CN203089328U - Calcar femorale bone cutting locator - Google Patents
Calcar femorale bone cutting locator Download PDFInfo
- Publication number
- CN203089328U CN203089328U CN201320096674.7U CN201320096674U CN203089328U CN 203089328 U CN203089328 U CN 203089328U CN 201320096674 U CN201320096674 U CN 201320096674U CN 203089328 U CN203089328 U CN 203089328U
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- China
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- guide table
- osteotomy
- positioning seat
- bone cutting
- bigelow
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Abstract
The utility model discloses a calcar femorale bone cutting locator, and belongs to the technical field of orthopedic surgery instruments. The calcar femorale bone cutting locator is used for performing an auxiliary locating function on calcar femorale bone cutting in an orthopedic hip joint replacement surgery. According to the technical scheme, a guiding platform is arranged on the upper portion of the calcar femorale bone cutting locator, a locating seat is arranged on the lower portion of the calcar femorale bone cutting locator, the guiding platform is of an arc shape, a locating groove is formed in the inner side of the arc of the guiding platform, the locating groove is matched with the periphery of calcar femorale, a transverse bone cutting guiding slit is formed in the middle portion of the guiding platform, a clamping groove is formed in the lower portion of the locating seat, and the periphery of the clamping groove is matched with the periphery of the upper portion of a lesser trochanter. An operator uses a goose saw for carrying out bone cutting along the bone cutting guiding slit, the plane of a cut bone is made to be smooth and to meet the mounting angle of a hip joint prosthesis, and the problem that the plane and the angle of the cut bone of a thighbone trouble the hip joint replacement surgery for a long time is solved. The calcar femorale bone cutting locator is simple in structure, convenient to use and good in bone cutting effect, shortens surgery time, is an ideal instrument used for carrying out bone cutting on the thighbone in the hip joint replacement surgery, and has popularization and application value.
Description
Technical field
This utility model relates to a kind of auxiliary implement that bigelow's septum is carried out osteotomy in the orthopaedics hip replacement surgery, belongs to bone surgery utensil technical field.
Background technology
Along with China enters aging society comprehensively, the senile osteoporosis fracture of femoral neck of over-65s is more and more common, the fracture of femoral neck patient's of complete/partial hip joint displacement becoming displacement first-selected Therapeutic Method.In hip replacement surgery, need carry out osteotomy to find suitable hip prosthesis mounting plane to residual neck of femur, all there is more harsh requirement on this plane on flatness and Plane Angle.At first, planar flatness is straight, can not have raised or sunkenly, so that hip prosthesis contacts closely with mounting plane, postoperative is connected firmly; Secondly, the plane will form suitable angle with femur axis, makes the position of hip prosthesis and the physiological requirement that direction meets postoperative, and this point is particularly important, and this also is the assurance that makes the hip replacement surgery success.But because the neck of femur exposure to the need osteotomy is limited in the art, the position exists deeply, and the suitable special-purpose osteotomy of shortage location utensil, and the operation of performing the operation to this class has brought very big inconvenience.The clinician can only the dependence experience undergo surgery, and this just makes the hip prosthesis mounting plane reach ideal requirements of operation very big difficulty, not only often therefore prolongs operating time, the more important thing is to have influence on surgical effect, is unfavorable for rehabilitation of patients.Up to the present this situation does not obtain basic change, becomes the principal element that restriction orthopaedics hip replacement surgery is obtained ideal effect, and necessary taking measures solved.
The utility model content
Technical problem to be solved in the utility model provides a kind of bigelow's septum osteotomy localizer, use this localizer to position osteotomy to neck of femur, make the osteotomy plane on flatness and Plane Angle, all reach the requirement that hip prosthesis is installed, shorten operating time, guarantee that operation reaches ideal effect.
The technical scheme that solves the problems of the technologies described above is:
A kind of bigelow's septum osteotomy localizer, its top is guide table, the bottom is a positioning seat, guide table is a circular arc, the circular arc inboard of guide table is a detent, the peripheral shape of detent and bigelow's septum periphery are complementary, there is horizontal osteotomy guide slit at the middle part of guide table, the gap width of osteotomy guide slit and the saw kerf of goose saw are complementary, the vertical outward flange along guide table with guide table of the lateral surface of positioning seat extends downwards, the medial surface of positioning seat is connected with the detent edge of guide table circular arc inboard and extends downwards along the detent edge, the medial surface of positioning seat and femur periphery are complementary, draw-in groove is arranged at the bottom of positioning seat, and the periphery of draw-in groove and lesser trochanter top circumference are complementary.
Above-mentioned bigelow's septum osteotomy localizer, on the lateral surface of described positioning seat locating rod is installed, locating rod is made up of screw shell and stock, and screw shell is fixedly connected on the lateral surface of positioning seat, the front end of stock has external screw thread, and the female thread of stock front end external screw thread and screw shell is complementary.
Above-mentioned bigelow's septum osteotomy localizer has fixing threaded hole on the lateral surface of described positioning seat, and fixing threaded hole is 2-4, and fixing threaded hole is relative with the femur outer wall.
Above-mentioned bigelow's septum osteotomy localizer, the guide table of described detent both sides is clamped in the periphery both sides of bigelow's septum respectively, and wherein the front end away from the guide table of lesser trochanter one side is a wedge angle, is rectangular surfaces near the front end of the guide table of lesser trochanter one side.
Above-mentioned bigelow's septum osteotomy localizer, the both sides of the bottom draw-in groove of described positioning seat are around trochantinian fixing feet, the length of the fixing feet of close wedge angle guide table one side is less than the length of the fixing feet of close rectangle guide table one side.
Usefulness of the present utility model is:
This utility model carries out circumferential registration by the detent and the bigelow's septum of guide table, draw-in groove and femur by positioning seat are located up and down, the angle of the osteotomy guide slit of back, location guide table is identical with the osteotomy plane, operator uses goose saw to carry out osteotomy along the osteotomy guide slit, makes the osteotomy plane smooth and satisfy the setting angle of hip prosthesis.This utility model is simple in structure, easy to use, osteotomy is respond well, make the osteotomy plane on flatness and Plane Angle, all reach the requirement that hip prosthesis is installed, solved that femur osteotomy plane and angle can not reach a desirable difficult problem that requires in the long-term puzzlement hip replacement surgery, this utility model has also obviously shortened operating time, guarantee that operation reaches ideal effect, for rehabilitation of patients provides technical guarantee, be the ideal auxiliary implement that in the hip replacement surgery femur is carried out osteotomy, very big application value is arranged.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 is the front view of Fig. 1;
Fig. 4 is the right view of Fig. 1;
Fig. 5 is the left view of Fig. 1;
Fig. 6 is the vertical view of Fig. 1.
Labelling is as follows among the figure: guide table 1, positioning seat 2, detent 3, draw-in groove 4, locating rod 5, screw shell 6, stock 7, fixing threaded hole 8, wedge angle 9, rectangular surfaces 10, short fixing feet 11, long fixing feet 12, osteotomy guide slit 13.
The specific embodiment
The top of bigelow's septum osteotomy localizer of the present utility model is guide table 1, and the bottom is a positioning seat 2.
Show among the figure that guide table 1 is a circular arc, the circular arc inboard of guide table 1 is a detent 3, and the peripheral shape of detent 3 and bigelow's septum periphery are complementary, and play positioning action.During use, detent 3 is looped around the periphery of bigelow's septum, because the peripheral shape and the neck of femur periphery of detent 3 are complementary, guide table 1 can not rotate with bigelow's septum, makes guide table 1 and bigelow's septum realize circumferential registration.
Show among the figure that there is horizontal osteotomy guide slit 13 at the middle part of guide table 1, the gap width of osteotomy guide slit 13 and the saw kerf of goose saw are complementary.The effect of osteotomy guide slit 13 is direct of travels of guiding goose saw, and goose saw carries out osteotomy forward along osteotomy guide slit 13, because lower limb is to the constraint of goose saw on the osteotomy guide slit 13, goose saw can not swing up and down, and makes the osteotomy plane neat, straight.
Show among the figure, the lateral surface of positioning seat 2 extends downwards with guide table 1 vertical outward flange along guide table 1, the medial surface of positioning seat 2 is connected with detent 3 edges of guide table 1 inboard and extends downwards along detent 3 edges, and the medial surface of positioning seat 2 and femur periphery are complementary.This structure is to make positioning seat 2 and femur realize circumferential registration equally, and is consistent with the effect of the detent 3 of guide table 1, and this utility model top and the bottom can not swung, more firm with the femur location.
Show among the figure that draw-in groove 4 is arranged at the bottom of positioning seat 2, the periphery of draw-in groove 4 and lesser trochanter top circumference are complementary.Draw-in groove 4 is looped around trochantinian top, and positioning seat 2 can not move down, can not move left and right, and positioning seat 2 is realized up and down and the location of position, the left and right sides together with guide table 1.
Show among the figure, locating rod 5 is installed on the lateral surface of positioning seat 2, locating rod 5 is made up of screw shell 6 and stock 7, screw shell 6 is fixedly connected on the lateral surface of positioning seat 2, the front end of stock 7 has external screw thread, and stock 7 front ends are spun on the screw shell, can dismantle and is connected.The effect of locating rod 5 is to make the convenient osteotomy localizer of placing of operator, places the back osteotomy localizer is fixed, and dismantles stock 7 down then, is convenient to carry out the osteotomy operation.
Show among the figure that fixing threaded hole 8 is arranged on the lateral surface of positioning seat 2, fixing threaded hole 8 is 2-4, and fixing threaded hole 8 is relative with the femur outer wall.After operator uses locating rod 5 that the osteotomy localizer is in place, by fixing threaded hole 8 osteotomy localizer and femur are fixed with bolt.
Show among the figure that the guide table 1 of detent 3 both sides is clamped in the periphery both sides of bigelow's septum respectively, wherein the front end away from the guide table 1 of lesser trochanter one side is a wedge angle 9, is rectangular surfaces 10 near the front end of the guide table 1 of lesser trochanter one side.The front end of guide table 1 adopts the reason of wedge angle 9 to be because tendon on this side femur wall and blood vessel etc. are organized morely, adopts wedge angle 9 can be inserted into easily in the slit of tendon and goes.
Show among the figure, in order to place the osteotomy localizer easily, the both sides of the bottom draw-in groove of positioning seat be respectively short fixing feet 11, long fixing feet 12 around trochantinian fixing feet, near the length of the fixing feet of wedge angle 9 guide table 1 one sides less than length near the fixing feet of rectangle 10 guide table 1 one sides.
Using method of the present utility model is as follows:
Operator is handed locating rod 5, femur side with the placement of osteotomy localizer, make detent 3 on the guide table 1 be looped around the periphery of bigelow's septum during placement, make positioning seat 2 medial surface be looped around the femur periphery simultaneously, allow guide table 1 and positioning seat 2 and femur realize circumferential registration.Meanwhile, operator will make draw-in groove 4 be looped around trochantinian top, and positioning seat 2 can not move down, and positioning seat 2 is realized up and down and the location of position, the left and right sides together with guide table 1.
Behind the location, by fixing threaded hole 8 osteotomy localizer and femur are fixed, then the stock 7 of locating rod 5 under the dismounting with bolt.The angle of back, location guide table 1 is identical with the osteotomy plane, operator carries out osteotomy with goose saw forward along osteotomy guide slit 13, because lower limb is to the constraint of goose saw on the osteotomy guide slit 13, goose saw can not swing up and down, make the osteotomy plane neat, straight, and satisfy the setting angle of hip prosthesis.
Claims (5)
1. bigelow's septum osteotomy localizer, it is characterized in that: its top is guide table (1), the bottom is positioning seat (2), guide table (1) is a circular arc, the circular arc inboard of guide table (1) is detent (3), the peripheral shape and the bigelow's septum periphery of detent (3) are complementary, there is horizontal osteotomy guide slit (13) at the middle part of guide table (1), the gap width of osteotomy guide slit (13) and the saw kerf of goose saw are complementary, the vertical outward flange along guide table (1) with guide table (1) of the lateral surface of positioning seat (2) extends downwards, the medial surface of positioning seat (2) is connected with detent (3) edge of guide table (1) circular arc inboard and extends downwards along detent (3) edge, the medial surface and the femur periphery of positioning seat (2) are complementary, draw-in groove (4) is arranged at the bottom of positioning seat (2), and the periphery of draw-in groove (4) and lesser trochanter top circumference are complementary.
2. bigelow's septum osteotomy localizer according to claim 1, it is characterized in that: locating rod (5) is installed on the lateral surface of described positioning seat (2), locating rod (5) is made up of screw shell (6) and stock (7), screw shell (6) is fixedly connected on the lateral surface of positioning seat (2), the front end of stock (7) has external screw thread, and the female thread of stock (7) front end external screw thread and screw shell (6) is complementary.
3. bigelow's septum osteotomy localizer according to claim 1 and 2 is characterized in that: fixing threaded hole (8) is arranged on the lateral surface of described positioning seat (2), and fixing threaded hole (8) is 2-4, and fixing threaded hole (8) is relative with the femur outer wall.
4. bigelow's septum osteotomy localizer according to claim 3, it is characterized in that: the guide table (1) of described detent (3) both sides is clamped in the periphery both sides of bigelow's septum respectively, wherein the front end away from the guide table (1) of lesser trochanter one side is wedge angle (9), is rectangular surfaces (10) near the front end of the guide table (1) of lesser trochanter one side.
5. bigelow's septum osteotomy localizer according to claim 4, it is characterized in that: the both sides of the bottom draw-in groove (4) of described positioning seat (2) are around trochantinian fixing feet, and the length of the fixing feet of close wedge angle guide table (1) one side is less than the length of the fixing feet of close rectangle guide table (1) one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320096674.7U CN203089328U (en) | 2013-03-04 | 2013-03-04 | Calcar femorale bone cutting locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320096674.7U CN203089328U (en) | 2013-03-04 | 2013-03-04 | Calcar femorale bone cutting locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203089328U true CN203089328U (en) | 2013-07-31 |
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ID=48840781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320096674.7U Withdrawn - After Issue CN203089328U (en) | 2013-03-04 | 2013-03-04 | Calcar femorale bone cutting locator |
Country Status (1)
| Country | Link |
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| CN (1) | CN203089328U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103142286A (en) * | 2013-03-04 | 2013-06-12 | 张英泽 | Calcar femorale osteotomy positioner |
| CN103735298A (en) * | 2013-12-31 | 2014-04-23 | 张文涛 | Acetabulum bone cutting device, combined bone extraction cutter and grinding mould |
| CN109730744A (en) * | 2019-01-30 | 2019-05-10 | 首都医科大学附属北京康复医院（北京工人疗养院） | Osteotomy tool |
| WO2020044128A1 (en) * | 2018-08-30 | 2020-03-05 | 香港科能有限公司 | Rigid surgical stent |
| CN110891519A (en) * | 2017-07-13 | 2020-03-17 | 卡尔莱宾格医疗技术有限责任两合公司 | Bone positioning device with separation tool guide/section for dentognathic deformities |
-
2013
- 2013-03-04 CN CN201320096674.7U patent/CN203089328U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103142286A (en) * | 2013-03-04 | 2013-06-12 | 张英泽 | Calcar femorale osteotomy positioner |
| CN103735298A (en) * | 2013-12-31 | 2014-04-23 | 张文涛 | Acetabulum bone cutting device, combined bone extraction cutter and grinding mould |
| CN110891519A (en) * | 2017-07-13 | 2020-03-17 | 卡尔莱宾格医疗技术有限责任两合公司 | Bone positioning device with separation tool guide/section for dentognathic deformities |
| WO2020044128A1 (en) * | 2018-08-30 | 2020-03-05 | 香港科能有限公司 | Rigid surgical stent |
| CN109730744A (en) * | 2019-01-30 | 2019-05-10 | 首都医科大学附属北京康复医院（北京工人疗养院） | Osteotomy tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20140312 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20140312 |