CN107582159A - Bone cement locking bone screw for locking bone fracture plate - Google Patents
Bone cement locking bone screw for locking bone fracture plate Download PDFInfo
- Publication number
- CN107582159A CN107582159A CN201710917002.0A CN201710917002A CN107582159A CN 107582159 A CN107582159 A CN 107582159A CN 201710917002 A CN201710917002 A CN 201710917002A CN 107582159 A CN107582159 A CN 107582159A
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- CN
- China
- Prior art keywords
- screw
- head
- bone
- locking bone
- locking
- 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
- 239000002639 bone cement Substances 0.000 title claims abstract description 38
- 208000010392 Bone Fractures Diseases 0.000 title claims abstract description 32
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 29
- 208000001132 Osteoporosis Diseases 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 108010048734 sclerotin Proteins 0.000 description 7
- 206010017076 Fracture Diseases 0.000 description 3
- 206010010149 Complicated fracture Diseases 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000037182 bone density Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940011871 estrogen Drugs 0.000 description 1
- 239000000262 estrogen Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The present invention is used for the bone cement locking bone screw of locking bone fracture plate, including the rivet nut being in the form of a column in round table-like head and with its integrally connected, the head is machined with double thread and screw, the head is fixed by the lock hole of double thread and locking bone fracture plate, also include bone cement passage, the bone cement passage stretches into the head for one end and is coaxially connected with screw, and the other end extends to the elongated hole of rivet nut end, and the aperture R of the screw is more than the maximum diameter of hole r of the elongated hole.Its purpose is to provide a kind of bone cement locking bone screw simple in construction, easy to use and can increasing screw hold in the case of osteoporosis for locking bone fracture plate.
Description
Technical field
The present invention relates to surgical instruments, device or method technical field, more particularly to a kind of for locking bone fracture plate
Bone cement locking bone screw.
Background technology
With the reduction of internal estrogen level after the increase at age and menopausal women, it is old that osteoporosis turns into puzzlement
One of major reason of year people health, and osteoporosis can more bring very burden plus unexpected fracture to fractures, due to
Osteoporosis causes four limbs tubular bone condyle joint trabecular bone density to diminish, and hold of the lock screw bar portion screw thread in sclerotin is big
It is big to reduce, situations such as being very easy to cause screw fail, bone nonunion, nonunion.
The content of the invention
To solve the above problems, the invention provides a kind of simple in construction, easy to use and can be in osteoporosis situation
The bone cement locking bone screw for locking bone fracture plate of lower increase screw hold.
The present invention be used for locking bone fracture plate bone cement locking bone screw, including in round table-like head and with its one
The rivet nut being in the form of a column of connection, the head are machined with double thread and screw, and the head is connect by double thread and locking
The lock hole of hone lamella is fixed, in addition to bone cement passage, and the bone cement passage is that to stretch into the head coaxial with screw for one end
Linking, the other end extend to the elongated hole of rivet nut end, and the aperture R of the screw is more than the maximum diameter of hole r of the elongated hole.
The present invention is used for the bone cement locking bone screw of locking bone fracture plate, if wherein the rivet nut afterbody is evenly distributed
Dry aperture, the angle β between the center line of each aperture and the center line of rivet nut are 45 °~90 °.
The present invention is used for the bone cement locking bone screw of locking bone fracture plate, wherein the imaginary upper bottom surface on the head and nail
Connected between body by cancave cambered surface connecting portion.
The present invention is used for the bone cement locking bone screw of locking bone fracture plate, wherein the screw is in quincunx or interior four directions
Shape, the elongated hole is cylindrical, and the vertical section of the convergence part of the screw and the elongated hole is in isosceles trapezoid, described elongated hole one end
It is connected with the imaginary upper bottom surface of the isosceles trapezoid.
The present invention is used for the bone cement locking bone screw of locking bone fracture plate, wherein the bottom surface on the head and side
Share rib, the equal rounding of rivet nut end head.
The present invention is used for the bone cement locking bone screw of locking bone fracture plate, wherein the rivet nut is close to one end end on head
Vertical section at head is in isosceles trapezoid.
The present invention is used for the bone cement locking bone screw of locking bone fracture plate, and head configuration profile is round platform and is machined with double
Line screw thread, facilitate head to be fixed with locking bone fracture plate lock hole, form that angle is stable, screw turns part to be quincunx or interior four
Square, screw uses hollow design, is easy to inject bone cement, meanwhile, there are four equally distributed apertures in rivet nut tail end, inject
Bone cement can be made fully to be contacted with sclerotin during bone cement, greatly improve hold of the screw rivet nut in sclerotin.The present invention uses
Preferably solve sufferers of osteoporosis face four limbs in the bone cement locking bone screw of locking bone fracture plate closely, after fracture of distal to use
Complicated Fracture in Caging Steel Therapy, lock screw the problem of hold is inadequate in loose sclerotin.
The bone cement locking bone screw for locking bone fracture plate of the present invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the main view partial sectional view for the bone cement locking bone screw that the present invention is used for locking bone fracture plate；
Fig. 2 is Fig. 1 A-A profiles；
Fig. 3 is the left view for the bone cement locking bone screw that the present invention is used for locking bone fracture plate；
Fig. 4 is the left view when bone cement locking bone screw screw that the present invention is used for locking bone fracture plate is interior square
Figure.
Embodiment
As shown in Figures 1 to 4, the present invention is used for the bone cement locking bone screw of locking bone fracture plate including in round table-like
Head 1 and the rivet nut 2 being in the form of a column with its integrally connected.Head 1 is that round platform is rotated in the clockwise direction the state after 90 °.Head
Connected by cancave cambered surface connecting portion 4 between the imaginary upper bottom surface and rivet nut 2 in portion 1, to reduce the stress concentration of the two junction, kept away
Screwless twists off.Double thread 11 being machined with head 1, being consolidated with will pass through the lock hole of double thread 11 and locking bone fracture plate
It is fixed, it is stable to form angle.Wherein, locking bone fracture plate is bone surgery common equipment, its structure and usage referring to this area routine skill
Art means, are not repeated herein.The middle part of head 1 offers screw 12, it is preferred that turns screw for convenience, screw 12 can be for convenience
The quincunx or interior square coordinated with spanner, it can so improve and turn the moment of torsion that part is born, prevent the excessive appearance of moment of torsion
Skidding.Bone cement passage 3 is further opened with the screw of the present invention, bone cement passage 3 is the cylinder extended along screw axial
Shape elongated hole, elongated hole left end stretch into head 1 and are coaxially connected with screw 12, and right-hand member extends to the end of rivet nut 2 along the axis direction of rivet nut 2
At head, so, hollow structure is just presented in screw, and elongated hole runs through whole screw, and specific purpose tool easy to use injects bone cement into
In metaphysis sclerotin.Preferably, screw 12 and the vertical section of the convergence part 13 of elongated hole are in isosceles trapezoid, elongated hole left end and the isosceles
Trapezoidal imaginary upper bottom surface linking.The aperture R of screw 12 is more than the maximum diameter of hole r of elongated hole.The afterbody of rivet nut 2 is evenly distributed some
Individual aperture 21, it is preferred that 4 apertures 21 can be set.Each angle between the center line of aperture 21 and the center line of rivet nut 2
β is 45 °~90 °, and so, bone cement can not only overflow from the elongated hole of tail end, can also be overflowed from this four apertures 21, fully
The sclerotin of screw side surface direction is filled, so as to improve the hold of screw and side sclerotin, efficiently avoid screw fail, bone
Do not connect, nonunion situations such as generation, substantially increase success rate of operation, alleviate sufferer pain.To avoid in operation
The sharp portion's injury doctor of screw, patient, the bottom surface on head 1 and the shared rib of side, and the end head of rivet nut 2 are done at rounding
Reason, and vertical section of the rivet nut 2 close to the left end end on head 1 is in isosceles trapezoid.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (6)
1. the bone cement locking bone screw for locking bone fracture plate, it is characterised in that：Including in round table-like head (1) and with
The rivet nut (2) being in the form of a column of its integrally connected, the head (1) are machined with double thread (11) and screw (12), the head
(1) fixed by the lock hole of double thread (11) and locking bone fracture plate, in addition to bone cement passage (3), the bone cement lead to
Road (3) is that the head (1) is stretched into one end and screw (12) is coaxial is connected, and the other end extends to the elongated hole of rivet nut (2) end,
The aperture R of the screw (12) is more than the maximum diameter of hole r of the elongated hole.
2. the bone cement locking bone screw according to claim 1 for locking bone fracture plate, it is characterised in that：The nail
Body (2) afterbody is evenly distributed several apertures (21), between the center line of each aperture (21) and the center line of rivet nut (2)
Angle β is 45 °~90 °.
3. the bone cement locking bone screw according to claim 1 or 2 for locking bone fracture plate, it is characterised in that：Institute
State and be connected between the imaginary upper bottom surface on head (1) and rivet nut (2) by cancave cambered surface connecting portion (4).
4. the bone cement locking bone screw according to claim 3 for locking bone fracture plate, it is characterised in that：The spiral shell
Hole (12) is in quincunx or interior square, and the elongated hole is cylindrical, the screw (12) and the convergence part (13) of the elongated hole
Vertical section be in isosceles trapezoid, described elongated hole one end is connected with the imaginary upper bottom surface of the isosceles trapezoid.
5. the bone cement locking bone screw according to claim 4 for locking bone fracture plate, it is characterised in that：The head
The bottom surface in portion (1) and the shared rib of side, the equal rounding of the rivet nut (2) end head.
6. the bone cement locking bone screw according to claim 5 for locking bone fracture plate, it is characterised in that：The nail
Vertical section of the body (2) close to one end end on head (1) is in isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917002.0A CN107582159A (en) | 2017-09-30 | 2017-09-30 | Bone cement locking bone screw for locking bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917002.0A CN107582159A (en) | 2017-09-30 | 2017-09-30 | Bone cement locking bone screw for locking bone fracture plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107582159A true CN107582159A (en) | 2018-01-16 |
Family
ID=61052597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710917002.0A Pending CN107582159A (en) | 2017-09-30 | 2017-09-30 | Bone cement locking bone screw for locking bone fracture plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107582159A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712035A (en) * | 2018-05-31 | 2018-10-26 | 横店集团英洛华电气有限公司 | Machine winding trial-production row is around template |
| CN112426218A (en) * | 2020-11-23 | 2021-03-02 | 常州集硕医疗器械有限公司 | Bone cement fixation device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050070904A1 (en) * | 2003-09-29 | 2005-03-31 | Darin Gerlach | Bone plates and bone plate assemblies |
| US20100100134A1 (en) * | 2008-10-17 | 2010-04-22 | Osteomed L.P. | Angulated Locking Plate/Screw Interface |
| CN102100578A (en) * | 2009-12-17 | 2011-06-22 | 史赛克外伤有限责任公司 | Encapsulated screw locking system |
| CN103654934A (en) * | 2012-08-30 | 2014-03-26 | 上海微创骨科医疗科技有限公司 | Combined type locking screw applied to bone plate and bone plate system comprising same |
| CN103654931A (en) * | 2013-12-05 | 2014-03-26 | 山东航维骨科医疗器械股份有限公司 | Locking metal bone fracture plate device commonly used for cortical bone and cancellous bone |
| CN208625838U (en) * | 2017-09-30 | 2019-03-22 | 苏州欣荣博尔特医疗器械有限公司 | Bone cement locking bone screw for locking bone fracture plate |
-
2017
- 2017-09-30 CN CN201710917002.0A patent/CN107582159A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050070904A1 (en) * | 2003-09-29 | 2005-03-31 | Darin Gerlach | Bone plates and bone plate assemblies |
| US20100100134A1 (en) * | 2008-10-17 | 2010-04-22 | Osteomed L.P. | Angulated Locking Plate/Screw Interface |
| CN102100578A (en) * | 2009-12-17 | 2011-06-22 | 史赛克外伤有限责任公司 | Encapsulated screw locking system |
| CN103654934A (en) * | 2012-08-30 | 2014-03-26 | 上海微创骨科医疗科技有限公司 | Combined type locking screw applied to bone plate and bone plate system comprising same |
| CN103654931A (en) * | 2013-12-05 | 2014-03-26 | 山东航维骨科医疗器械股份有限公司 | Locking metal bone fracture plate device commonly used for cortical bone and cancellous bone |
| CN208625838U (en) * | 2017-09-30 | 2019-03-22 | 苏州欣荣博尔特医疗器械有限公司 | Bone cement locking bone screw for locking bone fracture plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712035A (en) * | 2018-05-31 | 2018-10-26 | 横店集团英洛华电气有限公司 | Machine winding trial-production row is around template |
| CN112426218A (en) * | 2020-11-23 | 2021-03-02 | 常州集硕医疗器械有限公司 | Bone cement fixation device and method |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20240621 |
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| AD01 | Patent right deemed abandoned |