A kind of vertebrae holder
Technical field
The present invention relates to a kind of vertebrae holder, have and relate to a kind of cable that adopts and carry out the fixing exter-nal fixer of rib.
Background technology
Wait in orthopaedics therapy process in fracture, postoperatively penetrate epidermis frequently by various support, skeleton is fixed and makes it to recover, after recovery, then pass through trauma operation, support is removed, whole process need carries out Repeated Operation, the wound brought human muscle and skin portion is larger, and the convalescence after Miles operation is also long, the compressing that simultaneously traditional support brings osseous part and wound all larger;
Existing commercially to this, provide wound degree and minimizing operation number of times when much can reduce operation to a certain extent, the orthopedic fixer healed can be accelerated again simultaneously, if the patent No. is the invention of ZL201120537796.6, where it is proposed a kind of steel wire for skeleton portion parcel, this steel wire is by arranging absorbable material protective sleeve to reduce the damage to skeleton in Steel Wire Surface, reduce the probability of skeleton ischemic necrosis, but itself still realizes the fixing of osseous part by the mode be repeatedly wound around, after skeleton recovers, removing steel wire performs the operation still very large on the skin and muscle bed that bring, the long time is needed to recover,
For another example a kind of patent of invention of patella external fixer is called with ZL201420132756.7 name, wherein it is also proposed a kind of fixed mount of skeleton outside of Wicresoft, this structure comparison comparing class is similar to the fixed structure of steel nail generally used now, its main purpose realizes multi-faceted osseous part to fix, simultaneously the wound brought human body of thin steel nail is also smaller, secondary can be avoided to take out injury that operation brings human body and infection, but in its technical scheme, steel nail plays main supporting role, in order to ensure its certain support performance (i.e. bending strength) thus steel nail itself cannot do thin as acupuncture needle, so the reduction of its steel nail to human epidermal and flesh wound degree is still more limited, and steel nail itself is because its volume cause and special biological property cause, if use titanium alloy etc materials to make, difficulty of processing and cost are all higher, if use the good polymer of some biological properties to make, its intensity cannot ensure again, the main eyelid retractor of this invention is simultaneously an annular metal sheet, during installation, the limbs portion that can treat operation brings blocks, installing can be more difficult, also the accurate installation under X-ray shines cannot be realized,
So in sum, skeleton external stability utensil of the prior art still also exists many deficiencies, such as: the wound that installation brings, secondary take out operation wound, cost cannot reduce, installation difficulty is large.
Summary of the invention
The technical problem to be solved in the present invention is: overcome prior art medium-height trestle and install the technical problems such as wound is large, fixing operation is complicated, provides a kind of less to setter wound, can reduce the Orthopedic fixing support even not needing second operation.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of vertebrae holder, comprise pitman and at least two fixed knots, described fixed knot comprises vertebra surface of bone holder and eyelid retractor in external vertebra upper frame, body, described eyelid retractor is the developed surface of an arc, the developed surface of cambered surface is provided with hollow slots that is some and developed surface longitudinal axis orthogonal, be provided with fixed bar in described hollow slots, be respectively provided with at least one fixed block in the both sides of fixed bar, between described fixed block, be provided with fixed cable;
The middle part of described eyelid retractor is provided with a column, described column is provided with external vertebra upper frame, and described external vertebra upper frame comprises a curved support face coaxial with the developed surface of eyelid retractor;
Fixed cable between described fixed knot and the support frame surrounded between curved support face for spinal fixation;
Be provided with in the column of described eyelid retractor one with the installing hole of curved support over glaze line parallel, described eyelid retractor is linked together by the pitman be arranged in installing hole.
As further innovation of the present invention, described external vertebra upper frame adopts elastomeric material to make.
As further innovation of the present invention, described fixed block comprises a fixing hole for fixing fixed cable, and the sidewall of described fixing hole is provided with lock-screw A.
As further innovation of the present invention, described fixed block comprises one for the sliding eye be socketed with housing, the sidewall of described sliding eye is provided with lock-screw B.
As further innovation of the present invention, described fixed cable comprises elastic threads, and the material of described elastic threads has biocompatibility.
As further innovation of the present invention, described elastic threads adopts aliphatic polyester to make.
As further innovation of the present invention, be provided with reinforced metal cable in the middle part of described elastic threads, the material of described reinforced metal cable has biocompatibility.
As further innovation of the present invention, described reinforced metal cable adopts titanium alloy to make.
As further innovation of the present invention, described pitman adopts aluminium alloy to make.
The invention has the beneficial effects as follows:
1, the present invention adopts coordinating of fixed cable and curved support face, by the less elastic threads of diameter under the support of curved support face and arc developed surface, surround one or several skeletal support frameworks, thus realize the fixing of vertebrae and correct, because the low elasticity in curved support face, not only can ensure the fixing of skeleton, elastic threads also can be prevented the excessive compressing of bone surface simultaneously, cause osteonecrosis;
The present invention simultaneously can add and subtract the quantity of fixed knot as the case may be freely, has high convenience;
Installation operation of the present invention is also fairly simple.
2, elastic threads of the present invention adopts clamped-in style to fix, and this structure can improve the convenience of installation, and elastic threads also can be installed with a higher pretightning force simultaneously.
3, fixing for sliding between fixed block of the present invention and housing, the position between adjustment fixed block that can be convenient, thus easily according to concrete bone condition, the fixed position of adjustment elastic threads, greatly adds wide usage.
The elastic threads that the aliphatic polyester material 4, with biocompatibility is made, because its low biocompatible, after recovery, can stay in the body of human body, the wound degree that secondary removes operation can be reduced, if the destructiveness of skeleton own is little, secondary can not be carried out and remove operation.
5, strengthening cable that a titanium alloy makes also is added in tension cable of the present invention to prevent from straining the situation of the elastic threads fracture excessively caused, can directly be extracted out by the strengthening cable of titanium alloy after recovery, part stays in the body and also can not there is too large rejection problems.
6, pitman of the present invention adopts the stronger aluminium alloy of plasticity to make, and can adjust accordingly, improve appropriate of the present invention according to the specific spine shape of patient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is mounting structure sketch of the present invention;
Fig. 2 is generalized section of the present invention;
Fig. 3 is the schematic diagram of using state 1 of the present invention;
Fig. 4 is the schematic diagram of using state 2 of the present invention;
Fig. 5 is the transverse cross-sectional view of fixed block;
In figure: 1, fixed block; 2, fixed bar; 3, fixed cable; 4, vertebrae; 5, skeleton B; 6, skeleton C; 7, pitman; 8, external vertebra upper frame; 9, eyelid retractor;
1-1, fixing hole; 1-2, sliding eye.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
embodiment 1
Concrete as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, this product mainly comprises fixed knot and the pitman 7 for being connected each fixed knot, and pitman 7 adopts aluminium alloy to make, and the vertebra profile concrete according to patient manufactures,
Described fixed knot comprises vertebra surface of bone holder and eyelid retractor 9 in external vertebra upper frame, body, described eyelid retractor be one with human vertebra both sides back contact, the arc developed surface providing support power for fixed cable, the developed surface of cambered surface is provided with hollow slots that is some and developed surface longitudinal axis orthogonal, fixed bar 2 is provided with in described hollow slots, respectively be provided with a fixed block 1 in the both sides of fixed bar 2, between described fixed block 1, be provided with fixed cable 3;
The middle part of described eyelid retractor 9 is provided with a column, described column is provided with for the external vertebra upper frame 8 at human epidermal external support vertebrae, and described external vertebra upper frame comprises a curved support face coaxial with the developed surface of eyelid retractor;
Each fixed knot is fixed on pitman 7, penetrates into inside of human body by fixed cable 3, entangles from top by vertebrae 4, simultaneously by external vertebra upper frame 8, realize the support to the positive and negative both sides of vertebral segments, subsequently by the fixed knot permutation on pitman 7, realize the fixing of vertebrae;
Wherein fixed block comprises one for fixed block 1 being overlapped the sliding eye 1-2 received on fixed bar 2, the inwall of sliding eye 1-2 is provided with lock-screw B, fixed block is also provided with one for the fixing hole 1-1 through fixed cable 3, same is provided with a lock-screw A for fixing fixed cable 3 on the sidewall of fixing hole 1-1 simultaneously;
Wherein fixed cable comprises the elastic threads that the aliphatic polyester material with biocompatibility is made, and is provided with the reinforced metal line that the titanium alloy that is similarly biocompatible materials is made in the middle part of elastic threads;
The elastic threads that the aliphatic polyester material with biocompatibility is made, because its low biocompatible, after recovery, can stay in the body of human body, the wound degree that secondary removes operation can be reduced, if the destructiveness of skeleton own is little, secondary can not be carried out and remove operation;
The strengthening cable that titanium alloy is made is to prevent from straining the situation of the elastic threads fracture excessively caused, and can directly be extracted out by the strengthening cable of titanium alloy after recovery, part stays in the body and also can not there is too large rejection problems;
During installation, as shown in Figure 3.First by operation, fixed cable 3 pairs of vertebrae inside are fixed, subsequently fixed block 1 is installed on the fixed bar 2 of each fixed knot, then by whole fixed knot array by being pressed in human body back, fixed cable 3 is fixed on fixed block 1, be strained and fixed cable 3, can realize the support of human spine and fixing.
embodiment 2
As shown in Figure 4, the present invention, under emergency rating, also may be used for the fixing of arm and leg;
Main concrete as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, this product mainly comprises fixed knot and the pitman 7 for being connected each fixed knot, and pitman 7 adopts aluminium alloy to make, and the vertebra profile concrete according to patient manufactures,
Described fixed knot comprises vertebra surface of bone holder and eyelid retractor 9 in external vertebra upper frame, body, described eyelid retractor be one with human vertebra both sides back contact, the arc developed surface providing support power for fixed cable, the developed surface of cambered surface is provided with hollow slots that is some and developed surface longitudinal axis orthogonal, fixed bar 2 is provided with in described hollow slots, respectively be provided with a fixed block 1 in the both sides of fixed bar 2, between described fixed block 1, be provided with fixed cable 3;
The middle part of described eyelid retractor 9 is provided with a column, described column is provided with for the external vertebra upper frame 8 at human epidermal external support vertebrae, and described external vertebra upper frame comprises a curved support face coaxial with the developed surface of eyelid retractor;
Each fixed knot is fixed on pitman 7, penetrates into inside of human body by fixed cable 3, entangles from top by vertebrae 4, simultaneously by external vertebra upper frame 8, realize the support to the positive and negative both sides of vertebral segments, subsequently by the fixed knot permutation on pitman 7, realize the fixing of vertebrae;
Wherein fixed block comprises one for fixed block 1 being overlapped the sliding eye 1-2 received on fixed bar 2, the inwall of sliding eye 1-2 is provided with lock-screw B, fixed block is also provided with one for the fixing hole 1-1 through fixed cable 3, same is provided with a lock-screw A for fixing fixed cable 3 on the sidewall of fixing hole 1-1 simultaneously;
Wherein fixed cable comprises the elastic threads that the aliphatic polyester material with biocompatibility is made, and is provided with the reinforced metal line that the titanium alloy that is similarly biocompatible materials is made in the middle part of elastic threads;
The elastic threads that the aliphatic polyester material with biocompatibility is made, because its low biocompatible, after recovery, can stay in the body of human body, the wound degree that secondary removes operation can be reduced, if the destructiveness of skeleton own is little, secondary can not be carried out and remove operation;
The strengthening cable that titanium alloy is made is to prevent from straining the situation of the elastic threads fracture excessively caused, and can directly be extracted out by the strengthening cable of titanium alloy after recovery, part stays in the body and also can not there is too large rejection problems;
During installation, as shown in Figure 4, first by operation, the skeleton B5 in fixed cable 3 pairs of human arms and skeleton C6 is fixed, subsequently fixed block 1 is installed on the fixed bar 2 of each fixed knot, then adopt and split fixed knot array by 3 positions being pressed in human arm outer wall with 3, between it, angle is 120 degree, fixed cable 3 is fixed on fixed block 1, be strained and fixed cable 3, realizes fixing arm skeleton.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, must determine its technical scope according to right.