CN209091591U - Two parts intramedullary nail Fracture internal fixaiion system - Google Patents
Two parts intramedullary nail Fracture internal fixaiion system Download PDFInfo
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- CN209091591U CN209091591U CN201721658113.6U CN201721658113U CN209091591U CN 209091591 U CN209091591 U CN 209091591U CN 201721658113 U CN201721658113 U CN 201721658113U CN 209091591 U CN209091591 U CN 209091591U
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- intramedullary nail
- component
- fracture
- connecting component
- nail
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Abstract
A kind of two parts intramedullary nail Fracture internal fixaiion system of the utility model, the intramedullary nail Fracture internal fixaiion system include intramedullary nail A component, intramedullary nail B component；The intramedullary nail A component is to be detachably connected with intramedullary nail B component；The intramedullary nail A component and intramedullary nail B component is provided with fixing screws.Its advantage is shown: a kind of two parts intramedullary nail Fracture internal fixaiion system of the utility model is implanted into via fracture site, promotes bone tissue healing, structure is simple, and design is rationally, easy to operate in art, fracture can be effectively fixed, patient is made more early to carry out effective functional training.
Description
Technical field
The utility model relates to the field of medical instrument technology, specifically, being a kind of long bone shaft fracture Intramedullary nailing system
System.
Background technique
Long bone fracture is relatively conventional, and fracture is affected to limb function after occurring, and unstable fracture needs to lead to more
Operative treatment is crossed, therapeutic purposes are to restore the continuity of fracture, and reach the strong fixation for allowing early ambulant, and current clinic is answered
Fracture internal fixaiion system includes steel plate/screw system and intramedullary nail system etc..
In clinical application, existing internal fixation system has following limitation.
In steel plate/screw system installation process, height is required to the exposure of art area, it is larger to fracture surrounding structure damage, it is interior solid
Determine larger to periosteum injury after device installation, complicated fracture is difficult to reach satisfied reset etc. more, and postoperative there are fracture delayed unions
Or disunion risk etc..
The invention of intramedullary nail system is that the treatment of long bone shaft fracture brings revolutionary change, but existing intramedullary nail system
System need to be implanted by long bone end, and the teenager do not heal to epiphysis and child patient have taboo, and intramedullary nail system is not sudden and violent
Reveal fracture site, exist can not anatomical reduction and fracture site soft tissue incarceration may, have certain influence to union.
Chinese patent literature CN200920278252.5, the applying date 20091224, patent name are as follows: a kind of near end of thighbone marrow
Interior nail system discloses a kind of proximal femoral nail system, by a hollow intramedullary nail, one group of tail nail, a lag screw and friendship
It locks screw association to constitute, opens up oblique lag screw hole on the proximal end of intramedullary nail, open up what inter-locking screw passed through on opposite proximal end
Long slot hole；The lag screw hole of proximal end is the elliptical aperture for preventing its rotation；Lag screw is by rotating blade, sliding sleeve nut, connection spiral shell
Nail and connecting sleeve combination are constituted, wherein rotating blade top has one group of helicla flute, rotating blade tail portion and sliding sleeve nut
Front is equipped with mutual snappable end tooth；Rotating blade tail portion and sliding sleeve nut are connected by attachment screw realization, institute
On the sliding sleeve nut of the connector sleeve pipe sleeve stated after combining and rotating blade, the outer surface of the connecting sleeve is ellipse with intramedullary nail
The corresponding elliptic cylinder of circular hole.
Femoral bone tuberosity week of the proximal femoral nail system of above patent document particularly suitable for treating sufferers of osteoporosis face
Fracture is enclosed, convenient for being inserted into intramedullary nail from tuberosity vertex, facilitates surgical procedure.But be implanted into about one kind via fracture site,
Bone tissue is promoted to heal, it is easy to operate in art, fracture can be effectively fixed, patient is made more early to carry out the technology of effective functional training
Scheme is then without corresponding open.
In conclusion one kind is needed to be implanted into via fracture site, bone tissue is promoted to heal, it is easy to operate in art, it can be effective
Fixed fracture, makes patient more early carry out two parts intramedullary nail system of effective functional training, and about in this two parts marrow
Nail system yet there are no report.
Summary of the invention
The purpose of this utility model is aiming at the shortcomings in the prior art, to provide one kind and be implanted into via fracture site, promote
Bone tissue heals, easy to operate in art, can effectively fix fracture, patient is made more early to carry out two parts marrow of effective functional training
Interior nail system.
To achieve the above object, the technical scheme adopted by the utility model is that:
A kind of two parts intramedullary nail Fracture internal fixaiion system, the intramedullary nail Fracture internal fixaiion system include the portion intramedullary nail A
Part, intramedullary nail B component；The intramedullary nail A component is to be detachably connected with intramedullary nail B component；The intramedullary nail A component with
Intramedullary nail B component is provided with fixing screws；
The intramedullary nail A component is long tube type intramedullary nail；The free-end of the intramedullary nail A component is equipped with fixation hole；
The fracture end of the intramedullary nail A component is equipped with intramedullary nail a connecting component；
The intramedullary nail B component is long tube type intramedullary nail；The free-end of the intramedullary nail B component is equipped with fixation hole；
The fracture end of the intramedullary nail B component is equipped with intramedullary nail b connecting component, intramedullary nail b connecting component and intramedullary nail a connecting component
It is detachably connected；
As a kind of perferred technical scheme, the internal fixation system further includes intramedullary nail A component installation system, in marrow
Nail A component installation system is the multidirectional screw mounting device of band distal end.
As a kind of perferred technical scheme, the internal fixation system further includes fracture auxiliary device, the fracture
Auxiliary device includes strutting bar, pressure rod, swivelling chute, contact plate, connecting rod；The support rod is the structure type of gear,
Support rod is connected on contact plate；The contact plate is equipped with swivelling chute, and connecting rod is connect by swivelling chute with pressure rod.
As a kind of perferred technical scheme, which is characterized in that the intramedullary nail a connecting component is equipped with a bayonet, and
Intramedullary nail a connecting component is nut structure；The intramedullary nail b connecting component is equipped with b bayonet, and intramedullary nail b connecting component
For helicitic texture.
As a kind of perferred technical scheme, the intramedullary nail a connecting component is equipped with a bayonet, and intramedullary nail a connection
Component is hold-doun nut structure；The intramedullary nail b connecting component is equipped with b bayonet, and intramedullary nail b connecting component is movable screw
Line structure.
As a kind of perferred technical scheme, the intramedullary nail a connecting component is equipped with insertion chamber, and the insertion chamber is
Square structure；Running through in the insertion chamber has lock hole；The intramedullary nail b connecting component is equipped with chimeric block, on the chimeric block
Through there is a lock hole, and the lock hole is corresponding with the insertion perforative lock hole of chamber；Lock screw is equipped in the lock hole.
As a kind of perferred technical scheme, the intramedullary nail a connecting component is equipped with the first lateral half section and the
One longitudinal half section, the described first lateral half section are equipped with the first V-notch；The first longitudinal direction half section is equipped with first
Jack；The end of the intramedullary nail a connecting component is equipped with the first inserted block；It is horizontal that the intramedullary nail b connecting component is equipped with second
To half section and second longitudinal direction half section, the described second lateral half section is equipped with the second V-notch；The second longitudinal direction half
Face is equipped with the second jack；The end of the intramedullary nail a connecting component is equipped with the second inserted block；Second inserted block and first is inserted
Hole matches；Second jack is matched with the first inserted block；First V-notch and the second V-notch assemble shape
Locking square hole is formed under state, is equipped with clamping block in locking square hole.
The utility model advantage is:
A kind of two parts intramedullary nail Fracture internal fixaiion system of the utility model, is implanted into via fracture site, promotes bone group
Healing is knitted, structure is simple, and design is rationally, easy to operate in art, can effectively fix fracture, patient is made more early to carry out effective function
It takes exercise；
2, the utility model is suitable for various simple or complicated long bone shaft fracture, and the children not closed to epiphysis and blueness are few
Year long bone shaft fracture is also applicable in, not damaged epiphysis and metaphysis risk；
3, it is equipped with auxiliary device, struts, reset and pressurizes, it can be by the reduction of the fracture to anatomical position, if it is desired, can also lead to
The fixed free sclerite of the devices such as overtension band；
4, intramedullary nail B component can be to be detachably connected with the connection between intramedullary nail A component, which can be through bone
Fracture end implantation, can remove fracture site incarceration soft tissue and the tissue of other influences union, is conducive to bone tissue morning
The growth of phase is healed；
5, the internal fixation system is not related to bone dermoskeleton membranous system, is conducive to the bone tissue healing of fracture surgery, reduces fracture
The risk of delayed union and disunion；
6, intramedullary nail B component can be threadedly coupled with the connection between intramedullary nail A component using being threadedly coupled so that intramedullary nail
A component can be fixed effectively with intramedullary nail B component, not easily to fall off；
7, intramedullary nail B component can be adjustable with the threaded connection section between intramedullary nail A component, adjusts be threadedly coupled as needed
The length of section, it is ensured that fixed effect is definite, realizes precisely fixed；
8, it by the way that chimeric block to be inserted into insertion chamber, and is locked by lock screw, the effect of the design scheme is:
Can Fast Installation, structure is simple, easy to operate；
9, intramedullary nail B component can be designed with the connection between intramedullary nail A component using joinery and its construction, be carried out from multiple directions
Interior fixation, interior fixed effect are definite.
Detailed description of the invention
Attached drawing 1 is a kind of structural block diagram of two parts intramedullary nail Fracture internal fixaiion system of the utility model.
Attached drawing 2 is schematic diagram under intramedullary nail A component and intramedullary nail B component assembling state.
Attached drawing 3 is the structural schematic diagram of intramedullary nail A component.
Attached drawing 4 is the structural schematic diagram of intramedullary nail B component.
Attached drawing 5 is intramedullary nail A component installation system structural schematic diagram.
Attached drawing 6 is fracture assistant apparatus structure schematic diagram.
Attached drawing 7 is the detachable connection method structural schematic diagram in embodiment 2.
Attached drawing 8 is the detachable connection method structural schematic diagram in embodiment 3.
Attached drawing 9 is the detachable connection method structural schematic diagram in embodiment 4.
Attached drawing 10 is the assembled state schematic diagram in embodiment 5.
Attached drawing 11 is the assembly and disassembly status diagram in embodiment 6.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment provided by the utility model.
Appended drawing reference involved in attached drawing and component part are as follows:
1. 11. fixation hole of intramedullary nail A component
12. intramedullary nail a connecting component 121.a bayonet
122. being embedded in 123. first transversal cross-section of chamber
124. 125. first inserted block of the first jack
126. 127. first longitudinal direction section of the first V-notch
2. intramedullary nail B component
21. intramedullary nail b connecting component 211.b bayonet
The lateral half section of 212. chimeric block 213. second
214. second jack, 215. second inserted block
216. second V-notch, 217. second longitudinal direction half section
3. fixing screws
4. 41. lock hole of lock screw
5. clamping block 51. locks square hole
The auxiliary device 6. intramedullary nail A component installation system 7. is fractured
71. strutting 72. pressure rod of bar
73. 74. contact plate of swivelling chute
76. connecting rod
Embodiment 1
Fig. 1 is please referred to, Fig. 1 is a kind of structural block diagram of two parts intramedullary nail Fracture internal fixaiion system of the utility model.
A kind of two parts intramedullary nail Fracture internal fixaiion system, the intramedullary nail Fracture internal fixaiion system include intramedullary nail A component 1, in marrow
Follow closely B component 2, intramedullary nail A component installation system 6, fracture auxiliary device 7.
Referring to figure 2., Fig. 2 is schematic diagram under intramedullary nail A component 1 and 2 assembled state of intramedullary nail B component.In the marrow
Nail A component 1 and intramedullary nail B component 2 is to be detachably connected；The intramedullary nail A component 1 and intramedullary nail B component 2 is provided with fixation
Screw 3.
Referring to figure 3., Fig. 3 is the structural schematic diagram of intramedullary nail A component 1.The intramedullary nail A component 1 is long tube type marrow
Interior nail；The free-end of the intramedullary nail A component 1 is equipped with fixation hole 11；The fracture end of the intramedullary nail A component 1 is equipped in marrow
Follow closely a connecting component 12.
Referring to figure 4., Fig. 4 is the structural schematic diagram of intramedullary nail B component 2.The intramedullary nail B component 2 is long tube type marrow
Interior nail；The free-end of the intramedullary nail B component 2 is equipped with fixation hole 11；The fracture end of the intramedullary nail B component 2 is equipped in marrow
B connecting component 21 is followed closely, intramedullary nail b connecting component 21 and intramedullary nail a connecting component 12 is detachably connected.
Referring to figure 5., Fig. 5 is 6 structural schematic diagram of intramedullary nail A component installation system.The intramedullary nail A component installs system
System 6 is the multidirectional screw mounting device of band distal end；The intramedullary nail A component installation system 6 can pass through intramedullary nail A component 1
Fracture end implantation fracture one end, becomes reference after being fixed temporarily.
Fig. 6 is please referred to, Fig. 6 is fracture 7 structural schematic diagram of auxiliary device.The fracture auxiliary device 7 includes strutting bar
71, pressure rod 72, swivelling chute 73, contact plate 74, connecting rod 75；The support rod is the structure type of gear, and support rod connects
It connects on contact plate 74；The contact plate 74 is equipped with swivelling chute 73, and connecting rod 75 is connected by swivelling chute 73 and pressure rod 72
It connects.The fracture auxiliary device 7 struts, resets and pressurizes for fracturing, and is ginseng with intramedullary nail A component 1 under use state
According to, across after fracture line in another broken ends of fractured bone of fracturing far from being temporarily implanted at fracture line, by the reseting fracture after operation such as strutting, rotating
The broken ends of fractured bone can also pressurize if needed.
The embodiment it should be understood that
Intramedullary nail B component 2 can be implanted into simultaneously with intramedullary nail A component 1, or be implanted into after fracture site struts, disconnected in fracture
End struts, under the conditions of both ends long bone axes recovery of fracturing, and coincide through intramedullary nail b connecting component 21 and intramedullary nail a connecting component 12
After fix, become complete intramedullary nail；2 mounting device of intramedullary nail B component is reference by intramedullary nail A component 1, and installation is fixed
Intramedullary nail A component 1 is finally fixed temporarily object/object of reference and is changed to permanent fixture by screw 3.
Intramedullary nail B component 2 can be to be detachably connected with the connection between intramedullary nail A component 1, which can be through bone
Fracture end implantation, can remove fracture site incarceration soft tissue and the tissue of other influences union, is conducive to bone tissue morning
The growth of phase is healed.Suitable for various simple or complicated long bone shaft fracture, the children not closed to epiphysis and teenager's long bone
Dry fracture is also applicable in, not damaged epiphysis and metaphysis risk.
Equipped with auxiliary device, struts, resets and pressurize, it can be by the reduction of the fracture to anatomical position, if it is desired, can also pass through
The fixed free sclerite of the devices such as tension band.
A kind of installation method of two parts intramedullary nail Fracture internal fixaiion system of the utility model is:
1. taking suitable cut to enter from fracture site plane, exposure fracture site installs intramedullary nail A component 1, fixed fracture
Distally anti-rotational (1-2 pieces) screw pierces 2 pieces of Kirschner wire/steinman pins through remaining nail hole duct and is fixed temporarily；(when conditions permit
It is implanted into intramedullary nail B component 2 simultaneously)
It is installed on above Kirschner wire/steinman pin 2. fracture will be used for and strut/reset/auxiliary device to pressurize, it is another in fracture
One broken ends of fractured bone pierces 1-2 pieces of Kirschner wire/steinman pin far from fracture line position (2 length of astragalus fold line distance > intramedullary nail B component)；
3. strutting fracture site, the intramedullary nail B component 2 that can not be implanted into step 1 can be implanted into after fracture site struts, even
Connect two component of intramedullary nail A, B；
4. resetting, the pressurized fracture broken ends of fractured bone；
Fixed 5. intramedullary nail B component 2 (being fixed through multiple and different directions), removes fracture and strut/reset/pressurizing device and institute
There is Kirschner wire/steinman pin, intramedullary nail part A residue nail hole screw is fixed.The installation of intramedullary nail internal fixation system terminates.
Embodiment 2
Fig. 7 is please referred to, Fig. 7 is the detachable connection method structural schematic diagram in embodiment 2.The present embodiment and embodiment 1
It is essentially identical, the difference is that, the intramedullary nail a connecting component 12 in the present embodiment is equipped with a bayonet 121, and intramedullary nail a
Connecting component 12 is nut structure；The intramedullary nail b connecting component 21 is equipped with b bayonet 211, and intramedullary nail b connecting component
21 be helicitic texture.
It in the present embodiment, is connected through a screw thread in intramedullary nail a connecting component 12 and intramedullary nail b connecting component 21, screw thread connects
It connects and intramedullary nail A component 1 and intramedullary nail B component 2 is effectively fixed, it is not easily to fall off；By in a bayonet 121 and b bayonet 211
It is inserted into locking member, can be realized and intramedullary nail A component 1 and intramedullary nail B component 2 is further fixed, prevent intramedullary nail A component 1
It is pressurized and shifts with intramedullary nail B component 2.
Embodiment 3
Fig. 8 is please referred to, Fig. 8 is the detachable connection method structural schematic diagram in embodiment 3.The present embodiment 1 and embodiment 1
It is essentially identical, the difference is that, the intramedullary nail a connecting component 12 in the present embodiment is equipped with a bayonet 121, and intramedullary nail a
Connecting component 12 is hold-doun nut structure；The intramedullary nail b connecting component 21 is equipped with b bayonet 211, and intramedullary nail b connection
Component 21 is movable whorl structure.
The embodiment is it should be understood that intramedullary nail a connecting component 12 and the threaded connection in intramedullary nail b connecting component 21
The length of section is adjustable, and the corresponding interior fixed force generated of different connections is different, and the different bones of different patients
Type is rolled over, the interior fixed force needed is difference, in the way of the present embodiment, can be adjusted according to the needs the length of threaded connection section
Degree, it is ensured that fixed effect is definite, realizes precisely fixed.
Embodiment 4
Fig. 9 is please referred to, Fig. 9 is the detachable connection method structural schematic diagram in embodiment 4.The present embodiment and embodiment 1
It is essentially identical, the difference is that, the intramedullary nail a connecting component 12 in the present embodiment is equipped with insertion chamber 122, the insertion
Chamber 122 is square structure；Running through in the insertion chamber 122 has lock hole；The intramedullary nail b connecting component 21 is equipped with chimeric block
212, through there is lock hole on the chimeric block 212, and the lock hole is corresponding with the perforative lock hole of chamber 122 is embedded in；The lock
Determine to be equipped with lock screw 4 in hole.
The embodiment it should be understood that intramedullary nail a connecting component 12 and intramedullary nail b connecting component 21 by by chimeric block
In 212 insertion insertion chambers 122, and locked by lock screw 4, the effect of the design scheme is: can Fast Installation, knot
Structure is simple, easy to operate.
Embodiment 5
Figure 10 and Figure 11 are please referred to, Figure 10 is the assembled state schematic diagram in embodiment 5.Figure 11 is the dress in embodiment 6
With disassembly status schematic diagram.The present embodiment is substantially the same manner as Example 1, the difference is that, the intramedullary nail a in the present embodiment
Connecting component 12 is equipped with the first lateral half section 123 and first longitudinal direction half section 127, on the described first lateral half section 123
Equipped with the first V-notch 126；The first longitudinal direction half section 127 is equipped with the first jack 124；The intramedullary nail a connecting component
12 end is equipped with the first inserted block 125；The intramedullary nail b connecting component 21 is equipped with the second lateral half section 213 and second
Longitudinal half section 217, the described second lateral half section 213 are equipped with the second V-notch 216；The second longitudinal direction half section 217
It is equipped with the second jack 214；The end of the intramedullary nail a connecting component 12 is equipped with the second inserted block 215；Second inserted block
215 match with the first jack 124；Second jack 214 is matched with the first inserted block 125；First V-notch
126 and 216 assembled state of the second V-notch under formed locking square hole 51, locking square hole 51 in be equipped with clamping block 5.
The embodiment is it should be understood that intramedullary nail a connecting component 12 and intramedullary nail b connecting component 21 use joinery and its construction
Design has following technical effect that 1. during installation, it is only necessary to which one of jack is inserted into another inserted block, peace
Dress is quickly and accurate；2. intramedullary nail a connecting component 12 and intramedullary nail b connecting component 21 from multiple directions carry out in it is fixed, such as the
Fixation between one jack 124 and the second inserted block 215, the fixation between the second jack 214 and the first inserted block 125；Clamping block 5 with
The fixation between square hole 51 is locked, is fixed respectively from longitudinal direction and laterally, fixed effect is definite.
A kind of two parts intramedullary nail Fracture internal fixaiion system of the utility model, is implanted into via fracture site, promotes bone group
Healing is knitted, structure is simple, and design is rationally, easy to operate in art, can effectively fix fracture, patient is made more early to carry out effective function
Forging；The utility model is suitable for various simple or complicated long bone shaft fracture, the children not closed to epiphysis and teenager's long bone
Dry fracture is also applicable in, not damaged epiphysis and metaphysis risk；Equipped with auxiliary device, struts, resets and pressurize, it can be by the reduction of the fracture
To anatomical position, if it is desired, can also pass through the fixed free sclerite of the devices such as tension band；Intramedullary nail B component 2 can be with intramedullary nail
Connection between A component 1 is to be detachably connected, which can be implanted into through fracture site, can be soft by fracture site incarceration
Tissue and the tissue of other influences union are removed, and the growth healing of bone tissue early stage is conducive to；The internal fixation system does not relate to
And bone dermoskeleton membranous system, be conducive to the bone tissue healing of fracture surgery, reduce the risk of fracture delayed union and disunion；In marrow
Nail B component 2 can be threadedly coupled with the connection between intramedullary nail A component 1 using being threadedly coupled so that in intramedullary nail A component 1 and marrow
Nail B component 2 can be fixed effectively, not easily to fall off；Intramedullary nail B component 2 can be adjustable with the threaded connection section between intramedullary nail A component 1,
The length of threaded connection section is adjusted as needed, it is ensured that fixed effect is definite, realizes precisely fixed；By the way that chimeric block 212 is inserted
Enter to be embedded in chamber 122, and locked by lock screw 4, the effect of the design scheme is: can Fast Installation, structure letter
It is single, it is easy to operate；Intramedullary nail B component 2 can be designed with the connection between intramedullary nail A component 1 using joinery and its construction, from multiple directions
Fixed in carrying out, interior fixed effect is definite.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvement and supplement under the premise of not departing from the utility model method, these are improved and supplement
Also it should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of two parts intramedullary nail Fracture internal fixaiion system, which is characterized in that the intramedullary nail Fracture internal fixaiion system includes
Intramedullary nail A component, intramedullary nail B component；The intramedullary nail A component is to be detachably connected with intramedullary nail B component；In the marrow
Nail A component and intramedullary nail B component are provided with fixing screws；
The intramedullary nail A component is long tube type intramedullary nail；The free-end of the intramedullary nail A component is equipped with fixation hole；It is described
The fracture end of intramedullary nail A component is equipped with intramedullary nail a connecting component；
The intramedullary nail B component is long tube type intramedullary nail；The free-end of the intramedullary nail B component is equipped with fixation hole；It is described
The fracture end of intramedullary nail B component is equipped with intramedullary nail b connecting component, and intramedullary nail b connecting component and intramedullary nail a connecting component are removable
Unload connection.
2. two parts intramedullary nail Fracture internal fixaiion system according to claim 1, which is characterized in that the interior fixed system
System further includes intramedullary nail A component installation system, and intramedullary nail A component installation system is the multidirectional screw mounting device of band distal end.
3. two parts intramedullary nail Fracture internal fixaiion system according to claim 1, which is characterized in that the interior fixed system
System further includes fracture auxiliary device, and the fracture auxiliary device includes strutting bar, pressure rod, swivelling chute, contact plate, connection
Bar；Described struts the structure type that bar is gear, struts bar and is connected on contact plate；The contact plate is equipped with rotation
Slot, connecting rod are connect by swivelling chute with pressure rod.
4. two parts intramedullary nail Fracture internal fixaiion system according to claim 1, which is characterized in that the intramedullary nail a
Connecting component is equipped with a bayonet, and intramedullary nail a connecting component is nut structure；The intramedullary nail b connecting component is equipped with b
Bayonet, and intramedullary nail b connecting component is helicitic texture.
5. two parts intramedullary nail Fracture internal fixaiion system according to claim 1, which is characterized in that the intramedullary nail a
Connecting component is equipped with a bayonet, and intramedullary nail a connecting component is hold-doun nut structure；It is set in the intramedullary nail b connecting component
There is b bayonet, and intramedullary nail b connecting component is movable whorl structure.
6. two parts intramedullary nail Fracture internal fixaiion system according to claim 1, which is characterized in that the intramedullary nail a
Connecting component is equipped with insertion chamber, and the insertion chamber is square structure；Running through in the insertion chamber has lock hole；The intramedullary nail
B connecting component is equipped with chimeric block, and running through on the chimeric block has lock hole, and the lock hole and the insertion perforative lock hole phase of chamber
It is corresponding；Lock screw is equipped in the lock hole.
7. two parts intramedullary nail Fracture internal fixaiion system according to claim 1, which is characterized in that the intramedullary nail a
Connecting component is equipped with the first lateral half section and first longitudinal direction half section, and the described first lateral half section is equipped with the first V-arrangement
Notch；The first longitudinal direction half section is equipped with the first jack；The end of the intramedullary nail a connecting component is equipped with the first inserted block；
The intramedullary nail b connecting component is equipped with the second lateral half section and second longitudinal direction half section, the described second lateral half section
It is equipped with the second V-notch；The second longitudinal direction half section is equipped with the second jack；The end of the intramedullary nail a connecting component
Equipped with the second inserted block；Second inserted block is matched with the first jack；Second jack is matched with the first inserted block；Institute
Locking square hole is formed under the first V-notch and the second V-notch assembled state stated, is equipped with locking in locking square hole
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658113.6U CN209091591U (en) | 2017-12-04 | 2017-12-04 | Two parts intramedullary nail Fracture internal fixaiion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658113.6U CN209091591U (en) | 2017-12-04 | 2017-12-04 | Two parts intramedullary nail Fracture internal fixaiion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209091591U true CN209091591U (en) | 2019-07-12 |
Family
ID=67145954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721658113.6U Expired - Fee Related CN209091591U (en) | 2017-12-04 | 2017-12-04 | Two parts intramedullary nail Fracture internal fixaiion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209091591U (en) |
-
2017
- 2017-12-04 CN CN201721658113.6U patent/CN209091591U/en not_active Expired - Fee Related
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