CN109009571A - A kind of wear-resisting joint prosthesis part replacement prosthesis and its application method - Google Patents
A kind of wear-resisting joint prosthesis part replacement prosthesis and its application method Download PDFInfo
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- CN109009571A CN109009571A CN201810871395.0A CN201810871395A CN109009571A CN 109009571 A CN109009571 A CN 109009571A CN 201810871395 A CN201810871395 A CN 201810871395A CN 109009571 A CN109009571 A CN 109009571A
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- Prior art keywords
- joint
- defect
- bone
- wear
- metal base
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- Pending
Links
- 238000000034 method Methods 0.000 title claims description 11
- 230000007547 defect Effects 0.000 claims abstract description 56
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 12
- 210000000845 cartilage Anatomy 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 230000003902 lesion Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 3
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 210000004394 hip joint Anatomy 0.000 description 2
- 230000017074 necrotic cell death Effects 0.000 description 2
- 210000000323 shoulder joint Anatomy 0.000 description 2
- 208000020084 Bone disease Diseases 0.000 description 1
- 229910000771 Vitallium Inorganic materials 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 210000001188 articular cartilage Anatomy 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000602 vitallium Substances 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
-
- 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
- A61F2/28—Bones
- A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
-
- 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
-
- 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
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30205—Three-dimensional shapes conical
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention provides a kind of wear-resisting joint prosthesis part replacement prosthesis, comprising: metal base and joint-friction face, the joint-friction face are connected to the outside of the metal base；To be coniform, thick shelly-shaped or spherical, the joint-friction face is made of the metal base smooth abrasion-proof material；In use, the metal base cooperation is in the bone tissue of the defect of defect joint bone, the joint-friction is showed in the outside of defect.The advantages of present invention has resistance to abrasion, and corrosion-resistant, available Bone Ingrowth is fixed, and can carry out patient-specific design.
Description
Technical field
The present invention relates to field of medical article technology, more particularly to a kind of wear-resisting joint prosthesis part replacement prosthesis and its
Application method.
Background technique
Low abrasion prosthetic replacement is based on chamber replacement, simple joint face are replaced between total joint displacement or part at present
Stream method can not accomplish the individuation low abrasion prosthetic replacement for articular surface local defect.Current artificial hip joint, shoulder joint
The class spherical design that aliquot replacement technology uses non-cement fixed is saved, prosthese is using the materials such as vitallium, articular surface surface
It is processed by shot blasting, hip joint, shoulder joint aliquot replacement for diseases such as aseptic ischemic necrosis.But the prior art exists
There are following technical problems in use: prosthese size needs to cover osteopathy stove range, and the excessive patient of lesion range is not available
The prosthese is replaced, thus limits the indication of patient's selection；There are rough excessive for metal prostheses and surrounding cartilage
Step；Metal prostheses cause patient's osteoarthritis to the abrasion of articular cartilage；The fixation of prosthese is easy failure.
Summary of the invention
It, can be into for this purpose, corrosion-resistant, available Bone Ingrowth is fixed an object of the present invention is to provide a kind of resistance to abrasion
The wear-resisting joint prosthesis part replacement prosthesis and its application method of the patient-specific design of row.
The present invention provides a kind of wear-resisting joint prosthesis part replacement prosthesis, comprising: metal base and joint-friction face, institute
State the outside that joint-friction face is connected to the metal base；The metal base is described to be coniform, thick shelly-shaped or spherical
Joint-friction face is made of smooth abrasion-proof material；In use, the defect of metal base cooperation in defect joint bone
In bone tissue, the joint-friction is showed in the outside of defect.
Further, the metal base is porous metal material.
Further, artificial bone or hydroxyapatite material are filled in the metal base.
Further, the material in the joint-friction face is ceramic metal, polyurethane or polyethylene.
Further, direct melt binding connection or assembly type mechanical bond between the metal base and joint-friction face
Connection.
The present invention also provides a kind of application methods of wear-resisting joint prosthesis part replacement prosthesis, comprising: obtains defect and closes
Save the defect situation information of bone；Prosthese compatible with defect is selected according to the defect situation of defect joint bone；It manifests
The defect of defect joint bone, and the cartilage lesion of defect is removed to healthy bone cartilage range；Prosthese is placed to defect
The defect of joint bone, and make there is no gap and step to be formed between prosthetic surface and surrounding cartilage.
Further, the prosthese carries out personalized designs according to the size and form of the defect of defect joint bone,
It is tight to guarantee to combine, avoid the occurrence of the rough step of articular surface.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the coniform wear-resisting joint prosthesis part replacement prosthesis of one kind of the embodiment of the present invention；
Structure when Fig. 2 is the installation of the coniform wear-resisting joint prosthesis part replacement prosthesis of one kind of the embodiment of the present invention
Schematic diagram；
Fig. 3 is a kind of structural schematic diagram of the shelly-shaped wear-resisting joint prosthesis part replacement prosthesis of thickness of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the spherical wear-resisting joint prosthesis part replacement prosthesis of one kind of the embodiment of the present invention；
Fig. 5 is the assembly type mechanical connection of the spherical wear-resisting joint prosthesis part replacement prosthesis of one kind of the embodiment of the present invention
Structural schematic diagram.
It is attached in the figure, it is marked as
1 metal base
2 joint-friction faces
3 defect joint bones
4 mechanical connection points
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The embodiment of the invention provides a kind of wear-resisting joint prosthesis part replacement prosthesis, as shown in Figure 1, comprising: Metal Substrate
Seat 1 and joint-friction face 2, the joint-friction face 2 are connected to the outside of the metal base 1；It is described as shown in Fig. 1,3 and 4
To be coniform, thick shelly-shaped or spherical, the joint-friction face 2 is made of metal base 1 smooth abrasion-proof material；In use, institute
The cooperation of metal base 1 is stated in the bone tissue of the defect of defect joint bone, the joint-friction face 2 is exposed at defect
Outside.Preferably, when joint-friction face 2 is using ceramic metal, polyethylene, the metal base 1 and joint-friction face 2 it
Between directly melt binding connection, connected using direct melt binding, keep link position stronger reliable；When joint-friction face 2
When using polyurethane, aforementioned direct melt binding connection can be used, or be mechanically connected using assembly type, as shown in figure 5, having
In 4 insertion metal base of mechanical connection point, wherein polyurethane and metal base contact surface are all polished to reduce contact surface mill
Damage.As shown in Fig. 2, showing the state that coniform prosthese is assemblied in defect joint bone 3.
The present invention in use, coniform, thick shelly-shaped or spherical prosthese selection according to the collapsing of defect joint bone, shell
The reasons such as de-, local necrosis are selected, and defect is smaller, depth as shallow, using it is coniform or it is thick it is shelly-shaped replace, for
Defect is big, apart from being replaced using spherical prosthese for articular surface depth.
In the one aspect of the embodiment of the present invention, the metal base 1 is porous metal material, in the metal base 1
Filled with artificial bone or hydroxyapatite material.Metal base is porous metal material, and similar bone trabecula porous structure can
Allow Bone Ingrowth wherein, obtains at a specified future date good fixed.Artificial bone can be filled inside porous metals, bone can be stimulated to creep and replace
Generation, and it can be made as drug-loaded artificial bone, for preventing Periprosthetic infection or promoting Bone Ingrowth.
In the one aspect of the embodiment of the present invention, the material in the joint-friction face 2 is ceramic metal, polyurethane or poly-
Ethylene, mating surface material processing technology, for reducing abrasion of the joint to cartilago acetabularis.
The embodiment of the invention also provides a kind of application methods of wear-resisting joint prosthesis part replacement prosthesis, comprising:
Obtain the defect situation information of defect joint bone.Defect can be obtained according to the data of CT or MRI isometric(al) inspection
The defect situation information of joint bone.
Prosthese compatible with defect is selected according to the defect situation of defect joint bone.When in use, to it is coniform,
Thick shelly-shaped or spherical prosthese is adaptively adjusted according to the concrete condition of patient's notch.
The defect of defect joint bone is manifested, and removes the cartilage lesion of defect to healthy bone cartilage range.
Prosthese is placed to the defect of defect joint bone, and makes do not have gap and platform between prosthetic surface and surrounding cartilage
It is stepped at.
Further, the prosthese carries out personalized designs according to the size and form of the defect of defect joint bone,
It is tight to guarantee to combine, avoid the occurrence of the rough step of articular surface.
It is an advantage of the current invention that this artificial joint prosthesis, available Bone Ingrowth long term is fixed, and it is soft to reduce joint
The abrasion of bone makes patient retain itself joint, and obtains the function of joint close to normal healthy people, avoids conventional part joint
The prosthetic loosening of replacement technique, the disadvantages of causing arthritis to be in progress, have it is easy to be easy-to-use, it is quick and convenient, it is safe and reliable the advantages that.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (7)
1. a kind of wear-resisting joint prosthesis part replacement prosthesis characterized by comprising
Metal base and joint-friction face, the joint-friction face are connected to the outside of the metal base；
To be coniform, thick shelly-shaped or spherical, the joint-friction face is made of the metal base smooth abrasion-proof material；
In the bone tissue of the defect of defect joint bone, the joint-friction is showed in defect portion for the metal base cooperation
The outside of position.
2. a kind of wear-resisting joint prosthesis part replacement prosthesis as described in claim 1, which is characterized in that the metal base is
Porous metal material.
3. a kind of wear-resisting joint prosthesis part replacement prosthesis as claimed in claim 2, which is characterized in that in the metal base
Filled with artificial bone or hydroxyapatite material.
4. a kind of wear-resisting joint prosthesis part replacement prosthesis as claimed in claim 3, which is characterized in that the joint-friction face
Material be ceramic metal, polyurethane or polyethylene.
5. a kind of wear-resisting joint prosthesis part replacement prosthesis as claimed in claim 4, which is characterized in that the metal base and
Direct melt binding connection or the connection of assembly type mechanical bond between joint-friction face.
6. a kind of application method of wear-resisting joint prosthesis part replacement prosthesis characterized by comprising
Obtain the defect situation information of defect joint bone；
Prosthese compatible with defect is selected according to the defect situation of defect joint bone；
The defect of defect joint bone is manifested, and removes the cartilage lesion of defect to healthy bone cartilage range；
Prosthese is placed to the defect of defect joint bone, and makes do not have gap and step between prosthetic surface and surrounding cartilage
At.
7. a kind of application method of wear-resisting joint prosthesis part replacement prosthesis as claimed in claim 6, which is characterized in that described
Prosthese carries out personalized designs according to the size and form of the defect of defect joint bone, tight to guarantee to combine, and avoids out
The existing rough step of articular surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810871395.0A CN109009571A (en) | 2018-08-02 | 2018-08-02 | A kind of wear-resisting joint prosthesis part replacement prosthesis and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810871395.0A CN109009571A (en) | 2018-08-02 | 2018-08-02 | A kind of wear-resisting joint prosthesis part replacement prosthesis and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109009571A true CN109009571A (en) | 2018-12-18 |
Family
ID=64648755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810871395.0A Pending CN109009571A (en) | 2018-08-02 | 2018-08-02 | A kind of wear-resisting joint prosthesis part replacement prosthesis and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109009571A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109528356A (en) * | 2019-01-21 | 2019-03-29 | 北京爱康宜诚医疗器材有限公司 | Compound insert |
| CN110368143A (en) * | 2019-08-05 | 2019-10-25 | 北京爱康宜诚医疗器材有限公司 | Humeral head replacement |
| CN111227995A (en) * | 2020-03-19 | 2020-06-05 | 闫新峰 | Femoral head prosthesis component |
| CN113558829A (en) * | 2020-04-28 | 2021-10-29 | 苏州麦斯特医疗科技有限公司 | Biological fixation artificial joint prosthesis and manufacturing method and application thereof |
| CN115869114A (en) * | 2023-01-31 | 2023-03-31 | 北京爱康宜诚医疗器材有限公司 | Cartilage prosthesis |
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| CN115869114A (en) * | 2023-01-31 | 2023-03-31 | 北京爱康宜诚医疗器材有限公司 | Cartilage prosthesis |
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