CN202146360U - Positioning and targeting device used for orthopaedic surgery - Google Patents
Positioning and targeting device used for orthopaedic surgery Download PDFInfo
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- CN202146360U CN202146360U CN201120250798U CN201120250798U CN202146360U CN 202146360 U CN202146360 U CN 202146360U CN 201120250798 U CN201120250798 U CN 201120250798U CN 201120250798 U CN201120250798 U CN 201120250798U CN 202146360 U CN202146360 U CN 202146360U
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- location
- plate
- vane
- positioning
- locating rack
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Abstract
The utility model discloses a positioning and targeting device used for an orthopaedic surgery. The positioning and targeting device comprises a targeting plate, a positioning plate, a positioning rack and a support or bracket, wherein two crossed lead bars are embedded or injection-molded on the targeting plate, the positioning plate is arranged coaxially to the targeting plate, a through-hole is formed on the positioning plate and in the position corresponding to the cross point of the lead bars of the targeting plate, the positioning rack holds the targeting plate or the positioning plate, and the support or the bracket is adjustable and used for supporting the positioning rack. Based on the principle that two points determine a line, the device can accurately target and position the lock hole of an intramedullary nail. The utility model makes full use of the conventional surgical conditions, solves the problem of poor positioning effect due to deformation in the prior art, and achieves the accurate positioning effect although the intramedullary nail deforms. The utility model can be applied to different types of intramedullary nails with or without positioning and targeting devices, can also be applied to the positioning of other bone nails in the orthopaedic surgery, and has the characteristics of accurate positioning effect and wide application range.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, especially a kind of location sighting device that is used for bone surgery.
Background technology
In the existing bone surgery, be mostly under the irradiation of X-ray machine, adopt interlocking intramedullary nail to implant in the medullary cavity of fracture patient, utilize the location sighting device, pass the lockhole of intramedullary pin, realize skeletal fixation the patient through pinning.The sighting device handle that is connected with intramedullary pin, the location mobile jib that is connected with handle and the locating racks of adopting in existing location constitute more, and for example application number is 200720031439.6 disclosed " intramedullary nail with lock positioners ".This location sighting device has solved the mobile problem of intramedullary pin, makes the location of intramedullary pin more accurate; But still have following weak point: 1, the location sighting device can produce distortion because of life-time service, thereby influences the aiming location of intramedullary pin; 2, intramedullary pin is in implantation process, because of a variety of causes may produce distortion, makes it and locatees sighting device and can't accurately locate; 3, the intramedullary pin of external import does not dispose the location sighting device, can only under the X-ray machine irradiation, utilize doctor's technology and the lockhole that experience is passed pinning intramedullary pin.
The utility model content
But the technical problem that this utility model will solve provides a kind of location sighting device that is used for bone surgery of accurate positioning extensive use.
For solving the problems of the technologies described above, the technical scheme that this utility model is taked is: it comprises vane, inlays or be perfused with the leads of two intersections on the described vane;
Location-plate, described location-plate and vane concentric are provided with, and location-plate has through hole at the place, leads cross point with respect to vane;
Locating rack, described locating rack is placed vane or location-plate;
Support or carriage, described support or carriage are adjustable structure, are used to support locating rack.
The above-mentioned location sighting device that is used for bone surgery, described location-plate is big or small with vane, shape is identical; Described locating rack is placed at least two vanes or location-plate simultaneously, between two vanes or the location-plate certain spacing is arranged.
As the technical scheme of this utility model, described locating rack is three sides surrounded square structure, is equipped with slot at the two ends of locating rack; The size of vane and location-plate, shape match with slot.
As another technical scheme of this utility model, described locating rack is cylindric, is provided with draw-in groove at the two ends of locating rack; The size of vane and location-plate, shape match with draw-in groove.
As another technical scheme of this utility model, described locating rack is cylindric or square tubular, is provided with interface at the two ends of locating rack; Vane and location-plate are fixed on separately respectively in the joint, and joint can be connected with interface.
As another technical scheme of this utility model, described locating rack is cylindric or square tubular, is provided with interface at an end of locating rack; Vane and location-plate are fixed on respectively in the joint in pairs, and joint can be connected with interface.
The above-mentioned location sighting device that is used for bone surgery, said location-plate can be the column that the center is provided with through hole, can also vane be processed radiotransparen column, all right simplified structure is processed integrative-structure with vane and location-plate.
The leads cross point of the said vane of this utility model is positioned at the center of vane; The through hole of location-plate is positioned at the center of location-plate equally.
The design principle of this utility model is: bone surgery all is under the irradiation of C shape arm X-ray machine, to carry out now, utilizes the perspective principle of X ray, on the display of X-ray machine, shows the situation in the skeleton.After being implanted into intramedullary pin at skeleton, intramedullary pin can show on display; Through rotating patient's fracture site, when the lockhole of intramedullary pin and X ray direction were consistent, lockhole can be shown as positive circle on display.Plumbous have stronger Absorption to X ray, can effectively block penetrating of X ray; This utility model in use like this; On locating rack, place two vanes of inlaying or pouring into leads; Through the position of carriage or bracket adjustment locating rack, just, angle of inclination etc.; The positive circle of lockhole that shows on the cross point that makes (or vane of column shape) leads on two vanes and the display is converged mutually; According to the principle that two points make a line, at this moment the leads cross point of two vanes (or vane of column shape) and lockhole are on the same straight line, realize the aiming of lockhole; Change vane into location-plate; Because of location-plate is big or small with vane, shape is identical; The location-plate through hole is corresponding with vane leads cross point, and at this moment the through hole on two location-plates (or location-plate of column shape) and the lockhole of intramedullary pin are in the straight line direction; Can accurately locate the position of lockhole like this through through hole.
Adopt the beneficial effect that technique scheme produced to be: this utility model utilizes the principle that two points make a line accurately to aim at the lockhole of locating intramedullary pin through plumbous blocking-up to X ray, can utilize existing surgical condition fully.This utility model utilizes X ray aiming location, has solved traditional location sighting device and has located inaccurate situation because of distortion, even intramedullary pin produces distortion, also can realize the location accurately.This utility model can be applied to various bands or not have the intramedullary pin of locating sighting device, also can be used for the location of the nail of other bone surgery, has the characteristics of accurate positioning, applied range.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment this utility model is done further detailed explanation.
Fig. 1 is the structural representation of this utility model;
Fig. 2 is the structural representation of aiming plate in this utility model;
Fig. 3 is the structural representation of location plate in this utility model;
Fig. 4 is the sketch map of another kind of locating rack structure in this utility model;
Fig. 5 is the sketch map of structure of the vane (location-plate) of integrative-structure in this utility model.
The specific embodiment
Fig. 1,2, shown in 3, the location sighting device that originally is used for bone surgery comprises vane 9, location-plate 10, locating rack 1 and support or carriage.Shown in Figure 2, inlay or be perfused with the leads 8 of two X-shapeds intersections on the described vane 9, the leads cross point is positioned at the center of vane 9, also can adopt the leads 8 of decussation.Shown in Figure 3, described location-plate 10 and vane 9 sizes, shape are identical, and location-plate 10 has through hole 11 at the place, leads cross point with respect to vane, and promptly through hole 11 is positioned at the center of location-plate 10.Described locating rack 10 can be placed between two vanes 9 or 10, two vanes 9 of location-plate or the location-plate 10 simultaneously at least has certain spacing.Described support or carriage are adjustable structure, are used to support locating rack; Support or carriage can adopt existing adjustable support or carrier structure; Supporting structure for example shown in Figure 1: the montant 2 that below locating rack 1, is rotationally connected, montant 2 cross bar 3 that is rotationally connected, cross bar 3 is connected with vertical pole 6; The lower end of pole 6 is provided with base 4, and base 4 is provided with spin 5.Be the position that spin 5 capable of using is regulated locating rack 1 all around like this; Utilize the rotation between cross bar 3 and montant 2 and the pole 6, regulate the upper-lower position of locating rack 1; Utilize the angle of inclination of the rotation relation adjusting locating rack 1 of montant 2 and locating rack 1.
The locating rack of this location sighting device can adopt following structure: as shown in Figure 1, locating rack 1 promptly forms the rear and front end by 3 three sides surrounded shapes of the affixed one-tenth of flat board, and the shape of a upper end or a side opening; Respectively be provided with a slot 7 at the two ends of locating rack, the size of vane and location-plate, shape match with slot.
Sighting device another kind of locating rack structure in this location is: shown in Figure 4, described locating rack 1 is cylindric or square tubular, is provided with interface 13 at the two ends of locating rack 1; Vane 9 is fixed on separately respectively in the joint 12 with location-plate, and joint 12 can be connected with interface 13.
Sighting device another locating rack structure in this location is: be that with locating rack structure difference shown in Figure 4 only the end at locating rack is provided with interface; Vane and location-plate are fixed on respectively in the joint in pairs, and joint can be connected with interface.
Sighting device another locating rack structure in this location is: described locating rack is cylindric, is provided with draw-in groove at the two ends of locating rack; The size of vane and location-plate, shape match with draw-in groove.
The vane of this location sighting device and location-plate also all can adopt the column structure, and the leads branch of vane is listed in the both sides of column, and the through hole of location-plate runs through column.Shown in Figure 5, vane and location-plate can be made into one, are the column structure; Vane is radiotransparen column, and leads 8, the two leads cross points that are equipped with intersection in the both sides of column all are positioned on its axle center, have through hole 11 in its axle center, can play the effect of location-plate simultaneously; All can be provided with a circle leads in the periphery, two ends of through hole 8, so that it realizes the aiming location more accurately.
The method for using of this location sighting device is: the skeleton that will implant intramedullary pin shines under X-ray machine, regulates patient's position, makes the lockhole of intramedullary pin on the display of X-ray machine, be shown as positive circle; This location sighting device is placed between X-ray machine and the patient; And on the locating rack 1 that this location sighting device is placed, settle a pair of vane 9; Regulate the position of locating rack 1, the lockhole that makes the joint of the X-shaped leads 8 of two vanes on the display be positioned at intramedullary pin shows orbicular center; Two vanes 9 are replaced by location-plate 10, utilize the through hole 11 of two location-plates, the location that can realize locking of intramedullary nail makes pinning pass lockhole accurately.
Claims (10)
1. location sighting device that is used for bone surgery, it is characterized in that: it comprises vane, inlays or be perfused with the leads of two intersections on the described vane;
Location-plate, described location-plate and vane concentric are provided with, and location-plate has through hole at the place, leads cross point with respect to vane;
Locating rack, described locating rack is placed vane or location-plate;
Support or carriage, described support or carriage are adjustable structure, are used to support locating rack.
2. the location sighting device that is used for bone surgery according to claim 1 is characterized in that:
Described location-plate is big or small with vane, shape is identical; Described locating rack is placed at least two vanes or location-plate simultaneously, between two vanes or the location-plate certain spacing is arranged.
3. the location sighting device that is used for bone surgery according to claim 1 is characterized in that: described locating rack is three sides surrounded square structure, is equipped with slot at the two ends of locating rack; The size of vane and location-plate, shape match with slot.
4. the location sighting device that is used for bone surgery according to claim 1 is characterized in that: described locating rack is cylindric, is provided with draw-in groove at the two ends of locating rack; The size of vane and location-plate, shape match with draw-in groove.
5. the location sighting device that is used for bone surgery according to claim 1 is characterized in that: described diopter and locating rack are cylindric or square tubular, are provided with interface at the two ends of locating rack; Vane and location-plate are fixed on separately respectively in the joint, and joint can be connected with interface.
6. the location sighting device that is used for bone surgery according to claim 1 is characterized in that: described locating rack is cylindric or square tubular, is provided with interface at an end of locating rack; Vane and location-plate are fixed on respectively in the joint in pairs, and joint can be connected with interface.
7. the location sighting device that is used for bone surgery according to claim 1 is characterized in that: said location-plate is the column that the center is provided with through hole.
8. according to claim 1 or the 7 described location sighting devices that are used for bone surgery, it is characterized in that: said vane is radiotransparen column.
9. the location sighting device that is used for bone surgery according to claim 8, it is characterized in that: vane and location-plate are structure as a whole.
10. be used for the location sighting device of bone surgery according to described any one of claim 1-7, it is characterized in that: the leads cross point of said vane is positioned at the center of vane; The through hole of location-plate is positioned at the center of location-plate equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120250798U CN202146360U (en) | 2011-07-15 | 2011-07-15 | Positioning and targeting device used for orthopaedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120250798U CN202146360U (en) | 2011-07-15 | 2011-07-15 | Positioning and targeting device used for orthopaedic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202146360U true CN202146360U (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120250798U Expired - Fee Related CN202146360U (en) | 2011-07-15 | 2011-07-15 | Positioning and targeting device used for orthopaedic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202146360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670296A (en) * | 2011-03-18 | 2012-09-19 | 创生医疗器械（中国）有限公司 | Intramedullary nail aiming device |
| CN107997813A (en) * | 2017-12-19 | 2018-05-08 | 吴悦维 | Image-guided lower pain target spot precisely punctures auxiliary guide device and piercing method |
-
2011
- 2011-07-15 CN CN201120250798U patent/CN202146360U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670296A (en) * | 2011-03-18 | 2012-09-19 | 创生医疗器械（中国）有限公司 | Intramedullary nail aiming device |
| CN102670296B (en) * | 2011-03-18 | 2014-10-22 | 创生医疗器械（中国）有限公司 | Intramedullary nail aiming device |
| CN107997813A (en) * | 2017-12-19 | 2018-05-08 | 吴悦维 | Image-guided lower pain target spot precisely punctures auxiliary guide device and piercing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20120715 |