CN107260278A - A kind of Pubic symphysis diastasis bone bolt internal fixation device - Google Patents
A kind of Pubic symphysis diastasis bone bolt internal fixation device Download PDFInfo
- Publication number
- CN107260278A CN107260278A CN201710623782.8A CN201710623782A CN107260278A CN 107260278 A CN107260278 A CN 107260278A CN 201710623782 A CN201710623782 A CN 201710623782A CN 107260278 A CN107260278 A CN 107260278A
- Authority
- CN
- China
- Prior art keywords
- bone bolt
- outer tube
- self
- tapping screw
- pubic symphysis
- 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 91
- 208000008235 Pubic Symphysis Diastasis Diseases 0.000 title claims abstract description 24
- 238000010079 rubber tapping Methods 0.000 claims abstract description 49
- 210000003689 pubic bone Anatomy 0.000 claims description 11
- 210000004061 pubic symphysis Anatomy 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 230000035479 physiological effects, processes and functions Effects 0.000 abstract 1
- 208000010392 Bone Fractures Diseases 0.000 description 5
- 206010017076 Fracture Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 206010034246 Pelvic fractures Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000004239 obturator nerve Anatomy 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 201000010814 Synostosis Diseases 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 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
-
- 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
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
- A61B17/8635—Tips of screws
-
- 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
- A61B17/8665—Nuts
-
- 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
- A61B17/68—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
- A61B17/8695—Washers
-
- 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
- A61B2017/681—Alignment, compression, or distraction mechanisms
-
- 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
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
Abstract
The present invention relates to a kind of Pubic symphysis diastasis bone bolt internal fixation device, belong to technical field of medical instruments.It is by bone bolt self-tapping screw, outer tube, pressurizing nut, spring washer and stops that circle is constituted, and one end of bone bolt self-tapping screw, which makes, to be had from tap holder, and the other end, which makes, bone bolt needle handle and bone bolt screw thread, thereon equipped with pressurizing nut, spring washer and stop circle；One end of outer tube, which makes, anti-back pawl and elastic opening, and make has casing threads thereon.The present invention from tap holder and anti-back pawl and elastic opening by coordinating, make pubic symphysis fully locked in fixed early stage, and prevent from slipping by anti-back pawl and elastic opening, patient is allowed pubic symphysis as amphiarthrodial physiology sexuality so as to reach, improve existing hollow screw and fix the problem of insecure, broken nail, abjection.The present invention has simple in construction, and easy for installation, operative incision is small, only needs mini-invasive incision and offside without cutting, fixation, clinical effectiveness is good, the advantages of few intercurrent disease.
Description
Technical field
The present invention relates to a kind of Pubic symphysis diastasis bone bolt internal fixation device, belong to technical field of medical instruments.
Background technology
In the orthopaedic trauma of hospital, fracture patient is most common, and the fracture site of fracture patient is also various.
It is pelvic fracture wherein to have a kind of fracture, and because the pelvic structures of human body are complicated, surrounding important blood vessels nerve is abundant, vena iliaca externa
It is difficult with appearing fracture after the traveling, and pelvic fracture such as obturator nerve, therefore the treatment of pelvic fracture is always orthopaedic trauma
Difficult point, the treatment that orthopaedics is separated to pubis, early stage uses non-operative treatment, fixation method outside such as traction, pelvis abdominal belt,
These methods frequently result in bone nonunion, the generation of the complication such as malunion and chronic ache.Draw to solve non-operative treatment
The complication of hair, in recent years to Pubic symphysis diastasis all using operative treatment fixed in forcing screw, the pressurization of existing use
Screw carries out forcing screw used in internal fixation treatment due to unreasonable structure, through often there is broken nail, fixation after operative treatment
The problem of insecure, screw is slipped, causes pubic symphysis to separate again, causes operative failure.In order to avoid solid in forcing screw
Fixed risk, also there is the operative treatment using Plate internal fixiation, but this method operative incision is big, and amount of bleeding is big, pubis is damaged
It is larger, surgical risks degree is big and complication is more.Still an alternative is that using the method for external fixing rack, although the method risk
It is small, but influence patient's normal life, therapeutic effect is imprecise, and screw way easy infection, easily causes operative failure.
The content of the invention
It is an object of the present invention to for above-mentioned the deficiencies in the prior art there is provided one kind according to human body pubic symphysis position
Shape be designed, be made up of bone bolt needle handle and overcoat screwed pipe, one end of bone bolt needle handle, which makes, to be had from tap holder, overcoat screwed pipe
One end, which makes, the expansion locking device with elasticity, prevents screw from sliding by expansion locking device in the Pubic symphysis diastasis fixation stage
De-, release expansion locking device smoothly can take out fixator after Pubic symphysis diastasis heals, and easy for installation, operative incision is small,
The Pubic symphysis diastasis bone bolt internal fixation device of fixation.
The present invention is to realize above-mentioned purpose by the following technical solutions：
A kind of Pubic symphysis diastasis bone bolt internal fixation device, it by bone bolt self-tapping screw, outer tube, pressurizing nut, spring washer and
Stop that circle is constituted, it is characterised in that：One end of bone bolt self-tapping screw, which makes, to be had from tap holder, and the other end of bone bolt self-tapping screw makes
There are bone bolt needle handle and bone bolt screw thread；One end of outer tube, which makes, anti-back pawl and elastic opening, and the other end of outer tube, which makes, to be had
Take out to make in hole, overcoat pipe outer wall and have casing threads；Outer tube is sleeved on the outside of bone bolt self-tapping screw, bone bolt self-tapping screw
Be placed in from tap holder in the anti-back pawl of outer tube, on the bone bolt screw thread of bone bolt self-tapping screw be equipped with pressurizing nut, pressurizing nut
Side is equipped with spring washer and stops circle.
When described pressurizing nut is rotated clockwise on bone bolt self-tapping screw, enclosed by spring washer and stop by bone bolt
Being compressed from the outside sleeve pipe of tap holder for self-tapping screw, struts into outer arcuate, while elasticity is opened by the anti-back pawl of outer tube right-hand member
Mouth also outside distending.
When described pressurizing nut is rotated counterclockwise on bone bolt self-tapping screw, pressurizing nut and spring washer are unclamped, will
The release from outside the outside sleeve pipe of tap holder of bone bolt self-tapping screw, the anti-back pawl and elastic opening of right-hand member reset under the elastic force of itself.
The left end of described bone bolt self-tapping screw, which makes, snap slot.
Described anti-back pawl at least two, elastic opening is at least three.
Described bone bolt self-tapping screw is hollow structure.
The maximum gauge from tap holder of described bone bolt self-tapping screw is more than the external diameter of outer tube.
Described stop circle is the arch for meeting pubis biological structure, stops that circle is fixedly connected or living with one end of outer tube
Dynamic connection.
The beneficial effect of the present invention compared with prior art is：
The Pubic symphysis diastasis bone bolt internal fixation device is designed and matched with pubic symphysis according to the structure at human body pubic symphysis position
Shape, by the cooperation from tap holder and anti-back pawl and elastic opening, make pubic symphysis fully locked in fixed early stage, and pass through
Anti-back pawl and elastic opening prevent fixator from slipping, so that reaching makes patient allow pubic symphysis as amphiarthrodial physiological
Activity, and can improve that conventional steel plates early stage is fixed loosely and Dinner phases hard force is concentrated, steel plate screw is broken caused by
Problem；Also improve existing hollow screw and fix the problems such as insecure, broken nail, abjection, it is ensured that the trouble fixed using external fixing rack
The quality of life of person is improved, it is to avoid infected caused by fixed material is exposed.Expansion is unclamped after Pubic symphysis diastasis heals
Lock smoothly can take out fixator, mitigate the pain of patient's second operation.The present invention has simple in construction, installation side
Just, operative incision is small, only needs mini-invasive incision and offside is without cutting, fixation, clinical effectiveness is good, and few intercurrent disease etc. is excellent
Point.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Pubic symphysis diastasis bone bolt internal fixation device；
Fig. 2 is the structural representation after a kind of expansion locking device of Pubic symphysis diastasis bone bolt internal fixation device is strutted；
Fig. 3 is the structural representation of bone bolt self-tapping screw；
Fig. 4 is the structural representation of outer tube.
In figure：1st, bone bolt self-tapping screw, 1-1, from tap holder, 1-2, bone bolt needle handle, 1-3, snap slot, 1-4, bone bolt screw thread,
2nd, outer tube, 2-1, anti-back pawl, 2-2, elastic opening, 2-3, casing threads, take out hole at 2-4, and 3, pressurizing nut, 4, spring pad
Circle, 5, stop circle.
Embodiment
A kind of Pubic symphysis diastasis bone bolt internal fixation device, it is by bone bolt self-tapping screw 1, outer tube 2, pressurizing nut 3, spring
Packing ring 4 and stop circle 5 are constituted, and one end of bone bolt self-tapping screw 1, which makes, to be had from tap holder 1-1, is more than from tap holder 1-1 maximum gauge
The external diameter of outer tube 2；The other end of bone bolt self-tapping screw 1, which makes, bone bolt needle handle 1-2 and bone bolt screw thread 1-4, bone bolt self tapping spiral shell
Being made between the bone bolt needle handle 1-2 and bone bolt screw thread 1-4 of bar 1 has snap slot 1-3；Bone bolt self-tapping screw 1 is fabricated to hollow structure.
One end of outer tube 2, which makes, anti-back pawl 2-1 and elastic opening 2-2, anti-back pawl 2-1 at least two, and elastic opening 2-2 is at least
For three, the other end of outer tube 2, which makes to have to make on taking-up hole 2-4, the outer wall of outer tube 2, casing threads 2-3.Outer tube
2 be sleeved on the outside of bone bolt self-tapping screw 1, and bone bolt self-tapping screw 1 is placed in the anti-back pawl 2-1 of outer tube from tap holder 1-1, bone
Pressurizing nut 3 is housed, the side of pressurizing nut 3 is enclosed equipped with spring washer 4 and stop on the bone bolt screw thread 1-4 of bolt self-tapping screw 1
5.Described stop circle 5 is the arch for meeting pubis biological structure, stops that circle 5 is fixedly connected or activity with one end of outer tube 2
Connection.
When pressurizing nut 3 is rotated clockwise on bone bolt self-tapping screw 1,5 are enclosed by bone bolt by spring washer 4 and stop
Being compressed from tap holder 1-1 into outer tube 2 for self-tapping screw 1, struts into outer arcuate, simultaneously by the anti-back pawl 2-1 of the right-hand member of outer tube 2
By elastic opening 2-2 also outside distending.When pressurizing nut 3 is rotated counterclockwise on bone bolt self-tapping screw 1, pressurizing nut is unclamped
3 and spring washer 4, bone bolt self-tapping screw 1 is unclamped to outside outer tube 2 from tap holder 1-1, the anti-back pawl 2-1 and elasticity of right-hand member
Opening 2-2 resets under the elastic force of itself.
The Pubic symphysis diastasis bone bolt internal fixation device from the left side by outer tube 2 in use, be set in bone bolt self-tapping screw 1
On, it will stop circle 5 successively（Refer to the situation for stopping that circle 5 is flexibly connected with outer tube 2）, elastic washer 4 and pressurizing nut 3 be from a left side
Side is on bone bolt self-tapping screw 1, and preparation is finished.Then make 1.5cm cross sections in patient's tuberculum pubicum lateral border, cut
Open skin, hypodermis, blunt separation to superior ramus of pubis is divided a word with a hyphen at the end of a line place in tuberculum pubicum and superior ramus of pubis, as pubic symphysis
Separate bone bolt internal fixation device inlet point, first point is transferred to one piece of guide pin and reaches offside inferior ramus of pubis or tuberculum pubicum at this, measure into
Pin length, a diameter of 0.8cm of reselection appropriate length bone bolt self-tapping screw 1 enters inferior ramus of pubis or pubis along guide pin direction
Tubercle and being passed bone bolt self-tapping screw 1 from tap holder 1-1, pressurizing nut 3 is then tightened clockwise makes bone bolt self tapping spiral shell
Bar 1 is displaced outwardly, while also being moved axially outward from tap holder 1-1, the anti-back pawl 2-1 for making outer tube 2 inner struts into outer arcuate,
Simultaneously by elastic opening 2-2 also outside distending, Pubic symphysis diastasis bone bolt internal fixation device is firmly locked on tuberculum pubicum, prevent
Retaining is followed closely, and continuing to tighten pressurizing nut 3 makes the pressurization fixation of outer tube two ends, the pubic symphysis of separation is gradually resetted, completes shame
Synostosis fixes operation.If bone bolt self-tapping screw 1 has additional length, additional length can be fractureed by snap slot 1-3, prevented
Surrounding tissue is oppressed.
, it is necessary to be because bone bolt passes offside inferior ramus of pubis or tuberculum pubicum when taking out fixator after patient cures
Pin mark, it is that at obturator nerve and blood vessel traveling, should not cut to go out pin mark.Therefore fixator takes out and carried out as follows：First
Pressurizing nut 3 is taken out, elastic washer 4 is taken out successively and stops circle 5, bone bolt self-tapping screw 1 is promoted into outer tube 2, makes bone
Bolt self-tapping screw 1 is separated from tap holder 1-1 with anti-back pawl 2-1 and elastic opening 2-2, anti-back pawl 2-1 and elastic opening 2-2 from
Reset and shrink under the elastic force of body, then after the taking-up hole 2-4 on logical outer tube 2 slowly screws out outer tube 2, then by bone bolt self tapping spiral shell
Bar 1 takes out.
Simply presently preferred embodiments of the present invention described above, the example above illustrates that the substantive content not to the present invention is made
Any formal limitation, technology of the person of an ordinary skill in the technical field after this specification has been read according to the present invention
Any simple modification or deformation that essence is made to above embodiment, and possibly also with the technology contents of the disclosure above
The equivalent embodiment of equivalent variations is changed or is modified to, in the range of still falling within technical solution of the present invention, without departing from
The spirit and scope of the invention.
Claims (8)
1. a kind of Pubic symphysis diastasis bone bolt internal fixation device, it is by bone bolt self-tapping screw 1, outer tube 2, pressurizing nut 3, spring pad
Circle 4 and stop circle 5 are constituted, it is characterised in that：One end of bone bolt self-tapping screw 1, which makes, to be had from tap holder 1-1, bone bolt self-tapping screw 1
The other end make have bone bolt needle handle 1-2 and bone bolt screw thread 1-4；One end of outer tube 2, which makes, anti-back pawl 2-1 and elastic opening
2-2, the other end of outer tube 2, which makes to have to make on taking-up hole 2-4, the outer wall of outer tube 2, casing threads 2-3；2 sets of outer tube
Mounted in the outside of bone bolt self-tapping screw 1, bone bolt self-tapping screw 1 is placed in the anti-back pawl 2-1 of outer tube from tap holder 1-1, bone bolt
Pressurizing nut 3 is housed, the side of pressurizing nut 3 is equipped with spring washer 4 and stop circle 5 on the bone bolt screw thread 1-4 of self-tapping screw 1.
2. a kind of Pubic symphysis diastasis bone bolt internal fixation device according to claim 1, it is characterised in that：Described pressurization spiral shell
When mother 3 rotates clockwise on bone bolt self-tapping screw 1,5 are enclosed by the self tapping of bone bolt self-tapping screw 1 by spring washer 4 and stop
Head 1-1 is compressed into outer tube 2, and the anti-back pawl 2-1 of the right-hand member of outer tube 2 is strutted into outer arcuate, while by elastic opening 2-2
Outside distending.
3. a kind of Pubic symphysis diastasis bone bolt internal fixation device according to claim 1, it is characterised in that：Described pressurization spiral shell
Mother 3 unclamps pressurizing nut 3 and spring washer 4 when being rotated counterclockwise on bone bolt self-tapping screw 1, by bone bolt self-tapping screw 1 from
Tap holder 1-1 unclamps to outside outer tube 2, and the anti-back pawl 2-1 and elastic opening 2-2 of right-hand member reset under the elastic force of itself.
4. a kind of Pubic symphysis diastasis bone bolt internal fixation device according to claim 1, it is characterised in that：Described bone bolt is certainly
Attacking the left end making of screw rod 1 has snap slot 1-3.
5. a kind of Pubic symphysis diastasis bone bolt internal fixation device according to claim 1, it is characterised in that：Described anti-back pawl
2-1 at least two, elastic opening 2-2 is at least three.
6. a kind of Pubic symphysis diastasis bone bolt internal fixation device according to claim 1, it is characterised in that：Described bone bolt is certainly
Screw rod 1 is attacked for hollow structure.
7. a kind of Pubic symphysis diastasis bone bolt internal fixation device according to claim 1, it is characterised in that：Described bone bolt is certainly
The maximum gauge from tap holder 1-1 for attacking screw rod 1 is more than the external diameter of outer tube 2.
8. a kind of Pubic symphysis diastasis bone bolt internal fixation device according to claim 1, it is characterised in that：Described stop circle
5 be the arch for meeting pubis biological structure, stops that circle 5 is fixedly connected or is flexibly connected with one end of outer tube 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710623782.8A CN107260278A (en) | 2017-07-27 | 2017-07-27 | A kind of Pubic symphysis diastasis bone bolt internal fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710623782.8A CN107260278A (en) | 2017-07-27 | 2017-07-27 | A kind of Pubic symphysis diastasis bone bolt internal fixation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107260278A true CN107260278A (en) | 2017-10-20 |
Family
ID=60079243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710623782.8A Pending CN107260278A (en) | 2017-07-27 | 2017-07-27 | A kind of Pubic symphysis diastasis bone bolt internal fixation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107260278A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110638510A (en) * | 2018-06-27 | 2020-01-03 | 奥微医学科技股份有限公司 | Arthritis correction fixing device and operation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2209507Y (en) * | 1994-12-21 | 1995-10-11 | 王维 | Expansion pressure bone bolt |
| CN2565412Y (en) * | 2002-09-02 | 2003-08-13 | 宋文超 | Expension screw |
| CN101147693A (en) * | 2007-11-05 | 2008-03-26 | 周跃 | Percutaneous cervical arc root screw internal fixing system |
| CN202270062U (en) * | 2011-08-11 | 2012-06-13 | 张英泽 | Bone bolt bending screwdriver capable of directing nut to get in position |
-
2017
- 2017-07-27 CN CN201710623782.8A patent/CN107260278A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2209507Y (en) * | 1994-12-21 | 1995-10-11 | 王维 | Expansion pressure bone bolt |
| CN2565412Y (en) * | 2002-09-02 | 2003-08-13 | 宋文超 | Expension screw |
| CN101147693A (en) * | 2007-11-05 | 2008-03-26 | 周跃 | Percutaneous cervical arc root screw internal fixing system |
| CN202270062U (en) * | 2011-08-11 | 2012-06-13 | 张英泽 | Bone bolt bending screwdriver capable of directing nut to get in position |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110638510A (en) * | 2018-06-27 | 2020-01-03 | 奥微医学科技股份有限公司 | Arthritis correction fixing device and operation method thereof |
| CN110638510B (en) * | 2018-06-27 | 2021-05-14 | 奥微医学科技股份有限公司 | Arthritis correction fixing device and operation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| De Bastiani et al. | Dynamic axial fixation: A rational alternative for the external fixation of fractures | |
| CN105434019A (en) | In-vitro type rib and sternum fracture reduction and pressurization fixing apparatus | |
| CN107260278A (en) | A kind of Pubic symphysis diastasis bone bolt internal fixation device | |
| CN208371870U (en) | A kind of Pubic symphysis diastasis bone bolt internal fixation device | |
| CN103750936A (en) | Jacket inward abutting type fracture fixation support | |
| CN100539960C (en) | Universal type fixer outside far end bone of radius | |
| CN202892074U (en) | Novel hip locking plate for children | |
| CN202154738U (en) | Fracture fixing apparatus | |
| RU2518539C1 (en) | Device for external fixation of shaft fractures of tubular bones | |
| CN201005773Y (en) | Femoral bone tuberosity locking hook board internal fixation system | |
| CN203861332U (en) | Side-guiding percutaneous solid pedicle screw | |
| CN208693405U (en) | Fracture of neck of femur resetting-mechanism | |
| CN206482644U (en) | A kind of split type Ti alloy skull bone distraction apparatus | |
| CN209107542U (en) | A kind of rear ankle dissection locking steel plate suitable for Minimally Invasive Surgery | |
| CN207041574U (en) | A kind of length-adjustable type thread bone nail | |
| CN201847766U (en) | Hollow anti-slip screw for patellar fracture internal fixation | |
| CN201642284U (en) | Combined clavicle intramedullary nail | |
| CN201861738U (en) | Femoral intramedullary nail | |
| RU2485905C2 (en) | Device for extrafocal rod osteosynthesis of fractures of long tubular bones | |
| CN204484285U (en) | Near end of thighbone twin shaft lockplate | |
| CN101803943A (en) | Combined type clavicular intramedullary pin | |
| CN211272029U (en) | Orthopedic surgery four limbs operation fixing device | |
| CN211433231U (en) | External rib fixing device for flail chest field first aid | |
| RU88939U1 (en) | DEVICE FOR RECONSTRUCTION OF THE FEMORAL HEAD IN ASEPTIC NECROSIS AND LEGGE-CALVERT-PERTHES DISEASES | |
| CN208404812U (en) | Distal radial palmar bone fracture plate |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |