CN109172051A - Novel energy-absorbing damping acetabular cup - Google Patents

Novel energy-absorbing damping acetabular cup Download PDF

Info

Publication number
CN109172051A
CN109172051A CN201811200362.XA CN201811200362A CN109172051A CN 109172051 A CN109172051 A CN 109172051A CN 201811200362 A CN201811200362 A CN 201811200362A CN 109172051 A CN109172051 A CN 109172051A
Authority
CN
China
Prior art keywords
cup
acetabular
bone
acetabular cup
negative poisson
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
CN201811200362.XA
Other languages
Chinese (zh)
Inventor
樊瑜波
王丽珍
姚艳
宫赫
姚杰
吕若凡
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.)
Beihang University
Original Assignee
Beihang University
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 Beihang University filed Critical Beihang University
Priority to CN201811200362.XA priority Critical patent/CN109172051A/en
Publication of CN109172051A publication Critical patent/CN109172051A/en
Pending legal-status Critical Current

Links

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
    • A61F2/32—Joints for the hip
    • A61F2/34—Acetabular cups
    • 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
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • 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
    • A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
    • 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
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • 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

This patent discloses a kind of novel energy-absorbing damping acetabular cup, to improve the deficiency of existing acetabular cup.Acetabular cup of the invention it is characterized in that, under the premise of guaranteeing mechanical strength, there will be Negative poisson's ratio class trabecular bone structure to be introduced into acetabular cup design, by rationally designing aperture, it realizes and promotes Bone Ingrowth, increases frictional force between prosthese and bone interface, improve biological fixation stability.Introduce negative poisson's ratio structure, can be improved acetabular cup in vivo Under Dynamic Load when energy absorption, reduce prosthese distal end bone tissue load, prosthese sinkage can be effectively relieved.Its acetabular outer cup of acetabular cup of the invention and acetabular bone inner cup can be designed as porous surface coating structure or Integrate porous structure according to clinical demand, and porous coating thickness can also be arranged on demand.Acetabular cup of the invention can manufacture entity by increases material manufacturing technology, and material therefor range is wide in range, can be the good metal of biocompatibility and polymer.It has a good application prospect in orthopaedics total hip replacement field.

Description

Novel energy-absorbing damping acetabular cup
Technical field
The present invention is applied to orthopedic medical device field, in particular to a kind of novel with excellent energy-absorbing damping effect Acetabular cup.
Background technique
Replacement of total hip can Exact Reconstruction stock while retaining the original sclerotin of body and physiological structure to greatest extent Proximal bone anatomical structure makes stress distribution at hip joint be more in line with physiological requirement, and postoperative ankle mobility is more nearly just Ordinary water is flat, is the prefered method that hip joint disease is treated in clinic.But total Hip Replacement in Treatment still has in clinical application Problem, postoperative aseptic loosening and prosthese sinking occur often.
Hip prosthesis includes acetabular cup, femoral head and femoral stem, wherein acetabular cup connection trunk and lower limb and directly with Bone tissue contact, plays an important role during the load of human body daily routines and power transmission, is to ensure prosthese in body stability Key.Existing most common acetabular cup uses porous coating, can be realized by adjustment aperture size and promote Bone Ingrowth, increases vacation Frictional force between body and bone interface can alleviate the interface of bone implant articular prosthesis metal surface and host bone tissue generation Sterile loosening problem.Hip joint, all the time all in dynamic mechanical environment, and walks in people's daily routines in normal walking The highest impact load undertaken under state is up to 2.7 times of weight, and art cannot be still effectively relieved in common porous coating acetabular cup at present Prosthese sinks afterwards.
Porous structure is many kinds of at present, and different porous structure energy-absorbing damping effects differ widely, and design has suitable class The acetabular cup of type porous structure can not only be generated with induced tissue and improve prosthese biocompatibility, moreover it is possible to dynamic load in efficient absorption body The energy generated when effect reduces prosthese distal end bone tissue stress, and the phenomenon that prosthese sinks is effectively relieved.It therefore can be by more Pore structure design effectively improves the long-time stability of artificial hip prosthesis in vivo.
Negative poisson's ratio structure has Negative poisson's ratio, it is laterally expanded in longitudinal stretching, when longitudinal compression, Laterally shrink instead.Its unique denaturation behavior, enhances its mechanical property, fracture toughness, sound absorbing power, It dissipates energy ability and is all better than ordinary construction.Using with unique advantage in acetabular cup.
Summary of the invention
The technical problem to be solved by the present invention is to design the novel promotion Bone Ingrowth of one kind and have excellent energy-absorbing damping The acetabular cup of effect, to improve the deficiency of existing acetabular cup.Acetabular cup of the invention is it is characterized in that, guaranteeing mechanical strength Under the premise of, the class trabecular bone structure with Negative poisson's ratio is introduced into the design of acetabular cup, it, can by rationally designing aperture It realizes and promotes Bone Ingrowth, increases the frictional force between prosthese and bone interface, improve biological fixation stability.Negative poisson's ratio structure Introduce, can be improved acetabular cup in vivo Under Dynamic Load when energy absorption, reduce prosthese distal end bone tissue load, vacation can be effectively relieved Body sinkage.
The technical solution adopted in the present invention: a kind of good intensity, promotion Bone Ingrowth are provided, with excellent energy-absorbing damping property The acetabular cup of energy.Cup body is hemisphere shell sape, is made of acetabular outer cup and acetabular bone inner cup, as shown in Fig. 1.Acetabular outer cup is not according to With it is clinical need, can surface covering porous structure also whole design is full porous structure.The composition list of the porous structure Member is similar and similar with cancellous bone with trabecular bone structure, with Negative poisson's ratio, it can be achieved that preferably power transmission, and is capable of increasing The frictional force of acetabular cup enables body bone tissue quickly to grow among mortar cup, reduces the generation of prosthetic loosening.Negative Poisson simultaneously Than porous structure, its energy-absorbing damping effect is preferable in the dynamic load environment of human body daily routines, and prosthese can be effectively relieved and sink now As.Acetabular bone inner cup can also be designed as surface or Integrate porous according to different clinical demands.
Acetabular outer cup material therefor is the good metal of medical bioavailability.Acetabular bone inner cup material therefor is medical bio The good polymer of compatibility.
The utility model has the advantages that the present invention introduces negative poisson's ratio structure in acetabular cup design, good bio-compatible is made it have Property and excellent energy-absorbing damping performance, can improve aseptic loosening and prosthese sinkage after replacement of total hip.Negative Poisson Its mode of texturing is closer with cancellous bone under force than porous structure, is able to achieve preferably power transmission, and its porosity characteristic Adhere to conducive to cell and be proliferated, induces Bone Ingrowth, biological fixation effect can be improved.Meanwhile it is unique for negative poisson's ratio porous structure Deformational behavior, enhance its mechanical property, fracture toughness, sound absorbing power, dissipate can ability be all better than ordinary construction, The phenomenon that prosthese sinks can be effectively relieved in application in acetabular cup.
Detailed description of the invention
Fig. 1 is acetabular cup structural schematic diagram, wherein 1 is acetabular outer cup, 2 be acetabular bone inner cup.
1 is two-dimentional negative poisson's ratio structural unit in Fig. 2, and 2 be three-dimensional negative poisson's ratio structural base member and its three-view diagram.
Fig. 3 is acetabular outer cup structural schematic diagram, wherein 1 is surface covering negative poisson's ratio porous structure schematic diagram, 2 be whole Structure is negative poisson's ratio porous structure schematic diagram.
Specific embodiment
The present invention will be further described in detail with reference to the specific embodiments.
Referring to shown in Fig. 2, using the substantially square of 3 d modeling software design class bone trabecula negative poisson's ratio porous structural unit Method is as follows: (1) designing two-dimentional negative poisson's ratio structural unit；(2) two-dimensional cell is pressed to hexagonal prisms arrangement in space, constitutes and overlooks Figure is the three-dimensional negative poisson's ratio structural base member that honeycomb, front view and side view are indent negative poisson's ratio structure.
Referring to shown in Fig. 3, the acetabular outer cup of negative poisson's ratio porous structure feature is had using 3 d modeling software design.
The above designed acetabular cup threedimensional model is exported as into STL formatted file, it is corresponding according to different metals, setting Increasing material manufacturing process, quick forming fabri-cation entity by layer-by-layer printing.
In the present embodiment, the coating of porous coating acetabular cup is one layer of porous structure, can be arranged on demand in practical application more Hole coating layer thickness.Negative poisson's ratio porous structural unit type can be in practical applications other with the porous of Negative poisson's ratio Structure.Its aperture of negative poisson's ratio porous structure is 358-1260um in example, can adjust porous aperture on demand in practical applications Size, while it can also be gradient porous structure that the type in hole, which can be even porous structure,.Acetabular bone inner cup, can also be according in clinic Actual demand be designed as comprising negative poisson's ratio porous structure feature surface or Integrate porous configuration.

Claims (4)

1. the novel acetabular cup with excellent energy-absorbing damping effect, it is characterised in that: acetabular cup includes negative poisson's ratio porous structure.
2. novel acetabulum cup according to claim 1, it is characterised in that: the component units and bone trabecula of the porous structure Structure is similar and similar with cancellous bone, has Negative poisson's ratio, it can be achieved that preferably power transmission, and porosity is capable of increasing acetabular bone The frictional force of cup, enables body bone tissue quickly to grow among mortar cup, reduces the generation of prosthetic loosening.Negative poisson's ratio is more simultaneously Pore structure its energy-absorbing damping effect in the dynamic load environment of human body daily routines is preferable, and prosthese sinkage can be effectively relieved.
3. novel acetabulum cup according to claim 1, it is characterised in that: acetabular outer cup and acetabular bone inner cup, it can be according to clinic Demand Design is porous surface coating structure or Integrate porous structure, and porous coating thickness can also be arranged on demand.
4. novel acetabulum cup according to claim 1, it is characterised in that: manufacture material therefor range is wide in range, can be biology The good metal of compatibility and polymer.
CN201811200362.XA 2018-10-16 2018-10-16 Novel energy-absorbing damping acetabular cup Pending CN109172051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811200362.XA CN109172051A (en) 2018-10-16 2018-10-16 Novel energy-absorbing damping acetabular cup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811200362.XA CN109172051A (en) 2018-10-16 2018-10-16 Novel energy-absorbing damping acetabular cup

Publications (1)

Publication Number Publication Date
CN109172051A true CN109172051A (en) 2019-01-11

Family

ID=64945137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811200362.XA Pending CN109172051A (en) 2018-10-16 2018-10-16 Novel energy-absorbing damping acetabular cup

Country Status (1)

Country Link
CN (1) CN109172051A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109771103A (en) * 2019-03-05 2019-05-21 北京积水潭医院 A kind of collar plate shape bone trabecula metal acetabulum reconstruction prosthese
CN109893302A (en) * 2019-03-26 2019-06-18 北京航空航天大学 Meniscus implant with Negative poisson's ratio
CN109893304A (en) * 2019-04-16 2019-06-18 南京医科大学附属逸夫医院 A kind of 3D printing tissue engineering bracket of specific modality and structure
CN110169846A (en) * 2019-05-21 2019-08-27 淮阴工学院 A kind of structure and its application method of stress-induced bone uptake implant
CN111281616A (en) * 2020-03-11 2020-06-16 北京市春立正达医疗器械股份有限公司 Full-hip metal cup prosthesis and manufacturing method thereof
CN113262082A (en) * 2021-04-29 2021-08-17 四川大学 Implant prosthesis with negative Poisson ratio effect for bone repair

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035713A (en) * 1990-02-12 1991-07-30 Orthopaedic Research Institute, Inc. Surgical implants incorporating re-entrant material
CN2636841Y (en) * 2003-06-11 2004-09-01 北京蒙太因医疗器械有限公司 Spiral shaped metal acetabular bone prothesis
CN2659379Y (en) * 2003-11-24 2004-12-01 吴栋 Metal acetabular bone of artificial hip joint
CN200980743Y (en) * 2006-10-28 2007-11-28 保定康能生物医学工程有限公司 Surgical implant bipolar half-hip acetabulum
CN201631426U (en) * 2010-03-25 2010-11-17 北京天新福医疗器材有限公司 Biological type acetabular outer cup
CN103214728A (en) * 2012-01-19 2013-07-24 中国科学院化学研究所 Bionic negative-Poisson's ratio material and preparation method thereof
CN103584931A (en) * 2013-10-23 2014-02-19 华南理工大学 Bionic gradient knee femoral prosthesis structure and a production method thereof
US20140058517A1 (en) * 2012-08-27 2014-02-27 Anthony Sabatino Auxetic prosthetic implant
CN203790083U (en) * 2013-12-27 2014-08-27 北京爱康宜诚医疗器材股份有限公司 Assembly type acetabulum prosthesis
CN104814811A (en) * 2015-05-21 2015-08-05 北京爱康宜诚医疗器材股份有限公司 Prosthesis part
CN204542473U (en) * 2015-03-24 2015-08-12 中国兵器科学研究院宁波分院 A kind of artificial spine intervertebral disk prosthesis
CN106175995A (en) * 2016-08-17 2016-12-07 优适医疗科技（苏州）有限公司 A kind of novel hip prosthesis
CN106457748A (en) * 2014-01-24 2017-02-22 墨尔本皇家理工大学 Structured porous metamaterial
CN106541568A (en) * 2016-10-31 2017-03-29 常州工学院 A kind of three-dimensional negative poisson's ratio periodic porous material and preparation method thereof
CN206295395U (en) * 2016-08-29 2017-07-04 中奥汇成科技股份有限公司 A kind of novel porous titanium artificial hip joint
CN106923938A (en) * 2015-12-29 2017-07-07 重庆润泽医药有限公司 A kind of bionical acetabular component
CN206372161U (en) * 2016-08-31 2017-08-04 刘融 A kind of biological combined artificial hip joint acetabular cup of 3D printing lightweight
CN206621458U (en) * 2016-10-28 2017-11-10 北京恒尚科技有限公司 A kind of acetabular cup prosthesis of porous surface
CN107349472A (en) * 2017-06-30 2017-11-17 浙江德康医疗器械有限公司 A kind of preparation method of the gradient porous titanium alloy of repetition of promotion bone fusion
CN108042243A (en) * 2018-01-17 2018-05-18 上海科太迈迪医疗器械有限公司 Integral acetabular component of cup lining and preparation method thereof
CN108096639A (en) * 2016-11-24 2018-06-01 重庆润泽医药有限公司 A kind of gradient porous material
CN108394135A (en) * 2018-02-09 2018-08-14 中山大学 A kind of porous material structure with three-dimensional negative poisson's ratio
CN207916770U (en) * 2018-01-24 2018-09-28 南京理工大学 Negative Poisson ratio structural component based on indent hexagonal cells

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035713A (en) * 1990-02-12 1991-07-30 Orthopaedic Research Institute, Inc. Surgical implants incorporating re-entrant material
CN2636841Y (en) * 2003-06-11 2004-09-01 北京蒙太因医疗器械有限公司 Spiral shaped metal acetabular bone prothesis
CN2659379Y (en) * 2003-11-24 2004-12-01 吴栋 Metal acetabular bone of artificial hip joint
CN200980743Y (en) * 2006-10-28 2007-11-28 保定康能生物医学工程有限公司 Surgical implant bipolar half-hip acetabulum
CN201631426U (en) * 2010-03-25 2010-11-17 北京天新福医疗器材有限公司 Biological type acetabular outer cup
CN103214728A (en) * 2012-01-19 2013-07-24 中国科学院化学研究所 Bionic negative-Poisson's ratio material and preparation method thereof
US20140058517A1 (en) * 2012-08-27 2014-02-27 Anthony Sabatino Auxetic prosthetic implant
CN103584931A (en) * 2013-10-23 2014-02-19 华南理工大学 Bionic gradient knee femoral prosthesis structure and a production method thereof
CN203790083U (en) * 2013-12-27 2014-08-27 北京爱康宜诚医疗器材股份有限公司 Assembly type acetabulum prosthesis
CN106457748A (en) * 2014-01-24 2017-02-22 墨尔本皇家理工大学 Structured porous metamaterial
CN204542473U (en) * 2015-03-24 2015-08-12 中国兵器科学研究院宁波分院 A kind of artificial spine intervertebral disk prosthesis
CN104814811A (en) * 2015-05-21 2015-08-05 北京爱康宜诚医疗器材股份有限公司 Prosthesis part
CN106923938A (en) * 2015-12-29 2017-07-07 重庆润泽医药有限公司 A kind of bionical acetabular component
CN106175995A (en) * 2016-08-17 2016-12-07 优适医疗科技（苏州）有限公司 A kind of novel hip prosthesis
CN206295395U (en) * 2016-08-29 2017-07-04 中奥汇成科技股份有限公司 A kind of novel porous titanium artificial hip joint
CN206372161U (en) * 2016-08-31 2017-08-04 刘融 A kind of biological combined artificial hip joint acetabular cup of 3D printing lightweight
CN206621458U (en) * 2016-10-28 2017-11-10 北京恒尚科技有限公司 A kind of acetabular cup prosthesis of porous surface
CN106541568A (en) * 2016-10-31 2017-03-29 常州工学院 A kind of three-dimensional negative poisson's ratio periodic porous material and preparation method thereof
CN108096639A (en) * 2016-11-24 2018-06-01 重庆润泽医药有限公司 A kind of gradient porous material
CN107349472A (en) * 2017-06-30 2017-11-17 浙江德康医疗器械有限公司 A kind of preparation method of the gradient porous titanium alloy of repetition of promotion bone fusion
CN108042243A (en) * 2018-01-17 2018-05-18 上海科太迈迪医疗器械有限公司 Integral acetabular component of cup lining and preparation method thereof
CN207916770U (en) * 2018-01-24 2018-09-28 南京理工大学 Negative Poisson ratio structural component based on indent hexagonal cells
CN108394135A (en) * 2018-02-09 2018-08-14 中山大学 A kind of porous material structure with three-dimensional negative poisson's ratio

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FANG XIE等: "Effect of Negative Poisson"s Ratios of Auxetic UHMWPE on the Contact Mechanics in Artificial Hip Joint Replacement", 《ADVANCED MATERIALS RESEARCH》 *
J.SCHWERDTFEGER等: "Design of Auxetic Structures via Mathematical Optimization", 《ASVANCED MATERIALS》 *
于靖军等: "负泊松比超材料研究进展", 《机械工程学报》 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109771103A (en) * 2019-03-05 2019-05-21 北京积水潭医院 A kind of collar plate shape bone trabecula metal acetabulum reconstruction prosthese
CN109893302A (en) * 2019-03-26 2019-06-18 北京航空航天大学 Meniscus implant with Negative poisson's ratio
CN109893304A (en) * 2019-04-16 2019-06-18 南京医科大学附属逸夫医院 A kind of 3D printing tissue engineering bracket of specific modality and structure
CN109893304B (en) * 2019-04-16 2021-03-23 南京医科大学附属逸夫医院 3D of specific form and structure prints tissue engineering support
CN110169846A (en) * 2019-05-21 2019-08-27 淮阴工学院 A kind of structure and its application method of stress-induced bone uptake implant
CN110169846B (en) * 2019-05-21 2021-08-31 淮阴工学院 Structure of stress-induced bone growth implant and using method thereof
CN111281616A (en) * 2020-03-11 2020-06-16 北京市春立正达医疗器械股份有限公司 Full-hip metal cup prosthesis and manufacturing method thereof
CN111281616B (en) * 2020-03-11 2023-08-04 北京市春立正达医疗器械股份有限公司 Total hip metal cup prosthesis and manufacturing method thereof
CN113262082A (en) * 2021-04-29 2021-08-17 四川大学 Implant prosthesis with negative Poisson ratio effect for bone repair

Similar Documents

Publication Publication Date Title
CN109172051A (en) Novel energy-absorbing damping acetabular cup
CN204581484U (en) A kind of 3D with three-dimensional through loose structure prints bone screw
CN104758042A (en) Bone screw of three-dimensional through porous structure
CN106175995B (en) A kind of novel hip prosthesis
WO2014040061A1 (en) Transcutaneous implant for skeletal attachment of external prosthetic devices
JPH01305944A (en) Internal prosthesis having bone absorption preventing means
CN109938888A (en) A kind of bion knee joint subregion bone trabecula tibial plateau
WO2020114252A1 (en) Toe joint prosthesis and manufacturing method therefor
US20150289978A1 (en) Percutaneous implant
JP2012532665A5 (en)
CN205359715U (en) Artifical hip joint handle that contains porous structure
CN210494324U (en) Biotype knee joint subregion bone trabecula tibial plateau
CN201529174U (en) Biological type composite femoral stem
CN203303197U (en) Hip-joint replacement
CN203244474U (en) Hip joint simple combined handle
CN206183437U (en) Novel hip joint prosthesis
CN113081402B (en) Femoral stem prosthesis
CN211131550U (en) Femoral implant
CN203315123U (en) Simple artificial hip joint femoral component prosthesis
CN208081343U (en) A kind of knee joint tibial component
Prochor et al. A comparative analysis of standardised threads for use in implants for direct skeletal attachment of limb prosthesis: a finite element analysis
CN209048363U (en) A kind of orthopaedics implant
Hedia et al. Shape optimization of metal backing for cemented acetabular cup
CN208274611U (en) Integrated porous titanium alloy fixed fae body
CN214049228U (en) 3D prints bone tissue engineering support

Legal Events

Date Code Title Description
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
RJ01 Rejection of invention patent application after publication

Application publication date: 20190111