CN109009577A - A kind of patellar component of trabecular bone structure - Google Patents
A kind of patellar component of trabecular bone structure Download PDFInfo
- Publication number
- CN109009577A CN109009577A CN201810916736.1A CN201810916736A CN109009577A CN 109009577 A CN109009577 A CN 109009577A CN 201810916736 A CN201810916736 A CN 201810916736A CN 109009577 A CN109009577 A CN 109009577A
- Authority
- CN
- China
- Prior art keywords
- patellar
- trabecular bone
- bone structure
- component
- base construction
- 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.)
- Pending
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 71
- 238000009411 base construction Methods 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 10
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- 229910000771 Vitallium Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000000602 vitallium Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 208000035126 Facies Diseases 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010016970 Foot fracture Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 238000013150 knee replacement Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2/3877—Patellae or trochleae
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/3006—Properties of materials and coating materials
- A61F2002/30092—Properties of materials and coating materials using shape memory or superelastic materials, e.g. nitinol
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30968—Sintering
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/3097—Designing or manufacturing processes using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
Abstract
The invention discloses a kind of patellar component of trabecular bone structure, the firm stabilization of structure, long service life can be in large-scale application.The present invention includes Patellar joint face component, and the lower surface of the Patellar joint face component is provided with bone trabecula base construction；The Patellar joint face component is fixed on the upper surface of the bone trabecula base construction by way of welding；The surface of the bone trabecula base construction is set as the rough surface of microcellular structure；The bone trabecula base construction is bionical trabecular bone structure, and the porosity > 40% of trabecular bone structure, trabecular bone structure aperture is 250 μm~600 μm, and is metal trabecular bone structure.
Description
Technical field
The present invention relates to orthopedic medical device technical field more particularly to a kind of patellar components of trabecular bone structure.
Background technique
Total knee replacement is current releasing one of patient pain and the most effective operative treatment mode of dysfunction,
Using prosthesis is carried out using the patellar component of Polymer Materials ' Structure in the prior art, structural strength is poor, is easy that there are columns
The clinical risk of foot fracture；In addition, being adhesively fixed using bone cement and high molecular material, a possibility that there are easy loosenings, and
And can also aggravate the wear problem of liner with Patellar joint face contact, to influence the service life for being implanted into prosthese.
Trabecular bone structure is a kind of space network in bone, is interconnected between hole, is a kind of with close hole
The complex organization of gap structure, clinically it is verified that the short-term stability of implantation material prosthese and long-term can be improved effectively
Stability；And trabecular bone structure design be always improve implantation material bone fusion effective means, suitable pore size and
The presence of cell morphology can effectively stimulate the generation and differentiation of bone tissue.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that disclosing a kind of bone trabecula
The patellar component of structure, the firm stabilization of structure can effectively improve early postoperation and fix and long-time stability, service life
It is long, it can be in large-scale application.
The technical solution adopted by the present invention to solve the technical problems is: a kind of patellar component of trabecular bone structure includes
The lower surface of Patellar joint face component, the Patellar joint face component is provided with bone trabecula base construction, the bone trabecula pedestal knot
Structure is fixed together with Patellar joint face component；
The Patellar joint face component is fixed on the upper surface of the bone trabecula base construction by way of welding；
The surface of the bone trabecula base construction is set as the rough surface of microcellular structure；
The bone trabecula base construction is bionical trabecular bone structure.
As a kind of preferred embodiment of the invention, the porosity > 40% of the trabecular bone structure.
As a kind of preferred embodiment of the invention, the aperture of the trabecular bone structure is 250 μm~600 μm.
As a kind of preferred embodiment of the invention, the trabecular bone structure is metal trabecular bone structure；
Metal material therein can be selected titanium alloy, vitallium or magnesium alloy and be made.
As a kind of preferred embodiment of the invention, the Patellar joint face component selects high molecular material to be made.
As a kind of preferred embodiment of the invention, the upper surface of the Patellar joint face component is smooth surface.
Compared with the prior art, the present invention has the following advantages:
A kind of patellar component of trabecular bone structure disclosed by the invention, by by Patellar joint face component welding in bone trabecula
On base construction, the structural mechanical property of kneecap is strengthened, to improve the service life of artificial knee joint prosthesis, structure
Firm stabilization, can be in large-scale application；
The present invention by setting the surface of bone trabecula base construction to the rough surface of microcellular structure, can effectively with
The cancellous bone of patient femur combines, and the effective generation and differentiation for stimulating bone tissue is fixed and grown so as to improve early postoperation
The stability of phase.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the invention；
Fig. 2 is the schematic perspective view of specific embodiment shown in Fig. 1；
Fig. 3 is the schematic perspective view of the facies articularis patellae of specific embodiment shown in Fig. 1；
Fig. 4 is the schematic perspective view of the bone trabecula base construction of specific embodiment shown in Fig. 1；
Fig. 5 is the stereochemical structure of macromolecule raw material welding to be processed of the invention in bone trabecula base construction upper surface
Schematic diagram.
Description of symbols:
1- Patellar joint face component, 2- bone trabecula base construction, 3- macromolecule raw material；
11- facies articularis patellae member upper surface, 12- Patellar joint face component lower surface；
21- bone trabecula base construction upper surface, 22- bone trabecula base construction lower surface.
Specific embodiment
The specific embodiment of the invention is described with reference to the accompanying drawings and embodiments:
It should be noted that structure, ratio, the size etc. illustrated in this specification institute attached drawing, only to cooperate explanation
The revealed content of book is not intended to limit the invention enforceable restriction so that those skilled in the art understands and reads
Condition, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influence the effect of present invention can be generated and
Under the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
As shown in Fig. 1~5, it illustrates a specific embodiment of the invention；As shown, a kind of bone disclosed by the invention
The patellar component of trabecularism includes Patellar joint face component 1, it is characterised in that: the lower surface of the Patellar joint face component 1
It is provided with bone trabecula base construction 2, which is fixed together with Patellar joint face component 1；
As shown, the Patellar joint face component 1 is fixed on the bone trabecula base construction 2 by way of welding
On upper surface 21；
As shown, the surface of the bone trabecula base construction 2 is set as the rough surface of microcellular structure, wherein including bone
The upper surface 21 and lower surface 22 of girder base construction.
As shown, the bone trabecula base construction 2 is bionical trabecular bone structure.
Preferably, as shown in the figure: the porosity > 40% of the trabecular bone structure 2.
Preferably, as shown in the figure: the aperture of the trabecular bone structure 2 is 250 μm~600 μm.
Preferably, as shown in the figure: the trabecular bone structure 2 is metal trabecular bone structure；Metal material therein can be selected
Titanium alloy, vitallium or magnesium alloy materials.
Preferably, as shown in the figure: the Patellar joint face component 1 selects high molecular material to be made.
Preferably, as shown in the figure: the upper surface 11 of the Patellar joint face component 1 is smooth surface, lower surface 12
It can be rough surface.
The raw material for preparing of heretofore described metal trabecular bone structure is low elastic modulus titanium alloy powder, using increasing material system
Standby technology prints and the consistent threedimensional model of bionical trabecular bone structure.Its by cut a layer software (such as " NetFabb software " or
" Magics software ") threedimensional model of the bone trabecula base construction 2 is subjected to slice sliding-model control, obtain each layer slice
Cross-section data, and imported the cross-section data as electron beam scan path in increasing material manufacturing equipment, joined according to the processing of setting
Number (parameter includes: metallic titanium alloy powder thickness, fusion current and electron beam sweep speed) is scanned printing.The increasing
Laser sintering and moulding can be selected in material manufacturing equipment or electron beam melts molding equipment.
Welding, forming process between Patellar joint face component 1 in the present invention and bone trabecula base construction 2:
Firstly, by fusion welding equipment (such as " friction or ultrasonic welding system ") that facies articularis patellae to be processed is former
Material (that is: macromolecule raw material 3) welding on the upper surface of bone trabecula base construction 2 21, and under pressure until
The heat of generation makes contact surface reach abundant molten condition, and when reaching the setting depth of weld, into packing stage, weld seam is cooling
And solidify；
Finally, the exterior contour for processing facies articularis patellae macromolecule raw material 3 to be processed forms the facies articularis patellae
Component 1.
The preferred embodiment for the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (6)
1. a kind of patellar component of trabecular bone structure；Include Patellar joint face component (1), it is characterised in that: the Patellar joint
The lower surface of face component (1) is provided with bone trabecula base construction (2), the bone trabecula base construction (2) and Patellar joint face component
(1) it is fixed together；
The Patellar joint face component (1) is fixed on the upper surface of the bone trabecula base construction (2) by way of welding
(21) on；
The surface of the bone trabecula base construction (2) is set as the rough surface of microcellular structure；
The bone trabecula base construction (2) is bionical trabecular bone structure.
2. a kind of patellar component of trabecular bone structure as described in claim 1, it is characterised in that: the hole of the trabecular bone structure
Gap rate > 40%.
3. a kind of patellar component of trabecular bone structure as described in claim 1, it is characterised in that: the hole of the trabecular bone structure
Diameter is 250 μm~600 μm.
4. a kind of patellar component of trabecular bone structure as described in claim 1, it is characterised in that: the trabecular bone structure is gold
Belong to trabecular bone structure；
Metal material therein can be selected titanium alloy, vitallium or magnesium alloy and be made.
5. a kind of patellar component of trabecular bone structure as described in claim 1, it is characterised in that: the Patellar joint face component
(1) high molecular material is selected to be made.
6. a kind of patellar component of trabecular bone structure as described in claim 1, it is characterised in that: the Patellar joint face component
(1) upper surface (11) is smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916736.1A CN109009577A (en) | 2018-08-13 | 2018-08-13 | A kind of patellar component of trabecular bone structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916736.1A CN109009577A (en) | 2018-08-13 | 2018-08-13 | A kind of patellar component of trabecular bone structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109009577A true CN109009577A (en) | 2018-12-18 |
Family
ID=64633850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810916736.1A Pending CN109009577A (en) | 2018-08-13 | 2018-08-13 | A kind of patellar component of trabecular bone structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109009577A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203263590U (en) * | 2013-03-26 | 2013-11-06 | 深圳先进技术研究院 | Patella tissue engineering scaffold |
| CN108210127A (en) * | 2018-01-04 | 2018-06-29 | 上海科太迈迪医疗器械有限公司 | Cementless tibial component of trabecular bone structure and preparation method thereof |
-
2018
- 2018-08-13 CN CN201810916736.1A patent/CN109009577A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203263590U (en) * | 2013-03-26 | 2013-11-06 | 深圳先进技术研究院 | Patella tissue engineering scaffold |
| CN108210127A (en) * | 2018-01-04 | 2018-06-29 | 上海科太迈迪医疗器械有限公司 | Cementless tibial component of trabecular bone structure and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |