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 PDF

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Publication number
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
Authority
CN
China
Prior art keywords
joint
defect
bone
wear
metal base
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
Application number
CN201810871395.0A
Other languages
Chinese (zh)
Inventor
周新
周一新
唐浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Jishuitan Hospital
Original Assignee
Beijing Jishuitan Hospital
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Jishuitan Hospital filed Critical Beijing Jishuitan Hospital
Priority to CN201810871395.0A priority Critical patent/CN109009571A/en
Publication of CN109009571A publication Critical patent/CN109009571A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/28Bones
    • A61F2002/2835Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006Properties of materials and coating materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/30199Three-dimensional shapes
    • A61F2002/30205Three-dimensional shapes conical

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

A kind of wear-resisting joint prosthesis part replacement prosthesis and its application method
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.
CN201810871395.0A 2018-08-02 2018-08-02 A kind of wear-resisting joint prosthesis part replacement prosthesis and its application method Pending CN109009571A (en)

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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

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Publication Number Publication Date
CN109009571A true CN109009571A (en) 2018-12-18

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Cited By (5)

* Cited by examiner, † Cited by third party
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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US20030208280A1 (en) * 2000-04-21 2003-11-06 Behrooz Tohidi Wear resistant artificial joint
CN101288597A (en) * 2008-06-20 2008-10-22 周一新 Knee-joint prosthesis implantation process, osteotomy module thereof and device thereof
CN102883686A (en) * 2009-12-16 2013-01-16 斯洛博丹·泰皮奇 Partial hip prosthesis
CN104434342A (en) * 2014-12-09 2015-03-25 张海宁 Medical planted osteochondral prosthesis system
CN104997575A (en) * 2015-08-11 2015-10-28 嘉思特华剑医疗器材(天津)有限公司 Femur prosthesis assembly system suitable for different types of femur malformation and defects
CN105105875A (en) * 2015-08-04 2015-12-02 西安交通大学 Biomimetic artificial hip joint with internal growth function
CN205626191U (en) * 2016-01-28 2016-10-12 江苏奥康尼医疗科技发展有限公司 Cartilage repair compensates false body
CN207125820U (en) * 2017-01-20 2018-03-23 北京爱康宜诚医疗器材有限公司 A kind of local displacement pattern of fusion femoral head prosthesis
CN108210130A (en) * 2018-01-08 2018-06-29 四川大学华西医院 Astragalus prosthese

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030208280A1 (en) * 2000-04-21 2003-11-06 Behrooz Tohidi Wear resistant artificial joint
CN101288597A (en) * 2008-06-20 2008-10-22 周一新 Knee-joint prosthesis implantation process, osteotomy module thereof and device thereof
CN102883686A (en) * 2009-12-16 2013-01-16 斯洛博丹·泰皮奇 Partial hip prosthesis
CN104434342A (en) * 2014-12-09 2015-03-25 张海宁 Medical planted osteochondral prosthesis system
CN105105875A (en) * 2015-08-04 2015-12-02 西安交通大学 Biomimetic artificial hip joint with internal growth function
CN104997575A (en) * 2015-08-11 2015-10-28 嘉思特华剑医疗器材(天津)有限公司 Femur prosthesis assembly system suitable for different types of femur malformation and defects
CN205626191U (en) * 2016-01-28 2016-10-12 江苏奥康尼医疗科技发展有限公司 Cartilage repair compensates false body
CN207125820U (en) * 2017-01-20 2018-03-23 北京爱康宜诚医疗器材有限公司 A kind of local displacement pattern of fusion femoral head prosthesis
CN108210130A (en) * 2018-01-08 2018-06-29 四川大学华西医院 Astragalus prosthese

Cited By (7)

* Cited by examiner, † Cited by third party
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
CN109528356B (en) * 2019-01-21 2021-01-26 北京爱康宜诚医疗器材有限公司 Composite 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
CN111227995B (en) * 2020-03-19 2022-02-15 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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Application publication date: 20181218