CN201295286Y - Three-in-one aiming device for femoral intramedullary nail - Google Patents
Three-in-one aiming device for femoral intramedullary nail Download PDFInfo
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- CN201295286Y CN201295286Y CNU2008201618020U CN200820161802U CN201295286Y CN 201295286 Y CN201295286 Y CN 201295286Y CN U2008201618020 U CNU2008201618020 U CN U2008201618020U CN 200820161802 U CN200820161802 U CN 200820161802U CN 201295286 Y CN201295286 Y CN 201295286Y
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- intramedullary needle
- guide rod
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- rod
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Abstract
The utility model relates to the technical field of medical devices, in particular to a three-in-one aiming device for a femoral intramedullary nail, and the three-in-one aiming device comprises a three-in-one aiming structure which is applicable to implanting the femoral intramedullary nail, a reconstruction intramedullary nail or a gamma intramedullary nail. The aiming device comprises a coupling sleeve which clamps the intramedullary nail, an L-shaped main guide rod, an auxiliary guide rod and a positioning device, the axial direction of the coupling sleeve is in the same direction with the main guide rod, the coupling sleeve is connected at the end part of a short arm of the main guide rod, the auxiliary guide rod can be detached and adjustably fixed on a long arm of the main guide rod, the other end of the auxiliary guide rod is connected with the positioning device, two aiming holes which are corresponding to a first screw hole of the femoral intramedullary nail, two aiming holes which are corresponding to the first screw holes of the reconstruction intramedullary nail and the gamma intramedullary nail and two aiming holes which are corresponding to a second screw hole of the gamma intramedullary nail are formed on the long arm of the main guide rod, and the aiming holes which are corresponding to the second screw hole of the femoral intramedullary nail and the second screw hole of the reconstruction intramedullary nail are formed on the auxiliary guide rod, thereby being easy to use.
Description
Technical field
This utility model relates to technical field of medical instruments, the three-in-one sighting device of especially a kind of femur intramedullary needle.
Background technology
Along with the further investigation of biomechanics, at present to human body bone fracture of shaft of femur, the intramedullary needle internal fixation is the prefered method of treatment.Its advantage is that intramedullary needle itself is more solid firm, and postoperative can be used less or without external fixation, help hindering the early ambulant exercise of limb; Skin incision is less, and intramedullary needle is long and the difformity corner angle are arranged, and embeds pulp cavity, can reach firm internal fixation, can avoid rotating, the generation of sidesway and angulation displacement.But it needs certain device, and operation is comparatively complicated.And for the difference at Fracture of femur position, the orthopaedics surgeon can adopt femur intramedullary needle, reconstruction intramedullary needle and three kinds of different intramedullary needles of gamma intramedullary needle that fracture patient is undergone surgery again, yet these three kinds of intramedullary needles are to adopt different special-purpose aiming appliances to undergo surgery, use certain intramedullary needle must use corresponding with it special equipment or adnexa, use very inconvenience.
The utility model content
The technical problems to be solved in the utility model is: in order to solve above-mentioned existing defective and deficiency, provide a kind of to femur, reconstruction, gamma intramedullary needle special equipment three and the three-in-one sighting device of femur intramedullary needle of unification.
The technical scheme that its technical problem that solves this utility model adopts is: the three-in-one sighting device of a kind of femur intramedullary needle, has the femur of being applicable to intramedullary needle, rebuild the three-in-one aiming structure that intramedullary needle and gamma intramedullary needle are implanted, three kinds of intramedullary needles all have two second screw holes of two first screw holes and lower end in upper end, described sighting device comprises the coupling sleeve of clamping intramedullary needle, the leading rod of L type, secondary guide rod and positioner, coupling sleeve axially and leading rod in the same way long-armed, coupling sleeve is connected the galianconism end of leading rod, secondary guide rod one end is detachable, adjustable ground is fixed on leading rod long-armed, the other end of secondary guide rod connects positioner, offer two sight holes corresponding on leading rod is long-armed with first screw hole of femur intramedullary needle, two with first screw hole of rebuilding intramedullary needle first screw hole and gamma intramedullary needle all can be corresponding sight hole, two sight holes corresponding with second screw hole of gamma intramedullary needle, offer on the secondary guide rod two with femur intramedullary needle second screw hole and reconstruction intramedullary needle second screw hole all can be corresponding sight hole, described positioner has makes sight hole corresponding with second screw hole of gamma intramedullary needle and the sight hole on the secondary guide rod all can navigate to the locating rod of second screw hole, by mounting screw cover in the sight hole, in the screw cover drill bushing is set, screw is set in the drill bushing, femur is connected by screw with intramedullary needle.
Regulate for convenience, secondary guide rod one end is detachable, adjustable ground is fixed on leading rod on long-armed is connected to joint form, leading rod and secondary guide rod are provided with the adjustment hole of regulating both laps of splice and direction and interting fixed connecting piece, adjustment hole comprise a connecting hole that is opened in the leading rod termination, two axial symmetry be arranged on leading rod near in the middle part of direction adjustment hole, at least two position adjustments holes that are arranged on secondary guide rod adjusted length of adjusting direction.
Regulate for convenience, secondary guide rod is provided with the scale of being convenient to determine the lap of splice.
This utility model has realized that to the special equipment of femur, reconstruction, gamma intramedullary needle " three and unify " doctor is adopting wherein a kind of operation plan to femur backbone fracture, only needs to use this cover apparatus can finish the operation overall process.
The beneficial effects of the utility model are that the three-in-one sighting device of femur intramedullary needle of the present utility model has solved in the usual operation and used the loaded down with trivial details of different special equipments for the special operation in different femurs position, convenient use, carrying convenience.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is the overall structure sketch map of the three-in-one sighting device of this utility model femur intramedullary needle;
Fig. 2 is the leading rod structure diagram of the three-in-one sighting device of this utility model femur intramedullary needle;
Fig. 3 is the partial structurtes vertical view of Fig. 2;
Fig. 4 is the structure diagram of femur intramedullary needle;
Fig. 5 is the plan structure overall diagram of Fig. 4;
Fig. 6 is a structure diagram of rebuilding intramedullary needle;
Fig. 7 is the plan structure overall diagram of Fig. 6;
Fig. 8 is the structure diagram of gamma intramedullary needle.
1. coupling sleeves among the figure, 2. leading rod, 3. secondary guide rod, 4. positioner is 5. with the femur intramedullary needle with rebuild the corresponding sight hole of intramedullary needle second screw hole, 6. with the corresponding sight hole of femur intramedullary needle first screw hole, 7. with reconstruction intramedullary needle and the corresponding sight hole of gamma intramedullary needle first screw hole, 8. with the corresponding sight hole of gamma intramedullary needle second screw hole, 9. femur intramedullary needle, 10. reconstruction intramedullary needle, 11. gamma intramedullary needles.
The specific embodiment
With preferred embodiment this utility model is described in further detail in conjunction with the accompanying drawings now.These accompanying drawings are the sketch map of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with this utility model.
As Fig. 1, Fig. 2, the three-in-one sighting device of femur intramedullary needle of best real-time mode shown in Figure 3, has the femur of being applicable to intramedullary needle 9, rebuild the three-in-one aiming structure that intramedullary needle 10 and gamma intramedullary needle 11 are implanted, three kinds of intramedullary needles all have two second screw holes of two first screw holes and lower end in upper end, described sighting device comprises the coupling sleeve 1 of clamping intramedullary needle, the leading rod 2 of L type, secondary guide rod 3 and positioner 4, coupling sleeve 1 axially and leading rod 2 in the same way long-armed, coupling sleeve 1 is connected the galianconism end of leading rod 2, secondary guide rod 3 one ends are detachable, adjustable ground is fixed on leading rod 2 long-armed, the other end of secondary guide rod 3 connects positioner 4, offer two sight holes corresponding 6 on leading rod 2 is long-armed with first screw hole of femur intramedullary needle 9, two with first screw hole of rebuilding intramedullary needle 10 first screw holes and gamma intramedullary needle 11 all can be corresponding sight hole 7, two sight holes corresponding 8 with second screw hole of gamma intramedullary needle 11, offer on the secondary guide rod 3 two with femur intramedullary needle 9 second screw holes and reconstruction intramedullary needle 10 second screw holes all can be corresponding sight hole 5, described positioner 4 has the locating rod that the sight hole 5 that makes on sight hole corresponding with second screw hole of gamma intramedullary needle 11 8 and the secondary guide rod 3 all can navigate to second screw hole, by mounting screw cover in the sight hole, in the screw cover drill bushing is set, screw is set in the drill bushing, femur is connected by screw with intramedullary needle.
Secondary guide rod one end is detachable, adjustable ground is fixed on leading rod 2 on long-armed is connected to joint form, leading rod 2 is provided with the adjustment hole of regulating both laps of splice and direction and interting fixed connecting piece with secondary guide rod 3, adjustment hole comprise a connecting hole 2-2 who is opened in leading rod 2 terminations, two axial symmetry be arranged on leading rod 2 near in the middle part of direction adjustment hole 2-1, at least two position adjustments hole 3-1 that are arranged on secondary guide rod 3 adjusted length of adjusting directions.Secondary guide rod 3 is provided with the scale of being convenient to determine the lap of splice.
When this utility model is implemented, choose suitable intramedullary needle according to the Fracture of femur position, choose femur intramedullary needle as shown in Figure 4 and Figure 5, earlier a hole is made a call in the femur termination, again intramedullary needle is connected with coupling sleeve, in the intramedullary needle implanted femur, mounting screw cover in the sight hole corresponding 6 on the leading rod 2 with first screw hole of femur intramedullary needle 9, in the screw cover drill bushing is set, be provided with screw in the drill bushing, screw be installed in first screw hole of intramedullary needle, more described sighting device is always installed by drill bushing, after the installation, in the sight hole 5 corresponding drill bushing is set on the secondary guide rod 3, screw is set in the drill bushing, screw is installed in second screw hole of intramedullary needle by drill bushing with femur intramedullary needle 9 second screw holes, at last single unit system is dismantled taking-up, the realization femur is fixedlyed connected with intramedullary needle.
Choose reconstruction intramedullary needle as shown in Figure 6 and Figure 7, its operation principle is identical with above-mentioned principle, by mounting screw cover in the corresponding sight hole 7 of first screw hole on the described leading rod 2 with rebuilding intramedullary needle 10 and gamma intramedullary needle 11, in the screw cover drill bushing is set, be provided with screw in the drill bushing, screw is installed in first screw hole of intramedullary needle by drill bushing, screw is installed in second screw hole of intramedullary needle by the drill bushing on the secondary guide rod 3, the realization femur is fixedlyed connected with intramedullary needle.
Choose gamma intramedullary needle as shown in Figure 8, its operation principle and above-mentioned principle are basic identical, do not need to install secondary guide rod 3, mounting screw covers in the sight hole 7 of the first screw hole correspondence by reconstruction intramedullary needle 10 on the described leading rod 2 and gamma intramedullary needle 11, in the screw cover drill bushing is set, be provided with screw in the drill bushing, screw is installed in first screw hole of intramedullary needle by drill bushing, by the drill bushing in the sight hole corresponding on the leading rod 28 with second screw hole of gamma intramedullary needle 11, screw is installed in second screw hole of intramedullary needle, the realization femur is fixedlyed connected with intramedullary needle.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the description, must determine its technical scope according to the claim scope.
Claims (3)
1. three-in-one sighting device of femur intramedullary needle, it is characterized in that: have the femur of being applicable to intramedullary needle (9), rebuild the three-in-one aiming structure that intramedullary needle (10) and gamma intramedullary needle (11) are implanted, three kinds of intramedullary needles all have two second screw holes of two first screw holes and lower end in upper end, described sighting device comprises the coupling sleeve (1) of clamping intramedullary needle, the leading rod of L type (2), secondary guide rod (3) and positioner (4), coupling sleeve (1) axially and leading rod (2) in the same way long-armed, coupling sleeve (1) is connected the galianconism end of leading rod (2), secondary guide rod one end is detachable, adjustable ground is fixed on leading rod (2) long-armed, the other end of secondary guide rod (3) connects positioner (4), offer two sight holes (6) corresponding on leading rod (2) is long-armed with first screw hole of femur intramedullary needle (9), two with first screw hole of rebuilding intramedullary needle (10) first screw holes and gamma intramedullary needle (11) all can be corresponding sight hole (7), two sight holes (8) corresponding with second screw hole of gamma intramedullary needle (11), offer on the secondary guide rod (3) two with femur intramedullary needle (9) second screw holes and reconstruction intramedullary needle (10) second screw holes all can be corresponding sight hole (5), described positioner (4) has makes sight hole (8) corresponding with second screw hole of gamma intramedullary needle (11) and the sight hole (5) on the secondary guide rod all can navigate to the locating rod of second screw hole.
2. the three-in-one sighting device of femur intramedullary needle according to claim 1, it is characterized in that: described secondary guide rod one end is detachable, adjustable ground is fixed on the joint form that is connected on leading rod (2) long-armed, leading rod (2) is provided with the adjustment hole of regulating both laps of splice and direction and interting fixed connecting piece with secondary guide rod (3), and adjustment hole comprises a connecting hole (2-2) that is opened in leading rod (2) termination, two axial symmetry are arranged on the nearly middle part of leading rod (2) and regulate the direction adjustment hole (2-1) of direction, at least two position adjustments holes (3-1) that are arranged on secondary guide rod (3) adjusted length.
3. the three-in-one sighting device of femur intramedullary needle according to claim 1 is characterized in that: described secondary guide rod (3) is provided with the scale of being convenient to determine the lap of splice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201618020U CN201295286Y (en) | 2008-10-21 | 2008-10-21 | Three-in-one aiming device for femoral intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201618020U CN201295286Y (en) | 2008-10-21 | 2008-10-21 | Three-in-one aiming device for femoral intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201295286Y true CN201295286Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201618020U Expired - Fee Related CN201295286Y (en) | 2008-10-21 | 2008-10-21 | Three-in-one aiming device for femoral intramedullary nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201295286Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693594A (en) * | 2019-11-07 | 2020-01-17 | 常州市康辉医疗器械有限公司 | Intramedullary nail sighting device |
| CN111067613A (en) * | 2019-12-25 | 2020-04-28 | 岳攀 | Rotary femoral intramedullary needle extractor |
-
2008
- 2008-10-21 CN CNU2008201618020U patent/CN201295286Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110693594A (en) * | 2019-11-07 | 2020-01-17 | 常州市康辉医疗器械有限公司 | Intramedullary nail sighting device |
| CN111067613A (en) * | 2019-12-25 | 2020-04-28 | 岳攀 | Rotary femoral intramedullary needle extractor |
| CN111067613B (en) * | 2019-12-25 | 2022-09-16 | 宿州微腾企业管理咨询服务有限公司 | Rotary femoral intramedullary needle extractor |
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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: 20090826 Termination date: 20171021 |