CN208784900U - A kind of impaction bone grafting tool - Google Patents
A kind of impaction bone grafting tool Download PDFInfo
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- CN208784900U CN208784900U CN201721470263.4U CN201721470263U CN208784900U CN 208784900 U CN208784900 U CN 208784900U CN 201721470263 U CN201721470263 U CN 201721470263U CN 208784900 U CN208784900 U CN 208784900U
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- bone grafting
- decompression
- pipe
- impaction
- bored
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Abstract
The utility model relates to a kind of impaction bone grafting tools, belong to bone surgery set, and instrument need to make bone grafting low efficiency into pulp cavity tunnel repeatedly in the prior art.The utility model proposes a kind of impaction bone grafting tool include hit bar and be fixed at it is described strike bar one end attacking head, it is provided in the other end of the strike bar and columnar suppresses head, the position for suppressing head limit is provided on the strike bar to block up, sliding is provided with bone grafting pipe on the strike bar, is provided with and communicated with funnel on the bone grafting pipe.
Description
Technical field
The utility model relates to a kind of bone surgery set, in particular to a kind of impaction bone grafting tool.
Background technique
Human femur head necrosis is defined as blood supply of the femoral head and interrupted by international bone circulating research meeting and U.S. orthopedist association
Or it is impaired, cause osteocyte and marrow components death and subsequent reparation, then causes femur header structure to change, collapse of femoral head
With the disease of joint function disturbance.
Caput femoris core decompression art mostly used for caput femoris necrosis early treatment, middle and advanced stage then mostly use full hip-joint,
The ultimate treatment of femoral head replacement.The art is after being anesthetized, with certain collodiaphyseal angle and to lean forward under X-ray examination in femoral bone tuberosity lower section
Angular femoral head internal drilling, reaming tunnel achievees the purpose that decompression to remove necrotic bone matter.It is implanted into cancellous bone simultaneously, promotes bone
Matter healing.However the operation need to repeatedly have an X-rayed, and the time is longer, instrument need to enter repeatedly pulp cavity tunnel and increase infection risk
And inefficiency.
Application No. is 201310341748.3 Chinese patents to disclose " a kind of deep bone grafting instrument of limit ", this instrument was using
Cheng Zhong needs first to get through femoral bone tunnel with drill bit, then expands marrow, forms decompression, is placed in bone grafting apparatus later, but not can solve tunnel
The problem of core Drilling decompression, the filling mouth for bone grafting is smaller, and the port of bone grafting pipe is a property section, and it is shorter to suppress a handle,
It is unfavorable for patient's grasping, so that bone grafting inefficiency.
Summary of the invention
The problem of for background technique, is suppressed the purpose of this utility model is to provide a kind of bone grafting is high-efficient
Bone grafting tool.
To achieve the above object, the utility model uses following technical scheme: a kind of impaction bone grafting tool, feature exist
In: including strike bar and it is fixed at the attacking head for hitting bar one end, the other end of the strike bar is provided with column
Shape suppresses head, and the position for suppressing head is provided with limit on the strike bar and blocks up, slides on the strike bar
It is provided with bone grafting pipe, is provided with and communicated with funnel on the bone grafting pipe.
It further include soft tissue protective case, decompression brill and the trepan for reaming, the soft tissue protective case includes in hollow
Columnar embedding tube is provided with the tack claw for being fixed on bone surface in one end of the embedding tube, and the decompression is bored as along axis
The heart is provided with the drill bit of centre bore, and the centre bore that the decompression is bored is for placing guide pin, and the trepan includes amplification pipe, described
One end of amplification pipe is provided with cutting tooth, and the window for cutting object to be discharged is provided on the side wall of the amplification pipe, described
Decompression is bored and is removably inserted in the amplification pipe, and the amplification pipe and the bone grafting pipe are removably inserted in the embedding tube
In.
The handle for patient's righting is provided on the embedding tube on the side wall of one end far from the tack claw.
It is described decompression bore length be 174mm~194mm, wherein with chip removal sword partial-length be 150.5mm~
170.5mm, it is φ 8mm~φ 12mm that the decompression, which is bored, the decompression bore the upper centre bore size be φ 2.5mm~
3.5mm。
The length that the decompression is bored is 184mm, wherein the partial-length with the chip removal sword is 160.5mm, it is described to subtract
It is φ 10mm that pressure, which is bored, and the size that the upper centre bore is bored in the decompression is φ 3mm.
Nozzle of the bone grafting pipe far from the stifled one end of the limit is scarf.
It is described suppress it is hemispherical.
The limit is blocked up as hollow cylinder, and the outer surface that the limit is blocked up is provided with the decorative pattern for increasing friction.
Because the utility model adopts the above technical scheme, it has the following advantages: 1, the utility model includes strike bar
The bone grafting pipe of setting is slided on strike bar, funnel is provided on bone grafting pipe, when in use, cancellous bone is poured into funnel
Grain protrudes into strike bar in bone grafting pipe, by promoting strike bar that grains of cancellous bone is pushed into bone channel, therefore the utility model
Operating time can be shortened, reduce instrument access tunnel number, so that improving operation completes efficiency.2, the utility model attacking head
It is hemispherical, therefore be conducive to patient's grasping and tap.3, nozzle of the utility model bone grafting pipe far from the stifled one end of limit is
Scarf, such bone grafting pipe enter the more unobstructed of tunnel, and the funnel of tail end is conducive to add grains of cancellous bone, reduce cancellous bone and fall
Bone grafting pipe and the waste that occurs out.4, the utility model is provided with the window for cutting object to be discharged on the side wall of amplification pipe,
Therefore cutting object can be easily removed during reaming.5, the utility model sliding on strike bar is provided with for fixed
The limit of position is stifled, therefore, therefore limits the stifled scope of activities that can control strike bar, prevents from hitting bar mistake during impaction bone grafting
It is long to destroy the structure in bone beyond bone grafting pipe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model impaction bone grafting device；
Fig. 2 is the structural schematic diagram that the utility model impaction bone grafting device removes bone grafting pipe；
Fig. 3 is the structural schematic diagram of the utility model soft tissue protective case；
Fig. 4 is the structural schematic diagram that the utility model decompression is bored；
Fig. 5 is the structural schematic diagram of the utility model trepan.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Fig. 1~2, the utility model is a kind of impaction bone grafting tool, including hits bar 11 and be fixed at and beat
The attacking head 12 for hitting 11 one end of bar, strike bar 11 the other end be provided with it is columnar suppress first 13, strike bar 11 on it is close
The position for suppressing first 13 is provided with limit stifled 14, and sliding is provided with bone grafting pipe 15 on strike bar 11, is connected to and sets on bone grafting pipe 15
It is equipped with funnel 10.Limit stifled 14 can control the scope of activities of strike bar 11, prevent strike bar 11 during impaction bone grafting too long
The structure in bone is destroyed beyond bone grafting pipe 15.
In above-described embodiment, as seen in figures 3-5, the utility model further includes soft tissue protective case 1, decompression brill 5 and is used for
The trepan 6 of reaming, soft tissue protective case 1 include the embedding tube 2 in open column shape, are provided in one end of embedding tube 2 for solid
It is scheduled on the tack claw 3 of bone surface.It is the drill bit that centre bore is provided with along axle center that decompression, which bores 5, and the centre bore that decompression bores 5 is used to place
Guide pin, after guide pin determines bone tunnel direction, decompression bores 5 and drills along guide pin direction.Trepan 6 includes amplification pipe 7, is being expanded
One end of pipe 7 is provided with cutting tooth 8, the window 9 for cutting object to be discharged is provided on the side wall of amplification pipe 7, decompression bores 5 can
It is removably inserted in amplification pipe 7, expands pipe 7 and bone grafting pipe 15 is removably inserted in embedding tube 2.
The handle for patient's righting is provided in above-described embodiment, on embedding tube 2 on the side wall of one end far from tack claw 3
Hand 4.
In above-described embodiment, the length that decompression bores 5 is 174mm~194mm, wherein the partial-length with chip removal sword is
150.5mm~170.5mm, decompression bore 5 be φ 8mm~φ 12mm, decompression bore 5 on centre bore size be φ 2.5mm~
3.5mm, further, the length that decompression bores 5 is 184mm, wherein the partial-length with the chip removal sword is 160.5mm, institute
Stating decompression and boring 5 is φ 10mm, and the size that the centre bore on 5 is bored in the decompression is φ 3mm.
In above-described embodiment, the nozzle of the one end of bone grafting pipe 15 far from limit stifled 14 is scarf, this structure is convenient for bone grafting
Pipe enters tunnel and carries out bone grafting.
It in above-described embodiment, suppresses first 13 hemispherical, is conducive to patient's grasping and taps.
In above-described embodiment, limit stifled 14 is hollow cylinder, and the outer surface of limit stifled 14 is provided with for increasing friction
Decorative pattern.
The utility model use process is as follows:
Bone surface is steadily adhered to by tack claw 3 first with soft tissue protective case 1, then bores 5 across embedding using decompression
Casing 2 is punched in bone surface, is expanded hole using trepan 6, and bone channel is established in bone；Decompression brill 5 and trepan 6 are removed
It goes, bone grafting pipe 15 is protruded into embedding tube 2, pour into grains of cancellous bone in funnel 10, strike bar 11 is protruded into bone grafting pipe 15,
It suppresses first 13 by propulsion grains of cancellous bone is pushed into bone channel.
The utility model is only illustrated with above-described embodiment, and structure, setting position and its connection of each component are all can
It is all that individual part is carried out according to the utility model principle on the basis of technical solutions of the utility model with what is be varied
Improvement and equivalents, should not exclude except the protection scope of the utility model.
Claims (8)
1. a kind of impaction bone grafting tool, it is characterised in that: including strike bar and be fixed at the strike for hitting bar one end
Head, the other end of the strike bar be provided with it is columnar suppress head, close to the position for suppressing head on the strike bar
It is stifled to be provided with limit, sliding is provided with bone grafting pipe on the strike bar, is provided with and communicated with funnel on the bone grafting pipe.
2. a kind of impaction bone grafting tool as described in claim 1, it is characterised in that: further include soft tissue protective case, decompression brill
With the trepan for reaming, the soft tissue protective case includes the embedding tube in open column shape, is set in one end of the embedding tube
It is equipped with the tack claw for being fixed on bone surface, it is the drill bit that centre bore is provided with along axle center that the decompression, which is bored, what the decompression was bored
Centre bore includes amplification pipe for placing guide pin, the trepan, one end of the amplification pipe is provided with cutting tooth, in the expansion
Increase the window being provided on the side wall of pipe for cutting object to be discharged, the decompression brill is removably inserted in the amplification pipe, institute
It states amplification pipe and the bone grafting pipe is removably inserted in the embedding tube.
3. a kind of impaction bone grafting tool as claimed in claim 2, it is characterised in that: far from the tack claw on the embedding tube
One end side wall on be provided with handle for patient's righting.
4. a kind of impaction bone grafting tool as claimed in claim 2, it is characterised in that: the length that the decompression is bored be 174mm~
194mm, wherein the partial-length with chip removal sword is 150.5mm~170.5mm, it is φ 8mm~φ 12mm, institute that the decompression, which is bored,
Stating decompression and boring the size of the upper centre bore is φ 2.5mm~3.5mm.
5. a kind of impaction bone grafting tool as claimed in claim 4, it is characterised in that: the length that the decompression is bored is 184mm,
In the partial-length with the chip removal sword be 160.5mm, it is φ 10mm that the decompression, which is bored, the upper centre bore of the decompression brill
Size be φ 3mm.
6. such as a kind of described in any item impaction bone grafting tools of Claims 1 to 4, it is characterised in that: the bone grafting pipe is far from institute
The nozzle for stating the stifled one end of limit is scarf.
7. such as a kind of described in any item impaction bone grafting tools of Claims 1 to 4, it is characterised in that: the head of suppressing is in hemisphere
Shape.
8. such as a kind of described in any item impaction bone grafting tools of Claims 1 to 4, it is characterised in that: it is hollow that the limit, which is blocked up,
Cylinder, the stifled outer surface of the limit are provided with the decorative pattern for increasing friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470263.4U CN208784900U (en) | 2017-11-07 | 2017-11-07 | A kind of impaction bone grafting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721470263.4U CN208784900U (en) | 2017-11-07 | 2017-11-07 | A kind of impaction bone grafting tool |
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| Publication Number | Publication Date |
|---|---|
| CN208784900U true CN208784900U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721470263.4U Active CN208784900U (en) | 2017-11-07 | 2017-11-07 | A kind of impaction bone grafting tool |
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| CN (1) | CN208784900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813008A (en) * | 2021-10-22 | 2021-12-21 | 北京大学第三医院（北京大学第三临床医学院） | Bone taking and grafting device for femoral medullary hole opening |
-
2017
- 2017-11-07 CN CN201721470263.4U patent/CN208784900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813008A (en) * | 2021-10-22 | 2021-12-21 | 北京大学第三医院（北京大学第三临床医学院） | Bone taking and grafting device for femoral medullary hole opening |
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