CN205007013U - Fixing device of acetabular bone parastyle and antetheca fracture - Google Patents
Fixing device of acetabular bone parastyle and antetheca fracture Download PDFInfo
- Publication number
- CN205007013U CN205007013U CN201520674698.5U CN201520674698U CN205007013U CN 205007013 U CN205007013 U CN 205007013U CN 201520674698 U CN201520674698 U CN 201520674698U CN 205007013 U CN205007013 U CN 205007013U
- Authority
- CN
- China
- Prior art keywords
- antetheca
- arciform
- steel plate
- plate
- fracture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model discloses a fixing device of acetabular bone parastyle and antetheca fracture. It includes arciform balsh board and antetheca steel sheet, their antethecas through stretching out common fixed arciform reason in the continuous back of fixed arm and parastyle. Arciform balsh board still is provided with arciformly along ilium fixed orifices and arciform along the pubic bone fixed orifices, respectively from the inboard fixed arciform reason in below. The antetheca steel sheet still is provided with antetheca ilium fixed orifices and antetheca pubic bone fixed orifices, the antetheca of fixed parastyle jointly. During the use, with the antetheca steel sheet with arciform balsh board combination as an organic whole and merge fixedly with the anatomical structure kissing of parastyle and arciform reason. Use the utility model discloses it is fixed stably to reset the acetabular bone fracture, improves the quality of the reduction of the fracture and internal fixation.
Description
Technical field
This utility model relates to orthopaedics medical instruments field, and specifically it is the fixture of a kind of acetabular anterior column and antetheca fracture.
Background technology
Acetabular comminuted fracture is always a difficult problem for orthopaedic trauma treatment.The blood vessel of pelvis around and neuromechanism, difficult exposure, puts the nail region anatomical reduction being Periacetabular fracture such as few and brings difficulty.And complex trait disease, because suffering serious violence, while comminuted fracture occurs at the position such as front pillar or rear pillar, be often associated with syntripsis or the displaced of acetabular bone Sifang District.After this kind of fracture carries out acetabular bone reset, easily there are later stage Hip osteoarthritis, femur head necrosis etc. because the reduction of the fracture is bad.
During the fracture of acetabulum of current treatment front pillar companion antetheca, the main method adopted is: approach reseting fracture position, front side, then uses plurality of steel plates to be placed in above arciform edge and fixes front pillar and acetabular anterior wall.
There is many problems in the operation method commonly used at present: the soft tissue injury probabilities such as the reduction of the fracture is difficult, the rear steel plate that resets is moulding and it is difficult to place, fracture fixation is not firm, nervus vasculairs comparatively greatly, operating time is long, amount of bleeding is large, post-operative complication is many.Also the inside-fixture of some sufferers of osteoporosis face is had easily to occur to loosen or displacement.How effectively to dispose the focus that the type fracture is research at present.
Patent CN201831946U discloses a kind of pelvic acetabular quadrilateral surface anatomical steel plate, comprise the plastic steel plate of strip and an integral type baffle plate, certain barrier effect can be had to acetabular anterior column fracture, but existence is not mated with the mechanics in displacement fracture direction, Sifang District, barrier force is limited, can not fix the problems such as front pillar and antetheca simultaneously, be badly in need of developing better internal fixtion device.
Summary of the invention
The purpose of this utility model is exactly the weak point in order to overcome background technology, and provides the fixture of a kind of novel acetabular anterior column and antetheca fracture, can fracture area be fixed more accurately and effectively.
For achieving the above object, the fixture of the acetabular anterior column designed by this utility model and antetheca fracture, it comprises arciform balsh plate and antetheca steel plate;
Described arciform balsh plate is the horizontally set of strip, and described antetheca steel plate is triangle horizontally set; When arciform balsh plate and antetheca steel plate combination one, the back side of arciform balsh plate bends the anatomical structure coordinated inside arciform edge; The back side of antetheca steel plate bends the anatomical structure coordinating arciform edge upper outer face and front pillar surface;
One end of the close iliac fossa of described arciform balsh plate is provided with at least one arciform edge ilium fixing hole, and the other end of arciform balsh plate is provided with at least one arciform edge pubis fixing hole; Arciform edge pubis fixing hole is arranged on superior ramus of pubis;
The bottom of described antetheca steel plate near iliac fossa, top near superior ramus of pubis; Be provided with two antetheca ilium fixing holes side by side in the bottom of antetheca steel plate, be provided with an antetheca pubis fixing hole at the top of antetheca steel plate, be provided with fixing hole or an antetheca form in the middle part of multiple antetheca at the middle part of antetheca steel plate; Described antetheca pubis fixing hole is arranged on above superior ramus of pubis; In the middle part of antetheca, fixing hole is arranged on the antetheca of front pillar;
At least one group of syndeton is provided with in the middle of the bottom of described antetheca steel plate and between the crown center of arciform balsh plate.
In technique scheme, described syndeton is for stretching out fixed arm; The bottom that each described group stretches out fixed arm is arranged on the bottom of antetheca steel plate or the top of arciform balsh plate, each top of stretching out fixed arm is provided with one and stretches out fixing arm aperture, is provided with and stretches out fixed arm installing hole not arranging the top of arciform balsh plate of stretching out fixed arm or the bottom of antetheca steel plate accordingly;
Described each fixed arm far-end that stretches out is the step-like of a skiving and stretches out fixing arm aperture; Described each fixed arm installing hole that stretches out is two layers of sagging ladder round platform hole; The shape that described each is stretched out fixed arm and stretched out fixed arm installing hole accordingly cooperatively interacts; Fixed by pedicle screw after the alignment of stretching out fixed arm and stretching out fixed arm installing hole accordingly, then described antetheca steel plate and described arciform balsh plate are combined into one and match with the anatomical structure of front pillar and arciform edge.
In technique scheme, described syndeton is linking arm, and the two ends of linking arm lay respectively between the centre, bottom of antetheca steel plate and the crown center of arciform balsh plate, and linking arm is across arciform edge, and the back side of linking arm bends the shape coordinating arciform edge.
In technique scheme, arciform balsh plate and antetheca steel plate combination to be integrally covered in inside arciform edge and front pillar upper surface time, arciform balsh plate extends to below arciform edge to superior ramus of pubis front end from the rear portion of arciform edge, and the top of antetheca steel plate extends to the upper surface half of superior ramus of pubis.
In technique scheme, arciform balsh plate and antetheca steel plate combination to be integrally covered in inside arciform edge and front pillar upper surface time, the end of arciform balsh plate ends in ischial spine extended line, and the bottom of antetheca steel plate is positioned at the below of iliopubic eminence.
In technique scheme, described stretches out fixing arm aperture and stretches out fixed arm installing hole for combination screw, with the use of plain screw or attachment screw.
In technique scheme, the arciform edge pubis fixing hole that described arciform balsh plate is arranged and arciform edge ilium fixing hole are universal lock screw, all with the use of lock screw.
In technique scheme, the antetheca ilium fixing hole that described antetheca steel plate is arranged and antetheca pubis fixing hole are universal lock screw, all with the use of lock screw; Antetheca steel plate is provided with fixing hole in the middle part of at least two antethecas, in the middle part of each antetheca, fixing hole is common screw, with the use of plain screw; The bottom of antetheca steel plate and top respectively arrange the temporary fixed hole of at least one Kirschner wire.
In technique scheme, each bottom of stretching out fixed arm on arciform balsh plate is provided with fixing hole in the middle part of an arciform edge; The two ends of arciform balsh plate respectively arrange the temporary fixed hole of at least one Kirschner wire.
In prior art, patent CN201831946U discloses a kind of pelvic acetabular quadrilateral surface anatomical steel plate, comprises the plastic steel plate of strip and an integral type baffle plate.Compare patent CN201831946U, this utility model has the following advantages:
1, the steel plate that patent CN201831946U is used is steel plate above arciform edge, inconsistent with acetabular anterior column and Sifang District inwardly displaced direction of fracturing, and can not obtain good mechanical support.This utility model is arranged at inside arciform edge, and contrary with the inwardly displaced direction of acetabular anterior column and Sifang District, just can stop the displacement of acetabular anterior column and Sifang District from inside to outside, from mechanics principle, be the fixed form of more mating.
2, the steel plate that patent CN201831946U is used only can fix front pillar.This utility model while fixing front pillar, by antetheca dissection armor plate, can coordinate fixed front wall such as implanting lock screw.This utility model is specially adapted to the complicated pelvis fracture of acetabulum simultaneously involving front pillar and antetheca.
3, steel plate that patent CN201831946U provides is integral type, is not easy to place in operation.Because there are femoral nerve, iliac artery and iliac vein in the top of the arciform edge of pelvis, this monoblock steel plate is inserted below iliac vessels and femoral nerve, be then placed on above arciform edge, comparatively difficult during concrete operations.Steel plate designed by this utility model be two pieces split type, comprise arciform balsh plate and antetheca steel plate.Short and simple for structure antetheca steel plate is placed in above antetheca relatively easily, is then connected as a single entity by attachment screw and arciform balsh plate, can reduces operating time, avoid the mortality complication such as blood vesssls and nerves injuries.
Accompanying drawing explanation
Fig. 1 is the dissection schematic diagram of acetabular bone and proximity structure.
Fig. 2 is a kind of structural representation of the fixture of this utility model acetabular anterior column and antetheca fracture.
Fig. 3 is that the fixture of acetabular anterior column in Fig. 2 and antetheca fracture is arranged on supracotyloid position view.
Fig. 4 is the scheme of installation stretching out fixing arm aperture He stretch out fixed arm installing hole
Fig. 5 is a kind of structural representation of the fixture of this utility model acetabular anterior column and antetheca fracture.
Fig. 6 is a kind of structural representation of the fixture of this utility model acetabular anterior column and antetheca fracture.
Fig. 7 is a kind of structural representation of the fixture of this utility model acetabular anterior column and antetheca fracture.
Fig. 8 is that the fixture of acetabular anterior column in Fig. 7 and antetheca fracture is arranged on supracotyloid position view.
In figure: arciform balsh plate 1, antetheca steel plate 2, arciform edge pubis fixing hole 3, arciform edge ilium fixing hole 4, stretches out fixed arm installing hole 5, stretches out fixed arm 6, stretch out fixing arm aperture 7, antetheca ilium fixing hole 8, antetheca pubis fixing hole 9, fixing hole 10 in the middle part of antetheca, arciform edge 11, front pillar 12, iliac fossa 13, closed pore 14, superior ramus of pubis 15, the temporary fixed hole 16 of Kirschner wire, linking arm 17, antetheca form 18.
Detailed description of the invention
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not form to restriction of the present utility model, only for example.Simultaneously by being described in further detail this utility model with concrete enforcement.
Be illustrated in figure 1 the dissection schematic diagram of acetabular bone and contiguous structure.Acetabular bone is made up of body of pubis, body of ischium and body of ilium.By Region dividing, acetabular bone is divided into front pillar 12 and rear pillar, the two in fall " Y " shape mutually support.Described front pillar 12 is positioned at the front side of acetabular bone, and the Lower Half of front pillar 12 comprises iliopubic eminence and superior ramus of pubis 15.Described rear pillar is positioned at the rear side of acetabular bone, mainly comprises ischium 14, ischial spine 20, acetabular bone later half and form the Compact bone of incisura ischiadica.The both sides of ischial spine 20 are respectively ischium and cut greatly cut little with ischium.Acetabular bone embraced by described front pillar 12 and rear pillar such as cradle sample, joins in the inner side of acetabular bone, forms the medial wall of acetabular bone and the lateral wall of true pelvis, i.e. acetabular bone Sifang District 15, prevents hip joint to be shifted to the inside.The depression on the top of hipbone is iliac fossa 11.The lower boundary of described iliac fossa is arciform edge 11, and being the bone ridge of blunt circle, is also the lower inside of arcuate line.Arciform edge 11 is parts of true pelvis lateral wall.Closed hole below hipbone is closed pore 14.The object of acetabular surgery or non-operative treatment is recovers acetabular bone and capital concentric structure.
Embodiment 1:
As shown in figs. 2 to 4, the fixture of acetabular anterior column described in the utility model and antetheca fracture comprises: arciform balsh plate 1 and antetheca steel plate 2, and the two is the irregular platy structure of band of condition of equivalent thickness substantially, uses medical stainless steel or titanium alloy to make.
Described arciform balsh plate 1 and antetheca steel plate 2 are the two be combined into one in use, and front pillar 12 antetheca simultaneously respectively below arciform edge 11 upwards, above arciform edge 11 fixes the fracture in arciform edge 11 region downwards jointly.
Arciform balsh plate 1 and antetheca steel plate 2 combined integrated to be covered in inside arciform edge 11 and front pillar 12 upper surface time, arciform balsh plate 1 extends to below arciform edge 11 to superior ramus of pubis 15 front end from inner side from the rear portion of arciform edge 11, and the top of antetheca steel plate 2 extends to the upper surface half of superior ramus of pubis 15.
Arciform balsh plate 1 and antetheca steel plate 2 combined integrated to be covered in inside arciform edge 11 and front pillar 12 upper surface time, one end of arciform balsh plate 1 ends in ischial spine extended line, and the bottom of antetheca steel plate 2 is positioned at the below of iliopubic eminence.
Described arciform balsh plate 1 is the horizontally set of strip, and the back side bends the anatomical structure coordinating inner side below arciform edge 11.Arciform balsh plate 1 is arranged before and after successively two arciform edge ilium fixing holes 4, four and has stretched out the arciform edge pubis fixing hole 3 of fixed arm installing hole 5, two.Accordingly, the middle part that fixed arm installing hole 5 is positioned at arciform balsh plate 1, near iliac fossa 13, is stretched out in the position of described two arciform edge ilium fixing holes 4, and arciform edge pubis fixing hole 3 is arranged on superior ramus of pubis 15.
Concrete, the arciform edge pubis fixing hole 3 that arciform balsh plate 1 is arranged and arciform edge ilium fixing hole 4 are universal lock screw, all with the use of lock screw.
The below of described antetheca steel plate 2 coordinates the anatomical structure on arciform edge 11 upper outer face and front pillar 12 surface.Described antetheca steel plate 2 is overall triangular in shape, its base near iliac fossa 13 and drift angle be positioned on superior ramus of pubis 15.Two antetheca ilium fixing holes 8 are side by side provided with in the bottom of described antetheca steel plate 2; An antetheca pubis fixing hole 9 is provided with at the top of antetheca steel plate 2.Accordingly, two described antetheca ilium fixing holes 8 are near iliac fossa 13, and an antetheca pubis fixing hole 9 is positioned at the top of superior ramus of pubis 15.The middle part of described antetheca steel plate 2 is provided with fixing hole 10 in the middle part of one group of antetheca.Stretch out downwards in the bottom of antetheca steel plate 2 and be provided with four and stretch out fixed arm 6, respectively and stretch out fixed arm installing hole 5 and match, so that antetheca steel plate 2 is connected with arciform balsh plate 1.
Concrete, the antetheca ilium fixing hole 8 that antetheca steel plate 2 is arranged and antetheca pubis fixing hole 9 are universal lock screw, all with the use of lock screw.
Concrete, antetheca steel plate 2 is provided with fixing hole 10 in the middle part of two rows, six antethecas, in the middle part of each antetheca, fixing hole 10 is common screw, with the use of plain screw.
In the present embodiment, the syndeton between arciform balsh plate 1 and antetheca steel plate 2 adopts the mode of stretching out fixed arm 6.Arciform balsh plate 1 and antetheca steel plate 2 combined integrated time, need accordingly stretch out fixed arm installing hole 5 by each and stretch out fixed arm 6 respectively by stretching out together with fixing arm aperture 7 is arranged on screw.
Concrete, described stretches out fixing arm aperture 7 and stretches out fixed arm installing hole 5 for combination screw, with the use of plain screw or attachment screw.
Described each fixed arm 6 far-end that stretches out is the step-like of a skiving and stretches out fixing arm aperture 7; Described each fixed arm installing hole 5 that stretches out is two layers of ladder round platform hole of sinking; The shape that described each is stretched out fixed arm 7 and stretched out fixed arm installing hole 8 accordingly cooperatively interacts.Pedicle screw after the alignment of stretching out fixed arm 7 and stretching out fixed arm installing hole 8 is accordingly fixed.Arciform balsh plate 1 and antetheca steel plate 2 combined integrated time, the back side of arciform balsh plate 1 bends the anatomical structure coordinated inside arciform edge 11; The back side of antetheca steel plate 2 bends the anatomical structure coordinating arciform edge 11 upper outer face and front pillar 12 surface.After arciform balsh plate 1 and antetheca steel plate 2 combine, can not be moved or rotate each other, also can not move on the region of anatomy or rotate.
Embodiment 2:
Concrete, be on arciform balsh plate 1 and antetheca steel plate 2 by stretching out fixed arm 6 setting respectively relative with stretching out fixed arm installing hole 5, for this two block plate is interconnected.The bottom of stretching out fixed arm 6 is arranged on arciform balsh plate 1, stretches out fixed arm installing hole 5 and to arrange on antetheca steel plate 2 and can be connected and fixed stable for this two block plate equally.
In embodiment 2 as shown in Figure 5, on arciform balsh plate 1 alternate be provided with two stretch out fixed arm 6 and two stretch out fixed arm installing hole 5; Corresponding antetheca steel plate 2 is also alternate be provided with two stretch out fixed arm 6 and two stretch out fixed arm installing hole 5.Adjacent two bottoms of stretching out fixed arm 6 are separately positioned on arciform balsh plate 1 and antetheca steel plate 2.Accordingly, each bottom of stretching out fixed arm 6 on arciform balsh plate 1 is provided with fixing hole 17 in the middle part of an arciform edge.On antetheca steel plate 2, in the middle part of antetheca, fixing hole 10 arranges two less relative to embodiment 1.
In the present embodiment, arciform balsh plate 1 and antetheca steel plate 2 by intersect alternate four stretch out fixed arm 6 and be interconnected.Other structural design is all identical with embodiment 1.
Embodiment 3:
With embodiment 2 in like manner, in embodiment 3 as shown in Figure 6, arciform balsh plate 1 is provided with four and stretches out fixed arm 6; Corresponding antetheca steel plate 2 is also provided with four and stretches out fixed arm installing hole 5.Each bottom of stretching out fixed arm 6 is all arranged on arciform balsh plate 1.Accordingly, each bottom of stretching out fixed arm 6 on arciform balsh plate 1 is provided with fixing hole 17 in the middle part of an arciform edge.On antetheca steel plate 2, in the middle part of antetheca, fixing hole 10 arranges three less relative to embodiment 1, only arranges a row.
In the present embodiment, arciform balsh plate 1 and antetheca steel plate 2 stretch out fixed arm 6 by four on arciform balsh plate 1 and are interconnected.Other structural design is all identical with embodiment 1.
Embodiment 4:
As shown in FIG. 7 and 8, the present embodiment and embodiment difference are: the middle part of described antetheca steel plate 2 is provided with an antetheca form 18; Replace fixing hole 10 in the middle part of antetheca.Described antetheca form 18 adopts " X " and " H " shape to hollow out design, is convenient to observe reset case, and processes thin portion structure.
As shown in FIG. 7 and 8, the present embodiment and embodiment difference are: the syndeton between arciform balsh plate 1 and antetheca steel plate 2 adopts linking arm 17.Only be provided with a linking arm 17 in the middle of the bottom of described antetheca steel plate 2 and between the crown center of arciform balsh plate 1, replace one group and stretch out fixed arm 6.The two ends of linking arm 17 lay respectively at the side of arciform balsh plate 1 and antetheca steel plate 2, and linking arm 17 is across arciform edge 11.
At least one linking arm 17 is set between arciform balsh plate 1 and antetheca steel plate 2, or at least one group is stretched out fixed arm 6, the two is connected.When fixed arm 6 or linking arm 17 negligible amounts are stretched out in setting, as only arranged one, be applicable to the situation that arciform balsh plate 1 and antetheca steel plate 2 are bent to less angle by needs.
At medical instruments field, particularly the specific design of dissection armor plate is with when using, the common screw just like Types Below: common screw, locking screw, combination screw.
Wherein, common screw is applicable to plain screw, and the screw of this plain screw and nut are all without screw thread; Specifically common as cancellous bone screw, os integumentale screw, lag screw etc.
Locking screw be applicable to lock screw, during the diagonal screw that this utility model specifically adopts, locking screw in be provided with the screw thread with guide effect, with the use of screw also there is threaded nut.Under the guide effect of locking screw, after the screw of cooperation enters appointed part, namely screw and steel plate are locked and are connected as a single entity, and screw not easily loosens and exits, direction also not malleable.Combination screw is made up of common screw and locking screw, is both applicable to plain screw, and is applicable to lock screw again, and can select screw as required.
On arciform balsh plate 1 designed by this utility model and antetheca steel plate 2, the region of anatomy that each region correspondence is fixing, and the screw type that each region is arranged, and the screw type of this screw corresponding matching is as shown in table 1 below.
Table 1: Interal fixation position and corresponding screw and screw list
The using method of the fixture of this utility model acetabular anterior column and antetheca fracture is as follows:
During operation, adopt Ilioinguinal approach approach, improvement Stoppa approach, high-order Ilioinguinal approach approach or the other approach of rectus abdominis m., conventional incision skin, subcutaneous tissue, three layers of abdominal muscle, ligation inferior epigastric artery, appear spermatic cord/fallopian tube, iliac vessels, expose pubis, then the dead hat of process is peeled off ball with wet gauze combination and is softly separated from iliopsoas with internal organs in basin by peritoneum; Retract iliac vessels to inner or outer, appear arciform edge, continue to expose acetabular bone Sifang District and part ischium downwards.
Step one: steel plate is placed and is connected
With arciform edge 11, superior ramus of pubis 15 for reference point, arciform balsh plate 1 and antetheca steel plate 2 are matched with the dissection radian of arciform edge 11 and front pillar 12, one of antetheca steel plate 2 and arciform balsh plate 1 to be stretched out in fixing arm aperture 7 and corresponding one stretch out after fixed arm installing hole 5 aligns, implant one piece of screw, arciform balsh plate 1 and antetheca steel plate 2 are connected as one;
Concrete:
Under direct-view, anatomical reduction fracture site, then puts into antetheca steel plate 2 from top to bottom as far as possible.By arciform balsh plate 1 below iliac vessels nerve tract by forward direction after insert.With arciform edge 11 for reference point, the radian of arciform balsh plate 1 and arciform edge 11 is matched, and the upside surface of bone of antetheca steel plate 2 and front pillar 12 matches.
Respectively respectively in the temporary fixed hole of Kirschner wire 16 on arciform balsh plate 1 and antetheca steel plate 2, squeeze into 1 ~ 2 piece of Kirschner wire do temporary fixed.
The fixing arm aperture 7 of stretching out of stretching out on fixed arm 6 on arciform balsh plate 1 and antetheca steel plate 2 is stretched out after fixed arm installing hole 5 aligns, one piece of short attachment screw is installed, arciform balsh plate 1 and antetheca steel plate 2 are connected as a single entity.In the temporary fixed hole of Kirschner wire 16 on arciform balsh plate 1, squeeze into Kirschner wire does temporary fixed.
Step 2: steel plate is temporary fixed
The temporary fixed hole 16 of each selection 1 ~ 2 Kirschner wire distinguished by arciform balsh plate 1 and antetheca steel plate 2, described arciform balsh plate 1 and antetheca steel plate 2 are temporarily fixed in anatomical structure, observe reset case.
Ensure fracture site to reset completely, do not leave over any small displacement.
Step 3: arciform edge 11 is fixed
Select at least one arciform edge pubis fixing hole 3 and at least one the arciform edge ilium fixing hole 4 on arciform balsh plate 1, implant one piece of screw respectively, arciform balsh plate 1 is fixed and is attached on arciform edge 11.
After the equal pedicle screw of screw at the two ends of arciform balsh plate 1, overall from the arciform edge 11 of medial support.
Step 4: front pillar is fixed
Select the antetheca pubis fixing hole 9 on antetheca steel plate 2 and at least one antetheca ilium fixing hole 8 each implantation one piece of screw respectively, antetheca steel plate 2 is fixed and is attached on the top surface of bone of front pillar 12.
By the further anatomical reduction of micro-displacement residual for front pillar 12, ensure that front pillar 12 resets very well, select fixing hole 10 in the middle part of at least one antetheca on antetheca steel plate 2 again, implant one piece of screw, make antetheca steel plate 2 be attached at surface of bone above front pillar 12 completely, also make front pillar 12 and arciform edge 11 be fixed.
Two ends on antetheca steel plate 2 are fixed on the upper surface of bone of superior ramus of pubis 15 respectively by antetheca pubis fixing hole 9, are fixed on the upper surface of bone of front pillar 12 by antetheca ilium fixing hole 8; The middle part of antetheca steel plate 2 is also pasted completely by the screw implanted.On the whole, the Stability Analysis of Structures of antetheca steel plate 2, parcel from top to bottom maintains front pillar 12.
Step 5: fixing of all the other screws
Select remaining suitable screw pedicle screw, arciform balsh plate 1 and antetheca steel plate 2 are fixedly secured.
As mentioned above, compared with traditional method, this utility model can fix front pillar 12 and the antetheca of acetabular bone simultaneously, is particularly suitable for complicated front pillar 12 and antetheca fracture.
Fracture due to front pillar 12 mostly is ecto-entad displacement, and the arciform balsh plate 1 of this utility model design is placed in inside the below of arciform edge 11, is fixed from inside to outside to arciform edge 11 and front pillar 12.The antetheca steel plate 2 of this utility model design is positioned at the top of front pillar 12, is connected integral simultaneously, can fixes front pillar 12 from top with arciform balsh plate 1.Therefore, to antetheca and the front pillar 12 of displacement, two block plates of this utility model design effectively can stop displacement, fixing fracture site.
At present, conventional apparatus is placed in the top of arciform edge 11, iliopubic eminence, pecten pubis, pubic crest mostly for the fixation steel plate of front pillar 12 position, directly can not stop fixing front pillar 12, only utilize screw to fix from outside to inside.In addition, due to uneven above arciform edge 11, iliopubic eminence, pecten pubis, pubic crest, and be multi-direction distortion, the bending of corresponding steel plate is moulding comparatively to bother, and more difficultly matches with the anatomical structure of front pillar 12.When performing the operation, when appearing above iliopubic eminence, pecten pubis, pubic crest, a tough and tensile structure such as inguinal ligament, iliopectineal arch, lacunar ligament, pectineal ligament need be cut, solution cuts iliac vessels, steel plate could be placed, waste time and energy, and add the probability of blood vessel injury and postoperative generation inguinal hernia.
This utility model to the steel plate of the fixing use split-type structural of front pillar 12 and antetheca, comprises arciform balsh plate 1 and antetheca steel plate 2 two parts, can be combined into one especially.This split-type design makes antetheca steel plate 2 insert from below easily, is attached at the inner side of superior ramus of pubis 15 and arciform edge 11.
The end that this utility model designs arciform balsh plate 1 and antetheca steel plate 2 is respectively arranged with multiple universal lock screw, and middle part is respectively arranged with multiple combination screw, corresponding implantation lock screw or plain screw.The setting of above-mentioned screw and screw has been specially adapted to osteoporotic middle-older patient, and control steel plate loosens, displacement, improves internal fixtion quality, reduces complication.
This utility model can be good the comminuted fracture, particularly front pillar 12 of process acetabular region and antetheca within the scope of, be difficult to the situation of anatomical reduction in operation.Use the front pillar 12 of this utility model acetabular bone and the fixture of antetheca fracture, front pillar 12 and antetheca scope can be realized to fix with bikini solid on the whole, fracture of acetabulum can be stablized replacement and fixation, improve the quality of the reduction of the fracture and internal fixtion.Use this utility model, be conducive to early postoperation and carry out activity exercise, realize the recovery of hip joint function, therapeutic effect is good, is a kind of medical apparatus and instruments for the treatment of fracture of acetabulum very ingenious, is worth applying on Orthopedic Clinical.
Other unaccounted parts all belong to prior art.
Claims (9)
1. the fixture of acetabular anterior column and antetheca fracture, is characterized in that: it comprises arciform balsh plate (1) and antetheca steel plate (2);
The horizontally set that described arciform balsh plate (1) is strip, described antetheca steel plate (2) is triangle horizontally set; Arciform balsh plate (1) and antetheca steel plate (2) combined integrated time, the bending anatomical structure coordinating arciform edge (11) inner side in the back side of arciform balsh plate (1); The bending anatomical structure coordinating arciform edge (11) upper outer face and front pillar (12) surface in the back side of antetheca steel plate (2);
One end of the close iliac fossa (13) of described arciform balsh plate (1) is provided with at least one arciform edge ilium fixing hole (4), and the other end of arciform balsh plate (1) is provided with at least one arciform edge pubis fixing hole (3); Arciform edge pubis fixing hole (3) is arranged on superior ramus of pubis (15);
The bottom of described antetheca steel plate (2) near iliac fossa (13), top near superior ramus of pubis (15); Two antetheca ilium fixing holes (8) are side by side provided with in the bottom of antetheca steel plate (2), be provided with an antetheca pubis fixing hole (9) at the top of antetheca steel plate (2), be provided with fixing hole (10) or an antetheca form (18) in the middle part of multiple antetheca at the middle part of antetheca steel plate (2); Described antetheca pubis fixing hole (9) is arranged on superior ramus of pubis (15) top; In the middle part of antetheca, fixing hole (10) is arranged on the antetheca of front pillar (12);
At least one group of syndeton is provided with in the middle of the bottom of described antetheca steel plate (2) and between the crown center of arciform balsh plate (1).
2. the fixture of acetabular anterior column according to claim 1 and antetheca fracture, is characterized in that: described syndeton is for stretching out fixed arm (6); The bottom that each described group stretches out fixed arm (6) is arranged on the bottom of antetheca steel plate (2) or the top of arciform balsh plate (1), each top of stretching out fixed arm (6) is provided with one and stretches out fixing arm aperture (7), is provided with and stretches out fixed arm installing hole (5) not having setting to stretch out the top of arciform balsh plate (1) of fixed arm (6) or the bottom of antetheca steel plate (2) accordingly;
Described each fixed arm (6) far-end that stretches out is the step-like of a skiving and stretches out fixing arm aperture (7); Described each fixed arm installing hole (5) that stretches out is two layers of ladder round platform hole of sinking; The shape that described each is stretched out fixed arm (7) and stretched out fixed arm installing hole (8) accordingly cooperatively interacts; Fixed by pedicle screw after the alignment of stretching out fixed arm (7) and stretching out fixed arm installing hole (8) accordingly, then described antetheca steel plate (2) and described arciform balsh plate (1) are combined into one and match with the anatomical structure of front pillar (12) and arciform edge (11).
3. the fixture of acetabular anterior column according to claim 1 and antetheca fracture, it is characterized in that: described syndeton is linking arm (17), the two ends of linking arm (17) lay respectively between the centre, bottom of antetheca steel plate (2) and the crown center of arciform balsh plate (1), linking arm (17) is across arciform edge (11), and the bending shape coordinating arciform edge (11) in the back side of linking arm (17).
4. the fixture of acetabular anterior column according to claim 1 and antetheca fracture, it is characterized in that: arciform balsh plate (1) and antetheca steel plate (2) combined integrated be covered in arciform edge (11) inner side and front pillar (12) upper surface time, arciform balsh plate (1) extends to below arciform edge (11) to superior ramus of pubis (15) front end from the rear portion of arciform edge (11), and the top of antetheca steel plate (2) extends to the upper surface half of superior ramus of pubis (15).
5. the fixture of acetabular anterior column according to claim 1 and antetheca fracture, it is characterized in that: arciform balsh plate (1) and antetheca steel plate (2) combined integrated be covered in arciform edge (11) inner side and front pillar (12) upper surface time, the end of arciform balsh plate (1) ends in ischial spine extended line, and the bottom of antetheca steel plate (2) is positioned at the below of iliopubic eminence.
6. the fixture of acetabular anterior column according to claim 1 and antetheca fracture, it is characterized in that: described stretches out fixing arm aperture (7) and stretch out fixed arm installing hole (5) for combination screw, with the use of plain screw or attachment screw.
7. the fixture of acetabular anterior column according to claim 1 and antetheca fracture, it is characterized in that: arciform edge pubis fixing hole (3) and the arciform edge ilium fixing hole (4) of the upper setting of described arciform balsh plate (1) are universal lock screw, all with the use of lock screw.
8. the fixture of acetabular anterior column according to claim 1 and antetheca fracture, it is characterized in that: antetheca ilium fixing hole (8) and the antetheca pubis fixing hole (9) of the upper setting of described antetheca steel plate (2) are universal lock screw, all with the use of lock screw; Antetheca steel plate (2) is provided with fixing hole (10) in the middle part of at least two antethecas, in the middle part of each antetheca, fixing hole (10) is common screw, with the use of plain screw; The bottom of antetheca steel plate (2) and top respectively arrange the temporary fixed hole of at least one Kirschner wire (16).
9. the fixture of acetabular anterior column according to claim 2 and antetheca fracture, is characterized in that: each bottom of stretching out fixed arm (6) on arciform balsh plate (1) is provided with fixing hole (17) in the middle part of an arciform edge; The two ends of arciform balsh plate (1) respectively arrange the temporary fixed hole of at least one Kirschner wire (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520674698.5U CN205007013U (en) | 2015-09-01 | 2015-09-01 | Fixing device of acetabular bone parastyle and antetheca fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520674698.5U CN205007013U (en) | 2015-09-01 | 2015-09-01 | Fixing device of acetabular bone parastyle and antetheca fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205007013U true CN205007013U (en) | 2016-02-03 |
Family
ID=55205648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520674698.5U Withdrawn - After Issue CN205007013U (en) | 2015-09-01 | 2015-09-01 | Fixing device of acetabular bone parastyle and antetheca fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205007013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266879A (en) * | 2015-09-01 | 2016-01-27 | 郭晓东 | Device and method for fixing acetabular front pillar and front wall fracture |
-
2015
- 2015-09-01 CN CN201520674698.5U patent/CN205007013U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105266879A (en) * | 2015-09-01 | 2016-01-27 | 郭晓东 | Device and method for fixing acetabular front pillar and front wall fracture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104644255B (en) | Fixing device for fractures of anterior column, posterior column and square area of acetabulum and method | |
| CN105250019A (en) | Acetabula pre/posterior column fracture fixing device and method | |
| US10251687B2 (en) | Device and method for fixing acetabular fractures involving the anterior/posterior column and quadrilateral plate | |
| CN105342681B (en) | Anatomical type locking plate and its supporting apparatus on the inside of a kind of general acetabular bone | |
| Shin et al. | Current concepts in the management of distal radius fractures | |
| CN201223440Y (en) | Three-dimensional dissection type anterior steel plate for acetabulum | |
| CN105769319B (en) | A kind of Posterior fixation steel plate rolled over for the spinous process of the seventh cervical vertebra before and after acetabular bone | |
| CN201831946U (en) | Pelvic acetabular quadrilateral surface anatomical steel plate | |
| CN104188716B (en) | Post associating steel plate before and after a kind of acetabular bone | |
| CN104665912B (en) | The fixing device of spinous process of the seventh cervical vertebra folding and method before and after acetabular bone | |
| CN101785698A (en) | Low incisura inclined screw hole acetabulum back wall bone fracture plate | |
| CN204636521U (en) | The fixture of post and Sifang District fracture before and after acetabular bone | |
| CN205007015U (en) | Acetabular bone parastyle and fixed steel sheet of high -order rear pillar fracture | |
| CN205007013U (en) | Fixing device of acetabular bone parastyle and antetheca fracture | |
| CN105496538B (en) | A kind of acetabular bone squared region bone plate | |
| CN205234611U (en) | Fixing device that spinous process of seventh cervical vertebra is rolled over around acetabular bone | |
| CN205007014U (en) | Acetabular bone parastyle and fixed steel sheet of low level rear pillar fracture | |
| CN204636520U (en) | The fixture of spinous process of the seventh cervical vertebra folding before and after acetabular bone | |
| CN107485435A (en) | Combined type fixation steel plate for fracture of acetabulum | |
| CN105266879A (en) | Device and method for fixing acetabular front pillar and front wall fracture | |
| CN205126393U (en) | Inboard anatomical form locking bone plate of general acetabular bone and supporting apparatus thereof | |
| CN203988321U (en) | Post associating steel plate before and after a kind of acetabular bone | |
| CN203244449U (en) | Fixator for ilium groin admission passage acetabulum square area fracture treatment | |
| CN216148176U (en) | Lateral steel plate of tibial plateau | |
| Xue et al. | A novel approach for treatment of acetabular fractures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160203 Effective date of abandoning: 20181116 |
|
| AV01 | Patent right actively abandoned |