CN204765889U - 8 supplementary erector of font epiphyseal plate guide growth board - Google Patents
8 supplementary erector of font epiphyseal plate guide growth board Download PDFInfo
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- CN204765889U CN204765889U CN201520328931.4U CN201520328931U CN204765889U CN 204765889 U CN204765889 U CN 204765889U CN 201520328931 U CN201520328931 U CN 201520328931U CN 204765889 U CN204765889 U CN 204765889U
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Abstract
The utility model discloses a 8 supplementary erector of font epiphyseal plate guide growth board, include to guide location guide pin hole and two corresponding three guide pin sleeve pipes in locating screw holes three center of growth board respectively with this epiphysis, and be used for fixing guide pin cover intertube relative position's connecting piece, the guide pin sleeve pipe is parallel to each other and is and is located the coplanar. Should can prevent effectively that 8 font epiphyseal plates guide growth board from winding the guide pin rotation and the skew preset position of mounted position appearing, had improved 8 font epiphyseal plates guide growth board widely and implanted human positional accuracy by supplementary erector.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of for the auxiliary installer installing 8-shaped epiphyseal plate guiding growth plate auxiliary on human body epiphysis.
Background technology
Child's genu varum and in knee be more common lower limb malformation, bilateral knee varus and bilateral knee can be divided into turn up, bilateral knee turn up sickness rate account for this kind of deformity sum more than 60%, bilateral knee varus accounts for 25%, and other turn up for unilateral knee varus and unilateral knee.Knee joint angulation deformity shows as abnormal gait, the gonalgia and dysfunction clinically, and severe patient can cause hip joint and ankle joint extremely.Most disease childhood period can spontaneous recovery, but pathologic lower limb angulation deformity treatment in time can cause more serious dysfunction, and turning up in its treatment and optimum knee joint has essential distinction.
The origin cause of formation of turning up in knee joint is divided into physiological and the large class of pathologic two.Most of genu varum, in knee be developmental character change belong to physiological.Minority is pathologic, and routine rickets, wound, inflammation, congenital bone growth obstacle disease, four type mucopolysaccharidosises, tumor, poliomyelitis and cerebral palsy etc., all can cause the linearly aligned disorder of lower limb power, cause the inside and outside talipes varus of knee joint.The general present tibiofibula upper end of baker-kneed pathological changes multilist, and pathological changes in knee is many at distal part of femur.Genu varum refers to that bilateral lower limb stretch a bilateral ankle joint and close up, and bilateral knee is not held together inside joint; Otherwise in kneely refer to that bilateral knee joint is closed up, do not hold together inside bilateral ankle joint.Generally represent its degree by knee joint spacing and intermalleolar distance, 0-5cm is slight, and 6-10cm is moderate, and more than 10cm is severe.General at non-neonate and infancy stage, it is normal for there is slight genu varum.Lower limb inward turning can make baker-kneed outward appearance more obvious.
In recent decades, the Therapeutic Method for this kind of disease constantly develops.8-shaped epiphyseal plate guides growth plate to be a kind of new technique correcting lower limbs of children angulation deformity, it utilizes 8-shaped plate (the preferred Titanium board of material or titanium alloy sheet) to implement side epiphyseal plate retardance, use tension band principle, specially for long bone angulation deformity corrects the growth guided bone system of design, progressively correct the limbs angulation deformity of period of development child, this 8-shaped epiphyseal plate guides growth plate to be also improvement to traditional staple epiphyseal plate block technique or innovation, it not only overcomes staple internal fixtion and is difficult to exit, the complication such as epiphyseal plate early closes, and again because it has the effect of tension band, relatively traditional staple, also there is the advantage of the rectification speed obviously accelerating deformity.
As shown in figures 1 to 6, this 8-shaped epiphyseal plate guides growth plate 3 to need two pieces of hollow screws 7 and the auxiliary of three guide pins 2 just can carry out installing just can installing on skeleton.
Specifically, as shown in Figure 6, on the two ends, left and right of described 8-shaped epiphyseal plate guiding growth plate 3, correspondence is provided with a positioning screw hole 31 for the described two pieces of hollow screws 7 of installation respectively, and is also provided with the aperture location guide pinhole 32 more bigger than described guide pin 2 external diameter between described two positioning screw holes 31.
This 8-shaped epiphysis guides the installation steps of growth plate specific as follows:
Step 1: as shown in Figure 1, insert a guide pin 2 to locate, and C arm machine (not shown) checks angle in epiphyseal plate 11.
Step 2: as shown in Figure 2, the guide pin 2 being used for locating being inserted 8-shaped epiphyseal plate guides the location guide pinhole 32 of growth plate 3 to place this epiphyseal plate guiding growth plate to be inserted in, note certain otherwise peel off periosteum, and the thickness of epiphyseal plate should be measured in advance, to determine that this epiphyseal plate guides the length of growth plate.
Step 3: as shown in Figure 3, in aforementioned two positioning screw holes 31, utilize bit guide 4 to insert two remaining guide pins 2 respectively successively according to the order of first epiphysis end 12, rear metaphysis 13, this step does not require that two guide pins 2 are parallel, but must avoid epiphyseal plate 11.And then pull out the guide pin 2 being arranged in location guide pinhole 32.
Step 4: as shown in Figure 4, utilizes bit guide 4 and hollow spacing brill 5, according to the order of first epiphysis end 12, rear metaphysis 13, bores dark 5mm respectively in two positioning screw holes 31 along the direction of insertion of guide pin 2.
Step 5: as shown in Figure 5, utilize cored screw cutter 6 along the direction of insertion of two guide pins 2 in two positioning screw holes 31, be screwed into two pieces of hollow screws 7 successively to guide growth plate 3 to be fixed to 8-shaped epiphyseal plate, until this epiphyseal plate guides growth plate docile in skeleton.
Step 6: pull out two remaining guide pins 2, notices that inspection two pieces of hollow screws 7 are in the position at epiphyseal plate two ends, do not need parallel, but avoid passing through epiphyseal plate.
But, current 8-shaped epiphyseal plate guides growth plate, when mounted, owing to first inserting in epiphyseal plate 11 with guide pin 2, and then make this epiphyseal plate guide the location guide pinhole 32 in the middle part of growth plate to be set on described guide pin 2 to place this epiphyseal plate guiding growth plate, but because there is gap between location guide pinhole 32 and guide pin 2, therefore epiphyseal plate guides growth plate easily to make fine rotation around guide pin 2, make epiphysis end 12 and metaphysis 13 just guides the screw installation site at two positioning screw hole 31 centers of growth plate to there occurs relative to its precalculated position to this epiphyseal plate offset, thus cause epiphyseal plate to guide the position of growth plate implant into body improper and the risk of appearance damage epiphyseal plate.
So, be badly in need of a kind of additional device that can improve 8-shaped epiphyseal plate guiding growth plate implant into body position accuracy.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of 8-shaped epiphyseal plate to guide the auxiliary installer of growth plate, it can prevent 8-shaped epiphyseal plate from guiding growth plate rotate around guide pin and occur that installation site out of position effectively, greatly increases 8-shaped epiphyseal plate and guides growth plate implant into body position accuracy.
For solving the problem, the technical scheme that this utility model adopts is as follows:
A kind of 8-shaped epiphyseal plate guides the auxiliary installer of growth plate, comprise and guide corresponding three the guide pin sleeve pipes of the location guide pinhole of growth plate and two positioning screw hole three centers respectively with this epiphysis, and for the connector of relative position between fixing described guide pin sleeve pipe; Described guide pin sleeve pipe is parallel to each other and is in the same plane.
As the first improvement of the present utility model, described connector is a slab construction, and described slab construction is crossing with described guide pin sleeve pipe.
Preferably, described slab construction is perpendicular to described guide pin sleeve pipe.
Preferably, described slab construction comprises two pieces of daughter boards; Described two pieces of daughter boards are corresponding to be respectively fixed in two gaps formed between described guide pin sleeve pipe.
More preferably, the thickness of described daughter board is less than the external diameter of described guide pin sleeve pipe.
Improve as the second of the present utility model, described connector is a column structure, and described column structure is crossing with described guide pin sleeve pipe.
Preferably, described column structure is perpendicular to described guide pin sleeve pipe.
Improve as of the present utility model the third, the guide pin casing length corresponding with location guide pinhole is greater than two the guide pin casing length corresponding with two positioning screw holes.
As further improvement of the utility model, the least significant end of described connector is higher than the bottom of guide pin sleeve pipe.
As further improvement of the utility model, the diameter of guide pin is between 0.6-2.2mm.
Compared to existing technology, the beneficial effects of the utility model are:
8-shaped epiphyseal plate of the present utility model guides the auxiliary installer of growth plate, its concrete structure, the screw installation site that conventional mounting mode occurs can be effectively avoided to depart from the phenomenon of predetermined installation site when being applied to and installing 8-shaped epiphyseal plate guiding growth plate, greatly increase 8-shaped epiphyseal plate and guide growth plate implant into body position accuracy, avoid because epiphyseal plate guides the position of growth plate implant into body improper and damage epiphyseal plate.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of description, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is conventional mounting mode step one schematic diagram that 8-shaped epiphyseal plate guides growth plate;
Fig. 2 is the conventional mounting mode step 2 schematic diagram that 8-shaped epiphyseal plate guides growth plate;
Fig. 3 is the conventional mounting mode step 3 schematic diagram that 8-shaped epiphyseal plate guides growth plate;
Fig. 4 is the conventional mounting mode step 4 schematic diagram that 8-shaped epiphyseal plate guides growth plate;
Fig. 5 is the conventional mounting mode step 5 schematic diagram that 8-shaped epiphyseal plate guides growth plate;
Fig. 6 is the structural representation that 8-shaped epiphyseal plate guides growth plate;
Fig. 7 is the structural representation that 8-shaped epiphyseal plate of the present utility model guides the first more preferably embodiment of auxiliary installer of growth plate;
Fig. 8 is the upward view of Fig. 7;
Fig. 9 is the structural representation that 8-shaped epiphyseal plate of the present utility model guides auxiliary installer the second more preferably embodiment of growth plate;
Figure 10 is the upward view of Fig. 9.
Detailed description of the invention
For further setting forth this utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to detailed description of the invention of the present utility model, structure, feature and effect thereof, be described in detail as follows:
Embodiment one
As shown in Figure 7 and Figure 8 be the first detailed description of the invention of auxiliary installer A that 8-shaped epiphyseal plate of the present utility model guides growth plate, it comprises and guides corresponding three the guide pin sleeve A 1 of the location guide pinhole of growth plate and two positioning screw hole three centers respectively with this epiphysis, and for the connector A2 of fixing described guide pin sleeve A 1 relative position; Described guide pin sleeve A 1 is parallel to each other and is in the same plane.
Adopting this utility model auxiliary installer to install 8-shaped epiphyseal plate guides the step of growth plate as follows:
Step 1: first knee is determined install the position that 8-shaped epiphyseal plate guides growth plate, then the position of epiphyseal plate is found out, again to be placed into the corresponding guide pin sleeve A 1 in guide pinhole center, location in described auxiliary installer on epiphyseal plate and to make the bottom of this guide pin sleeve A 1 just to described epiphyseal plate, adjust the position of two other guide pin sleeve A 1 simultaneously, make bottom both it respectively just to described epiphysis end and metaphysis.
Step 2:: three guide pins are inserted in described three guide pin sleeve A 1 respectively, and through the corresponding thorn of inserting of difference after corresponding guide pin sleeve A 1 on epiphysis end, epiphyseal plate and metaphysis.
Step 3: the opposite direction of inserting thorn along guide pin pulls away described auxiliary installer from these three guide pins, now three guide pins are just inserted on the pre-installed position of 8-shaped epiphyseal plate guiding growth plate exactly.
Step 4:: guide the location guide pinhole of growth plate and two positioning screw hole difference correspondences to be socketed on described three guide pins 8-shaped epiphyseal plate, and make this epiphyseal plate guide growth plate to slide on described pre-installed position along described guide pin.
Step 5:: pull out the guide pin being arranged in location guide pinhole.
Step 6: utilize bit guide and hollow spacing brill, according to first epiphysis end, rear metaphyseal order, bores dark 5mm along the direction of insertion of guide pin respectively in two positioning screw holes.
Step 7: utilize cored screw cutter along the direction of insertion of two guide pins in two positioning screw holes, is screwed into two pieces of hollow screws successively to guide growth plate to be fixed, until this is docile in skeleton to 8-shaped epiphyseal plate.
Step 8: pull out two remaining guide pins, notices that inspection two pieces of hollow screws are in the position at epiphyseal plate two ends, do not need parallel, but avoid passing through epiphyseal plate.
Auxiliary installer of the present utility model is adopted to go auxiliary 8-shaped epiphyseal plate of installing to guide growth plate, after have selected pre-installed position, three guide pin sleeve A 1 are first utilized to go three guide pins to be fixed on pre-installed position, because three guide pin sleeve A 1 entangle three guide pins respectively, insert thorn position so can effectively prevent guide pin from departing from because action of gravity teetertotters or come off from slotting thorn position, insert after thorn direction and position stability until three guide pins, again auxiliary installer of the present utility model is pulled away from three guide pins, and then on guide pin, be inserted in this epiphyseal plate guiding growth plate, because epiphyseal plate guides the position of two positioning screw holes of growth plate to receive the restriction of two corresponding guide pins, so can effectively avoid the screw installation site that traditional mounting means occurs to depart from the phenomenon of predetermined installation site, greatly increase 8-shaped epiphyseal plate and guide growth plate implant into body position accuracy, avoid because epiphyseal plate guides the position of growth plate implant into body improper and occur Injury of Epiphyseal Plate.
It should be noted that, and the auxiliary installer cooperating described in the present embodiment is diameter Kirschner wires between 0.6mm-2.2mm 8-shaped epiphyseal plate to be guided growth plate three guide pins be arranged on human knee, but in order to meet insert thorn rigidity requirement and can avoid again as far as possible self gravitation affect insert thorn accuracy, the Kirschner wire of described guide pin more preferably 0.8mm-2.2mm, and with diameter at the Kirschner wire of 1.2-1.6mm for the best.
In order to simplify structure, described connector A2 is a slab construction, described slab construction is crossing with described guide pin sleeve A 1, and improve as the one of the present embodiment, described slab construction is perpendicular to described guide pin sleeve A 1, and the concrete structure of described slab construction and the mounting means between guide pin sleeve A 1 thereof are: described slab construction comprises two pieces of daughter board A21; Described two pieces of daughter board A21 are corresponding to be respectively fixed in two the gap A11 formed between described guide pin sleeve A 1.
And for the ease of picking and placeing auxiliary installer of the present utility model in operation process, the thickness of described daughter board A21 is less than the external diameter of described guide pin sleeve A 1.
Easily auxiliary installer of the present utility model is pulled away from three guide pins in order to install three guide pins on knee after, another kind as the present embodiment improves, guide pin sleeve A 1 length corresponding with location guide pinhole is greater than two guide pin sleeve A 1 length corresponding with two positioning screw holes, like this, surgical staff only need with finger hold with locate guide pinhole relative to guide pin sleeve A 1, then the rightabout inserting thorn direction toward guide pin is stirred auxiliary installer of the present utility model and is made it slide along three guide pins, this auxiliary installer can be disassembled from three guide pins, operate very convenient.
Pick and place convenient degree and the easily degree of pulling away on guide pin in order to what improve auxiliary installer of the present utility model further, as further improvement of this embodiment structure, the least significant end A22 of described connector A2 is higher than the bottom A12 of guide pin sleeve A 1.
Embodiment two
As shown in Figure 9 and Figure 10 be the second detailed description of the invention of auxiliary installer that 8-shaped epiphyseal plate of the present utility model guides growth plate, unique difference of itself and the first detailed description of the invention aforementioned is: in order to simplify structure, described connector A2 is a column structure, described column structure is crossing with described guide pin sleeve A 1, and improve as the one of the present embodiment, described column structure is perpendicular to described guide pin sleeve A 1.When described connector is column structure, not only can reach and in embodiment one, adopt slab construction to realize the constructed effect of relative position between fixing described three guide pin sleeve A 1, but also the effect preventing from scraping hands can be played when picking and placeing auxiliary installer of the present utility model, meet the user demand of user.
Above-mentioned embodiment is only preferred implementation of the present utility model; can not limit the scope of this utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to this utility model scope required for protection.
Claims (10)
1. the auxiliary installer of a 8-shaped epiphyseal plate guiding growth plate, it is characterized in that: comprise and guide corresponding three the guide pin sleeve pipes of the location guide pinhole of growth plate and two positioning screw hole three centers respectively with this epiphysis, and for the connector of relative position between fixing described guide pin sleeve pipe; Described guide pin sleeve pipe is parallel to each other and is in the same plane.
2. 8-shaped epiphyseal plate as claimed in claim 1 guides the auxiliary installer of growth plate, and it is characterized in that: described connector is a slab construction, described slab construction is crossing with described guide pin sleeve pipe.
3. 8-shaped epiphyseal plate as claimed in claim 2 guides the auxiliary installer of growth plate, it is characterized in that: described slab construction is perpendicular to described guide pin sleeve pipe.
4. 8-shaped epiphyseal plate as claimed in claim 2 guides the auxiliary installer of growth plate, it is characterized in that: described slab construction comprises two pieces of daughter boards; Described two pieces of daughter boards are corresponding to be respectively fixed in two gaps formed between described guide pin sleeve pipe.
5. 8-shaped epiphyseal plate as claimed in claim 4 guides the auxiliary installer of growth plate, it is characterized in that: the thickness of described daughter board is less than the external diameter of described guide pin sleeve pipe.
6. 8-shaped epiphyseal plate as claimed in claim 1 guides the auxiliary installer of growth plate, and it is characterized in that: described connector is a column structure, described column structure is crossing with described guide pin sleeve pipe.
7. 8-shaped epiphyseal plate as claimed in claim 6 guides the auxiliary installer of growth plate, it is characterized in that: described column structure is perpendicular to described guide pin sleeve pipe.
8., as the 8-shaped epiphyseal plate of claim 1-7 as described in any one guides the auxiliary installer of growth plate, it is characterized in that: the guide pin casing length corresponding with location guide pinhole is greater than two the guide pin casing length corresponding with two positioning screw holes.
9. as claim 1-7 8-shaped epiphyseal plate as described in any one guides the auxiliary installer of growth plate, it is characterized in that: the least significant end of described connector is higher than the bottom of guide pin sleeve pipe.
10., as the 8-shaped epiphyseal plate of claim 1-7 as described in any one guides the auxiliary installer of growth plate, it is characterized in that: the diameter of guide pin is between 0.6-2.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520328931.4U CN204765889U (en) | 2015-05-19 | 2015-05-19 | 8 supplementary erector of font epiphyseal plate guide growth board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520328931.4U CN204765889U (en) | 2015-05-19 | 2015-05-19 | 8 supplementary erector of font epiphyseal plate guide growth board |
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| CN204765889U true CN204765889U (en) | 2015-11-18 |
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| CN201520328931.4U Active CN204765889U (en) | 2015-05-19 | 2015-05-19 | 8 supplementary erector of font epiphyseal plate guide growth board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023213127A1 (en) * | 2022-05-06 | 2023-11-09 | 杜晓杰 | Eccentric balancing device for epiphyseal growth |
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2015
- 2015-05-19 CN CN201520328931.4U patent/CN204765889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023213127A1 (en) * | 2022-05-06 | 2023-11-09 | 杜晓杰 | Eccentric balancing device for epiphyseal growth |
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