CN201701282U - Acetabulum press plate device - Google Patents
Acetabulum press plate device Download PDFInfo
- Publication number
- CN201701282U CN201701282U CN201020236489XU CN201020236489U CN201701282U CN 201701282 U CN201701282 U CN 201701282U CN 201020236489X U CN201020236489X U CN 201020236489XU CN 201020236489 U CN201020236489 U CN 201020236489U CN 201701282 U CN201701282 U CN 201701282U
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- acetabular bone
- plate
- acetabulum
- pressing plate
- hole
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Abstract
The utility model discloses an acetabulum press plate device, which relates to an external orthopedic fixator and particularly relates to an external fixator for treating acetabulum rear wall fracture. The technical scheme of the acetabulum press plate device includes that a plurality of screw holes are arranged along an arc axis of an arc-shaped acetabulum plate, the screw holes at two ends of the acetabulum plate are longitudinal elliptical screw holes extending along the arc axial direction, the screw holes in the middle of the acetabulum plate are transverse elliptical screw holes extending along the direction perpendicular to the arc axis, at least one press plate is arranged in the middle of the acetabulum plate, a fixing hole is arranged at one end of the press plate while an elliptical sliding hole arranged at the other end extends along the axial direction, and the sliding hole of the press plate corresponds to the transverse elliptical screw holes of the acetabulum plate. The acetabulum press plate device can prevent bone screws in the middle of the acetabulum plate from entering an acetabulum.
Description
Technical field
This utility model relates to a kind of orthopaedics external fixator, particularly relates to a kind of external fixator for the treatment of the acetabular bone posterior wall fractures.
Background technology
Acetabular bone posterior wall fractures, sclerite direction of displacement mostly be the rear or upwards outside, need be fixed with the acetabular bone plate during treatment.Existing acetabular bone plate, as shown in Figure 1: an acetabular bone plate 1 is used with many pieces of bone screw 2.Acetabular bone plate 1 is arcual lath, has a plurality of nails hole 11 along the arc axis.Each nail hole 11 is the vertical oval staple hole of extending along the arc axis direction.For acetabular bone plate 1 and sclerite being fixed together with bone screw 2, please referring to Fig. 2: during use, the reduction of the fracture of going ahead of the rest, be placed on the suitable position 32 that fracture takes place body of ilium 3 with 1 pre-bending of acetabular bone plate, choose nail hole 11 place's bore bone holes that acetabular bone plate 1 nail road is difficult for entering acetabular bone 31, be screwed into many pieces of bone screw 2, the row single-side cortex is fixed.Bone screw 2 all need be inserted in the nail hole 11 of acetabular bone plate 1 both sides tail end.Because nail hole 11 is vertical oval staple hole in the acetabular bone plate 1, has limited the acclivitous angle of drill bit, only can tilt 10 °.Therefore, several bone screw 2 of locking acetabular bone plate 1 middle part enter acetabular bone 31 easily, easily cause traumatic arthritis.Drill bit often takes place and fractures because blocking of muscle group is difficult for bore bone hole in the nail hole 11 at acetabular bone plate 1 two ends.And, need the frequent C of use arm fluoroscopic machine assist location in the art, increased radiation, prolonged operating time.
The utility model content
This utility model aims to provide a kind of acetabular bone pressing plate device, and the bone screw that can avoid locking acetabular bone plate middle part enters acetabular bone.
The technical solution of the utility model is: acetabular bone pressing plate device, acetabular bone plate are arcual lath, have a plurality of nails hole along the arc axis; The nail hole at place, this acetabular bone plate two ends be the vertical oval staple hole of extending along the arc axis direction, and a plurality of nails hole at this acetabular bone plate middle part be the edge and the horizontal oval staple hole of the perpendicular direction extension of arc axis; The middle part of this acetabular bone plate disposes at least one pressing plate; One end of this pressing plate has fixing hole, and the other end has the oval-shaped sliding eye that extends along axis direction; The sliding eye of this pressing plate is to horizontal oval staple hole that should the acetabular bone plate.
With several vertical oval staples hole, original typical acetabular plate middle part half-twist, change horizontal oval staple hole into, increased the angle of inclination that makes progress (can reach 45 °) in nail road, reached the purpose that bone screw is difficult for entering acetabular bone.The fixing hole side of pressing plate is close to body of ilium with bone screw and is fixed, and the sliding eye side presses on the top, middle part of acetabular bone plate with bone screw.Pressing plate plays the effect of pushing downwards, prevents the sclerite upward displacement, and the bone screw in the sliding eye prevents that the bone piece is to side and displacement downwards.The assist location that pressing plate has been arranged, because of difficult exposure be difficult for boring the vertical oval staple of acetabular bone plate either side tail end hole, bone screw can be set.Avoid because blocking of the muscle group at acetabular bone plate two ends is difficult for by corresponding gimlet for nail bone hole, and the phenomenon that drill bit fractures takes place.
In the enforcement structure of recommending: the fixing hole of described pressing plate is the elliptical aperture that extends along axis direction.The distance in the nail hole that the bone screw in like this can the two-ways regulation fixing hole is corresponding with the acetabular bone plate makes operation technique more convenient.
Implement in the structure preferred: the waist of described pressing plate is established the twice bending, and integral body is zigzag; The upper surface middle part of described acetabular bone plate has shallow slot, and this shallow slot contains the thickness of all horizontal oval staple holes and the corresponding pressing plate of the degree of depth.The sliding eye side of pressing plate can be attached in the shallow slot of acetabular bone plate, and concordant with the two ends of acetabular bone plate.
For long acetabular bone plate: the two ends of acetabular bone plate respectively have two vertical oval staple holes.Can among two vertical oval staple holes, select one neatly in the art and insert bone screw, make things convenient for operation technique, also help preventing the phenomenon that drill bit fractures.
This utility model acetabular bone pressing plate device adopts above-mentioned pressing plate and acetabular bone plate, and its advantageous feature is: 1, reduced and bored the risk that nail enters the acetabular bone face.2, difficulty of boring the nail road and the risk that drill bit fractures have been reduced.3, bone screw places acetabular bone top 0.5-1.0cm on the body of ilium, away from articular surface of acetabulum, reduces the number of times of having an X-rayed in the art, reduces radiation.4, operative incision is relatively little, reduces wound, has reduced the possibility of sciatic nerve equivalent damage.5, the later stage is suffered from hip such as need capable " total hip joint ", and reamer for hip arthroplasty,acetabulum touches bone screw when grinding cartilage surface probability greatly reduces.The smooth implantation and the stability of acetabular component have been guaranteed.6, pressing plate can be used with other plates, enlarges therapeutic domain.
Description of drawings
Fig. 1 is the perspective view of existing acetabular bone plate.
Fig. 2 is the user mode sketch map of existing acetabular bone plate.
Fig. 3 is the deployed configuration sketch map of an embodiment of this utility model acetabular bone pressing plate device.
Fig. 4 is the combinative structure sketch map of Fig. 3 embodiment.
Fig. 5 is the user mode sketch map of Fig. 3 embodiment.
The specific embodiment
The deployed configuration of a preferred embodiment of this utility model acetabular bone pressing plate device, as shown in Figure 3.This acetabular bone pressing plate device is made up of many pieces of bone screw 2, acetabular bone plate 5 and at least one pressing plate 6.
Certainly, in other embodiments, can there be shallow slot on the acetabular bone plate 5.Perhaps acetabular bone plate 5 upper edge arc axis have 6 nail holes, and acetabular bone plate 5 left and right two ends 53,51 respectively have vertical oval staple hole 54.Perhaps acetabular bone plate 5 upper edge arc axis have 10 or 12 nail holes, and acetabular bone plate 5 left and right two ends 53,51 respectively have two vertical oval staple holes 54, and 6 or 8 horizontal oval staple holes 55 are established in acetabular bone plate 5 middle parts.
The waist 61 of pressing plate 6 is established the twice bending, and integral body is zigzag.The two ends of pressing plate 6 have oval-shaped sliding eye 62 and the oval-shaped fixing hole 63 that extends along axis direction.
Certainly, in other embodiments, the fixing hole 63 of pressing plate 6 also can adopt the form of circular hole.
A kind of combinative structure of acetabular bone plate 1 and pressing plate 6, as shown in Figure 4.Two pressing plates 6 are configured in the middle part of acetabular bone plate 5.The sliding eye 62 of two pressing plates 6 can be distinguished optionally any the horizontal oval staple hole 55 corresponding to acetabular bone plate 5.The shallow slot at acetabular bone plate 5 middle parts contains the thickness of all horizontal oval staple holes 55 and the corresponding pressing plate 6 of the degree of depth.Make pressing plate 6 can optionally be arranged on any 55 place, horizontal oval staple hole of acetabular bone plate 5 upper surfaces and can not be higher than the left and right two ends 53,51 of acetabular bone plate 5.
During use, please referring to Fig. 5: the acetabular bone 31 posterior wall fractures places 32 to body of ilium 3 carry out reset processing in advance, then 5 pre-bendings of acetabular bone plate are placed on the suitable position of body of ilium 3 fractures 32.The nail road, middle part of choosing acetabular bone plate 5 is difficult for entering nail hole 55 place's bore bone holes of acetabular bone 31, is screwed into 2-3 piece of bone screw 2, and the row single-side cortex is fixed.
Top body of ilium 3 corresponding positions of (this nail hole may be just enter acetabular bone most probably at fracture seam place or murices ailhead) in the nail hole 55 that should not insert bone screw 2, i.e. 0.5-1.0cm place, top, acetabular bone top boring installation pressing plate 6 again.Pass the staple hole 63 of pressing plate 6 with the bone screw 2 of diameter 4.5mm, pressing plate 6 is fixed in body of ilium 3.The sliding eye 62 of pressing plate 6 and nail hole 55 overlaids at acetabular bone plate 5 middle parts in the boring of fracture of acetabulum piece place, are screwed into the bone screw 2 of diameter 3.5mm through this overlapping hole, and the row single-side cortex is fixed.Pressing plate 6 plays the effect of pushing downwards, prevents the sclerite upward displacement, and the bone screw 2 in the sliding eye 62 prevents that the bone piece is to side and displacement downwards.
At last, choose suitable nail hole 54 bore bone holes in two ends 51,53 of acetabular bone plate 5, be screwed into bone screw 2, the row single-side cortex is fixed.If the nail hole 54 of a certain end is because of the blocking of muscle group on the acetabular bone plate 1, difficult exposure and be difficult for boring can not put nail at this end.
Certainly, in other embodiments, also can only be used with a pressing plate 6 and an acetabular bone plate 1.
The above only is this utility model preferred embodiment, does not limit the scope that this utility model is implemented with this, and the equivalence of doing according to the technical solution of the utility model and description changes and modification, all should belong to the scope that this utility model is contained.
Claims (4)
1. acetabular bone pressing plate device, the acetabular bone plate is arcual lath, has a plurality of nails hole along the arc axis; It is characterized in that: the vertical oval staple hole of nail hole for extending at place, this acetabular bone plate two ends, a plurality of nails hole at this acetabular bone plate middle part along the arc axis direction be along with the horizontal oval staple hole of the perpendicular direction extension of arc axis; The middle part of this acetabular bone plate disposes at least one pressing plate; One end of this pressing plate has fixing hole, and the other end has the oval-shaped sliding eye that extends along axis direction; The sliding eye of this pressing plate is to horizontal oval staple hole that should the acetabular bone plate.
2. acetabular bone pressing plate device according to claim 1 is characterized in that: the elliptical aperture of the fixing hole of described pressing plate for extending along axis direction.
3. acetabular bone pressing plate device according to claim 1 and 2 is characterized in that: the waist of described pressing plate is established the twice bending, and integral body is zigzag; The upper surface middle part of described acetabular bone plate has shallow slot, and this shallow slot contains the thickness of all horizontal oval staple holes and the corresponding pressing plate of the degree of depth.
4. acetabular bone pressing plate device according to claim 1 and 2 is characterized in that: the two ends of acetabular bone plate respectively have two vertical oval staple holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020236489XU CN201701282U (en) | 2010-06-24 | 2010-06-24 | Acetabulum press plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020236489XU CN201701282U (en) | 2010-06-24 | 2010-06-24 | Acetabulum press plate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201701282U true CN201701282U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020236489XU Expired - Lifetime CN201701282U (en) | 2010-06-24 | 2010-06-24 | Acetabulum press plate device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201701282U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499751A (en) * | 2011-10-27 | 2012-06-20 | 上海交通大学 | Pelvis ala ossis ilii dissection type bone plate |
| CN102715946A (en) * | 2012-07-13 | 2012-10-10 | 中国人民解放军第一八四医院 | Combined type locking steel plate |
| CN103054639A (en) * | 2013-01-14 | 2013-04-24 | 上海市第六人民医院 | Internal fixator for posterior acetabular wall fractures |
| CN103654933A (en) * | 2013-12-27 | 2014-03-26 | 杨鹏 | Acetabular anterior wall anatomical steel plate |
| CN104224293A (en) * | 2014-08-31 | 2014-12-24 | 中国人民解放军广州军区武汉总医院 | Combined internal fixator for fixing laparoscopic gastric banding |
| CN107028650A (en) * | 2011-05-10 | 2017-08-11 | 新特斯有限责任公司 | Bone fracture fixation clamp |
| CN107485435A (en) * | 2017-07-31 | 2017-12-19 | 郭晓东 | Combined type fixation steel plate for fracture of acetabulum |
| US10376297B2 (en) | 2011-05-10 | 2019-08-13 | DePuy Synthes Products, Inc. | Bone fracture fixation clamp |
| US12121274B2 (en) | 2022-07-28 | 2024-10-22 | DePuy Synthes Products, Inc. | Bone fracture fixation clamp |
-
2010
- 2010-06-24 CN CN201020236489XU patent/CN201701282U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107028650A (en) * | 2011-05-10 | 2017-08-11 | 新特斯有限责任公司 | Bone fracture fixation clamp |
| US10376297B2 (en) | 2011-05-10 | 2019-08-13 | DePuy Synthes Products, Inc. | Bone fracture fixation clamp |
| CN107028650B (en) * | 2011-05-10 | 2020-03-03 | 新特斯有限责任公司 | Fracture fixing clamp |
| US11452555B2 (en) | 2011-05-10 | 2022-09-27 | DePuy Synthes Products, Inc. | Bone fracture fixation clamp |
| CN102499751A (en) * | 2011-10-27 | 2012-06-20 | 上海交通大学 | Pelvis ala ossis ilii dissection type bone plate |
| CN102715946A (en) * | 2012-07-13 | 2012-10-10 | 中国人民解放军第一八四医院 | Combined type locking steel plate |
| CN103054639A (en) * | 2013-01-14 | 2013-04-24 | 上海市第六人民医院 | Internal fixator for posterior acetabular wall fractures |
| CN103054639B (en) * | 2013-01-14 | 2015-04-08 | 上海市第六人民医院 | Internal fixator for posterior acetabular wall fractures |
| CN103654933A (en) * | 2013-12-27 | 2014-03-26 | 杨鹏 | Acetabular anterior wall anatomical steel plate |
| CN104224293A (en) * | 2014-08-31 | 2014-12-24 | 中国人民解放军广州军区武汉总医院 | Combined internal fixator for fixing laparoscopic gastric banding |
| CN107485435A (en) * | 2017-07-31 | 2017-12-19 | 郭晓东 | Combined type fixation steel plate for fracture of acetabulum |
| US12121274B2 (en) | 2022-07-28 | 2024-10-22 | DePuy Synthes Products, Inc. | Bone fracture fixation clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 No. 218, Xiang Xiang Road, Haicang District, Fujian, Xiamen Patentee after: DABO MEDICAL TECHNOLOGY CO., LTD. Address before: 361000 No. 218, Xiang Xiang Road, Haicang District, Fujian, Xiamen Patentee before: Double Engine Medical Material Co., Ltd. Address after: 361000 No. 218, Xiang Xiang Road, Haicang District, Fujian, Xiamen Patentee after: DABO MEDICAL TECHNOLOGY CO., LTD. Address before: 361000 No. 218, Xiang Xiang Road, Haicang District, Fujian, Xiamen Patentee before: Double Engine Medical Material Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20110112 |
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| CX01 | Expiry of patent term |