WO2012108572A1 - Procédé de fabrication d'une tige et d'une râpe fémorales pour une articulation de hanche artificielle - Google Patents

Procédé de fabrication d'une tige et d'une râpe fémorales pour une articulation de hanche artificielle Download PDF

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Publication number
WO2012108572A1
WO2012108572A1 PCT/KR2011/000948 KR2011000948W WO2012108572A1 WO 2012108572 A1 WO2012108572 A1 WO 2012108572A1 KR 2011000948 W KR2011000948 W KR 2011000948W WO 2012108572 A1 WO2012108572 A1 WO 2012108572A1
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WO
WIPO (PCT)
Prior art keywords
rasp
design
femoral stem
head
hip joint
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PCT/KR2011/000948
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English (en)
Korean (ko)
Inventor
선두훈
김용식
김정성
신태진
서정우
Original Assignee
주식회사 코렌텍
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.)
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Application filed by 주식회사 코렌텍 filed Critical 주식회사 코렌텍
Priority to PCT/KR2011/000948 priority Critical patent/WO2012108572A1/fr
Publication of WO2012108572A1 publication Critical patent/WO2012108572A1/fr

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    • 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
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/1659—Surgical rasps, files, planes, or scrapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/568—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor produced with shape and dimensions specific for an individual patient
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
    • 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]

Definitions

  • the present invention relates to a method for manufacturing a hip joint femoral stem and a surgical instrument used therein. More specifically, the design of the artificial hip joint femoral stem and surgical instrument (rasp) is designed by modularizing the body part and the neck and the head part. The body part of the artificial hip joint rasp is manufactured in advance, and the neck and the head part are manufactured by rapid prototyping or general machining, so that the production period of the rasp.
  • the present invention relates to a method for manufacturing an artificial hip joint femoral stem and a surgical instrument, which can reduce the cost.
  • the hip joint is the joint between the femur and pelvis of the human body, and it is the joint that plays the most important role in sitting or standing, and can be damaged by various pathological causes and traumas. Artificial hip joint may be applied.
  • the hip joint is composed of the acetabular cup 300 is fixed to the acetabular pelvis 400 and the femoral stem 100 is fixed to the femur 200, as shown in Figure 1, femoral stem 100 and the acetabular cup 300 is made of, for example, a titanium alloy harmless to the human body.
  • the femoral head 500 formed of ceramic or metal material is fixed, and the corresponding hemisphere 600 is accommodated in the acetabular cup 300 to accommodate and rotate the femoral head 500.
  • the corresponding hemispheres 600 are made of ceramic material or polymer polyethylene.
  • the artificial hip joint configured as described above is configured to allow the femoral head 500 to rotate about the corresponding hemisphere 600 according to the movement of the femur 200 and the femoral stem 100.
  • Artificial hips can be broadly divided into pre-fabricated hips that are pre-fabricated according to certain specifications and custom-made hips that are manufactured to the individual characteristics of the patient for patients with femur shapes that are not suitable for the preformed hips.
  • the most important part required for the hip joint is the horizontal distance (D1, head offset length) from the center of the femoral head associated with the position of the femoral head to the vertical center axis (Y) of the femur as shown in FIG. It is necessary to accurately correct the head longitudinal offset length (D2) from the center of the femoral head associated with the leg length and to supply the product as quickly as possible.
  • the present invention has been made to solve the above problems,
  • An object of the present invention is to design the hip joint femoral stem and surgical instrument (rasp) by modular design of the body portion and neck and head portion by artificially femoral hip joint that can accurately correct the position of the leg length and femoral head of the patient It is to provide a method for manufacturing a stem and a surgical instrument (rasp).
  • Another object of the present invention is to fit the characteristics of the patient during the body design of the various types of hip joint femoral stem and rasp for pre-standardization in the design of the body portion of the hip joint and the rasp By using the method of selecting the body design to provide a method for manufacturing the artificial femoral stem and rasp for the rapid reduction of the design and manufacturing period.
  • Another object of the present invention is the artificial hip joint (rasp) can be manufactured by modularizing the product itself into the body portion and neck and head portion artificial hip joint that can reduce the production period and cost of the surgical instrument (rasp) It is to provide a femoral stem and surgical instrument (rasp) manufacturing method.
  • Still another object of the present invention is to prepare the body portion of the rasp for artificial hips in advance, the neck and the head portion by rapid prototyping or general machining method (rasp) It is to provide a method for manufacturing artificial hip joint femoral stem and rasp that can reduce the production period and cost of the).
  • Artificial hip joint femoral stem and surgical instrument manufacturing method for achieving the above object of the present invention includes the following configuration.
  • a method for manufacturing an artificial hip joint femoral stem includes a first step of extracting a design variable from femoral bone shape information of a patient; A second step of selecting a body design suitable for the characteristics of the patient from among the body designs of the femoral stem for various hip joints, which are standardized using the design variables extracted in the first step; And a third step of designing a neck and a head suitable for the body design selected in the second step by using the design variable extracted in the first step.
  • the design variable used in the second step is the width of the lumen of the patient's femur
  • the design variable used in the third step is the femur It is characterized in that the horizontal length from the center of the head to the vertical axis of the femur and the vertical length from the center of the femur head to the small electrons.
  • the body design of the artificial hip joint femoral stem selected in the second step and the artificial hip joint femur designed in the third step A fourth step of designing the femoral stem for an artificial hip by integrating the neck and the head of the artificial hip; And a sixth step of processing the artificial hip joint femoral stem designed in the fourth step.
  • a fifth step of evaluating the artificial hip joint designed in the fourth step in advance through finite element analysis is characterized in that it further comprises.
  • a method for manufacturing an artificial hip surgical instrument includes a first step of extracting a design variable from the femur shape information of the patient; A second step of selecting a body design suitable for a patient's characteristics among the body designs of the various types of hip arthroplasty rasps that are standardized using the design variables extracted in the first step; And a third step of designing a neck and a head suitable for the body design selected in the second step by using the design variable extracted in the first step.
  • the design variable used in the second step in the method of manufacturing artificial hip surgical rasp according to the present invention is the width of the lumen of the patient's femur, and the design used in the third step The variable is characterized by the horizontal length from the center of the femur head to the vertical axis of the femur and the vertical length from the center of the femur head to the small electrons.
  • the seventh step in the manufacturing method of the artificial hip surgical rasp according to the present invention pre-processed the body of the standardized various types of artificial hip surgical rasp
  • the eighth step is characterized by being able to shorten the manufacturing period of the rasp by processing the neck and the head by Rapid Prototyping or general machining.
  • the present invention can obtain the following effects by the configuration, combination, and use relationship described above with the present embodiment.
  • the present invention is designed by modularizing the design of the hip joint femoral stem and surgical instrument (rasp) into the body portion and neck and head portion, the artificial femoral stem for accurate correction of the position of the leg length and femoral head of the patient and Provides a method of making a rasp.
  • the present invention is to design the body design according to the characteristics of the patient during the body design of the various types of hip joint femoral stem and surgical instrument (rasp) of the pre-standardized in the design of the body portion of the hip joint and the surgical instrument (rasp)
  • the present invention provides a method for manufacturing an artificial hip femoral stem and a rasp that can shorten the design and manufacturing time.
  • the present invention is an artificial hip surgical instrument (rasp) is to be manufactured by modularizing the product itself into the body portion and neck and head portion, artificial femoral stem for artificial hip joint which can shorten the production period and cost of the surgical instrument (rasp) and Provides a method of making a rasp.
  • the body portion of the rasp for artificial hips is manufactured in advance, and the neck and the head are manufactured by rapid prototyping or general machining, thereby producing a rasp. And it provides a method of manufacturing artificial hip joint femoral stem and ras (rasp) that can reduce the cost.
  • Figure 1 is a schematic diagram showing a state in which the artificial hip joint
  • Figure 2 is a schematic diagram showing a state in which the artificial hip joint femoral stem and surgical instrument (rasp) is performed on the femur
  • Figure 3 is a block diagram showing the process of the femoral stem manufacturing method for artificial hip joint according to an embodiment of the present invention
  • Figure 4 is a block diagram showing the process of manufacturing method of femoral stem for artificial hip according to another embodiment of the present invention
  • FIG. 5 is a block diagram showing the process of a method for manufacturing a surgical instrument (rasp) for artificial hip joint according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram showing design variables extracted from femoral bone shape information of a patient
  • Figure 7 is a schematic diagram showing the process of designing the neck and head in the third step
  • FIG. 8 is a schematic diagram showing a process of designing a femoral stem in a fourth step
  • FIG. 9 is an isolated front view of the surgical instrument (rasp) for artificial hip joint according to an embodiment of the present invention
  • thigh stem 110 body 120: neck 130: head
  • femur 210 microcephaly 220: bone lumen
  • Figure 3 is a block diagram showing the process of manufacturing method of femoral stem for artificial hip joint according to an embodiment of the present invention
  • Figure 6 is a schematic diagram showing the design parameters extracted from the femur shape information of the patient
  • Figure 7 is a third step Is a schematic representation of the process of designing the neck and head.
  • a method for manufacturing a hip joint femoral stem includes a first step (S100) of extracting design parameters from femoral bone shape information of a patient; and the design parameters extracted in the first step.
  • the first step (S100) is to obtain the femur (200) shape information from the X-ray image information, etc. of the shape of the femur (200) of the patient in order to design the artificial hip femoral stem (100), and extracts the necessary design variables therefrom The process of doing.
  • the femoral 200 shape information of the patient may be obtained by using computer arithmetic processing and each image processing using the DICOM medical image information, which is an international medical imaging standard.
  • the necessary design variables are extracted from the obtained femoral 200 shape information.
  • the intraluminal lumen 220 of the patient femur 200 is largely extracted.
  • the width of the lumen 220 of the patient's femur 200 is specifically the width of the lumen in the upper 20 mm in the small electron 210 that can be obtained in the front shape of the femur 200 ( 1), width of bone lumen (2) at the small trochanter 210 in the vertical center axis (Y) of the femur (200), D3 at the small trochanter 210 (the proximal portion of the femoral stem at the small trochanter 210)
  • Width of bone lumen in the lower part (6) as much as (the length from the trochanter 210 to the proximal end 111 of the femoral stem), D4 in the trochanter 210 (the distal portion of the femoral stem in the trochanter 210) (113) the length to the end) means the width of the lumen (7) and the like in the lower portion. Extracting the necessary design variables from the femur 200 shape information is performed by a program, in which the pre-operation planning program may be used.
  • the second step (S200) is a body that fits the characteristics of the patient during the design of the body 110 of the femoral stem 100 for various types of hip joints, which is pre-standardized using the design variables extracted in the first step (S100). (110) means the process of selecting a design.
  • the core of the present invention is to design the modular body part 110 and the neck portion 120 and head 130 of the artificial femoral stem 100, respectively, the design of the dual body portion 110 is the patient Rather than designing the body portion 110 individually for each, as shown in Figure 11 based on the information about the existing hip joint body for the conventional hip joint, various types of pre-standardized hip joint femoral stem After preparing the design of the body 110 of the data 100, as shown in Figure 12, by inputting the design variables according to the shape of the femur of each patient, the design of the body 110 according to the characteristics of the patient of the most The method of selecting is used.
  • an auto-parametric design application of programming interface (API) or the like may be used, and the design variable used at this time may be a bone lumen of the patient's femur 200 among the design variables extracted in the first step S100.
  • API programming interface
  • a method of selecting the design of the body 110 according to the characteristics of the patient may also be utilized.
  • the third step (S300) uses the design variables extracted in the first step (S100) to the neck portion 120 and the head 130 suitable for the design of the body 110 selected in the second step (S200). The process of designing.
  • the present invention is to solve the problem that the correction of the position of the femoral ball head and the leg length of the patient according to the design of the body 110 and the neck 120 and the head 130 of the femoral stem 100 at a time is not accurate
  • the double neck 120 and the head 130 is designed based on the design of the body 110 selected in the second step (S200) as shown in FIG. Fit the body 110 to the femur of the patient first, and then input the design variables extracted in the first step (S100) based on this to design the neck (120) and head 130 according to the characteristics of the patient do.
  • an auto-parametric design application of programming interface (API) or the like may be used, and the design variable used at this time may be located at the center of the femoral head 500 among the design variables extracted in the first step S100.
  • the length means a head offset length and a head transverse offset length.
  • the design variables extracted in the first step S100 based on the design.
  • the neck 120 and the head 130 according to the characteristics of the patient, it is possible to quickly and accurately correct the position of the patient's femoral head and the patient's leg length by using It is possible to provide a femoral stem for the hip joint, which can reduce the cost and time loss and pain of the patient due to remanufacture or re-treatment.
  • Figure 4 is a block diagram showing the process of the method for manufacturing a hip joint femoral stem according to another embodiment of the present invention
  • Figure 8 is a schematic diagram showing a process of designing the femoral stem in the fourth step.
  • the artificial hip joint femoral stem manufacturing method is designed in the third step (S200) the body design of the hip joint femoral stem and the third step (S300)
  • the fourth step (S400) is the design of the body 110 of the hip joint femoral stem selected in the second step (S200) and the neck portion 120 of the femoral stem for artificial hips designed in the third step (S300) Means the process of designing the hip joint femoral stem 100 by integrating the head 130.
  • the design of the body 110 of the femoral stem for the hip joint selected in the second step (S200) on the design program and the neck portion 120 of the femoral stem for the hip joint designed in the third step (S300) Design variables extracted in the first step (S100) by constructing an automatic design system that can complete the overall design for the hip joint femoral stem 100 by a simple operation of combining the design and the head (130) By using only it is possible to quickly and accurately design the hip joint femoral stem to suit the individual patient's characteristics.
  • an auto-parametric design API Application of Programming Interface
  • the fifth step (S500) means a process of evaluating the artificial hip joint femoral stem 100 designed in the fourth step (S400) in advance through finite element analysis.
  • the hip joint femoral stem 100 designed in the fourth step (S400) has a range of motion (ROM, Range Of Motion) that does not interfere in daily life, and has strength to withstand the load of the patient.
  • ROM Range Of Motion
  • the product defect rate can be lowered to reduce the cost, time loss, and patient pain of remanufacturing or re-treatment.
  • COSMOS Works which is a general purpose finite element analysis program, can be used.
  • the sixth step S600 refers to a process of processing the artificial hip joint femoral stem 100 designed in the fourth step S400.
  • the cam (CAM) work to proceed to the free shape on the automated machine for processing based on the design of the artificial hip joint femur 100 designed in the fourth step (S400)
  • the femoral stem for artificial hip joint is processed using 5-axis M / CTR and CNC Lathe based on the CAM work.
  • the product is supplied through the ninth step S900 of post-treatment, and the dimensions of the processed product in the ninth step S900.
  • the design parameter extraction program for information on the shape of the femur according to the individual characteristics of the patient
  • the optimal femoral stem body design is selected according to the individual femoral characteristics of the patient among the various femoral stem body designs already stored in the database.
  • the neck and head of the femoral stem according to the individual characteristics of the patient are automatically designed, and the femoral stem body design and thigh Integrating the stem neck and head design to the patient's individual femur
  • the design of the hip joint femoral stem according to the characteristics is completed.
  • the motion range or strength of the femoral stem is evaluated in advance using a finite element analysis program, and then 5 axis M / CTR and CNC lathe are used.
  • the final product can be used.
  • FIG. 5 is a block diagram illustrating a process of a method for manufacturing an artificial hip surgical instrument (rasp) according to an embodiment of the present invention
  • FIG. 9 illustrates separation of an artificial hip surgical instrument (rasp) according to an embodiment of the present invention. Front view.
  • a method for manufacturing an artificial hip surgical instrument (rasp) includes a first step (S100) of extracting design parameters from femoral shape information of a patient; and extracting from the first step.
  • first step (S100), the second step (S200), and the third step (S300) are the same as those described in the method for manufacturing the femoral stem for artificial hip joint, duplicate description thereof will be omitted.
  • the seventh step (S700) and the eighth step (S800) will be mainly described.
  • the seventh step (S700) is to process the body 710 of the surgical instrument (rasp, 700) according to the design of the body 710 of the artificial surgical instrument (rasp, 700) selected in the second step (S200). The process of doing.
  • the product is manufactured to be modularized into the body 710 and the neck portion 720 and the head 730 to reduce the production period and cost required for the production of the surgical instrument (rasp, 700), of which
  • the seventh step (S700) is stainless steel to the body 710 of the surgical instrument (rasp, 700) according to the design of the body 710 of the artificial surgical instrument (rasp, 700) selected in the second step (S200) (stainles It can be processed by general machining method using s steel) material
  • the production period required for the production of the body 710 can be shortened, and recycling may be possible.
  • the eighth step (S800) is the neck portion of the surgical instrument (rasp, 700) according to the design of the neck 720 and the head 730 of the artificial surgical instrument (rasp, 700) designed in the third step (S300) 720 and the process of processing the head 730.
  • Rapid Prototyping is a processing technique that shortens the product development period and enables complex geometric shapes to be formed.
  • the rapid prototyping is used to process the neck portion 720 and the head 730 of the surgical instrument (rasp, 700). If only one day does not take the production period, and also can be manufactured in a separate equipment from the equipment for manufacturing the artificial hip femoral stem 100, it is possible to avoid the production interference between each other.
  • the body 710 and the neck portion 720 and the head 730 of the artificial hip surgical instrument (rasp, 700) After the body 710 and the neck portion 720 and the head 730 of the artificial hip surgical instrument (rasp, 700) by modularizing and processing, respectively, the body 710 as shown in FIG.
  • the product is supplied through a ninth step (S900) of post-treatment. Since the ninth step (S900) is the same as described above in the method for manufacturing the artificial femoral stem, the duplicate description thereof will be omitted.

Abstract

La présente invention concerne un procédé de fabrication d'une tige et d'une râpe fémorales pour une articulation artificielle de la hanche. Dans le procédé de fabrication de la tige et de la râpe fémorales pour une articulation de hanche artificielle, la tige et la râpe fémorales pour une articulation de hanche artificielle peuvent être conçues pour qu'une partie du corps, une partie du col, et une partie de la tête soient modularisées. Ainsi, la partie de corps de la râpe pour une articulation artificielle de la hanche est préfabriquée, puis, la partie de col et la partie de tête sont fabriquées en utilisant un procédé de prototypage rapide ou un procédé d'usinage général. Par conséquent, le temps et les coûts de fabrication de la râpe peuvent être réduits.
PCT/KR2011/000948 2011-02-11 2011-02-11 Procédé de fabrication d'une tige et d'une râpe fémorales pour une articulation de hanche artificielle WO2012108572A1 (fr)

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PCT/KR2011/000948 WO2012108572A1 (fr) 2011-02-11 2011-02-11 Procédé de fabrication d'une tige et d'une râpe fémorales pour une articulation de hanche artificielle

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PCT/KR2011/000948 WO2012108572A1 (fr) 2011-02-11 2011-02-11 Procédé de fabrication d'une tige et d'une râpe fémorales pour une articulation de hanche artificielle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110368151A (zh) * 2019-07-30 2019-10-25 广州华钛三维材料制造有限公司 一种髋关节骨水泥间置物的制备方法及其专用的折弯机

Citations (6)

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Publication number Priority date Publication date Assignee Title
US4658808A (en) * 1984-05-11 1987-04-21 Waldemar Link Gmbh & Co. Arrangement for preparing an anatomically measured endoprosthesis
US4704686A (en) * 1982-04-10 1987-11-03 Aldinger Guenther Method of manufacturing of individually formed prothesis or implant
US5150304A (en) * 1989-10-28 1992-09-22 Metalpraecis Berchem+Schaberg Gesellschaft Fur Metallformgebung Mbh Method of making an implantable joint prosthesis
US5360446A (en) * 1992-12-18 1994-11-01 Zimmer, Inc. Interactive prosthesis design system for implantable prosthesis
FR2729481A1 (fr) * 1995-01-12 1996-07-19 Landanger Landos Procede de generation d'instructions numeriques pour la commande de la realisation d'un implant femoral et implant femoral obtenu par ce procede
US20080234833A1 (en) * 2004-03-23 2008-09-25 B.I. Tec Ltd Method of Designing and Manufacturing Artificial Joint Stem with Use of Composite Material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704686A (en) * 1982-04-10 1987-11-03 Aldinger Guenther Method of manufacturing of individually formed prothesis or implant
US4658808A (en) * 1984-05-11 1987-04-21 Waldemar Link Gmbh & Co. Arrangement for preparing an anatomically measured endoprosthesis
US5150304A (en) * 1989-10-28 1992-09-22 Metalpraecis Berchem+Schaberg Gesellschaft Fur Metallformgebung Mbh Method of making an implantable joint prosthesis
US5360446A (en) * 1992-12-18 1994-11-01 Zimmer, Inc. Interactive prosthesis design system for implantable prosthesis
FR2729481A1 (fr) * 1995-01-12 1996-07-19 Landanger Landos Procede de generation d'instructions numeriques pour la commande de la realisation d'un implant femoral et implant femoral obtenu par ce procede
US20080234833A1 (en) * 2004-03-23 2008-09-25 B.I. Tec Ltd Method of Designing and Manufacturing Artificial Joint Stem with Use of Composite Material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110368151A (zh) * 2019-07-30 2019-10-25 广州华钛三维材料制造有限公司 一种髋关节骨水泥间置物的制备方法及其专用的折弯机

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