CN114098892A - Integrated screw rod for drilling and nail placing, electric drill and method - Google Patents
Integrated screw rod for drilling and nail placing, electric drill and method Download PDFInfo
- Publication number
- CN114098892A CN114098892A CN202111497119.0A CN202111497119A CN114098892A CN 114098892 A CN114098892 A CN 114098892A CN 202111497119 A CN202111497119 A CN 202111497119A CN 114098892 A CN114098892 A CN 114098892A
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- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005253 cladding Methods 0.000 claims description 34
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1604—Chisels; Rongeurs; Punches; Stamps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1622—Drill handpieces
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1626—Control means; Display units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides an integrated screw for drilling and nailing, comprising: the drill rod and the screw detachably connected with the drill rod are driven to rotate through an electric drill so that the screw can rotate; wherein, the screw is bullet type, and its one end of keeping away from the drilling rod is equipped with the male thread's of inserting section. The advantages are that: the automatic screw placing device has the advantages that the technical defects that the structure is damaged due to frequent micro motion of the structure caused by screw placing torque and time is wasted in the traditional method that a screw is placed after a hole is drilled firstly and then placed are overcome, only the required screw placing position needs to be aligned, the electric drill body is started to work, the screw is placed in the required position, the screw is separated from the electric drill body, the operation is convenient and effective, the operation risk is reduced, and the experience in the operation is improved.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to an integrated screw rod, an electric drill and a method for drilling and nailing.
Background
The medical instrument is an indispensable auxiliary tool in medicine, and is particularly important in the diagnosis and treatment process of orthopedic diseases. And need use the electric drill to punch before the operation in the relevant operation of fracture earlier and take out the drill bit of electric drill, then the installation screw is downthehole in beating, easily carries out secondary damage to the affected part, experiences in the reduction patient art.
Disclosure of Invention
The invention provides an integrated screw rod for drilling and nail placing, a medical electric drill and a method, and aims to overcome at least one technical defect, complete drilling and nail placing at one time, save time and improve the experience in the operation.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention protects in a first aspect an integrated screw for drilling-nailing comprising: the drill rod and the screw detachably connected with the drill rod are driven to rotate through an electric drill so that the screw can rotate;
wherein, the screw is bullet type, and its one end of keeping away from the drilling rod is equipped with the male thread's of inserting section.
Preferably, the drill rod comprises a straight rod section and a first coating section which is integrally formed with the straight rod section, the longitudinal section of the first coating section is of a structure with a cavity shaped like a cross or a meter, and the first embedding section of the screw is inserted into the cavity shaped like a cross or a meter;
the external thread is located expose in the drilling rod outside on the screw, just the section of inserting, embedding section integrated into one piece.
Preferably, the drill rod comprises a straight rod section and a second embedded section which is integrally formed with the straight rod section; the longitudinal section of the second cladding section on the screw is constructed into a structure with a cross-shaped or rice-shaped cavity, and the second embedding section is inserted into the cross-shaped or rice-shaped cavity of the second cladding section in an adaptive manner;
the external thread is located on the screw exposed outside the drill rod, and the inserting section and the second coating section are integrally formed.
Preferably, the outer diameter of the first cladding section is equal to the outer diameter of the first embedding section, so that the longitudinal section of the first cladding section and the first embedding section after being matched is circular.
Preferably, the outer diameter of the second cladding section is equal to the outer diameter of the second embedding section, so that the fitted longitudinal sections of the second cladding section and the second embedding section are circular.
Preferably, the drill rod is provided with scale marks along the length direction thereof.
Preferably, the scale lines have units of millimeters.
A second aspect of the invention protects a power drill comprising a power drill body for driving and an integral threaded spindle connected thereto for drill-nailing as described in the first aspect.
A third aspect of the invention provides a method of drill-nailing using the electric drill of the second aspect.
Preferably, the method of the third aspect comprises the following specific steps
The integral screw rod is arranged on the electric drill body, the integral screw rod is aligned to the position where the screw needs to be arranged, then the electric drill body is started to drill, after the electric drill body drills to the required depth, the drill rod is only required to be pulled out of the screw to be separated, and the screw is reserved to finish the drilling and screw setting work.
The invention discloses an integrated screw rod, an electric drill and a method for drilling and nailing, which have the advantages that: the integrated screw rod designed by the invention can be matched with an electric drill for use, so that the technical defects that the structure is damaged due to frequent micro-motion of the structure caused by the nail placing torque and the time is wasted in the traditional method that the nail is placed after the hole is drilled firstly and the structure is damaged due to the nail placing torque are overcome, only the required nail placing position needs to be aligned, the electric drill body is started to work, the screw is placed in the required position, and then the screw is separated from the electric drill body, so that the operation is convenient and effective, the operation risk is reduced, and the experience in the operation is improved;
the disassembly and connection mode of the screw and the drill rod is convenient and quick, and the applicability is strong;
and finally, due to the design of the scale marks on the drill rod, the drilling depth can be paid attention to in real time as required in the operation process, and the drilling condition can be known.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 and 8 are schematic structural views of an integrated screw for drilling and nailing according to second and third embodiments of the present invention, respectively;
FIGS. 2 and 9 are schematic views of different drill rod structures;
fig. 3 and 12 are schematic longitudinal surface structures of a first cladding section in a drill rod and a second cladding section in a screw respectively;
fig. 4 and 11 are schematic structural views of screws in the second embodiment and the third embodiment, respectively;
fig. 5 and 10 are schematic longitudinal sectional structure diagrams of an embedding segment in the second embodiment and an embedding segment in the second embodiment, respectively;
fig. 6 and 13 are schematic longitudinal sectional structure diagrams of the first cladding section and the first embedding section after being connected and the second cladding section and the second embedding section after being connected, respectively;
fig. 7 and 14 are schematic structural views of an electric drill composed of different insertion structures in a seventh embodiment;
wherein:
the drill rod comprises a drill rod 1, a straight rod section 11, a first cladding section 12, a first cavity 121, scale marks 13 and a second embedding section 14;
the bolt 2, an external thread 21, an insertion section 22, a first embedding section 23, a second cladding section 24 and a second cavity 241;
a drill body 3.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Example one
The present embodiment aims to provide an integrated screw for drilling and nailing, which is shown in fig. 1-7 or 8-14 and comprises a drill rod 1 and a screw 2 detachably connected to the drill rod 1, wherein the drill rod 1 is driven by an electric drill to rotate so as to rotate the screw 2;
wherein, the screw 2 is bullet-shaped, and one end of the screw, which is far away from the drill rod 1, is provided with an insertion section 22 with an external thread 21.
The working principle of the technical scheme is as follows:
the drill rod 1 and the screw 2 are detachably connected, so that the screw to be placed in the hole is placed into a required position at the same time of drilling, and drilling and nail placement are completed in one step.
The beneficial effects of the above technical scheme are:
when having avoided screw to put into in the tradition, need drill earlier and take off the drill bit, later put into the screw to carry out the secondary harm to the affected part, and increase long when operating, reduce the defect that experiences in the patient art.
Example two
According to the integral screw rod for drilling and nailing of the first embodiment, as shown in fig. 1 to 3 and 7, the drill rod 1 comprises a straight rod section 11 and a first cladding section 12 integrally formed with the straight rod section 11, the longitudinal section of the first cladding section 12 is structured to be provided with a cross-shaped or meter-shaped first cavity 121, and a first embedding section 23 of the screw 2 is fittingly embedded in the cross-shaped or meter-shaped first cavity of the first cladding section 12;
the external thread 21 is located on the screw 2 exposed outside the drill rod 1.
In the specific implementation process, the longitudinal section cavity 121 of the first cladding section 12 can also have other shapes, but the requirement is met that the longitudinal section cavity is required to be matched and inserted with the first embedding section 23 so as to achieve the characteristic of embedding transmission-pulling-out separation between the first cladding section 12 and the screw 2.
The beneficial effects of the above technical scheme are:
the cross-shaped or meter-shaped cavity structure of the first coating section 12 and the design of the first embedding section 23 of the screw 2 in adaptation thereof enable the drill rod 1 and the screw 2 to be embedded and inserted for connection, and improve the connection stability between the first coating section 12 and the screw 2 in the drilling process.
EXAMPLE III
According to the integral screw for drilling and nailing of the first embodiment, referring to fig. 8 to 14, the drill rod 1 comprises a straight rod section 11 and a second embedded section 14 integrally formed with the straight rod section 11; the longitudinal section of the second cladding section 24 on the screw 2 is in a structure with a second cavity 241 in a cross shape or a meter shape, and the second embedding section 14 is inserted into the second cavity 241 in the cross shape or the meter shape of the second cladding section 24 in an adaptive manner;
the external thread 21 is located on the screw 2 exposed outside the drill rod 1, and the insertion section 22 and the second cladding section 24 are integrally formed.
The beneficial effects of the above technical scheme are:
the structure of the cross-shaped or meter-shaped cavity of the second coating section 24 and the design of the second embedding section 14 of the drill rod 1 in adaptation with the cross-shaped or meter-shaped cavity enable the connection stability between the drill rod 1 and the screw 2 to be improved in the process of drilling after the drill rod 1 and the screw 2 are embedded and connected.
Example four
According to the second embodiment of the integrated screw for drilling and nailing, referring to fig. 6, the outer diameter of the first cladding section 12 is equal to the outer diameter of the first embedding section 23, so that the longitudinal sections of the first cladding section 12 and the first embedding section 23 after being matched are circular, that is, the longitudinal section edge of the first cladding section 12 close to one end of the screw 2 is an unconnected arc section, and the longitudinal section edge of the first embedding section 23 close to one end of the drill rod 1 is also an unconnected arc section, so that the outer edges of the longitudinal sections of the first cladding section 12 and the first embedding section 23 jointly form a complete circle.
The beneficial effects of the above technical scheme are:
the screw 2 and the first cladding section 12 are quickly and conveniently disassembled and assembled, and meanwhile, the connection stability of the drill rod 1 and the screw 2 is further enhanced.
EXAMPLE five
According to the integrated screw for drilling and nailing of the third embodiment, referring to fig. 13, the outer diameter of the second cladding section 24 is equal to the outer diameter of the second embedding section 14, so that the fitted longitudinal sections of the second cladding section 24 and the second embedding section 14 are circular. Namely, the longitudinal section edge of the second coating section 24 close to one end of the drill rod 1 is an unconnected arc segment, and the longitudinal section edge of the second embedding section 14 close to one end of the screw 2 is also an unconnected arc segment, so that the outer edges of the longitudinal sections of the second coating section 24 and the second embedding section 14 jointly form a complete circle.
The beneficial effects of the above technical scheme are:
the screw 2 and the drill rod 1 can be quickly and conveniently disassembled and assembled, and meanwhile, the connection stability of the drill rod 1 and the screw 2 is further enhanced.
EXAMPLE six
According to the first embodiment of the integrated screw for drilling and nailing, referring to fig. 1, 7, 8, 9 and 14, the drill rod 1 is provided with scale marks 13 along the length direction thereof, and the specific length thereof is determined according to actual needs; further, the scale lines 13 have units of millimeters.
The beneficial effects of the above technical scheme are:
so that the drilling depth can be known in real time during the operation.
EXAMPLE seven
The protective electric drill, as shown in fig. 7 and 14, comprises a drill body 3 for driving and an integrated screw rod for drilling and nailing according to any one of the second to sixth embodiments connected with the drill body.
The beneficial effects of the above technical scheme are:
so that the integrated screw rod is matched with the electric drill body 3 for use and nails are placed on the affected part.
Example eight
A method of protecting a drill-nail, characterized by: drilling-setting was performed using the electric drill as described in example seven.
Comprises the following specific steps
Installing an integrated screw on the electric drill body 3, aligning the integrated screw to a position where the screw 2 needs to be installed, and then opening the electric drill body 3 to drill a hole; after the drilling rod is drilled to the required depth, the drilling rod 1 is only required to be pulled out from the screw 2 to be separated, and the screw 2 is reserved to finish the drilling and nailing work.
And more specifically, the drilling depth of the drill rod 1 can be known in real time by observing the scale marks 13 on the drill rod 1 in the setting process, so that the defect of traditional blind drilling is overcome.
Here, the depth into which the screw 2 is drilled is equal to the sum of the length of the insertion section 22 plus the depth into which the drill rod 1 is drilled.
The structures and principles not explicitly described in the present invention are all available to those skilled in the art through conventional technical means, and therefore, are not described in detail.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A integral type screw rod for drilling-putting nail, its characterized in that: the drill rod comprises a drill rod (1) and a screw (2) detachably connected with the drill rod (1), wherein the drill rod (1) is driven to rotate through an electric drill so that the screw (2) can rotate;
wherein, the screw (2) is bullet-shaped, and one end of the screw, which is far away from the drill rod (1), is provided with an insertion section (22) with external threads (21).
2. The integrated screw for drill-nail set according to claim 1, characterized in that: the drill rod (1) comprises a straight rod section (11) and a first coating section (12) which is integrally formed with the straight rod section (11), the longitudinal section of the first coating section (12) is of a structure with a cavity shaped like a Chinese character 'ten' or 'mi', and a first embedding section (23) of the screw (2) is embedded in the cavity shaped like the Chinese character 'ten' or 'mi';
the external thread (21) is located on the screw (2) exposed outside the drill rod (1), and the insertion section (22) and the first embedding section (23) are integrally formed.
3. The integrated screw for drill-nail set according to claim 1, characterized in that: the drill rod (1) comprises a straight rod section (11) and a second embedded section (14) which is integrally formed with the straight rod section (11); the longitudinal section of a second cladding section (24) on the screw (2) is of a structure with a cross-shaped or a meter-shaped cavity, and the second embedding section (14) is embedded and inserted into the cross-shaped or meter-shaped cavity of the second cladding section (24) in a matched manner;
the external thread (21) is located on the screw (2) exposed outside the drill rod (1), and the inserting section (22) and the second cladding section (24) are integrally formed.
4. The integrated screw for drill-nail set according to claim 2, characterized in that: the outer diameter of the first cladding section (12) is equal to that of the first embedding section (23), so that the longitudinal sections of the first cladding section (12) and the first embedding section (23) after being matched are circular.
5. The integrated screw for drill-nail set according to claim 3, characterized in that: the outer diameter of the second cladding section (24) is equal to that of the second embedding section (14), so that the fitted longitudinal sections of the second cladding section (24) and the second embedding section (14) are circular.
6. The integrated screw for drill-nail set according to claim 1, characterized in that: the drill rod (1) is provided with scale marks (13) along the length direction thereof.
7. The integrated screw for drill-nail set according to claim 4, characterized in that: the scale mark (13) is in millimeters.
8. An electric drill, characterized in that: comprising a drill body (3) for driving and an integral screw for drill-nailing according to any of claims 2-7 connected thereto.
9. A method of drilling and nailing characterized by: drilling-nailing is performed using the electric drill according to claim 8.
10. The method of claim 9, further comprising: comprises the following specific steps
Installing an integrated screw on the electric drill body (3), aligning the integrated screw to a position where a screw (2) needs to be installed, and then opening the electric drill body (3) to drill; after the drill rod (1) is drilled to the required depth, the drill rod can be drilled and the nail can be placed only by pulling out the drill rod (1) from the screw (2) to separate the drill rod from the screw or retaining the screw (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111497119.0A CN114098892B (en) | 2021-12-09 | 2021-12-09 | Integrated screw rod for drilling and nailing, electric drill and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111497119.0A CN114098892B (en) | 2021-12-09 | 2021-12-09 | Integrated screw rod for drilling and nailing, electric drill and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114098892A true CN114098892A (en) | 2022-03-01 |
| CN114098892B CN114098892B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111497119.0A Active CN114098892B (en) | 2021-12-09 | 2021-12-09 | Integrated screw rod for drilling and nailing, electric drill and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN114098892B (en) |
Citations (12)
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|---|---|---|---|---|
| US5897279A (en) * | 1998-03-12 | 1999-04-27 | Bentley; R. William | Fastener screw with spacer for installing gutters |
| JP2003130022A (en) * | 2001-10-23 | 2003-05-08 | Hiroyoshi Uchiyama | Screw and driver bit |
| JP2005279853A (en) * | 2004-03-30 | 2005-10-13 | Fujitec Kk | Drill and self drill screw |
| US20140113245A1 (en) * | 2011-06-15 | 2014-04-24 | Neobiotech Co., Ltd. | Drill bit for removing implant fastening screw and guiding socket thereof |
| CN204312498U (en) * | 2014-11-18 | 2015-05-06 | 黄辉 | A kind of improvement self-tapping screw structure |
| WO2016201501A1 (en) * | 2015-06-16 | 2016-12-22 | United Jc Pty Ltd | Improved screw |
| CN106901824A (en) * | 2015-12-23 | 2017-06-30 | 上海三友医疗器械股份有限公司 | A kind of upper nail for pedicle screw fixation system puts rod device |
| CN107349008A (en) * | 2017-07-12 | 2017-11-17 | 王丰岩 | Damage screw and take out drill bit and device |
| US20190219091A1 (en) * | 2018-01-15 | 2019-07-18 | Fushang Co., Ltd. | Self-Drilling Screw |
| CN110206805A (en) * | 2019-07-11 | 2019-09-06 | 海盐精工标准件厂 | A kind of twin-screw self drilling tapping screw |
| GB2580372A (en) * | 2019-01-07 | 2020-07-22 | Depuy Ireland Ultd Co | Screw with retractable drill bit |
| CN216823571U (en) * | 2021-12-09 | 2022-06-28 | 北京大学第三医院（北京大学第三临床医学院） | Integrated screw for drilling and nailing |
-
2021
- 2021-12-09 CN CN202111497119.0A patent/CN114098892B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5897279A (en) * | 1998-03-12 | 1999-04-27 | Bentley; R. William | Fastener screw with spacer for installing gutters |
| JP2003130022A (en) * | 2001-10-23 | 2003-05-08 | Hiroyoshi Uchiyama | Screw and driver bit |
| JP2005279853A (en) * | 2004-03-30 | 2005-10-13 | Fujitec Kk | Drill and self drill screw |
| US20140113245A1 (en) * | 2011-06-15 | 2014-04-24 | Neobiotech Co., Ltd. | Drill bit for removing implant fastening screw and guiding socket thereof |
| CN204312498U (en) * | 2014-11-18 | 2015-05-06 | 黄辉 | A kind of improvement self-tapping screw structure |
| WO2016201501A1 (en) * | 2015-06-16 | 2016-12-22 | United Jc Pty Ltd | Improved screw |
| CN106901824A (en) * | 2015-12-23 | 2017-06-30 | 上海三友医疗器械股份有限公司 | A kind of upper nail for pedicle screw fixation system puts rod device |
| CN107349008A (en) * | 2017-07-12 | 2017-11-17 | 王丰岩 | Damage screw and take out drill bit and device |
| US20190219091A1 (en) * | 2018-01-15 | 2019-07-18 | Fushang Co., Ltd. | Self-Drilling Screw |
| GB2580372A (en) * | 2019-01-07 | 2020-07-22 | Depuy Ireland Ultd Co | Screw with retractable drill bit |
| CN110206805A (en) * | 2019-07-11 | 2019-09-06 | 海盐精工标准件厂 | A kind of twin-screw self drilling tapping screw |
| CN216823571U (en) * | 2021-12-09 | 2022-06-28 | 北京大学第三医院（北京大学第三临床医学院） | Integrated screw for drilling and nailing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114098892B (en) | 2024-05-03 |
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