CN202143649U - Fixing system for lantern ring and ossature - Google Patents
Fixing system for lantern ring and ossature Download PDFInfo
- Publication number
- CN202143649U CN202143649U CN201120194003U CN201120194003U CN202143649U CN 202143649 U CN202143649 U CN 202143649U CN 201120194003 U CN201120194003 U CN 201120194003U CN 201120194003 U CN201120194003 U CN 201120194003U CN 202143649 U CN202143649 U CN 202143649U
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- collar
- hone lamella
- sidewall
- bone fixation
- support division
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Abstract
The utility model discloses a fixing system for a lantern ring and an ossature. The lantern ring is connected with a bone lamella in an embedding way so as to fix a relative position of a bone peg and the bone lamella, and the lantern ring is provided with a side wall which is provided with a plurality of gaps. The lantern ring further comprises a lower propping part and an upper propping part. The upper propping part and the lower propping part respectively prop against one surface of the bone lamella and the other corresponding surfaces. With the fixing system for the lantern ring and the ossature, a single pivoting hole of the bone lamella can provide locking with multiple directions and multiple angles, so that the bone peg can be locked in an optimal angle, the condition of penetrating a joint is avoided, and a comminuted area and an area with serious osteoporosis can be avoided; and furthermore, the operation is easy and the damage of a device is avoided, thus reducing trouble of medical personnel.
Description
Technical field
This utility model is a kind of collar and a kind of bone fixation systems, especially about a kind of collar and a kind of bone fixation systems of using the above-mentioned collar that is used for fixing the relative position of nail and hone lamella.
Background technology
The method of traditional treatment fracture; Be to carry out bone at the truncation surface of two knochenbruch through operation to engage; And hone lamella is attached at fracture site, the screw of accomplishing fluently in advance through hone lamella with nail again is locked in the joint between two knochenbruch; And then make nail produce contention effect, thereby quicken the healing rate of two knochenbruch at the joint of two knochenbruch.The fixed structure of employed hone lamella and nail when general medical circles are directed against fracture; The design that utilizes the screw of nail and hone lamella to lock each other mostly; If yet the patient is osteoporotic fracture or comminuted fracture, this traditional type interlocking structure but has degree of difficulty in operation.Because of nail only can be locked according to the fluted angle of screw internal fixation; So that the risk that nail runs through articular surface is high; In case and the screw below just is positioned at the crushed zone or the serious osteoporosis district of bone; The angle of inclination that then must painstakingly pull nail is to avoid crushed zone or serious osteoporosis district, and this measure will cause the process of holing and locking to improve sizable degree of difficulty, though nail deviation 10 degree under the fixing threaded hole environment still can provide acceptable degree of stability with interior simultaneously; Yet the screw of locking by force that the result causes and the destruction of spiral shell head will make nail cycle use once again.
With the TaiWan, China patent announcement is example number M282644 number; It discloses a kind of fixation of fractures device structure, and this holder can provide multi-direction in the single pivot hole of hone lamella and multi-angle is locked to form the design of an adjustable direction formula, and the tolerable nail is according to the place of the dense bone of patient; Lock with best angle; And can adjust nail in a big way and lock the position, make operator more smooth in operation process, and utilize the angle cover to have the guide screw hole of each angle; Can pass hone lamella with fixing two knochenbruch along the angle in guide screw hole for nail, make operator not have anxiety and the nail that nail runs through the joint and can avoid crushed zone or serious osteoporosis district.Yet; Because the TaiWan, China patent announcement number M282644 number is to utilize the bottom side, pivot hole of hone lamella to be the fixed design of the mutual inlay card of trip that the corresponding adjustment conduit of cross and angle cover are the overhead kick shape; So after using the position and direction that upward user must be aligned by top anticipation trip and adjustment conduit; Impose enormous pressure with special tool(s) again; Make the angle cover interfere the overhead kick position of trip to be forced in the pivot hole of inserting hone lamella, therefore must design and develop hand-held tool and the tool that forces press-in device, angle is enclosed within the installation process simultaneously; When desire is taken out the angle cover if discovery angle cover spiral angle is improper; Also need use special powerful hand-held tool to take out simultaneously by contracting in the trip overhead kick part of hone lamella below with the angle cover, this mode of operation causes the trip overhead kick part of angle cover damaged easily, thereby the medical worker in the operation is caused puzzlement.
Therefore; This technical field need develop a kind of fixation of fractures device structure that can be applicable at present, can in the single pivot hole of hone lamella, locking of multi-direction and multi-angle be provided, and nail can be locked with best angle; And avoid running through the joint and avoid the crushed zone or serious osteoporosis district; And under maneuverable prerequisite, avoid device damaged, and then reduce puzzlement the medical worker.
Summary of the invention
The purpose of this utility model is to provide a kind of collar and bone fixation systems; This collar can apply a pressure with easy instrument and can rabbet and be fixed on the hone lamella; Mode of operation is easier, and in the process of interlocking, can avoid the collar damaged, and then reduces the medical worker is caused puzzlement.
Another purpose of this utility model is to provide a kind of collar and bone fixation systems; The collar of the perforation through replacing different specified angles; The angle that makes nail lock changes, and then in the single pivot hole of hone lamella, locking of multi-direction and multi-angle is provided, and lets the doctor be able to the different situations according to patient's damaged part; Select the suitable angle and the collocation of nail for use; Nail can be locked with best angle, and avoid running through the joint and avoid the crushed zone or serious osteoporosis district, best quality of medical care is provided with this.
For realizing above-mentioned purpose, this utility model provides a kind of collar, is embedded in a hone lamella, and in order to the relative position of a fixing nail and hone lamella, the collar has a sidewall, and sidewall has a plurality of spaces.
In the embodiment of this utility model, the collar further includes support division on the support division and, and following support division is positioned at the basal surface of the collar and the intersection of sidewall; Extend to form outward from sidewall, in order to be held in a lower surface of hone lamella, last support division is positioned at the top surface of the collar and the intersection of sidewall; In order to be held in a upper surface of hone lamella; Wherein, lower surface and skeleton link, and upper surface is with respect to lower surface.In addition, extend to the top surface of the collar along the normal vector direction of basal surface from the basal surface of the collar in those spaces, and be formed at the sidewall of the collar with the mode of matrix.The collar further has a perforation, and the bearing of trend of perforation and the horizontal direction of hone lamella are a specified angle.Specified angle is greater than 100 degree or less than 80 degree.
Another purpose of this utility model is to provide a kind of bone fixation systems, and it includes a hone lamella, a nail and a collar, and this collar is embedded in this hone lamella, and in order to the relative position of fixing bone pin and hone lamella, the collar has a sidewall, and sidewall has a plurality of spaces.。
In the embodiment of this utility model, hone lamella has a upper surface and a lower surface, and lower surface and skeleton link; Upper surface is with respect to lower surface, and lower surface includes sunk structure, supports in order to the following support division that supplies the above-mentioned collar; Upper surface includes sunk structure on; Last support division in order to supply the above-mentioned collar supports, and lower recess structure and last sunk structure interconnect perforation, makes the above-mentioned collar be able to interlocking and is fixed on the hone lamella.In this specific embodiment, lower recess structure and last sunk structure see through a pivot hole and interconnect perforation.
Compared to prior art; The bone fixation systems of this utility model is carried out strain through the sidewall of the collar; Feasible support division down passes through the pivot hole of hone lamella and is held in the lower recess structure of hone lamella; Be held in the last sunk structure of hone lamella through last support division in addition, and then make collar interlocking be fixed on the hone lamella.And through setting up a plurality of spaces on sidewall; Making the collar of this utility model to apply a pressure with easy instrument can rabbet and be fixed on the hone lamella; Mode of operation is easier, and in the process of interlocking, can avoid the collar damaged, and then reduces the medical worker is caused puzzlement.The perforation of the bone fixation systems of this utility model through the collar simultaneously produces with nail and cooperates closely, adds that the collar is rabbeted to be fixed on the hone lamella, and then makes hone lamella when nail is locked skeleton, to be fixed on the skeleton.And pass through the collar of the perforation of the different specified angles of displacement; The angle that makes nail lock changes, and then in the single pivot hole of hone lamella, locking of multi-direction and multi-angle is provided, and lets the doctor be able to the different situations according to patient's damaged part; Select the suitable angle and the collocation of nail for use; Nail can be locked with best angle, and avoid running through the joint and avoid the crushed zone or serious osteoporosis district, best quality of medical care is provided with this.
Can detail and appendedly graphicly further understood through following utility model about the advantage of this utility model and spirit.
Description of drawings
Figure 1A is the lateral cut-away section sketch map according to the bone fixation systems of a specific embodiment of this utility model.
Figure 1B is the cut-away section sketch map according to the front of the bone fixation systems of a specific embodiment of this utility model.
Fig. 2 is the schematic perspective view according to the collar of a specific embodiment of this utility model.
Fig. 3 is the upward view according to the collar of a specific embodiment of this utility model.
Fig. 4 is the vertical view according to the collar of a specific embodiment of this utility model.
The specific embodiment
See also Figure 1A, Figure 1A is the lateral cut-away section sketch map according to the bone fixation systems of a specific embodiment of this utility model.This utility model provides a kind of bone fixation systems 1, in order to skeleton is fixed.The bone fixation systems 1 of this utility model comprises a hone lamella 30, a nail 40 and a collar 10.The collar 10 is embedded in hone lamella 30, in order to the relative position of fixing bone pin 40 with hone lamella 30.In practical application, nail 40 can be a screw, and screw can be by giving birth to doctor's material manufacture, gives birth to doctor's material and comprises the material that carbon fiber, metal, reinforced plastics and other can be compatible with human body.Nail 40 penetrates the collar 10 and is locked in the skeleton, and 10 relative positions with nail 40 and hone lamella 30 of the collar are fixed simultaneously, and then make the relative position of skeleton, nail, the collar and hone lamella be able to fix.
See also Figure 1B, Figure 1B is the cut-away section sketch map according to the front of the bone fixation systems of a specific embodiment of this utility model.In this specific embodiment; Hone lamella 30 has a upper surface 32 and a lower surface 34; Lower surface 34 links with skeleton, and upper surface 32 is with respect to lower surface 34, and lower surface 34 includes sunk structure 38; Upper surface 32 includes sunk structure 36 on, and lower recess structure 38 interconnects perforation with last sunk structure 36.In this specific embodiment, lower recess structure 38 sees through a pivot hole 39 with last sunk structure 36 and interconnects perforation, and makes the collar 10 be able to be embedded in hone lamella 30 through pivot hole 39.Yet it does not exceed with above-mentioned design, and hone lamella 30 also can directly interconnect through lower recess structure 38 and last sunk structure 36 and connect the structure that forms the function with pivot hole, for the collar 10 interlockings.
In this specific embodiment, lower recess structure 38 is formed at the lower surface 34 of hone lamella 30, and the notch area of lower recess structure 38 is greater than the hole size in pivot hole 39; Wherein, Lower recess structure 38 is an oval slotted eye, however its do not exceed with above-mentioned design, it also can be the recess structure that a strip groove or corresponds to pivot hole 39 shapes; Moreover it also can be other recess structure that meets above-mentioned functions and characteristic.Last sunk structure 36 is formed at the upper surface 32 of hone lamella 30; The notch area of last sunk structure 36 is also greater than the hole size in pivot hole 39, and the notch area of going up sunk structure 36 forms parabolic along with extending and reduce to lower surface 34; Wherein, The concave shape of last sunk structure 36 in upper surface 32 places is oval, however its also do not exceed with above-mentioned design, it also can be one and corresponds to the recess structure that pivot hole 39 shapes or correspond to lower recess structure 38 shapes; Moreover it also can be other recess structure that meets above-mentioned functions and characteristic.
See also Fig. 2, Fig. 2 is the schematic perspective view according to the collar of a specific embodiment of this utility model.The collar 10 has a sidewall 12, and sidewall 12 is a circulus, and sidewall 12 has a plurality of spaces 14.In this specific embodiment, those spaces 14 make sidewall 12 when the collar 10 is embedded in hone lamella 30, can have enough spaces to carry out strain.
Please consult Figure 1B and Fig. 2 again.In this specific embodiment, the collar 10 further includes support division 19 on the support division 18 and, and following support division 18 is positioned at the basal surface of the collar 10 and the intersection of sidewall 12; In order to the lower surface 34 that is held in hone lamella 30; Last support division 19 is positioned at the top surface of the collar 10 and the intersection of sidewall 12, in order to the upper surface 32 that is held in hone lamella 30, wherein; Basal surface and skeleton link, and top surface is with respect to basal surface.In this specific embodiment; Following support division 18 extends to form from sidewall 12 outward; And be divided into a plurality of sections by a plurality of spaces 14; Make that support division 18 is rendered as a circulus similar in appearance to sidewall 12 down, wherein descend area that support division 18 encloses hole size, make lower holding part 18 under normal circumstances can be held in lower surface 34 and avoid penetrating 39 slippages of pivot hole greater than pivot hole 39.Last support division 19 also extends to form from sidewall 12 outward; And the amount of its extension top surface near the collar 10 more is many more; Make that going up support division 19 is rendered as the approximate paraboloidal structure of a part; Wherein go up area that support division 19 encloses also greater than the hole size in pivot hole 39, make that going up support division 19 under normal circumstances can be held in upper surface 32 and avoid penetrating 39 slippages of pivot hole.
In addition, in this specific embodiment, following support division 18 passes through pivot hole 39 and further is held in the lower recess structure 38 of hone lamella 30, and 19 of last support divisions further are held in the last sunk structure 36 of hone lamella 30.
Please consult Figure 1B again; In this specific embodiment, the collar 10 passes through pivot hole 39 from the upper surface 32 of hone lamella 30, and makes that through the strain of sidewall 12 support division 18 inwardly contracts down; To let down area that support division 18 encloses hole size less than pivot hole 39; And then let down support division 18 pass through pivot hole 39 and arrive the lower recess structure 38 that is positioned at lower surface 34 from the upper surface 32 of hone lamella 30, because the notch area of lower recess structure 38 greater than the hole size in pivot hole 39, therefore can provide enough spaces to let down support division 18 be able to expand outwardly through the strain of sidewall 12; And the shape of recovery before passing through pivot hole 39; And, when therefore the shape before passing through pivot hole 39 is recovered at support division 18 infra sunk structures 38 places instantly, can further be held in lower recess structure 38 before passing through pivot hole 39 because the area that following support division 18 encloses is the hole size greater than pivot hole 39; Avoid down support division 18 to penetrate pivot hole 39 once more, cause the collar 10 slippage from the hone lamella 30 from the lower surface 34 of hone lamella 30.In addition; When infra support division 18 passes through pivot hole 39; Because the area that the last support division 19 of the collar 10 encloses also greater than the hole size in pivot hole 39, therefore can be held in the last sunk structure 36 that is positioned at upper surface 32, avoids the collar 10 whole pivot holes 39 that penetrate; Cause slippage from the hone lamella 30, and then make the collar 10 be fixed on the hone lamella 30.
See also Fig. 2 and Fig. 3, Fig. 3 is the upward view according to the collar of a specific embodiment of this utility model.In this specific embodiment, extend to the top surface of the collar 10 along the normal vector direction of basal surface from the basal surface of the collar 10 in those spaces 14, that is those spaces 14 are vertical each other with the basal surface of the collar 10.Those spaces 14 are that the mode with matrix is formed at this sidewall; Wherein the mode of matrix is meant and is evenly distributed on the sidewall 12; That is to say that those spaces 14 will descend support division 18 and sidewall 12 to be evenly divided into a plurality of sections near the part of descending support division 18, carry out strain in order to sidewall 12.
In practical application, because the existence in those spaces 14 is arranged, make sidewall 12 when carrying out strain, competent space can be arranged, thereby the material that reduces sidewall 12 push the generation that reduces resistance each other.More, a plurality of spaces 14 carry out strain individually owing to being divided into several sections with sidewall 12; Make sidewall 12 when carrying out strain; Can reduce material to each other because the different shear stress that produced of strain direction; Reduce the stress concentration of material simultaneously, and then reduce the resistance of strain and avoid material to wreck.Therefore, compared to existing hone lamella fixture, the collar of this utility model applies a pressure with easy instrument can be rabbeted and be fixed on the hone lamella, and in the process of interlocking, can avoid damaged, and then reduces the medical worker is caused puzzlement.
Please consult Figure 1A and Fig. 4 again, Fig. 4 is the vertical view according to the collar of a specific embodiment of this utility model.In this specific embodiment, the collar 10 of this utility model has a perforation 16 in addition, and perforation 16 runs through the top surface and the basal surface of the collar 10.In addition, the collar 10 further has an opening 13, and opening 13 is formed at the top surface of the collar 10.In practical application, perforation 16 has screw thread, in order to provide nail 40 interlocks.Perforation 16 is connected with opening 13; Nail 40 penetrates the collar 10 from the opening 13 that is positioned at top surface through perforation 16 and locks skeleton; Mutual interlock through screw thread and nail 40; Make nail 40 to produce and cooperate closely with the collar 10, and owing to the collar 10 interlockings are fixed on the hone lamella, and then make hone lamella 30 to be fixed on the skeleton.In addition, the bearing of trend of perforation 16 and the horizontal direction of hone lamella 30 are a specified angle 17.In practical application, specified angle 17 can that is can be various angles such as 60 degree, 70 degree, 110 degree, 120 degree greater than 100 degree or less than 80 degree, and therefore, nail 40 can be locked and is not limited to the right angle with multi-angle.
In practical application; The bone fixation systems of this utility model can be passed through the collar of the perforation of the different specified angles of displacement, and the angle that makes nail lock changes, and then in the single pivot hole of hone lamella, locking of multi-direction and multi-angle is provided; Let the doctor be able to different situations according to patient's damaged part; Select the suitable angle and the collocation of nail for use, make nail to lock, avoid running through the joint and avoid the crushed zone or serious osteoporosis district with best angle.
In sum; The bone fixation systems of this utility model is carried out strain through the sidewall of the collar; Feasible support division down passes through the pivot hole of hone lamella and is held in the lower recess structure of hone lamella, is held in the last sunk structure of hone lamella through last support division in addition, and then makes collar interlocking be fixed on the hone lamella.And through setting up a plurality of spaces on sidewall; Making the collar of this utility model to apply a pressure with easy instrument can rabbet and be fixed on the hone lamella; Mode of operation is easier, and in the process of interlocking, can avoid the collar damaged, and then reduces the medical worker is caused puzzlement.The perforation of the bone fixation systems of this utility model through the collar simultaneously produces with nail and cooperates closely, adds that the collar is rabbeted to be fixed on the hone lamella, and then makes hone lamella when nail is locked skeleton, to be fixed on the skeleton.And pass through the collar of the perforation of the different specified angles of displacement; The angle that makes nail lock changes, and then in the single pivot hole of hone lamella, locking of multi-direction and multi-angle is provided, and lets the doctor be able to the different situations according to patient's damaged part; Select the suitable angle and the collocation of nail for use; Nail can be locked with best angle, and avoid running through the joint and avoid the crushed zone or serious osteoporosis district, best quality of medical care is provided with this.
Through the detailed description of above preferred embodiment, be to hope to know more the characteristic and spirit of describing this utility model, and be not to come the category of this utility model is limited with the above-mentioned preferred embodiment that is disclosed.On the contrary, its objective is that hope can contain in the category of the claim that is arranged in the desire application of this utility model institute of various changes and tool equality.
Claims (19)
1. a collar is embedded in a hone lamella, and in order to the relative position of a fixing nail and this hone lamella, it is characterized in that: this collar has a sidewall, and this sidewall has a plurality of spaces.
2. the collar as claimed in claim 1 is characterized in that: this collar includes support division, is positioned at the basal surface of this collar and the intersection of this sidewall, and in order to be held in a lower surface of this hone lamella, this lower surface and skeleton link.
3. the collar as claimed in claim 2 is characterized in that: this time support division extends to form from this sidewall outward.
4. the collar as claimed in claim 2 is characterized in that: this collar includes support division on, is positioned at the top surface of this collar and the intersection of this sidewall, and in order to be held in a upper surface of this hone lamella, this upper surface is with respect to this lower surface.
5. the collar as claimed in claim 1 is characterized in that: those spaces are that the normal vector direction from the basal surface of this collar along basal surface is extended to the top surface of this collar.
6. the collar as claimed in claim 1 is characterized in that: those spaces are that the mode with matrix is formed at this sidewall.
7. the collar as claimed in claim 1 is characterized in that: this collar has a perforation, and the bearing of trend of this perforation and the horizontal direction of this hone lamella are a specified angle.
8. the collar as claimed in claim 7 is characterized in that: this specified angle is greater than 100 degree or less than 80 degree.
9. a bone fixation systems in order to skeleton is fixed, is characterized in that, includes:
One hone lamella;
One nail; And
One collar is embedded in this hone lamella, and in order to the relative position of fixing this nail and this hone lamella, this collar has a sidewall, and this sidewall has a plurality of spaces.
10. bone fixation systems as claimed in claim 9; It is characterized in that: this hone lamella has a upper surface and a lower surface; This lower surface and skeleton link, and this upper surface is with respect to this lower surface, and this lower surface includes sunk structure; This upper surface includes sunk structure on, and sunk structure interconnects perforation to this lower recess structure with being somebody's turn to do upward.
11. bone fixation systems as claimed in claim 10 is characterized in that: this collar includes support division, is positioned at the basal surface of this collar and the intersection of this sidewall, in order to be held in this lower surface of this hone lamella.
12. bone fixation systems as claimed in claim 11 is characterized in that: this time support division extends to form from this sidewall outward.
13. bone fixation systems as claimed in claim 11 is characterized in that: this time support division further is held in this lower recess structure.
14. bone fixation systems as claimed in claim 10 is characterized in that: this collar includes support division on, is positioned at the top surface of this collar and the intersection of this sidewall, in order to be held in this upper surface of this hone lamella.
15. bone fixation systems as claimed in claim 14 is characterized in that: support division further is held in sunk structure on this on this.
16. like claim 9 or 10 described bone fixation systems, it is characterized in that: extend to the top surface of this collar along the normal vector direction of basal surface from the basal surface of this collar in those spaces.
17. like claim 9 or 10 described bone fixation systems, it is characterized in that: those spaces are formed at this sidewall with the mode of matrix.
18. like claim 9 or 10 described bone fixation systems, it is characterized in that: this collar has a perforation, the bearing of trend of this perforation and the horizontal direction of this hone lamella are a specified angle.
19. bone fixation systems as claimed in claim 18 is characterized in that: this specified angle is greater than 100 degree or less than 80 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120194003U CN202143649U (en) | 2011-06-03 | 2011-06-03 | Fixing system for lantern ring and ossature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120194003U CN202143649U (en) | 2011-06-03 | 2011-06-03 | Fixing system for lantern ring and ossature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202143649U true CN202143649U (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120194003U Expired - Fee Related CN202143649U (en) | 2011-06-03 | 2011-06-03 | Fixing system for lantern ring and ossature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202143649U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20120168A1 (en) * | 2012-02-24 | 2013-08-25 | Medicomp S R L | MULTI-AXIAL FIXING SYSTEM FOR OSTEOSYNTHESIS |
| CN104814783A (en) * | 2015-04-23 | 2015-08-05 | 济南大学 | Locking pressurized bone fracture plate |
-
2011
- 2011-06-03 CN CN201120194003U patent/CN202143649U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20120168A1 (en) * | 2012-02-24 | 2013-08-25 | Medicomp S R L | MULTI-AXIAL FIXING SYSTEM FOR OSTEOSYNTHESIS |
| CN104814783A (en) * | 2015-04-23 | 2015-08-05 | 济南大学 | Locking pressurized bone fracture plate |
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| 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: 20120215 Termination date: 20140603 |