CN209018922U - A kind of knee joint front and rear fork ligament reparation positioning sighting device - Google Patents
A kind of knee joint front and rear fork ligament reparation positioning sighting device Download PDFInfo
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- CN209018922U CN209018922U CN201821414863.3U CN201821414863U CN209018922U CN 209018922 U CN209018922 U CN 209018922U CN 201821414863 U CN201821414863 U CN 201821414863U CN 209018922 U CN209018922 U CN 209018922U
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- China
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- sighting device
- knee joint
- rear fork
- main structure
- guide rod
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Abstract
The utility model relates to the technical fields of medical instrument, more specifically, it is related to a kind of knee joint front and rear fork ligament reparation positioning sighting device, the sighting device of setting is close to including the main structure being slidably connected and with knee joint bone tissue, the main structure is equipped with the sliding slot for accommodating sighting device sliding；One end of the main structure is equipped with the clamp device for limiting sighting device Yu sliding slot relative position, and the other end is equipped with guide rod；The cavity that Kirschner wire or drill bit pass through can be accommodated by being equipped in the guide rod；The guide rod is flexibly connected with main structure.Bone tissue is close to, by the axis for being centrally disposed in guide rod in the portion that aims at by the utility model by aiming portion, realizes the operation of positional punch；Surgeon can be selected according to operation concrete condition different faces, different angles rebuild repair cruciate ligaments of knee joint the positioning of point, and overall structure is light and handy, easy-to-use, accurate positioning, can allow surgeon flexibility, accurately operation control.
Description
Technical field
The utility model relates to the technical fields of medical instrument, repair more particularly, to a kind of knee joint front and rear fork ligament
Sighting device is positioned again.
Background technique
It causes kneed unstable after cruciate ligaments of knee joint fracture, a series of complication occurs.With minimally invasive surgery
Fast development, rebuild or repair ligamentaum cruciatum before and after knee joint with arthroscopic techniques and have shown that wound is small, it is fast to restore
Advantage.The application for the sighting device that can be accurately positioned can be improved surgical quality, reduce patient suffering.
Currently, existing knee joint front and rear fork ligament reparation positioning sighting device is by parts such as main body, sighting device, guide rods
Composition, sighting device and main body are cooperated using dovetail groove mode, and guide rod and main body are locked using ratchet self-locking manner；Pass through guiding
Bar inner hole and sighting device head two o'clock line determine the track for aiming at punching.However, the tail portion of this sighting device cannot be held
Easily there is deviation when guiding Kirschner wire in bone tissue, influences the flexibility and accuracy of doctor's operation.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and it is fixed to provide a kind of knee joint front and rear fork ligament reparation
Position sighting device, surgeon can select different faces, different angles to carry out rebuilding reparation knee according to operation concrete condition
Joint ligamentaum cruciatum point positioning, the flexibility of operation and accuracy are improved.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of knee joint front and rear fork ligament reparation positioning sighting device is provided, including the main structure that is slidably connected and with
Knee joint bone tissue is close to the sighting device of setting, and the main structure is equipped with the sliding slot for accommodating sighting device sliding；The main body knot
One end of structure is equipped with the clamp device for limiting sighting device Yu sliding slot relative position, and the other end is equipped with guide rod；It is described to lead
The cavity that Kirschner wire or drill bit pass through can be accommodated by being equipped with into bar；The guide rod is flexibly connected with main structure.
The knee joint front and rear fork ligament reparation of the utility model positions sighting device, and sighting device is slided with respect to main structure,
Different angle positions can be fastened in the sliding slot of main structure under the action of clamp device, bone group is close on sighting device head
It knits, guide rod is directed toward sighting device head, and Kirschner wire, drill bit all pass through this track positional punch.The overall structure of the utility model
Lightly, easy-to-use, can allow surgeon flexibility, accurately operation control.
Further, the sighting device is equipped with the aiming portion for being close to setting with bone tissue far from one end of sliding slot, described to lead
It is set on same straight line to rod axis and aiming portion center.When in use, bone tissue is close in aiming portion, and guide rod passes through main body knot
Structure be directed toward aiming portion, for Kirschner wire, drill bit entrance and exit determining track, realize preferable locating effect.
Further, the sighting device is additionally provided with interconnecting piece and the sliding part with sliding slot cooperation, the aiming portion, connection
Portion, sliding part are sequentially connected with；The sliding part is using aiming portion as the center of circle, using the linear distance at interconnecting piece both ends as the circle of radius
Arcuate structure.The setting of arc-shaped structure ensures that the position in aiming portion when sliding part slides adjustment tightening angle in sliding slot can
It remains unchanged, the center in aiming portion is always positioned on the extended line of guiding rod axis, and the adjustment of tightening angle does not influence positional operand
Make.
Further, the sliding slot is the dovetail groove cooperated with arc-shaped structure, and the central angle of the arc-shaped structure is
40°~60°.The setting of dovetail groove can guarantee the close contact of dovetail groove and sliding part, and stable connection is firm, guarantee preferable
Locating effect.
Further, the sliding part is equipped with the scale for marking tightening angle.Setting 40 °, 45 °, 50 °, 55 °,
60 ° of scale, convenient for quickly adjustment tightening angle.
Further, the aiming portion is annular structure, and the center of circle of the annular structure is set to guiding rod axis
On extended line, guidance Kirschner wire positioning.
Further, the aiming portion is arc structure, and the center of circle of the arc structure is set to the extension of guiding rod axis
On line, empty avoiding guides Kirschner wire positioning.
Further, the aiming portion connects the clamping section of oriented main structure curving far from one end of interconnecting piece,
Preferably to hold bone tissue, it is ensured that the accuracy of operation.
Further, the guide rod periphery is evenly equipped with screw thread, and the main structure is equipped with the spiral shell cooperated with guide rod
Hole.When operation, bone tissue is close in aiming portion, rotary steering bar, which is pushed ahead, makes its fastening, it is ensured that subsequent positioning and drilling
Everything goes well with your work carries out.
Further, the clamp device is screw, and one end of the screw, which is contacted across main structure with sighting device, to be set
It sets.When needing to adjust tightening angle, unscrewing screw be can be adjusted；When adjusting to suitable tightening angle, tightening screw is
Tightening angle can be fixed.
Compared with prior art, the utility model has the beneficial effects that
(1) bone tissue is close to, by the axis for being centrally disposed in guide rod in the portion that aims at by the utility model by aiming portion, real
The operation of existing positional punch；The overall structure of the utility model is light and handy, easy-to-use, accurate positioning, can allow surgeon flexibility, standard
Really operate control.
(2) the knee joint front and rear fork ligament of the utility model repairs sighting device, tight between main structure and sighting device
Gu angle is adjustable, and can be suitable for the knee joint front and rear fork of different patients by the fixed tightening angle of clamp device
The reparation of ligament positions, and has wide range of applications.
Detailed description of the invention
Fig. 1 is that the knee joint front and rear fork ligament of embodiment one repairs the structural schematic diagram of sighting device.
Fig. 2 is the structural schematic diagram that the knee joint front and rear fork ligament of embodiment one repairs the sighting device of sighting device.
Fig. 3 is that the knee joint front and rear fork ligament of embodiment two repairs the structural schematic diagram of sighting device.
Fig. 4 is that the knee joint front and rear fork ligament of embodiment three repairs the structural schematic diagram of sighting device.
In attached drawing: 1- main structure；11- sliding slot；12- clamp device；2- sighting device；21- aiming portion；22- interconnecting piece；
23- sliding part；The clamping section 24-；25- transition arc；3- guide rod；4- Kirschner wire.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
First as shown in Figure 1 to Figure 2 for the knee joint front and rear fork ligament reparation positioning sighting device of the utility model is real
Example is applied, the sighting device 2 of setting is close to including the main structure 1 being slidably connected and with knee joint bone tissue, main structure 1 is equipped with
Accommodate the sliding slot 11 of sighting device sliding；One end of main structure 1 is equipped with the fastening for limiting sighting device Yu sliding slot relative position
Device 12, the other end are equipped with guide rod 3；The cavity that Kirschner wire 4 or drill bit pass through can be accommodated by being equipped in guide rod 3；Guiding
Bar 3 is flexibly connected with main structure 1.
The present embodiment implement when, sighting device 2 can be slided with respect to main structure 1, can under the action of clamp device 12
It is fastened on different angle positions in the sliding slot 11 of main structure 1, so that bone tissue is close on 2 head of sighting device, guide rod 3 refers to
To 2 head of sighting device, Kirschner wire 4, drill bit all pass through this track positional punch.
Specifically, as shown in Fig. 2, sighting device 2 is equipped with the aiming portion 21 for being close to setting with bone tissue far from one end of sliding slot,
Sighting device further includes interconnecting piece 22 and the sliding part 23 with the cooperation of sliding slot 11, and aiming portion 21, interconnecting piece 22, sliding part 23 are sequentially
Connection；It is the center of circle, using the linear distance at 22 both ends of interconnecting piece as the arc structure of radius that sliding part 23, which is using aiming portion 21, it is ensured that
The position in aiming portion 21 is able to maintain constant, the center in aiming portion 21 when sliding part 23 slides adjustment tightening angle in sliding slot 11
It is always positioned on the extended line of 3 axis of guide rod, the adjustment of tightening angle does not influence positioning operation；Wherein, 3 axis of guide rod with
21 center of aiming portion is set on same straight line, and bone tissue is close in aiming portion 21 when use, and guide rod 3 passes through main structure direction and takes aim at
Quasi- portion 21, for Kirschner wire, drill bit entrance and exit determining track, realize preferable locating effect.
The sliding slot 11 of the present embodiment is the dovetail groove cooperated with arc-shaped structure, can guarantee dovetail groove and sliding part 23
It is in close contact, stable connection is firm；The central angle of arc-shaped structure is 40 ° ~ 60 °, and correspondingly, sliding part is equipped with for marking
40 ° of the scale of tightening angle, 45 °, 50 °, 55 °, 60 °, in order to quickly adjust tightening angle.
As shown in Fig. 2, aiming portion 21 is arc structure, the center of circle of arc structure is set on the extended line of 3 axis of guide rod,
Empty avoiding guides Kirschner wire 4 or drill bit positioning；The aiming portion 21 of the present embodiment is not limited to arc structure, can be according to practical application
Occasion is designed as the shapes such as annulus.Preferably to hold bone tissue, it is ensured that the accuracy of operation, in aiming portion 21 far from interconnecting piece
One end connect the clamping section 24 of oriented main structure curving.
3 periphery of guide rod in the present embodiment is evenly equipped with screw thread, and main structure 1 is equipped with the screw hole cooperated with guide rod,
When operation, bone tissue is close in aiming portion 21, promoting guide rod 3 to push ahead makes its fastening, it is ensured that subsequent positioning and drilling
Everything goes well with your work carries out；Clamp device 12 is screw, and one end of screw passes through main structure 1 and contacts setting with sighting device 2, works as needs
When adjusting tightening angle, unscrewing screw be can be adjusted；When adjusting to suitable tightening angle, tightening screw can fix fastening
Angle.
The interconnecting piece of the present embodiment is S type structure, and the reparation suitable for knee joint rear fork ligament shin bone positions.Implementing
When, guide rod 3 is pre-installed in main structure 1 and is inserted into shallower distance, and sighting device 2 is inserted by knee surgery wound channel, so that
It is close to bone tissue in aiming portion 21.
Embodiment two
The knee joint front and rear fork ligament for being illustrated in figure 3 the utility model repairs the second embodiment of sighting device, this reality
It is similar with embodiment one to apply example, institute the difference is that, aiming portion 21 is annular structure, and the center of circle of annular structure is set to and leads
To on the extended line of 3 axis of bar, guidance Kirschner wire positioning；Interconnecting piece 22 is arc, the femur suitable for knee joint rear fork ligament
Reparation positioning.The present embodiment pre-installs guide rod 3 in main structure 1 and is inserted into shallower distance, pass through knee surgery when implementing
Aiming portion 21 is inserted into wound channel, and interconnecting piece 22 is surrounded on the outside of knee joint, so that bone tissue is close in aiming portion 21.
Embodiment three
The knee joint front and rear fork ligament for being illustrated in figure 4 the utility model repairs the 3rd embodiment of sighting device, this reality
It is similar with embodiment one to apply example, institute the difference is that, aiming portion 21 is annular structure, and the center of circle of annular structure is set to and leads
To on the extended line of 3 axis of bar, guidance Kirschner wire positioning；Interconnecting piece 22 is linear structure, between linear structure and aiming portion 21
Equipped with the transition arc 25 coincideing with knee joint, the reparation positioning of the shin bone suitable for knee joint front fork ligament.The present embodiment exists
When implementation, guide rod 3 being pre-installed in main structure 1 and is inserted into shallower distance, aiming portion 21 is inserted by knee surgery wound channel,
Interconnecting piece 22 is placed on the outside of knee joint, and the path of transition arc 25 and operation path coincide, and aiming portion 21 is kept to be close to bone tissue.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of knee joint front and rear fork ligament reparation positions sighting device, which is characterized in that including the main structure being slidably connected
And it is close to the sighting device of setting with knee joint bone tissue, the main structure is equipped with the sliding slot for accommodating sighting device sliding；It is described
One end of main structure is equipped with the clamp device for limiting sighting device Yu sliding slot relative position, and the other end is equipped with guide rod；
The cavity that Kirschner wire or drill bit pass through can be accommodated by being equipped in the guide rod；The guide rod is flexibly connected with main structure.
2. knee joint front and rear fork ligament reparation according to claim 1 positions sighting device, which is characterized in that the aiming
Device is equipped with the aiming portion for being close to setting with bone tissue far from one end of sliding slot, and the guiding rod axis and aiming portion center are set to same
On one straight line.
3. knee joint front and rear fork ligament reparation according to claim 2 positions sighting device, which is characterized in that the aiming
Device is additionally provided with interconnecting piece and the sliding part with sliding slot cooperation, and the aiming portion, interconnecting piece, sliding part are sequentially connected with；The cunning
Dynamic portion is using aiming portion as the center of circle, using the linear distance at interconnecting piece both ends as the arc-shaped structure of radius.
4. knee joint front and rear fork ligament reparation according to claim 3 positions sighting device, which is characterized in that the sliding slot
For the dovetail groove cooperated with arc-shaped structure, the central angle of the arc-shaped structure is 40 ° ~ 60 °.
5. knee joint front and rear fork ligament reparation according to claim 3 positions sighting device, which is characterized in that the sliding
Portion is equipped with the scale for marking tightening angle.
6. knee joint front and rear fork ligament reparation according to claim 2 positions sighting device, which is characterized in that the aiming
Portion is annular structure, and the center of circle of the annular structure is set on the extended line of guiding rod axis.
7. knee joint front and rear fork ligament reparation according to claim 2 positions sighting device, which is characterized in that the aiming
Portion is arc structure, and the center of circle of the arc structure is set on the extended line of guiding rod axis.
8. knee joint front and rear fork ligament reparation according to claim 7 positions sighting device, which is characterized in that the aiming
Portion connects the clamping section of oriented main structure curving far from one end of interconnecting piece.
9. knee joint front and rear fork ligament reparation according to any one of claims 1 to 8 positions sighting device, feature exists
In the guide rod periphery is evenly equipped with screw thread, and the main structure is equipped with the screw hole cooperated with guide rod.
10. knee joint front and rear fork ligament reparation according to claim 9 positions sighting device, which is characterized in that described tight
It is fixedly mounted with and is set to screw, one end of the screw passes through main structure and contacts setting with sighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821414863.3U CN209018922U (en) | 2018-08-30 | 2018-08-30 | A kind of knee joint front and rear fork ligament reparation positioning sighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821414863.3U CN209018922U (en) | 2018-08-30 | 2018-08-30 | A kind of knee joint front and rear fork ligament reparation positioning sighting device |
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| Publication Number | Publication Date |
|---|---|
| CN209018922U true CN209018922U (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821414863.3U Active CN209018922U (en) | 2018-08-30 | 2018-08-30 | A kind of knee joint front and rear fork ligament reparation positioning sighting device |
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| CN (1) | CN209018922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108969085A (en) * | 2018-08-30 | 2018-12-11 | 广州市天鹰精密工具有限公司 | A kind of knee joint front and rear fork ligament reparation positioning sighting device |
-
2018
- 2018-08-30 CN CN201821414863.3U patent/CN209018922U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108969085A (en) * | 2018-08-30 | 2018-12-11 | 广州市天鹰精密工具有限公司 | A kind of knee joint front and rear fork ligament reparation positioning sighting device |
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