CN110236662A - A kind of reduction of the fracture device and its application method - Google Patents
A kind of reduction of the fracture device and its application method Download PDFInfo
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- CN110236662A CN110236662A CN201811615050.5A CN201811615050A CN110236662A CN 110236662 A CN110236662 A CN 110236662A CN 201811615050 A CN201811615050 A CN 201811615050A CN 110236662 A CN110236662 A CN 110236662A
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- bone nail
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 54
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 5
- 206010017076 Fracture Diseases 0.000 description 12
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 230000007423 decrease Effects 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 235000005121 Sorbus torminalis Nutrition 0.000 description 2
- 244000152100 Sorbus torminalis Species 0.000 description 2
- 241001079814 Symphyotrichum pilosum Species 0.000 description 2
- 235000004224 Typha angustifolia Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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
- A61B17/56—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
-
- 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
- A61B2017/922—Devices for impaction, impact element
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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 invention discloses a kind of reduction of the fracture device and its application methods, including bone nail and the nail-fetching device matched with the bone nail；The bone nail includes outer nail and the interior nail in the outer nail, this is outer to nail on equipped with multiple rotation stop protrusions；Application method is the following steps are included: (1) when bone nail fractures during taking-up, first takes out the interior nail in outer nail, so that following closely inner hollow outside；(2) nail sleeve will be taken to be inserted into outer nail, head part is moved down, elastic slice is strutted outward, rotation stop cooperation is realized between raised line and rotation stop protrusion；(3) it is followed closely outside driving clamping part clamps, rotates gripping member later, driven outer nail rotation, taken out by affected part.The case where present invention clamps bone nail by clamping component and the cooperation of bone nail outer wall, follows closely component and the progress rotation stop cooperation of bone nail inner wall by taking, is not in skidding between guarantee device and bone nail, takes nail effect good.
Description
Technical field
The invention belongs to orthopedic instrument technical fields, more particularly, to a kind of reduction of the fracture device and its application method.
Background technique
Clinically the position of fracture is fixed or is resetted usually using bone nail and steel plate cooperation, is taking out bone nail process
In, the case where bone nail is easily broken.For the needs for taking out broken nail, Chinese patent CN203436389U discloses one kind
" nail taking out apparatus in orthopaedics " comprising pawl spring portion 1, clamping part 2 and nut, when taking nail, turn nut makes pawl spring portion to disconnected
Nail is clamped and then by the turn of tool holder clamping part, broken nail is screwed out.But under this kind of structure, only pass through pawl spring
Chucking power realizes clamping to broken nail, when screwing out broken nail, the case where being easy to appear skidding between pawl spring portion and broken nail, causes to break
Nail can not screw out.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provide a kind of reduction of the fracture device that can be removed of guarantee broken nail and
Its application method.
To achieve the goals above, the invention adopts the following technical scheme: a kind of reduction of the fracture device and its application method, packet
The nail-fetching device for including bone nail and being matched with the bone nail；The bone nail includes outer nail and the interior nail in the outer nail, this is outer to nail on
Equipped with multiple rotation stop protrusions；The nail-fetching device includes gripping member, the clamping component for being fixedly arranged on gripping member lower part and is fixedly arranged on gripping
Part lower part takes nail component, take nail component include take nail sleeve, set on take nail sleeve on multiple open slots, be formed in adjacent two
Elastic slice between open slot, the raised line on elastic slice outer wall and the head part that nail sleeve opposite can be taken to move up and down；Application method packet
Include following steps:
(1) when bone nail fractures during taking-up, first the interior nail in outer nail is taken out, so that following closely inner hollow outside；
(2) nail sleeve will be taken to be inserted into outer nail, head part is moved down, elastic slice is strutted outward, between raised line and rotation stop protrusion
Realize rotation stop cooperation；
(3) it is followed closely outside driving clamping part clamps, rotates gripping member later, driven outer nail rotation, taken out by affected part.
The present invention is suitable for taking for the hollow nail of inner hollow and follows closely operation, is cooperated by clamping component and bone nail outer wall to bone
Nail clip is tight, by take nail component and bone nail inner wall carry out rotation stop cooperation, thus realize between device for fetching nail and bone nail it is secured calmly
Position, during driving bone nail rotation by device for fetching nail, the case where being not in skidding between device and bone nail, guarantee hand
During holding grip part and rotating grip part, it is able to drive bone nail rotation always, and then bone nail is screwed out；And banding can be passed through
Ring applies pressure, so that clamp arm is pressed on outside bone nail, outer fixation works well；Can be realized by mandril takes nail sleeve outside
Expansion guarantees that the raised line and bone nail inner wall on elastic slice hold out against cooperation, and rotation stop works well, and further decreases the possibility of skidding.
The clamping component includes multiple clamp arm and can be in extend out knot with respect to the hoop of clamp arm up and down action, the clamp arm
Structure setting, the second end that has the first end being connected with gripping member and can swing with respect to first end, the banding circumferential direction are moved through
Cheng Zhong can drive the second end inwardly to swing to compress bone nail；Hoop and mandril are to be realized by moving down tightly
Admittedly it operates, and when taking nail, it is to be screwed out bone nail outward by way of rotation, acts on and take in nail sleeve and clamp arm
Opposition is also the power in circumferential direction, so that turn not will cause the movement of hoop and mandril during taking nail, into
And what positioning was pressed works well, and further reduced the possibility of skidding.
Further include driving part, for realizing the head part and hoop synchronize move down.
The head part includes mandril and is fixed at the top of the circular platform type of mandril lower part, it is described take nail sleeve include upper shell,
Lower shell and changeover portion for connecting lower shell on this, the internal diameter of the upper shell are greater than the internal diameter of lower shell, the changeover portion
Inner wall is curved-surface structure setting；The maximum outside diameter at the top is greater than the internal diameter of the lower shell, and the raised line and open slot are set
In on the lower shell；Under this kind of structure, guarantee top after penetrating to lower shell, lower shell will because internal diameter is too small and by
Top expands outwardly, and guarantees expansion effect；The setting of changeover portion ensure that top can be press-fit into lower shell along curved surface
Interior, the active force being applied on mandril does not have to too big, rapid operation；And top and mandril are also not easy the hard squeeze because excessive
And fracture, long service life, and under this kind of structure, when taking nail, mandril and top will be filled with taking nail sleeve inner, then by taking
Nail sleeve fills up the inside of hollow nail, so that high degree increases the intensity for taking nail sleeve and bone nail, effectively avoids taking
The possibility to fracture again occurs for bone nail during nail.
The driving part includes the chamber for being set to the grip part top, can act on the opposite chamber of lower realization in moving structure
The displacement piece of room moved up and down and the handle being connected with the displacement piece；During rotating the handle, the moving structure
Can drive displacement part moved up or moved down；Structure is simple, is easy to implement, easy to operate.
The present invention is cooperated by clamping component and bone nail outer wall clamps bone nail, by taking nail component and bone nail inner wall to carry out
The case where rotation stop cooperation is not in skidding between guarantee device and bone nail, takes nail effect good；And hoop and mandril can be passed through
Apply pressure respectively, further decreases the possibility of skidding.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is front view of the invention.
Fig. 3 is the cross-sectional view in Fig. 2 along B-B.
Fig. 4 is the enlarged drawing in Fig. 3 at A.
Fig. 5 is the decomposition diagram of bone nail in the present invention.
Fig. 6 is the cross-sectional view in Fig. 5 along line B-B.
Fig. 7 is the three-dimensional semi-cutaway of bone nail.
Specific embodiment
As shown in figs. 1-7, a kind of reduction of the fracture device and its application method, including gripping member 1, clamping component, take nail component
And driving part, the gripping member 1 are made of plastics, and are column construction, facilitate hand to hold, 1 outer surface of gripping member
Upper evenly spaced equipped with multiple anti-skid chequers 11, anti-skid chequer 11 can be directed out by 1 outer surface of gripping member and be convexed to form, and anti-skidding
Line 11 is arcuate structure setting；Clamping component is fixedly arranged on 1 lower part of gripping member, for take out fracture bone nail 2 when to compress bone
Bone nail is fixed in nail outer surface；It takes nail component to be fixedly arranged on 1 lower part of gripping member, matches for stretching in bone nail with fixed rotation stop
It closes；Specifically, clamping component includes multiple clamp arm 31 and can be with respect to the hoop 32 of clamp arm up and down action, the clamp arm 31 is in outer
Expand structure setting, the second end 312 that there is the first end 311 being connected with gripping member 1 and can be swung with respect to first end, the banding
Ring 32 can drive the second end 312 inwardly to swing to compress bone nail into moving process；In the present embodiment, clamp arm is set as 4
A, 4 clamp arm are that plastics are made, and have spacing between adjacent two clamp arm, and clamp arm is connected with gripping member, and the hoop is
Plastics are made, and the internal diameter of hoop is less than the outer diameter of clamp arm maximum, after guaranteeing that hoop moves down, it will drive the folder
Arm lower end is inwardly swung, and realizes the compression to bone nail.
Further, the second end of clamp arm 31 is equipped with inwardly projecting arc compressed part 313 and Compliant pressure part, this is soft
Property compressing member includes the contact layer 3131 being connected with arc compressed part and what is be connected with the contact layer press block 3132, wherein connects
Contact layer 3131 and to press block 3132 be that rubber is made, it is preferred that contact layer 3131 and press block 3132 and be structure as a whole；Press
Block 3132 is located in the arc compressed part 313, press the lower surface of block 3132 and 313 upper surface of arc compressed part pass through it is Nian Jie
It is connected, the left and right sidewall for pressing block 3132 is connected with contact layer 3131 and 31 inner surface of clamp arm by Nian Jie respectively；When clamp arm pair
When bone nail is clamped, arc compressed part and clamp arm inner wall can apply pressure to bone nail, and contact layer will be contacted with bone nail surface,
For the case where inner wall contact entire compared to clamp arm of arc compressed part, contact area is smaller, and then the pressure of contact portion
Greatly, be more good for the locating effect of bone nail；The setting of contact layer and compact heap can increase the friction between bone nail outer surface
Power further avoids the generation of slippery conditions.
Take nail component include take nail sleeve 41, set on take nail sleeve on multiple open slots 42, be formed in it is adjacent two opening
Elastic slice 43 between slot, the raised line 44 on elastic slice outer wall and the head part 45 that nail sleeve opposite can be taken to move up and down, wherein opening
Slot is triangular structure, and nail sleeve is taken to be made of plastics, by that can be formed after taking nail lower cartridge to open up a circle open slot
Multiple elastic slices, resilient lower being capable of opposite upper swings；Preferably, the head part 45 is also made of plastics, including cylindrical top
Bar 451 and be fixed on 452 at the top of the circular platform type of mandril lower part, it is described take nail sleeve 41 include upper shell 411, lower shell 412 and
For connecting the changeover portion 413 of lower shell on this, the internal diameter of the upper shell 411 is greater than the internal diameter of lower shell 412, the top
452 maximum outside diameter is greater than the internal diameter of the lower shell 412；Further, 413 inner wall of changeover portion is curved-surface structure setting；Into
And during head part 45 moves down, the elastic slice 43 can be strutted by top 452 and stir realization outward and take nail sleeve 41
Expansion；
The raised line 44 is set on the lower shell along the length direction setting for taking nail sleeve, raised line 44 and open slot 42, and excellent
It is selected as being correspondingly provided with a raised line 44 on each elastic slice；Above-mentioned bone nail 2 includes outer nail 21 made of metal and is set to the outer nail
Interior interior nail 22, interior nail can be made for metal and also be made of plastics；Since bone nail is set as inside and outside nail, under this kind of structure,
In the case where the structure for retaining hollow nail, guarantee after guidance needle is extracted, can be carried out by the cavity inside interior nail externally nail
It fills up, enhances the resistance of screw, bone nail is not easy to break, and reset effect is good, and can also further decrease when taking nail disconnected
The possibility of nail.
Ailhead 211 of the outer nail 21 with taper setting, equipped with externally threaded nail rod 212, be formed in the nail on the nail rod top
Cap 213 and the accommodating chamber 214 being inserted into for interior nail, 214 inner wall of accommodating chamber are equipped with multiple rotation stop protrusions 215, and the rotation stop that is connected is convex
The rotation stop groove for raised line insertion is formed between portion 215；It is described to take nail sleeve 41 after the interior nail 22 in accommodating chamber by taking out
It being inserted into the accommodating chamber, after taking nail 41 lower part of sleeve to expand outwardly, raised line will be penetrated to the rotation stop groove of corresponding position,
Realize that the rotation stop for taking nail sleeve and outer nail cooperates；Bone nail is realized by the rotation stop cooperation between rotation stop protrusion and raised line and nail is taken to cover
Good rotation stop between cylinder, further decreases the difficulty for taking nail.
Driving part for realizing the head part 45 and hoop 32 synchronize move down, above-mentioned driving part includes chamber
51, the displacement piece 52 of lower realization opposing chambers moved up and down and the handle being connected with the displacement piece can be acted in moving structure
53；The chamber 51 is the cylindrical open slot set on the grip part top, and displacement piece is the plastic part of cylindricality or collar plate shape, institute
Stating moving structure is the internal screw thread set on chamber inner wall and the external screw thread on displacement piece outer wall；Handle include part penetrate to
Vertical bar 531 in displacement piece can drive displacement piece to rotate together with the cross bar 532 for being fixed on vertical bar top when turn handle,
Inside under externally threaded cooperation driving, displacement piece can opposing chambers moved up or moved down；Specifically, being connected in hoop 32
There are multiple linking arms 321, preferably 4, the gripping member 1 is equipped with the arc for passing through and moving up and down in it for the linking arm
Shape mobile cavity 12, the arc mobile cavity 12 are connected with institute's chamber, which penetrates after passing through arc mobile cavity 12
To chamber, and upper end offsets with the displacement piece 52；When displacement piece moves down in turn, linking arm can be pushed to drive under hoop
It moves；
Further, the gripping member 1 is equipped with the column chamber 13 for passing through and moving up and down in it for the mandril, the column chamber 13
Be connected with institute chamber, 451 upper end of mandril is connected after passing through the column chamber 13 with displacement piece 52, and then displacement piece move up or under
When shifting, mandril will be driven to move up or move down together；By the movement of displacement piece, can be realized hoop it is synchronous with head part under
It moves, working effect is high, time saving and energy saving.
Preferably, 1 top of gripping member is equipped with accommodation groove 14, the internal diameter of the accommodation groove 14 is set greater than cross bar
Length, depth are equal to the thickness of cross bar, when being not used in device for fetching nail or when producing packaging, can turn handle to handle
It is embedded in accommodation groove, thus the space hold for reducing device for fetching nail of high degree, the packing timber expended when reducing packaging
Material, energy-saving consumption-reducing.
The interior nail 22 includes rivet nut 221, set on the first connecting portion 222 on rivet nut top and set on the second of rivet nut lower part
Interconnecting piece 223 is respectively equipped with screw thread on first, second interconnecting piece, corresponds to the first, second connecting portion in the accommodating chamber
The place of setting also is respectively equipped with screw thread, to pass through the realization connection that is spirally connected between interior nail and outer nail；By the first, second interconnecting piece and outside
The connection of nail realizes that internally follows closely fixedly positioning, and interior nail is avoided the case where shifting or deviating from occur；And the first, second interconnecting piece
The upper and lower ends of rivet nut are separately positioned on, and the position to fracture is usually located at medium position, and then under broken nail state, interior nail will
Only be connected by interconnecting piece with outer nail, firmness of the connection reduces, and by the setting of rotation stop protrusion so that interior nail outer wall and
To occur gap between outer nail inner wall, and then can screw out interior nail by tool, carry out the later period takes nail to operate；Further
, the maximum outside diameter of second connecting portion 223 is less than the outer diameter of the rivet nut 221, guarantees that interior nail can normally be inserted into accommodating chamber
It is interior.
Preferably, a baffle 224 is connected in the second connecting portion 223, specifically, baffle is plastics or metal
It is made, raises upward in the middle part of baffle and be formed with a cylindrical protrusion, second connecting portion is equipped with cylindrical slot, the protrusion
It is inserted into the slot, realizes that the card of baffle and interior nail is matched；The outer diameter of baffle is set smaller than accommodating chamber lower openings
Internal diameter, and then when the interior nail 21 is inserted into accommodating chamber 214,224 outer wall of baffle and 214 inner wall of accommodating chamber seal
Cooperation；And then sclerotin will not enter to outer nail inner wall and grow together with interior nail, can only connect together with baffle length, and due to baffle
It is clamping with second connecting portion, the two is easy to disengage under external force, thus when needing to take out broken nail after broken nail, Bu Huishou
Taking-up to excessive drag force, interior nail is more convenient.
Application method the following steps are included:
(1) when bone nail fractures during taking-up, due to the presence of rotation stop protrusion, so that between interior nail and outer nail inner wall
There are certain gaps, are followed closely later by interior by taking out in outer nail by tools such as tweezers or clamp, so that outer nail is in inner hollow
State；
(2) nail sleeve will be taken to be inserted into outer nail after, turn handle moves down head part, and head part lower part will take nail sleeve
Lower part expand outwardly so that realizing rotation stop cooperation between raised line and rotation stop protrusion, and be fitted close between the two；
(3) during head part moves down, hoop is moved downward simultaneously, and driving clamp arm lower part is inwardly stirred, multiple clamp arm
Outer nail outer surface is simultaneously clamped on, rotates gripping member later, drives outer nail rotation, so that outer nail is removed by affected part.
Claims (5)
1. a kind of reduction of the fracture device and its application method, including bone nail and the nail-fetching device matched with the bone nail；The bone nail packet
Outer nail (21) and the interior nail (22) in the outer nail are included, which is equipped with multiple rotation stop protrusions (215)；It is described to take nail
Device includes gripping member (1), the clamping component for being fixedly arranged on gripping member (1) lower part and be fixedly arranged on gripping member (1) lower part take nail component,
Take nail component include take nail sleeve (41), set on take nail sleeve on multiple open slots (42), be formed between adjacent two open slot
Elastic slice (43), the raised line (44) on elastic slice outer wall and the head part (45) that nail sleeve opposite can be taken to move up and down；Its feature
Be: application method the following steps are included:
When bone nail fractures during taking-up, first the interior nail in outer nail is taken out, so that following closely inner hollow outside；
Nail sleeve will be taken to be inserted into outer nail, head part (45) are moved down, elastic slice (43) is strutted outward, raised line and rotation stop protrusion
Between realize rotation stop cooperation；
It drives and is followed closely outside clamping part clamps, rotate gripping member later, drive outer nail rotation, taken out by affected part.
2. a kind of reduction of the fracture device according to claim 1 and its application method, it is characterised in that: the clamping component packet
The hoop (32) that includes multiple clamp arm (31) and can move up and down with respect to clamp arm, the clamp arm (31) have in structure setting is extended out
The second end (312) that has the first end (311) being connected with gripping member (1) and can be swung with respect to first end, the hoop (32)
During moving down, the second end (312) can be driven inwardly to swing to compress bone nail.
3. a kind of reduction of the fracture device according to claim 1 and its application method, it is characterised in that: further include driving portion
Part, for realizing the head part (45) and hoop (32) synchronize move down.
4. a kind of reduction of the fracture device according to claim 1 and its application method, it is characterised in that: head part (45) packet
Include mandril (451) and be fixed at the top of the circular platform type of mandril lower part (452), it is described take nail sleeve (41) include upper shell (411),
The internal diameter of lower shell (412) and changeover portion (413) for connecting lower shell on this, the upper shell (411) is greater than lower shell
(412) internal diameter, changeover portion (413) inner wall are curved-surface structure setting；The maximum outside diameter of the top (452) is greater than described
The internal diameter of lower shell (412), the raised line (44) and open slot (42) are set on the lower shell.
5. a kind of reduction of the fracture device according to claim 3 and its application method, it is characterised in that: the driving part packet
It includes the chamber (51) set on the grip part top, the lower displacement moved up and down for realizing opposing chambers can be acted in moving structure
Part (52) and the handle (53) being connected with the displacement piece；During rotating the handle (53), the moving structure can be driven
Displacement piece (52) is moved up or is moved down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615050.5A CN110236662B (en) | 2018-12-27 | 2018-12-27 | Fracture restorer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615050.5A CN110236662B (en) | 2018-12-27 | 2018-12-27 | Fracture restorer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110236662A true CN110236662A (en) | 2019-09-17 |
| CN110236662B CN110236662B (en) | 2022-07-15 |
Family
ID=67882891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811615050.5A Expired - Fee Related CN110236662B (en) | 2018-12-27 | 2018-12-27 | Fracture restorer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110236662B (en) |
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|---|---|---|---|---|
| EP0947169A2 (en) * | 1998-03-28 | 1999-10-06 | Howmedica Inc. | Methods and tools for femoral intermedullary revision surgery |
| US6673078B1 (en) * | 2002-07-24 | 2004-01-06 | Robert H. Muncie | Surgical wire and pin extractor |
| CN2772460Y (en) * | 2005-03-25 | 2006-04-19 | 宋朝晖 | Hollow screw drawing-out device |
| CN101579255A (en) * | 2009-06-29 | 2009-11-18 | 吴争鸣 | Multiple-interlocking intramedullary nail extractor |
| CN102835996A (en) * | 2011-06-23 | 2012-12-26 | 厦门大博颖精医疗器械有限公司 | Locking pin type central nail device |
| CN203042419U (en) * | 2013-02-01 | 2013-07-10 | 三峡大学仁和医院 | Anti-slipping hollow bone screw and matched screw driver |
| CN205514876U (en) * | 2016-02-29 | 2016-08-31 | 苏州苏南捷迈得医疗器械有限公司 | Hollow disconnected nail of orthopedics unloads nail ware |
| CN105997230A (en) * | 2016-05-03 | 2016-10-12 | 丽水市人民医院 | Orthopaedic screw extraction device capable of easy extraction of broken screw |
| CN106175916A (en) * | 2016-07-13 | 2016-12-07 | 苏州苏南捷迈得医疗器械有限公司 | A kind of bone surgery nail-fetching device |
-
2018
- 2018-12-27 CN CN201811615050.5A patent/CN110236662B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0947169A2 (en) * | 1998-03-28 | 1999-10-06 | Howmedica Inc. | Methods and tools for femoral intermedullary revision surgery |
| US6673078B1 (en) * | 2002-07-24 | 2004-01-06 | Robert H. Muncie | Surgical wire and pin extractor |
| CN2772460Y (en) * | 2005-03-25 | 2006-04-19 | 宋朝晖 | Hollow screw drawing-out device |
| CN101579255A (en) * | 2009-06-29 | 2009-11-18 | 吴争鸣 | Multiple-interlocking intramedullary nail extractor |
| CN102835996A (en) * | 2011-06-23 | 2012-12-26 | 厦门大博颖精医疗器械有限公司 | Locking pin type central nail device |
| CN203042419U (en) * | 2013-02-01 | 2013-07-10 | 三峡大学仁和医院 | Anti-slipping hollow bone screw and matched screw driver |
| CN205514876U (en) * | 2016-02-29 | 2016-08-31 | 苏州苏南捷迈得医疗器械有限公司 | Hollow disconnected nail of orthopedics unloads nail ware |
| CN105997230A (en) * | 2016-05-03 | 2016-10-12 | 丽水市人民医院 | Orthopaedic screw extraction device capable of easy extraction of broken screw |
| CN106175916A (en) * | 2016-07-13 | 2016-12-07 | 苏州苏南捷迈得医疗器械有限公司 | A kind of bone surgery nail-fetching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110236662B (en) | 2022-07-15 |
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