CN202313815U - Extramedullary indicating locator for implanting knee joint single condyle replacement femoral prosthesis - Google Patents
Extramedullary indicating locator for implanting knee joint single condyle replacement femoral prosthesis Download PDFInfo
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- CN202313815U CN202313815U CN201120434578XU CN201120434578U CN202313815U CN 202313815 U CN202313815 U CN 202313815U CN 201120434578X U CN201120434578X U CN 201120434578XU CN 201120434578 U CN201120434578 U CN 201120434578U CN 202313815 U CN202313815 U CN 202313815U
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- knee joint
- femoral prosthesis
- single condyle
- marrow
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Abstract
The utility model discloses an extramedullary indicating locator for implanting knee joint single condyle replacement femoral prosthesis in the technical field of locating equipment, which comprises a fixing rod, an oblique adjustable lever, a locating level, a horizontal adjustable lever and a connecting adjustable level, wherein the connecting end heads of the fixing rod, the oblique adjustable lever, the locating level, the horizontal adjustable lever and the connecting adjustable level are orderly connected in series to form a loop, and the connecting points of the fixing rod, the oblique adjustable lever, the locating level, the horizontal adjustable lever and the connecting adjustable level are movably connected. The extramedullary indicating locator for implanting knee joint single condyle replacement femoral prosthesis can indicate trend of an anatomical femoral shaft outside a body, can overcome the defects of an intramedullary localization method, is located rigidly, eliminates influence of soft tissues, and eliminates locating deviation caused by experience issues. The extramedullary indicating locator for implanting knee joint single condyle replacement femoral prosthesis is simple in operation, and accurate in locating.
Description
Technical field
The utility model relates to a kind of device of positioning equipment technical field, specifically is that a kind of marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis is indicated localizer outward.
Background technology
(Unicompartmental Knee Arthroplasty only is meant surface replacement is carried out in chamber between the knee joint inboard or the outside UKA) that its main purpose is to substitute the cartilage surface that knee joint shin femur is damaged to the single condyle replacement of knee joint.Along with the progress of surgical technic and the improvement of apparatus and prosthetic designs, the success rate of UKA progressively improves, the application of less invasive techniques; Otch is littler; Need not the patella that turns up, to the patient to stretch knee joint device damage minimum, help patient's out-of-bed activity more early and active functions exercise.These all make present single condyle replacement have good surgical effect more and more to be accepted by the clinicist with satisfied prosthese survival rate.
As shown in Figure 1, the single condyle displacement of existing knee joint is partly to change knee joint inboard or outer surface into metal prostheses, and femoral prosthesis 6, tibial prosthesis 7 and meniscus liner 8 constitute the single condyle prosthese 1 of complete knee joint.Correct prosthese position will directly influence surgical effect and prosthese survival rate at a specified future date.Because the visual field is less in the Minimally Invasive Surgery art, so need locate indication line of force direction when placing femoral prosthesis.
All adopt locating rod in the marrow during femur side prosthesis of being expert at present displacement, promptly a guide post 9 inserts pulp cavity through the entry point of recommending, and these guide post 9 trends are femur anatomical axis, and then the indication femoral prosthesis is placed.Earlier will be during practical application at the DF opening, with leading in the long guide pin reeve pulp cavity, this root guide pin must be parallel with femur anatomical axis.
Adopt the shortcoming of placement prosthese in location in guide post 9 marrows to be: to use guide post 9 to be difficult to accurate location anatomical axis as guiding; The patella difficulty of turning up in the Minimally Invasive Surgery operating process, this also can influence the insertion of guide post 9; Opening pulp cavity increases the amount of bleeding of postoperative in the art, owing to reasons such as wound cause the DF deformity, often makes locating rod insertion difficulty or guiding inaccurate.
The utility model content
The purpose of this utility model just is to overcome the defective of locating rod in the above-mentioned use marrow; Thereby provide a kind of marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis to indicate localizer outward; To reach the external femur anatomical axis trend that indicates, can avoid locating rod shortcoming in the marrow, and be the rigidity location; Get rid of the soft tissue influence, got rid of the deviations that causes because of experience problem.And simple to operate, accurate positioning.
For achieving the above object; The marrow that the single condyle displacement of knee joint femoral prosthesis implants of being used for of this utility model is indicated localizer to comprise fixed bar, tilt adjustment bar, locating rod, lateral adjustments bar outward and is connected adjusting rod, and fixed bar, tilt adjustment bar, locating rod, lateral adjustments bar and the connection termination that is connected adjusting rod are connected in series successively and form the loop and junction point is flexible connection.
Said tilt adjustment bar and fixed bar intersect vertically, and are provided with first control handle between tilt adjustment bar and the fixed bar, and this tilt adjustment bar can be upwards perhaps movable downwards through the first control handle relative fixed bar.
Said tilt adjustment bar adopts light transmissive material.
The angle of the bending part of said tilt adjustment bar is 125 degree.
Said connection adjusting rod and fixed bar intersect vertically, and connect between adjusting rod and the fixed bar to be provided with second control handle, and this connects adjusting rod can be upwards perhaps movable downwards through the second control handle relative fixed bar.
Said connection adjusting rod adopts light transmissive material.
Said lateral adjustments bar intersects vertically with being connected adjusting rod, and the lateral adjustments bar is provided with the 3rd control handle with being connected between the adjusting rod, and this lateral adjustments bar can connect adjusting rod inwardly or outwards movable relatively through the 3rd control handle.
Said lateral adjustments bar adopts light transmissive material.
The link of said locating rod and tilt adjustment bar is first joint, and this first joint is the spheroidal structure, and the link of this locating rod and lateral adjustments bar is a second joint, and this second joint is the spheroidal structure.First joint and second joint all can be the angle arbitrarily, and can not have mobile.
The zone line of said locating rod is provided with the intercalation structure, and this intercalation structure can make locating rod extend perhaps shortening and not influence the location.
Said locating rod adopts light-proof material.
Said fixed bar is provided with air bag, and this air bag can be inflated, and this air bag is wide to be 8cm.
Said fixed bar is long to be 15cm, and height is 3cm, and wide is 2cm.
Said fixed bar is a light transmissive material.
When this utility model used, fixed bar was set to and the thigh axis, fixed bar is close to the thigh far-end outside places, and air bag is fixed on the thigh; Regulate the tilt adjustment bar, make first joint leave skin 1-2cm and get final product, lock first control handle; Regulate the connection adjusting rod, down auxiliary in C shape arm X line machine perspective, when locating rod and femur sagittal plane central axes, lock second control handle; Regulate the lateral adjustments bar, down auxiliary in C shape arm X line machine perspective, when locating rod and femur coronalplane central axes, lock second control handle; Positioned, the trend of locating rod are the complete runs parallel of femur anatomical axis; Direction according to locating rod guides is put into femoral prosthesis.
This utility model can be avoided locating rod shortcoming in the marrow, and for the rigidity location, get rid of the soft tissue influence in the external femur anatomical axis trend that indicates, and has got rid of the deviations that causes because of experience problem.Simple to operate, accurate positioning.
Description of drawings
Fig. 1 is the structural representation of existing guide post positioning mode.
Fig. 2 is the structural representation of this utility model.
Fig. 3 is the structural representation of embodiment 1.
Fig. 4 is the structural representation of the locating rod intercalation structure of embodiment 1.
The specific embodiment
Be described further with the technical characterictic of specific embodiment below in conjunction with accompanying drawing this utility model.Should be understood that following examples only are used to this utility model is described but not the scope that is used to limit this utility model.
As shown in Figure 2; The marrow that the single condyle displacement of knee joint femoral prosthesis implants of being used for of this utility model is indicated localizer to comprise fixed bar 21, tilt adjustment bar 22, locating rod 23, lateral adjustments bar 24 outward and is connected adjusting rod 25, and fixed bar 21, tilt adjustment bar 22, locating rod 23, lateral adjustments bar 24 and the connection termination that is connected adjusting rod 25 are connected in series successively and form the loop and junction point is flexible connection.
Said tilt adjustment bar 22 intersects vertically with fixed bar 21, is provided with first control handle 31 between tilt adjustment bar 22 and the fixed bar 21, and this tilt adjustment bar 22 can be upwards perhaps movable downwards through first control handle, 31 relative fixed bars 21.
Said tilt adjustment bar 22 adopts light transmissive material.
The included angle A of the bending part of said tilt adjustment bar 22 is 125 degree.
Said connection adjusting rod 25 intersects vertically with fixed bar 21, connects between adjusting rod 25 and the fixed bar 21 to be provided with second control handle 32, and this connection adjusting rod 25 can make progress or activity downwards through second control handle, 32 relative fixed bars 21.
Said connection adjusting rod 25 adopts light transmissive material.
Said lateral adjustments bar 24 intersects vertically with being connected adjusting rod 25, and lateral adjustments bar 24 is provided with the 3rd control handle 33 with being connected between the adjusting rod 25, and this lateral adjustments bar 24 can connect adjusting rods 25 inwardly or outwards movable relatively through the 3rd control handle 33.
Said lateral adjustments bar 24 adopts light transmissive material.
Said locating rod 23 is first joint 41 with the link of tilt adjustment bar 22, and this first joint 41 is the spheroidal structure, and this locating rod 23 is a second joint 42 with the link of lateral adjustments bar 24, and this second joint 42 is the spheroidal structure.First joint 41 all can be the angle arbitrarily with second joint 42, and can not have mobile.
As shown in Figure 4, the zone line of said locating rod 23 is provided with intercalation structure 10, and this intercalation structure 10 can make locating rod 23 extend perhaps shortening and not influence the location.
Said locating rod 23 adopts light-proof material.
Said fixed bar 21 is provided with air bag 211, and this air bag 211 can be inflated, and this air bag 211 is wide to be 8cm.
Said fixed bar 21 length are 15cm, and height is 3cm, and wide is 2cm.
Said fixed bar 21 is a light transmissive material.
As shown in Figures 2 and 3, when this utility model uses, fixed bar 21 is set to and thigh 2 axis, fixed bar 21 is close to the thigh 2 far-ends outside places, air bag 211 is fixed on the thigh 2; Regulate tilt adjustment bar 22, make first joint 41 leave skin 1-2cm and get final product, lock first control handle 31; Adjusting connects adjusting rod 25, and is down auxiliary in C shape arm X line machine perspective, when locating rod 23 and femur sagittal plane central axes, locks second control handle 32; Regulate lateral adjustments bar 24, down auxiliary in C shape arm X line machine perspective, when locating rod 23 and femur coronalplane central axes, lock second control handle 32; Positioned, the trend of locating rod 23 are the complete runs parallel of femur anatomical axis; Direction according to locating rod 23 guides is put into femoral prosthesis 6.
This utility model can be avoided the shortcoming of locating rod in the marrow, and for the rigidity location, get rid of the soft tissue influence in the external femur anatomical axis trend that indicates, and has got rid of the deviations that causes because of experience problem.Simple to operate, accurate positioning.
Claims (9)
1. a marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis is indicated localizer outward; Comprise fixed bar, tilt adjustment bar, locating rod, lateral adjustments bar and be connected adjusting rod; It is characterized in that fixed bar, tilt adjustment bar, locating rod, lateral adjustments bar and the connection termination that is connected adjusting rod are connected in series successively and form loop and junction point for flexibly connecting.
2. the marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis according to claim 1 is indicated localizer outward; It is characterized in that; Said tilt adjustment bar and fixed bar intersect vertically; Be provided with first control handle between tilt adjustment bar and the fixed bar, said tilt adjustment bar adopts light transmissive material, and said fixed bar is a light transmissive material.
3. the marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis according to claim 1 is indicated localizer outward, it is characterized in that the angle of the bending part of said tilt adjustment bar is 125 degree.
4. the marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis according to claim 1 is indicated localizer outward, it is characterized in that said connection adjusting rod and fixed bar intersect vertically, and connects between adjusting rod and the fixed bar to be provided with second control handle;
Said connection adjusting rod adopts light transmissive material.
5. according to claim 1ly be used for the marrow that the single condyle displacement of knee joint femoral prosthesis implants and indicate localizer outward, it is characterized in that said lateral adjustments bar intersects vertically with being connected adjusting rod, the lateral adjustments bar is provided with the 3rd control handle with being connected between the adjusting rod;
Said lateral adjustments bar adopts light transmissive material.
6. the marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis according to claim 1 is indicated localizer outward; It is characterized in that; The link of said locating rod and tilt adjustment bar is first joint; This first joint is the spheroidal structure, and the link of this locating rod and lateral adjustments bar is a second joint, and this second joint is the spheroidal structure.
7. the marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis according to claim 1 is indicated localizer outward, it is characterized in that the zone line of said locating rod is provided with the intercalation structure.
8. the marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis according to claim 1 is indicated localizer outward, it is characterized in that said locating rod adopts light-proof material.
9. the marrow that is used for the implantation of the single condyle displacement of knee joint femoral prosthesis according to claim 1 is indicated localizer outward, it is characterized in that said fixed bar is provided with air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120434578XU CN202313815U (en) | 2011-11-04 | 2011-11-04 | Extramedullary indicating locator for implanting knee joint single condyle replacement femoral prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120434578XU CN202313815U (en) | 2011-11-04 | 2011-11-04 | Extramedullary indicating locator for implanting knee joint single condyle replacement femoral prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202313815U true CN202313815U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120434578XU Expired - Fee Related CN202313815U (en) | 2011-11-04 | 2011-11-04 | Extramedullary indicating locator for implanting knee joint single condyle replacement femoral prosthesis |
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| Country | Link |
|---|---|
| CN (1) | CN202313815U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976808A (en) * | 2014-05-28 | 2014-08-13 | 上海市杨浦区中心医院 | Unicondylar arthroplasty femoral prosthesis implantation indicator |
| CN104027190A (en) * | 2014-06-05 | 2014-09-10 | 南京大学医学院附属鼓楼医院 | Femoral extramedullary positioning device for knee joint replacement |
| CN106726023A (en) * | 2016-12-30 | 2017-05-31 | 北京爱康宜诚医疗器材有限公司 | Joint position calibrating installation |
| CN107184294A (en) * | 2017-05-18 | 2017-09-22 | 青岛大学附属医院 | Distal femur rotational positioner |
| CN107669328A (en) * | 2017-11-20 | 2018-02-09 | 陈聚伍 | 2 Multi-dimensional positioning devices of femoral interlocking nail and localization method |
-
2011
- 2011-11-04 CN CN201120434578XU patent/CN202313815U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976808A (en) * | 2014-05-28 | 2014-08-13 | 上海市杨浦区中心医院 | Unicondylar arthroplasty femoral prosthesis implantation indicator |
| CN104027190A (en) * | 2014-06-05 | 2014-09-10 | 南京大学医学院附属鼓楼医院 | Femoral extramedullary positioning device for knee joint replacement |
| CN106726023A (en) * | 2016-12-30 | 2017-05-31 | 北京爱康宜诚医疗器材有限公司 | Joint position calibrating installation |
| CN107184294A (en) * | 2017-05-18 | 2017-09-22 | 青岛大学附属医院 | Distal femur rotational positioner |
| CN107184294B (en) * | 2017-05-18 | 2018-11-16 | 青岛大学附属医院 | Distal femur rotational positioner |
| CN107669328A (en) * | 2017-11-20 | 2018-02-09 | 陈聚伍 | 2 Multi-dimensional positioning devices of femoral interlocking nail and localization method |
| CN107669328B (en) * | 2017-11-20 | 2024-03-26 | 陈聚伍 | Two-point multidimensional positioning device for femoral intramedullary nail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20161104 |