CN203483494U - Locking steel plate for anatomic reconstruction of inner side of acetabulum - Google Patents
Locking steel plate for anatomic reconstruction of inner side of acetabulum Download PDFInfo
- Publication number
- CN203483494U CN203483494U CN201320510602.2U CN201320510602U CN203483494U CN 203483494 U CN203483494 U CN 203483494U CN 201320510602 U CN201320510602 U CN 201320510602U CN 203483494 U CN203483494 U CN 203483494U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- locking steel
- alar part
- acetabular bone
- locking
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Prostheses (AREA)
Abstract
Disclosed is a locking steel plate for anatomic reconstruction of the inner side of the acetabulum. The locking steel plate comprises the body portion which is in a block shape, the first side portion, the second side portion and the third side portion. The locking steel plate is in a branch shape. The locking steel plate is characterized in that the locking steel plate is provided with the first attaching surface which can be attached to the inner side wall of the acetabulum; the first attaching surface is the curved surface and the radian of the curved surface is matched with the anatomic form of the inner side wall of the acetabulum; locking holes which are conical holes are formed in the body portion, the first side portion, the second side portion and the third side portion in the thickness directions; small end openings of the conical holes are located in the first attaching surface; the hole wall of every locking hole is provided with internal threads; a locking screw is formed by a screw rod and a screw cap which is in a cone shape; the screw cap is provided with external threads which are matched with the internal threads of the locking holes which are formed in the locking steel plate. According to the locking steel plate for the anatomic reconstruction of the inner side of the acetabulum, the firm, reliable and stable fixation of an acetabulum fracture can be achieved.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, is specifically related to a kind of for fracture of acetabulum anatomical reduction, the inner side locking steel plate fixedly securing and the lock screw being used in conjunction with.
Background technology
At present domesticly for complicated fracture of acetabulum, conventionally use the reconstruction plate of the straight shape of polylith or arc to carry out operative treatment; but often there will be in actual applications the fixing insecure difficulty of the front and back post of acetabular bone and acetabular bone medial wall; particularly medial wall is shifted when serious; often do not reach fixed effect, and then affect therapeutic effect.In addition, at present domesticly also occurred that the three-dimensional that adopts a deformed steel flats to realize acetabular bone fixes, as Chinese patent CN201930062U provides a kind of rear side deformed steel flats, this rear side deformed steel flats is comprised of four fins, the dendroid of its S-shaped curved surface, at fin one, fin two, fin four and steel plate middle part, be provided with screw hole, plain screw is through screw hole and be tufted into pelvis ischium; But this deformed steel flats is owing to not applying lock-in techniques, be that screw hole does not have screw thread, not locking between screw hole and plain screw, therefore especially in the situation that of having the Complex Acetabulars such as damaged, comminuted fracture or osteoporotic senile fracture at sclerotin, steel plate is fixing insecure, unreliable to acetabular bone, even there is the phenomenon that plain screw exits from screw hole, thereby affect surgical effect.For this reason, how to provide a kind of fixation, reliable, stable acetabulum reconstruction steel plate to become the problem of this utility model research.
Summary of the invention
This utility model provides Anatomical Reconstruction type locking steel plate and lock screw thereof inside a kind of acetabular bone, and its object is to solve fixing insecure, unreliable, the problem that even increases the weight of operation wound of current acetabulum reconstruction steel plate.
For achieving the above object, the first technical scheme that this utility model adopts is: Anatomical Reconstruction type locking steel plate inside a kind of acetabular bone, and this locking steel plate comprises body, the first alar part, the second alar part and the flap portion of a bulk; The locking steel plate that described body, the first alar part, the second alar part, flap portion form is dendroid;
Described locking steel plate is provided with the first binding face that can fit with acetabular bone medial wall, and the first binding face is that the curved surface radian of curved surface and the first binding face mates with acetabular bone medial wall anatomic form;
On described body, on its thickness direction, offer lock hole, in described the first alar part, the second alar part and flap portion, also on its thickness direction, open and be equipped with lock hole, described lock hole is round taper hole, and the portlet of this round taper hole is positioned on described the first binding face; And, on the hole wall of each lock hole, be provided with female thread.
Related content in technique scheme is explained as follows:
1, in such scheme, according to the demand of human body left and right fracture of acetabulum, inside described acetabular bone, Anatomical Reconstruction type locking steel plate is divided into inside the acetabular bone of left side Anatomical Reconstruction type locking steel plate inside Anatomical Reconstruction type locking steel plate and right side acetabular bone in actual applications, inside the acetabular bone of left side, inside Anatomical Reconstruction type locking steel plate and right side acetabular bone, Anatomical Reconstruction type locking steel plate is structurally substantive identical, and difference is only that the two is mirror image symmetry.
2, in such scheme, preferably scheme is between described the second alar part and described flap portion, on the thickness direction of the two, to be provided with the second binding face that can fit with acetabular bone medial wall, and the second binding face is that the curved surface radian of curved surface and the second binding face mates with acetabular bone medial wall anatomic form; Angle between described the first alar part and the second alar part or flap portion is arbitrarily angled.The curved surface radian of described the first binding face and the second binding face is substantially to mate with ordinary people's acetabular bone medial wall anatomic form, when concrete use, according to the different acetabular bone medial wall anatomic form of different people, need to make locking steel plate and fit with acetabular bone medial wall by moulding in art.
3, in such scheme, on described body, on its thickness direction, offer one or two lock hole, in described the first alar part, the second alar part and flap portion, also on its thickness direction, all offer two to three lock holes.
For achieving the above object, the second technical scheme that this utility model adopts is: a kind of lock screw, this lock screw is comprised of shank of screw and screw cap, described shank of screw is provided with external screw thread for fixing pelvis ramus of ischium, described screw cap is conical, and the small end of this taper shape screw cap connects described shank of screw; And, on screw cap, be provided with locking steel plate described in the first technical scheme on the external screw thread of screw-internal thread fit of lock hole, for locking described locking steel plate.
Feature of the present utility model and beneficial effect are: by pre-bending, make described body, the first alar part, the second alar part, the dendritic locking steel plate that is that flap portion forms mates with acetabular bone medial wall, one to two piece of lock screw of the body at locking steel plate center can accurately be squeezed at a certain angle by guider acetabular anterior column on its acting surface, the acetabular bone shape concrete according to different patients more simultaneously, three alar parts that thickness is slightly thin (are described the first alar part, the second alar part, flap portion) can be by moulding in art, fitted substantially in itself and acetabular bone medial wall.And being described body, the topmost feature of this utility model is provided with one or two lock hole, in described the first alar part, the second alar part and flap portion, be equipped with two or three lock holes, described lock hole is that the hole wall inner edge of round taper hole and lock hole is provided with tapered thread, upwards be provided with the tapered thread coordinating with lock hole on described locking steel plate peripheral week of described screw cap, lock screw coordinates with lock hole, and then play the effect of locking, make fracture of acetabulum can realize firm, reliable, stable anatomical reduction.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of the locking steel plate of this utility model embodiment mono-;
Accompanying drawing 2 is the axonometric chart of the locking steel plate of this utility model embodiment mono-;
Accompanying drawing 3 is the structural representation of this utility model lock screw;
Accompanying drawing 4 is the front view of the locking steel plate of this utility model embodiment bis-;
Accompanying drawing 5 is the axonometric chart of the locking steel plate of this utility model embodiment bis-;
Accompanying drawing 6 is the using state schematic diagram of this utility model locking steel plate.
In above accompanying drawing: 1, body; 2, the first alar part; 3, the second alar part; 4, flap portion; 5, lock hole; 6, the second binding face.
The specific embodiment
Below in conjunction with drawings and Examples, this utility model is further described:
Embodiment mono-: Anatomical Reconstruction type locking steel plate and lock screw thereof inside acetabular bone
Referring to accompanying drawing 1, to shown in accompanying drawing 2, this locking steel plate comprises body 1, the first alar part 2, second alar part 3 and the flap portion 4 of a bulk; The locking steel plate that described body 1, the first alar part 2, the second alar part 3, flap portion 4 four form is dendroid;
Described locking steel plate is provided with the first binding face that can fit with acetabular bone medial wall, and the first binding face is that the curved surface radian of curved surface and the first binding face mates with acetabular bone medial wall anatomic form;
On described body, on its thickness direction, offer two lock holes 5, described the first alar part 2 offers two lock holes 5 on its thickness direction, the second alar part 3 offers two lock holes 5 on its thickness direction, in flap portion 4, on its thickness direction, offer three lock holes 5, described lock hole 5 is round taper hole, and the portlet of this round taper hole is positioned on described the first binding face; And, on the hole wall of each lock hole 5, be provided with female thread.
Between described the second alar part 3 and described flap portion 4, on the thickness direction of the two, being provided with can be that the curved surface radian of curved surface and the second binding face 6 mates with acetabular bone medial wall anatomic form with the second binding face 6, the second binding faces 6 of acetabular bone medial wall laminating; Angle between described the first alar part and the second alar part or flap portion is arbitrarily angled.
Shown in accompanying drawing 3, the lock screw being used in conjunction with the locking steel plate of the present embodiment, this lock screw is comprised of shank of screw and screw cap, described shank of screw is provided with external screw thread for fixing pelvis ramus of ischium, described screw cap is conical, and the small end of this taper shape screw cap connects described shank of screw; And, on screw cap, be provided with locking steel plate on the external screw thread of screw-internal thread fit of lock hole 5, for locking described locking steel plate.
Shown in accompanying drawing 6, during use, this locking steel plate is as Anatomical Reconstruction type locking steel plate inside the acetabular bone of left side, for fixing of left side fracture of acetabulum, the lock screw of two pieces of 4.5mm of locking steel plate body 1 is the pelvis ramus of ischium of fracture fixedly, the place ahead the first alar part 2 is pubic branch fixedly, and rear the second alar part 3 and flap portion 4 be acetabular bone medial wall fixedly.The length of steel plate body and the first alar part 2, the second alar part 3 and flap portion 4, thickness can suitably be cut out and bending according to the concrete shape of acetabular bone inner side, so that locking steel plate and acetabular bone laminating is tightr, fixing more reliable, making complicated fracture of acetabulum realize stable three-dimensional by a block plate fixes, simplify operation process, alleviated operation wound.
Embodiment bis-: Anatomical Reconstruction type locking steel plate and lock screw thereof inside acetabular bone
Identical with the structure of embodiment mono-, difference is only that the closure between each parts is contrary, is mirror image symmetry, and shown in accompanying drawing 4 and accompanying drawing 5, this locking steel plate is as Anatomical Reconstruction type locking steel plate inside the acetabular bone of right side, fixing for right side fracture of acetabulum.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to this utility model spirit change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (3)
1. an Anatomical Reconstruction type locking steel plate inside acetabular bone, this locking steel plate comprises body (1), the first alar part (2), the second alar part (3) and the flap portion (4) of a bulk; The locking steel plate that described body (1), the first alar part (2), the second alar part (3), flap portion (4) four form is dendroid; It is characterized in that:
Described locking steel plate is provided with the first binding face that can fit with acetabular bone medial wall, and the first binding face is that the curved surface radian of curved surface and the first binding face mates with acetabular bone medial wall anatomic form;
On described body, on its thickness direction, offer lock hole (5), in described the first alar part (2), the second alar part (3) and flap portion (4), also on its thickness direction, offer lock hole (5), described lock hole (5) is round taper hole, and the portlet of this round taper hole is positioned on described the first binding face; And, on the hole wall of each lock hole (5), be provided with female thread.
2. locking steel plate according to claim 1, it is characterized in that: between described the second alar part (3) and described flap portion (4), on the thickness direction of the two, be provided with the second binding face (6) that can fit with acetabular bone medial wall, the second binding face (6) is that the curved surface radian of curved surface and the second binding face (6) mates with acetabular bone medial wall anatomic form; Angle between described the first alar part and the second alar part or flap portion is arbitrarily angled.
3. locking steel plate according to claim 1, it is characterized in that: on described body, on its thickness direction, offer one or two lock hole (5), in described the first alar part (2), the second alar part (3) and flap portion (4), also on its thickness direction, all offer two to three lock holes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510602.2U CN203483494U (en) | 2013-08-21 | 2013-08-21 | Locking steel plate for anatomic reconstruction of inner side of acetabulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510602.2U CN203483494U (en) | 2013-08-21 | 2013-08-21 | Locking steel plate for anatomic reconstruction of inner side of acetabulum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483494U true CN203483494U (en) | 2014-03-19 |
Family
ID=50254366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320510602.2U Expired - Fee Related CN203483494U (en) | 2013-08-21 | 2013-08-21 | Locking steel plate for anatomic reconstruction of inner side of acetabulum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203483494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342681A (en) * | 2015-11-24 | 2016-02-24 | 李明 | Universal anatomical locking bone fracture plate for inner side of acetabulum and matched apparatuses of universal anatomical locking bone fracture plate |
| CN105769321A (en) * | 2016-05-03 | 2016-07-20 | 金柯楠 | Novel internal fixing device for acetabulum square-area fracture |
-
2013
- 2013-08-21 CN CN201320510602.2U patent/CN203483494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342681A (en) * | 2015-11-24 | 2016-02-24 | 李明 | Universal anatomical locking bone fracture plate for inner side of acetabulum and matched apparatuses of universal anatomical locking bone fracture plate |
| CN105769321A (en) * | 2016-05-03 | 2016-07-20 | 金柯楠 | Novel internal fixing device for acetabulum square-area fracture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203841856U (en) | Cervical vertebra fusion device | |
| CN203483494U (en) | Locking steel plate for anatomic reconstruction of inner side of acetabulum | |
| CN103908330A (en) | Self-guide long-arm solid percutaneous pedicle screw | |
| CN102232865A (en) | Combined steel plate for iliopectineal | |
| CN203483493U (en) | Locking steel plate and locking screw for anatomic reconstruction of outer side of acetabulum | |
| CN103800065A (en) | Malleolus medialis fixing steel plate system | |
| CN202776522U (en) | Proximal tibia osteotomy supporting plate | |
| CN208371879U (en) | Distal femur bone plate | |
| CN209154113U (en) | Astragalus implantation piece | |
| CN201631364U (en) | Special-shaped anatomical locking plate for cotyle posterior column or posterior wall fracture fixation | |
| CN102204841A (en) | Special shape locking bone fixing plate of acetabular posterior column or wall fracture | |
| CN207561972U (en) | The preceding road universal lock dissection armor plate of pelvic fracture | |
| CN205988319U (en) | Outside plate after distal tibial | |
| CN202505471U (en) | Tibial plateau back outer side locking steel plate | |
| CN204181703U (en) | Miniature isthmus bursts apart fixing head | |
| CN208492277U (en) | Anatomical form articulatio sacroiliaca locking steel plate | |
| CN105769321A (en) | Novel internal fixing device for acetabulum square-area fracture | |
| CN103690235A (en) | Acetabular anterior wall combined cubic anatomic steel plate | |
| CN203619662U (en) | Knee joint plateau steel plate | |
| CN206560489U (en) | Face Cranial defect filling prosthesis before condyle of femur | |
| CN204379412U (en) | Plate is merged apart from boat | |
| CN205458979U (en) | Ankle joint fuses positioner | |
| CN205234545U (en) | Ware struts in knee joint | |
| CN202198663U (en) | Acetabular posterior column steel plate | |
| CN204158478U (en) | A kind of vertebra front road locking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20150821 |
|
| EXPY | Termination of patent right or utility model |