CN106175916A - A kind of bone surgery nail-fetching device - Google Patents
A kind of bone surgery nail-fetching device Download PDFInfo
- Publication number
- CN106175916A CN106175916A CN201610547722.8A CN201610547722A CN106175916A CN 106175916 A CN106175916 A CN 106175916A CN 201610547722 A CN201610547722 A CN 201610547722A CN 106175916 A CN106175916 A CN 106175916A
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- tightly
- nail
- pipe
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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
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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)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of bone surgery nail-fetching device, manage including taking nail, hold pipe, dilator tightly, hold folder, conical tooth, the convex joint of toothholder, arc clamping head, batch bar, expansion ball-joint tightly；Described take nail pipe in be spirally connected be provided with dilator by limit screw thread, described in take to be provided with by fastening screw thread outside nail pipe and hold pipe tightly；Described take be provided with handle outside nail pipe upper end, inner side is provided with spacing screw thread, described in take nail pipe lower end and be provided with and multiple hold folder tightly and hold clip slot tightly, described in hold folder lower end tightly and be provided with arc clamping head and conical tooth, described in hold tightly and inside folder, be provided with the convex joint of toothholder；Described dilator lower end is provided with batch bar, middle part is provided with expansion ball-joint；Described dilator moves expansion ball-joint by spacing screw thread, and described expansion ball-joint pushes the convex joint of toothholder open, and folder expansion is held in drive tightly, and multiple arc clamping heads grip nail cap；The present invention fixes the head of a nail by arc clamping head and conical tooth, takes out screw quickly and easily, prevents screw chute, alleviates patient suffering, improves procedure efficiency.
Description
Technical field
The present invention relates to a kind of orthopaedics fixture technology apparatus field, particularly to a kind of bone surgery nail-fetching device.
Background technology
In bone surgery, screw is fixing in combining steel plate and hollow nail is conventional method, especially half-thread pine
Matter bone screw and half-thread hollow nail are more widely applied, and their advantage is to meet biomechanical principle, make fracture site reach
To effective pressurization, steady statue can be reached after fracture fixation and meet the intensity of rehabilitation training, in conjunction with early functional exercise,
To promote union of fracture.First, needing to take out screw after patient's recovery from illness, common spiral shell is criticized the structural limitations of instrument, can only be made sky
Heart nail rotates, and gerontal patient's bone density is relatively low, is difficult on sclerotin form screw thread, causes the nail can not be from taking-up；Secondly, portion
Nail is divided to be tightly combined with sclerotin, it is easy to cause nail cap to damage；Again, locking pliers extractor is used to bone destruction relatively
Greatly, unnecessary misery is caused to patient.
In prior art, extractor for bone-pin usually occurs that screw tail cap stress is excessive and causes chute to damage, or screw is anti-
In time rotating, after turning to certain position, it is impossible to outwards continue to back-out, can only dally in original place, especially half-thread spongiosa murices
Nail and this phenomenon of half-thread hollow nail become apparent from；This situation even can not take out bone after causing some patients union of fracture
Nail, can only remain in internal, cause patient body and psychological puzzlement.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of bone surgery nail-fetching device, for of the prior art not
Foot, optimizes design, uses arc clamping head to criticize with spiral shell and coordinates, by the head of a nail of the conical tooth fixing bone pin in arc clamping head, quickly
It is easily removed screw, prevents screw chute, be particularly well-suited to take out half-thread cancellous bone screw and half-thread hollow nail, can be wide
General it is applied to clinic, alleviates patient suffering, improve procedure efficiency.
For reaching above-mentioned purpose, technical scheme is as follows: a kind of bone surgery nail-fetching device, including taking nail pipe, embracing
Tight pipe, dilator, handle, hold folder, conical tooth, the convex joint of toothholder, arc clamping head, anti-slip handle, fastening screw thread, the inner cone mouth of pipe, hands tightly
Handle, clamping joint, batch bar, expansion ball-joint, spacing screw thread, it is characterised in that:
Described take nail pipe in be spirally connected be provided with dilator by limit screw thread, described in take and arranged by fastening screw thread outside nail pipe
Hold pipe tightly；Described take nail pipe upper end outside be provided with handle, inner side is provided with spacing screw thread, described in take nail pipe lower circumferential to
Integral type is provided with multiple holds folder tightly, described in hold tightly to be provided with between folder and hold clip slot tightly, described in hold folder lower end integral type tightly and arrange
Have arc clamping head, inside described arc clamping head, on arcwall face, be abound with the conical tooth being provided with rectangular pyramid shape, described in hold tightly inside folder
Being provided with cross section on face is the convex joint of semicircular toothholder；Described dilator upper end is provided with handle, lower end is provided with buckling groove, institute
State that batch bar upper end is provided with clamping joint, middle part is provided with expansion ball-joint, lower end is provided with screwdriver bit；Described buckling groove and clamping joint phase
Connect and fix mutually；Described dilator moves expansion ball-joint by spacing screw thread, and described expansion ball-joint slides and pushes the convex joint of toothholder open, and
Drive is held folder tightly and is expanded laterally, and multiple arc clamping heads holding folder front end tightly entangle the head of a nail of clamping fixing bone pin.
Described hold tightly be provided with anti-slip handle outside pipe upper end, inner side is provided with fastening screw thread, lower end and is provided with the inner cone mouth of pipe,
Described pipe of holding tightly is moved up and down by fastening screw thread, and the extrados of arc clamping head is held tightly and fixes locking by the described inner cone mouth of pipe.
Described sandwiched of holding tightly is equipped with three or four.
Screwdriver bit on described batch of bar is provided with plurality of specifications, and the screwdriver bit of plurality of specifications is provided with identical clamping joint, institute
State screwdriver bit form and include a word, cross, spiral cutter head.
The operation principle of the present invention is: take nail pipe, hold tightly pipe and dilator be combined with each other, use three groups of arc clamping heads with in
The heart criticizes bar, screwdriver bit coordinates, and is interacted by expansion ball-joint joint convex with toothholder, to holding folder expansion tightly, in order to open arc-shaped gear
Folder clamps the head of a nail of nail smoothly；By the head of a nail of the conical tooth fixing bone pin in arc clamping head, rotation grip handle rotates and holds tightly
Pipe compresses arc clamping head from outside, and the inner cone mouth of pipe holding pipe tightly moves down, and arc is pressed from both sides by the inner cone mouth of pipe inner tubal wall holding pipe bottom tightly
Head inwardly holds nail tightly, is rotated further and holds pipe tightly, can lock nail cap by conical tooth, and control batch bar by turning handle
Loosen nail with screwdriver bit, and take out nail smoothly；It is simple and easy to do that the present invention makes to take nail process, and screw easily takes out, and does not haves spiral shell
The faults such as nail chute, can fully meet all kinds of nail and take out requirement, especially half-thread cancellous bone screw and half-thread hollow nail
Requirement.
By technique scheme, technical solution of the present invention provides the benefit that: optimize design, take nail pipe, hold tightly pipe and
Dilator be combined with each other, and uses three groups of arc clamping heads to criticize with center spiral shell and coordinates, by the conical tooth fixing bone pin in arc clamping head
The head of a nail, take out screw quickly and easily, prevent screw chute, be particularly well-suited to take out half-thread cancellous bone screw and half-thread
Hollow nail, can be widely used in clinic, alleviates patient suffering, improves procedure efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be in embodiment or description of the prior art
The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only some realities of the present invention
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is a kind of bone surgery nail-fetching device sectional view schematic diagram disclosed in the embodiment of the present invention.
Numeral and the corresponding component title represented by letter in figure:
1. take nail pipe 2. and hold pipe 3. dilator 4. handle tightly
5. hold folder 6. conical tooth 7. toothholder convex joint 8. arc clamping heads tightly
9. anti-slip handle 10. fastens the screw thread 11. inner cone mouth of pipe 12. handle
The spacing screw thread of ball-joint 16. expanded by 13. clamping joint 14. batches bars 15.
Detailed description of the invention
Below in conjunction with embodiment of the present invention accompanying drawing, embodiment of the present invention technical scheme is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
According to Fig. 1, the invention provides a kind of bone surgery nail-fetching device, including take nail pipe 1, hold tightly pipe 2, dilator 3,
Hands 4, hold tightly folder 5, conical tooth 6, the convex joint of toothholder 7, arc clamping head 8, anti-slip handle 9, fastening screw thread 10, the inner cone mouth of pipe 11, handle 12,
Clamping joint 13, batch bar 14, expansion ball-joint 15, spacing screw thread 16.
Described take to be spirally connected by limit screw thread 16 in nail pipe 1 be provided with dilator 3, described in take nail pipe 1 outside by fastening spiral shell
Stricture of vagina 10 is provided with holds pipe 2 tightly；Described take nail pipe 1 upper end outside be provided with handle 4, inner side is provided with spacing screw thread 16, described in take
Nail pipe 1 lower circumferential is provided with to integral type and multiple holds folder 5 tightly, described in hold tightly to be provided with between folder 5 and hold clip slot tightly, described in hold tightly
Press from both sides 5 lower end integral types and be provided with arc clamping head 8, inside described arc clamping head 8, be abound with, on arcwall face, the cone being provided with rectangular pyramid shape
Shape tooth 6, described in hold on folder 5 medial surface that to be provided with cross section be the convex joint of semicircular toothholder 7 tightly；Described dilator 3 upper end is provided with
Handle 12, lower end are provided with buckling groove, described batch of bar 14 upper end is provided with clamping joint 13, middle part is provided with expansion ball-joint 15, under
End is provided with screwdriver bit；Described buckling groove mutually connects and fixes with clamping joint 13；Described dilator 3 moves expansion by spacing screw thread 16
Ball-joint 15, described expansion ball-joint 15 slides and pushes the convex joint of toothholder 7 open, and drives and hold folder 5 tightly and expand laterally, multiple holds folder 5 tightly
The arc clamping head 8 of front end entangles the head of a nail of clamping fixing bone pin.
Described hold tightly be provided with anti-slip handle 9 outside pipe 2 upper end, inner side is provided with fastening screw thread 10, lower end and is provided with inner cone
The mouth of pipe 11, described in hold tightly pipe 2 by fastening screw thread 10 move up and down, the extrados of arc clamping head 8 is embraced by the described inner cone mouth of pipe 11
Tight and fixing locking.
Described folder 5 of holding tightly is provided with three.
Screwdriver bit on described batch of bar 14 is provided with plurality of specifications, and the screwdriver bit of plurality of specifications is provided with identical clamping joint
13, described screwdriver bit form is cross cutter head.
The operating procedure that is embodied as of the present invention is: takes nail pipe 1, hold pipe 2 tightly and dilator 3 be combined with each other, uses three groups
Arc clamping head 8 coordinates with center batch bar 14, screwdriver bit, by the head of a nail of conical tooth 6 fixing bone pin in arc clamping head 8, rotates anti-
Sliding handle 9 rotation is held pipe 2 tightly and is compressed arc clamping head 8 from outside, and the inner cone mouth of pipe 11 holding pipe 2 tightly moves down, and holds the inner cone of pipe 2 bottom tightly
The mouth of pipe 11 inner tubal wall inwardly holds arc clamping head 8 tightly nail, is rotated further and holds pipe 2 tightly, can lock nail by conical tooth 6
Cap, and loosen nail by turning handle 12 control batch bar 14 and screwdriver bit, and take out nail smoothly；The present invention makes to take the letter of nail process
Easy row, screw easily takes out, and does not haves the faults such as screw chute, can fully meet all kinds of nail and take out requirement, especially partly
Screw thread cancellous bone screw and the requirement of half-thread hollow nail.
By above-mentioned specific embodiment, the invention has the beneficial effects as follows: optimize design, take nail pipe, hold pipe and dilator tightly
It is combined with each other, use three groups of arc clamping heads to criticize with center spiral shell and coordinate, by the head of a nail of the conical tooth fixing bone pin in arc clamping head,
Take out screw quickly and easily, prevent screw chute, be particularly well-suited to take out half-thread cancellous bone screw and half-thread hollow nail,
Clinic can be widely used in, alleviate patient suffering, improve procedure efficiency.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (4)
1. a bone surgery nail-fetching device, it is characterised in that include that taking nail manages, holds pipe, dilator, handle tightly, holds folder, taper tightly
The convex joint of tooth, toothholder, arc clamping head, anti-slip handle, fastening screw thread, the inner cone mouth of pipe, handle, clamping joint, batch bar, expansion ball-joint, spacing
Screw thread；Described take nail pipe in be spirally connected be provided with dilator by limit screw thread, described in take and be provided with by fastening screw thread outside nail pipe
Hold pipe tightly；Described take nail pipe upper end outside be provided with handle, inner side is provided with spacing screw thread, described in take nail pipe lower circumferential to one
Body formula is provided with multiple holds folder tightly, described in hold tightly to be provided with between folder and hold clip slot tightly, described in hold folder lower end integral type tightly and be provided with
Arc clamping head, is abound with the conical tooth being provided with rectangular pyramid shape on arcwall face inside described arc clamping head, described in hold folder medial surface tightly
On to be provided with cross section be the convex joint of semicircular toothholder；Described dilator upper end is provided with handle, lower end is provided with buckling groove, described
Batch bar upper end is provided with clamping joint, middle part is provided with expansion ball-joint, lower end is provided with screwdriver bit；Described buckling groove is mutual with clamping joint
Connect and fix；Described dilator moves expansion ball-joint by spacing screw thread, and described expansion ball-joint slides and pushes the convex joint of toothholder open, and carries
Dynamic folder of holding tightly is expanded laterally, and multiple arc clamping heads holding folder front end tightly entangle the head of a nail of clamping fixing bone pin.
A kind of bone surgery nail-fetching device the most according to claim 1, it is characterised in that described in hold tightly and arrange outside pipe upper end
Have anti-slip handle, inner side to be provided with fastening screw thread, lower end and be provided with the inner cone mouth of pipe, described in hold pipe tightly by moving down on fastening screw thread
Dynamic, the extrados of arc clamping head is held tightly and fixes locking by the described inner cone mouth of pipe.
A kind of bone surgery nail-fetching device the most according to claim 1, it is characterised in that described in hold tightly sandwiched be equipped with three or
Person four.
A kind of bone surgery nail-fetching device the most according to claim 1, it is characterised in that the screwdriver bit on described batch of bar is provided with
Plurality of specifications, the screwdriver bit of plurality of specifications is provided with identical clamping joint, and described screwdriver bit form includes a word, cross, spiral
Cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547722.8A CN106175916B (en) | 2016-07-13 | 2016-07-13 | A kind of bone surgery nail-fetching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547722.8A CN106175916B (en) | 2016-07-13 | 2016-07-13 | A kind of bone surgery nail-fetching device |
Publications (2)
| Publication Number | Publication Date |
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| CN106175916A true CN106175916A (en) | 2016-12-07 |
| CN106175916B CN106175916B (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610547722.8A Active CN106175916B (en) | 2016-07-13 | 2016-07-13 | A kind of bone surgery nail-fetching device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821488A (en) * | 2017-04-07 | 2017-06-13 | 中国人民解放军总医院 | A kind of screw is fixed and takes out auxiliary sleeve |
| CN106890023A (en) * | 2017-03-29 | 2017-06-27 | 中国人民解放军第四军医大学 | It is a kind of to be suitable to the spinal bone screw pitman extractor of small otch |
| CN106994037A (en) * | 2017-05-11 | 2017-08-01 | 陈建华 | A kind of fetal head extractor for caesarean section |
| CN109259839A (en) * | 2017-07-18 | 2019-01-25 | 索尔科生物医疗株式会社 | Osteocomma is fixed to use sleeve screw assembly |
| CN109965970A (en) * | 2017-12-27 | 2019-07-05 | 慈溪市人民医院 | Device for fetching nail and its application |
| CN109984832A (en) * | 2018-12-28 | 2019-07-09 | 丽水市人民医院 | A kind of hollow nail and nail-fetching device matched with its |
| CN110200692A (en) * | 2018-12-27 | 2019-09-06 | 丽水市人民医院 | A kind of orthopaedics broken nail device for fetching nail |
| CN110236662A (en) * | 2018-12-27 | 2019-09-17 | 丽水市人民医院 | A kind of reduction of the fracture device and its application method |
| CN111317556A (en) * | 2020-03-12 | 2020-06-23 | 施田宝 | Nail taking device for orthopedics department |
| CN111991682A (en) * | 2020-07-21 | 2020-11-27 | 哈尔滨医科大学 | Medical clinical continuous anus dilator |
| CN112244987A (en) * | 2020-11-05 | 2021-01-22 | 孙金堂 | Portable bone nail taking device |
| WO2022041967A1 (en) * | 2020-08-31 | 2022-03-03 | 苏州微创骨科医疗工具有限公司 | Nail removing device |
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| CN202207202U (en) * | 2011-09-14 | 2012-05-02 | 朱春景 | Vertebral arch broken nail puller |
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| CN204723168U (en) * | 2015-03-23 | 2015-10-28 | 延安大学附属医院 | A kind of nail taking out apparatus in orthopaedics |
| CN205073016U (en) * | 2015-09-26 | 2016-03-09 | 无锡市人民医院 | Broken nail extraction apparatus |
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| WO1994012112A1 (en) * | 1992-11-21 | 1994-06-09 | Erwin Ludwig Klinge | Expanding intramedullary nail |
| DE20316629U1 (en) * | 2002-11-30 | 2004-01-22 | Ferber, Ottfried, Dr. | Surgical slide hammer for removing medullary nails has exchangeable expansion tips with different surfaces to engage ends of nails |
| CN202207202U (en) * | 2011-09-14 | 2012-05-02 | 朱春景 | Vertebral arch broken nail puller |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890023A (en) * | 2017-03-29 | 2017-06-27 | 中国人民解放军第四军医大学 | It is a kind of to be suitable to the spinal bone screw pitman extractor of small otch |
| CN106890023B (en) * | 2017-03-29 | 2019-08-27 | 中国人民解放军第四军医大学 | A kind of spinal bone screw pitman extractor suitable for small notch |
| CN106821488A (en) * | 2017-04-07 | 2017-06-13 | 中国人民解放军总医院 | A kind of screw is fixed and takes out auxiliary sleeve |
| CN106821488B (en) * | 2017-04-07 | 2023-08-11 | 中国人民解放军总医院 | Auxiliary sleeve for screw fixation and taking out |
| CN106994037A (en) * | 2017-05-11 | 2017-08-01 | 陈建华 | A kind of fetal head extractor for caesarean section |
| CN109259839A (en) * | 2017-07-18 | 2019-01-25 | 索尔科生物医疗株式会社 | Osteocomma is fixed to use sleeve screw assembly |
| CN109965970A (en) * | 2017-12-27 | 2019-07-05 | 慈溪市人民医院 | Device for fetching nail and its application |
| CN110200692B (en) * | 2018-12-27 | 2022-06-28 | 丽水市人民医院 | Broken nail taking device for orthopedics |
| CN110200692A (en) * | 2018-12-27 | 2019-09-06 | 丽水市人民医院 | A kind of orthopaedics broken nail device for fetching nail |
| CN110236662A (en) * | 2018-12-27 | 2019-09-17 | 丽水市人民医院 | A kind of reduction of the fracture device and its application method |
| CN110236662B (en) * | 2018-12-27 | 2022-07-15 | 丽水市人民医院 | Fracture restorer |
| CN109984832A (en) * | 2018-12-28 | 2019-07-09 | 丽水市人民医院 | A kind of hollow nail and nail-fetching device matched with its |
| CN109984832B (en) * | 2018-12-28 | 2022-04-15 | 丽水市人民医院 | Hollow nail and matched nail extractor thereof |
| CN111317556B (en) * | 2020-03-12 | 2021-03-26 | 施田宝 | Nail taking device for orthopedics department |
| CN111317556A (en) * | 2020-03-12 | 2020-06-23 | 施田宝 | Nail taking device for orthopedics department |
| CN111991682B (en) * | 2020-07-21 | 2022-07-12 | 哈尔滨医科大学 | Medical clinical continuous anus dilator |
| CN111991682A (en) * | 2020-07-21 | 2020-11-27 | 哈尔滨医科大学 | Medical clinical continuous anus dilator |
| WO2022041967A1 (en) * | 2020-08-31 | 2022-03-03 | 苏州微创骨科医疗工具有限公司 | Nail removing device |
| CN112244987A (en) * | 2020-11-05 | 2021-01-22 | 孙金堂 | Portable bone nail taking device |
| CN112244987B (en) * | 2020-11-05 | 2022-09-09 | 孙金堂 | Portable bone nail taking device |
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