CN207837686U - A kind of holder - Google Patents

A kind of holder Download PDF

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Publication number
CN207837686U
CN207837686U CN201720219030.0U CN201720219030U CN207837686U CN 207837686 U CN207837686 U CN 207837686U CN 201720219030 U CN201720219030 U CN 201720219030U CN 207837686 U CN207837686 U CN 207837686U
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CN
China
Prior art keywords
rack body
holder
holder according
duct
utility
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.)
Active
Application number
CN201720219030.0U
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Chinese (zh)
Inventor
李波
张国伟
徐保东
赵国栋
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Beijing Shape Dream Information Technology Co Ltd
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Beijing Shape Dream Information Technology Co Ltd
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Filing date
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Publication of CN207837686U publication Critical patent/CN207837686U/en
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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
    • A61F2/28—Bones
    • 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
    • A61F2/2846—Support means for bone substitute or for bone graft implants, e.g. membranes or plates for covering bone defects
    • 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
    • A61F2/30721—Accessories
    • 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
    • A61F2002/2825—Femur
    • A61F2002/2828—Femoral head
    • 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
    • A61F2002/30108—Shapes
    • A61F2002/30199—Three-dimensional shapes
    • A61F2002/30224—Three-dimensional shapes cylindrical
    • 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
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • 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]
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys

Landscapes

  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Oral & Maxillofacial Surgery (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 utility model is related to medical instruments fields.The utility model proposes a kind of holders, including：Rack body (11) and duct (12), wherein duct (12) run through rack body (11).The holder of the utility model can joint vasotransplantation treat caput femoris necrosis, local biomechanical strength after focal cleaning can be repaired, local microcirculqtory system is rebuild, promote the Regeneration and Repair of bone tissue.

Description

A kind of holder
Technical field
The utility model is related to medical instruments.More particularly, to a kind of Medical rack.
Background technology
Caput femoris necrosis is also known as avascular necrosis of femoral head, is the common and refractory disease of field of orthopaedics.It is due to Femoral head local blood circulation caused by many reasons is bad, so as to cause the further ischemic of osteocyte, necrosis, bone trabecula fracture, stock A kind of lesion that bone collapses.If without effectively treating, collapse of femoral head can occur in 1-4 for about 80% patient, secondary Joint function disturbance, final patient have to receive artificial joint replacement, the high cost of prosthetic replacement to patient and Society brings huge financial burden, and since joint prosthesis has certain service life, after the joint replacement of middle-young patients The problem of often also facing joint mobilization, joint prosthesis revision procedure difficulty and risk are higher, and joint prosthesis is overhauled also will be into The financial burden of one step making patients and the quality of life for significantly reducing patient.It recent studies have shown that the incidence of caput femoris necrosis It is in raised trend, and its age of onset presentation rejuvenation trend year by year in recent years.Therefore early treatment caput femoris necrosis, with The therapy for retaining patient itself joint has been a concern.
Early stage removes lesion, the use of be implanted into material filling support defect area and promote osteanagenesis is current research and clinic One of hot spot for the treatment of.Stem-cell therapy, autologous bone/artificial bone filling treatment and tantalum are taken in the investigation of materials of the past Stick implanted treatment etc., however do not obtain satisfactory therapeutic effect.Because the Important cause of disease of caput femoris necrosis is its lesion Blood supply is impaired in region or interrupts, although there is these materials biomethanics to support or promote the performance of skeletonization, it can be difficult to weight It builds the microcirculqtory system of lesion region, therefore necessary nutrition and clear can not be provided for the stem cell of injection or the bone tissue of new life Except metabolic waste, to be unable to get ideal therapeutic effect.
Therefore effective therapy of femoral head osteonecrosis is needed while being solved the problems, such as three following：Bone after focal cleaning Biomethanics support, the reconstruction of local microcirculation system and the Regeneration and Repair for promoting bone tissue of defect area.
Utility model content
According to the problems of the prior art, the utility model proposes a kind of holders, and develop relative mating device Tool.
The holder of the utility model includes：Rack body and duct, wherein rack body is run through in duct.
Optionally, the quantity in duct is at least two, and duct is pierced by the bottom of rack body, at the top of rack body Or side is interconnected.
Optionally, the side of the top top of rack body has recess to form windowing, and duct connects in the recess It is logical.
Optionally, the lid for being useful for covering the windowing is matched in the windowing.
Optionally, with interval between duct.
Optionally, the bottom end of the tail portion of rack body or side have groove, shrinkage pool or bulge-structure.
Optionally, the tail portion periphery of rack body has threaded area, and groove, shrinkage pool or bulge-structure are located at the threaded area It is interior.
Optionally, rack body is porous structure.
Optionally, rack body is cylinder, and the top of rack body is arc.
Optionally, the column width of a diameter of 5-18mm of rack body, a diameter of 1-8mm in duct, rack body hole are 100- 1000um, aperture 100-3000um, and the porosity of rack body 11 is 40-90%.
Optionally, the material for preparing holder is titanium alloy, tantalum, titanium tantalum alloy, Nitinol, pure titanium, cobalt alloy, magnesium conjunction Gold, calcium phosphate, hydroxyapatite, polylactic acid, poly lactic coglycolic acid, poly- acetic acid lactones, coral or bioceramic.
Optionally, the rack body is cylinder.
The beneficial effects of the utility model are：It can joint vasotransplantation treat caput femoris necrosis, it is clear lesion can be repaired Except the biomechanical strength of rear part, local microcirculqtory system is rebuild, promotes the Regeneration and Repair of bone tissue.The arc of cradle top Shape is designed with to rebuild the biomechanical strength of part, and can avoid the card pressure of surrounding bone confrontation implantable intravascular.Cantilever tip Or the fenestration that the recess of top side is formed, contribute to vascular bundles to be satisfactorily implanted in the duct of porous support.
Description of the drawings
Fig. 1 is the stereogram of an embodiment of the holder of the utility model；
Fig. 2 is the stereogram of the another embodiment of the holder of the utility model；
Fig. 3 is the stereogram of the another embodiment of the holder of the utility model；
Fig. 4 is the stereogram of the tail portion of the another embodiment of the holder of the utility model；
Fig. 5 is the stereogram of the tail portion of the another embodiment of the holder of the utility model；
Fig. 6 is the sectional view of holder inner duct shown in Fig. 5；
Fig. 7 is the stereogram of the tail portion of the another embodiment of the holder of the utility model；
Fig. 8 is the stereogram of the tail portion of the another embodiment of the holder of the utility model；
Fig. 9 is the stereogram of the another embodiment of the holder of the utility model.
Reference numeral
1- holders；11- rack bodies；The ducts 12-；The threaded areas 13-；14- grooves；15- shrinkage pools；
16- bulge-structures；17- is covered.
Specific implementation mode
The embodiment of the utility model is described with reference to the accompanying drawings, wherein the identical reference numeral table of identical component Show.
Holder 1 is porous support, in the cavity formed after implantable avascular necrosis of femoral head core decompression focal cleaning, Play the role of biomethanics support and blood vessel and bone tissue is promoted to grow into.
Holder 1 can be prepared by 3D printing technique, can also be prepared certainly by non-3D printing technique (such as vapour deposition process or Sintering process etc.).Holder 1 described in the utility model is porous titanium alloy holder, and the material of certain holder is alternatively tantalum, titanium tantalum Alloy, Nitinol, pure titanium, cobalt alloy, magnesium alloy, calcium phosphate, hydroxyapatite, polylactic acid (PLA), lactic-co-glycolic acid The materials such as copolymer (PLGA), poly- acetic acid lactones (PCL), coral, bioceramic.Holder 1 can be processed into other as needed Meaning body.Holder 1 can by increasing material manufacturing (3D printing) or wait materials manufacture (powder metallurgy) technology be made.
In one embodiment, as shown in Figs. 1-2, holder 1 includes rack body 11 and duct 12.Rack body 11 is more Pore structure, it is illustrated that for cylinder, the top of a diameter of 5-18mm, rack body 11 is hemispherical or arc, preferably to maintain The mechanical support of cantilever tip acts on.Hemispheric radian can be adjusted as needed.
Optionally, the entire length of rack body 11 is 40-200mm, and the column width in the hole of rack body 11 is 100- 1000um (intermediate value 300um), aperture are 100-3000um (intermediate value 1000um), and the porosity of rack body 11 is 40- 90%.
Rack body 11 is run through in duct 12.Duct 12 is in the inside stringer of rack body 11, a diameter of 1- in duct 12 8mm。
Optionally, the quantity in duct 12 is two, and two ducts are pierced by the bottom of rack body 11, in rack body 11 Top be interconnected.The implantation of blood vessel can be achieved：By by blood vessel (such as big/small saphenous vein, neighbouring or other positions small Arteriovenous beam, artificial blood vessel or artificial blood vessel combine autologous vein etc.) it is implanted into two ducts being interconnected in holder It is interior, and coincide with blood supply system (such as revolving thigh lateral arteriovenous system) existing around hip joint, realize the vascularization of holder, To promote the angiogenic growth in holder and lesion region, realizes the reconstruction of lesion region microcirculqtory system, carried for freshman bone tissue For required stem cell, oxygen, nutriment, growth factor and the metabolic waste for removing part.1 implantable intravascular Shu Houke of holder It directly uses, growth factor (such as BMP-2/VEGF) or stem cell etc. can be also loaded inside porous structure to further add The ability of its strong promotion osteanagenesis.
Optionally, the top of rack body 11 has recess, forms windowing, two ducts 12 are connected to (such as in the recess Shown in Fig. 1).The windowing feeder vessels implantation and can avoid the card pressure of blood vessel.Windowing can be located at the top of rack body 11 Side or top, size, shape and the position of windowing can be adjusted as needed.In addition, the top of rack body 11 also may be used For the porous structure (without window) of all standing.
Optionally, as shown in figure 3, in one embodiment, windowing is located at the side at the top of rack body 11.It opens side The range of window can be floated up and down, in the inside of windowing, in rack body 11, between two ducts 12 can with or not With interval.
Optionally, as Figure 4-Figure 6, in one embodiment, the periphery design of the tail portion of rack body 11 has threaded area 13, the length of screw thread：4-50mm, the holder part inside threaded area can be porous structure or non-multi pore structure (as carried two blood The solid construction of tube passage).
In addition, the tail end bottom design fluted 14 of rack body 11, to be connect with aerial lug to realize holder Be screwed into.Groove 14 can also be located at the side of 11 tail portion of rack body.
Optionally, as shown in fig. 7, in one embodiment, the tail end bottom of rack body 11 is designed with shrinkage pool 15, so as to It is connect with aerial lug to realize being screwed into for holder.Shrinkage pool 15 can also be located at the side of 11 tail portion of rack body.
Optionally, as shown in figure 8, in one embodiment, the tail end bottom of rack body 11 is designed with bulge-structure 16, To be connect with aerial lug to realize being screwed into for holder.Bulge-structure 16 can also be located at the side of 11 tail portion of rack body Face.
Optionally, as shown in figure 9, in one embodiment, windowing shown in Fig. 3 can be given with lid.
Embodiment described above, only the utility model more preferably specific implementation mode, those skilled in the art The usual variations and alternatives carried out within the scope of technical solutions of the utility model should all be included in the scope of protection of the utility model It is interior.

Claims (10)

1. a kind of holder, which is characterized in that including：
Rack body (11) and multiple ducts (12), wherein multiple ducts (12) run through rack body (11), rack body (11) Top top side have recess with formed windowing, duct (12) are connected in the recess.
2. holder according to claim 1, which is characterized in that
The lid (17) for being useful for covering the windowing is matched in the windowing.
3. holder according to claim 1, which is characterized in that with interval between duct (12).
4. holder according to claim 1, which is characterized in that
The bottom end or side of the tail portion of rack body (11) have groove (14), shrinkage pool (15) or bulge-structure (16).
5. holder according to claim 4, which is characterized in that
The tail portion periphery of rack body (11) has threaded area (13), and groove (14), shrinkage pool (15) or bulge-structure (16) are located at In the threaded area (13).
6. holder according to claim 1, which is characterized in that
Rack body (11) is porous structure.
7. holder according to claim 1, which is characterized in that
Rack body (11) is cylinder, and the top of rack body (11) is arc.
8. holder according to claim 6, which is characterized in that
The column width of rack body (11) a diameter of 5-18mm, a diameter of 1-8mm of duct (12), rack body (11) hole is 100-1000um, aperture 100-3000um, and the porosity of rack body 11 is 40-90%.
9. holder according to claim 1, which is characterized in that
The material for preparing holder is titanium alloy, tantalum, titanium tantalum alloy, Nitinol, pure titanium, cobalt alloy, magnesium alloy, calcium phosphate, hydroxyl Base apatite, polylactic acid, poly lactic coglycolic acid, poly- acetic acid lactones, coral or bioceramic.
10. holder according to claim 1, which is characterized in that the rack body (11) is cylinder.
CN201720219030.0U 2017-01-23 2017-03-08 A kind of holder Active CN207837686U (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201720085298 2017-01-23
CN201720085298X 2017-01-23
CN201710049581 2017-01-23
CN2017100495811 2017-01-23

Publications (1)

Publication Number Publication Date
CN207837686U true CN207837686U (en) 2018-09-11

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CN201710134847.2A Active CN106798601B (en) 2017-01-23 2017-03-08 kinds of supports

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107661160A (en) * 2016-07-29 2018-02-06 北京形梦信息技术有限公司 A kind of bone repairing support and preparation method thereof
WO2018133868A1 (en) * 2017-01-23 2018-07-26 北京形梦信息技术有限公司 Stent
WO2019144302A1 (en) * 2018-01-24 2019-08-01 北京形梦信息技术有限公司 Stent
CN111407468B (en) * 2020-03-05 2022-02-22 西安交通大学医学院第二附属医院 High-density surface orthopedic metal implant
CN112791241A (en) * 2021-03-16 2021-05-14 苏州智骨医疗科技有限公司 3D printing composite bone restoration for treating femoral head necrosis and preparation method thereof

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Publication number Priority date Publication date Assignee Title
WO2007001624A2 (en) * 2005-06-28 2007-01-04 Microchips, Inc. Medical and dental implant devices for controlled drug delivery
CN200994837Y (en) * 2007-01-12 2007-12-26 张海宁 Medical implanter
CN102028566A (en) * 2010-12-06 2011-04-27 北京畅想天行医疗技术有限公司 Inner supporting frame for femoral head
AU2012236602B9 (en) * 2011-03-29 2017-04-13 Smith & Nephew, Inc. Fracture fixation systems having intramedullary support
CN103767807A (en) * 2014-01-10 2014-05-07 中国医学科学院整形外科医院 Novel vascularized tissue-engineered bone and construction method thereof
CN204379414U (en) * 2014-12-31 2015-06-10 中南大学湘雅医院 Elastic mesh nail for femoral head
CN104688390A (en) * 2015-03-17 2015-06-10 苏州瑞华医院有限公司 Net-shaped supporting device
CN105662649B (en) * 2016-03-05 2017-09-01 郭伟 A kind of stent for being easy to grafting branch

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CN106798601A (en) 2017-06-06
CN106798601B (en) 2020-01-31

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