bone shape；The thickness range of the steel plate ontology is between 4.0mm~4.5mm；The steel plate
The width range of ontology is between 12.5mm~13.5mm；Multiple fixation holes, the fixation hole are equipped in the steel plate ontology
Interior insertion screw is used to the steel plate ontology being fixed on the human body bone.
Preferably, in above-mentioned repair of fractured bones system, the prominent sleeve is set on the one side of the steel plate ontology
Protrude outward and extend 5mm-50mm, the diameter 14mm of the outer wall of the prominent sleeve；The section of the prominent sleeve is annulus
Shape, the circular ring shape with a thickness of 1.5mm-5.5mm；Angle model of the prominent sleeve between the one side of the steel plate ontology
It encloses between 90 ° -135 °.
Preferably, in above-mentioned repair of fractured bones system, the cutting end is the screw cutting of shape of threads, the cutting spiral shell
Line is equipped with screw thread sword, is equipped with self tapping slot in the front end of the screw thread sword.
Preferably, in above-mentioned repair of fractured bones system, the cutting end is spiral helicine cutting spiral, the cutting spiral shell
It screws on and is equipped with helical edges.
Preferably, in above-mentioned repair of fractured bones system, the cutting end be shape of threads first end of thread, described first
The end of thread is equipped with screw thread sword；
The connecting pin is second end of thread of shape of threads, second end of thread and the prominent sleeve connection；
The screw pitch a of first end of thread is greater than the screw pitch b of second end of thread；
The ratio between the screw pitch a and the screw pitch b are 7:5.
Preferably, in above-mentioned repair of fractured bones system, the lateral surface of the rivet nut is periphery, edge on the periphery
The central axis is equipped with anti-rotation plane；The diameter range of the periphery is between 8.5mm -12.5mm；The rivet nut is along it
Central axial direction length is between 20mm -120mm；The section of the centre bore is circle, and the circular diameter range exists
Between 2.6mm-4.5mm.
Preferably, in above-mentioned repair of fractured bones system, the quantity of the bone cement diffusion hole is 4-12, the bone water
Mud diffusion hole is circular hole, and the diameter of the circular hole is 1mm-3mm；
The distance being circumferentially arranged between each bone cement diffusion hole along the cutting end is between 2.97mm -3mm；
The distance being axially arranged between each bone cement diffusion hole along the cutting end is between 5mm -6mm.
Preferably, in above-mentioned repair of fractured bones system, the fracture board includes slide opening and through-hole, wherein the cunning
Hole is set to the lower end of the through-hole, to be multiple, are inserted into for screw and the fracture board is fixed on the human body bone；
The through-hole is set in the prominent sleeve, and the bone cement screw is passed through in the through-hole.
Compared with prior art, the invention has the following beneficial effects:
1. a kind of repair of fractured bones system provided by the invention, including bone cement screw 2 and expansion instrument 3, and bone water
Mud snail nail 2 can be used in combination with expansion instrument 3, and sufficient space is provided for bone cement 6, reduces and pushes away inside phase cancellous bone
The pressure for infusing bone cement 6, reduces the risk of repair of fractured bones.
2. a kind of repair of fractured bones system provided by the invention comprising bone cement screw 2 have larger-diameter center
Hole 24 is to guarantee that expansion instrument 3 can smoothly enter into centre bore 24.
3. a kind of repair of fractured bones system provided by the invention comprising bone cement screw 2 connecting pin without special
Connection screw thread design, i.e., the counterbore 26 that also can be used alone are connect with outer abduction equipment, keep its structure simpler, are operated more square
Just.
4. a kind of repair of fractured bones system provided by the invention comprising bone cement screw 2 compared to existing bone cement
Screw, bone cement diffusion hole 25 thereon increase, and aperture becomes smaller, and are more suitable for injecting bone cement 6.
5. a kind of repair of fractured bones system provided by the invention comprising fracture board 1 compared to existing fracture board, have
Sleeve 12 is protruded, is additionally provided with the through-hole 13 being relatively large in diameter inside the protrusion sleeve 12, which can pass through bone cement screw
2, inside be additionally provided with screw thread, connect for the external screw thread 22 with the connecting pin of bone cement screw 2, for guaranteeing bone cement screw
2 must be stable.
6. a kind of repair of fractured bones system provided by the invention comprising the setting of protrusion sleeve 12 that has of fracture board 1
There are many angles, i.e., the angular range between prominent sleeve 12 and the one side of steel plate ontology 11 is between 90 ° -135 °, big model
The angle setting enclosed ensure that the popularity that fracture board 1 is applied.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.Wherein:
Fig. 1 is the structural schematic diagram of repair of fractured bones system of the invention.
Fig. 2 is the structural schematic diagram of repair of fractured bones system of the invention.
Fig. 3 is the structural schematic diagram of repair of fractured bones system of the invention.
Fig. 4 is the main view of the fracture board of repair of fractured bones system of the invention.
Fig. 5 is the side view of the fracture board of repair of fractured bones system of the invention.
Fig. 6 is a kind of structural schematic diagram of bone cement screw of repair of fractured bones system of the invention.
Fig. 7 is the structural schematic diagram of another bone cement screw of repair of fractured bones system of the invention.
Fig. 8 is the structural schematic diagram of another bone cement screw of repair of fractured bones system of the invention.
Fig. 9 is the structural schematic diagram of another bone cement screw of repair of fractured bones system of the invention.
Description of symbols:
1- fracture board；11- steel plate ontology；12- protrudes sleeve；13- through-hole；14- fixation hole；15- slide opening；2- bone cement spiral shell
Nail；21- rivet nut；22- external screw thread；23- internal screw thread；24- centre bore；25- bone cement diffusion hole；26- counterbore；27- screw cutting
(screw thread sword)；The first screw thread of 28-；The second screw thread of 29-；210- cuts spiral；The anti-rotation plane of 211-；3- expands instrument；31- ball
Capsule；4- bone cement injector；5- cavity；6- bone cement.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.The explanation of each example through the invention
Mode, which provides, to be not intended to limit the present invention.In fact, those skilled in the art will be clear that, the scope of the present invention or essence are not being departed from
In the case where mind, it can modify in the present invention and modification.For example, being illustrated or described as the spy of a part of one embodiment
Sign can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to which the present invention includes to be included into appended power
Such modifications and variations in the range of benefit requirement and its equivalent.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the present invention rather than require the present invention that must be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.Term used in the present invention " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected,
It may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, for the common of this field
For technical staff, the concrete meaning of above-mentioned term can be understood as the case may be.
It as shown in Figure 1-Figure 3, is a kind of repair of fractured bones system provided by the invention.Wherein, Fig. 1 is repair of fractured bones system
Structural schematic diagram, Fig. 1 shows the expansion instruments 3 for being repair of fractured bones system, and cavity 5 is overhanged inside cancellous bone.What Fig. 2 was indicated
For repair of fractured bones system expansion instrument 3 withdraw from bone cement screw 2 after, bone cement screw 2 outer chucking device effect under, into one
Step is squeezed into cavity 5.Fig. 3 expression is that the bone cement injector 4 of repair of fractured bones system injects bone water into the cavity 5 of cancellous bone
Mud 6.
Specifically, the present invention provides a kind of repair of fractured bones system, which includes fracture board 1, bone cement screw 2, expands
Prop tool 3 and bone cement injector 4.Wherein, fracture board 1 has prominent sleeve 12, can connect bone water in prominent sleeve 12
Mud snail nail 2, to keep the stabilization of bone cement screw 2.
It as shown in fig. 4-5, is the structural schematic diagram of the fracture board 1 of repair of fractured bones system provided by the invention.Wherein, scheme
4 be the main view of fracture board 1；Fig. 5 is the side view of fracture board 1.Specifically, fracture board 1 includes steel plate ontology 11 and prominent set
Cylinder 12.Steel plate ontology 11 is arc panel, which is adapted that (specific arc shape is according to actually answering with the curve shape of human body bone
It is selected with the shape of middle fractured bones, the present embodiment is not especially limited this).Prominent sleeve 12 is set to the side of steel plate ontology 11
(one side that steel plate ontology 11 is bonded with human body bone photo) protrudes outward and extends on face, extended distance range be 5mm-50mm it
Between, determines according to actual conditions, the present invention is not especially limited this to the specific need specifically extended.The outer wall of prominent sleeve 12 is straight
Diameter is preferably 14mm；The section of prominent sleeve 12 is preferably circular ring shape, the circular ring shape with a thickness of 1.5mm-5.5mm；Prominent set
Angular range between cylinder 12 and the one side of steel plate ontology 11 is between 90 ° -135 °.The thickness range of steel plate ontology 11 exists
Between 4.0mm~4.5mm；The width range of steel plate ontology 11 is between 12.5mm~13.5mm；It is equipped in steel plate ontology 11
Multiple fixation holes 14, the interior insertion screw of fixation hole 14 are used to steel plate ontology 11 being fixed on human body bone.The quantity of fixation hole 14
To be multiple, the quantity of specific fixation hole 14 need to select according to the actual situation, and the present invention is not especially limited this.
Further, fracture board 1 includes slide opening 15 and through-hole 13, wherein slide opening 15 is set to the lower end of through-hole 13, is used for
Screw is inserted into and fracture board 1 is fixed on human body bone；Slide opening 15 and the difference of above-mentioned fixation hole 14 be, 14 edge of fixation hole
The surrounding of through-hole 13 is arranged, and the cross sectional shape of fixation hole 14 can be circle, can be ellipse, or round or ellipse
It is round.Slide opening 15 is set to the lower end of through-hole 13, and the central axis of general slide opening 15 and the central axis of through-hole 13 are same vertical
On line, and the cross sectional shape of slide opening 15 can be circle, can be ellipse, or round or ellipse.Slide opening 15
Quantity be it is multiple, in the present embodiment preferably, the quantity of slide opening 15 is 4.The quantity of specific slide opening 15 is also in other embodiments
It need to select according to the actual situation, the present invention is not especially limited this.
Further, through-hole 13 is set in prominent sleeve 12, and bone cement screw 2, i.e. through-hole 13 can be passed through in through-hole 13
Diameter is equal with the overall diameter of bone cement screw 2 or overall diameter slightly larger than cement screw 2.In being provided with spiral shell in through-hole 13
Line, the screw thread are further ensured that bone cement for matching with the external screw thread 22 on the 21 excircle top of rivet nut of bone cement screw 2
Screw 2 is stablized in prominent sleeve 12.
In practical application, medical staff needs to drill out aperture using hand drill on the bone of human fracture, then will be with bone
The compatible fracture board 1 of folding bone shape fits with fractured bones, at this time the arc curve and human body of the steel plate ontology 11 of fracture board 1
The arc curve of bone is adapted, and the outer wall shape of prominent sleeve 12 is adapted with hole shape of the hand drill on human body bone.It is preferred that
The outer wall on ground, prominent sleeve 12 is smooth, and in order to be inserted into aperture, prominent 12 inner wall of sleeve passes through screw thread and bone cement screw 2
Connection.
It is the structural schematic diagram of the bone cement screw 2 of repair of fractured bones system provided by the invention as shown in Fig. 6-Fig. 9.It should
Bone cement screw 2 can be closed with expansion instrument knot 3 and be used.Wherein, it is illustrated in figure 6 a kind of repair of fractured bones system provided by the invention
In, the structural schematic diagram of the bone cement screw 2 suitable for humerus and femur etc..Fig. 7 show a kind of fracture provided by the invention
In repair system, the structural schematic diagram of the bone cement screw 2 suitable for shin bone.Fig. 8 show a kind of fracture provided by the invention
In repair system, bone cement screw 2, the also referred to as structural schematic diagram of hollow nail.Fig. 9 show a kind of fracture provided by the invention and repairs
Structural schematic diagram in complex system, suitable for the bone cement screw being used in combination with expansion instrument on femur inside-fixture.
In a kind of repair of fractured bones system provided by the invention, bone cement screw 2 can be used in combination with expansion instrument 3, the bone
Cement screw 2 includes rivet nut 21, centre bore 24 and bone cement diffusion hole 25, wherein one end of rivet nut 21 is cutting end, cutting
It holds the front end as screw that can directly contact with fractured bones and screw is driven to squeeze into inside bone；The other end of rivet nut 21 is connection
The periphery at end, connecting pin has external screw thread 22, and external screw thread 22 can be used to and the threaded connection inside above-mentioned protrusion sleeve 12；In
On the connecting pin of rivet nut 21, counterbore 26 is equipped in centre bore 24.In in the lower end of counterbore 26, centre bore 26 be equipped with internal screw thread 23,
Internal screw thread 23 can be connect with outer chucking device, such as can be connect with handle, for holding the stabilization of rivet nut 21.Centre bore 24
It is interior to be passed through for bone cement injector 4 or expansion instrument 3.
Further, above-mentioned bone cement screw 2 can have above-mentioned internal screw thread 23, can also only pass through counterbore 26
The stability of connection is connect and guaranteed with required outer chucking device.
Centre bore 24 is set to the inside of rivet nut 1 and runs through rivet nut 21, the central axis of centre bore 24 and the center of rivet nut 21
Axis is overlapped.The section of centre bore 24 can be circle, and between 2.6mm-4.5mm, specific size needs circular diameter range
It specifically to be adjusted in conjunction with practical application, the present invention is not especially limited this.
Bone cement diffusion hole 25 is to communicate on cutting ends that are multiple and being distributed in rivet nut 21 and with centre bore 24.
The quantity of bone cement diffusion hole 25 can be 4-12, and specific number needs that practical application is combined specifically to adjust, this
Invention is not especially limited this.
Bone cement diffusion hole 25 can be circular hole, and the diameter of circular hole can be 1mm-3mm, and specific size needs to combine practical
Using specific adjustment, the present invention is not especially limited this.
Bone cement diffusion hole 25 is arranged along the cutting end of rivet nut 1 around the central axis of rivet nut 1.It is specifically as follows, it is each
Between bone cement diffusion hole 25 along the cutting end of rivet nut 1 circumferential direction (along the lateral surface of rivet nut 21) be arranged distance can be
Between 2.97mm-3mm, the axial direction between each bone cement diffusion hole 25 along the cutting end of rivet nut 21 is (along the central axis of rivet nut 1
Direction) setting distance can be between 5mm-6mm.
Specifically, the cutting end of rivet nut 21 is the screw cutting 27 of shape of threads, and screw cutting 27 is equipped with screw thread sword, in spiral shell
The front end of line sword is equipped with self tapping slot.
As Figure 6-Figure 7, the cutting end of rivet nut 21 is the screw cutting 27 of shape of threads, and screw cutting 27 is equipped with screw thread
Sword is equipped with self tapping slot in the front end of screw thread sword.Around the connecting pin of rivet nut 21 have external screw thread 22, external screw thread 22 can be used to
Screw thread inside the protrusion sleeve 12 of above-mentioned fracture board 1 is in mating connection, to keep the stabilization of rivet nut 21；In the company of rivet nut 21
It connects to hold and is equipped with counterbore 26 in upper, centre bore 24.In being equipped with internal screw thread 23 in the lower end of counterbore 26, centre bore 26, internal screw thread 23 can
To be connect with outer chucking device, to guarantee the stability of connection.
Further, the front end of the expansion instrument 3 of repair of fractured bones system provided by the invention is equipped with telescopic rod or elastic component,
Such as can be telescopic sacculus, the overall diameter of expansion instrument 3 is slightly less than the interior diameter of the centre bore 24 of bone cement screw 2.
The front end of expansion instrument 3 passes through centre bore 24 and gos deep into inside cancellous bone, and the rear end of expansion instrument 3 has operable push rod,
The push rod is strutted for controlling front end by one cavity of bulging inside the cancellous bone.
Further, the bone cement injector 4 of repair of fractured bones system provided by the invention includes injecting handle and bone cement
Delivery pipe, bone cement delivery pipe are removably connect with handle.Bone cement delivery pipe is used for inside penetrating into center hole 24, diameter
It is slightly less than the interior diameter of centre bore 24；Injecting handle can be the screw rod with spiral, can band while injecting handle motion
Bone cement flowing, i.e., flow out, and push away into centre bore 24 out of bone cement delivery pipe in the dynamic bone cement delivery pipe being attached thereto
Bone cement 6 is infused, bone cement 6 is entered by bone cement diffusion hole 25 in the cavity 5 of cancellous bone.
In practical applications, the repair of fractured bones that bone cement screw 2 as shown in FIG. 6 can be used for humerus or femur etc. is fixed.
Specifically, the cutting end of rivet nut 21 needs fixed position to contact as front end and humerus or femur when using；The connection of rivet nut 21
The internal screw thread 23 at end is connect with outer chucking device, and band moving nail body 21 rotates under the action of outer chucking device, at this time rivet nut 21
Cutting end can screw in the fixed position that needs of humerus or femur, and enter in bone with moving nail body 21, rivet nut 21 is squeezed into bone by first choice
It is interior, be about 20mm into depth, by the hole of centre bore 24 insertion expansion instrument 3, expansion instrument 3 for example can for sacculus or
Other expanse systems.By sacculus or other augmentation systems, after centre bore 24, it is to balloon-expandable or other expansions
Contrast agent (whole process is completed under perspective environment) is injected in system, sacculus or other augmentation systems, in the effect of contrast agent
Under expanded in femoral head humerus head or tibial plateau, the reset of the reduction of the fracture, especially articular surface is assisted, and sparse
A cavity out and under fluoroscopy confirmation completion are expanded in cancellous bone.Then the radiography in sacculus or other augmentation systems is extracted out
Agent, sacculus or other augmentation systems withdraw from sacculus or other augmentation systems, then rivet nut 21 are driven into predetermined depth after contraction.
It modulates bone cement and (modulates the dosage of bone cement 6, the bone cement modulated in advance according to the actual conditions at degree of fracture and position
6 are pushed into storage in bone cement delivery pipe by the equipment such as syringe in vitro), after slid into injecting handle for bone cement,
And position is maintained until bone cement 6 firmly admittedly, that is, is withdrawn from after forming the internal fixation system of the reinforcement of bone cement 6.
Compared with prior art, present invention uses balloon-expandable or other augmentation systems, solid to needing to reinforce first
Fixed fracture site is expanded, and the reset of fracture is on the one hand conducive to, on the other hand also can be with for final fixed be made
The bone internal cavity of low pressure push-in bone cement.First the rivet nut of bone cement screw 21 is not got into appropriate depth when operation, but stayed
It stops after throwing a greater part of rivet nut 21 after the length of good balloon-expandable or other augmentation systems into, the rivet nut through this bone cement screw
21 reeve hand drills to appropriate depth (depth specifically determines according to required human body bony site to be treated, the present embodiment to this not
Limit) backed off after random hand drill, then fracture site is expanded with balloon-expandable or other augmentation systems, form bone internal cavity
While, also have the function that assist the reduction of the fracture.
The repair of fractured bones that a kind of bone cement screw 2 as shown in Figure 7 can be used for shin bone is fixed.Its specific structure and specific
Application method is consistent with a kind of bone cement screw being used in combination with expansion instrument shown in above-mentioned Fig. 6, does not do herein superfluous
It states.The axial dimension (along the length of the central axis of centre bore 24) of bone cement screw shown in Fig. 7 is greater than unlike unique
The axial dimension of bone cement screw 2 shown in Fig. 6.
A kind of bone cement screw 2 as shown in Figure 8 namely hollow nail.Bone cement in its structure and above-mentioned Fig. 6-Fig. 7
2 other structures of screw are consistent, the difference is that the cutting end of rivet nut 21 is first end of thread 28 of shape of threads, first end of thread
28 are equipped with screw thread sword, and first end of thread 28 needs fixed position to contact as front end and fractured bones；The connecting pin of rivet nut 21 is
Second end of thread 29 of shape of threads, second end of thread 29 can be used for being connected with the screw thread in the protrusion sleeve 12 of above-mentioned fracture board 1
It connects.And the screw pitch a of first end of thread 28 of the hollow nail is greater than the screw pitch b of second end of thread 29；Screw pitch a is greater than second end of thread
29 screw pitch b when in use, rotates equal angular, and first end of thread 28 is greater than entering deeply for second end of thread 29 into depth
Degree can play the fixed function that further furthers to fractured bones.Preferably, the ratio between screw pitch a and screw pitch b be 5:7, screw pitch a and
The specific size of screw pitch b can also combine practical application specifically to adjust as needed, and the present invention is not especially limited this.In reality
In, specifically used method is consistent with the application method of bone cement screw described in above-mentioned two sections, and this will not be repeated here.
A kind of bone cement screw 2 as shown in Figure 9 is suitable on femur inside-fixture.Its structure and above-mentioned Fig. 6-Fig. 7
In 2 other structures of bone cement screw it is consistent, the difference is that the cutting end of rivet nut 21 be spiral helicine cutting spiral 210,
It cuts spiral 210 and is equipped with helical edges, cutting spiral 210 is contacted as front end with fractured bones, is distributed in cutting spiral 210
Multiple bone cement diffusion holes 25 are used for bone cement diffusion.Excircle in the connecting pin of rivet nut 21 is equipped with anti-rotation plane
211, stablize when for guaranteeing that rivet nut 21 is connect with for example prominent sleeve 12, without being rotated along center axis thereof.
In practical applications, specifically used method is consistent with the application method of above-mentioned bone cement screw, does not do herein
It repeats.
Preferably, self tapping slot is 23 sword self tapping slots.
Preferably, the lateral surface of rivet nut 21 is periphery, and it is flat along the central axis of centre bore 24 to be equipped with anti-rotation on periphery
Face；The diameter range of periphery is between 8.5mm -12.5mm, preferably 12.5mm.
Preferably, rivet nut 21 is along center axis thereof direction length between 20mm -120mm.
Below with reference to practical application, a kind of repair of fractured bones system provided by the invention is described further.
In practical applications, as shown in Figure 1-Figure 3, such as patients with fractures, medical staff first can be according to specific position of fracturing
It sets, selects corresponding fracture board 1 and bone cement screw 2.Medical staff can hold hand drill and drill out aperture in fractured bones, at this time will fracture
The protrusion sleeve 12 of plate 1 is inserted into aperture.It is connect using outer chucking device, such as handle with the internal screw thread 23 of bone cement screw 2
Afterwards, medical staff holds handle and bone cement screw 2 is passed through the prominent insertion of sleeve 12 or is screwed in human body bone, until bone cement spiral shell
There are about 1/2 length to enter in human body bone for nail 2, i.e., reserved section is arranged in the external of prominent sleeve 12.
And then, the insertion of centre bore 24 by the front end (for sacculus) for expanding instrument 3 along bone cement screw 2 (is expanded at this time
The front end of instrument 3 is contraction state), until the cutting end of bone cement screw 2 is stretched out in the front end of expansion instrument 3 and enters cancellous bone
Behind inside, 3 stop motion of instrument is expanded.At this point, the rear end of operation expansion instrument 3, to ball intracapsular injection contrast agent, in contrast agent
Under effect, while balloon expandable can inside cancellous bone one cavity 5 of bulging.After cavity 5 is stablized, operation expansion instrument
3 rear end extracts the contrast agent in sacculus out, and it is in reset condition that sacculus, which is shunk, at this time, can withdraw from expansion instrument 3.
Then, the reserved section of bone cement screw 2 is all squeezed into human body bone under the effect of outer chucking device, i.e., by bone water
The cutting end of mud snail nail 2 is squeezed into the cavity 5 of cancellous bone, gos deep into the bone cement diffusion hole 25 of cutting end all in cavity 5, this
When bone cement screw 2 rivet nut 21 fully enter in human body bone, the spiral shell inside the external screw thread 22 of connecting pin and prominent sleeve 12
Line is connected.At this point, bone cement injector 4 is injected handle and bone cement delivery pipe (interior full of bone cement 6) connection, by bone
Cement pipe is along the insertion of centre bore 24 until the front end of bone cement delivery pipe is deep into the position of bone cement diffusion hole 25, stopping
It is forwardly inserted bone cement injector 4.At this point, handle motion is injected in operation, injects handle motion while driving bone cement delivery pipe
Interior bone cement 6 flows out, and into centre bore 24, as bone cement 6 flows out more and more, bone cement 6 is along bone cement diffusion hole 25
It flows into inside the cavity 5 in cancellous bone, after the bone cement 6 in a bone cement delivery pipe is all released, replaces another simply continue to
It injects, until cavity 5 stops injecting bone cement 6 after being filled up by bone cement 6, and maintains position until bone cement 6 firmly admittedly, that is, is formed
Bone cement injector 4 is withdrawn from after the internal fixation system that bone cement 6 is reinforced.
So far, a bone fracture fixation system job is completed.
To sum up compared with prior art, the invention has the following beneficial effects:
1. a kind of repair of fractured bones system provided by the invention, including bone cement screw 2 and expansion instrument 3, and bone water
Mud snail nail 2 can be used in combination with expansion instrument 3, and sufficient space is provided for bone cement 6, reduces and pushes away inside phase cancellous bone
The pressure for infusing bone cement 6, reduces the risk of repair of fractured bones.
2. a kind of repair of fractured bones system provided by the invention comprising bone cement screw 2 have larger-diameter center
Hole 24 is to guarantee that expansion instrument 3 can smoothly enter into centre bore 24.
3. a kind of repair of fractured bones system provided by the invention comprising bone cement screw 2 connecting pin without special
Connection screw thread design, i.e., the counterbore 26 that also can be used alone are connect with outer abduction equipment, keep its structure simpler, are operated more square
Just.
4. a kind of repair of fractured bones system provided by the invention comprising bone cement screw 2 compared to existing bone cement
Screw, bone cement diffusion hole 25 thereon increase, and aperture becomes smaller, and are more suitable for injecting bone cement 6.
5. a kind of repair of fractured bones system provided by the invention comprising fracture board 1 compared to existing fracture board, have
Sleeve 12 is protruded, is additionally provided with the through-hole 13 being relatively large in diameter inside the protrusion sleeve 12, which can pass through bone cement screw
2, inside be additionally provided with screw thread, connect for the external screw thread 22 with the connecting pin of bone cement screw 2, for guaranteeing bone cement screw
2 must be stable.
6. a kind of repair of fractured bones system provided by the invention comprising the setting of protrusion sleeve 12 that has of fracture board 1
There are many angles, i.e., the angular range between prominent sleeve 12 and the one side of steel plate ontology 11 is between 90 ° -135 °, big model
The angle setting enclosed ensure that the popularity that fracture board 1 is applied.
The above is only a preferred embodiment of the present invention, is not intended to restrict the invention, and comes for those skilled in the art
It says, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any modification, equivalent
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of repair of fractured bones system, which is characterized in that the system includes fracture board, bone cement screw, expansion instrument and bone
Cement syringe, wherein
The fracture board has prominent sleeve, the connection bone cement screw in the prominent sleeve, to keep the bone water
The stabilization of mud snail nail；
The bone cement screw includes rivet nut, axially through centre bore is equipped with inside the rivet nut, in one end of the rivet nut
Equipped with bone cement diffusion hole, the expansion instrument or the bone cement injector are passed through in the centre bore；The bone cement expands
It dissipates hole to be connected with the centre bore, for spreading bone cement；
The front end of the expansion instrument is equipped with telescopic rod/elastic component, and the front end of the expansion instrument passes through the centre bore and deep
Enter inside cancellous bone, the rear end of the expansion instrument is strutted for controlling the front end by one sky of bulging inside the cancellous bone
Chamber；
The bone cement injector includes injecting handle and bone cement delivery pipe, and the bone cement delivery pipe injects handle with described
It is detachably connected, the bone cement delivery pipe drives the bone cement for penetrating the centre bore, the handle motion of injecting
Bone cement flows in delivery pipe, and the bone cement is injected into the centre bore, and the bone cement is expanded by the bone cement
Hole is dissipated to enter in the cavity.
2. a kind of repair of fractured bones system according to claim 1, which is characterized in that the prominent sleeve lining is equipped with spiral shell
Line is used between the bone cement screw and the prominent sleeve and is threadedly coupled.
3. a kind of repair of fractured bones system according to claim 1, which is characterized in that one end of the rivet nut is cutting end,
The cutting end drives the bone cement screw to squeeze into human body bone；The other end of the rivet nut is connecting pin, the connecting pin
Equipped with external screw thread and the prominent sleeve connection；
The central axis of the centre bore is overlapped with the central axis of the rivet nut；The bone cement diffusion hole is multiple and is distributed
In the central axis setting on the cutting end around the rivet nut.
4. a kind of repair of fractured bones system according to claim 3, which is characterized in that on the connecting pin, the center
Be equipped with counterbore in hole, the counterbore mutually block with outer chucking device and, for keeping rivet nut stabilization.
5. a kind of repair of fractured bones system according to claim 3, which is characterized in that on the connecting pin, the center
Internal screw thread is equipped in hole, the internal screw thread is connect with outer chucking device, for keeping the rivet nut to stablize.
6. a kind of repair of fractured bones system described in -5 any one according to claim 1, which is characterized in that
The prominent sleeve of the fracture board is inserted into the human body bone, and the bone cement screw is made in the outer chucking device
It with the lower insertion prominent sleeve and is further inserted into the cancellous bone, the bone cement screw is in the prominent sleeve peripheral hardware
Set reserved section；
The front end of the expansion instrument is inserted into along the centre bore of the bone cement screw into the cancellous bone；It is described
It places the cutting end that the bone cement screw is stretched out in front end；The front end struts or shrinks under the control of the rear end,
The front end strut after in the cancellous bone cavity described in bulging；
The bone cement screw squeezes into the reserved section in the prominent sleeve under the outer chucking device effect, described to cut
The bone cement diffusion hole cut on end is set in the cavity；
The bone cement injector extends along the centre bore, and the bone cement delivery pipe of the bone cement injector is inserted into institute
The depth for stating cancellous bone is identical as the depth of the bone cement diffusion hole.
7. a kind of repair of fractured bones system according to claim 6, which is characterized in that the reserved segment length is equal to the sky
Cavity length, the length of the reserved section are not more than the 1/2 of the rivet nut length.
8. a kind of repair of fractured bones system according to claim 1, which is characterized in that the fracture board includes steel plate ontology,
The steel plate ontology is arc compatible with the human body bone shape；The thickness range of the steel plate ontology 4.0mm~
Between 4.5mm；The width range of the steel plate ontology is between 12.5mm~13.5mm；It is equipped in the steel plate ontology multiple
Fixation hole, the interior insertion screw of the fixation hole are used to the steel plate ontology being fixed on the human body bone.
9. a kind of repair of fractured bones system according to claim 1, which is characterized in that the prominent sleeve is set to the steel plate
5mm-50mm, the diameter 14mm of the outer wall of the prominent sleeve are protruded outward and extended on the one side of ontology；The prominent set
Cylinder section be circular ring shape, the circular ring shape with a thickness of 1.5mm-5.5mm；The prominent sleeve in the steel plate ontology one
Angular range between side is between 90 ° -135 °.
10. a kind of repair of fractured bones system according to claim 1, which is characterized in that the cutting end is cutting for shape of threads
Screw thread is cut, the screw cutting is equipped with screw thread sword, is equipped with self tapping slot in the front end of the screw thread sword.
11. a kind of repair of fractured bones system according to claim 1, which is characterized in that the cutting end is spiral helicine cuts
Spiral is cut, the cutting spiral is equipped with helical edges.
12. a kind of repair of fractured bones system according to claim 1, which is characterized in that the cutting end is the of shape of threads
One end of thread, first end of thread are equipped with screw thread sword；
The connecting pin is second end of thread of shape of threads, second end of thread and the prominent sleeve connection；
The screw pitch a of first end of thread is greater than the screw pitch b of second end of thread；
The ratio between the screw pitch a and the screw pitch b are 7:5.
13. a kind of repair of fractured bones system according to claim 1, which is characterized in that the lateral surface of the rivet nut is circumference
Face is equipped with anti-rotation plane along the central axis on the periphery；The diameter range of the periphery is in 8.5mm -12.5mm
Between；The rivet nut is along center axis thereof direction length between 20mm -120mm；The section of the centre bore is circle, institute
Circular diameter range is stated between 2.6mm-4.5mm.
14. a kind of repair of fractured bones system according to claim 1, which is characterized in that the quantity of the bone cement diffusion hole
It is 4-12, the bone cement diffusion hole is circular hole, and the diameter of the circular hole is 1mm-3mm；
The distance being circumferentially arranged between each bone cement diffusion hole along the cutting end is between 2.97mm -3mm；It is each
The distance being axially arranged between the bone cement diffusion hole along the cutting end is between 5mm -6mm.
15. a kind of repair of fractured bones system according to claim 1, which is characterized in that the fracture board include slide opening and
Through-hole, wherein the slide opening is set to the lower end of the through-hole, to be multiple, are inserted into for screw and are fixed on the fracture board
On the human body bone；
The through-hole is set in the prominent sleeve, and the bone cement screw is passed through in the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845690.9A CN109044515A (en) | 2018-07-27 | 2018-07-27 | A kind of repair of fractured bones system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845690.9A CN109044515A (en) | 2018-07-27 | 2018-07-27 | A kind of repair of fractured bones system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109044515A true CN109044515A (en) | 2018-12-21 |
Family
ID=64835997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810845690.9A Pending CN109044515A (en) | 2018-07-27 | 2018-07-27 | A kind of repair of fractured bones system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109044515A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478016A (en) * | 2019-07-30 | 2019-11-22 | 张家港市中医医院 | It is fixed in a kind of centrum to form device with spring-piece type cone cavity |
| CN110478015A (en) * | 2019-07-30 | 2019-11-22 | 张家港市中医医院 | It is fixed in a kind of centrum to form device with balloon cone cavity |
| CN112244974A (en) * | 2020-11-12 | 2021-01-22 | 上海市东方医院（同济大学附属东方医院） | Percutaneous stent expansion bone scraping vertebral body forming device |
| CN113349908A (en) * | 2021-07-09 | 2021-09-07 | 中国人民解放军总医院第六医学中心 | Bidirectional pressurizing nail plate system for femoral metaphysis fracture |
| CN113648041A (en) * | 2021-02-02 | 2021-11-16 | 浙江德康医疗器械有限公司 | Internal fixation repair system for intertrochanteric fracture of femur |
| CN113768599A (en) * | 2021-02-02 | 2021-12-10 | 浙江德康医疗器械有限公司 | Bone cement intramedullary nail fixing system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050131411A1 (en) * | 2001-03-30 | 2005-06-16 | Culbert Brad S. | Method and apparatus for bone fixation with secondary compression |
| CN101049255A (en) * | 2007-05-24 | 2007-10-10 | 莫里斯 | Lockable gooseneck boom nail system |
| CN101601605A (en) * | 2009-07-14 | 2009-12-16 | 常州市康辉医疗器械有限公司 | Intramedullary nail fixation device for fractured near end of thighbone |
| CN101803945A (en) * | 2010-02-27 | 2010-08-18 | 刘丹 | Static hip screw used for treating femoral intertrochanteric unstable fracture |
| CN201790888U (en) * | 2010-08-25 | 2011-04-13 | 顾军 | Medical perfusion type dynamic hip screw |
| CN204169916U (en) * | 2014-10-20 | 2015-02-25 | 梁比记 | For the fractured near end of thighbone biotype Medullary fixation device of old people |
| CN204468250U (en) * | 2015-03-06 | 2015-07-15 | 胡明军 | A kind of hollow pressurization nail |
| CN204581468U (en) * | 2015-01-28 | 2015-08-26 | 邱正廸 | For the combined type medical device of bone surgery |
| CN105392451A (en) * | 2014-03-28 | 2016-03-09 | 瑞特医疗技术公司 | Retrograded hammertoe compression screw implant and methods of implanting the same |
| CN105640629A (en) * | 2016-03-17 | 2016-06-08 | 欧阳晓 | Perfusion biological intramedullary fixation device for osteoporotic proximal femoral fracture |
| CN205913388U (en) * | 2016-06-22 | 2017-02-01 | 苏州吉美瑞医疗器械有限公司 | Pressurization hollow rivet |
| CN206641903U (en) * | 2016-12-22 | 2017-11-17 | 王春庆 | It is a kind of can minimally invasive implantation near end of thighbone plate nail system |
-
2018
- 2018-07-27 CN CN201810845690.9A patent/CN109044515A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050131411A1 (en) * | 2001-03-30 | 2005-06-16 | Culbert Brad S. | Method and apparatus for bone fixation with secondary compression |
| CN101049255A (en) * | 2007-05-24 | 2007-10-10 | 莫里斯 | Lockable gooseneck boom nail system |
| CN101601605A (en) * | 2009-07-14 | 2009-12-16 | 常州市康辉医疗器械有限公司 | Intramedullary nail fixation device for fractured near end of thighbone |
| CN101803945A (en) * | 2010-02-27 | 2010-08-18 | 刘丹 | Static hip screw used for treating femoral intertrochanteric unstable fracture |
| CN201790888U (en) * | 2010-08-25 | 2011-04-13 | 顾军 | Medical perfusion type dynamic hip screw |
| CN105392451A (en) * | 2014-03-28 | 2016-03-09 | 瑞特医疗技术公司 | Retrograded hammertoe compression screw implant and methods of implanting the same |
| CN204169916U (en) * | 2014-10-20 | 2015-02-25 | 梁比记 | For the fractured near end of thighbone biotype Medullary fixation device of old people |
| CN204581468U (en) * | 2015-01-28 | 2015-08-26 | 邱正廸 | For the combined type medical device of bone surgery |
| CN204468250U (en) * | 2015-03-06 | 2015-07-15 | 胡明军 | A kind of hollow pressurization nail |
| CN105640629A (en) * | 2016-03-17 | 2016-06-08 | 欧阳晓 | Perfusion biological intramedullary fixation device for osteoporotic proximal femoral fracture |
| CN205913388U (en) * | 2016-06-22 | 2017-02-01 | 苏州吉美瑞医疗器械有限公司 | Pressurization hollow rivet |
| CN206641903U (en) * | 2016-12-22 | 2017-11-17 | 王春庆 | It is a kind of can minimally invasive implantation near end of thighbone plate nail system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478016A (en) * | 2019-07-30 | 2019-11-22 | 张家港市中医医院 | It is fixed in a kind of centrum to form device with spring-piece type cone cavity |
| CN110478015A (en) * | 2019-07-30 | 2019-11-22 | 张家港市中医医院 | It is fixed in a kind of centrum to form device with balloon cone cavity |
| CN110478015B (en) * | 2019-07-30 | 2023-09-15 | 张家港市中医医院 | Balloon type cone cavity forming device for fixing vertebral body |
| CN110478016B (en) * | 2019-07-30 | 2023-12-08 | 张家港市中医医院 | Spring piece type cone cavity forming device for fixing vertebral body |
| CN112244974A (en) * | 2020-11-12 | 2021-01-22 | 上海市东方医院（同济大学附属东方医院） | Percutaneous stent expansion bone scraping vertebral body forming device |
| CN113648041A (en) * | 2021-02-02 | 2021-11-16 | 浙江德康医疗器械有限公司 | Internal fixation repair system for intertrochanteric fracture of femur |
| CN113768599A (en) * | 2021-02-02 | 2021-12-10 | 浙江德康医疗器械有限公司 | Bone cement intramedullary nail fixing system |
| CN113648041B (en) * | 2021-02-02 | 2023-03-10 | 浙江德康医疗器械有限公司 | Internal fixation repair system for intertrochanteric fracture of femur |
| CN113349908A (en) * | 2021-07-09 | 2021-09-07 | 中国人民解放军总医院第六医学中心 | Bidirectional pressurizing nail plate system for femoral metaphysis fracture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109044515A (en) | A kind of repair of fractured bones system | |
| JP5653908B2 (en) | Posterior spinal fixation | |
| US8986385B2 (en) | Nested expandable sleeve implant | |
| US10342585B2 (en) | Apparatus for reinforcing bone and tools for mounting the same | |
| US9211153B2 (en) | Expansion screw bone tamp | |
| TWI503097B (en) | Bone fixation device | |
| CN201239191Y (en) | Intramedullary nail for locking fractured femur | |
| CN106214241A (en) | A kind of integral type expandable balloon bag device | |
| WO2013013069A1 (en) | Combination photodynamic devices | |
| CN207024106U (en) | A kind of inner fixing device for fracture of neck of femur | |
| CN104783880A (en) | Vertebral body kyphose forming system | |
| EP3319535A1 (en) | Device for fixation of bone fragments | |
| CN106073877A (en) | A kind of near end of thighbone Medullary fixation device | |
| CN201958990U (en) | Hollow U-shaped nail device capable of injecting bone cement | |
| EP2921142B1 (en) | Device for bone fixation | |
| CN102018564B (en) | Hollow U-shaped nail device capable of being filled with bone cement | |
| CN209186919U (en) | A kind of bone cement screw being used in combination with expansion instrument | |
| CN110478018A (en) | Pedicle screw fixing means | |
| CN213525420U (en) | Percutaneous stent expansion bone scraping vertebral body forming device | |
| CN206120427U (en) | Integral type expansible sacculus bag bagging apparatus | |
| CN104997557B (en) | Rectangular frame sight is fixed at a kind of two ends | |
| CN104398294A (en) | Improved bone decompression needle | |
| CN212234646U (en) | Self-locking intramedullary nail device for proximal fibula fracture | |
| CN113101017A (en) | Intramedullary axial compression fixation of femoral prosthesis | |
| CN209377707U (en) | Femur intramedullary nail that is inflatable and voluntarily degrading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |