CN2187048Y - Internal fixation multi-functional guide for fracture of neck of femur - Google Patents
Internal fixation multi-functional guide for fracture of neck of femur Download PDFInfo
- Publication number
- CN2187048Y CN2187048Y CN 94207510 CN94207510U CN2187048Y CN 2187048 Y CN2187048 Y CN 2187048Y CN 94207510 CN94207510 CN 94207510 CN 94207510 U CN94207510 U CN 94207510U CN 2187048 Y CN2187048 Y CN 2187048Y
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- fracture
- internal fixation
- guide device
- femoral neck
- utility
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Abstract
The utility model relates to an internal fixation multifunctional guide device for the fracture of a femur neck, which comprises an integral guide frame formed by the connection of a straight edge and a curved edge. A guide hole is arranged in a curved edge body, and the included angle alpha of the central line of the guide hole and the extension line of a straight edge body is from 50 DEG to 55 DEG. The utility model is designed according to the physiology shape of femurs and conventional positions of the fracture. Before the needling operation during the internal fixation, the guide device is installed firstly, and then, a user can actualize needling operation along an inner hole of a guide pipe. Because the inner diameter of the guide pipe is greater than that of a corresponding fixing needle, the utility model has certain adjusting space. The utility model is universal for the left side and the right side. The utility model can be used for closed internal fixation through skins by a connecting sleeve and a straight strip connecting member.
Description
This utility model relates to the assistive device of fracture fixation, uses when specially being suitable for the fracture of femoral neck internal fixation.
The human femur under loading fracture of cervical vertebra is carried out internal fixation treatment, the existing guide pin of beating three wing nail and compression screw fixation that adopts, or with bone wire nail internal fixation, or fix with cancellous bone screw etc.But above-mentioned various pin or nail are all long, be installed in the enterprising line operate of instrument again, accuracy is low when inserting needle, easy deviation, and degree of waving is big, often occur penetrating cortical bone or not passing fracture end, there is blindly inserting needle, threads a needle repeatedly, cause unnecessary surrounding tissue damage, even aseptic necrosis of femoral head appears, increase the patient suffering.At present, the aid that does not also have a kind of special-purpose fracture of femoral neck internal fixation.
The aid of inserting needle to guarantee the accuracy of inserting needle, alleviated patient's misery when the purpose of this utility model was a kind of fracture of femoral neck internal fixation of design.
The technical scheme of this utility model fracture of femoral neck internal fixation multifunctional guide device is: by link to each other with the bent limit leading truck of one of a straight flange, pilot hole is arranged in Qu Bianti, it is 50 °～55 ° that the extension line of the centrage of pilot hole and straight flange body intersects angle α.
Fracture of femoral neck internal fixation multifunctional guide device of the present utility model, so-called pilot hole is 5 or is less than 5 among its Qu Bianti, it is 52 °～53 ° that the extension line of the centrage of pilot hole and straight flange body intersects angle α, and this angle designs according to the physiological feature of femur.
Fracture of femoral neck internal fixation multifunctional guide device of the present utility model, so-called its cross section of straight flange body is a curved surface, and subsequent corrosion R is 10～40mm, and curved surface is fit to circular femur needs when operation.
Fracture of femoral neck internal fixation multifunctional guide device of the present utility model is installed the guide pipe that matches in its pilot hole, the pin of drawing endoporus is arranged in the guide pipe.Drawing pinhole diameter is 2-5mm.
Fracture of femoral neck internal fixation multifunctional guide device of the present utility model, its straight flange body has the coupling sleeve of a cooperation, and is fluted in the coupling sleeve, and groove matches with the external wall of straight flange.Coupling sleeve has been arranged, can connect other straight-bar, extended the action function of straight flange body.
The utility model discloses fracture of femoral neck internal fixation multifunctional guide device, be to design according to the physiology shape of femur and the common site that takes place to fracture, before fracture internal fixation inserting needle, earlier that this guider is good and sound, guide pipe endoporus inserting needle in pilot hole again, because the internal diameter of guide pipe is bigger than corresponding locking pin, so certain adjusting leeway is arranged.Its good effect is: 1, inserting needle direction accuracy height, zero deflection; 2, processing ease; 3, reduce the surrounding tissue damage; 4, patient can operate under head of a bed traction, avoids moving; 5, need only the fracture end good apposition, needle angle is not influenced by patient posture; 6, be applicable to that basic hospital is universal; 7, reduce expectant treatment patient bed rest time; 8,5 pilot holes are arranged in this apparatus, left and right sides lower limb is general.
Fig. 1 is a fracture of femoral neck internal fixation multifunctional guide device front view;
Fig. 2 is a fracture of femoral neck internal fixation multifunctional guide device upward view;
Fig. 3 is a fracture of femoral neck internal fixation multifunctional guide device B-B schematic cross-section;
Fig. 4 is the guide pipe sketch map of fracture of femoral neck internal fixation multifunctional guide device;
Fig. 5, Fig. 6 are the guide pipe end view of fracture of femoral neck internal fixation multifunctional guide device;
Fig. 7 is the coupling sleeve vertical view of fracture of femoral neck internal fixation multifunctional guide device;
Fig. 8 is the coupling sleeve front view of fracture of femoral neck internal fixation multifunctional guide device.
Below in conjunction with Fig. 1-Fig. 8 embodiment of the present utility model is done detailed explanation.
1, straight flange body; 2, Qu Bianti; 3, straight flange body extension line; 4, pilot hole centrage; 5, pilot hole; 6, straight flange body section curved surface; 7, guide pipe; 8, guide pipe endoporus; 9, guide pipe endoporus; 10, coupling sleeve; 11, coupling sleeve groove; 12, fixing hole.
This utility model is the guider when being used for the fracture of femoral neck internal fixation treatment, and is convenient when this apparatus inserting needle has been arranged, accurate.The one head is a straight flange body 1, straight flange body end face is a curved surface, and subsequent corrosion is generally 10-40mm, and the best is 30mm, straight flange is shown consideration on thigh or femur (when cutting fixedly), curved surface is fit to the needs of femur circle, and the other end is Qu Bianti 2, leans against the part under the femoral greater trochanter, pilot hole 5 is arranged in Qu Bianti, pilot hole can design 5, and it is general both to be suitable for left and right sides lower limb, selects for use in a hole when being convenient to inserting needle again or a plurality of hole (many staples).The centrage 4 of pilot hole is 50～55 ° with the crossing angle α of the extension line 3 of straight flange body, and best 52～53 °, this is decided by 125～130 ° according to the angle angle of femoral shaft and neck of femur.In order to prolong the length of guiding, guide pipe 7 is installed in pilot hole 5, pin is entered from the endoporus 8,9 of guide pipe, and internal diameter is selected 2-5mm, adapts to the existing different types of needs of locking pin.For ease of prolonging the straight flange body, so adopt coupling sleeve 10, the groove 11 in the coupling sleeve is used for the vertical bar connected body and the straight flange body cooperates, and vertical bar connector fixing hole 12 is arranged, and does through closed fixing the using of skin.When making the skin external fixation, also the length of guider straight flange body can be stretched to more than the 30cm, and without connector.This guider can be made one with guide pipe and main body, and its internal diameter is 2～15mm, and does not make guide pipe in addition.And guider can be made into universal or independent left lower limb type in the left and right sides or right lower limb type.After guide pipe was inserted in one of them hole of pilot hole, other any another hole can be managed as with reference to " coordinate ", directly makes 10mm with interior compression screw fixation internal fixation.
This guider can be made by metal or plastics, and particularly plastics are made disposable use guider.
Claims (8)
1, fracture of femoral neck internal fixation multifunctional guide device, it is characterized in that having the straight flange leading truck of one that links to each other with bent limit, pilot hole (5) is arranged in Qu Bianti (2), and the centrage of pilot hole (4) is 50 °～55 ° with the crossing angle α of the extension line (3) of straight flange body (1).
2, fracture of femoral neck internal fixation multifunctional guide device as claimed in claim 1 is characterized in that the pilot hole among the Qu Bianti (2) is 5 or is less than 5, and the centrage of pilot hole (4) is 52 °～53 ° with the crossing angle α of the extension line (3) of straight flange body.
3, fracture of femoral neck internal fixation multifunctional guide device as claimed in claim 1, the cross section that it is characterized in that the straight flange body is a curved surface (6), subsequent corrosion R is 10～40mm.
4, fracture of femoral neck internal fixation multifunctional guide device as claimed in claim 1 is characterized in that guide pipe (7) is installed in the pilot hole (5), and the pin of drawing endoporus (9,8) is arranged in the guide pipe, and diameter of bore is 2-5mm.
5, fracture of femoral neck internal fixation multifunctional guide device as claimed in claim 1 is characterized in that straight flange body (1) has the coupling sleeve (10) of a cooperation, fluted in the coupling sleeve (11).
6, fracture of femoral neck internal fixation multifunctional guide device as claimed in claim 1 is characterized in that guider made by metal or plastics.
7, fracture of femoral neck internal fixation multifunctional guide device as claimed in claim 1 is characterized in that guider makes universal or left lower limb type of left and right lower limb or right lower limb type.
8, fracture of femoral neck internal fixation multifunctional guide device as claimed in claim 1 is characterized in that guide pipe and guider main body make one, and its internal diameter is 2～15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94207510 CN2187048Y (en) | 1994-04-01 | 1994-04-01 | Internal fixation multi-functional guide for fracture of neck of femur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94207510 CN2187048Y (en) | 1994-04-01 | 1994-04-01 | Internal fixation multi-functional guide for fracture of neck of femur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2187048Y true CN2187048Y (en) | 1995-01-11 |
Family
ID=33825821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94207510 Expired - Fee Related CN2187048Y (en) | 1994-04-01 | 1994-04-01 | Internal fixation multi-functional guide for fracture of neck of femur |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2187048Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101366657B (en) * | 2008-10-09 | 2010-06-09 | 中国人民解放军第三军医大学 | Multifunctional intra-articular fracture guide apparatus |
-
1994
- 1994-04-01 CN CN 94207510 patent/CN2187048Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101366657B (en) * | 2008-10-09 | 2010-06-09 | 中国人民解放军第三军医大学 | Multifunctional intra-articular fracture guide apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |