CN205514844U - Inboard bearing structure of thighbone neck and femoral neck fracture fixing device - Google Patents
Inboard bearing structure of thighbone neck and femoral neck fracture fixing device Download PDFInfo
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- CN205514844U CN205514844U CN201620115636.5U CN201620115636U CN205514844U CN 205514844 U CN205514844 U CN 205514844U CN 201620115636 U CN201620115636 U CN 201620115636U CN 205514844 U CN205514844 U CN 205514844U
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Abstract
The utility model relates to an inboard bearing structure of thighbone neck and femoral neck fracture fixing device, the inboard bearing structure of this thighbone neck includes supporting part and laminating fixed part, supporting part and the mutual fixed connection of laminating fixed part, the supporting part have with thighbone neck near -end downside assorted structure, the laminating fixed part has does upper end leading flank assorted structure with thighbone neck distal end leading flank and thighbone simultaneously, the laminating fixed part is in that structural be provided with at least one trompil that is used for passing the screw and upper end leading flank assorted is structural to be provided with at least one trompil that is used for passing the screw doing with the thighbone with thighbone neck distal end leading flank assorted. The utility model provides an inboard bearing structure of thighbone neck can well support the femoral neck fracture position, significantly reduced great torsional force and shearing force that the femoral neck fracture position bore, and supplementary fracture position pinpoints, has ensured stability and healing effect after femoral neck fracture resets effectively.
Description
Technical field
This utility model relates to technical field of medical instruments, especially relates to a kind of fixing to strengthen reset in fracture of femoral neck
Rear fixing reliability, thus the neck of femur medial support structure of beneficially union of fracture and fracture of femoral neck fixing device.
Background technology
Fracture of femoral neck is as the term suggests refer to fracture in neck of femur position, it is common that refer to that femoral head is down between base of nebk ot femur
Fracture, fracture of femoral neck is the modal fracture of hip, in the Hip Fracture case history of world statistics, fracture of femoral neck
Accounting for wherein 2/3rds, all it may happen that fracture of femoral neck in all age group, the fracture of femoral neck of young patient is mostly because of sternly
Heavily damage such as traffic accident or eminence is fallen the Intense Violence such as cause injury and is caused, but Most patients is usually older middle-aged and elderly people,
Mostly falling because of imprudence of walking, buttocks lands and causes, hip pain after wound, it is impossible to stands and walks, it is also possible to causes stock
The complication such as bone ischemic necrosis, it is complete that the most older patient is generally also accompanied by hypertension, heart disease, diabetes etc.
The disease of body, is unable to leave the bed after injured, and resistance declines to a great extent, and rehabilitation ability is the most poor, generally may cause number disease
Concurrently, therefore its mortality rate more typically fracture person is high, and therefore the treatment of fracture of femoral neck is the important of Osteopathic Medicine technical field research
One of problem.
Being dissected and biomechanics characteristic from neck of femur, there is obvious displacement, fracture shakiness in most of fracture of femoral neck
Calmly, i.e. fracture of femoral neck position (and femoral head) often bears bigger twisting resistance and shearing force, after impact fracture and reset thereof
Stability, thus impact in fixed effect, therefore disunion rate is higher than other fracture；And due to femoral head and neck of femur blood
The particularity of confession, easily causes blood supply to block, affects union of fracture, and cause ischemic necrosis of femoral head, subside during fracture
Etc. complication.The treatment of fracture of femoral neck generally comprises expectant treatment and operative treatment, in view of the nonunion rate of expectant treatment is high
Reaching more than 50%, the operative treatment that therefore the modern many promotions of orthopaedics are positive, operative treatment is fixed in generally comprising closed reduction, is cut
Open/open reduction in the therapeutic modality such as fixing, artificial joint (prosthese) replacement, wherein, although fixing wound in closed reduction
But less fixed effect is poor, artificial joint (prosthese) replacement wound is big, cost big and fixed effect depends on artificial joint
(prosthese) quality, therefore relatively frequently with therapeutic modality fixing in incision/open reduction, it generally includes the reduction of the fracture, interior solid
Determine mode to select to execute art three phases with drift bolt.The Different Internal Fixations for Femoral Neck Fractures several screw of many employings (such as three skies at present
Heart screw) fixed form and to use correspondingly drift bolt to execute art process specific as follows: screw is from femoral greater trochanter (i.e. greater trochanter)
Lower entrance, through femoral bone tuberosity position (i.e. greater trochanter position), neck of femur position (via fracture of femoral neck face) to femoral head
Position, to realize the effect of fixing fracture site (the femoral head position i.e. fractureed).But due to femoral head itself quality, with
And femoral head longitudinal pressure is caused the shearing force to fracture site the biggest, therefore to screw fixed position by patient body deadweight
Require the highest, if screw position is the best, the most easily causes the fixing difficulty of screw, cause solid failure, femoral neck bone what is more
Dislocate again and then nonunion occur in position, folding part；Even and if using more screw or use various screw arrangement mode with strengthening
Fixed effect, its stability is the most undesirable, and anti-rotational force and the twisting resistance of screw are poor, easily produces femoral head displacement,
Neck of femur disunion, femoral head varus, neck of femur malunion or neck of femur is caused to shorten；Particularly middle-older patient major part
Suffering from osteoporosis, these problems are the most prominent and serious.For the problems referred to above, current Different Internal Fixations for Femoral Neck Fractures is also
Including another mode, i.e. place blade plate and lock screw in greater trochanter of femur (greater trochanter) outside or base of nebk ot femur
Neck of femur position is entered so that fracture of femoral neck position to be fixed through blade plate.But this mode does not the most solve femoral neck bone
The problem that position, folding part (and femoral head) is caused fracture of femoral neck position to misplace by bigger twisting resistance and shearing force.
Utility model content
Fracture of femoral neck is generally fixed only with screw by this utility model in prior art, and fixing difficulty and stability are usual
The most undesirable, easily produce femoral head displacement and then the problem causing neck of femur disunion；And use at greater trochanter of femur (big
Tuberosity) outside or base of nebk ot femur place blade plate the most thoroughly solve femur so that fracture of femoral neck position to be fixed
The problem of fracture of cervical vertebra position dislocation, it is proposed that a kind of neck of femur medial support structure, use have with on neck of femur and femoral shaft
The structural support that the regions of anatomy such as end match and laminating fixed part, it is possible to fracture of femoral neck position is carried out excellent support,
I.e. at neck of femur inside line, fracture site (the femoral head position i.e. fractureed) can be played good support by supporting part to make
With, greatly reducing bigger twisting resistance and shearing force that fracture of femoral neck position is born, aids fracture position is accurately positioned, again
Position and healing, ensured the stability after fracture of femoral neck reset effectively.It is solid that this utility model further relates to a kind of fracture of femoral neck
Determine device.
The technical solution of the utility model is as follows:
A kind of neck of femur medial support structure, it is characterised in that include supporting part and laminating fixed part, described supporting part and laminating
Fixed part is mutually permanently connected, and described supporting part is for supporting femoral head and has the structure matched with neck of femur near-end downside,
With neck of femur distal forward face and femoral shaft upper end leading flank phase the while that described laminating fixed part being used for fixed support portion and has
The structure joined, described laminating fixed part is provided with at least one for passing in the structure matched with neck of femur distal forward face
The perforate of screw and be provided with at least one for the perforate through screw in the structure matched with femoral shaft upper end leading flank.
Described supporting part and laminating fixed part use integral forming process to be made.
Described laminating fixed part is provided with one for the perforate through screw in the structure matched with neck of femur distal forward face
And be provided with in the structure matched with femoral shaft upper end leading flank two for the perforate through screw, three perforates are triangle
Shape arranges.
Described laminating fixed part is provided with one for the perforate through screw in the structure matched with neck of femur distal forward face
And be provided with in the structure matched with femoral shaft upper end leading flank two for the perforate through screw, three perforates are linearly
Arrangement.
A kind of fracture of femoral neck fixing device, it is characterised in that include above-mentioned neck of femur medial support structure, also include for
At least two screw of resected femur neck medial support structure and outside the femoral shaft of resected femur head and femoral shaft locking knot
Structure, outside described femoral shaft, latch-up structure includes that at least two locking nail, each described screw are each passed through described laminating fixed part
The perforate of the structure matched with neck of femur distal forward face and the perforate of structure matched with femoral shaft upper end leading flank, institute
State locking nail to have more than femoral shaft upper end lateral surface to femoral neck bone fracture and then the length of the minimum range to femoral head screw-in
Degree.
Described locking nail is three, and described three locking nails are triangularly arranged；And/or, the row of being parallel to each other between described locking nail
Row.
Described screw is hollow screw or solid screw；And/or, described locking nail is hollow nail or solid nail.
Outside described femoral shaft, latch-up structure also includes lockplate, outside described lockplate has with femoral shaft lateral surface and/or greater trochanter
The structure that side matches, described lockplate is provided with in the structure matched with femoral shaft lateral surface and/or greater trochanter lateral surface
At least one is for the perforate through locking nail, and described locking nail is through the perforate of described lockplate.
The angle value scope of the angle between described locking nail and lockplate is 89 °～130 °.
Technique effect of the present utility model is as follows:
This utility model relates to a kind of neck of femur medial support structure, including being mutually permanently connected and being respectively provided with the support of ad hoc structure
Portion and laminating fixed part, the most i.e. supporting part have with neck of femur near-end (i.e. near the fracture end of heart) downside (or
Person says it is medial surface, it is also possible to include portions of lateral side) structure that matches, it is possible to fracture of femoral neck position is well propped up
Support, i.e. can play good hold at neck of femur inside line to fracture site (the femoral head position i.e. fractureed) by supporting part
Torr effect, with neck of femur far-end (i.e. away from the fracture end of heart) leading flank and femoral shaft upper end while that laminating fixed part having
The structure that leading flank matches, laminating fixed part and supporting part cooperate, and ideally achieve for fracture of femoral neck is effective
Supporting and fixing, greatly reduce bigger twisting resistance and shearing force that fracture of femoral neck position is born, aids fracture position is accurate
Location, has ensured the stability after fracture of femoral neck reset effectively.Outside this neck of femur medial support structure is passed through before conventional thigh
Side otch (i.e. conventional neck of femur internal fixation anterior limited thoracotomy Watson Jones otch) is with less wound
Can insert, due to fixing connection at an angle between supporting part and laminating fixed part, play good support and hold up femur
The effect of head, laminating fixed part matches in the structure matched with neck of femur distal forward face and with femoral shaft upper end leading flank
Structure on be provided with at least one for the perforate through screw, it is possible to play from privileged sites i.e. neck of femur distal forward face,
The most i.e. from the leading flank in the base of nebk ot femur region near intertrochanteric line, through fixation and the fixed effect of screw,
In art, damage surface and injury tolerance are less, and postoperation recovery and resume speed are very fast.The neck of femur medial support knot that the utility model proposes
Structure is particularly suited for the fracture of femoral neck situation of angle value α > 50 ° (the i.e. III type/interior receipts type) at Pauwels angle, particular for needing
Femoral head effectively to support to reduce the situation of twisting resistance and the shearing force born at fracture of femoral neck position, has ensured reset
The blood fortune of rear fracture site, improves healing rate and the healing effect of fracture of femoral neck, greatly reduces fracture bone does not connect etc. concurrent
The generation of disease.
This utility model further relates to a kind of fracture of femoral neck fixing device, including above-mentioned neck of femur medial support structure, at least two
Latch-up structure outside screw and femoral shaft, uses above-mentioned neck of femur medial support structure to realize fracture of femoral neck position/fracture and breaks
End (the femoral head position i.e. fractureed) carry out excellent support, outside femoral shaft at least two locking nail of latch-up structure from greater trochanter/
Greater trochanter lateral surface (and femoral shaft upper end lateral surface) inserts to enter neck of femur position (via fracture of femoral neck face) to stock
Bone position, fixes the effect of fracture site with further realization；When outside femoral shaft, latch-up structure also includes lockplate, lock
Cut to enter from greater trochanter/greater trochanter lateral surface (and femoral shaft upper end lateral surface) again after determining to follow closely the perforate initially passing through lockplate
Neck of femur position (via fracture of femoral neck face) is to femoral head position, and lockplate can realize strengthening femoral shaft and femur further
The connective stability of head, improves the healing rate of fracture of femoral neck.Latch-up structure and neck of femur medial support structure phase outside femoral shaft
Coordinate mutually, it is achieved that double effectively supporting and stablizing fixed effect of strengthening；And whole fracture of femoral neck fixing device can use
Conventional thigh anterior limited thoracotomy (i.e. conventional neck of femur internal fixation anterior limited thoracotomy Watson Jones otch)
Insert, say, that before outside femoral shaft, latch-up structure and neck of femur medial support structure all can be by same conventional thighs
Outside otch one is placed into, and does not increase prior art damage surface, injury tolerance and amount of bleeding, postoperation recovery speed, healing
Rate is high.
Accompanying drawing explanation
Fig. 1 is a kind of preferred structure front view of this utility model neck of femur medial support structure.
Fig. 2 is side-looking (45 ° of the left side) figure of Fig. 1.
Fig. 3 is the another kind of preferred structure front view of this utility model neck of femur medial support structure.
Fig. 4 is the structural representation of the use state of this utility model preferred neck of femur medial support structure.
Fig. 5 is the schematic diagram at Pauwels angle.
Fig. 6 is the structural representation of the use state of this utility model preferred fracture of femoral neck fixing device.
Fig. 7 is the structural representation of the use state of another preferred fracture of femoral neck fixing device of this utility model.
Fig. 8 is the right side view of Fig. 7.
Fig. 9 is a kind of preferred structure front view of this utility model lockplate.
In figure, each label lists as follows:
1-neck of femur medial support structure；10-supporting part；11-fits fixed part；1201-the first screw aperture；1202
-the second screw aperture；1203-the 3rd screw aperture；1301-the first screw；1302-the second screw；1303-the 3rd spiral shell
Nail；Latch-up structure outside 2-femoral shaft；20-lockplate；2101-the first locking nail perforate；2102-the second locking nail perforate；
2103-the 3rd locking nail perforate；2201-the first locking nail；2202-the second locking nail；2203-the 3rd locking nail；
α-Pauwels angle: β1Angle between-the first locking nail and lockplate；β2Between-the second locking nail and lockplate
Angle.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is illustrated.
This utility model relates to a kind of neck of femur medial support structure, solid including supporting part and laminating fixed part, supporting part and laminating
Determining portion to be mutually permanently connected, supporting part has, for supporting femoral head and this supporting part, the knot matched with neck of femur near-end downside
Structure, laminating fixed part for fixed support portion and this laminating fixed part have simultaneously with neck of femur distal forward face and femoral shaft
The end structure that matches of leading flank, or the fixed part that is not understood as fitting has the knot matched with neck of femur distal forward face simultaneously
Structure and the structure matched with femoral shaft upper end leading flank, laminating fixed part is in the structure matched with neck of femur distal forward face
On be provided with at least one for being provided with at least through the perforate of screw and in the structure matched with femoral shaft upper end leading flank
One for the perforate through screw.
Preferably, above-mentioned supporting part and laminating fixed part can use seamless link technology be made or use integral forming process
It is made, and stainless steel material or other metal alloy compositions can be used to be made, concrete processing technology and making material
Material specifically can be arranged according to practical situations, includes but not limited to that above-mentioned scope limits.
A kind of preferred structure of the neck of femur medial support structure 1 that the utility model proposes as depicted in figs. 1 and 2, wherein, is schemed
1 is front view, and Fig. 2 is 45 ° of left side side view, and neck of femur medial support structure 1 includes supporting part 10 and laminating fixed part 11,
Supporting part 10 and laminating fixed part 11 are mutually permanently connected, and shown in dotted line its of supporting part 10 has and (i.e. lean on neck of femur near-end
The fracture end of nearly heart) downside (or perhaps medial surface, it is also possible to include part leading flank) structure of matching (i.e. props up
Support part 10 has the bending/arcuate structure and corresponding medial surface, Fig. 1 and Fig. 2 matched with neck of femur near-end medial surface position
Not shown in its stereoeffect), laminating fixed part 11 be the part beyond supporting part 10, this laminating fixed part 11 has simultaneously
And (i.e. supporting part 11 has and near between rotor the structure that neck of femur far-end (i.e. away from the fracture end of heart) leading flank matches
Bending/arcuate structure that the leading flank in the base of nebk ot femur region of line matches and corresponding medial surface, in Fig. 1 and Fig. 2 not
Its stereoeffect is shown) and match with femoral shaft upper end leading flank structure (i.e. supporting part 11 have with femoral shaft upper end before
Bending/arcuate structure that side matches and corresponding medial surface, its stereoeffect not shown in Fig. 1 and Fig. 2), laminating is solid
Determine portion 11 and there are two for the perforate through screw: the first screw aperture 1201 and the second screw aperture 1202, and the first spiral shell
The position of nail perforate 1201, by special setting, is arranged on the structure matched with neck of femur distal forward face of laminating fixed part 11
On, to play special fixation i.e. by laminating fixed part 11 fixed support portion 10 and then play the holding to femoral head position
With fixed effect.Second screw aperture 1202 is arranged on the structure matched with femoral shaft upper end leading flank of laminating fixed part 11
On.Preferably, supporting part 10 and laminating fixed part 11 can use integral forming process to be made, and supporting part 10 He
The laminating size of fixed part 11 and detail setting can be according to the concrete anatomical datas of individual patients and combine historical experience number
Rationally arrange according to experimental data.The neck of femur medial support structure 1 that the utility model proposes uses and includes integrated support
Portion 10 and the structure of laminating fixed part 11, supporting part 10 uses to be had and neck of femur near-end (below femoral head) region of anatomy phase
The structure of coupling, it is possible to fracture of femoral neck position carries out excellent support, i.e. can be by supporting part 10 at neck of femur inside line
Fracture of femoral neck position/fracture site (the femoral head position i.e. fractureed) is played good support effect, greatly reduces femur
Bigger twisting resistance that fracture of cervical vertebra position is born and shearing force, aids fracture position is accurately positioned, and has effectively ensured femoral neck bone
Stability after folding reset；Laminating fixed part 11 uses to have and solves with neck of femur distal forward face and femoral shaft upper end leading flank etc.
Cut open the structure that position matches, Appropriate application human anatomy data structure, it is possible to realize in base of nebk ot femur zone location solid
Fixed, it is possible to play good laminating, fixation, ensure that aids fracture position is accurately positioned, resets and heals, and has further
Solve fracture of femoral neck position (and femoral head) to effect and caused fracture of femoral neck position by bigger twisting resistance and shearing force
The problem of dislocation.
The another kind of preferred structure front view of the neck of femur medial support structure 1 that the utility model proposes as it is shown on figure 3, wherein,
Neck of femur medial support structure 1 includes supporting part 10 and the laminating fixed part being mutually permanently connected and being respectively provided with ad hoc structure equally
11, the difference with Fig. 1 and embodiment illustrated in fig. 2 is, the laminating fixed part 11 of embodiment illustrated in fig. 3 has three for passing
The perforate of screw: the first screw aperture the 1201, second screw aperture 1202 and the 3rd screw aperture 1203, and the first screw opens
The position in hole 1201 is by special setting, in the structure matched with neck of femur distal forward face being arranged on laminating fixed part 11,
To play special fixation i.e. by laminating fixed part 11 fixed support portion 10 and then play the holding to femoral head position with solid
Determine effect.Second screw aperture 1202 and the 3rd screw aperture 1203 be arranged at fit fixed part 11 with femoral shaft upper end before
In the structure that side matches.Additionally, as it is shown on figure 3, first screw aperture the 1201, second screw aperture 1202 and the 3rd
Screw aperture 1203 can be triangularly arranged, naturally it is also possible to is arranged in a linear, and its spread geometry can arbitrarily set only to be needed to protect
Card can play effective fixation and as much as possible ensure less to patient's damage in actual use；And it is solid to fit
Determine portion 11 can also arrange more than three for the perforate through screw, its number and spread geometry can set according to the actual requirements
Fixed, only need to guarantee play effective fixation and as much as possible ensure less to patient's damage in actual use.
Operation principle and the using method of the neck of femur medial support structure 1 that the utility model proposes are described as follows:
The structural representation of the use state of the preferred neck of femur medial support structure 1 that the utility model proposes as shown in Figure 4,
In actual use, by conventional thigh anterior limited thoracotomy (i.e. conventional neck of femur internal fixation anterior limited thoracotomy
Watson Jones otch), neck of femur medial support structure 1 as shown in Figure 1, Figure 2 and Figure 3 can be inserted, will prop up
Support part 10 is placed in below femoral head, inside neck of femur near-end and position, front side, the medial surface of supporting part 10 and neck of femur near-end
Medial surface and can be part neck of femur near-end leading flank be in close contact (medial surface of supporting part 10 is also extend to and stock
The part downside of bone is in close contact, i.e. the fore-end of supporting part 10 can extend to below femoral head) play good propping up
Bracketing plays capital effect.Laminating fixed part 11 implantation site is at base of nebk ot femur position to femoral shaft upper-end part of driving, patch
The upper inner face closing fixed part 11 is in close contact with i.e. neck of femur distal forward face, base of nebk ot femur position, fixed part 11 of fitting
The leading flank of middle and lower part medial surface and femoral shaft upper end be in close contact.Supporting part 10 and laminating fixed part 11 cooperate, complete
Achieve effectively supporting and fixing for fracture of femoral neck beauteously, greatly reduce the bigger torsion that fracture of femoral neck position is born
Turning power and shearing force, aids fracture position is accurately positioned, and has effectively ensured the stability after fracture of femoral neck reset.In Fig. 4
Shown embodiment uses the neck of femur medial support structure 1 as shown in Figure 3 with three perforates, laminating fixed part 11
First screw aperture the 1201, second screw aperture 1202 and the second screw aperture 1203 be respectively used to through the first screw 1301,
Second screw 1302 and the 3rd screw 1303 are to play the effect of resected femur neck medial support structure 1, and the first screw aperture
1201 enable in particular to play the fixation passing the first screw 1301 from privileged sites i.e. neck of femur distal forward face position with solid
Determine effect, and the first screw 1301 passing the first screw aperture 1201 can be according to the tool of neck of femur distal forward face position
Body anatomical data and structure are chosen suitable angle and are penetrated, through the second screw aperture 1202 and the second screw aperture 1203
Second screw 1302 and the 3rd screw 1303 can be chosen suitable angle from the leading flank of femoral shaft upper end and penetrate, and does not increase existing
Have damage surface, injury tolerance and an amount of bleeding in technology art, and damage surface and injury tolerance would generally less, amount of bleeding less, art
Rear healing and resume speed are very fast.Additionally, embodiment as shown in Figure 4, first screw the 1301, second screw 1302 and
Three screws 1303 are cut at a certain angle from the leading flank position of neck of femur distal forward face position and femoral shaft upper end respectively, figure
The body of screw part of each screw of " dotted border and the interior filling vertical grid shape " shown in 4 represents the first screw 1301 respectively
The body of screw part throwing on the vertical plane of body of screw part, the body of screw part of the second screw 1302 and the 3rd screw 1303
Shadow.
Additionally, the neck of femur medial support structure 1 that the utility model proposes, it is commonly available to Pauwels as shown in Figure 5
The fracture of femoral neck situation of angle value α > 50 ° (the i.e. III type/interior receipts type) at angle (i.e. angle [alpha]).Pauwels angle typically refers to stock
The angle that during bone fracture of cervical vertebra, fracture line and two interiliac lines are formed, as it is shown in figure 5, generally comprise three types: I type: α < 30 °,
For stable fracture, having intercalation, shearing is little, more stable, and healing rate is higher more, the most available continuous traction treatment, if but processing not
When being shifted over, transfer instability mode that is III type to；II type: 30 °≤α≤50 °, stability circle of fracture in I type and III type it
Between；III type: α > 50 °, for unstable fracture, having displacement, shearing is big more, and fixing difficulty, healing rate is relatively low.From the foregoing, it will be observed that
The angle at Pauwels angle is the biggest, and shearing is the biggest, then fracture the most unstable, it usually needs internal fixation treatment.This utility model carries
The neck of femur medial support structure 1 gone out, in the case of exactly emphasis is for fracture of femoral neck reduction fixation, due to fracture of femoral neck
Position (and femoral head) is caused the dislocation of fracture of femoral neck position, existing interior fixing side by bigger twisting resistance and shearing force
Formula less stable and then cause defect and the deficiency of neck of femur disunion, is therefore preferably applied to the angle value at Pauwels angle
The fracture of femoral neck situation of α > 50 ° (i.e. III type), it is possible to especially near-end position, fracture of femoral neck position is carried out excellent support,
Greatly reducing bigger twisting resistance and shearing force that fracture of femoral neck position is born, aids fracture position is accurately positioned, effectively
The stability after fracture of femoral neck reset and healing effect are ensured.
This utility model further relates to a kind of fracture of femoral neck fixing device, including neck of femur medial support structure, the outer side chain of femoral shaft
Fixed structure and at least two screw, wherein, neck of femur medial support structure uses above-mentioned neck of femur medial branch as shown in Fig. 14
Support structure 1, screw be used for resected femur neck medial support structure, each screw be each passed through laminating fixed part with neck of femur far-end
The perforate of the structure that leading flank matches and the perforate of structure matched with femoral shaft upper end leading flank, the outer side lock of femoral shaft
Structure is used for resected femur head and femoral shaft, and outside femoral shaft, latch-up structure includes at least two locking nail, and locking nail has and is more than
Femoral shaft upper end lateral surface is to femoral neck bone fracture and then the length of the minimum range to femoral head screw-in, preferably to away from femoral head
At subchondral bone 1cm.
Outside femoral shaft, latch-up structure preferably can also include lockplate, outside lockplate has with femoral shaft lateral surface and/or greater trochanter
The structure that side matches, lockplate is provided with at least in the structure matched with femoral shaft lateral surface and/or greater trochanter lateral surface
One constitutes stock for the perforate through locking nail, locking nail through the perforate of lockplate, the structure including lockplate and locking nail
Latch-up structure outside backbone.
The structural representation of the use state of preferred fracture of femoral neck fixing device as shown in Figure 6, including above-mentioned such as Fig. 3
1, three screws of shown neck of femur medial support structure and two locking nails, wherein, three screws be the first screw 1301,
Second screw 1302 and the 3rd screw 1303, each screw is each passed through perforate (i.e. first screw aperture of laminating fixed part 11
1201, the second screw aperture 1202 and the 3rd screw aperture 1203, not shown in Fig. 6), the first screw 1301 is through laminating
The perforate (the i.e. first screw aperture 1201) of the structure matched with neck of femur distal forward face of fixed part 11, the second screw 1302
With the 3rd screw 1303 through perforate (i.e. second spiral shell of the structure matched with femoral shaft upper end leading flank of laminating fixed part 11
Nail perforate 1202 and the 3rd screw aperture 1203)；Two locking nails are the first locking nail 2201 and the second locking nail 2202, respectively
Locking nail has the length more than greater trochanter/greater trochanter lateral surface to femoral neck bone fracture minimum range.Preferably, corresponding patch
Close the perforate number on fixed part 11, and corresponding screw number may be arranged as more, and can be mutual between screw
Arranged in parallel or wherein partly or entirely mutually arrange at an angle, and can also be in one between screw and laminating fixed part 11
Determining angle to arrange, screw can choose hollow screw or solid screw, its screw number, screw spread geometry and screw and patch
Close angle between fixed part 11 can set according to the actual requirements, only need to guarantee to play effective fixation and as much as possible
Ensure less to patient's damage in actual use；Locking nail can be chosen for hollow nail or solid nail, can be preferably energy
Enough realization resists twisting resistance and the hollow or solid nail of anti-rotation of shearing force, the most hollow or solid nail, and the locking rivet nut of locking nail is straight
Footpath may range from 3.5mm～7.5mm, in embodiment the most as shown in Figure 6, and the locking rivet nut of the first locking nail 2201
A diameter of 6.5mm, a diameter of 4.5mm of locking rivet nut of the second locking nail 2201, the locking rivet nut fore-end of each locking nail is also
Can be threaded to strengthen locking effect further, locking nail number can also be more, and can be mutual between locking nail
Arranged in parallel or wherein partly or entirely mutually arrange at an angle, and locking nail and greater trochanter/greater trochanter lateral surface, femur
Can also arrange between the lateral surface of dry upper end that (the i.e. first locking nail 2201 is permissible with greater trochanter/greater trochanter lateral surface at an angle
Arrange at an angle；Can arrange at an angle between second locking nail 2202 and femoral shaft upper end lateral surface；3rd locking
Nail 2203 enters to femoral shaft upper-end part of driving from femoral shaft upper end lateral surface and can arrange at an angle), made by rational deployment
Obtain each locking nail and undertake different stress respectively, it is achieved aids fracture position is accurately positioned and stablizes replacement and fixation；Also by adjusting lock
The angle of fixed nail incision fracture of femoral neck cross section place and locking nail incision femoral neck bone fracture improves fix tightly soundness with steady
Fixed degree, between its locking nail number, locking nail spread geometry, locking nail and greater trochanter/greater trochanter lateral surface, femoral shaft lateral surface
Angle and locking nail incision fracture of femoral neck cross section place and angle can set according to the actual requirements, only need to guarantee to play
Effectively fixation and as much as possible ensure less to patient's damage in actual use.
The structural representation such as Fig. 7 of another kind of preferably the uses state of fracture of femoral neck fixing device that the utility model proposes with
Shown in Fig. 8, wherein, Fig. 7 is front view, and Fig. 8 is right side view, including above-mentioned neck of femur medial branch as shown in Figure 3
Latch-up structure 2 outside 1, three screws of support structure and femoral shaft, wherein, three screws are first screw the 1301, second screw
1302 and the 3rd screw 1303, each screw is each passed through perforate (i.e. first screw aperture 1201, second of laminating fixed part 11
Screw aperture 1202 and the 3rd screw aperture 1203, not shown in Fig. 7 and Fig. 8), outside femoral shaft, latch-up structure 2 includes lock
Determining plate 20 and three locking nails, three locking nails are the first locking nail the 2201, second locking nail 2202 and the 3rd locking nail 2203,
Locking nail has the length more than greater trochanter/greater trochanter lateral surface to femoral neck bone fracture minimum range, the type of locking nail, knot
Structure, size arrange the embodiment being referred to as shown in above-mentioned Fig. 6；Additionally, as it is shown in fig. 7, lockplate 20 have with greatly
The structure that rotor/greater trochanter lateral surface and femoral shaft upper end lateral surface match, can use stainless steel material or other metal to close
Gold copper-base alloy integral forming process is made, and the concrete structure shape of lockplate 20, processing technology and making material can be according to realities
Border applicable cases is specifically arranged, and includes but not limited to that above-mentioned scope limits, and lockplate 20 has three for opening through locking nail
Hole, the first locking nail perforate the 2101, second locking nail perforate 2102 and the 3rd locking nail perforate 2103 the most as shown in Figure 9,
Lockplate 20 is preferably simple rectangular configuration, and each locking nail is each passed through the perforate of lockplate 20 with fixing fracture site (i.e.
The femoral head position fractureed), the first locking nail 2201 enters to femur from greater trochanter/greater trochanter lateral surface through femoral neck bone fracture
Head position, the second locking nail 2202 enters to femoral head position, the first lock from femoral shaft upper end lateral surface through femoral neck bone fracture
Surely can arrange by β at an angle between nail 2201 and the second locking nail 2202 and lockplate 20, the angle value scope of β is permissible
It is 89 °～130 ° (corresponding to angle value α > the 50 ° i.e. III type situations at fracture of femoral neck Pauwels angle), wherein, the first locking nail
Angle β between 2201 and lockplate 201It is preferably 95 °, the angle β between the second locking nail 2202 and lockplate 202Excellent
Elect 120 ° as, can set according to practical situation, only need to guarantee play effective fixation and as much as possible ensure in reality
Border is less to patient's damage in using, by locking nail (first locking nail 2201 and the second locking nail 2202) and locking
Being used in conjunction with each other between plate 20, it is possible to realize optimum stability maintenance；3rd locking nail 2203 is outside femoral shaft upper end
Face enters to femoral shaft upper-end part of driving, can also arrange at an angle between the 3rd locking nail 2203 and lockplate 20, its angle
Angle value may range from 45 °～85 °, preferably 60 °, can set according to practical situation, only need to guarantee to play and effectively fix
Act on and as much as possible ensure less to patient's damage in actual use, between three locking nails and lockplate 20 phase
Mutually with the use of, it is possible to the optimum stability maintenance of strengthening the most to greatest extent.
Additionally, the embodiment as shown in Fig. 6, Fig. 7 and Fig. 8, the first screw the 1301, second screw 1302 and the 3rd screw
1303 cut at a certain angle from the leading flank position of neck of femur distal forward face position and femoral shaft upper end respectively, Fig. 6, figure
The body of screw part of each screw of " dotted border and the interior filling vertical grid shape " shown in 7 and Fig. 8 represents first respectively
The body of screw part of the body of screw part of screw 1301, the body of screw part of the second screw 1302 and the 3rd screw 1303 is vertically
Projection on face.First locking nail the 2201, second locking nail 2202 and the 3rd locking nail 2203 are respectively from greater trochanter/greater trochanter
Sideway stance and lateral surface position, femoral shaft upper end are cut at a certain angle, " the dotted line limit shown in Fig. 6, Fig. 7 and Fig. 8
Frame and interior filling oblique line mesh shape " the locking nail body portion of each locking nail represent the locking rivet nut of the first locking nail 2201 respectively
Partly, the locking nail body portion of the locking nail body portion of the second locking nail 2202 and the 3rd locking nail 2203 throwing on the vertical plane
Shadow.Further, the body of screw part of each screw and the locking nail body portion of each locking nail be not in a plane, and does not contacts each other.
Operation principle and the using method of the fracture of femoral neck fixing device that the utility model proposes are described as follows:
As shown in Fig. 6, Fig. 7 and Fig. 8, the fracture of femoral neck fixing device that the utility model proposes, in actual use,
Conventional thigh anterior limited thoracotomy (i.e. conventional neck of femur internal fixation anterior limited thoracotomy Watson Jones can be used
Otch) it is entirely within, say, that outside femoral shaft, latch-up structure 2 and neck of femur medial support structure 1 all can be by same
(i.e. conventional neck of femur internal fixation anterior limited thoracotomy Watson Jones cuts one conventional thigh anterior limited thoracotomy
Mouthful) one be placed into, it is only necessary to inserting of the fracture of femoral neck fixing device that otch i.e. can realize the utility model proposes,
In art, damage surface, injury tolerance and amount of bleeding would generally be less, and postoperation recovery and resume speed are very fast, as depicted in figs. 1 and 2
The operation principle of neck of femur medial support structure 1 and using method same as above.Additionally, latch-up structure 2 is adopted outside femoral shaft
Enter from greater trochanter of femur/greater trochanter lateral surface (and femoral shaft upper end lateral surface) with at least two locking nail, big through femur
Rotor/greater trochanter position (and femoral shaft upper-end part of driving), neck of femur position (via femoral neck bone fracture) are to femoral head
Position, to realize the effect of fixing fracture site (the femoral head position i.e. fractureed), outside femoral shaft, latch-up structure 2 is further
When using lockplate, lockplate 20 is in close contact with greater trochanter/greater trochanter lateral surface and femoral shaft upper end lateral surface, locking
Nail enters to femoral head from greater trochanter/greater trochanter lateral surface and femoral shaft upper end lateral surface after the perforate of lockplate 20 again
Position, femoral shaft upper-end part of driving are with fixing fracture site (the femoral head position i.e. fractureed).Latch-up structure 2 and femur outside femoral shaft
Neck medial support structure 1 cooperates, it is achieved that the fixed effect of 1+1 > 2, further enhances having for fracture of femoral neck
Effect supports and fixing, decreases bigger twisting resistance and shearing force that fracture of femoral neck position is born, and aids fracture position is accurately fixed
Position, has ensured the stability after fracture of femoral neck reset effectively.
It should be pointed out that, that the above detailed description of the invention can make those skilled in the art that the invention is more fully understood,
But limit the invention never in any form.Therefore, although the invention is entered by this specification referring to the drawings with embodiment
Gone detailed description, it will be understood by those skilled in the art, however, that still the invention can be modified or etc.
With replacing, in a word, all are without departing from the technical scheme of the spirit and scope of the invention and improvement thereof, and it all should be contained at this
In the middle of the protection domain of patented invention-creation.
Claims (9)
1. a neck of femur medial support structure, it is characterised in that include supporting part and laminating fixed part, described supporting part and patch
Conjunction fixed part is mutually permanently connected, and described supporting part is for supporting femoral head and has the knot matched with neck of femur near-end downside
Structure, with neck of femur distal forward face and femoral shaft upper end leading flank while that described laminating fixed part being used for fixed support portion and has
The structure matched, described laminating fixed part be provided with in the structure matched with neck of femur distal forward face at least one for
Through the perforate of screw and it is provided with at least one for opening through screw in the structure matched with femoral shaft upper end leading flank
Hole.
Neck of femur medial support structure the most according to claim 1, it is characterised in that described supporting part and laminating fixed part
Employing integral forming process is made.
Neck of femur medial support structure the most according to claim 1 and 2, it is characterised in that described laminating fixed part with
Be provided with in the structure that neck of femur distal forward face matches one for through screw perforate and with femoral shaft upper end leading flank
It is provided with two in the structure matched to be triangularly arranged for the perforate through screw, three perforates.
Neck of femur medial support structure the most according to claim 1 and 2, it is characterised in that described laminating fixed part with
Be provided with in the structure that neck of femur distal forward face matches one for through screw perforate and with femoral shaft upper end leading flank
It is provided with two in the structure matched to be arranged in a linear for the perforate through screw, three perforates.
5. a fracture of femoral neck fixing device, it is characterised in that include inside the neck of femur that one of Claims 1-4 is described
Supporting construction, also includes at least two screw of resected femur neck medial support structure and for resected femur head and femur
Latch-up structure outside dry femoral shaft, outside described femoral shaft, latch-up structure includes at least two locking nail, and each described screw is respectively
Through described laminating fixed part the structure matched with neck of femur distal forward face perforate and with femoral shaft upper end leading flank phase
The perforate of the structure of coupling, described locking nail has more than femoral shaft upper end lateral surface to femoral neck bone fracture and then to femoral head
The length of the minimum range screwed in.
Fracture of femoral neck fixing device the most according to claim 5, it is characterised in that described locking nail is three, described
Three locking nails are triangularly arranged；And/or, it is arranged parallel to each other between described locking nail.
7. according to the fracture of femoral neck fixing device described in claim 5 or 6, it is characterised in that described screw is hollow screw
Or solid screw；And/or, described locking nail is hollow nail or solid nail.
Fracture of femoral neck fixing device the most according to claim 7, it is characterised in that latch-up structure outside described femoral shaft
Also include that lockplate, described lockplate have the structure matched with femoral shaft lateral surface and/or greater trochanter lateral surface, described locking
Plate is provided with at least one for through locking nail in the structure matched with femoral shaft lateral surface and/or greater trochanter lateral surface
Perforate, described locking nail is through the perforate of described lockplate.
Fracture of femoral neck fixing device the most according to claim 8, it is characterised in that between described locking nail and lockplate
The angle value scope of angle be 89 °～130 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115636.5U CN205514844U (en) | 2016-02-04 | 2016-02-04 | Inboard bearing structure of thighbone neck and femoral neck fracture fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115636.5U CN205514844U (en) | 2016-02-04 | 2016-02-04 | Inboard bearing structure of thighbone neck and femoral neck fracture fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205514844U true CN205514844U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620115636.5U Withdrawn - After Issue CN205514844U (en) | 2016-02-04 | 2016-02-04 | Inboard bearing structure of thighbone neck and femoral neck fracture fixing device |
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| Country | Link |
|---|---|
| CN (1) | CN205514844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520774A (en) * | 2016-02-04 | 2016-04-27 | 陈华 | Femoral neck inner side support structure and femoral neck fracture fixing device |
| CN111870329A (en) * | 2020-07-31 | 2020-11-03 | 北京市春立正达医疗器械股份有限公司 | Device and method for femoral angle recovery and verification |
-
2016
- 2016-02-04 CN CN201620115636.5U patent/CN205514844U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105520774A (en) * | 2016-02-04 | 2016-04-27 | 陈华 | Femoral neck inner side support structure and femoral neck fracture fixing device |
| WO2017132952A1 (en) * | 2016-02-04 | 2017-08-10 | 陈华 | Femoral neck inner side support structure and femoral neck fracture fixing device |
| CN105520774B (en) * | 2016-02-04 | 2018-01-02 | 陈华 | A kind of neck of femur medial support structure and fracture of neck of femur fixing device |
| US11000320B2 (en) | 2016-02-04 | 2021-05-11 | Tianjin Zhengtian Medical Instrument Co., Ltd | Medial buttress construct and a fracture fixation device for femoral neck |
| CN111870329A (en) * | 2020-07-31 | 2020-11-03 | 北京市春立正达医疗器械股份有限公司 | Device and method for femoral angle recovery and verification |
| CN111870329B (en) * | 2020-07-31 | 2021-07-27 | 北京市春立正达医疗器械股份有限公司 | Device and method for femoral angle recovery and verification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20180102 |