CN109009385A - A kind of dynamic state screw - Google Patents
A kind of dynamic state screw Download PDFInfo
- Publication number
- CN109009385A CN109009385A CN201810912030.8A CN201810912030A CN109009385A CN 109009385 A CN109009385 A CN 109009385A CN 201810912030 A CN201810912030 A CN 201810912030A CN 109009385 A CN109009385 A CN 109009385A
- Authority
- CN
- China
- Prior art keywords
- insertion section
- receiving portion
- globular part
- universal nail
- globular
- 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
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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
-
- 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The present invention relates to a kind of Dynamic screw, including universal nail, outer seat and intermediate；Wherein the globular part is connected to the end of the threaded portion；The intermediate receiving portion is formed in the inside of the coronal, and the end of the coronal is provided with the multiple lug boss, and the multiple lug boss is respectively arranged with hook portion；Two clamping parts connect the insertion section, and the globular part receiving portion is formed in inside the insertion section；Described two clamping parts form the grasping part for gripping bar；The intermediate is arranged in the intermediate receiving portion of the outer seat；The globular part of the universal nail is arranged in the globular part receiving portion of the insertion section；The globular part of the universal nail can rotate in the globular part receiving portion, to adjust the fixed angle of the universal nail；Dynamic screw of the invention adjusts fixed angle using universal nail, and zero torque, fixation is more succinct, facilitates adjusting, more efficient, shorter operating time.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of dynamic (Dynamic) screws for fracture operation.
Background technique
For tradition nail stick fixed form as shown in Figure 1, structure is more complicated, fixation is cumbersome, causes operating time longer；Gu
There is profile in fixed pole, incisura is higher, needs to fracture, and will cause burr injury tissue.
Summary of the invention
In view of the drawbacks described above of the prior art, the object of the present invention is to provide a kind of structure is simple, convenient disassembly is quick
Dynamic screw.
The purpose of the present invention is achieved through the following technical solutions:
A kind of Dynamic screw, including universal nail, outer seat and intermediate；Wherein the universal nail includes threaded portion, spherical
Portion；The globular part is connected to the end of the threaded portion；
The outer seat includes coronal, intermediate receiving portion and multiple lug bosses；The intermediate receiving portion is formed in described
The inside of coronal, the end of the coronal are provided with the multiple lug boss, and the multiple lug boss is respectively arranged with hook
Portion；
The intermediate includes insertion section, globular part receiving portion and two clamping parts；Two clamping parts connect the insertion section,
The globular part receiving portion is formed in inside the insertion section；Described two clamping parts form the grasping part for gripping bar；
The intermediate is arranged in the intermediate receiving portion of the outer seat；The globular part of the universal nail is arranged described
In the globular part receiving portion of insertion section；The globular part of the universal nail can rotate in the globular part receiving portion, to adjust
The fixed angle of the universal nail.
Further, the peripheral surface of the insertion section is provided with along axial multiple first gaps and multiple second
Gap；First gap is originated from the opposite other end of the one end that is connected with the clamping part of the insertion section, and edge
It is axially extending, do not extend into the one end that is connected with the clamping part of the insertion section；Second gap is from the insertion section
One end starting that is connected with the clamping part, and axially extend, it is not extend intoing the insertion section with the clamping part phase
Connect the opposite other end of one end.
Further, it there are two second gaps, and is connected to the grasping part.
Further, the entry point of two universal nails forms an angle A.
Further, the angle A is preferably acute angle.
Compared with the existing technology, the features of the present invention and progress are as follows:
1, Dynamic screw of the invention adjusts fixed angle using universal nail, and zero torque, fixation is more succinct, facilitates adjusting, more
Efficiently, shorter operating time.
2, without any profile in fixed link of the invention, monomer accomplishes ultralow incisura, and without fractureing, therefore there is no hairs of having no progeny
Pierce injury tissue problem.
3, Dynamic screw Revolutionary design of the invention has the ability of dynamic calibration by system, while meeting quick
Disassembly.
4, Dynamic screw of the invention can be segmented or axial plane correction is realized in full spondylexarthrosis, adapt to solve multiple
Miscellaneous orthomorphia, cooperation fixing glue is compatible to solve traditional fracture operation.
Detailed description of the invention
Fig. 1: tradition nail stick fixed form schematic diagram；
Fig. 2: the present invention follows closely stick fixed form schematic diagram；
Fig. 3: the structure chart of Dynamic screw of the present invention；
Fig. 4: entry point schematic diagram of the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As Figure 2-3, a kind of Dynamic screw 2, including universal nail 21, outer seat 22 and intermediate 23；Wherein ten thousand
It include threaded portion 211, globular part 212 to nail 21；Globular part 212 is connected to the end of threaded portion 211；
Outer seat 22 includes coronal 221, intermediate receiving portion 222 and multiple lug bosses 223；Receiving portion 222 is formed in coronal
The inside in portion 221, the end of coronal 221 are provided with the multiple lug boss 223, and multiple lug bosses 223 are respectively arranged with hook
Portion 224；
Intermediate 23 includes insertion section 231, globular part receiving portion 235 and two clamping parts 232；Clamping part 232 is connected to slotting
Enter portion 231, globular part receiving portion 235 is formed in inside insertion section 231；Two clamping parts 232 form the clamping for gripping bar 1
Space；
The setting of intermediate 23 is outside in the intermediate receiving portion 222 of seat 22；The globular part 212 of universal nail 21 is arranged in insertion section
In 231 globular part receiving portion 235；The globular part 212 of universal nail 21 can rotate in globular part receiving portion 235, to adjust
The fixed angle of universal nail 21.Fixed angle is adjusted using universal nail 21, zero torque, fixation is more succinct, facilitates adjusting, higher
Effect, shorter operating time；Dynamic screw Revolutionary design has the ability of dynamic calibration by system, while meeting quick
Disassembly.
Using Dynamic screw, without any profile in fixed link 1, monomer accomplishes ultralow incisura, without fractureing, therefore does not deposit
In burr injury tissue problem of having no progeny.
The peripheral surface of insertion section 231 is provided with along axial multiple first gaps 233 and multiple second gaps 234；
First gap 233 is originated from the opposite other end of the one end that is connected with clamping part 232 of insertion section 231, and is axially extended,
The one end that is connected with clamping part 232 of insertion section 231 is not extend intoed；Second gap 234 is from insertion section 231 and clamping part 232
Be connected one end starting, and axially extends, and does not extend into the opposite of one end that be connected with clamping part 232 of insertion section 231
The other end；There are two second gaps 234, and is connected to grasping part.
As shown in figure 4, the entry point 3 of two universal nails 21 forms an angle A, angle A is preferably acute angle.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Invention, and be not used as limitation of the invention, as long as in spirit of the invention, to embodiment described above
Variation, modification will all fall within the scope of claims of the present invention.
Claims (5)
1. a kind of Dynamic screw (2), which is characterized in that including universal nail (21), outer seat (22) and intermediate (23)；Its
Described in universal nail (21) include threaded portion (211), globular part (212)；The globular part (212) is connected to the threaded portion
(211) end；
The outer seat (22) includes coronal (221), intermediate receiving portion (222) and multiple lug bosses (223)；In described
Mesosome receiving portion (222) is formed in the inside of the coronal (221), and the end of the coronal (221) is provided with described more
A lug boss (223), the multiple lug boss (223) are respectively arranged with hook portion (224)；
The intermediate (23) includes insertion section (231), globular part receiving portion (235) and two clamping parts (232)；Two folders
It holds portion (232) and connects the insertion section (231), it is internal that the globular part receiving portion (235) is formed in the insertion section (231)；
Described two clamping parts (232) form the grasping part for gripping bar (1)；
Intermediate (23) setting is in the intermediate receiving portion (222) of the outer seat (22)；The universal nail (21)
Globular part (212) setting the insertion section (231) globular part receiving portion (235) in；The universal nail (21) it is spherical
Portion (212) can rotate in the globular part receiving portion (235), to adjust the fixed angle of the universal nail (21).
2. Dynamic screw (2) according to claim 1, which is characterized in that the peripheral surface of the insertion section (231)
It is provided with along axial multiple first gaps (233) and multiple second gaps (234)；First gap (233) is from described
The opposite other end starting of the one end that is connected with the clamping part (232) of insertion section (231), and axially extend, do not prolong
Reach the one end that is connected with the clamping part (232) of the insertion section (231)；Second gap (234) is from the insertion
One end starting that is connected with the clamping part (232) in portion (231), and axially extend, do not extend into the insertion section (231)
The one end that is connected with the clamping part (232) the opposite other end.
3. Dynamic screw (2) according to claim 2, which is characterized in that there are two second gaps (234), and
And it is connected to the grasping part.
4. Dynamic screw (2) described in one of -3 according to claim 1, which is characterized in that two universal nails (21)
Entry point (3) forms an angle A.
5. Dynamic screw (2) according to claim 4, which is characterized in that the angle A is preferably acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810912030.8A CN109009385A (en) | 2018-08-12 | 2018-08-12 | A kind of dynamic state screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810912030.8A CN109009385A (en) | 2018-08-12 | 2018-08-12 | A kind of dynamic state screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109009385A true CN109009385A (en) | 2018-12-18 |
Family
ID=64633626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810912030.8A Pending CN109009385A (en) | 2018-08-12 | 2018-08-12 | A kind of dynamic state screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109009385A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101031248A (en) * | 2004-08-27 | 2007-09-05 | 黑石医药股份有限公司 | Multi-axial connection system |
| CN101357073A (en) * | 2007-07-31 | 2009-02-04 | 比德曼莫泰赫有限公司 | Bone anchoring device |
| CN101431955A (en) * | 2006-04-28 | 2009-05-13 | 华沙整形外科股份有限公司 | Open axle surgical implant |
| CN101754725A (en) * | 2007-07-20 | 2010-06-23 | 新特斯有限责任公司 | Polyaxial bone fixation element |
| CN102100577A (en) * | 2009-12-21 | 2011-06-22 | 比德曼莫泰赫有限责任两合公司 | Bone anchoring device |
| CN202821564U (en) * | 2009-07-31 | 2013-03-27 | 捷迈脊柱公司 | Bone fixing system |
| CN102988105A (en) * | 2011-09-15 | 2013-03-27 | 比德尔曼技术有限责任两合公司 | Polyaxial bone anchoring device with enlarged pivot angle |
| EP1926443B1 (en) * | 2005-09-23 | 2013-04-03 | Synthes GmbH | Bone support apparatus |
| CN103099661A (en) * | 2011-11-14 | 2013-05-15 | 比德尔曼技术有限责任两合公司 | Polyaxial bone anchoring device |
| CN103124534A (en) * | 2010-04-23 | 2013-05-29 | 斯玛特斯派恩公司 | Multiaxial pedicle attachment device for vertebral osteosynthesis |
| US20150148848A1 (en) * | 2013-11-27 | 2015-05-28 | Spinal Llc | Bottom loading low profile fixation system |
| EP2355725B1 (en) * | 2008-09-05 | 2017-03-08 | Synthes GmbH | Bone fixation assembly |
| CN209789983U (en) * | 2018-08-12 | 2019-12-17 | 苏州爱得科技发展股份有限公司 | Dynamic screw |
-
2018
- 2018-08-12 CN CN201810912030.8A patent/CN109009385A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101031248A (en) * | 2004-08-27 | 2007-09-05 | 黑石医药股份有限公司 | Multi-axial connection system |
| EP1926443B1 (en) * | 2005-09-23 | 2013-04-03 | Synthes GmbH | Bone support apparatus |
| CN101431955A (en) * | 2006-04-28 | 2009-05-13 | 华沙整形外科股份有限公司 | Open axle surgical implant |
| CN101754725A (en) * | 2007-07-20 | 2010-06-23 | 新特斯有限责任公司 | Polyaxial bone fixation element |
| CN101357073A (en) * | 2007-07-31 | 2009-02-04 | 比德曼莫泰赫有限公司 | Bone anchoring device |
| EP2355725B1 (en) * | 2008-09-05 | 2017-03-08 | Synthes GmbH | Bone fixation assembly |
| CN202821564U (en) * | 2009-07-31 | 2013-03-27 | 捷迈脊柱公司 | Bone fixing system |
| CN102100577A (en) * | 2009-12-21 | 2011-06-22 | 比德曼莫泰赫有限责任两合公司 | Bone anchoring device |
| CN103124534A (en) * | 2010-04-23 | 2013-05-29 | 斯玛特斯派恩公司 | Multiaxial pedicle attachment device for vertebral osteosynthesis |
| CN102988105A (en) * | 2011-09-15 | 2013-03-27 | 比德尔曼技术有限责任两合公司 | Polyaxial bone anchoring device with enlarged pivot angle |
| CN103099661A (en) * | 2011-11-14 | 2013-05-15 | 比德尔曼技术有限责任两合公司 | Polyaxial bone anchoring device |
| US20150148848A1 (en) * | 2013-11-27 | 2015-05-28 | Spinal Llc | Bottom loading low profile fixation system |
| CN209789983U (en) * | 2018-08-12 | 2019-12-17 | 苏州爱得科技发展股份有限公司 | Dynamic screw |
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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: 20181218 |