CN106264800A - Secondary pressurized femoral prosthesis - Google Patents
Secondary pressurized femoral prosthesis Download PDFInfo
- Publication number
- CN106264800A CN106264800A CN201510315835.0A CN201510315835A CN106264800A CN 106264800 A CN106264800 A CN 106264800A CN 201510315835 A CN201510315835 A CN 201510315835A CN 106264800 A CN106264800 A CN 106264800A
- Authority
- CN
- China
- Prior art keywords
- cone
- secondary pressurized
- groove portion
- femoral prosthesis
- dag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a kind of secondary pressurized femoral prosthesis, including first and second, described first includes cone portion, and described second includes cone groove portion, and described cone portion matches with described cone groove portion, described second parts being to occur elastic deformation.The present invention is separately provided first and second, and first matched by the conical surface with second, second is first implanted when implanting, when coordinating insertion second by first, secondary pressurized can be carried out to second, when using at human body after completing to implant, also under human body pressure itself, secondary pressurized can be carried out to second, therefore can ensure the prosthese of the present invention fixing reliability in human body.
Description
Technical field
The present invention relates to prosthese, especially relevant with the structure of secondary pressurized femoral prosthesis.
Background technology
Hip joint is the important pivot connecting trunk with the lower part of the body, is related to the activity of lower limb body shell oneself
By spending, if but hip joint produces pathological changes or degeneration, as osteoarthritis, rheumatoid arthritis,
Ischemic necrosis of femoral head, fracture of femoral neck etc., often result in that sufferer limb activity is restricted, pain and shadow
Ring minimal invasive treatment's quality, the most even disablement, therefore, occur that above-mentioned situation typically requires and execute
Perform the operation with artificial hip joint replacing.
Traditional biological type type femoral bone end prosthesis is fixed, and is realized by the difference in size between Myelocavity file and femoral stem.
But clinical discovery, after Myelocavity file has operated, can be due to human body bone reason, corresponding type femoral bone end prosthesis is solid
Fixed the most insecure or art causes Myelocavity file to be squeezed into deeply because of many reasons, cause correspondence type femoral bone end prosthesis without
The situation appearance that method is fixing.Type femoral bone end prosthesis cannot be fixed and this prosthese can be caused cannot normally to use, therefore
Need the shank body selecting other models to be suitable for.And at present the shape of the prosthese of implantation therein and specification be in the preoperative
All it has been determined that good, once there is error in Myelocavity file operation, as deep in squeezed into, and may cause the handle of preparation
Cannot using of body, makes troubles to operation, so needing a kind of shank body variable format in art at present badly,
Ensure stable fixing femoral stem simultaneously.
Summary of the invention
For problems of the prior art, the purpose of the present invention, can be to human body for providing a kind of prosthese
Femoral bone cavitas medullaris carries out secondary pressurized thus ensures that it fixes reliability in human body.
For achieving the above object, technical scheme is as follows:
A kind of secondary pressurized femoral prosthesis, including first and second, described first includes cone
Portion, described second includes cone groove portion, and described cone portion matches with described cone groove portion, described second
For the parts of elastic deformation can occur.
In an optional embodiment, the interior outside of described cone portion is provided with press section, described extruding
Portion extrudes described cone groove portion.
In an optional embodiment, described cone groove portion includes body and dag, the position pair of described dag
Answering described press section, described dag one end connects described body, and the other end suspends, and described dag is coordinating
To described cone groove portion outer incline during described press section.
In an optional embodiment, described press section is gradual change type raised structures.
In an optional embodiment, before and after described cone portion, on side, it is provided with the first guiding structural, institute
State and on the position of described first guiding structural of correspondence boring groove portion, be provided with the second guiding structural, described first
Guiding structural matches with described second guiding structural.
In an optional embodiment, described first guiding structural is projection, and described second guiding structural is
Groove.
In an optional embodiment, the degree of depth that described projection height of projection is recessed more than described groove.
In an optional embodiment, between described cone portion with described cone groove portion, interference fit is connected.
In an optional embodiment, described cone portion is provided with first on the position of described second
Holding section, the position of corresponding described first holding section, described cone groove portion is provided with the second holding section, described
Carried out with coordinating of described second holding section by described first holding section between first with described second
Clamping.
In an optional embodiment, fixing even by connector between described first and described second
Connect.
The beneficial effects of the present invention is, the present invention compared with prior art, is separately provided in the present invention
One and second, and first matched by the conical surface with second, first implants second when implanting,
When coordinating insertion second by first, secondary pressurized can be carried out to second, use after completing to implant
When human body, also second can be carried out secondary pressurized under human body pressure itself, therefore can ensure this
The bright prosthese fixing reliability in human body, it is to avoid second operation, ensures the physical and mental health of patient, because of
The prosthese of this present invention has the best market prospect, has the strongest market competitiveness.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the present invention is described in further detail:
Fig. 1 is the structural representation of the secondary pressurized femoral prosthesis first embodiment of the present invention；
Fig. 2 is the structural representation of secondary pressurized femoral prosthesis second embodiment of the present invention；
Fig. 3 is the structural representation of secondary pressurized femoral prosthesis the 3rd embodiment of the present invention；
Fig. 4 is the sectional structure schematic diagram of secondary pressurized femoral prosthesis the 3rd embodiment of the present invention；
Fig. 5 be the present invention secondary pressurized femoral prosthesis the 3rd embodiment in the structural representation of connector.
Detailed description of the invention
Embodiment feature of present invention will describe the most in detail with the exemplary embodiments of advantage.Ying Li
Solve is that the present invention can have various changes in different embodiments, and it is all without departing from the present invention's
Scope, and explanation therein and accompanying drawing be inherently illustrated as being used, and be not used to limit the present invention.
The secondary pressurized femoral prosthesis of the present invention includes first and second, and first includes cone portion,
Second includes cone groove portion, and cone portion matches with cone groove portion, and second for can occur elastic deformation
Parts.When by the Using prosthesis human body of the present invention, first by second implantation, then by first implantation
In second, matched with cone groove portion by cone portion, carry out secondary when implanting first to second and add
Pressure, after completing to implant, when using in human body, still can be to carry out two to second under human body active force
Secondary pressurization.With second, first of the present invention only illustrates that it is each separately provided, actually first
Can arrange cone portion and can also arrange cone groove portion, first can be the parts first implanted, it is also possible to be
The parts of rear implantation, as long as disclosure satisfy that the function of above-mentioned secondary pressurized, second same as described above.
Below in conjunction with three specific embodiments, the present invention is done expansion and illustrates:
First embodiment
Prosthese 1 structure of the present embodiment is as it is shown in figure 1, include first 11 and second 12.Wherein,
Include cone portion 100 on first 11, this cone portion 100 is additionally provided with the first guiding structural 101
With press section 102.First guiding structural 101 is projection, is located at side before and after cone portion 100, plays
Guide function, press section 102 is gradual change type raised structures, to ensure that the curve of shank body is arranged, is arranged on
The interior outside of cone portion 100, for crush cones groove portion 200.Actually in the present embodiment, first guides
Structure 101 and press section 102 are and are arranged in pairs, in actual applications, and this first guiding structural 101
Also one can be only arranged with press section 102.Vertebral body portion 100 end 103 is taper, with vertebra groove portion 200
Lower semisection inner surface taper fit.In another embodiment, the end 103 in cone portion 100 is provided with one
Prominent structure, for the hole interference fit with cone groove portion 200, the most actually can also be the most true
It is set to other positions of cone portion 100 and cone groove portion 200 interference fit.For ease of chimeric with human body,
It is provided with fitting portion 105 on one 11, additionally for convenience of instrumentation, first 11 sets the most accordingly
It is equipped with the handle hole 104 coordinated with apparatus.
For elastically-deformable parts can be there are, second 12 includes cone groove portion 200 for second 12,
This cone groove portion 200 matches with cone portion 100, including body 201 and dag 202,203.The present embodiment
In, dag 202,203 totally two, it is relatively arranged on body 201 and is connected with body 201 one,
Dag 202 and 203 is that along shank body, outside is arranged with side intersection front and back in the interior outside of body 201
Fluting formed, this fluting can be positioned adjacent to side before and after interior outside, or is positioned adjacent to
Before and after interior lateral surface on side, all can realize the effect of elastic extruding.Additionally, when actual fabrication also
Single dag can be made as, arrange on inner side or outside.The corresponding press section 102 of dag 202,203,
When cone portion 100 is pressed into, press section 102 is oppressed dag 202,203 and is tilted outside cone groove portion 200,
Thus snapping in pulp cavity, cone portion 100, to second 12 extruding, makes femoral stem solid further in pulp cavity
Fixed.Cone is provided with the second guiding structural 204 in groove portion 200, and this second guiding structural 204 is groove,
Coordinating with the projection with the first guiding structural 101, the cone portion 100 guiding first 11 inserts second
The cone groove portion 200 of 12, guides first 11 and correctly coordinates with second 12, inclined when preventing the two from assembling
Move.It addition, recessed if greater than the second guiding structural 204 of the height of projection of this first guiding structural 101
Groove depth, it is also possible to play the squeezing action to the 2nd 12.In the present embodiment, in vertebra groove portion 200 hypomere
Surface is the conical surface, and vertebral body portion 100 end 103 has identical tapering, end 103 and vertebra groove portion 200
Hypomere taper fit.In another embodiment, the bottom in cone groove portion 200 is also provided with elongated hole (figure
Not shown in), vertebral body portion 100 end 103 has prominent structure, joins with the elongated hole in vertebra groove portion 200
Close so that cone portion 100 clamping (interference fit) is in cone groove portion 200, it is achieved first 11 and the
The connection of two 12.
In actual mechanical process, punch first with Myelocavity file, then second 12 implanted in this hole,
Now by once pressurization make second between 12 with implant holes chimeric.Implant first 11 the most again,
By cone portion 100 and coordinating of boring groove portion 200 so that in first 11 press-in second 12,
In this process of press in, it is achieved second secondary pressurized between 12 and implant holes, now dag 202,203
Flare, snaps in pulp cavity, strengthens second 12 fixing in pulp cavity.Finally by cone portion 100
End 103 with under the interference fit of the elongated hole of cone groove portion 200 end, it is achieved first 11 and second
Fixing of part 12, completes the implantation of prosthese 1.When prosthese 1 uses in human body, act on human pressure
Under, second 12 also can be pressed by first 11, i.e. secondary pressurized, to be further ensured that prosthese
1 consolidating in human body.
Second embodiment
Prosthese 3 structure of the present embodiment is as in figure 2 it is shown, include first 33 and second 34.Wherein,
Include cone portion 300 on first 33, the interior outside of this cone portion 300 is additionally provided with press section
301,302, actually in the present embodiment, press section 301,302 is a pair, and relative to being arranged at cone
Side before and after body 300.In actual applications, this press section 301,302 may also set up one, it is possible to
To realize the purpose of elasticity extruding.It addition, be provided with the first holding section 303 in the bottom of cone portion 300,
This first holding section 303 is cross card block structure, is certainly set to other also dependent on needs and is easy to card
The version connect, in the present embodiment, this first holding section 303 also can simultaneously work as guiding first 33
With second 34 effect coordinated.For ease of chimeric with human body, first 33 is provided with fitting portion
305。
For elastically-deformable parts can be there are, second 34 includes cone groove portion 400 for second 34,
This cone groove portion 400 matches with cone portion 300, including body 401 and dag 402,403.The present embodiment
In, dag 402,403 totally two, it is relatively arranged on the interior outside of body 401, when actual fabrication also
Single dag can be made as, arrange on inner side or outside.In the present embodiment, dag 402,403
With body 401 one is connected, dag 402 and 403 be in the interior outside of body 401 along shank body outside
The fluting arranged with front and back side intersection is formed, before and after this fluting can be positioned adjacent to interior outside
Side, or it is positioned adjacent to before and after interior lateral surface on side, all can realize the effect that elasticity extrudes.
Dag 402,403 is corresponding with press section 301,302, when cone portion 300 is pressed into, press section 301,
302 compressing dags 402,403 tilt outside cone groove portion 400, thus snap in human body, play reinforcement
Second 34 fixing effect.The bottom in cone groove portion 400 is provided with the second holding section (not shown),
With with the first holding section 303 snap-fit engagement, it is achieved first 33 and the connection of second 34.
In actual mechanical process, in human body, first set implant holes, then second 34 is implanted
In this hole, now by once pressurization make second between 34 with implant holes chimeric.Implant the most again
One 33, by cone portion 300 and coordinating of boring groove portion 400 so that first 33 is pressed into second
In 34, in this process of press in, it is achieved second secondary pressurized between 34 and implant holes, now dag
402,403 flare, snaps in pulp cavity, strengthens second 34 fixing in pulp cavity.Last first
Under the snap-fit engagement of holding section 303 and the second holding section, it is achieved first 33 and the connection of second 34
Fixing, complete the implantation of prosthese 3.When prosthese 3 uses in human body, under human pressure acts on, the
Also can press to second 34 for one 33, i.e. secondary pressurized, to be further ensured that prosthese 3 is people
Internal is firm.
3rd embodiment
Prosthese 5 structure of the present embodiment as shown in Figure 3 and Figure 4, including first 55, second 56
With connector 58.Wherein, first 55 includes cone portion 500, this cone portion 500 also sets
It is equipped with the first guiding structural 501 and press section 502.First guiding structural 501 is projection, is located at cone
Side before and after portion 500, plays guide function, and press section 502 is gradual change type raised structures, is arranged on cone
The interior outside of body 500, for crush cones groove portion 600.Actually in the present embodiment, first guides knot
Structure 501 and press section 502 are and are arranged in pairs, in actual applications, and this first guiding structural 501 He
Press section 502 also can only arrange one.It addition, be provided with through hole 503 in cone portion 500, this leads to
It is provided with partial threads on hole 503, forms screwed hole.For ease of chimeric with human body, at first 55
On be provided with fitting portion 505.
For elastically-deformable parts can be there are, second 56 includes cone groove portion 600 for second 56,
This cone groove portion 600 matches with cone portion 500, including body 601 and dag 602,603.The present embodiment
In, dag 602,603 totally two, it is relatively arranged on body 601 and is connected with body 601 one,
Dag 602 and 603 is that along shank body, outside is arranged with side intersection front and back in the interior outside of body 601
Fluting formed, this fluting can be positioned adjacent to side before and after interior outside, or is positioned adjacent to
Before and after interior lateral surface on side, all can realize the effect of elastic extruding.Additionally, when actual fabrication also
Single dag can be made as, arrange on inner side or outside.The corresponding press section 502 of dag 602,603,
When cone portion 500 is pressed into, press section 502 is oppressed dag 602,603 and is tilted outside cone groove portion 600,
Thus snapping in pulp cavity, cone portion 500, to second 56 extruding, makes femoral stem solid further in pulp cavity
Fixed.Cone is provided with the second guiding structural 606 in groove portion 600, and this second guiding structural 606 is groove,
Coordinating with the projection with the first guiding structural 501, the cone portion 500 guiding first 55 inserts second
The cone groove portion 200 of 56, guides first 55 and correctly coordinates with second 56, inclined when preventing the two from assembling
Move.It addition, recessed if greater than the second guiding structural 606 of the height of projection of this first guiding structural 501
Groove depth, it is also possible to play the squeezing action to second 56.The bottom in cone groove portion 600 is provided with screw thread
Hole 604, the diameter of this screwed hole 604 is less than the diameter of through hole 503, by connector 58 and screwed hole
604, being connected of through hole 503, it is achieved first 55 and the connection of second 56.
In the present embodiment, the structure of connector 58 is as it is shown in figure 5, include the first threaded shank being arranged in order
802, the 801, second polished rod portion of the first polished rod portion 804 and the second threaded shank 803.First polished rod portion 801
It is more than the second polished rod portion 804 and diameter of the second threaded shank 803 with the diameter of the first threaded shank 802, and
First threaded shank 802 is connected the screw thread of through hole 503 on first 55, and the second threaded shank 803 coordinates
Screwed hole 604 on connecting second 56.It addition, be provided with in the end, one end of the first threaded shank 802
Handle hole 805, in order to instrumentation.
In actual mechanical process, in human body, first set implant holes, then second 56 is implanted
In this hole, now by once pressurization make second between 56 with implant holes chimeric.Implant the most again
One 55, by cone portion 500 and coordinating of boring groove portion 600 so that first 55 is pressed into second
In 56, in this process of press in, it is achieved second secondary pressurized between 56 and implant holes, now dag
602,603 flare, snaps in pulp cavity, strengthens second 56 fixing in pulp cavity.The company of being finally screwed into
Fitting 58, passes through threaded engagement, it is achieved first 55 connection with second 56 is fixed, and completes prosthese
The implantation of 5.When prosthese 5 uses in human body, under human pressure acts on, first 55 also can be to the
Press for two 56, i.e. secondary pressurized, to be further ensured that prosthese 5 consolidating in human body.
Technical scheme is disclosed as above by alternative embodiment.Those skilled in the art it should be appreciated that
To institute in the case of without departing from the scope and spirit of the present invention disclosed in appended claims of the invention
The change made and retouching, within all belonging to the scope of the claims of the present invention.
Claims (10)
1. a secondary pressurized femoral prosthesis, it is characterised in that include first and second, described
One includes cone portion, and described second includes cone groove portion, described cone portion and described cone groove portion phase
Join, described second parts being to occur elastic deformation.
2. secondary pressurized femoral prosthesis as claimed in claim 1, it is characterised in that described cone portion
Being provided with press section on interior outside, described press section extrudes described cone groove portion.
3. secondary pressurized femoral prosthesis as claimed in claim 2, it is characterised in that described cone groove portion wraps
Including body and dag, the corresponding described press section in the position of described dag, described dag one end connects described
Body, the other end suspend, described dag coordinate described press section time to described cone groove portion outer incline.
4. secondary pressurized femoral prosthesis as claimed in claim 2, it is characterised in that described press section is
Gradual change type raised structures.
5. secondary pressurized femoral prosthesis as claimed in claim 1, it is characterised in that described cone portion
Front and back it is provided with the first guiding structural on side, the position of described first guiding structural of correspondence in described cone groove portion
On be provided with the second guiding structural, described first guiding structural matches with described second guiding structural.
6. secondary pressurized femoral prosthesis as claimed in claim 5, it is characterised in that described first guides
Structure is projection, and described second guiding structural is groove.
7. secondary pressurized femoral prosthesis as claimed in claim 6, it is characterised in that described projection is protruding
Highly recessed more than the described groove degree of depth.
8. secondary pressurized femoral prosthesis as claimed in claim 1, it is characterised in that described cone portion with
Between described cone groove portion, interference fit connects.
9. secondary pressurized femoral prosthesis as claimed in claim 1, it is characterised in that described cone portion is leaned on
The first holding section it is provided with, corresponding described first holding section, described cone groove portion on the position of the most described second
Position on be provided with the second holding section, block by described first between described first and described second
Conjunction portion carries out clamping with coordinating of described second holding section.
10. secondary pressurized femoral prosthesis as claimed in claim 1, it is characterised in that described first
It is connected by connector is fixing with between described second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510315835.0A CN106264800B (en) | 2015-06-10 | 2015-06-10 | Secondary pressurized femoral prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510315835.0A CN106264800B (en) | 2015-06-10 | 2015-06-10 | Secondary pressurized femoral prosthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106264800A true CN106264800A (en) | 2017-01-04 |
| CN106264800B CN106264800B (en) | 2018-06-29 |
Family
ID=57659488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510315835.0A Active CN106264800B (en) | 2015-06-10 | 2015-06-10 | Secondary pressurized femoral prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106264800B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906644A (en) * | 1996-08-30 | 1999-05-25 | Powell; Douglas Hunter | Adjustable modular orthopedic implant |
| CN2395708Y (en) * | 1999-10-21 | 2000-09-13 | 姚滨南 | Four-point fixed whole hip artificial joint |
| CN1665457A (en) * | 2002-04-29 | 2005-09-07 | 丰德尔财经公司 | Prosthesis fixation with mechanically compacted biocompatible granules |
| CN2915056Y (en) * | 2006-04-17 | 2007-06-27 | 珠海福尼亚医用高分子材料制品有限公司 | An artificial hip joint stem prosthesis |
| CN103764072A (en) * | 2011-06-06 | 2014-04-30 | 犹他大学研究基金会 | Percutaneous osseointegrated prosthetic implant system |
| CN204744512U (en) * | 2015-06-10 | 2015-11-11 | 张长青 | Secondary pressurization femoral prosthesis |
-
2015
- 2015-06-10 CN CN201510315835.0A patent/CN106264800B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906644A (en) * | 1996-08-30 | 1999-05-25 | Powell; Douglas Hunter | Adjustable modular orthopedic implant |
| CN2395708Y (en) * | 1999-10-21 | 2000-09-13 | 姚滨南 | Four-point fixed whole hip artificial joint |
| CN1665457A (en) * | 2002-04-29 | 2005-09-07 | 丰德尔财经公司 | Prosthesis fixation with mechanically compacted biocompatible granules |
| CN2915056Y (en) * | 2006-04-17 | 2007-06-27 | 珠海福尼亚医用高分子材料制品有限公司 | An artificial hip joint stem prosthesis |
| CN103764072A (en) * | 2011-06-06 | 2014-04-30 | 犹他大学研究基金会 | Percutaneous osseointegrated prosthetic implant system |
| CN204744512U (en) * | 2015-06-10 | 2015-11-11 | 张长青 | Secondary pressurization femoral prosthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106264800B (en) | 2018-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3003228B1 (en) | Modular humeral prosthesis | |
| CN105287062B (en) | A kind of incisura fusion device of side approach zero | |
| CN203841856U (en) | Cervical vertebra fusion device | |
| CN204839838U (en) | Artifical neck intervertebral disc false body | |
| CN203898501U (en) | Cementless hip joint femoral component | |
| CN204863567U (en) | Squeezing into and remove device of acetabular cup examination mould or false body | |
| CN205215458U (en) | Zero notch of side approach fuses ware | |
| CN105596071B (en) | A kind of dual-purpose pedicle nail | |
| CN112386372B (en) | Intramedullary fusion piece and femoral prosthesis component with same | |
| CN204744512U (en) | Secondary pressurization femoral prosthesis | |
| CN106264800A (en) | Secondary pressurized femoral prosthesis | |
| CN208942488U (en) | Bone prosthetic appliance | |
| CN205458980U (en) | Interior suspension type developments support pedicle screw | |
| CN207429150U (en) | A kind of nail | |
| CN206924133U (en) | Rotaryproof middle-device and the hip prosthesis comprising the middle-device | |
| CN204542468U (en) | Artificial hip prosthesis | |
| CN208081343U (en) | A kind of knee joint tibial component | |
| CN209347145U (en) | Myelocavity file | |
| CN209316155U (en) | Proximal tibia filling block prosthese | |
| CN209091589U (en) | A kind of syringe type bone grafting instrument | |
| CN205729489U (en) | Adjustable spinal column internal fixation device | |
| CN105455926A (en) | Vertebral plate interbody fusion cage | |
| CN104207836A (en) | Pedicle screw special for PLIF (Posterior Lumbar Interbody Fusion) | |
| CN208511265U (en) | Centrum prosthese | |
| CN210749448U (en) | Low-incisura dynamic fixed pedicle screw with laterally arranged rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |