CN110279461A - A kind of bone surgery device for taking out broken nail easy to use - Google Patents
A kind of bone surgery device for taking out broken nail easy to use Download PDFInfo
- Publication number
- CN110279461A CN110279461A CN201910477855.6A CN201910477855A CN110279461A CN 110279461 A CN110279461 A CN 110279461A CN 201910477855 A CN201910477855 A CN 201910477855A CN 110279461 A CN110279461 A CN 110279461A
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- Prior art keywords
- collet
- column
- taking out
- broken nail
- out broken
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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
- A61B17/56—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
- A61B17/921—Impactors or extractors, e.g. for removing intramedullary devices for intramedullary devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of bone surgery device for taking out broken nail easy to use, including cylinder, cylinder body bottom is rotatably connected to connecting column, connecting column is connected with the first collet and the second collet far from one end of cylinder, a complete collet is formed after first collet and the second collet closure, adjustable column is installed between first collet and the second collet, can the first collet is closed or be opened by rotation adjustable column；The connecting column other end is fixedly connected with twist rod, and the disk of driving twist rod rotation is equipped in cylinder.This bone surgery device for taking out broken nail easy to use is provided with the first collet and the second collet of expansible or closure, it can be realized by operating adjustable column, and it is easy to operate, it is provided with twist rod and disk simultaneously, twist rod rotation is driven by the way that operation disk is mobile, and then collet rotation is driven, achieve the purpose that take out broken nail.In conclusion this bone surgery device for taking out broken nail easy to use is structurally reasonable, and it is easy to operate, it is time saving and energy saving, be conducive to improve working efficiency, and the velocity of rotation of fixing head is fully controllable, is suitable for popularization and application.
Description
Technical field
The present invention relates to a kind of bone surgery device for taking out broken nail easy to use.
Background technique
Fracture patient trauma care, clinically often using Breaking screws or plain screw fixation, according to
The position of fracture selects different angles, screw, quantity to be fixed, and after fracture fixation, patient was treated in convalescence,
The phenomenon that often will appear screw breakage.The screw of fracture how is taken out, and reduces the damage to fracture patient to the greatest extent again simultaneously
Wound, is a stubborn problem.
A kind of bone surgery broken nail easy to use is disclosed application No. is the patent document of CN201520274654.3 to take
Device out, the cylinder including being provided with mill teeth, cylinder is provided with triangular prism far from one end of mill teeth, after broken nail is fixed with cylinder,
Being mounted on rotation on triangular prism by electric drill either handle, to take out broken nail, which, which has the following deficiencies:, uses handle
A hand-held cylinder is needed when being rotated, proficiency rotational handle, rotation is slower, is unfavorable for improving working efficiency；Electricity consumption drilling row
When rotation, since electric drill weight is larger, operation is more inconvenient, and electric drill velocity of rotation is stablized during taking nail, encounters burst
It should not control when situation, easily patient is damaged.
Summary of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned traditional technology, a kind of bone surgery easy to use is provided
Device for taking out broken nail can effectively solve above-mentioned technical problem, convenient for taking out the broken nail on bone, be suitable for popularization and application.
The purpose of the present invention is what is reached by following technical measures: a kind of bone surgery broken nail taking-up easy to use
Device, including cylinder, the cylinder body bottom are rotatably connected to connecting column, and the connecting column is connected with far from one end of cylinder
A complete collet, first collet are formed after one collet and the second collet, first collet and the second collet closure
Adjustable column is installed between the second collet, can the first collet is closed or be opened by rotation adjustable column；The connecting column
The other end is fixedly connected with twist rod, and the disk of driving twist rod rotation is equipped in the cylinder.
By the above-mentioned means, the opening or closure of operation the first collet and the second collet can clamp broken nail, then
Operation turntable moves in cylinder, drives the first collet, the second collet to rotate by twist rod, can take out broken nail.
As a preferred embodiment, first collet is provided with mantle cavity, and the set is intracavitary to be movably installed with pivoted housing, described
Pivoted housing side wall is provided with hinge post, and the pivoted housing is side walls hinged by hinge post and mantle cavity two sides, second collet and the first collet
Structure is identical.
As a preferred embodiment, the adjustable column includes the first column and the second column, among first column and the second column
It is provided with turntable, first column is the threaded post with plus thread, and second column is the threaded post with left-hand thread.
As a preferred embodiment, the pivoted housing of first collet is connect with the first male screw, and second collet turns
Set is connect with the second male screw.
By above-mentioned setting, rotating turntable can be realized the opening of the first collet and the second collet or locks broken nail solid
It is fixed and easy to operate.
As a preferred embodiment, first column and the second column are provided with limit plate far from the end of turntable.
It is provided with limit plate, the first column or the second column and pivoted housing can be prevented to be detached from.
As a preferred embodiment, first collet inner wall corresponding with the second collet is provided with notch, and described
Turntable is located in the notch of two collets after one collet and the second collet closure.
As a preferred embodiment, the connecting column is provided with turn trough far from one end of the first collet, the second collet, described
Restraining position ring block is arranged in inner wall at barrel port, and the stop collar is located in turn trough and is rotatably assorted with turn trough.
As a preferred embodiment, the disk is slidably matched with cylinder, and the disk is provided with the disk hole of rectangle, described
Twist rod passes through disk hole, twist rod can be driven to rotate when the disk is moved along cylinder.
The cross section of twist rod is rectangle, and the shape of disk hole is matched with the shape of twist rod cross section, and twist rod is horizontal
The length in section is greater than the width of disk hole and is less than the length of disk hole, is arranged by this, when disk is moved along cylinder, can drive fiber crops
Line rod rotation, to realize that broken nail takes out work.
As a preferred embodiment, the cylinder lateral wall is provided with sliding slot, and the disk side wall is provided with traveller, the cunning
Column is in sliding fit with the sliding chute.
Be provided with traveller and sliding slot, play the role of there are two, first is that traveller sliding slot can play limit to disk,
Prevent disk disk when moving along cylinder from circumferentially rotating, two are easy for operation disk moves along the chute.
As a preferred embodiment, the twist rod is set with spring, and one end and disk joint of the spring are described
The other end of spring is in contact with cylinder body bottom side wall.
By above-mentioned setting, spring can play the role of reset to disk, drive twist rod to turn convenient for ongoing operation disk
It is dynamic.
By adopting the above-described technical solution, compared with prior art, the invention has the advantages that the invention discloses one kind
Bone surgery device for taking out broken nail easy to use is provided with the first collet and the second collet of expansible or closure, passes through behaviour
Making adjustments column can realize, and easy to operate, while be provided with twist rod and disk, drive twist rod to turn by the way that operation disk is mobile
It is dynamic, and then collet rotation is driven, achieve the purpose that take out broken nail.In conclusion this bone surgery broken nail easy to use takes
Device is structurally reasonable out, easy to operate, time saving and energy saving, is conducive to improve working efficiency, and the velocity of rotation of fixing head is fully controllable,
It is suitable for popularization and application.
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Detailed description of the invention
Attached drawing 1 is a kind of overall structure diagram of bone surgery device for taking out broken nail easy to use of the present invention.
Attached drawing 2 is a kind of decomposition texture schematic diagram of bone surgery device for taking out broken nail easy to use of the present invention.
Attached drawing 3 is a kind of schematic cross-sectional view of bone surgery device for taking out broken nail easy to use of the present invention.
Attached drawing 4 is A structure enlargement diagram in attached drawing 3.
Attached drawing 5 is a kind of schematic cross-sectional view of bone surgery device for taking out broken nail easy to use of the present invention.
Attached drawing 6 is B structure enlarged diagram in attached drawing 5.
Attached drawing 7 is a kind of schematic cross-sectional view of bone surgery device for taking out broken nail easy to use of the present invention.
Attached drawing 8 is C-structure enlarged diagram in attached drawing 7.
Specific embodiment
Embodiment: as shown in attached drawing 1 to attached drawing 8, a kind of bone surgery device for taking out broken nail easy to use, including cylinder 1,
1 lower rotation of cylinder is connected with connecting column 2, and the connecting column 2 is connected with the first collet 31 far from one end of cylinder 1
With the second collet 32, a complete collet, first collet are formed after first collet 31 and the second collet 32 closure
31 and second are equipped with adjustable column between collet 32, can the first collet 31 are closed or be opened by rotation adjustable column；It is described
2 other end of connecting column is fixedly connected with twist rod 6, and the disk 7 that driving twist rod 6 rotates is equipped in the cylinder 1.Described
One collet 31 and 32 bottom of the second collet are respectively arranged with the folder hole 35 with biting teeth, after the first collet 31 and the second collet 32 are closed
Broken nail can be clamped by folder hole 35.The cylinder 1 is plastic material.
As shown in attached drawing 2, attached drawing 6, first collet 31 is provided with mantle cavity 34, is movably installed with and turns in the mantle cavity 34
Set 35,35 side wall of pivoted housing are provided with hinge post, and the pivoted housing 35 is side walls hinged by hinge post and 34 two sides of mantle cavity, and described second
Collet 32 is identical as 31 structure of the first collet.
As shown in attached drawing 2, attached drawing 6, the adjustable column includes the first column 41 and the second column 42, first column 41 and second
Turntable 4 is welded among column 42, first column 41 is the threaded post with plus thread, and second column 42 is the spiral shell with left-hand thread
Line column.The pivoted housing 35 of first collet 31 is threadedly coupled with the first column 41, the pivoted housing 35 and the second column of second collet 32
42 are threadedly coupled.First column 41 and the second column 42 are provided with limit plate 43 far from the end of turntable 4.
In the present embodiment, first collet 31 inner wall corresponding with the second collet 32 is provided with notch 33, and described
Turntable 4 is located in the notch 33 of two collets after one collet 31 and the second collet 32 closure.
As shown in Fig. 4, the connecting column 2 is provided with turn trough 21, institute far from one end of the first collet 31, the second collet 32
It states inner wall at 1 port of cylinder and restraining position ring block 12 is set, the stop collar 12 is located in turn trough 21 and is rotatably assorted with turn trough 21.
The disk 7 is slidably matched with cylinder 1, and the disk 7 is provided with the disk hole 71 of rectangle, and the twist rod 6 passes through
Disk hole 71, the disk 7 can drive twist rod 6 to rotate when moving along cylinder 1.
1 side wall of cylinder is provided with sliding slot 11, and 7 sidewall thread of disk is connected with traveller 72, the traveller 72 with
Sliding slot 11 is slidably matched.
As shown in attached drawing 3, attached drawing 5, the twist rod 6 is set with spring 5, and one end of the spring 5 connects with disk 7
Place, the other end of the spring 5 are in contact with 1 bottom sidewall of cylinder.
When in use, rotation turntable 4 presss from both sides the first collet 31 and second to this bone surgery device for taking out broken nail easy to use
First 32 open, and after the broken nail for exposing bone is clamped, rotating backward turntable 4 will break the first collet 31, the second collet 32 closure
Nail clip is lived, and then holds 1 part of cylinder below traveller 72 on the other hand, the other hand pulls up traveller 72, when disk 7 is rotated up
It drives twist rod 6 to rotate, is further driven to the first collet 31, the rotation of the second collet 32, achievees the purpose that take out broken nail.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of bone surgery device for taking out broken nail easy to use, including cylinder, it is characterised in that: the cylinder body bottom rotation connects
It is connected to connecting column, the connecting column is connected with the first collet and the second collet, first collet far from one end of cylinder
A complete collet is formed with after the second collet closure, adjustable column is installed between first collet and the second collet, is led to
Crossing rotation adjustable column can be closed the first collet or open；The connecting column other end is fixedly connected with twist rod, the cylinder
The disk of driving twist rod rotation is installed in vivo.
2. a kind of bone surgery device for taking out broken nail easy to use according to claim 1, it is characterised in that: described first
Collet is provided with mantle cavity, and the set is intracavitary to be movably installed with pivoted housing, and the pivoted housing side wall is provided with hinge post, and the pivoted housing passes through hinge
Column and mantle cavity two sides are side walls hinged, and second collet is identical as the first chuck structure.
3. a kind of bone surgery device for taking out broken nail easy to use according to claim 1, it is characterised in that: the adjusting
Column includes the first column and the second column, and turntable is provided among first column and the second column, and first column is with plus thread
Threaded post, second column are the threaded post with left-hand thread.
4. a kind of bone surgery device for taking out broken nail easy to use according to claim 2, it is characterised in that: described first
The pivoted housing of collet is connect with the first male screw, and the pivoted housing of second collet is connect with the second male screw.
5. a kind of bone surgery device for taking out broken nail easy to use according to claim 4, it is characterised in that: described first
Column and the second column are provided with limit plate far from the end of turntable.
6. a kind of bone surgery device for taking out broken nail easy to use according to claim 1, it is characterised in that: described first
Collet inner wall corresponding with the second collet is provided with notch, and turntable is located at two after first collet and the second collet closure
In the notch of collet.
7. a kind of bone surgery device for taking out broken nail easy to use according to claim 1, it is characterised in that: the connection
Column is provided with turn trough far from one end of the first collet, the second collet, and restraining position ring block, the limit is arranged in inner wall at the barrel port
Position ring is located in turn trough and is rotatably assorted with turn trough.
8. a kind of bone surgery device for taking out broken nail easy to use according to claim 1, it is characterised in that: the disk
It is slidably matched with cylinder, the disk is provided with the disk hole of rectangle, and the twist rod passes through disk hole, and the disk is moved along cylinder
When twist rod can be driven to rotate.
9. a kind of bone surgery device for taking out broken nail easy to use according to claim 8, it is characterised in that: the cylinder
Side wall is provided with sliding slot, and the disk side wall is provided with traveller, and the traveller is in sliding fit with the sliding chute.
10. a kind of bone surgery device for taking out broken nail easy to use as claimed in any of claims 1 to 9, special
Sign is: the twist rod is set with spring, one end and disk joint of the spring, the other end and cylinder of the spring
Bottom sidewall is in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477855.6A CN110279461A (en) | 2019-06-03 | 2019-06-03 | A kind of bone surgery device for taking out broken nail easy to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477855.6A CN110279461A (en) | 2019-06-03 | 2019-06-03 | A kind of bone surgery device for taking out broken nail easy to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110279461A true CN110279461A (en) | 2019-09-27 |
Family
ID=68003326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910477855.6A Withdrawn CN110279461A (en) | 2019-06-03 | 2019-06-03 | A kind of bone surgery device for taking out broken nail easy to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110279461A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112089486A (en) * | 2020-09-01 | 2020-12-18 | 徐州丹奕工程科技有限公司 | Pedicle screw tail tooth breaker structure capable of reducing injury |
| WO2022163448A1 (en) * | 2021-02-01 | 2022-08-04 | 京セラ株式会社 | Extractor and surgical instrument system |
| JP7573658B2 (ja) | 2021-02-01 | 2024-10-25 | 京セラ株式会社 | 取外し器具および手術器具システム |
-
2019
- 2019-06-03 CN CN201910477855.6A patent/CN110279461A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112089486A (en) * | 2020-09-01 | 2020-12-18 | 徐州丹奕工程科技有限公司 | Pedicle screw tail tooth breaker structure capable of reducing injury |
| CN112089486B (en) * | 2020-09-01 | 2021-06-15 | 吉林大学 | Pedicle screw tail tooth breaker structure capable of reducing injury |
| CN113081228A (en) * | 2020-09-01 | 2021-07-09 | 徐州丹奕工程科技有限公司 | Caudal tooth extractor for orthopedic pedicle screws |
| CN113081228B (en) * | 2020-09-01 | 2022-08-26 | 荆州市中心医院(长江大学附属荆州医院) | Caudal tooth extractor for orthopedic pedicle screws |
| WO2022163448A1 (en) * | 2021-02-01 | 2022-08-04 | 京セラ株式会社 | Extractor and surgical instrument system |
| JP7573658B2 (ja) | 2021-02-01 | 2024-10-25 | 京セラ株式会社 | 取外し器具および手術器具システム |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190927 |
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| WW01 | Invention patent application withdrawn after publication |